Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r111-tall-177955700900111.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is DoubleExponent-PT-010, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r111-tall-177955700900111
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 556K
-rw-r--r-- 1 mcc users 6.3K Mar 6 16:57 CTLCardinality.txt
-rw-r--r-- 1 mcc users 67K Mar 6 16:57 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.4K Mar 6 16:57 CTLFireability.txt
-rw-r--r-- 1 mcc users 34K Mar 6 16:57 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.1K Mar 15 09:36 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 09:36 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 09:36 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K Mar 15 09:36 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 6 16:57 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 106K Mar 6 16:57 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.3K Mar 6 16:57 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 37K Mar 6 16:57 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 09:36 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:36 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 169K Mar 3 18:30 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of positive values
NUM_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME DoubleExponent-PT-010-UpperBounds-00
FORMULA_NAME DoubleExponent-PT-010-UpperBounds-01
FORMULA_NAME DoubleExponent-PT-010-UpperBounds-02
FORMULA_NAME DoubleExponent-PT-010-UpperBounds-03
FORMULA_NAME DoubleExponent-PT-010-UpperBounds-04
FORMULA_NAME DoubleExponent-PT-010-UpperBounds-05
FORMULA_NAME DoubleExponent-PT-010-UpperBounds-06
FORMULA_NAME DoubleExponent-PT-010-UpperBounds-07
FORMULA_NAME DoubleExponent-PT-010-UpperBounds-08
FORMULA_NAME DoubleExponent-PT-010-UpperBounds-09
FORMULA_NAME DoubleExponent-PT-010-UpperBounds-10
FORMULA_NAME DoubleExponent-PT-010-UpperBounds-11
FORMULA_NAME DoubleExponent-PT-010-UpperBounds-12
FORMULA_NAME DoubleExponent-PT-010-UpperBounds-13
FORMULA_NAME DoubleExponent-PT-010-UpperBounds-14
FORMULA_NAME DoubleExponent-PT-010-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779628850195

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DoubleExponent-PT-010
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-24 13:20:51] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-24 13:20:51] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 13:20:51] [INFO ] Load time of PNML (sax parser for PT used): 84 ms
[2026-05-24 13:20:51] [INFO ] Transformed 534 places.
[2026-05-24 13:20:51] [INFO ] Transformed 498 transitions.
[2026-05-24 13:20:51] [INFO ] Parsed PT model containing 534 places and 498 transitions and 1404 arcs in 169 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 6 ms.
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
// Phase 1: matrix 498 rows 534 cols
[2026-05-24 13:20:51] [INFO ] Computed 54 invariants in 99 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, +inf, 1, 1, 3, 1, 1, 1, 1, 1, 1, +inf, 1, 1, +inf, +inf]
RANDOM walk for 10000 steps (339 resets) in 24 ms. (400 steps per ms)
FORMULA DoubleExponent-PT-010-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleExponent-PT-010-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 140000 steps (3981 resets) in 225 ms. (619 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, +inf, 1, 1, 3, 1, 1, 1, 1, +inf, 1, 1, +inf, +inf]
[2026-05-24 13:20:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:20:52] [INFO ] [Real]Absence check using 3 positive place invariants in 18 ms returned sat
[2026-05-24 13:20:52] [INFO ] [Real]Absence check using 3 positive and 51 generalized place invariants in 20 ms returned sat
[2026-05-24 13:20:52] [INFO ] [Real]Absence check using state equation in 253 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:20:52] [INFO ] Deduced a trap composed of 101 places in 160 ms of which 17 ms to minimize.
[2026-05-24 13:20:52] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:20:53] [INFO ] [Nat]Absence check using 3 positive place invariants in 12 ms returned sat
[2026-05-24 13:20:53] [INFO ] [Nat]Absence check using 3 positive and 51 generalized place invariants in 16 ms returned sat
[2026-05-24 13:20:53] [INFO ] [Nat]Absence check using state equation in 225 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:20:53] [INFO ] Deduced a trap composed of 101 places in 99 ms of which 12 ms to minimize.
[2026-05-24 13:20:53] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 193 ms
[2026-05-24 13:20:53] [INFO ] Computed and/alt/rep : 497/963/497 causal constraints (skipped 0 transitions) in 31 ms.
[2026-05-24 13:20:57] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ... while checking expression at index 0
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1140)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:878)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:20:58] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2026-05-24 13:20:58] [INFO ] [Real]Absence check using 3 positive and 51 generalized place invariants in 18 ms returned sat
[2026-05-24 13:20:58] [INFO ] [Real]Absence check using state equation in 298 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:20:58] [INFO ] Deduced a trap composed of 79 places in 91 ms of which 14 ms to minimize.
[2026-05-24 13:20:58] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:20:58] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2026-05-24 13:20:58] [INFO ] [Nat]Absence check using 3 positive and 51 generalized place invariants in 14 ms returned sat
[2026-05-24 13:20:58] [INFO ] [Nat]Absence check using state equation in 274 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:20:59] [INFO ] Deduced a trap composed of 138 places in 228 ms of which 89 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:20:59] [INFO ] Deduced a trap composed of 113 places in 237 ms of which 67 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:20:59] [INFO ] Deduced a trap composed of 101 places in 205 ms of which 62 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:20:59] [INFO ] Deduced a trap composed of 91 places in 195 ms of which 58 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:00] [INFO ] Deduced a trap composed of 89 places in 179 ms of which 54 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:00] [INFO ] Deduced a trap composed of 97 places in 202 ms of which 56 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:00] [INFO ] Deduced a trap composed of 103 places in 106 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:00] [INFO ] Deduced a trap composed of 149 places in 100 ms of which 18 ms to minimize.
[2026-05-24 13:21:00] [INFO ] Trap strengthening (SAT) tested/added 9/8 trap constraints in 1695 ms
[2026-05-24 13:21:00] [INFO ] Computed and/alt/rep : 497/963/497 causal constraints (skipped 0 transitions) in 19 ms.
Maximisation of solution failed !
Minimization took 10 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:21:03] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2026-05-24 13:21:03] [INFO ] [Real]Absence check using 3 positive and 51 generalized place invariants in 16 ms returned sat
[2026-05-24 13:21:03] [INFO ] [Real]Absence check using state equation in 308 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:04] [INFO ] Deduced a trap composed of 41 places in 183 ms of which 28 ms to minimize.
[2026-05-24 13:21:04] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:21:04] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2026-05-24 13:21:04] [INFO ] [Nat]Absence check using 3 positive and 51 generalized place invariants in 15 ms returned sat
[2026-05-24 13:21:04] [INFO ] [Nat]Absence check using state equation in 311 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:04] [INFO ] Deduced a trap composed of 77 places in 202 ms of which 49 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:05] [INFO ] Deduced a trap composed of 79 places in 187 ms of which 49 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:05] [INFO ] Deduced a trap composed of 103 places in 193 ms of which 62 ms to minimize.
[2026-05-24 13:21:05] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 698 ms
[2026-05-24 13:21:05] [INFO ] Computed and/alt/rep : 497/963/497 causal constraints (skipped 0 transitions) in 24 ms.
[2026-05-24 13:21:09] [INFO ] Added : 380 causal constraints over 76 iterations in 3905 ms. Result :unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:21:09] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2026-05-24 13:21:09] [INFO ] [Real]Absence check using 3 positive and 51 generalized place invariants in 18 ms returned sat
[2026-05-24 13:21:09] [INFO ] [Real]Absence check using state equation in 249 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:09] [INFO ] Deduced a trap composed of 65 places in 177 ms of which 41 ms to minimize.
[2026-05-24 13:21:09] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:21:09] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2026-05-24 13:21:09] [INFO ] [Nat]Absence check using 3 positive and 51 generalized place invariants in 15 ms returned sat
[2026-05-24 13:21:10] [INFO ] [Nat]Absence check using state equation in 240 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:10] [INFO ] Deduced a trap composed of 65 places in 184 ms of which 42 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:10] [INFO ] Deduced a trap composed of 67 places in 183 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:10] [INFO ] Deduced a trap composed of 77 places in 176 ms of which 49 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:10] [INFO ] Deduced a trap composed of 115 places in 201 ms of which 73 ms to minimize.
[2026-05-24 13:21:11] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 871 ms
[2026-05-24 13:21:11] [INFO ] Computed and/alt/rep : 497/963/497 causal constraints (skipped 0 transitions) in 19 ms.
[2026-05-24 13:21:14] [INFO ] Added : 380 causal constraints over 76 iterations in 3818 ms. Result :unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:21:14] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2026-05-24 13:21:14] [INFO ] [Real]Absence check using 3 positive and 51 generalized place invariants in 11 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:21:14] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2026-05-24 13:21:14] [INFO ] [Real]Absence check using 3 positive and 51 generalized place invariants in 19 ms returned sat
[2026-05-24 13:21:15] [INFO ] [Real]Absence check using state equation in 227 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:15] [INFO ] Deduced a trap composed of 55 places in 112 ms of which 14 ms to minimize.
[2026-05-24 13:21:15] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:21:15] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2026-05-24 13:21:15] [INFO ] [Nat]Absence check using 3 positive and 51 generalized place invariants in 15 ms returned sat
[2026-05-24 13:21:15] [INFO ] [Nat]Absence check using state equation in 225 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:15] [INFO ] Deduced a trap composed of 55 places in 113 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:15] [INFO ] Deduced a trap composed of 121 places in 78 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:16] [INFO ] Deduced a trap composed of 126 places in 81 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:16] [INFO ] Deduced a trap composed of 113 places in 77 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:16] [INFO ] Deduced a trap composed of 115 places in 82 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:16] [INFO ] Deduced a trap composed of 103 places in 96 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:16] [INFO ] Deduced a trap composed of 101 places in 81 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:16] [INFO ] Deduced a trap composed of 77 places in 102 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:16] [INFO ] Deduced a trap composed of 79 places in 111 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:16] [INFO ] Deduced a trap composed of 65 places in 106 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:17] [INFO ] Deduced a trap composed of 67 places in 127 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:17] [INFO ] Deduced a trap composed of 53 places in 103 ms of which 12 ms to minimize.
[2026-05-24 13:21:17] [INFO ] Trap strengthening (SAT) tested/added 13/12 trap constraints in 1507 ms
[2026-05-24 13:21:17] [INFO ] Computed and/alt/rep : 497/963/497 causal constraints (skipped 0 transitions) in 25 ms.
[2026-05-24 13:21:20] [INFO ] Added : 325 causal constraints over 65 iterations in 3195 ms. Result :unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:21:20] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2026-05-24 13:21:20] [INFO ] [Real]Absence check using 3 positive and 51 generalized place invariants in 16 ms returned sat
[2026-05-24 13:21:20] [INFO ] [Real]Absence check using state equation in 382 ms returned sat
[2026-05-24 13:21:20] [INFO ] Computed and/alt/rep : 497/963/497 causal constraints (skipped 0 transitions) in 23 ms.
[2026-05-24 13:21:21] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:21:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2026-05-24 13:21:21] [INFO ] [Nat]Absence check using 3 positive and 51 generalized place invariants in 15 ms returned sat
[2026-05-24 13:21:21] [INFO ] [Nat]Absence check using state equation in 390 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:21] [INFO ] Deduced a trap composed of 65 places in 117 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:21] [INFO ] Deduced a trap composed of 67 places in 118 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:21] [INFO ] Deduced a trap composed of 55 places in 125 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:22] [INFO ] Deduced a trap composed of 53 places in 115 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:22] [INFO ] Deduced a trap composed of 77 places in 112 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:22] [INFO ] Deduced a trap composed of 89 places in 103 ms of which 12 ms to minimize.
[2026-05-24 13:21:22] [INFO ] Trap strengthening (SAT) tested/added 7/6 trap constraints in 856 ms
[2026-05-24 13:21:22] [INFO ] Computed and/alt/rep : 497/963/497 causal constraints (skipped 0 transitions) in 23 ms.
[2026-05-24 13:21:26] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ... while checking expression at index 6
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1140)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:878)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:21:26] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2026-05-24 13:21:26] [INFO ] [Real]Absence check using 3 positive and 51 generalized place invariants in 17 ms returned sat
[2026-05-24 13:21:26] [INFO ] [Real]Absence check using state equation in 371 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:26] [INFO ] Deduced a trap composed of 67 places in 178 ms of which 44 ms to minimize.
[2026-05-24 13:21:26] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:21:26] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2026-05-24 13:21:26] [INFO ] [Nat]Absence check using 3 positive and 51 generalized place invariants in 16 ms returned sat
[2026-05-24 13:21:27] [INFO ] [Nat]Absence check using state equation in 290 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:27] [INFO ] Deduced a trap composed of 77 places in 186 ms of which 46 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:27] [INFO ] Deduced a trap composed of 65 places in 107 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:27] [INFO ] Deduced a trap composed of 67 places in 121 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:27] [INFO ] Deduced a trap composed of 53 places in 115 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:27] [INFO ] Deduced a trap composed of 55 places in 122 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:28] [INFO ] Deduced a trap composed of 41 places in 115 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:28] [INFO ] Deduced a trap composed of 43 places in 132 ms of which 14 ms to minimize.
[2026-05-24 13:21:28] [INFO ] Trap strengthening (SAT) tested/added 8/7 trap constraints in 1083 ms
[2026-05-24 13:21:28] [INFO ] Computed and/alt/rep : 497/963/497 causal constraints (skipped 0 transitions) in 23 ms.
[2026-05-24 13:21:31] [INFO ] Added : 260 causal constraints over 52 iterations in 3546 ms. Result :unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:21:31] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2026-05-24 13:21:31] [INFO ] [Real]Absence check using 3 positive and 51 generalized place invariants in 15 ms returned sat
[2026-05-24 13:21:32] [INFO ] [Real]Absence check using state equation in 301 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:32] [INFO ] Deduced a trap composed of 71 places in 181 ms of which 46 ms to minimize.
[2026-05-24 13:21:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:21:32] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2026-05-24 13:21:32] [INFO ] [Nat]Absence check using 3 positive and 51 generalized place invariants in 16 ms returned sat
[2026-05-24 13:21:32] [INFO ] [Nat]Absence check using state equation in 200 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:32] [INFO ] Deduced a trap composed of 71 places in 181 ms of which 46 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:33] [INFO ] Deduced a trap composed of 65 places in 173 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:33] [INFO ] Deduced a trap composed of 53 places in 168 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:33] [INFO ] Deduced a trap composed of 41 places in 159 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:33] [INFO ] Deduced a trap composed of 72 places in 179 ms of which 45 ms to minimize.
[2026-05-24 13:21:33] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 1019 ms
[2026-05-24 13:21:33] [INFO ] Computed and/alt/rep : 497/963/497 causal constraints (skipped 0 transitions) in 22 ms.
[2026-05-24 13:21:37] [INFO ] Added : 340 causal constraints over 68 iterations in 3702 ms. Result :unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:21:37] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2026-05-24 13:21:37] [INFO ] [Real]Absence check using 3 positive and 51 generalized place invariants in 15 ms returned sat
[2026-05-24 13:21:37] [INFO ] [Real]Absence check using state equation in 172 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:37] [INFO ] Deduced a trap composed of 18 places in 133 ms of which 13 ms to minimize.
[2026-05-24 13:21:37] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:21:37] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2026-05-24 13:21:37] [INFO ] [Nat]Absence check using 3 positive and 51 generalized place invariants in 15 ms returned sat
[2026-05-24 13:21:38] [INFO ] [Nat]Absence check using state equation in 176 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:38] [INFO ] Deduced a trap composed of 18 places in 141 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:38] [INFO ] Deduced a trap composed of 41 places in 129 ms of which 11 ms to minimize.
[2026-05-24 13:21:38] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 334 ms
[2026-05-24 13:21:38] [INFO ] Computed and/alt/rep : 497/963/497 causal constraints (skipped 0 transitions) in 33 ms.
[2026-05-24 13:21:40] [INFO ] Added : 182 causal constraints over 37 iterations in 1859 ms. Result :sat
Minimization took 669 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:21:41] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2026-05-24 13:21:41] [INFO ] [Real]Absence check using 3 positive and 51 generalized place invariants in 21 ms returned sat
[2026-05-24 13:21:41] [INFO ] [Real]Absence check using state equation in 278 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:41] [INFO ] Deduced a trap composed of 73 places in 123 ms of which 14 ms to minimize.
[2026-05-24 13:21:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:21:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2026-05-24 13:21:41] [INFO ] [Nat]Absence check using 3 positive and 51 generalized place invariants in 15 ms returned sat
[2026-05-24 13:21:41] [INFO ] [Nat]Absence check using state equation in 272 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:42] [INFO ] Deduced a trap composed of 73 places in 117 ms of which 14 ms to minimize.
[2026-05-24 13:21:42] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 174 ms
[2026-05-24 13:21:42] [INFO ] Computed and/alt/rep : 497/963/497 causal constraints (skipped 0 transitions) in 27 ms.
Maximisation of solution failed !
Minimization took 0 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:21:46] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2026-05-24 13:21:46] [INFO ] [Real]Absence check using 3 positive and 51 generalized place invariants in 17 ms returned sat
[2026-05-24 13:21:46] [INFO ] [Real]Absence check using state equation in 269 ms returned sat
[2026-05-24 13:21:47] [INFO ] Computed and/alt/rep : 497/963/497 causal constraints (skipped 0 transitions) in 24 ms.
[2026-05-24 13:21:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:21:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2026-05-24 13:21:47] [INFO ] [Nat]Absence check using 3 positive and 51 generalized place invariants in 15 ms returned sat
[2026-05-24 13:21:47] [INFO ] [Nat]Absence check using state equation in 259 ms returned sat
[2026-05-24 13:21:47] [INFO ] Computed and/alt/rep : 497/963/497 causal constraints (skipped 0 transitions) in 24 ms.
Maximisation of solution failed !
Minimization took 0 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:21:52] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2026-05-24 13:21:52] [INFO ] [Real]Absence check using 3 positive and 51 generalized place invariants in 15 ms returned sat
[2026-05-24 13:21:52] [INFO ] [Real]Absence check using state equation in 278 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:52] [INFO ] Deduced a trap composed of 89 places in 103 ms of which 17 ms to minimize.
[2026-05-24 13:21:52] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:21:52] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2026-05-24 13:21:52] [INFO ] [Nat]Absence check using 3 positive and 51 generalized place invariants in 26 ms returned sat
[2026-05-24 13:21:53] [INFO ] [Nat]Absence check using state equation in 294 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:53] [INFO ] Deduced a trap composed of 85 places in 191 ms of which 53 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:53] [INFO ] Deduced a trap composed of 89 places in 104 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:53] [INFO ] Deduced a trap composed of 77 places in 183 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:53] [INFO ] Deduced a trap composed of 133 places in 91 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:53] [INFO ] Deduced a trap composed of 79 places in 85 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:53] [INFO ] Deduced a trap composed of 65 places in 87 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:54] [INFO ] Deduced a trap composed of 53 places in 83 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:54] [INFO ] Deduced a trap composed of 55 places in 91 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:54] [INFO ] Deduced a trap composed of 67 places in 98 ms of which 12 ms to minimize.
[2026-05-24 13:21:54] [INFO ] Trap strengthening (SAT) tested/added 10/9 trap constraints in 1290 ms
[2026-05-24 13:21:54] [INFO ] Computed and/alt/rep : 497/963/497 causal constraints (skipped 0 transitions) in 24 ms.
[2026-05-24 13:21:57] [INFO ] Added : 305 causal constraints over 61 iterations in 3334 ms. Result :unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:21:57] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2026-05-24 13:21:57] [INFO ] [Real]Absence check using 3 positive and 51 generalized place invariants in 15 ms returned sat
[2026-05-24 13:21:58] [INFO ] [Real]Absence check using state equation in 306 ms returned sat
[2026-05-24 13:21:58] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:21:58] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2026-05-24 13:21:58] [INFO ] [Nat]Absence check using 3 positive and 51 generalized place invariants in 15 ms returned sat
[2026-05-24 13:21:58] [INFO ] [Nat]Absence check using state equation in 315 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:58] [INFO ] Deduced a trap composed of 29 places in 145 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:21:58] [INFO ] Deduced a trap composed of 173 places in 202 ms of which 71 ms to minimize.
[2026-05-24 13:21:58] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 412 ms
[2026-05-24 13:21:58] [INFO ] Computed and/alt/rep : 497/963/497 causal constraints (skipped 0 transitions) in 23 ms.
[2026-05-24 13:22:02] [INFO ] Added : 190 causal constraints over 38 iterations in 3646 ms. Result :sat
Minimization took 547 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, +inf, 1, 1, 1, 1, 1, 1, 1, +inf, 1, 1, +inf, +inf]
FORMULA DoubleExponent-PT-010-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, +inf, 1, 1, 1, 1, 1, 1, +inf, 1, 1, +inf, +inf]
Support contains 13 out of 534 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 534/534 places, 498/498 transitions.
Graph (complete) has 906 edges and 534 vertex of which 528 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.1 ms
Discarding 6 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 107 transitions
Trivial Post-agglo rules discarded 107 transitions
Performed 107 trivial Post agglomeration. Transition count delta: 107
Iterating post reduction 0 with 110 rules applied. Total rules applied 111 place count 527 transition count 389
Reduce places removed 107 places and 0 transitions.
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Iterating post reduction 1 with 112 rules applied. Total rules applied 223 place count 420 transition count 384
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 2 with 5 rules applied. Total rules applied 228 place count 415 transition count 384
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 21 Pre rules applied. Total rules applied 228 place count 415 transition count 363
Deduced a syphon composed of 21 places in 2 ms
Reduce places removed 21 places and 0 transitions.
Iterating global reduction 3 with 42 rules applied. Total rules applied 270 place count 394 transition count 363
Performed 89 Post agglomeration using F-continuation condition.Transition count delta: 89
Deduced a syphon composed of 89 places in 3 ms
Reduce places removed 89 places and 0 transitions.
Iterating global reduction 3 with 178 rules applied. Total rules applied 448 place count 305 transition count 274
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 16 places in 3 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 3 with 32 rules applied. Total rules applied 480 place count 289 transition count 274
Free-agglomeration rule (complex) applied 38 times.
Iterating global reduction 3 with 38 rules applied. Total rules applied 518 place count 289 transition count 236
Reduce places removed 38 places and 0 transitions.
Iterating post reduction 3 with 38 rules applied. Total rules applied 556 place count 251 transition count 236
Partial Free-agglomeration rule applied 38 times.
Drop transitions (Partial Free agglomeration) removed 38 transitions
Iterating global reduction 4 with 38 rules applied. Total rules applied 594 place count 251 transition count 236
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 595 place count 250 transition count 235
Applied a total of 595 rules in 155 ms. Remains 250 /534 variables (removed 284) and now considering 235/498 (removed 263) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 163 ms. Remains : 250/534 places, 235/498 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {32=1, 54=1, 58=1, 61=2, 62=2, 86=1, 89=1, 127=1, 143=2, 151=1, 211=1, 225=1, 228=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {32=1, 54=1, 58=1, 86=1, 89=1, 127=1, 151=1, 211=1, 228=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 1257 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 13) seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, +inf, 1, 1, 1, 1, 1, 1, +inf, 1, 1, +inf, +inf]
// Phase 1: matrix 235 rows 250 cols
[2026-05-24 13:23:24] [INFO ] Computed 50 invariants in 20 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 44, 1, 1, 1, 1, 1, 1, +inf, 1, 1, 29, +inf]
RANDOM walk for 1000000 steps (128144 resets) in 1014 ms. (985 steps per ms)
BEST_FIRST walk for 13000005 steps (1100538 resets) in 8008 ms. (1623 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 44, 1, 1, 1, 1, 1, 1, +inf, 1, 1, 29, +inf]
[2026-05-24 13:23:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:23:33] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2026-05-24 13:23:33] [INFO ] [Real]Absence check using 3 positive and 47 generalized place invariants in 11 ms returned sat
[2026-05-24 13:23:33] [INFO ] [Real]Absence check using state equation in 87 ms returned sat
[2026-05-24 13:23:33] [INFO ] State equation strengthened by 32 read => feed constraints.
[2026-05-24 13:23:33] [INFO ] [Real]Added 32 Read/Feed constraints in 113 ms returned sat
[2026-05-24 13:23:33] [INFO ] Computed and/alt/rep : 198/1041/198 causal constraints (skipped 36 transitions) in 13 ms.
[2026-05-24 13:23:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:23:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2026-05-24 13:23:33] [INFO ] [Nat]Absence check using 3 positive and 47 generalized place invariants in 10 ms returned sat
[2026-05-24 13:23:33] [INFO ] [Nat]Absence check using state equation in 91 ms returned sat
[2026-05-24 13:23:34] [INFO ] [Nat]Added 32 Read/Feed constraints in 176 ms returned sat
[2026-05-24 13:23:34] [INFO ] Computed and/alt/rep : 198/1041/198 causal constraints (skipped 36 transitions) in 12 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:23:35] [INFO ] Deduced a trap composed of 15 places in 64 ms of which 7 ms to minimize.
[2026-05-24 13:23:35] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 130 ms
[2026-05-24 13:23:35] [INFO ] Added : 112 causal constraints over 24 iterations in 1424 ms. Result :sat
Minimization took 343 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:23:35] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-24 13:23:35] [INFO ] [Real]Absence check using 3 positive and 47 generalized place invariants in 10 ms returned sat
[2026-05-24 13:23:36] [INFO ] [Real]Absence check using state equation in 101 ms returned sat
[2026-05-24 13:23:36] [INFO ] [Real]Added 32 Read/Feed constraints in 93 ms returned sat
[2026-05-24 13:23:36] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:23:36] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-24 13:23:36] [INFO ] [Nat]Absence check using 3 positive and 47 generalized place invariants in 10 ms returned sat
[2026-05-24 13:23:36] [INFO ] [Nat]Absence check using state equation in 100 ms returned sat
[2026-05-24 13:23:36] [INFO ] [Nat]Added 32 Read/Feed constraints in 143 ms returned sat
[2026-05-24 13:23:36] [INFO ] Computed and/alt/rep : 198/1041/198 causal constraints (skipped 36 transitions) in 11 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:23:38] [INFO ] Deduced a trap composed of 8 places in 95 ms of which 8 ms to minimize.
[2026-05-24 13:23:38] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 139 ms
[2026-05-24 13:23:38] [INFO ] Added : 133 causal constraints over 27 iterations in 1613 ms. Result :sat
Minimization took 398 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:23:38] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-24 13:23:38] [INFO ] [Real]Absence check using 3 positive and 47 generalized place invariants in 11 ms returned sat
[2026-05-24 13:23:38] [INFO ] [Real]Absence check using state equation in 120 ms returned sat
[2026-05-24 13:23:38] [INFO ] [Real]Added 32 Read/Feed constraints in 110 ms returned sat
[2026-05-24 13:23:38] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:23:38] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2026-05-24 13:23:38] [INFO ] [Nat]Absence check using 3 positive and 47 generalized place invariants in 10 ms returned sat
[2026-05-24 13:23:39] [INFO ] [Nat]Absence check using state equation in 128 ms returned sat
[2026-05-24 13:23:39] [INFO ] [Nat]Added 32 Read/Feed constraints in 191 ms returned sat
[2026-05-24 13:23:39] [INFO ] Computed and/alt/rep : 198/1041/198 causal constraints (skipped 36 transitions) in 10 ms.
[2026-05-24 13:23:40] [INFO ] Added : 107 causal constraints over 22 iterations in 1334 ms. Result :sat
Minimization took 272 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:23:40] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2026-05-24 13:23:40] [INFO ] [Real]Absence check using 3 positive and 47 generalized place invariants in 12 ms returned sat
[2026-05-24 13:23:40] [INFO ] [Real]Absence check using state equation in 80 ms returned sat
[2026-05-24 13:23:41] [INFO ] [Real]Added 32 Read/Feed constraints in 97 ms returned sat
[2026-05-24 13:23:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:23:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2026-05-24 13:23:41] [INFO ] [Nat]Absence check using 3 positive and 47 generalized place invariants in 13 ms returned sat
[2026-05-24 13:23:41] [INFO ] [Nat]Absence check using state equation in 75 ms returned sat
[2026-05-24 13:23:41] [INFO ] [Nat]Added 32 Read/Feed constraints in 147 ms returned sat
[2026-05-24 13:23:41] [INFO ] Computed and/alt/rep : 198/1041/198 causal constraints (skipped 36 transitions) in 10 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:23:42] [INFO ] Deduced a trap composed of 10 places in 67 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:23:42] [INFO ] Deduced a trap composed of 11 places in 66 ms of which 6 ms to minimize.
[2026-05-24 13:23:42] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 194 ms
[2026-05-24 13:23:42] [INFO ] Added : 133 causal constraints over 27 iterations in 1215 ms. Result :sat
Minimization took 446 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:23:43] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2026-05-24 13:23:43] [INFO ] [Real]Absence check using 3 positive and 47 generalized place invariants in 10 ms returned sat
[2026-05-24 13:23:43] [INFO ] [Real]Absence check using state equation in 110 ms returned sat
[2026-05-24 13:23:43] [INFO ] [Real]Added 32 Read/Feed constraints in 132 ms returned sat
[2026-05-24 13:23:43] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:23:43] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2026-05-24 13:23:43] [INFO ] [Nat]Absence check using 3 positive and 47 generalized place invariants in 18 ms returned sat
[2026-05-24 13:23:43] [INFO ] [Nat]Absence check using state equation in 102 ms returned sat
[2026-05-24 13:23:43] [INFO ] [Nat]Added 32 Read/Feed constraints in 215 ms returned sat
[2026-05-24 13:23:43] [INFO ] Computed and/alt/rep : 198/1041/198 causal constraints (skipped 36 transitions) in 13 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:23:45] [INFO ] Deduced a trap composed of 4 places in 82 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:23:45] [INFO ] Deduced a trap composed of 6 places in 96 ms of which 6 ms to minimize.
[2026-05-24 13:23:45] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 244 ms
[2026-05-24 13:23:45] [INFO ] Added : 169 causal constraints over 35 iterations in 1957 ms. Result :sat
Minimization took 374 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:23:46] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-24 13:23:46] [INFO ] [Real]Absence check using 3 positive and 47 generalized place invariants in 10 ms returned sat
[2026-05-24 13:23:46] [INFO ] [Real]Absence check using state equation in 82 ms returned sat
[2026-05-24 13:23:46] [INFO ] [Real]Added 32 Read/Feed constraints in 132 ms returned sat
[2026-05-24 13:23:46] [INFO ] Computed and/alt/rep : 198/1041/198 causal constraints (skipped 36 transitions) in 12 ms.
[2026-05-24 13:23:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:23:46] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-24 13:23:46] [INFO ] [Nat]Absence check using 3 positive and 47 generalized place invariants in 9 ms returned sat
[2026-05-24 13:23:46] [INFO ] [Nat]Absence check using state equation in 88 ms returned sat
[2026-05-24 13:23:46] [INFO ] [Nat]Added 32 Read/Feed constraints in 253 ms returned sat
[2026-05-24 13:23:46] [INFO ] Computed and/alt/rep : 198/1041/198 causal constraints (skipped 36 transitions) in 10 ms.
[2026-05-24 13:23:48] [INFO ] Added : 133 causal constraints over 27 iterations in 1431 ms. Result :sat
Minimization took 385 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:23:48] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-24 13:23:48] [INFO ] [Real]Absence check using 3 positive and 47 generalized place invariants in 10 ms returned sat
[2026-05-24 13:23:48] [INFO ] [Real]Absence check using state equation in 80 ms returned sat
[2026-05-24 13:23:48] [INFO ] [Real]Added 32 Read/Feed constraints in 83 ms returned sat
[2026-05-24 13:23:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:23:49] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-24 13:23:49] [INFO ] [Nat]Absence check using 3 positive and 47 generalized place invariants in 11 ms returned sat
[2026-05-24 13:23:49] [INFO ] [Nat]Absence check using state equation in 83 ms returned sat
[2026-05-24 13:23:49] [INFO ] [Nat]Added 32 Read/Feed constraints in 101 ms returned sat
[2026-05-24 13:23:49] [INFO ] Computed and/alt/rep : 198/1041/198 causal constraints (skipped 36 transitions) in 16 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:23:50] [INFO ] Deduced a trap composed of 14 places in 75 ms of which 7 ms to minimize.
[2026-05-24 13:23:50] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 113 ms
[2026-05-24 13:23:50] [INFO ] Added : 90 causal constraints over 18 iterations in 836 ms. Result :sat
Minimization took 352 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:23:50] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2026-05-24 13:23:50] [INFO ] [Real]Absence check using 3 positive and 47 generalized place invariants in 11 ms returned sat
[2026-05-24 13:23:50] [INFO ] [Real]Absence check using state equation in 103 ms returned sat
[2026-05-24 13:23:50] [INFO ] [Real]Added 32 Read/Feed constraints in 62 ms returned sat
[2026-05-24 13:23:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:23:50] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2026-05-24 13:23:50] [INFO ] [Nat]Absence check using 3 positive and 47 generalized place invariants in 11 ms returned sat
[2026-05-24 13:23:50] [INFO ] [Nat]Absence check using state equation in 81 ms returned sat
[2026-05-24 13:23:50] [INFO ] [Nat]Added 32 Read/Feed constraints in 90 ms returned sat
[2026-05-24 13:23:50] [INFO ] Computed and/alt/rep : 198/1041/198 causal constraints (skipped 36 transitions) in 10 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:23:51] [INFO ] Deduced a trap composed of 8 places in 84 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:23:51] [INFO ] Deduced a trap composed of 15 places in 73 ms of which 5 ms to minimize.
[2026-05-24 13:23:51] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 223 ms
[2026-05-24 13:23:51] [INFO ] Added : 76 causal constraints over 16 iterations in 821 ms. Result :sat
Minimization took 272 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:23:52] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2026-05-24 13:23:52] [INFO ] [Real]Absence check using 3 positive and 47 generalized place invariants in 10 ms returned sat
[2026-05-24 13:23:52] [INFO ] [Real]Absence check using state equation in 72 ms returned sat
[2026-05-24 13:23:52] [INFO ] [Real]Added 32 Read/Feed constraints in 105 ms returned sat
[2026-05-24 13:23:52] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:23:52] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-24 13:23:52] [INFO ] [Nat]Absence check using 3 positive and 47 generalized place invariants in 11 ms returned sat
[2026-05-24 13:23:52] [INFO ] [Nat]Absence check using state equation in 69 ms returned sat
[2026-05-24 13:23:52] [INFO ] [Nat]Added 32 Read/Feed constraints in 86 ms returned sat
[2026-05-24 13:23:52] [INFO ] Computed and/alt/rep : 198/1041/198 causal constraints (skipped 36 transitions) in 11 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:23:52] [INFO ] Deduced a trap composed of 8 places in 93 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:23:53] [INFO ] Deduced a trap composed of 8 places in 112 ms of which 6 ms to minimize.
[2026-05-24 13:23:53] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 261 ms
[2026-05-24 13:23:53] [INFO ] Added : 37 causal constraints over 8 iterations in 520 ms. Result :sat
Minimization took 219 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:23:53] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2026-05-24 13:23:53] [INFO ] [Real]Absence check using 3 positive and 47 generalized place invariants in 10 ms returned sat
[2026-05-24 13:23:53] [INFO ] [Real]Absence check using state equation in 86 ms returned sat
[2026-05-24 13:23:53] [INFO ] [Real]Added 32 Read/Feed constraints in 50 ms returned sat
[2026-05-24 13:23:53] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:23:53] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2026-05-24 13:23:53] [INFO ] [Nat]Absence check using 3 positive and 47 generalized place invariants in 10 ms returned sat
[2026-05-24 13:23:53] [INFO ] [Nat]Absence check using state equation in 87 ms returned sat
[2026-05-24 13:23:53] [INFO ] [Nat]Added 32 Read/Feed constraints in 107 ms returned sat
[2026-05-24 13:23:53] [INFO ] Computed and/alt/rep : 198/1041/198 causal constraints (skipped 36 transitions) in 11 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:23:54] [INFO ] Deduced a trap composed of 8 places in 81 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:23:54] [INFO ] Deduced a trap composed of 14 places in 75 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:23:54] [INFO ] Deduced a trap composed of 15 places in 79 ms of which 8 ms to minimize.
[2026-05-24 13:23:54] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 333 ms
[2026-05-24 13:23:54] [INFO ] Added : 90 causal constraints over 19 iterations in 1214 ms. Result :sat
Minimization took 293 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:23:55] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2026-05-24 13:23:55] [INFO ] [Real]Absence check using 3 positive and 47 generalized place invariants in 11 ms returned sat
[2026-05-24 13:23:55] [INFO ] [Real]Absence check using state equation in 117 ms returned sat
[2026-05-24 13:23:55] [INFO ] [Real]Added 32 Read/Feed constraints in 140 ms returned sat
[2026-05-24 13:23:55] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:23:55] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-24 13:23:55] [INFO ] [Nat]Absence check using 3 positive and 47 generalized place invariants in 9 ms returned sat
[2026-05-24 13:23:55] [INFO ] [Nat]Absence check using state equation in 116 ms returned sat
[2026-05-24 13:23:55] [INFO ] [Nat]Added 32 Read/Feed constraints in 108 ms returned sat
[2026-05-24 13:23:55] [INFO ] Computed and/alt/rep : 198/1041/198 causal constraints (skipped 36 transitions) in 11 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:23:57] [INFO ] Deduced a trap composed of 4 places in 72 ms of which 5 ms to minimize.
[2026-05-24 13:23:57] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 118 ms
[2026-05-24 13:23:57] [INFO ] Added : 124 causal constraints over 25 iterations in 1238 ms. Result :sat
Minimization took 440 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:23:57] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2026-05-24 13:23:57] [INFO ] [Real]Absence check using 3 positive and 47 generalized place invariants in 12 ms returned sat
[2026-05-24 13:23:57] [INFO ] [Real]Absence check using state equation in 120 ms returned sat
[2026-05-24 13:23:57] [INFO ] [Real]Added 32 Read/Feed constraints in 77 ms returned sat
[2026-05-24 13:23:57] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:23:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2026-05-24 13:23:57] [INFO ] [Nat]Absence check using 3 positive and 47 generalized place invariants in 10 ms returned sat
[2026-05-24 13:23:57] [INFO ] [Nat]Absence check using state equation in 104 ms returned sat
[2026-05-24 13:23:58] [INFO ] [Nat]Added 32 Read/Feed constraints in 136 ms returned sat
[2026-05-24 13:23:58] [INFO ] Computed and/alt/rep : 198/1041/198 causal constraints (skipped 36 transitions) in 10 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:23:59] [INFO ] Deduced a trap composed of 8 places in 124 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:23:59] [INFO ] Deduced a trap composed of 16 places in 95 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:23:59] [INFO ] Deduced a trap composed of 18 places in 98 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:23:59] [INFO ] Deduced a trap composed of 21 places in 106 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:24:00] [INFO ] Deduced a trap composed of 22 places in 114 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:24:00] [INFO ] Deduced a trap composed of 22 places in 101 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:24:00] [INFO ] Deduced a trap composed of 23 places in 103 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:24:00] [INFO ] Deduced a trap composed of 23 places in 114 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:24:00] [INFO ] Deduced a trap composed of 25 places in 104 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:24:01] [INFO ] Deduced a trap composed of 61 places in 166 ms of which 77 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:24:01] [INFO ] Deduced a trap composed of 60 places in 190 ms of which 100 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:24:01] [INFO ] Deduced a trap composed of 60 places in 139 ms of which 54 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:24:01] [INFO ] Deduced a trap composed of 61 places in 170 ms of which 82 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:24:01] [INFO ] Deduced a trap composed of 62 places in 138 ms of which 49 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:24:02] [INFO ] Deduced a trap composed of 58 places in 136 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:24:02] [INFO ] Deduced a trap composed of 59 places in 128 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:24:02] [INFO ] Deduced a trap composed of 59 places in 112 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:24:02] [INFO ] Deduced a trap composed of 60 places in 155 ms of which 64 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:24:02] [INFO ] Deduced a trap composed of 59 places in 167 ms of which 75 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:24:03] [INFO ] Deduced a trap composed of 59 places in 138 ms of which 49 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:24:04] [INFO ] Deduced a trap composed of 15 places in 104 ms of which 12 ms to minimize.
[2026-05-24 13:24:04] [INFO ] Trap strengthening (SAT) tested/added 22/21 trap constraints in 4701 ms
[2026-05-24 13:24:04] [INFO ] Added : 125 causal constraints over 26 iterations in 6020 ms. Result :sat
Minimization took 459 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:24:04] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2026-05-24 13:24:04] [INFO ] [Real]Absence check using 3 positive and 47 generalized place invariants in 17 ms returned sat
[2026-05-24 13:24:04] [INFO ] [Real]Absence check using state equation in 99 ms returned sat
[2026-05-24 13:24:04] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:24:04] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2026-05-24 13:24:04] [INFO ] [Nat]Absence check using 3 positive and 47 generalized place invariants in 11 ms returned sat
[2026-05-24 13:24:04] [INFO ] [Nat]Absence check using state equation in 99 ms returned sat
[2026-05-24 13:24:05] [INFO ] [Nat]Added 32 Read/Feed constraints in 273 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:24:05] [INFO ] Deduced a trap composed of 14 places in 105 ms of which 12 ms to minimize.
[2026-05-24 13:24:05] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 173 ms
[2026-05-24 13:24:05] [INFO ] Computed and/alt/rep : 198/1041/198 causal constraints (skipped 36 transitions) in 13 ms.
[2026-05-24 13:24:07] [INFO ] Added : 158 causal constraints over 32 iterations in 2004 ms. Result :sat
Minimization took 648 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 44, 1, 1, 1, 1, 1, 1, +inf, 1, 1, 29, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 44, 1, 1, 1, 1, 1, 1, +inf, 1, 1, 29, +inf]
Support contains 13 out of 250 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 250/250 places, 235/235 transitions.
Applied a total of 0 rules in 9 ms. Remains 250 /250 variables (removed 0) and now considering 235/235 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 250/250 places, 235/235 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 250/250 places, 235/235 transitions.
Applied a total of 0 rules in 10 ms. Remains 250 /250 variables (removed 0) and now considering 235/235 (removed 0) transitions.
[2026-05-24 13:24:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:24:31] [INFO ] Implicit Places using invariants in 1027 ms returned [21, 27, 48, 53, 75, 82, 103, 109, 130, 135, 136, 160, 166, 189, 195, 203, 211, 217, 241, 247]
[2026-05-24 13:24:31] [INFO ] Actually due to overlaps returned [203, 135]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 1033 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 248/250 places, 235/235 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 248 transition count 234
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 247 transition count 234
Applied a total of 2 rules in 21 ms. Remains 247 /248 variables (removed 1) and now considering 234/235 (removed 1) transitions.
// Phase 1: matrix 234 rows 247 cols
[2026-05-24 13:24:31] [INFO ] Computed 48 invariants in 26 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:24:32] [INFO ] Implicit Places using invariants in 831 ms returned [21, 27, 48, 53, 75, 82, 103, 109, 130, 135, 159, 165, 188, 194, 209, 214, 238, 244]
[2026-05-24 13:24:32] [INFO ] Actually due to overlaps returned [244, 238]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 835 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 245/250 places, 234/235 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 245 transition count 233
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 244 transition count 233
Applied a total of 2 rules in 22 ms. Remains 244 /245 variables (removed 1) and now considering 233/234 (removed 1) transitions.
// Phase 1: matrix 233 rows 244 cols
[2026-05-24 13:24:32] [INFO ] Computed 46 invariants in 18 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:24:33] [INFO ] Implicit Places using invariants in 807 ms returned [21, 27, 48, 53, 75, 82, 103, 109, 130, 135, 159, 165, 188, 194, 209, 214]
[2026-05-24 13:24:33] [INFO ] Actually due to overlaps returned [27, 21]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 810 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 3 : 242/250 places, 233/235 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 242 transition count 232
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 241 transition count 232
Applied a total of 2 rules in 26 ms. Remains 241 /242 variables (removed 1) and now considering 232/233 (removed 1) transitions.
// Phase 1: matrix 232 rows 241 cols
[2026-05-24 13:24:33] [INFO ] Computed 44 invariants in 12 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:24:34] [INFO ] Implicit Places using invariants in 591 ms returned [45, 50, 72, 79, 100, 106, 127, 132, 156, 162, 185, 191, 206, 211]
[2026-05-24 13:24:34] [INFO ] Actually due to overlaps returned [50, 45]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 593 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 4 : 239/250 places, 232/235 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 239 transition count 231
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 238 transition count 231
Applied a total of 2 rules in 21 ms. Remains 238 /239 variables (removed 1) and now considering 231/232 (removed 1) transitions.
// Phase 1: matrix 231 rows 238 cols
[2026-05-24 13:24:34] [INFO ] Computed 42 invariants in 12 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:24:34] [INFO ] Implicit Places using invariants in 586 ms returned [69, 76, 97, 103, 124, 129, 153, 159, 182, 188, 203, 208]
[2026-05-24 13:24:34] [INFO ] Actually due to overlaps returned [76, 69]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 589 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 5 : 236/250 places, 231/235 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 236 transition count 230
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 235 transition count 230
Applied a total of 2 rules in 15 ms. Remains 235 /236 variables (removed 1) and now considering 230/231 (removed 1) transitions.
// Phase 1: matrix 230 rows 235 cols
[2026-05-24 13:24:34] [INFO ] Computed 40 invariants in 9 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:24:35] [INFO ] Implicit Places using invariants in 491 ms returned [94, 100, 121, 126, 150, 156, 179, 185, 200, 205]
[2026-05-24 13:24:35] [INFO ] Actually due to overlaps returned [100, 94]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 495 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 6 : 233/250 places, 230/235 transitions.
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 233 transition count 230
Applied a total of 2 rules in 13 ms. Remains 233 /233 variables (removed 0) and now considering 230/230 (removed 0) transitions.
// Phase 1: matrix 230 rows 233 cols
[2026-05-24 13:24:35] [INFO ] Computed 38 invariants in 11 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:24:35] [INFO ] Implicit Places using invariants in 414 ms returned [119, 124, 148, 154, 177, 183, 198, 203]
[2026-05-24 13:24:35] [INFO ] Actually due to overlaps returned [124, 119]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 417 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 7 : 231/250 places, 230/235 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 231 transition count 229
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 230 transition count 229
Applied a total of 2 rules in 11 ms. Remains 230 /231 variables (removed 1) and now considering 229/230 (removed 1) transitions.
// Phase 1: matrix 229 rows 230 cols
[2026-05-24 13:24:35] [INFO ] Computed 36 invariants in 10 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:24:36] [INFO ] Implicit Places using invariants in 373 ms returned [145, 151, 174, 180, 195, 200]
[2026-05-24 13:24:36] [INFO ] Actually due to overlaps returned [151, 145]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 376 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 8 : 228/250 places, 229/235 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 228 transition count 228
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 227 transition count 228
Applied a total of 2 rules in 11 ms. Remains 227 /228 variables (removed 1) and now considering 228/229 (removed 1) transitions.
// Phase 1: matrix 228 rows 227 cols
[2026-05-24 13:24:36] [INFO ] Computed 34 invariants in 14 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:24:36] [INFO ] Implicit Places using invariants in 359 ms returned [171, 177, 192, 197]
[2026-05-24 13:24:36] [INFO ] Actually due to overlaps returned [171, 177]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 361 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 9 : 225/250 places, 228/235 transitions.
Applied a total of 0 rules in 8 ms. Remains 225 /225 variables (removed 0) and now considering 228/228 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 10 iterations and 5672 ms. Remains : 225/250 places, 228/235 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {28=1, 52=1, 71=1, 104=1, 128=1, 188=1, 205=1, 212=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {28=1, 52=1, 71=1, 104=1, 128=1, 188=1, 205=1, 212=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 1433 resets, run finished after 42 ms. (steps per millisecond=238 ) properties (out of 13) seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 44, 1, 1, 1, 1, 1, 1, +inf, 1, 1, 29, +inf]
// Phase 1: matrix 228 rows 225 cols
[2026-05-24 13:26:36] [INFO ] Computed 32 invariants in 19 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, +inf, 1, 1, 1, +inf]
RANDOM walk for 1000000 steps (144220 resets) in 936 ms. (1067 steps per ms)
BEST_FIRST walk for 13000005 steps (1189031 resets) in 8458 ms. (1536 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, +inf, 1, 1, 1, +inf]
[2026-05-24 13:26:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:26:45] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2026-05-24 13:26:45] [INFO ] [Real]Absence check using 13 positive and 19 generalized place invariants in 3 ms returned sat
[2026-05-24 13:26:45] [INFO ] [Real]Absence check using state equation in 104 ms returned sat
[2026-05-24 13:26:45] [INFO ] State equation strengthened by 32 read => feed constraints.
[2026-05-24 13:26:46] [INFO ] [Real]Added 32 Read/Feed constraints in 51 ms returned sat
[2026-05-24 13:26:46] [INFO ] Computed and/alt/rep : 194/1082/194 causal constraints (skipped 33 transitions) in 13 ms.
[2026-05-24 13:26:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:26:46] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2026-05-24 13:26:46] [INFO ] [Nat]Absence check using 13 positive and 19 generalized place invariants in 3 ms returned sat
[2026-05-24 13:26:46] [INFO ] [Nat]Absence check using state equation in 85 ms returned sat
[2026-05-24 13:26:46] [INFO ] [Nat]Added 32 Read/Feed constraints in 128 ms returned sat
[2026-05-24 13:26:46] [INFO ] Computed and/alt/rep : 194/1082/194 causal constraints (skipped 33 transitions) in 10 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:26:47] [INFO ] Deduced a trap composed of 8 places in 82 ms of which 5 ms to minimize.
[2026-05-24 13:26:47] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 145 ms
[2026-05-24 13:26:47] [INFO ] Added : 91 causal constraints over 19 iterations in 1482 ms. Result :sat
Minimization took 283 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:26:48] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2026-05-24 13:26:48] [INFO ] [Real]Absence check using 13 positive and 19 generalized place invariants in 3 ms returned sat
[2026-05-24 13:26:48] [INFO ] [Real]Absence check using state equation in 129 ms returned sat
[2026-05-24 13:26:48] [INFO ] [Real]Added 32 Read/Feed constraints in 129 ms returned sat
[2026-05-24 13:26:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:26:48] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2026-05-24 13:26:48] [INFO ] [Nat]Absence check using 13 positive and 19 generalized place invariants in 3 ms returned sat
[2026-05-24 13:26:48] [INFO ] [Nat]Absence check using state equation in 109 ms returned sat
[2026-05-24 13:26:48] [INFO ] [Nat]Added 32 Read/Feed constraints in 269 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:26:49] [INFO ] Deduced a trap composed of 21 places in 98 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:26:49] [INFO ] Deduced a trap composed of 28 places in 98 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:26:49] [INFO ] Deduced a trap composed of 33 places in 104 ms of which 25 ms to minimize.
[2026-05-24 13:26:49] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 380 ms
[2026-05-24 13:26:49] [INFO ] Computed and/alt/rep : 194/1082/194 causal constraints (skipped 33 transitions) in 15 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:26:50] [INFO ] Deduced a trap composed of 3 places in 88 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:26:50] [INFO ] Deduced a trap composed of 4 places in 79 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:26:51] [INFO ] Deduced a trap composed of 8 places in 78 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:26:51] [INFO ] Deduced a trap composed of 13 places in 84 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:26:51] [INFO ] Deduced a trap composed of 14 places in 85 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:26:51] [INFO ] Deduced a trap composed of 15 places in 81 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:26:51] [INFO ] Deduced a trap composed of 17 places in 112 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:26:51] [INFO ] Deduced a trap composed of 23 places in 100 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:26:51] [INFO ] Deduced a trap composed of 22 places in 90 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:26:52] [INFO ] Deduced a trap composed of 24 places in 105 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:26:52] [INFO ] Deduced a trap composed of 28 places in 92 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:26:52] [INFO ] Deduced a trap composed of 63 places in 146 ms of which 54 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:26:52] [INFO ] Deduced a trap composed of 64 places in 138 ms of which 55 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:26:52] [INFO ] Deduced a trap composed of 64 places in 115 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:26:53] [INFO ] Deduced a trap composed of 63 places in 127 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:26:53] [INFO ] Deduced a trap composed of 63 places in 122 ms of which 35 ms to minimize.
[2026-05-24 13:26:53] [INFO ] Trap strengthening (SAT) tested/added 17/16 trap constraints in 2576 ms
[2026-05-24 13:26:53] [INFO ] Added : 115 causal constraints over 24 iterations in 4094 ms. Result :sat
Minimization took 345 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:26:53] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2026-05-24 13:26:53] [INFO ] [Real]Absence check using 13 positive and 19 generalized place invariants in 3 ms returned sat
[2026-05-24 13:26:53] [INFO ] [Real]Absence check using state equation in 113 ms returned sat
[2026-05-24 13:26:54] [INFO ] [Real]Added 32 Read/Feed constraints in 99 ms returned sat
[2026-05-24 13:26:54] [INFO ] Computed and/alt/rep : 194/1082/194 causal constraints (skipped 33 transitions) in 13 ms.
[2026-05-24 13:26:54] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:26:54] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2026-05-24 13:26:54] [INFO ] [Nat]Absence check using 13 positive and 19 generalized place invariants in 3 ms returned sat
[2026-05-24 13:26:54] [INFO ] [Nat]Absence check using state equation in 107 ms returned sat
[2026-05-24 13:26:54] [INFO ] [Nat]Added 32 Read/Feed constraints in 240 ms returned sat
[2026-05-24 13:26:54] [INFO ] Computed and/alt/rep : 194/1082/194 causal constraints (skipped 33 transitions) in 11 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:26:55] [INFO ] Deduced a trap composed of 8 places in 83 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:26:55] [INFO ] Deduced a trap composed of 19 places in 97 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:26:55] [INFO ] Deduced a trap composed of 21 places in 91 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:26:55] [INFO ] Deduced a trap composed of 23 places in 94 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:26:56] [INFO ] Deduced a trap composed of 45 places in 158 ms of which 73 ms to minimize.
[2026-05-24 13:26:56] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 976 ms
[2026-05-24 13:26:56] [INFO ] Added : 98 causal constraints over 20 iterations in 1924 ms. Result :sat
Minimization took 323 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:26:56] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2026-05-24 13:26:56] [INFO ] [Real]Absence check using 13 positive and 19 generalized place invariants in 3 ms returned sat
[2026-05-24 13:26:56] [INFO ] [Real]Absence check using state equation in 91 ms returned sat
[2026-05-24 13:26:57] [INFO ] [Real]Added 32 Read/Feed constraints in 152 ms returned sat
[2026-05-24 13:26:57] [INFO ] Computed and/alt/rep : 194/1082/194 causal constraints (skipped 33 transitions) in 11 ms.
[2026-05-24 13:26:57] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:26:57] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2026-05-24 13:26:57] [INFO ] [Nat]Absence check using 13 positive and 19 generalized place invariants in 3 ms returned sat
[2026-05-24 13:26:57] [INFO ] [Nat]Absence check using state equation in 82 ms returned sat
[2026-05-24 13:26:57] [INFO ] [Nat]Added 32 Read/Feed constraints in 186 ms returned sat
[2026-05-24 13:26:57] [INFO ] Computed and/alt/rep : 194/1082/194 causal constraints (skipped 33 transitions) in 9 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:00] [INFO ] Deduced a trap composed of 8 places in 84 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:01] [INFO ] Deduced a trap composed of 19 places in 86 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:01] [INFO ] Deduced a trap composed of 24 places in 98 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:01] [INFO ] Deduced a trap composed of 24 places in 98 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:01] [INFO ] Deduced a trap composed of 16 places in 85 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:01] [INFO ] Deduced a trap composed of 36 places in 93 ms of which 17 ms to minimize.
[2026-05-24 13:27:01] [INFO ] Trap strengthening (SAT) tested/added 7/6 trap constraints in 749 ms
[2026-05-24 13:27:01] [INFO ] Added : 182 causal constraints over 38 iterations in 4105 ms. Result :sat
Minimization took 772 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:27:02] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2026-05-24 13:27:02] [INFO ] [Real]Absence check using 13 positive and 19 generalized place invariants in 3 ms returned sat
[2026-05-24 13:27:02] [INFO ] [Real]Absence check using state equation in 144 ms returned sat
[2026-05-24 13:27:02] [INFO ] [Real]Added 32 Read/Feed constraints in 87 ms returned sat
[2026-05-24 13:27:02] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:27:02] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2026-05-24 13:27:02] [INFO ] [Nat]Absence check using 13 positive and 19 generalized place invariants in 3 ms returned sat
[2026-05-24 13:27:02] [INFO ] [Nat]Absence check using state equation in 142 ms returned sat
[2026-05-24 13:27:03] [INFO ] [Nat]Added 32 Read/Feed constraints in 155 ms returned sat
[2026-05-24 13:27:03] [INFO ] Computed and/alt/rep : 194/1082/194 causal constraints (skipped 33 transitions) in 13 ms.
[2026-05-24 13:27:05] [INFO ] Added : 182 causal constraints over 37 iterations in 2504 ms. Result :sat
Minimization took 635 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:27:06] [INFO ] [Real]Absence check using 13 positive place invariants in 9 ms returned sat
[2026-05-24 13:27:06] [INFO ] [Real]Absence check using 13 positive and 19 generalized place invariants in 3 ms returned sat
[2026-05-24 13:27:06] [INFO ] [Real]Absence check using state equation in 103 ms returned sat
[2026-05-24 13:27:06] [INFO ] [Real]Added 32 Read/Feed constraints in 72 ms returned sat
[2026-05-24 13:27:06] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:27:06] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2026-05-24 13:27:06] [INFO ] [Nat]Absence check using 13 positive and 19 generalized place invariants in 3 ms returned sat
[2026-05-24 13:27:06] [INFO ] [Nat]Absence check using state equation in 106 ms returned sat
[2026-05-24 13:27:06] [INFO ] [Nat]Added 32 Read/Feed constraints in 130 ms returned sat
[2026-05-24 13:27:06] [INFO ] Computed and/alt/rep : 194/1082/194 causal constraints (skipped 33 transitions) in 11 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:09] [INFO ] Deduced a trap composed of 10 places in 92 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:09] [INFO ] Deduced a trap composed of 14 places in 95 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:10] [INFO ] Deduced a trap composed of 23 places in 96 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:10] [INFO ] Deduced a trap composed of 24 places in 98 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:10] [INFO ] Deduced a trap composed of 21 places in 91 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:10] [INFO ] Deduced a trap composed of 46 places in 117 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:10] [INFO ] Deduced a trap composed of 51 places in 132 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:10] [INFO ] Deduced a trap composed of 51 places in 110 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:11] [INFO ] Deduced a trap composed of 46 places in 147 ms of which 65 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:11] [INFO ] Deduced a trap composed of 51 places in 129 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:11] [INFO ] Deduced a trap composed of 53 places in 120 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:11] [INFO ] Deduced a trap composed of 56 places in 124 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:11] [INFO ] Deduced a trap composed of 56 places in 122 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:11] [INFO ] Deduced a trap composed of 56 places in 117 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:11] [INFO ] Deduced a trap composed of 56 places in 115 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:12] [INFO ] Deduced a trap composed of 53 places in 119 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:12] [INFO ] Deduced a trap composed of 56 places in 125 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:12] [INFO ] Deduced a trap composed of 56 places in 110 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:12] [INFO ] Deduced a trap composed of 58 places in 117 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:12] [INFO ] Deduced a trap composed of 58 places in 112 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:12] [INFO ] Deduced a trap composed of 58 places in 108 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:13] [INFO ] Deduced a trap composed of 58 places in 99 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:13] [INFO ] Deduced a trap composed of 54 places in 106 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:13] [INFO ] Deduced a trap composed of 56 places in 104 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:13] [INFO ] Deduced a trap composed of 57 places in 104 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:13] [INFO ] Deduced a trap composed of 54 places in 127 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:13] [INFO ] Deduced a trap composed of 57 places in 128 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:14] [INFO ] Deduced a trap composed of 59 places in 106 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:14] [INFO ] Deduced a trap composed of 47 places in 143 ms of which 62 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:14] [INFO ] Deduced a trap composed of 47 places in 110 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:14] [INFO ] Deduced a trap composed of 54 places in 124 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:14] [INFO ] Deduced a trap composed of 54 places in 117 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:14] [INFO ] Deduced a trap composed of 54 places in 113 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:15] [INFO ] Deduced a trap composed of 50 places in 118 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:15] [INFO ] Deduced a trap composed of 52 places in 111 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:15] [INFO ] Deduced a trap composed of 52 places in 112 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:15] [INFO ] Deduced a trap composed of 52 places in 109 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:15] [INFO ] Deduced a trap composed of 52 places in 102 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:15] [INFO ] Deduced a trap composed of 57 places in 124 ms of which 42 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:15] [INFO ] Deduced a trap composed of 59 places in 110 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:16] [INFO ] Deduced a trap composed of 59 places in 112 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:16] [INFO ] Deduced a trap composed of 59 places in 111 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:16] [INFO ] Deduced a trap composed of 59 places in 110 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:16] [INFO ] Deduced a trap composed of 59 places in 114 ms of which 33 ms to minimize.
[2026-05-24 13:27:16] [INFO ] Trap strengthening (SAT) tested/added 45/44 trap constraints in 6824 ms
[2026-05-24 13:27:16] [INFO ] Added : 190 causal constraints over 38 iterations in 9844 ms. Result :sat
Minimization took 574 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:27:17] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2026-05-24 13:27:17] [INFO ] [Real]Absence check using 13 positive and 19 generalized place invariants in 3 ms returned sat
[2026-05-24 13:27:17] [INFO ] [Real]Absence check using state equation in 106 ms returned sat
[2026-05-24 13:27:17] [INFO ] [Real]Added 32 Read/Feed constraints in 57 ms returned sat
[2026-05-24 13:27:17] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:27:17] [INFO ] [Nat]Absence check using 13 positive place invariants in 12 ms returned sat
[2026-05-24 13:27:17] [INFO ] [Nat]Absence check using 13 positive and 19 generalized place invariants in 3 ms returned sat
[2026-05-24 13:27:17] [INFO ] [Nat]Absence check using state equation in 98 ms returned sat
[2026-05-24 13:27:17] [INFO ] [Nat]Added 32 Read/Feed constraints in 96 ms returned sat
[2026-05-24 13:27:17] [INFO ] Computed and/alt/rep : 194/1082/194 causal constraints (skipped 33 transitions) in 10 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:19] [INFO ] Deduced a trap composed of 10 places in 59 ms of which 5 ms to minimize.
[2026-05-24 13:27:19] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 118 ms
[2026-05-24 13:27:19] [INFO ] Added : 141 causal constraints over 29 iterations in 1844 ms. Result :sat
Minimization took 557 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:27:20] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2026-05-24 13:27:20] [INFO ] [Real]Absence check using 13 positive and 19 generalized place invariants in 5 ms returned sat
[2026-05-24 13:27:20] [INFO ] [Real]Absence check using state equation in 78 ms returned sat
[2026-05-24 13:27:20] [INFO ] [Real]Added 32 Read/Feed constraints in 210 ms returned sat
[2026-05-24 13:27:20] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:27:20] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2026-05-24 13:27:20] [INFO ] [Nat]Absence check using 13 positive and 19 generalized place invariants in 3 ms returned sat
[2026-05-24 13:27:20] [INFO ] [Nat]Absence check using state equation in 80 ms returned sat
[2026-05-24 13:27:20] [INFO ] [Nat]Added 32 Read/Feed constraints in 163 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:20] [INFO ] Deduced a trap composed of 22 places in 102 ms of which 13 ms to minimize.
[2026-05-24 13:27:20] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 129 ms
[2026-05-24 13:27:20] [INFO ] Computed and/alt/rep : 194/1082/194 causal constraints (skipped 33 transitions) in 11 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:21] [INFO ] Deduced a trap composed of 8 places in 103 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:22] [INFO ] Deduced a trap composed of 14 places in 93 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:22] [INFO ] Deduced a trap composed of 14 places in 92 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:22] [INFO ] Deduced a trap composed of 16 places in 92 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:22] [INFO ] Deduced a trap composed of 49 places in 143 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:22] [INFO ] Deduced a trap composed of 50 places in 113 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:22] [INFO ] Deduced a trap composed of 24 places in 91 ms of which 14 ms to minimize.
[2026-05-24 13:27:23] [INFO ] Trap strengthening (SAT) tested/added 8/7 trap constraints in 1553 ms
[2026-05-24 13:27:23] [INFO ] Added : 87 causal constraints over 19 iterations in 2553 ms. Result :sat
Minimization took 317 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:27:23] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2026-05-24 13:27:23] [INFO ] [Real]Absence check using 13 positive and 19 generalized place invariants in 3 ms returned sat
[2026-05-24 13:27:23] [INFO ] [Real]Absence check using state equation in 90 ms returned sat
[2026-05-24 13:27:23] [INFO ] [Real]Added 32 Read/Feed constraints in 38 ms returned sat
[2026-05-24 13:27:23] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:27:24] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2026-05-24 13:27:24] [INFO ] [Nat]Absence check using 13 positive and 19 generalized place invariants in 3 ms returned sat
[2026-05-24 13:27:24] [INFO ] [Nat]Absence check using state equation in 87 ms returned sat
[2026-05-24 13:27:24] [INFO ] [Nat]Added 32 Read/Feed constraints in 98 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:24] [INFO ] Deduced a trap composed of 50 places in 134 ms of which 20 ms to minimize.
[2026-05-24 13:27:24] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 164 ms
[2026-05-24 13:27:24] [INFO ] Computed and/alt/rep : 194/1082/194 causal constraints (skipped 33 transitions) in 11 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:26] [INFO ] Deduced a trap composed of 8 places in 83 ms of which 5 ms to minimize.
[2026-05-24 13:27:27] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 127 ms
[2026-05-24 13:27:27] [INFO ] Added : 84 causal constraints over 18 iterations in 2666 ms. Result :sat
Minimization took 235 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:27:27] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2026-05-24 13:27:27] [INFO ] [Real]Absence check using 13 positive and 19 generalized place invariants in 3 ms returned sat
[2026-05-24 13:27:27] [INFO ] [Real]Absence check using state equation in 77 ms returned sat
[2026-05-24 13:27:27] [INFO ] [Real]Added 32 Read/Feed constraints in 100 ms returned sat
[2026-05-24 13:27:27] [INFO ] Computed and/alt/rep : 194/1082/194 causal constraints (skipped 33 transitions) in 12 ms.
[2026-05-24 13:27:27] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:27:27] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2026-05-24 13:27:27] [INFO ] [Nat]Absence check using 13 positive and 19 generalized place invariants in 3 ms returned sat
[2026-05-24 13:27:27] [INFO ] [Nat]Absence check using state equation in 96 ms returned sat
[2026-05-24 13:27:27] [INFO ] [Nat]Added 32 Read/Feed constraints in 107 ms returned sat
[2026-05-24 13:27:27] [INFO ] Computed and/alt/rep : 194/1082/194 causal constraints (skipped 33 transitions) in 11 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:29] [INFO ] Deduced a trap composed of 8 places in 89 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:29] [INFO ] Deduced a trap composed of 53 places in 105 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:30] [INFO ] Deduced a trap composed of 54 places in 105 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:30] [INFO ] Deduced a trap composed of 54 places in 117 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:30] [INFO ] Deduced a trap composed of 55 places in 101 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:30] [INFO ] Deduced a trap composed of 55 places in 99 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:30] [INFO ] Deduced a trap composed of 55 places in 101 ms of which 24 ms to minimize.
[2026-05-24 13:27:30] [INFO ] Trap strengthening (SAT) tested/added 8/7 trap constraints in 943 ms
[2026-05-24 13:27:30] [INFO ] Added : 120 causal constraints over 26 iterations in 2787 ms. Result :sat
Minimization took 608 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:27:31] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2026-05-24 13:27:31] [INFO ] [Real]Absence check using 13 positive and 19 generalized place invariants in 3 ms returned sat
[2026-05-24 13:27:31] [INFO ] [Real]Absence check using state equation in 119 ms returned sat
[2026-05-24 13:27:31] [INFO ] [Real]Added 32 Read/Feed constraints in 89 ms returned sat
[2026-05-24 13:27:31] [INFO ] Computed and/alt/rep : 194/1082/194 causal constraints (skipped 33 transitions) in 9 ms.
[2026-05-24 13:27:31] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:27:31] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2026-05-24 13:27:31] [INFO ] [Nat]Absence check using 13 positive and 19 generalized place invariants in 2 ms returned sat
[2026-05-24 13:27:31] [INFO ] [Nat]Absence check using state equation in 115 ms returned sat
[2026-05-24 13:27:31] [INFO ] [Nat]Added 32 Read/Feed constraints in 107 ms returned sat
[2026-05-24 13:27:31] [INFO ] Computed and/alt/rep : 194/1082/194 causal constraints (skipped 33 transitions) in 9 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:33] [INFO ] Deduced a trap composed of 9 places in 90 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:33] [INFO ] Deduced a trap composed of 16 places in 87 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:33] [INFO ] Deduced a trap composed of 17 places in 99 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:34] [INFO ] Deduced a trap composed of 19 places in 91 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:34] [INFO ] Deduced a trap composed of 21 places in 90 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:34] [INFO ] Deduced a trap composed of 28 places in 90 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:34] [INFO ] Deduced a trap composed of 30 places in 89 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:34] [INFO ] Deduced a trap composed of 30 places in 97 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:34] [INFO ] Deduced a trap composed of 34 places in 97 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:35] [INFO ] Deduced a trap composed of 44 places in 162 ms of which 89 ms to minimize.
[2026-05-24 13:27:35] [INFO ] Trap strengthening (SAT) tested/added 11/10 trap constraints in 1695 ms
[2026-05-24 13:27:35] [INFO ] Added : 127 causal constraints over 26 iterations in 3317 ms. Result :sat
Minimization took 323 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:27:35] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2026-05-24 13:27:35] [INFO ] [Real]Absence check using 13 positive and 19 generalized place invariants in 2 ms returned sat
[2026-05-24 13:27:35] [INFO ] [Real]Absence check using state equation in 103 ms returned sat
[2026-05-24 13:27:35] [INFO ] [Real]Added 32 Read/Feed constraints in 146 ms returned sat
[2026-05-24 13:27:35] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:27:35] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2026-05-24 13:27:35] [INFO ] [Nat]Absence check using 13 positive and 19 generalized place invariants in 2 ms returned sat
[2026-05-24 13:27:36] [INFO ] [Nat]Absence check using state equation in 103 ms returned sat
[2026-05-24 13:27:36] [INFO ] [Nat]Added 32 Read/Feed constraints in 205 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:36] [INFO ] Deduced a trap composed of 23 places in 93 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:36] [INFO ] Deduced a trap composed of 21 places in 87 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:36] [INFO ] Deduced a trap composed of 19 places in 97 ms of which 12 ms to minimize.
[2026-05-24 13:27:36] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 397 ms
[2026-05-24 13:27:36] [INFO ] Computed and/alt/rep : 194/1082/194 causal constraints (skipped 33 transitions) in 11 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:40] [INFO ] Deduced a trap composed of 14 places in 88 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:40] [INFO ] Deduced a trap composed of 30 places in 91 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:40] [INFO ] Deduced a trap composed of 33 places in 90 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:40] [INFO ] Deduced a trap composed of 57 places in 112 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:40] [INFO ] Deduced a trap composed of 57 places in 108 ms of which 31 ms to minimize.
[2026-05-24 13:27:40] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 675 ms
[2026-05-24 13:27:40] [INFO ] Added : 184 causal constraints over 37 iterations in 4131 ms. Result :sat
Minimization took 513 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:27:41] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2026-05-24 13:27:41] [INFO ] [Real]Absence check using 13 positive and 19 generalized place invariants in 3 ms returned sat
[2026-05-24 13:27:41] [INFO ] [Real]Absence check using state equation in 116 ms returned sat
[2026-05-24 13:27:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:27:41] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2026-05-24 13:27:41] [INFO ] [Nat]Absence check using 13 positive and 19 generalized place invariants in 3 ms returned sat
[2026-05-24 13:27:41] [INFO ] [Nat]Absence check using state equation in 118 ms returned sat
[2026-05-24 13:27:42] [INFO ] [Nat]Added 32 Read/Feed constraints in 490 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:42] [INFO ] Deduced a trap composed of 14 places in 91 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:42] [INFO ] Deduced a trap composed of 14 places in 96 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:42] [INFO ] Deduced a trap composed of 55 places in 96 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:42] [INFO ] Deduced a trap composed of 56 places in 116 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:42] [INFO ] Deduced a trap composed of 56 places in 97 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:42] [INFO ] Deduced a trap composed of 56 places in 93 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:42] [INFO ] Deduced a trap composed of 57 places in 98 ms of which 21 ms to minimize.
[2026-05-24 13:27:43] [INFO ] Trap strengthening (SAT) tested/added 8/7 trap constraints in 981 ms
[2026-05-24 13:27:43] [INFO ] Computed and/alt/rep : 194/1082/194 causal constraints (skipped 33 transitions) in 8 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:47] [INFO ] Deduced a trap composed of 4 places in 72 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:47] [INFO ] Deduced a trap composed of 10 places in 82 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:47] [INFO ] Deduced a trap composed of 14 places in 85 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:47] [INFO ] Deduced a trap composed of 73 places in 101 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:47] [INFO ] Deduced a trap composed of 77 places in 109 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:47] [INFO ] Deduced a trap composed of 73 places in 102 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:47] [INFO ] Deduced a trap composed of 77 places in 99 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:48] [INFO ] Deduced a trap composed of 73 places in 120 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:48] [INFO ] Deduced a trap composed of 78 places in 108 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:48] [INFO ] Deduced a trap composed of 79 places in 107 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:48] [INFO ] Deduced a trap composed of 83 places in 106 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:48] [INFO ] Deduced a trap composed of 79 places in 100 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:48] [INFO ] Deduced a trap composed of 83 places in 94 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:48] [INFO ] Deduced a trap composed of 84 places in 99 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:49] [INFO ] Deduced a trap composed of 84 places in 95 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:49] [INFO ] Deduced a trap composed of 74 places in 100 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:49] [INFO ] Deduced a trap composed of 78 places in 102 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:49] [INFO ] Deduced a trap composed of 78 places in 96 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:49] [INFO ] Deduced a trap composed of 82 places in 101 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:49] [INFO ] Deduced a trap composed of 82 places in 89 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:49] [INFO ] Deduced a trap composed of 79 places in 104 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:50] [INFO ] Deduced a trap composed of 83 places in 96 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:50] [INFO ] Deduced a trap composed of 83 places in 93 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:50] [INFO ] Deduced a trap composed of 77 places in 98 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:50] [INFO ] Deduced a trap composed of 80 places in 98 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:50] [INFO ] Deduced a trap composed of 80 places in 96 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:50] [INFO ] Deduced a trap composed of 77 places in 89 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:50] [INFO ] Deduced a trap composed of 81 places in 97 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:51] [INFO ] Deduced a trap composed of 81 places in 98 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:51] [INFO ] Deduced a trap composed of 84 places in 96 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:51] [INFO ] Deduced a trap composed of 81 places in 94 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:51] [INFO ] Deduced a trap composed of 84 places in 89 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:51] [INFO ] Deduced a trap composed of 85 places in 98 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:51] [INFO ] Deduced a trap composed of 84 places in 93 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:51] [INFO ] Deduced a trap composed of 85 places in 93 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:52] [INFO ] Deduced a trap composed of 23 places in 86 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:52] [INFO ] Deduced a trap composed of 74 places in 106 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:52] [INFO ] Deduced a trap composed of 78 places in 96 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:52] [INFO ] Deduced a trap composed of 78 places in 99 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:52] [INFO ] Deduced a trap composed of 78 places in 99 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:52] [INFO ] Deduced a trap composed of 82 places in 96 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:53] [INFO ] Deduced a trap composed of 79 places in 98 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:53] [INFO ] Deduced a trap composed of 79 places in 95 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:53] [INFO ] Deduced a trap composed of 79 places in 100 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:53] [INFO ] Deduced a trap composed of 83 places in 84 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:53] [INFO ] Deduced a trap composed of 83 places in 95 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:53] [INFO ] Deduced a trap composed of 78 places in 94 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:53] [INFO ] Deduced a trap composed of 78 places in 95 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:53] [INFO ] Deduced a trap composed of 83 places in 96 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:54] [INFO ] Deduced a trap composed of 77 places in 100 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:54] [INFO ] Deduced a trap composed of 77 places in 97 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:54] [INFO ] Deduced a trap composed of 77 places in 93 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:54] [INFO ] Deduced a trap composed of 81 places in 96 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:54] [INFO ] Deduced a trap composed of 81 places in 92 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:54] [INFO ] Deduced a trap composed of 81 places in 99 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:54] [INFO ] Deduced a trap composed of 81 places in 97 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:55] [INFO ] Deduced a trap composed of 81 places in 88 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:55] [INFO ] Deduced a trap composed of 81 places in 98 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:55] [INFO ] Deduced a trap composed of 84 places in 97 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:55] [INFO ] Deduced a trap composed of 84 places in 95 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:55] [INFO ] Deduced a trap composed of 85 places in 99 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:55] [INFO ] Deduced a trap composed of 85 places in 92 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:55] [INFO ] Deduced a trap composed of 17 places in 84 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:56] [INFO ] Deduced a trap composed of 82 places in 109 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:56] [INFO ] Deduced a trap composed of 82 places in 112 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:56] [INFO ] Deduced a trap composed of 76 places in 96 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:56] [INFO ] Deduced a trap composed of 76 places in 107 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:56] [INFO ] Deduced a trap composed of 70 places in 109 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:56] [INFO ] Deduced a trap composed of 80 places in 116 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:57] [INFO ] Deduced a trap composed of 80 places in 109 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:57] [INFO ] Deduced a trap composed of 73 places in 114 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:57] [INFO ] Deduced a trap composed of 76 places in 108 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:57] [INFO ] Deduced a trap composed of 74 places in 104 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:57] [INFO ] Deduced a trap composed of 74 places in 121 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:57] [INFO ] Deduced a trap composed of 76 places in 109 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:58] [INFO ] Deduced a trap composed of 79 places in 111 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:58] [INFO ] Deduced a trap composed of 79 places in 105 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:58] [INFO ] Deduced a trap composed of 80 places in 94 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:58] [INFO ] Deduced a trap composed of 80 places in 94 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:58] [INFO ] Deduced a trap composed of 79 places in 110 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:58] [INFO ] Deduced a trap composed of 82 places in 109 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:59] [INFO ] Deduced a trap composed of 82 places in 113 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:59] [INFO ] Deduced a trap composed of 85 places in 114 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:59] [INFO ] Deduced a trap composed of 85 places in 103 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:59] [INFO ] Deduced a trap composed of 85 places in 102 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:59] [INFO ] Deduced a trap composed of 85 places in 102 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:59] [INFO ] Deduced a trap composed of 73 places in 114 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:27:59] [INFO ] Deduced a trap composed of 67 places in 113 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:00] [INFO ] Deduced a trap composed of 72 places in 118 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:00] [INFO ] Deduced a trap composed of 75 places in 108 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:00] [INFO ] Deduced a trap composed of 75 places in 112 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:00] [INFO ] Deduced a trap composed of 78 places in 106 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:00] [INFO ] Deduced a trap composed of 78 places in 98 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:00] [INFO ] Deduced a trap composed of 66 places in 97 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:01] [INFO ] Deduced a trap composed of 69 places in 109 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:01] [INFO ] Deduced a trap composed of 69 places in 104 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:01] [INFO ] Deduced a trap composed of 69 places in 111 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:01] [INFO ] Deduced a trap composed of 72 places in 90 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:01] [INFO ] Deduced a trap composed of 72 places in 93 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:01] [INFO ] Deduced a trap composed of 75 places in 97 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:01] [INFO ] Deduced a trap composed of 75 places in 103 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:02] [INFO ] Deduced a trap composed of 78 places in 105 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:02] [INFO ] Deduced a trap composed of 76 places in 97 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:02] [INFO ] Deduced a trap composed of 78 places in 99 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:02] [INFO ] Deduced a trap composed of 81 places in 101 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:02] [INFO ] Deduced a trap composed of 73 places in 98 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:02] [INFO ] Deduced a trap composed of 73 places in 91 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:02] [INFO ] Deduced a trap composed of 75 places in 98 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:03] [INFO ] Deduced a trap composed of 73 places in 93 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:03] [INFO ] Deduced a trap composed of 73 places in 94 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:03] [INFO ] Deduced a trap composed of 75 places in 96 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:03] [INFO ] Deduced a trap composed of 70 places in 99 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:03] [INFO ] Deduced a trap composed of 71 places in 95 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:03] [INFO ] Deduced a trap composed of 71 places in 98 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:03] [INFO ] Deduced a trap composed of 76 places in 97 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:04] [INFO ] Deduced a trap composed of 77 places in 98 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:04] [INFO ] Deduced a trap composed of 72 places in 92 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:04] [INFO ] Deduced a trap composed of 75 places in 101 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:04] [INFO ] Deduced a trap composed of 79 places in 91 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:04] [INFO ] Deduced a trap composed of 81 places in 86 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:05] [INFO ] Deduced a trap composed of 77 places in 112 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:05] [INFO ] Deduced a trap composed of 78 places in 94 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:05] [INFO ] Deduced a trap composed of 77 places in 96 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:05] [INFO ] Deduced a trap composed of 80 places in 101 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:05] [INFO ] Deduced a trap composed of 81 places in 97 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:05] [INFO ] Deduced a trap composed of 81 places in 94 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:05] [INFO ] Deduced a trap composed of 78 places in 94 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:06] [INFO ] Deduced a trap composed of 79 places in 94 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:06] [INFO ] Deduced a trap composed of 79 places in 95 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:06] [INFO ] Deduced a trap composed of 78 places in 94 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:06] [INFO ] Deduced a trap composed of 79 places in 91 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:06] [INFO ] Deduced a trap composed of 78 places in 91 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:06] [INFO ] Deduced a trap composed of 81 places in 92 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:06] [INFO ] Deduced a trap composed of 82 places in 98 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:07] [INFO ] Deduced a trap composed of 82 places in 92 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:07] [INFO ] Deduced a trap composed of 82 places in 95 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:07] [INFO ] Deduced a trap composed of 77 places in 90 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:07] [INFO ] Deduced a trap composed of 77 places in 86 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:07] [INFO ] Deduced a trap composed of 80 places in 102 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:07] [INFO ] Deduced a trap composed of 80 places in 99 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:07] [INFO ] Deduced a trap composed of 80 places in 96 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:08] [INFO ] Deduced a trap composed of 80 places in 96 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:08] [INFO ] Deduced a trap composed of 79 places in 89 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:08] [INFO ] Deduced a trap composed of 82 places in 101 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:08] [INFO ] Deduced a trap composed of 83 places in 96 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:08] [INFO ] Deduced a trap composed of 83 places in 94 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:08] [INFO ] Deduced a trap composed of 80 places in 91 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:09] [INFO ] Deduced a trap composed of 74 places in 103 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:09] [INFO ] Deduced a trap composed of 74 places in 91 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:09] [INFO ] Deduced a trap composed of 79 places in 87 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:09] [INFO ] Deduced a trap composed of 24 places in 83 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:09] [INFO ] Deduced a trap composed of 30 places in 84 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:09] [INFO ] Deduced a trap composed of 74 places in 101 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:10] [INFO ] Deduced a trap composed of 78 places in 96 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:10] [INFO ] Deduced a trap composed of 72 places in 96 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:10] [INFO ] Deduced a trap composed of 78 places in 88 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:10] [INFO ] Deduced a trap composed of 74 places in 98 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:10] [INFO ] Deduced a trap composed of 78 places in 91 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:10] [INFO ] Deduced a trap composed of 78 places in 99 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:10] [INFO ] Deduced a trap composed of 72 places in 101 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:11] [INFO ] Deduced a trap composed of 78 places in 91 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:11] [INFO ] Deduced a trap composed of 78 places in 91 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:11] [INFO ] Deduced a trap composed of 73 places in 96 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:11] [INFO ] Deduced a trap composed of 73 places in 86 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:11] [INFO ] Deduced a trap composed of 73 places in 85 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:11] [INFO ] Deduced a trap composed of 77 places in 86 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:11] [INFO ] Deduced a trap composed of 77 places in 92 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:12] [INFO ] Deduced a trap composed of 78 places in 94 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:12] [INFO ] Deduced a trap composed of 74 places in 91 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:12] [INFO ] Deduced a trap composed of 74 places in 94 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:12] [INFO ] Deduced a trap composed of 77 places in 87 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:12] [INFO ] Deduced a trap composed of 78 places in 90 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:12] [INFO ] Deduced a trap composed of 78 places in 103 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:13] [INFO ] Deduced a trap composed of 78 places in 92 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:13] [INFO ] Deduced a trap composed of 78 places in 103 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:28:13] [INFO ] Deduced a trap composed of 3 places in 71 ms of which 4 ms to minimize.
[2026-05-24 13:28:13] [INFO ] Trap strengthening (SAT) tested/added 177/176 trap constraints in 26554 ms
[2026-05-24 13:28:13] [INFO ] Added : 184 causal constraints over 37 iterations in 30444 ms. Result :sat
Minimization took 2738 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, +inf, 1, 1, 1, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, +inf, 1, 1, 1, +inf]
Support contains 13 out of 225 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 225/225 places, 228/228 transitions.
Applied a total of 0 rules in 5 ms. Remains 225 /225 variables (removed 0) and now considering 228/228 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 225/225 places, 228/228 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 225/225 places, 228/228 transitions.
Applied a total of 0 rules in 4 ms. Remains 225 /225 variables (removed 0) and now considering 228/228 (removed 0) transitions.
[2026-05-24 13:28:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:28:49] [INFO ] Implicit Places using invariants in 374 ms returned [190, 195]
[2026-05-24 13:28:49] [INFO ] Actually due to overlaps returned [190]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 376 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 224/225 places, 228/228 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 223 transition count 227
Applied a total of 2 rules in 9 ms. Remains 223 /224 variables (removed 1) and now considering 227/228 (removed 1) transitions.
// Phase 1: matrix 227 rows 223 cols
[2026-05-24 13:28:49] [INFO ] Computed 31 invariants in 10 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:28:50] [INFO ] Implicit Places using invariants in 324 ms returned []
[2026-05-24 13:28:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:28:50] [INFO ] State equation strengthened by 32 read => feed constraints.
[2026-05-24 13:28:51] [INFO ] Implicit Places using invariants and state equation in 1763 ms returned []
Implicit Place search using SMT with State Equation took 2089 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 223/225 places, 227/228 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 2478 ms. Remains : 223/225 places, 227/228 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {28=1, 50=1, 53=2, 54=2, 69=1, 102=1, 118=2, 126=1, 186=1, 200=1, 203=1, 210=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {28=1, 50=1, 69=1, 102=1, 126=1, 186=1, 203=1, 210=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 1413 resets, run finished after 17 ms. (steps per millisecond=588 ) properties (out of 13) seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, +inf, 1, 1, 1, +inf]
[2026-05-24 13:30:22] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, +inf, 1, 1, 1, +inf]
RANDOM walk for 1000000 steps (143734 resets) in 814 ms. (1226 steps per ms)
BEST_FIRST walk for 13000004 steps (1188170 resets) in 7528 ms. (1726 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, +inf, 1, 1, 1, +inf]
[2026-05-24 13:30:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:30:30] [INFO ] [Real]Absence check using 8 positive place invariants in 6 ms returned sat
[2026-05-24 13:30:30] [INFO ] [Real]Absence check using 8 positive and 23 generalized place invariants in 4 ms returned sat
[2026-05-24 13:30:30] [INFO ] [Real]Absence check using state equation in 85 ms returned sat
[2026-05-24 13:30:30] [INFO ] State equation strengthened by 32 read => feed constraints.
[2026-05-24 13:30:30] [INFO ] [Real]Added 32 Read/Feed constraints in 120 ms returned sat
[2026-05-24 13:30:30] [INFO ] Computed and/alt/rep : 193/1079/193 causal constraints (skipped 33 transitions) in 10 ms.
[2026-05-24 13:30:30] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:30:30] [INFO ] [Nat]Absence check using 8 positive place invariants in 5 ms returned sat
[2026-05-24 13:30:30] [INFO ] [Nat]Absence check using 8 positive and 23 generalized place invariants in 5 ms returned sat
[2026-05-24 13:30:31] [INFO ] [Nat]Absence check using state equation in 73 ms returned sat
[2026-05-24 13:30:31] [INFO ] [Nat]Added 32 Read/Feed constraints in 138 ms returned sat
[2026-05-24 13:30:31] [INFO ] Computed and/alt/rep : 193/1079/193 causal constraints (skipped 33 transitions) in 10 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:30:32] [INFO ] Deduced a trap composed of 8 places in 70 ms of which 5 ms to minimize.
[2026-05-24 13:30:32] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 120 ms
[2026-05-24 13:30:32] [INFO ] Added : 122 causal constraints over 26 iterations in 1547 ms. Result :sat
Minimization took 488 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:30:33] [INFO ] [Real]Absence check using 8 positive place invariants in 7 ms returned sat
[2026-05-24 13:30:33] [INFO ] [Real]Absence check using 8 positive and 23 generalized place invariants in 6 ms returned sat
[2026-05-24 13:30:33] [INFO ] [Real]Absence check using state equation in 103 ms returned sat
[2026-05-24 13:30:33] [INFO ] [Real]Added 32 Read/Feed constraints in 170 ms returned sat
[2026-05-24 13:30:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:30:33] [INFO ] [Nat]Absence check using 8 positive place invariants in 5 ms returned sat
[2026-05-24 13:30:33] [INFO ] [Nat]Absence check using 8 positive and 23 generalized place invariants in 4 ms returned sat
[2026-05-24 13:30:33] [INFO ] [Nat]Absence check using state equation in 96 ms returned sat
[2026-05-24 13:30:33] [INFO ] [Nat]Added 32 Read/Feed constraints in 217 ms returned sat
[2026-05-24 13:30:33] [INFO ] Computed and/alt/rep : 193/1079/193 causal constraints (skipped 33 transitions) in 9 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:30:35] [INFO ] Deduced a trap composed of 8 places in 91 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:30:35] [INFO ] Deduced a trap composed of 10 places in 80 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:30:35] [INFO ] Deduced a trap composed of 14 places in 89 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:30:35] [INFO ] Deduced a trap composed of 14 places in 87 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:30:35] [INFO ] Deduced a trap composed of 34 places in 91 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:30:36] [INFO ] Deduced a trap composed of 35 places in 95 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:30:36] [INFO ] Deduced a trap composed of 30 places in 89 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:30:36] [INFO ] Deduced a trap composed of 55 places in 144 ms of which 67 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:30:36] [INFO ] Deduced a trap composed of 17 places in 87 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:30:36] [INFO ] Deduced a trap composed of 54 places in 109 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:30:36] [INFO ] Deduced a trap composed of 55 places in 116 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:30:37] [INFO ] Deduced a trap composed of 59 places in 110 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:30:37] [INFO ] Deduced a trap composed of 56 places in 121 ms of which 47 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:30:37] [INFO ] Deduced a trap composed of 57 places in 121 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:30:37] [INFO ] Deduced a trap composed of 61 places in 139 ms of which 61 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:30:37] [INFO ] Deduced a trap composed of 60 places in 105 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:30:37] [INFO ] Deduced a trap composed of 23 places in 91 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:30:38] [INFO ] Deduced a trap composed of 57 places in 139 ms of which 60 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:30:38] [INFO ] Deduced a trap composed of 58 places in 122 ms of which 57 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:30:38] [INFO ] Deduced a trap composed of 22 places in 87 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:30:38] [INFO ] Deduced a trap composed of 62 places in 137 ms of which 60 ms to minimize.
[2026-05-24 13:30:38] [INFO ] Trap strengthening (SAT) tested/added 22/21 trap constraints in 3515 ms
[2026-05-24 13:30:38] [INFO ] Added : 125 causal constraints over 25 iterations in 4911 ms. Result :sat
Minimization took 499 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:30:39] [INFO ] [Real]Absence check using 8 positive place invariants in 5 ms returned sat
[2026-05-24 13:30:39] [INFO ] [Real]Absence check using 8 positive and 23 generalized place invariants in 4 ms returned sat
[2026-05-24 13:30:39] [INFO ] [Real]Absence check using state equation in 94 ms returned sat
[2026-05-24 13:30:39] [INFO ] [Real]Added 32 Read/Feed constraints in 45 ms returned sat
[2026-05-24 13:30:39] [INFO ] Computed and/alt/rep : 193/1079/193 causal constraints (skipped 33 transitions) in 10 ms.
[2026-05-24 13:30:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:30:39] [INFO ] [Nat]Absence check using 8 positive place invariants in 5 ms returned sat
[2026-05-24 13:30:39] [INFO ] [Nat]Absence check using 8 positive and 23 generalized place invariants in 3 ms returned sat
[2026-05-24 13:30:39] [INFO ] [Nat]Absence check using state equation in 94 ms returned sat
[2026-05-24 13:30:39] [INFO ] [Nat]Added 32 Read/Feed constraints in 131 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:30:40] [INFO ] Deduced a trap composed of 28 places in 96 ms of which 17 ms to minimize.
[2026-05-24 13:30:40] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 124 ms
[2026-05-24 13:30:40] [INFO ] Computed and/alt/rep : 193/1079/193 causal constraints (skipped 33 transitions) in 13 ms.
[2026-05-24 13:30:42] [INFO ] Added : 171 causal constraints over 35 iterations in 2427 ms. Result :sat
Minimization took 627 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:30:43] [INFO ] [Real]Absence check using 8 positive place invariants in 6 ms returned sat
[2026-05-24 13:30:43] [INFO ] [Real]Absence check using 8 positive and 23 generalized place invariants in 6 ms returned sat
[2026-05-24 13:30:43] [INFO ] [Real]Absence check using state equation in 81 ms returned sat
[2026-05-24 13:30:43] [INFO ] [Real]Added 32 Read/Feed constraints in 131 ms returned sat
[2026-05-24 13:30:43] [INFO ] Computed and/alt/rep : 193/1079/193 causal constraints (skipped 33 transitions) in 10 ms.
[2026-05-24 13:30:43] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:30:43] [INFO ] [Nat]Absence check using 8 positive place invariants in 6 ms returned sat
[2026-05-24 13:30:43] [INFO ] [Nat]Absence check using 8 positive and 23 generalized place invariants in 11 ms returned sat
[2026-05-24 13:30:43] [INFO ] [Nat]Absence check using state equation in 80 ms returned sat
[2026-05-24 13:30:43] [INFO ] [Nat]Added 32 Read/Feed constraints in 217 ms returned sat
[2026-05-24 13:30:43] [INFO ] Computed and/alt/rep : 193/1079/193 causal constraints (skipped 33 transitions) in 10 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:30:45] [INFO ] Deduced a trap composed of 4 places in 66 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:30:45] [INFO ] Deduced a trap composed of 3 places in 65 ms of which 4 ms to minimize.
[2026-05-24 13:30:45] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 197 ms
[2026-05-24 13:30:45] [INFO ] Added : 144 causal constraints over 29 iterations in 1860 ms. Result :sat
Minimization took 487 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:30:46] [INFO ] [Real]Absence check using 8 positive place invariants in 6 ms returned sat
[2026-05-24 13:30:46] [INFO ] [Real]Absence check using 8 positive and 23 generalized place invariants in 11 ms returned sat
[2026-05-24 13:30:46] [INFO ] [Real]Absence check using state equation in 111 ms returned sat
[2026-05-24 13:30:46] [INFO ] [Real]Added 32 Read/Feed constraints in 73 ms returned sat
[2026-05-24 13:30:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:30:46] [INFO ] [Nat]Absence check using 8 positive place invariants in 6 ms returned sat
[2026-05-24 13:30:46] [INFO ] [Nat]Absence check using 8 positive and 23 generalized place invariants in 4 ms returned sat
[2026-05-24 13:30:46] [INFO ] [Nat]Absence check using state equation in 112 ms returned sat
[2026-05-24 13:30:46] [INFO ] [Nat]Added 32 Read/Feed constraints in 233 ms returned sat
[2026-05-24 13:30:46] [INFO ] Computed and/alt/rep : 193/1079/193 causal constraints (skipped 33 transitions) in 10 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:30:50] [INFO ] Deduced a trap composed of 14 places in 50 ms of which 5 ms to minimize.
[2026-05-24 13:30:50] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 89 ms
[2026-05-24 13:30:50] [INFO ] Added : 181 causal constraints over 37 iterations in 3849 ms. Result :sat
Minimization took 602 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:30:51] [INFO ] [Real]Absence check using 8 positive place invariants in 6 ms returned sat
[2026-05-24 13:30:51] [INFO ] [Real]Absence check using 8 positive and 23 generalized place invariants in 10 ms returned sat
[2026-05-24 13:30:51] [INFO ] [Real]Absence check using state equation in 77 ms returned sat
[2026-05-24 13:30:51] [INFO ] [Real]Added 32 Read/Feed constraints in 206 ms returned sat
[2026-05-24 13:30:51] [INFO ] Computed and/alt/rep : 193/1079/193 causal constraints (skipped 33 transitions) in 10 ms.
[2026-05-24 13:30:51] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:30:51] [INFO ] [Nat]Absence check using 8 positive place invariants in 6 ms returned sat
[2026-05-24 13:30:51] [INFO ] [Nat]Absence check using 8 positive and 23 generalized place invariants in 4 ms returned sat
[2026-05-24 13:30:51] [INFO ] [Nat]Absence check using state equation in 72 ms returned sat
[2026-05-24 13:30:52] [INFO ] [Nat]Added 32 Read/Feed constraints in 229 ms returned sat
[2026-05-24 13:30:52] [INFO ] Computed and/alt/rep : 193/1079/193 causal constraints (skipped 33 transitions) in 10 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:30:54] [INFO ] Deduced a trap composed of 10 places in 78 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:30:55] [INFO ] Deduced a trap composed of 10 places in 94 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:30:55] [INFO ] Deduced a trap composed of 14 places in 89 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:30:55] [INFO ] Deduced a trap composed of 14 places in 84 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:30:55] [INFO ] Deduced a trap composed of 30 places in 88 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:30:55] [INFO ] Deduced a trap composed of 28 places in 85 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:30:55] [INFO ] Deduced a trap composed of 33 places in 89 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:30:55] [INFO ] Deduced a trap composed of 55 places in 102 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:30:55] [INFO ] Deduced a trap composed of 55 places in 101 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:30:56] [INFO ] Deduced a trap composed of 57 places in 111 ms of which 37 ms to minimize.
[2026-05-24 13:30:56] [INFO ] Trap strengthening (SAT) tested/added 11/10 trap constraints in 1254 ms
[2026-05-24 13:30:56] [INFO ] Added : 185 causal constraints over 37 iterations in 3927 ms. Result :sat
Minimization took 596 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:30:56] [INFO ] [Real]Absence check using 8 positive place invariants in 6 ms returned sat
[2026-05-24 13:30:56] [INFO ] [Real]Absence check using 8 positive and 23 generalized place invariants in 5 ms returned sat
[2026-05-24 13:30:56] [INFO ] [Real]Absence check using state equation in 95 ms returned sat
[2026-05-24 13:30:56] [INFO ] [Real]Added 32 Read/Feed constraints in 102 ms returned sat
[2026-05-24 13:30:56] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:30:57] [INFO ] [Nat]Absence check using 8 positive place invariants in 5 ms returned sat
[2026-05-24 13:30:57] [INFO ] [Nat]Absence check using 8 positive and 23 generalized place invariants in 4 ms returned sat
[2026-05-24 13:30:57] [INFO ] [Nat]Absence check using state equation in 90 ms returned sat
[2026-05-24 13:30:57] [INFO ] [Nat]Added 32 Read/Feed constraints in 80 ms returned sat
[2026-05-24 13:30:57] [INFO ] Computed and/alt/rep : 193/1079/193 causal constraints (skipped 33 transitions) in 12 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:30:58] [INFO ] Deduced a trap composed of 8 places in 68 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:30:58] [INFO ] Deduced a trap composed of 10 places in 61 ms of which 5 ms to minimize.
[2026-05-24 13:30:59] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 208 ms
[2026-05-24 13:30:59] [INFO ] Added : 115 causal constraints over 23 iterations in 1811 ms. Result :sat
Minimization took 522 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:30:59] [INFO ] [Real]Absence check using 8 positive place invariants in 6 ms returned sat
[2026-05-24 13:30:59] [INFO ] [Real]Absence check using 8 positive and 23 generalized place invariants in 4 ms returned sat
[2026-05-24 13:30:59] [INFO ] [Real]Absence check using state equation in 78 ms returned sat
[2026-05-24 13:30:59] [INFO ] [Real]Added 32 Read/Feed constraints in 88 ms returned sat
[2026-05-24 13:30:59] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:30:59] [INFO ] [Nat]Absence check using 8 positive place invariants in 6 ms returned sat
[2026-05-24 13:30:59] [INFO ] [Nat]Absence check using 8 positive and 23 generalized place invariants in 4 ms returned sat
[2026-05-24 13:30:59] [INFO ] [Nat]Absence check using state equation in 80 ms returned sat
[2026-05-24 13:31:00] [INFO ] [Nat]Added 32 Read/Feed constraints in 100 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:00] [INFO ] Deduced a trap composed of 22 places in 97 ms of which 13 ms to minimize.
[2026-05-24 13:31:00] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 115 ms
[2026-05-24 13:31:00] [INFO ] Computed and/alt/rep : 193/1079/193 causal constraints (skipped 33 transitions) in 10 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:01] [INFO ] Deduced a trap composed of 10 places in 91 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:01] [INFO ] Deduced a trap composed of 13 places in 90 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:01] [INFO ] Deduced a trap composed of 14 places in 86 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:01] [INFO ] Deduced a trap composed of 14 places in 96 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:01] [INFO ] Deduced a trap composed of 14 places in 87 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:01] [INFO ] Deduced a trap composed of 15 places in 90 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:01] [INFO ] Deduced a trap composed of 16 places in 93 ms of which 11 ms to minimize.
[2026-05-24 13:31:01] [INFO ] Trap strengthening (SAT) tested/added 8/7 trap constraints in 1062 ms
[2026-05-24 13:31:02] [INFO ] Added : 94 causal constraints over 20 iterations in 1930 ms. Result :sat
Minimization took 442 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:31:02] [INFO ] [Real]Absence check using 8 positive place invariants in 5 ms returned sat
[2026-05-24 13:31:02] [INFO ] [Real]Absence check using 8 positive and 23 generalized place invariants in 11 ms returned sat
[2026-05-24 13:31:02] [INFO ] [Real]Absence check using state equation in 64 ms returned sat
[2026-05-24 13:31:02] [INFO ] [Real]Added 32 Read/Feed constraints in 32 ms returned sat
[2026-05-24 13:31:02] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:31:02] [INFO ] [Nat]Absence check using 8 positive place invariants in 5 ms returned sat
[2026-05-24 13:31:02] [INFO ] [Nat]Absence check using 8 positive and 23 generalized place invariants in 4 ms returned sat
[2026-05-24 13:31:02] [INFO ] [Nat]Absence check using state equation in 63 ms returned sat
[2026-05-24 13:31:02] [INFO ] [Nat]Added 32 Read/Feed constraints in 68 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:03] [INFO ] Deduced a trap composed of 50 places in 106 ms of which 23 ms to minimize.
[2026-05-24 13:31:03] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 129 ms
[2026-05-24 13:31:03] [INFO ] Computed and/alt/rep : 193/1079/193 causal constraints (skipped 33 transitions) in 10 ms.
[2026-05-24 13:31:03] [INFO ] Added : 40 causal constraints over 8 iterations in 342 ms. Result :sat
Minimization took 323 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:31:03] [INFO ] [Real]Absence check using 8 positive place invariants in 6 ms returned sat
[2026-05-24 13:31:03] [INFO ] [Real]Absence check using 8 positive and 23 generalized place invariants in 4 ms returned sat
[2026-05-24 13:31:03] [INFO ] [Real]Absence check using state equation in 78 ms returned sat
[2026-05-24 13:31:03] [INFO ] [Real]Added 32 Read/Feed constraints in 76 ms returned sat
[2026-05-24 13:31:03] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:31:03] [INFO ] [Nat]Absence check using 8 positive place invariants in 6 ms returned sat
[2026-05-24 13:31:03] [INFO ] [Nat]Absence check using 8 positive and 23 generalized place invariants in 4 ms returned sat
[2026-05-24 13:31:04] [INFO ] [Nat]Absence check using state equation in 79 ms returned sat
[2026-05-24 13:31:04] [INFO ] [Nat]Added 32 Read/Feed constraints in 104 ms returned sat
[2026-05-24 13:31:04] [INFO ] Computed and/alt/rep : 193/1079/193 causal constraints (skipped 33 transitions) in 11 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:05] [INFO ] Deduced a trap composed of 8 places in 84 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:05] [INFO ] Deduced a trap composed of 14 places in 99 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:05] [INFO ] Deduced a trap composed of 53 places in 101 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:05] [INFO ] Deduced a trap composed of 56 places in 107 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:05] [INFO ] Deduced a trap composed of 53 places in 98 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:05] [INFO ] Deduced a trap composed of 56 places in 102 ms of which 27 ms to minimize.
[2026-05-24 13:31:05] [INFO ] Trap strengthening (SAT) tested/added 7/6 trap constraints in 892 ms
[2026-05-24 13:31:06] [INFO ] Added : 108 causal constraints over 22 iterations in 1883 ms. Result :sat
Minimization took 452 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:31:06] [INFO ] [Real]Absence check using 8 positive place invariants in 6 ms returned sat
[2026-05-24 13:31:06] [INFO ] [Real]Absence check using 8 positive and 23 generalized place invariants in 8 ms returned sat
[2026-05-24 13:31:06] [INFO ] [Real]Absence check using state equation in 125 ms returned sat
[2026-05-24 13:31:06] [INFO ] [Real]Added 32 Read/Feed constraints in 53 ms returned sat
[2026-05-24 13:31:06] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:31:06] [INFO ] [Nat]Absence check using 8 positive place invariants in 5 ms returned sat
[2026-05-24 13:31:06] [INFO ] [Nat]Absence check using 8 positive and 23 generalized place invariants in 4 ms returned sat
[2026-05-24 13:31:06] [INFO ] [Nat]Absence check using state equation in 157 ms returned sat
[2026-05-24 13:31:07] [INFO ] [Nat]Added 32 Read/Feed constraints in 140 ms returned sat
[2026-05-24 13:31:07] [INFO ] Computed and/alt/rep : 193/1079/193 causal constraints (skipped 33 transitions) in 10 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:09] [INFO ] Deduced a trap composed of 14 places in 56 ms of which 5 ms to minimize.
[2026-05-24 13:31:10] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 105 ms
[2026-05-24 13:31:10] [INFO ] Added : 187 causal constraints over 38 iterations in 2930 ms. Result :sat
Minimization took 523 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:31:10] [INFO ] [Real]Absence check using 8 positive place invariants in 5 ms returned sat
[2026-05-24 13:31:10] [INFO ] [Real]Absence check using 8 positive and 23 generalized place invariants in 4 ms returned sat
[2026-05-24 13:31:10] [INFO ] [Real]Absence check using state equation in 94 ms returned sat
[2026-05-24 13:31:10] [INFO ] [Real]Added 32 Read/Feed constraints in 135 ms returned sat
[2026-05-24 13:31:10] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:31:10] [INFO ] [Nat]Absence check using 8 positive place invariants in 5 ms returned sat
[2026-05-24 13:31:10] [INFO ] [Nat]Absence check using 8 positive and 23 generalized place invariants in 5 ms returned sat
[2026-05-24 13:31:11] [INFO ] [Nat]Absence check using state equation in 94 ms returned sat
[2026-05-24 13:31:11] [INFO ] [Nat]Added 32 Read/Feed constraints in 185 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:11] [INFO ] Deduced a trap composed of 21 places in 89 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:11] [INFO ] Deduced a trap composed of 19 places in 94 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:11] [INFO ] Deduced a trap composed of 22 places in 92 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:11] [INFO ] Deduced a trap composed of 14 places in 93 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:11] [INFO ] Deduced a trap composed of 10 places in 78 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:11] [INFO ] Deduced a trap composed of 10 places in 89 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:12] [INFO ] Deduced a trap composed of 46 places in 137 ms of which 56 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:12] [INFO ] Deduced a trap composed of 47 places in 131 ms of which 42 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:12] [INFO ] Deduced a trap composed of 35 places in 87 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:12] [INFO ] Deduced a trap composed of 27 places in 88 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:12] [INFO ] Deduced a trap composed of 28 places in 82 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:12] [INFO ] Deduced a trap composed of 30 places in 95 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:12] [INFO ] Deduced a trap composed of 36 places in 97 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:13] [INFO ] Deduced a trap composed of 49 places in 123 ms of which 46 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:13] [INFO ] Deduced a trap composed of 50 places in 122 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:13] [INFO ] Deduced a trap composed of 50 places in 123 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:13] [INFO ] Deduced a trap composed of 51 places in 113 ms of which 36 ms to minimize.
[2026-05-24 13:31:13] [INFO ] Trap strengthening (SAT) tested/added 18/17 trap constraints in 2298 ms
[2026-05-24 13:31:13] [INFO ] Computed and/alt/rep : 193/1079/193 causal constraints (skipped 33 transitions) in 14 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:15] [INFO ] Deduced a trap composed of 8 places in 83 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:15] [INFO ] Deduced a trap composed of 34 places in 95 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:15] [INFO ] Deduced a trap composed of 55 places in 123 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:15] [INFO ] Deduced a trap composed of 58 places in 129 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:15] [INFO ] Deduced a trap composed of 56 places in 114 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:15] [INFO ] Deduced a trap composed of 56 places in 110 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:16] [INFO ] Deduced a trap composed of 55 places in 128 ms of which 57 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:16] [INFO ] Deduced a trap composed of 59 places in 134 ms of which 61 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:16] [INFO ] Deduced a trap composed of 53 places in 129 ms of which 52 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:16] [INFO ] Deduced a trap composed of 54 places in 129 ms of which 55 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:16] [INFO ] Deduced a trap composed of 57 places in 118 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:17] [INFO ] Deduced a trap composed of 53 places in 266 ms of which 186 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:17] [INFO ] Deduced a trap composed of 54 places in 133 ms of which 60 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:17] [INFO ] Deduced a trap composed of 56 places in 121 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:17] [INFO ] Deduced a trap composed of 57 places in 167 ms of which 93 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:17] [INFO ] Deduced a trap composed of 55 places in 130 ms of which 52 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:18] [INFO ] Deduced a trap composed of 56 places in 206 ms of which 131 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:18] [INFO ] Deduced a trap composed of 58 places in 111 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:18] [INFO ] Deduced a trap composed of 59 places in 117 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:18] [INFO ] Deduced a trap composed of 58 places in 115 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:19] [INFO ] Deduced a trap composed of 58 places in 115 ms of which 36 ms to minimize.
[2026-05-24 13:31:19] [INFO ] Trap strengthening (SAT) tested/added 22/21 trap constraints in 4069 ms
[2026-05-24 13:31:19] [INFO ] Added : 125 causal constraints over 25 iterations in 5637 ms. Result :sat
Minimization took 468 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:31:19] [INFO ] [Real]Absence check using 8 positive place invariants in 5 ms returned sat
[2026-05-24 13:31:19] [INFO ] [Real]Absence check using 8 positive and 23 generalized place invariants in 4 ms returned sat
[2026-05-24 13:31:19] [INFO ] [Real]Absence check using state equation in 131 ms returned sat
[2026-05-24 13:31:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:31:19] [INFO ] [Nat]Absence check using 8 positive place invariants in 5 ms returned sat
[2026-05-24 13:31:19] [INFO ] [Nat]Absence check using 8 positive and 23 generalized place invariants in 8 ms returned sat
[2026-05-24 13:31:20] [INFO ] [Nat]Absence check using state equation in 134 ms returned sat
[2026-05-24 13:31:20] [INFO ] [Nat]Added 32 Read/Feed constraints in 730 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:20] [INFO ] Deduced a trap composed of 14 places in 84 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:20] [INFO ] Deduced a trap composed of 14 places in 87 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:21] [INFO ] Deduced a trap composed of 55 places in 110 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:21] [INFO ] Deduced a trap composed of 56 places in 101 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:21] [INFO ] Deduced a trap composed of 56 places in 97 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:21] [INFO ] Deduced a trap composed of 57 places in 97 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:21] [INFO ] Deduced a trap composed of 56 places in 89 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:21] [INFO ] Deduced a trap composed of 57 places in 94 ms of which 21 ms to minimize.
[2026-05-24 13:31:21] [INFO ] Trap strengthening (SAT) tested/added 9/8 trap constraints in 1154 ms
[2026-05-24 13:31:21] [INFO ] Computed and/alt/rep : 193/1079/193 causal constraints (skipped 33 transitions) in 11 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:25] [INFO ] Deduced a trap composed of 14 places in 84 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:25] [INFO ] Deduced a trap composed of 15 places in 83 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:25] [INFO ] Deduced a trap composed of 16 places in 90 ms of which 12 ms to minimize.
[2026-05-24 13:31:25] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 548 ms
[2026-05-24 13:31:25] [INFO ] Added : 146 causal constraints over 30 iterations in 3737 ms. Result :sat
Minimization took 498 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, +inf, 1, 1, 1, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, +inf, 1, 1, 1, +inf]
Support contains 13 out of 223 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 223/223 places, 227/227 transitions.
Applied a total of 0 rules in 11 ms. Remains 223 /223 variables (removed 0) and now considering 227/227 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 223/223 places, 227/227 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 223/223 places, 227/227 transitions.
Applied a total of 0 rules in 7 ms. Remains 223 /223 variables (removed 0) and now considering 227/227 (removed 0) transitions.
[2026-05-24 13:31:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:31:52] [INFO ] Implicit Places using invariants in 306 ms returned []
[2026-05-24 13:31:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:31:52] [INFO ] State equation strengthened by 32 read => feed constraints.
[2026-05-24 13:31:53] [INFO ] Implicit Places using invariants and state equation in 1740 ms returned []
Implicit Place search using SMT with State Equation took 2047 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 13:31:53] [INFO ] Redundant transitions in 14 ms returned []
Running 226 sub problems to find dead transitions.
[2026-05-24 13:31:53] [INFO ] Invariant cache hit.
[2026-05-24 13:31:53] [INFO ] State equation strengthened by 32 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/222 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/222 variables, 23/25 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/222 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 3 (OVERLAPS) 1/223 variables, 6/31 constraints. Problems are: Problem set: 0 solved, 226 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:57] [INFO ] Deduced a trap composed of 93 places in 87 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:57] [INFO ] Deduced a trap composed of 94 places in 84 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:58] [INFO ] Deduced a trap composed of 74 places in 100 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:58] [INFO ] Deduced a trap composed of 71 places in 93 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:58] [INFO ] Deduced a trap composed of 48 places in 85 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:58] [INFO ] Deduced a trap composed of 80 places in 80 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:58] [INFO ] Deduced a trap composed of 81 places in 85 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:58] [INFO ] Deduced a trap composed of 69 places in 89 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:58] [INFO ] Deduced a trap composed of 70 places in 82 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:58] [INFO ] Deduced a trap composed of 82 places in 81 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:59] [INFO ] Deduced a trap composed of 52 places in 88 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:59] [INFO ] Deduced a trap composed of 34 places in 84 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:31:59] [INFO ] Deduced a trap composed of 46 places in 96 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:32:00] [INFO ] Deduced a trap composed of 66 places in 87 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:32:00] [INFO ] Deduced a trap composed of 51 places in 91 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:32:00] [INFO ] Deduced a trap composed of 72 places in 84 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:32:00] [INFO ] Deduced a trap composed of 74 places in 90 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:32:00] [INFO ] Deduced a trap composed of 86 places in 83 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:32:00] [INFO ] Deduced a trap composed of 88 places in 81 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:32:00] [INFO ] Deduced a trap composed of 83 places in 76 ms of which 7 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/223 variables, 20/51 constraints. Problems are: Problem set: 0 solved, 226 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:32:01] [INFO ] Deduced a trap composed of 75 places in 95 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:32:01] [INFO ] Deduced a trap composed of 83 places in 70 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:32:01] [INFO ] Deduced a trap composed of 73 places in 86 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:32:02] [INFO ] Deduced a trap composed of 87 places in 90 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:32:02] [INFO ] Deduced a trap composed of 99 places in 82 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:32:02] [INFO ] Deduced a trap composed of 81 places in 88 ms of which 21 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/223 variables, 6/57 constraints. Problems are: Problem set: 0 solved, 226 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:32:03] [INFO ] Deduced a trap composed of 61 places in 83 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:32:04] [INFO ] Deduced a trap composed of 99 places in 80 ms of which 14 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/223 variables, 2/59 constraints. Problems are: Problem set: 0 solved, 226 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:32:05] [INFO ] Deduced a trap composed of 74 places in 86 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:32:05] [INFO ] Deduced a trap composed of 83 places in 86 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:32:06] [INFO ] Deduced a trap composed of 77 places in 85 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:32:06] [INFO ] Deduced a trap composed of 80 places in 82 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:32:07] [INFO ] Deduced a trap composed of 74 places in 87 ms of which 19 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/223 variables, 5/64 constraints. Problems are: Problem set: 0 solved, 226 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:32:07] [INFO ] Deduced a trap composed of 74 places in 94 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:32:08] [INFO ] Deduced a trap composed of 33 places in 83 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:32:08] [INFO ] Deduced a trap composed of 40 places in 82 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:32:08] [INFO ] Deduced a trap composed of 40 places in 84 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:32:08] [INFO ] Deduced a trap composed of 42 places in 92 ms of which 16 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/223 variables, 5/69 constraints. Problems are: Problem set: 0 solved, 226 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:32:09] [INFO ] Deduced a trap composed of 68 places in 87 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:32:09] [INFO ] Deduced a trap composed of 72 places in 83 ms of which 18 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/223 variables, 2/71 constraints. Problems are: Problem set: 0 solved, 226 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:32:12] [INFO ] Deduced a trap composed of 86 places in 90 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:32:12] [INFO ] Deduced a trap composed of 78 places in 80 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:32:12] [INFO ] Deduced a trap composed of 90 places in 85 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:32:13] [INFO ] Deduced a trap composed of 73 places in 92 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:32:13] [INFO ] Deduced a trap composed of 73 places in 88 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:32:13] [INFO ] Deduced a trap composed of 79 places in 85 ms of which 14 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/223 variables, 6/77 constraints. Problems are: Problem set: 0 solved, 226 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:32:14] [INFO ] Deduced a trap composed of 74 places in 91 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:32:14] [INFO ] Deduced a trap composed of 76 places in 82 ms of which 21 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/223 variables, 2/79 constraints. Problems are: Problem set: 0 solved, 226 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:32:16] [INFO ] Deduced a trap composed of 75 places in 92 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:32:16] [INFO ] Deduced a trap composed of 66 places in 96 ms of which 25 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/223 variables, 2/81 constraints. Problems are: Problem set: 0 solved, 226 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:32:19] [INFO ] Deduced a trap composed of 75 places in 85 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:32:19] [INFO ] Deduced a trap composed of 76 places in 90 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:32:19] [INFO ] Deduced a trap composed of 68 places in 95 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:32:19] [INFO ] Deduced a trap composed of 70 places in 90 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:32:20] [INFO ] Deduced a trap composed of 82 places in 91 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:32:20] [INFO ] Deduced a trap composed of 14 places in 74 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:32:20] [INFO ] Deduced a trap composed of 83 places in 84 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:32:20] [INFO ] Deduced a trap composed of 89 places in 78 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:32:20] [INFO ] Deduced a trap composed of 86 places in 80 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:32:20] [INFO ] Deduced a trap composed of 87 places in 89 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:32:20] [INFO ] Deduced a trap composed of 80 places in 89 ms of which 21 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/223 variables, 11/92 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/223 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 15 (OVERLAPS) 227/450 variables, 223/315 constraints. Problems are: Problem set: 0 solved, 226 unsolved
SMT process timed out in 30113ms, After SMT, problems are : Problem set: 0 solved, 226 unsolved
Search for dead transitions found 0 dead transitions in 30119ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 32203 ms. Remains : 223/223 places, 227/227 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {28=1, 50=1, 53=2, 54=2, 69=1, 102=1, 118=2, 126=1, 186=1, 200=1, 203=1, 210=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {28=1, 50=1, 69=1, 102=1, 126=1, 186=1, 203=1, 210=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 1429 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 13) seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, +inf, 1, 1, 1, +inf]
RANDOM walk for 40000 steps (5796 resets) in 1007 ms. (39 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4001 steps (388 resets) in 88 ms. (44 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4001 steps (356 resets) in 57 ms. (68 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4002 steps (392 resets) in 34 ms. (114 steps per ms) remains 24/24 properties
[2026-05-24 13:33:55] [INFO ] Flatten gal took : 85 ms
BEST_FIRST walk for 4003 steps (379 resets) in 82 ms. (48 steps per ms) remains 24/24 properties
[2026-05-24 13:33:55] [INFO ] Flatten gal took : 37 ms
BEST_FIRST walk for 4001 steps (354 resets) in 49 ms. (80 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4001 steps (360 resets) in 16 ms. (235 steps per ms) remains 24/24 properties
[2026-05-24 13:33:55] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4852088832043819885.gal : 12 ms
[2026-05-24 13:33:55] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16948952639739894181.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality4852088832043819885.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16948952639739894181.prop' '--nowitness' '--gen-order' 'FOLLOW'

BEST_FIRST walk for 4003 steps (374 resets) in 49 ms. (80 steps per ms) remains 24/24 properties
its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
BEST_FIRST walk for 4001 steps (355 resets) in 29 ms. (133 steps per ms) remains 24/24 properties
Loading property file /tmp/ReachabilityCardinality16948952639739894181.prop.
BEST_FIRST walk for 4001 steps (374 resets) in 36 ms. (108 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4002 steps (384 resets) in 21 ms. (181 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4002 steps (377 resets) in 30 ms. (129 steps per ms) remains 24/24 properties
SDD proceeding with computation,24 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,24 properties remain. new max is 8
SDD size :2 after 6
SDD proceeding with computation,24 properties remain. new max is 16
SDD size :6 after 11
SDD proceeding with computation,24 properties remain. new max is 32
SDD size :11 after 14
SDD proceeding with computation,24 properties remain. new max is 64
SDD size :14 after 32
BEST_FIRST walk for 4001 steps (351 resets) in 25 ms. (153 steps per ms) remains 24/24 properties
SDD proceeding with computation,24 properties remain. new max is 128
SDD size :32 after 40
SDD proceeding with computation,24 properties remain. new max is 256
SDD size :40 after 117
BEST_FIRST walk for 4001 steps (372 resets) in 22 ms. (173 steps per ms) remains 24/24 properties
SDD proceeding with computation,24 properties remain. new max is 512
SDD size :117 after 230
SDD proceeding with computation,24 properties remain. new max is 1024
BEST_FIRST walk for 4000 steps (370 resets) in 31 ms. (125 steps per ms) remains 24/24 properties
SDD size :230 after 487
BEST_FIRST walk for 4002 steps (353 resets) in 18 ms. (210 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4001 steps (378 resets) in 28 ms. (137 steps per ms) remains 24/24 properties
SDD proceeding with computation,24 properties remain. new max is 2048
SDD size :487 after 1092
BEST_FIRST walk for 4000 steps (367 resets) in 23 ms. (166 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4002 steps (372 resets) in 32 ms. (121 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4003 steps (354 resets) in 24 ms. (160 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4001 steps (355 resets) in 23 ms. (166 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4000 steps (360 resets) in 19 ms. (200 steps per ms) remains 24/24 properties
Invariant property MIN8 does not hold.
SDD proceeding with computation,23 properties remain. new max is 2048
SDD size :1092 after 9071
BEST_FIRST walk for 4003 steps (363 resets) in 20 ms. (190 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4002 steps (362 resets) in 30 ms. (129 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4003 steps (362 resets) in 26 ms. (148 steps per ms) remains 24/24 properties
SDD proceeding with computation,23 properties remain. new max is 4096
SDD size :9071 after 19971
SDD proceeding with computation,23 properties remain. new max is 8192
SDD size :19971 after 35060
SDD proceeding with computation,23 properties remain. new max is 16384
SDD size :35060 after 69163
SDD proceeding with computation,23 properties remain. new max is 32768
SDD size :69163 after 163863
SDD proceeding with computation,23 properties remain. new max is 65536
SDD size :163863 after 349856
Interrupted probabilistic random walk after 196232 steps, run timeout after 3001 ms. (steps per millisecond=65 ) properties seen :1 out of 24
Probabilistic random walk after 196232 steps, saw 98134 distinct states, run finished after 3007 ms. (steps per millisecond=65 ) properties seen :1
[2026-05-24 13:33:58] [INFO ] Invariant cache hit.
[2026-05-24 13:33:58] [INFO ] State equation strengthened by 32 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 1 (OVERLAPS) 137/149 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/149 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 3 (OVERLAPS) 69/218 variables, 23/29 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 5 (OVERLAPS) 227/445 variables, 218/247 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/445 variables, 32/279 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/445 variables, 0/279 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 8 (OVERLAPS) 5/450 variables, 5/284 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/450 variables, 2/286 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/450 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 11 (OVERLAPS) 0/450 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 23 unsolved
No progress, stopping.
After SMT solving in domain Real declared 450/450 variables, and 286 constraints, problems are : Problem set: 0 solved, 23 unsolved in 1270 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 23/23 constraints, State Equation: 223/223 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 23/23 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 23 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 1 (OVERLAPS) 137/149 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 23 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:33:59] [INFO ] Deduced a trap composed of 3 places in 61 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/149 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/149 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 4 (OVERLAPS) 69/218 variables, 23/30 constraints. Problems are: Problem set: 0 solved, 23 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:00] [INFO ] Deduced a trap composed of 4 places in 92 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:00] [INFO ] Deduced a trap composed of 6 places in 70 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:00] [INFO ] Deduced a trap composed of 7 places in 72 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:00] [INFO ] Deduced a trap composed of 10 places in 67 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:00] [INFO ] Deduced a trap composed of 10 places in 65 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:00] [INFO ] Deduced a trap composed of 10 places in 89 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:00] [INFO ] Deduced a trap composed of 14 places in 86 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:00] [INFO ] Deduced a trap composed of 14 places in 91 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,23 properties remain. new max is 131072
SDD size :349856 after 736084
[2026-05-24 13:34:00] [INFO ] Deduced a trap composed of 14 places in 112 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:01] [INFO ] Deduced a trap composed of 15 places in 95 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:01] [INFO ] Deduced a trap composed of 17 places in 87 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:01] [INFO ] Deduced a trap composed of 16 places in 89 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:01] [INFO ] Deduced a trap composed of 17 places in 90 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:01] [INFO ] Deduced a trap composed of 21 places in 91 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:01] [INFO ] Deduced a trap composed of 22 places in 85 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:01] [INFO ] Deduced a trap composed of 24 places in 90 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:01] [INFO ] Deduced a trap composed of 24 places in 90 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:01] [INFO ] Deduced a trap composed of 30 places in 87 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:01] [INFO ] Deduced a trap composed of 32 places in 95 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:02] [INFO ] Deduced a trap composed of 33 places in 104 ms of which 19 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/218 variables, 20/50 constraints. Problems are: Problem set: 0 solved, 23 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:02] [INFO ] Deduced a trap composed of 30 places in 101 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:02] [INFO ] Deduced a trap composed of 52 places in 102 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:02] [INFO ] Deduced a trap composed of 54 places in 103 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:02] [INFO ] Deduced a trap composed of 34 places in 100 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:02] [INFO ] Deduced a trap composed of 37 places in 103 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:02] [INFO ] Deduced a trap composed of 34 places in 104 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:02] [INFO ] Deduced a trap composed of 55 places in 103 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:02] [INFO ] Deduced a trap composed of 57 places in 101 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:03] [INFO ] Deduced a trap composed of 55 places in 128 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:03] [INFO ] Deduced a trap composed of 57 places in 151 ms of which 70 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:03] [INFO ] Deduced a trap composed of 16 places in 91 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:03] [INFO ] Deduced a trap composed of 36 places in 111 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:03] [INFO ] Deduced a trap composed of 39 places in 118 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:03] [INFO ] Deduced a trap composed of 47 places in 156 ms of which 71 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:03] [INFO ] Deduced a trap composed of 28 places in 95 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:04] [INFO ] Deduced a trap composed of 47 places in 154 ms of which 75 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:04] [INFO ] Deduced a trap composed of 50 places in 128 ms of which 47 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:04] [INFO ] Deduced a trap composed of 50 places in 162 ms of which 81 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:04] [INFO ] Deduced a trap composed of 47 places in 139 ms of which 64 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:04] [INFO ] Deduced a trap composed of 28 places in 86 ms of which 16 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/218 variables, 20/70 constraints. Problems are: Problem set: 0 solved, 23 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:04] [INFO ] Deduced a trap composed of 53 places in 102 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:04] [INFO ] Deduced a trap composed of 23 places in 86 ms of which 15 ms to minimize.
SMT process timed out in 6363ms, After SMT, problems are : Problem set: 0 solved, 23 unsolved
Fused 23 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1 ms.
Support contains 12 out of 223 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 223/223 places, 227/227 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 223 transition count 226
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 222 transition count 226
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 4 place count 221 transition count 226
Applied a total of 4 rules in 12 ms. Remains 221 /223 variables (removed 2) and now considering 226/227 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 221/223 places, 226/227 transitions.
RANDOM walk for 40000 steps (5752 resets) in 678 ms. (58 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4001 steps (365 resets) in 25 ms. (153 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4002 steps (366 resets) in 29 ms. (133 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4001 steps (373 resets) in 37 ms. (105 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4002 steps (347 resets) in 39 ms. (100 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4003 steps (350 resets) in 34 ms. (114 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4001 steps (369 resets) in 22 ms. (173 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4000 steps (368 resets) in 26 ms. (148 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4002 steps (366 resets) in 22 ms. (174 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4000 steps (376 resets) in 21 ms. (181 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4001 steps (355 resets) in 18 ms. (210 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4002 steps (356 resets) in 19 ms. (200 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4001 steps (373 resets) in 27 ms. (142 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4000 steps (357 resets) in 22 ms. (173 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4001 steps (365 resets) in 23 ms. (166 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4001 steps (365 resets) in 18 ms. (210 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4003 steps (355 resets) in 20 ms. (190 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4003 steps (356 resets) in 23 ms. (166 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4002 steps (342 resets) in 20 ms. (190 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4002 steps (378 resets) in 23 ms. (166 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4002 steps (379 resets) in 22 ms. (174 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4001 steps (368 resets) in 19 ms. (200 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4001 steps (361 resets) in 21 ms. (181 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4002 steps (369 resets) in 18 ms. (210 steps per ms) remains 23/23 properties
Interrupted probabilistic random walk after 223113 steps, run timeout after 3001 ms. (steps per millisecond=74 ) properties seen :0 out of 23
Probabilistic random walk after 223113 steps, saw 111576 distinct states, run finished after 3001 ms. (steps per millisecond=74 ) properties seen :0
// Phase 1: matrix 226 rows 221 cols
[2026-05-24 13:34:08] [INFO ] Computed 31 invariants in 9 ms
[2026-05-24 13:34:08] [INFO ] State equation strengthened by 35 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 1 (OVERLAPS) 151/163 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/163 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 3 (OVERLAPS) 53/216 variables, 18/29 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/216 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 5 (OVERLAPS) 226/442 variables, 216/245 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/442 variables, 35/280 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/442 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 8 (OVERLAPS) 5/447 variables, 5/285 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/447 variables, 2/287 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/447 variables, 0/287 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 11 (OVERLAPS) 0/447 variables, 0/287 constraints. Problems are: Problem set: 0 solved, 23 unsolved
No progress, stopping.
After SMT solving in domain Real declared 447/447 variables, and 287 constraints, problems are : Problem set: 0 solved, 23 unsolved in 1228 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 221/221 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 23/23 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 23 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 1 (OVERLAPS) 151/163 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 23 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:09] [INFO ] Deduced a trap composed of 57 places in 94 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:09] [INFO ] Deduced a trap composed of 70 places in 82 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:09] [INFO ] Deduced a trap composed of 70 places in 86 ms of which 18 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/163 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/163 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 4 (OVERLAPS) 53/216 variables, 18/32 constraints. Problems are: Problem set: 0 solved, 23 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:10] [INFO ] Deduced a trap composed of 4 places in 78 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:10] [INFO ] Deduced a trap composed of 7 places in 65 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,23 properties remain. new max is 262144
[2026-05-24 13:34:10] [INFO ] Deduced a trap composed of 9 places in 90 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:10] [INFO ] Deduced a trap composed of 9 places in 91 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD size :736084 after 1.27357e+08
[2026-05-24 13:34:10] [INFO ] Deduced a trap composed of 10 places in 86 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:10] [INFO ] Deduced a trap composed of 10 places in 91 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:10] [INFO ] Deduced a trap composed of 10 places in 89 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:10] [INFO ] Deduced a trap composed of 12 places in 86 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:11] [INFO ] Deduced a trap composed of 13 places in 90 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:11] [INFO ] Deduced a trap composed of 13 places in 85 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:11] [INFO ] Deduced a trap composed of 15 places in 87 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:11] [INFO ] Deduced a trap composed of 16 places in 87 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:11] [INFO ] Deduced a trap composed of 18 places in 89 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:11] [INFO ] Deduced a trap composed of 19 places in 91 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:11] [INFO ] Deduced a trap composed of 20 places in 87 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:11] [INFO ] Deduced a trap composed of 20 places in 87 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:11] [INFO ] Deduced a trap composed of 21 places in 88 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:11] [INFO ] Deduced a trap composed of 20 places in 86 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:11] [INFO ] Deduced a trap composed of 21 places in 86 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:12] [INFO ] Deduced a trap composed of 22 places in 93 ms of which 14 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/216 variables, 20/52 constraints. Problems are: Problem set: 0 solved, 23 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:12] [INFO ] Deduced a trap composed of 23 places in 45 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:12] [INFO ] Deduced a trap composed of 23 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:12] [INFO ] Deduced a trap composed of 27 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:12] [INFO ] Deduced a trap composed of 29 places in 91 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:12] [INFO ] Deduced a trap composed of 31 places in 91 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:12] [INFO ] Deduced a trap composed of 52 places in 101 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:12] [INFO ] Deduced a trap composed of 16 places in 82 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:12] [INFO ] Deduced a trap composed of 59 places in 111 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:12] [INFO ] Deduced a trap composed of 61 places in 105 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:12] [INFO ] Deduced a trap composed of 60 places in 100 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:13] [INFO ] Deduced a trap composed of 16 places in 81 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:13] [INFO ] Deduced a trap composed of 64 places in 100 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:13] [INFO ] Deduced a trap composed of 6 places in 78 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:13] [INFO ] Deduced a trap composed of 63 places in 89 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:13] [INFO ] Deduced a trap composed of 59 places in 105 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:13] [INFO ] Deduced a trap composed of 61 places in 89 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:13] [INFO ] Deduced a trap composed of 59 places in 105 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:13] [INFO ] Deduced a trap composed of 59 places in 88 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:13] [INFO ] Deduced a trap composed of 59 places in 86 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:13] [INFO ] Deduced a trap composed of 63 places in 98 ms of which 27 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/216 variables, 20/72 constraints. Problems are: Problem set: 0 solved, 23 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:14] [INFO ] Deduced a trap composed of 13 places in 80 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:14] [INFO ] Deduced a trap composed of 59 places in 92 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:14] [INFO ] Deduced a trap composed of 60 places in 101 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:14] [INFO ] Deduced a trap composed of 60 places in 94 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:14] [INFO ] Deduced a trap composed of 60 places in 95 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:14] [INFO ] Deduced a trap composed of 61 places in 95 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:14] [INFO ] Deduced a trap composed of 61 places in 93 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:14] [INFO ] Deduced a trap composed of 62 places in 87 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:14] [INFO ] Deduced a trap composed of 62 places in 96 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:14] [INFO ] Deduced a trap composed of 58 places in 86 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:15] [INFO ] Deduced a trap composed of 60 places in 99 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:15] [INFO ] Deduced a trap composed of 59 places in 122 ms of which 53 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:15] [INFO ] Deduced a trap composed of 60 places in 95 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:15] [INFO ] Deduced a trap composed of 59 places in 98 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:15] [INFO ] Deduced a trap composed of 60 places in 93 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:15] [INFO ] Deduced a trap composed of 59 places in 103 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:15] [INFO ] Deduced a trap composed of 61 places in 98 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:15] [INFO ] Deduced a trap composed of 61 places in 97 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:15] [INFO ] Deduced a trap composed of 60 places in 89 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:16] [INFO ] Deduced a trap composed of 60 places in 92 ms of which 24 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/216 variables, 20/92 constraints. Problems are: Problem set: 0 solved, 23 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:16] [INFO ] Deduced a trap composed of 51 places in 108 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:16] [INFO ] Deduced a trap composed of 51 places in 111 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:16] [INFO ] Deduced a trap composed of 53 places in 95 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:16] [INFO ] Deduced a trap composed of 53 places in 94 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:16] [INFO ] Deduced a trap composed of 58 places in 102 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:16] [INFO ] Deduced a trap composed of 59 places in 96 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:16] [INFO ] Deduced a trap composed of 44 places in 144 ms of which 73 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:17] [INFO ] Deduced a trap composed of 44 places in 111 ms of which 42 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:17] [INFO ] Deduced a trap composed of 46 places in 209 ms of which 135 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:17] [INFO ] Deduced a trap composed of 32 places in 89 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:17] [INFO ] Deduced a trap composed of 48 places in 177 ms of which 104 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:17] [INFO ] Deduced a trap composed of 47 places in 190 ms of which 116 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:17] [INFO ] Deduced a trap composed of 49 places in 125 ms of which 53 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:17] [INFO ] Deduced a trap composed of 35 places in 89 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:18] [INFO ] Deduced a trap composed of 49 places in 134 ms of which 60 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:18] [INFO ] Deduced a trap composed of 29 places in 90 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:18] [INFO ] Deduced a trap composed of 50 places in 102 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:18] [INFO ] Deduced a trap composed of 35 places in 91 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:18] [INFO ] Deduced a trap composed of 52 places in 108 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:18] [INFO ] Deduced a trap composed of 51 places in 106 ms of which 34 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/216 variables, 20/112 constraints. Problems are: Problem set: 0 solved, 23 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:18] [INFO ] Deduced a trap composed of 55 places in 125 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:19] [INFO ] Deduced a trap composed of 44 places in 140 ms of which 63 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:19] [INFO ] Deduced a trap composed of 45 places in 174 ms of which 100 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:19] [INFO ] Deduced a trap composed of 47 places in 126 ms of which 54 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:19] [INFO ] Deduced a trap composed of 47 places in 128 ms of which 53 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:19] [INFO ] Deduced a trap composed of 49 places in 133 ms of which 62 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:19] [INFO ] Deduced a trap composed of 49 places in 156 ms of which 81 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:19] [INFO ] Deduced a trap composed of 33 places in 94 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:20] [INFO ] Deduced a trap composed of 48 places in 195 ms of which 124 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:20] [INFO ] Deduced a trap composed of 48 places in 135 ms of which 66 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:20] [INFO ] Deduced a trap composed of 48 places in 132 ms of which 63 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:20] [INFO ] Deduced a trap composed of 44 places in 158 ms of which 84 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:20] [INFO ] Deduced a trap composed of 44 places in 119 ms of which 46 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:20] [INFO ] Deduced a trap composed of 45 places in 103 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:20] [INFO ] Deduced a trap composed of 45 places in 142 ms of which 67 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:21] [INFO ] Deduced a trap composed of 38 places in 99 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:21] [INFO ] Deduced a trap composed of 47 places in 155 ms of which 84 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:21] [INFO ] Deduced a trap composed of 48 places in 137 ms of which 64 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:21] [INFO ] Deduced a trap composed of 49 places in 159 ms of which 85 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:21] [INFO ] Deduced a trap composed of 49 places in 150 ms of which 77 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/216 variables, 20/132 constraints. Problems are: Problem set: 0 solved, 23 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:21] [INFO ] Deduced a trap composed of 51 places in 154 ms of which 78 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:22] [INFO ] Deduced a trap composed of 52 places in 99 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:22] [INFO ] Deduced a trap composed of 48 places in 116 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:22] [INFO ] Deduced a trap composed of 50 places in 127 ms of which 57 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:22] [INFO ] Deduced a trap composed of 56 places in 130 ms of which 55 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:22] [INFO ] Deduced a trap composed of 58 places in 110 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:22] [INFO ] Deduced a trap composed of 57 places in 120 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:22] [INFO ] Deduced a trap composed of 59 places in 146 ms of which 78 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:23] [INFO ] Deduced a trap composed of 50 places in 153 ms of which 79 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:23] [INFO ] Deduced a trap composed of 52 places in 184 ms of which 108 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:23] [INFO ] Deduced a trap composed of 52 places in 172 ms of which 99 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:23] [INFO ] Deduced a trap composed of 54 places in 165 ms of which 94 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:23] [INFO ] Deduced a trap composed of 56 places in 132 ms of which 59 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:23] [INFO ] Deduced a trap composed of 51 places in 118 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:24] [INFO ] Deduced a trap composed of 52 places in 159 ms of which 88 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:24] [INFO ] Deduced a trap composed of 53 places in 132 ms of which 53 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:24] [INFO ] Deduced a trap composed of 53 places in 212 ms of which 138 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:24] [INFO ] Deduced a trap composed of 53 places in 141 ms of which 67 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:24] [INFO ] Deduced a trap composed of 46 places in 155 ms of which 79 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:24] [INFO ] Deduced a trap composed of 50 places in 131 ms of which 57 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/216 variables, 20/152 constraints. Problems are: Problem set: 0 solved, 23 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:25] [INFO ] Deduced a trap composed of 49 places in 189 ms of which 112 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:25] [INFO ] Deduced a trap composed of 53 places in 108 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:25] [INFO ] Deduced a trap composed of 53 places in 95 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:25] [INFO ] Deduced a trap composed of 52 places in 113 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:25] [INFO ] Deduced a trap composed of 52 places in 97 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:25] [INFO ] Deduced a trap composed of 49 places in 130 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:25] [INFO ] Deduced a trap composed of 49 places in 121 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:26] [INFO ] Deduced a trap composed of 54 places in 127 ms of which 55 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:26] [INFO ] Deduced a trap composed of 54 places in 149 ms of which 77 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:26] [INFO ] Deduced a trap composed of 53 places in 166 ms of which 89 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:26] [INFO ] Deduced a trap composed of 53 places in 115 ms of which 42 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:26] [INFO ] Deduced a trap composed of 54 places in 139 ms of which 59 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:26] [INFO ] Deduced a trap composed of 54 places in 104 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:27] [INFO ] Deduced a trap composed of 54 places in 112 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:27] [INFO ] Deduced a trap composed of 54 places in 112 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:27] [INFO ] Deduced a trap composed of 55 places in 102 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:27] [INFO ] Deduced a trap composed of 55 places in 114 ms of which 42 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:27] [INFO ] Deduced a trap composed of 54 places in 132 ms of which 58 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:27] [INFO ] Deduced a trap composed of 55 places in 113 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:27] [INFO ] Deduced a trap composed of 55 places in 97 ms of which 25 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/216 variables, 20/172 constraints. Problems are: Problem set: 0 solved, 23 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:27] [INFO ] Deduced a trap composed of 54 places in 135 ms of which 58 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:28] [INFO ] Deduced a trap composed of 27 places in 87 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:28] [INFO ] Deduced a trap composed of 50 places in 103 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:28] [INFO ] Deduced a trap composed of 52 places in 101 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:28] [INFO ] Deduced a trap composed of 48 places in 109 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:28] [INFO ] Deduced a trap composed of 50 places in 106 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:28] [INFO ] Deduced a trap composed of 52 places in 108 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:28] [INFO ] Deduced a trap composed of 54 places in 103 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:28] [INFO ] Deduced a trap composed of 41 places in 121 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:29] [INFO ] Deduced a trap composed of 43 places in 104 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:29] [INFO ] Deduced a trap composed of 46 places in 112 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:29] [INFO ] Deduced a trap composed of 46 places in 117 ms of which 44 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/216 variables, 12/184 constraints. Problems are: Problem set: 0 solved, 23 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:29] [INFO ] Deduced a trap composed of 48 places in 160 ms of which 80 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:29] [INFO ] Deduced a trap composed of 49 places in 174 ms of which 103 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:30] [INFO ] Deduced a trap composed of 53 places in 133 ms of which 59 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:30] [INFO ] Deduced a trap composed of 52 places in 194 ms of which 122 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:30] [INFO ] Deduced a trap composed of 56 places in 140 ms of which 67 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:30] [INFO ] Deduced a trap composed of 51 places in 156 ms of which 80 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:30] [INFO ] Deduced a trap composed of 49 places in 127 ms of which 55 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:30] [INFO ] Deduced a trap composed of 53 places in 117 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:30] [INFO ] Deduced a trap composed of 53 places in 163 ms of which 87 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:31] [INFO ] Deduced a trap composed of 48 places in 119 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:31] [INFO ] Deduced a trap composed of 47 places in 116 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:31] [INFO ] Deduced a trap composed of 50 places in 105 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:31] [INFO ] Deduced a trap composed of 48 places in 143 ms of which 67 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:31] [INFO ] Deduced a trap composed of 52 places in 144 ms of which 67 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:31] [INFO ] Deduced a trap composed of 51 places in 131 ms of which 58 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:32] [INFO ] Deduced a trap composed of 55 places in 136 ms of which 61 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:32] [INFO ] Deduced a trap composed of 55 places in 129 ms of which 49 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:32] [INFO ] Deduced a trap composed of 46 places in 118 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:32] [INFO ] Deduced a trap composed of 48 places in 95 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:32] [INFO ] Deduced a trap composed of 49 places in 103 ms of which 26 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/216 variables, 20/204 constraints. Problems are: Problem set: 0 solved, 23 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:32] [INFO ] Deduced a trap composed of 49 places in 157 ms of which 78 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:33] [INFO ] Deduced a trap composed of 55 places in 101 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:33] [INFO ] Deduced a trap composed of 33 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:33] [INFO ] Deduced a trap composed of 46 places in 164 ms of which 85 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:33] [INFO ] Deduced a trap composed of 46 places in 135 ms of which 61 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:33] [INFO ] Deduced a trap composed of 54 places in 187 ms of which 112 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:33] [INFO ] Deduced a trap composed of 43 places in 125 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:33] [INFO ] Deduced a trap composed of 45 places in 106 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:34] [INFO ] Deduced a trap composed of 44 places in 129 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:34] [INFO ] Deduced a trap composed of 46 places in 105 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:34] [INFO ] Deduced a trap composed of 45 places in 123 ms of which 47 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:34] [INFO ] Deduced a trap composed of 47 places in 105 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:34] [INFO ] Deduced a trap composed of 55 places in 116 ms of which 42 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,23 properties remain. new max is 524288
[2026-05-24 13:34:34] [INFO ] Deduced a trap composed of 55 places in 144 ms of which 66 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/216 variables, 14/218 constraints. Problems are: Problem set: 0 solved, 23 unsolved
SDD size :1.27357e+08 after 4.97423e+08
At refinement iteration 15 (INCLUDED_ONLY) 0/216 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 16 (OVERLAPS) 226/442 variables, 216/434 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/442 variables, 35/469 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/442 variables, 23/492 constraints. Problems are: Problem set: 0 solved, 23 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:36] [INFO ] Deduced a trap composed of 46 places in 107 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:36] [INFO ] Deduced a trap composed of 49 places in 111 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:37] [INFO ] Deduced a trap composed of 59 places in 107 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:37] [INFO ] Deduced a trap composed of 62 places in 91 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:37] [INFO ] Deduced a trap composed of 45 places in 99 ms of which 29 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/442 variables, 5/497 constraints. Problems are: Problem set: 0 solved, 23 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:38] [INFO ] Deduced a trap composed of 60 places in 107 ms of which 32 ms to minimize.
At refinement iteration 20 (INCLUDED_ONLY) 0/442 variables, 1/498 constraints. Problems are: Problem set: 0 solved, 23 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:39] [INFO ] Deduced a trap composed of 60 places in 108 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:39] [INFO ] Deduced a trap composed of 44 places in 110 ms of which 30 ms to minimize.
At refinement iteration 21 (INCLUDED_ONLY) 0/442 variables, 2/500 constraints. Problems are: Problem set: 0 solved, 23 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:41] [INFO ] Deduced a trap composed of 62 places in 109 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:41] [INFO ] Deduced a trap composed of 63 places in 97 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:41] [INFO ] Deduced a trap composed of 47 places in 95 ms of which 18 ms to minimize.
At refinement iteration 22 (INCLUDED_ONLY) 0/442 variables, 3/503 constraints. Problems are: Problem set: 0 solved, 23 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:42] [INFO ] Deduced a trap composed of 62 places in 105 ms of which 26 ms to minimize.
At refinement iteration 23 (INCLUDED_ONLY) 0/442 variables, 1/504 constraints. Problems are: Problem set: 0 solved, 23 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:43] [INFO ] Deduced a trap composed of 60 places in 97 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:43] [INFO ] Deduced a trap composed of 63 places in 98 ms of which 22 ms to minimize.
At refinement iteration 24 (INCLUDED_ONLY) 0/442 variables, 2/506 constraints. Problems are: Problem set: 0 solved, 23 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:44] [INFO ] Deduced a trap along path composed of 5 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:45] [INFO ] Deduced a trap along path composed of 29 places in 50 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:45] [INFO ] Deduced a trap along path composed of 29 places in 47 ms of which 1 ms to minimize.
Detected timeout of ITS tools.
[2026-05-24 13:34:45] [INFO ] Flatten gal took : 37 ms
[2026-05-24 13:34:45] [INFO ] Applying decomposition
[2026-05-24 13:34:45] [INFO ] Flatten gal took : 20 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:45] [INFO ] Deduced a trap along path composed of 37 places in 38 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph5900678211032870963.txt' '-o' '/tmp/graph5900678211032870963.bin' '-w' '/tmp/graph5900678211032870963.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph5900678211032870963.bin' '-l' '-1' '-v' '-w' '/tmp/graph5900678211032870963.weights' '-q' '0' '-e' '0.001'
[2026-05-24 13:34:45] [INFO ] Deduced a trap along path composed of 37 places in 39 ms of which 1 ms to minimize.
[2026-05-24 13:34:45] [INFO ] Decomposing Gal with order
[2026-05-24 13:34:45] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 13:34:45] [INFO ] Removed a total of 105 redundant transitions.
[2026-05-24 13:34:45] [INFO ] Flatten gal took : 123 ms
[2026-05-24 13:34:45] [INFO ] Fuse similar labels procedure discarded/fused a total of 64 labels/synchronizations in 16 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:45] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5104790131508465966.gal : 11 ms
[2026-05-24 13:34:45] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality684023865234238288.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality5104790131508465966.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality684023865234238288.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...306
[2026-05-24 13:34:45] [INFO ] Deduced a trap along path composed of 41 places in 59 ms of which 1 ms to minimize.
Loading property file /tmp/ReachabilityCardinality684023865234238288.prop.
SDD proceeding with computation,23 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,23 properties remain. new max is 8
SDD size :5 after 14
SDD proceeding with computation,23 properties remain. new max is 16
SDD size :14 after 27
SDD proceeding with computation,23 properties remain. new max is 32
SDD size :27 after 58
SDD proceeding with computation,23 properties remain. new max is 64
SDD size :58 after 147
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:45] [INFO ] Deduced a trap along path composed of 41 places in 47 ms of which 1 ms to minimize.
SDD proceeding with computation,23 properties remain. new max is 128
SDD size :147 after 1195
SDD proceeding with computation,23 properties remain. new max is 256
SDD size :1195 after 132922
At refinement iteration 25 (INCLUDED_ONLY) 0/442 variables, 7/513 constraints. Problems are: Problem set: 0 solved, 23 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:49] [INFO ] Deduced a trap along path composed of 4 places in 32 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:49] [INFO ] Deduced a trap along path composed of 10 places in 29 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:34:50] [INFO ] Deduced a trap along path composed of 11 places in 35 ms of which 3 ms to minimize.
At refinement iteration 26 (INCLUDED_ONLY) 0/442 variables, 3/516 constraints. Problems are: Problem set: 0 solved, 23 unsolved
Error getting values : (error "ParserException while parsing response: ((t0 0)
(t1 3)
(t2 245)
(t3 3)
(t4 3)
(t5 3)
(t6 0)
(t7 120)
(t8 3)
(t9 0)
(t10 3)
(t11 0)
(t12 31)
(t13 3)
(t14 28)
(t15 3)
(t16 0)
(t17 0)
(t18 15)
(t19 3)
(t20 0)
(t21 27)
(t22 0)timeout

(t23 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 442/447 variables, and 516 constraints, problems are : Problem set: 0 solved, 23 unsolved in 45018 ms.
Refiners :[Positive P Invariants (semi-flows): 11/13 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 216/221 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 23/23 constraints, Known Traps: 203/203 constraints, Known Traps Along Path: 10/10 constraints]
After SMT, in 46264ms problems are : Problem set: 0 solved, 23 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 12 out of 221 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 221/221 places, 226/226 transitions.
Applied a total of 0 rules in 6 ms. Remains 221 /221 variables (removed 0) and now considering 226/226 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 221/221 places, 226/226 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 221/221 places, 226/226 transitions.
Applied a total of 0 rules in 4 ms. Remains 221 /221 variables (removed 0) and now considering 226/226 (removed 0) transitions.
[2026-05-24 13:34:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
SDD proceeding with computation,23 properties remain. new max is 512
SDD size :132922 after 447767
[2026-05-24 13:34:54] [INFO ] Implicit Places using invariants in 321 ms returned []
[2026-05-24 13:34:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:34:55] [INFO ] State equation strengthened by 35 read => feed constraints.
[2026-05-24 13:34:56] [INFO ] Implicit Places using invariants and state equation in 2059 ms returned []
Implicit Place search using SMT with State Equation took 2382 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 13:34:56] [INFO ] Redundant transitions in 19 ms returned []
Running 225 sub problems to find dead transitions.
[2026-05-24 13:34:57] [INFO ] Invariant cache hit.
[2026-05-24 13:34:57] [INFO ] State equation strengthened by 35 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/220 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/220 variables, 18/20 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/220 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 3 (OVERLAPS) 1/221 variables, 11/31 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/221 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 5 (OVERLAPS) 226/447 variables, 221/252 constraints. Problems are: Problem set: 0 solved, 225 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/447 variables, 35/287 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/447 variables, 0/287 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 8 (OVERLAPS) 0/447 variables, 0/287 constraints. Problems are: Problem set: 0 solved, 225 unsolved
No progress, stopping.
After SMT solving in domain Real declared 447/447 variables, and 287 constraints, problems are : Problem set: 0 solved, 225 unsolved in 13910 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 221/221 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 225/225 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 225 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/220 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/220 variables, 18/20 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/220 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 3 (OVERLAPS) 1/221 variables, 11/31 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/221 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 5 (OVERLAPS) 226/447 variables, 221/252 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/447 variables, 35/287 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/447 variables, 225/512 constraints. Problems are: Problem set: 0 solved, 225 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:35:21] [INFO ] Deduced a trap composed of 21 places in 95 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,23 properties remain. new max is 1024
SDD size :447767 after 749405
[2026-05-24 13:35:22] [INFO ] Deduced a trap composed of 33 places in 95 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:35:23] [INFO ] Deduced a trap composed of 68 places in 102 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:35:23] [INFO ] Deduced a trap composed of 59 places in 100 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:35:23] [INFO ] Deduced a trap composed of 59 places in 102 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:35:23] [INFO ] Deduced a trap composed of 60 places in 116 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:35:24] [INFO ] Deduced a trap composed of 60 places in 96 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:35:24] [INFO ] Deduced a trap composed of 56 places in 106 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:35:24] [INFO ] Deduced a trap composed of 56 places in 103 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:35:24] [INFO ] Deduced a trap composed of 57 places in 101 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:35:24] [INFO ] Deduced a trap composed of 57 places in 101 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:35:25] [INFO ] Deduced a trap composed of 4 places in 79 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:35:27] [INFO ] Deduced a trap composed of 8 places in 97 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:35:27] [INFO ] Deduced a trap composed of 9 places in 99 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:35:27] [INFO ] Deduced a trap composed of 10 places in 96 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:35:27] [INFO ] Deduced a trap composed of 13 places in 101 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:35:27] [INFO ] Deduced a trap composed of 13 places in 100 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:35:28] [INFO ] Deduced a trap composed of 12 places in 98 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:35:28] [INFO ] Deduced a trap composed of 15 places in 101 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:35:28] [INFO ] Deduced a trap composed of 16 places in 101 ms of which 11 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/447 variables, 20/532 constraints. Problems are: Problem set: 0 solved, 225 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:35:34] [INFO ] Deduced a trap composed of 55 places in 102 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:35:34] [INFO ] Deduced a trap composed of 59 places in 102 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:35:35] [INFO ] Deduced a trap composed of 80 places in 98 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:35:35] [INFO ] Deduced a trap composed of 60 places in 113 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:35:35] [INFO ] Deduced a trap composed of 61 places in 85 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
Detected timeout of ITS tools.
[2026-05-24 13:35:35] [INFO ] Deduced a trap composed of 60 places in 85 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:35:35] [INFO ] Deduced a trap composed of 61 places in 90 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:35:37] [INFO ] Deduced a trap composed of 76 places in 88 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:35:38] [INFO ] Deduced a trap composed of 65 places in 97 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:35:38] [INFO ] Deduced a trap composed of 66 places in 85 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:35:38] [INFO ] Deduced a trap composed of 66 places in 80 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:35:38] [INFO ] Deduced a trap composed of 81 places in 105 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:35:38] [INFO ] Deduced a trap composed of 81 places in 88 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:35:38] [INFO ] Deduced a trap composed of 80 places in 95 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:35:39] [INFO ] Deduced a trap composed of 80 places in 102 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:35:39] [INFO ] Deduced a trap composed of 74 places in 105 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:35:39] [INFO ] Deduced a trap composed of 99 places in 86 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:35:40] [INFO ] Deduced a trap composed of 100 places in 77 ms of which 15 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/447 variables, 18/550 constraints. Problems are: Problem set: 0 solved, 225 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 447/447 variables, and 550 constraints, problems are : Problem set: 0 solved, 225 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 221/221 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 225/225 constraints, Known Traps: 38/38 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 44010ms problems are : Problem set: 0 solved, 225 unsolved
Search for dead transitions found 0 dead transitions in 44016ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46427 ms. Remains : 221/221 places, 226/226 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, +inf, 1, 1, 1, +inf]
Starting property specific reduction for DoubleExponent-PT-010-UpperBounds-00
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[1]
// Phase 1: matrix 227 rows 223 cols
[2026-05-24 13:35:41] [INFO ] Computed 31 invariants in 15 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 10000 steps (1438 resets) in 15 ms. (625 steps per ms)
BEST_FIRST walk for 10001 steps (924 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-24 13:35:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:35:41] [INFO ] [Real]Absence check using 8 positive place invariants in 6 ms returned sat
[2026-05-24 13:35:41] [INFO ] [Real]Absence check using 8 positive and 23 generalized place invariants in 4 ms returned sat
[2026-05-24 13:35:41] [INFO ] [Real]Absence check using state equation in 86 ms returned sat
[2026-05-24 13:35:41] [INFO ] State equation strengthened by 32 read => feed constraints.
[2026-05-24 13:35:41] [INFO ] [Real]Added 32 Read/Feed constraints in 129 ms returned sat
[2026-05-24 13:35:41] [INFO ] Computed and/alt/rep : 193/1079/193 causal constraints (skipped 33 transitions) in 12 ms.
[2026-05-24 13:35:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:35:41] [INFO ] [Nat]Absence check using 8 positive place invariants in 5 ms returned sat
[2026-05-24 13:35:41] [INFO ] [Nat]Absence check using 8 positive and 23 generalized place invariants in 4 ms returned sat
[2026-05-24 13:35:41] [INFO ] [Nat]Absence check using state equation in 78 ms returned sat
[2026-05-24 13:35:41] [INFO ] [Nat]Added 32 Read/Feed constraints in 143 ms returned sat
[2026-05-24 13:35:41] [INFO ] Computed and/alt/rep : 193/1079/193 causal constraints (skipped 33 transitions) in 13 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:35:43] [INFO ] Deduced a trap composed of 8 places in 77 ms of which 5 ms to minimize.
[2026-05-24 13:35:43] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 130 ms
[2026-05-24 13:35:43] [INFO ] Added : 122 causal constraints over 26 iterations in 1650 ms. Result :sat
Minimization took 487 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 223 places. Attempting structural reductions.
Drop transitions (Removing consumers from one bounded place p380) removed 1 transitions
Starting structural reductions in REACHABILITY mode, iteration 0 : 223/223 places, 226/226 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 222 transition count 223
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 5 place count 220 transition count 223
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 5 place count 220 transition count 221
Deduced a syphon composed of 65 places in 0 ms
Reduce places removed 65 places and 68 transitions.
Iterating global reduction 2 with 67 rules applied. Total rules applied 72 place count 155 transition count 153
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 74 place count 153 transition count 153
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 76 place count 152 transition count 152
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 80 place count 150 transition count 152
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 3 with 2 rules applied. Total rules applied 82 place count 150 transition count 150
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 84 place count 148 transition count 150
Applied a total of 84 rules in 15 ms. Remains 148 /223 variables (removed 75) and now considering 150/226 (removed 76) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 148/223 places, 150/226 transitions.
// Phase 1: matrix 150 rows 148 cols
[2026-05-24 13:35:44] [INFO ] Computed 23 invariants in 9 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (144331 resets) in 690 ms. (1447 steps per ms)
BEST_FIRST walk for 1000000 steps (91581 resets) in 504 ms. (1980 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-24 13:35:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:35:46] [INFO ] [Real]Absence check using 10 positive place invariants in 4 ms returned sat
[2026-05-24 13:35:46] [INFO ] [Real]Absence check using 10 positive and 13 generalized place invariants in 2 ms returned sat
[2026-05-24 13:35:46] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2026-05-24 13:35:46] [INFO ] State equation strengthened by 28 read => feed constraints.
[2026-05-24 13:35:46] [INFO ] [Real]Added 28 Read/Feed constraints in 33 ms returned sat
[2026-05-24 13:35:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:35:46] [INFO ] [Nat]Absence check using 10 positive place invariants in 4 ms returned sat
[2026-05-24 13:35:46] [INFO ] [Nat]Absence check using 10 positive and 13 generalized place invariants in 4 ms returned sat
[2026-05-24 13:35:46] [INFO ] [Nat]Absence check using state equation in 51 ms returned sat
[2026-05-24 13:35:46] [INFO ] [Nat]Added 28 Read/Feed constraints in 45 ms returned sat
[2026-05-24 13:35:46] [INFO ] Computed and/alt/rep : 123/773/123 causal constraints (skipped 26 transitions) in 8 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:35:46] [INFO ] Deduced a trap composed of 8 places in 59 ms of which 4 ms to minimize.
[2026-05-24 13:35:46] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 92 ms
[2026-05-24 13:35:46] [INFO ] Added : 85 causal constraints over 18 iterations in 641 ms. Result :sat
Minimization took 190 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 148 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 148/148 places, 150/150 transitions.
Applied a total of 0 rules in 3 ms. Remains 148 /148 variables (removed 0) and now considering 150/150 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 148/148 places, 150/150 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 148/148 places, 150/150 transitions.
Applied a total of 0 rules in 3 ms. Remains 148 /148 variables (removed 0) and now considering 150/150 (removed 0) transitions.
[2026-05-24 13:35:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:35:48] [INFO ] Implicit Places using invariants in 150 ms returned []
[2026-05-24 13:35:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:35:48] [INFO ] State equation strengthened by 28 read => feed constraints.
[2026-05-24 13:35:48] [INFO ] Implicit Places using invariants and state equation in 527 ms returned [120]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 679 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 147/148 places, 150/150 transitions.
Applied a total of 0 rules in 5 ms. Remains 147 /147 variables (removed 0) and now considering 150/150 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 687 ms. Remains : 147/148 places, 150/150 transitions.
// Phase 1: matrix 150 rows 147 cols
[2026-05-24 13:35:48] [INFO ] Computed 23 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (144126 resets) in 689 ms. (1449 steps per ms)
BEST_FIRST walk for 1000000 steps (91326 resets) in 491 ms. (2032 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-24 13:35:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:35:49] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-24 13:35:49] [INFO ] [Real]Absence check using 8 positive and 15 generalized place invariants in 2 ms returned sat
[2026-05-24 13:35:49] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2026-05-24 13:35:49] [INFO ] State equation strengthened by 28 read => feed constraints.
[2026-05-24 13:35:49] [INFO ] [Real]Added 28 Read/Feed constraints in 33 ms returned sat
[2026-05-24 13:35:49] [INFO ] Computed and/alt/rep : 123/773/123 causal constraints (skipped 26 transitions) in 8 ms.
[2026-05-24 13:35:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:35:49] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-24 13:35:49] [INFO ] [Nat]Absence check using 8 positive and 15 generalized place invariants in 4 ms returned sat
[2026-05-24 13:35:50] [INFO ] [Nat]Absence check using state equation in 50 ms returned sat
[2026-05-24 13:35:50] [INFO ] [Nat]Added 28 Read/Feed constraints in 38 ms returned sat
[2026-05-24 13:35:50] [INFO ] Computed and/alt/rep : 123/773/123 causal constraints (skipped 26 transitions) in 7 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:35:50] [INFO ] Deduced a trap composed of 12 places in 52 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:35:50] [INFO ] Deduced a trap composed of 12 places in 53 ms of which 4 ms to minimize.
[2026-05-24 13:35:50] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 174 ms
[2026-05-24 13:35:50] [INFO ] Added : 101 causal constraints over 21 iterations in 786 ms. Result :sat
Minimization took 159 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 147 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 147/147 places, 150/150 transitions.
Applied a total of 0 rules in 2 ms. Remains 147 /147 variables (removed 0) and now considering 150/150 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 147/147 places, 150/150 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 147/147 places, 150/150 transitions.
Applied a total of 0 rules in 3 ms. Remains 147 /147 variables (removed 0) and now considering 150/150 (removed 0) transitions.
[2026-05-24 13:35:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:35:51] [INFO ] Implicit Places using invariants in 153 ms returned []
[2026-05-24 13:35:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:35:51] [INFO ] State equation strengthened by 28 read => feed constraints.
[2026-05-24 13:35:52] [INFO ] Implicit Places using invariants and state equation in 1032 ms returned []
Implicit Place search using SMT with State Equation took 1187 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 13:35:52] [INFO ] Redundant transitions in 2 ms returned []
Running 149 sub problems to find dead transitions.
[2026-05-24 13:35:52] [INFO ] Invariant cache hit.
[2026-05-24 13:35:52] [INFO ] State equation strengthened by 28 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/145 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/145 variables, 15/17 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/145 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 3 (OVERLAPS) 2/147 variables, 6/23 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 5 (OVERLAPS) 150/297 variables, 147/170 constraints. Problems are: Problem set: 0 solved, 149 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/297 variables, 28/198 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/297 variables, 0/198 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 8 (OVERLAPS) 0/297 variables, 0/198 constraints. Problems are: Problem set: 0 solved, 149 unsolved
No progress, stopping.
After SMT solving in domain Real declared 297/297 variables, and 198 constraints, problems are : Problem set: 0 solved, 149 unsolved in 5779 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 147/147 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 149/149 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 149 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/145 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/145 variables, 15/17 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/145 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 3 (OVERLAPS) 2/147 variables, 6/23 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 5 (OVERLAPS) 150/297 variables, 147/170 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/297 variables, 28/198 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/297 variables, 149/347 constraints. Problems are: Problem set: 0 solved, 149 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:02] [INFO ] Deduced a trap composed of 20 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:04] [INFO ] Deduced a trap composed of 5 places in 60 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/297 variables, 2/349 constraints. Problems are: Problem set: 0 solved, 149 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:06] [INFO ] Deduced a trap composed of 9 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:07] [INFO ] Deduced a trap composed of 13 places in 54 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:07] [INFO ] Deduced a trap composed of 12 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:07] [INFO ] Deduced a trap composed of 18 places in 42 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:07] [INFO ] Deduced a trap composed of 16 places in 43 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:08] [INFO ] Deduced a trap composed of 22 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:08] [INFO ] Deduced a trap composed of 22 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:09] [INFO ] Deduced a trap composed of 6 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:09] [INFO ] Deduced a trap composed of 13 places in 58 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:10] [INFO ] Deduced a trap composed of 30 places in 107 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:10] [INFO ] Deduced a trap composed of 41 places in 67 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:10] [INFO ] Deduced a trap composed of 42 places in 70 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:10] [INFO ] Deduced a trap composed of 43 places in 69 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:11] [INFO ] Deduced a trap composed of 43 places in 65 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:11] [INFO ] Deduced a trap composed of 45 places in 69 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:11] [INFO ] Deduced a trap composed of 45 places in 67 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:11] [INFO ] Deduced a trap composed of 45 places in 71 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:11] [INFO ] Deduced a trap composed of 33 places in 73 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:11] [INFO ] Deduced a trap composed of 45 places in 67 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:11] [INFO ] Deduced a trap composed of 56 places in 56 ms of which 10 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/297 variables, 20/369 constraints. Problems are: Problem set: 0 solved, 149 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:15] [INFO ] Deduced a trap composed of 61 places in 64 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:15] [INFO ] Deduced a trap composed of 61 places in 59 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:15] [INFO ] Deduced a trap composed of 45 places in 63 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:15] [INFO ] Deduced a trap composed of 45 places in 66 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:16] [INFO ] Deduced a trap composed of 57 places in 61 ms of which 8 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/297 variables, 5/374 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/297 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 149 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:27] [INFO ] Deduced a trap composed of 53 places in 64 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:27] [INFO ] Deduced a trap composed of 57 places in 61 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:27] [INFO ] Deduced a trap composed of 57 places in 61 ms of which 5 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/297 variables, 3/377 constraints. Problems are: Problem set: 0 solved, 149 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 297/297 variables, and 377 constraints, problems are : Problem set: 0 solved, 149 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 147/147 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 149/149 constraints, Known Traps: 30/30 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 35823ms problems are : Problem set: 0 solved, 149 unsolved
Search for dead transitions found 0 dead transitions in 35825ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37027 ms. Remains : 147/147 places, 150/150 transitions.
[2026-05-24 13:36:28] [INFO ] Flatten gal took : 13 ms
[2026-05-24 13:36:28] [INFO ] Flatten gal took : 12 ms
[2026-05-24 13:36:28] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2423972886133181127.gal : 2 ms
[2026-05-24 13:36:28] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6003707939875213948.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality2423972886133181127.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6003707939875213948.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
RANDOM walk for 40000 steps (5761 resets) in 134 ms. (296 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality6003707939875213948.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :2 after 6
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :6 after 10
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :10 after 14
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :14 after 27
BEST_FIRST walk for 40002 steps (3678 resets) in 56 ms. (701 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :27 after 40
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :40 after 126
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :126 after 254
BEST_FIRST walk for 40003 steps (3647 resets) in 68 ms. (579 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :254 after 705
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :705 after 4350
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :4350 after 24076
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :24076 after 43697
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :43697 after 121047
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :121047 after 259434
Interrupted probabilistic random walk after 647313 steps, run timeout after 3001 ms. (steps per millisecond=215 ) properties seen :0 out of 2
Probabilistic random walk after 647313 steps, saw 323720 distinct states, run finished after 3001 ms. (steps per millisecond=215 ) properties seen :0
[2026-05-24 13:36:31] [INFO ] Invariant cache hit.
[2026-05-24 13:36:31] [INFO ] State equation strengthened by 28 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 100/101 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:31] [INFO ] Deduced a trap composed of 3 places in 50 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/101 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/101 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 42/143 variables, 15/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:31] [INFO ] Deduced a trap composed of 4 places in 59 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:31] [INFO ] Deduced a trap composed of 7 places in 53 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:31] [INFO ] Deduced a trap composed of 7 places in 53 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:32] [INFO ] Deduced a trap composed of 10 places in 49 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:32] [INFO ] Deduced a trap composed of 10 places in 47 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:32] [INFO ] Deduced a trap composed of 12 places in 45 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/143 variables, 6/28 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :259434 after 552419
At refinement iteration 7 (OVERLAPS) 150/293 variables, 143/171 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/293 variables, 28/199 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/293 variables, 0/199 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 4/297 variables, 4/203 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/297 variables, 2/205 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/297 variables, 0/205 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/297 variables, 0/205 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 297/297 variables, and 205 constraints, problems are : Problem set: 0 solved, 2 unsolved in 609 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 147/147 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 100/101 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/101 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/101 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 42/143 variables, 15/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/143 variables, 6/28 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:32] [INFO ] Deduced a trap composed of 6 places in 49 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/143 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 150/293 variables, 143/172 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/293 variables, 28/200 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/293 variables, 2/202 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/293 variables, 0/202 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 4/297 variables, 4/206 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/297 variables, 2/208 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/297 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 0/297 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 297/297 variables, and 208 constraints, problems are : Problem set: 0 solved, 2 unsolved in 308 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 147/147 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 921ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1486 ms.
Support contains 1 out of 147 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 147/147 places, 150/150 transitions.
Applied a total of 0 rules in 2 ms. Remains 147 /147 variables (removed 0) and now considering 150/150 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 147/147 places, 150/150 transitions.
RANDOM walk for 40000 steps (5758 resets) in 66 ms. (597 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (3692 resets) in 47 ms. (833 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (3672 resets) in 56 ms. (701 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 131072
SDD size :552419 after 7.56716e+06
Interrupted probabilistic random walk after 602571 steps, run timeout after 3001 ms. (steps per millisecond=200 ) properties seen :0 out of 2
Probabilistic random walk after 602571 steps, saw 301341 distinct states, run finished after 3001 ms. (steps per millisecond=200 ) properties seen :0
[2026-05-24 13:36:37] [INFO ] Invariant cache hit.
[2026-05-24 13:36:37] [INFO ] State equation strengthened by 28 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 100/101 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:37] [INFO ] Deduced a trap composed of 3 places in 52 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/101 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/101 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 42/143 variables, 15/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:37] [INFO ] Deduced a trap composed of 4 places in 67 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:37] [INFO ] Deduced a trap composed of 7 places in 59 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:37] [INFO ] Deduced a trap composed of 7 places in 58 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:37] [INFO ] Deduced a trap composed of 10 places in 53 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:37] [INFO ] Deduced a trap composed of 10 places in 49 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:37] [INFO ] Deduced a trap composed of 12 places in 50 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/143 variables, 6/28 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 150/293 variables, 143/171 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/293 variables, 28/199 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/293 variables, 0/199 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 4/297 variables, 4/203 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/297 variables, 2/205 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/297 variables, 0/205 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/297 variables, 0/205 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 297/297 variables, and 205 constraints, problems are : Problem set: 0 solved, 2 unsolved in 668 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 147/147 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 100/101 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/101 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/101 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 42/143 variables, 15/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/143 variables, 6/28 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:37] [INFO ] Deduced a trap composed of 6 places in 50 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/143 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 150/293 variables, 143/172 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/293 variables, 28/200 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/293 variables, 2/202 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/293 variables, 0/202 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 4/297 variables, 4/206 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/297 variables, 2/208 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/297 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 0/297 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 297/297 variables, and 208 constraints, problems are : Problem set: 0 solved, 2 unsolved in 316 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 147/147 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 989ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1998 ms.
Support contains 1 out of 147 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 147/147 places, 150/150 transitions.
Applied a total of 0 rules in 2 ms. Remains 147 /147 variables (removed 0) and now considering 150/150 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 147/147 places, 150/150 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 147/147 places, 150/150 transitions.
Applied a total of 0 rules in 2 ms. Remains 147 /147 variables (removed 0) and now considering 150/150 (removed 0) transitions.
[2026-05-24 13:36:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:36:40] [INFO ] Implicit Places using invariants in 145 ms returned []
[2026-05-24 13:36:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:36:40] [INFO ] State equation strengthened by 28 read => feed constraints.
[2026-05-24 13:36:41] [INFO ] Implicit Places using invariants and state equation in 1044 ms returned []
Implicit Place search using SMT with State Equation took 1191 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 13:36:41] [INFO ] Redundant transitions in 1 ms returned []
Running 149 sub problems to find dead transitions.
[2026-05-24 13:36:41] [INFO ] Invariant cache hit.
[2026-05-24 13:36:41] [INFO ] State equation strengthened by 28 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SDD proceeding with computation,2 properties remain. new max is 262144
SDD size :7.56716e+06 after 4.18801e+07
At refinement iteration 0 (INCLUDED_ONLY) 0/145 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/145 variables, 15/17 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/145 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 3 (OVERLAPS) 2/147 variables, 6/23 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 5 (OVERLAPS) 150/297 variables, 147/170 constraints. Problems are: Problem set: 0 solved, 149 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/297 variables, 28/198 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/297 variables, 0/198 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 8 (OVERLAPS) 0/297 variables, 0/198 constraints. Problems are: Problem set: 0 solved, 149 unsolved
No progress, stopping.
After SMT solving in domain Real declared 297/297 variables, and 198 constraints, problems are : Problem set: 0 solved, 149 unsolved in 5600 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 147/147 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 149/149 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 149 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/145 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/145 variables, 15/17 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/145 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 3 (OVERLAPS) 2/147 variables, 6/23 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 5 (OVERLAPS) 150/297 variables, 147/170 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/297 variables, 28/198 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/297 variables, 149/347 constraints. Problems are: Problem set: 0 solved, 149 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:50] [INFO ] Deduced a trap composed of 20 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:52] [INFO ] Deduced a trap composed of 5 places in 59 ms of which 4 ms to minimize.
SDD proceeding with computation,2 properties remain. new max is 524288
SDD size :4.18801e+07 after 1.25213e+08
At refinement iteration 8 (INCLUDED_ONLY) 0/297 variables, 2/349 constraints. Problems are: Problem set: 0 solved, 149 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:55] [INFO ] Deduced a trap composed of 9 places in 54 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:55] [INFO ] Deduced a trap composed of 13 places in 55 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:55] [INFO ] Deduced a trap composed of 12 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:55] [INFO ] Deduced a trap composed of 18 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:56] [INFO ] Deduced a trap composed of 16 places in 42 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:56] [INFO ] Deduced a trap composed of 22 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:56] [INFO ] Deduced a trap composed of 22 places in 32 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:57] [INFO ] Deduced a trap composed of 6 places in 36 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:57] [INFO ] Deduced a trap composed of 13 places in 48 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:58] [INFO ] Deduced a trap composed of 30 places in 70 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:58] [INFO ] Deduced a trap composed of 41 places in 67 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:58] [INFO ] Deduced a trap composed of 42 places in 67 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:59] [INFO ] Deduced a trap composed of 43 places in 72 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:59] [INFO ] Deduced a trap composed of 43 places in 67 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:59] [INFO ] Deduced a trap composed of 45 places in 67 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:59] [INFO ] Deduced a trap composed of 45 places in 67 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:59] [INFO ] Deduced a trap composed of 45 places in 65 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:59] [INFO ] Deduced a trap composed of 33 places in 70 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:59] [INFO ] Deduced a trap composed of 45 places in 65 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:36:59] [INFO ] Deduced a trap composed of 56 places in 60 ms of which 10 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/297 variables, 20/369 constraints. Problems are: Problem set: 0 solved, 149 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:03] [INFO ] Deduced a trap composed of 61 places in 65 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:03] [INFO ] Deduced a trap composed of 61 places in 61 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:03] [INFO ] Deduced a trap composed of 45 places in 69 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:04] [INFO ] Deduced a trap composed of 45 places in 67 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:04] [INFO ] Deduced a trap composed of 57 places in 61 ms of which 8 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/297 variables, 5/374 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/297 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 149 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:15] [INFO ] Deduced a trap composed of 53 places in 67 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:15] [INFO ] Deduced a trap composed of 57 places in 58 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:15] [INFO ] Deduced a trap composed of 57 places in 62 ms of which 5 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/297 variables, 3/377 constraints. Problems are: Problem set: 0 solved, 149 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 297/297 variables, and 377 constraints, problems are : Problem set: 0 solved, 149 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 147/147 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 149/149 constraints, Known Traps: 30/30 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 35659ms problems are : Problem set: 0 solved, 149 unsolved
Search for dead transitions found 0 dead transitions in 35660ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36865 ms. Remains : 147/147 places, 150/150 transitions.
Attempting over-approximation, by ignoring read arcs.
Performed 14 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 14 Pre rules applied. Total rules applied 0 place count 147 transition count 136
Deduced a syphon composed of 14 places in 0 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 0 with 28 rules applied. Total rules applied 28 place count 133 transition count 136
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 35 place count 126 transition count 129
Iterating global reduction 0 with 7 rules applied. Total rules applied 42 place count 126 transition count 129
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 43 place count 126 transition count 128
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 44 place count 125 transition count 128
Applied a total of 44 rules in 11 ms. Remains 125 /147 variables (removed 22) and now considering 128/150 (removed 22) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 128 rows 125 cols
[2026-05-24 13:37:16] [INFO ] Computed 23 invariants in 6 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-24 13:37:17] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2026-05-24 13:37:17] [INFO ] [Real]Absence check using 4 positive and 19 generalized place invariants in 4 ms returned sat
[2026-05-24 13:37:17] [INFO ] After 54ms SMT Verify possible using state equation in real domain returned unsat :0 sat :2
[2026-05-24 13:37:17] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 13:37:17] [INFO ] After 15ms SMT Verify possible using 1 Read/Feed constraints in real domain returned unsat :0 sat :0 real:2
[2026-05-24 13:37:17] [INFO ] After 114ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-24 13:37:17] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2026-05-24 13:37:17] [INFO ] [Nat]Absence check using 4 positive and 19 generalized place invariants in 3 ms returned sat
[2026-05-24 13:37:17] [INFO ] After 49ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2026-05-24 13:37:17] [INFO ] After 9ms SMT Verify possible using 1 Read/Feed constraints in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2026-05-24 13:37:17] [INFO ] After 25ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2026-05-24 13:37:17] [INFO ] After 124ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2026-05-24 13:37:17] [INFO ] Flatten gal took : 11 ms
[2026-05-24 13:37:17] [INFO ] Flatten gal took : 9 ms
[2026-05-24 13:37:17] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14675650861156365197.gal : 1 ms
[2026-05-24 13:37:17] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9622784338558358569.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality14675650861156365197.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9622784338558358569.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality9622784338558358569.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :3 after 13
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :13 after 31
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :31 after 52
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :52 after 63
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :63 after 171
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :171 after 316
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :316 after 1014
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1014 after 3495
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :3495 after 8787
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :8787 after 19875
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :19875 after 45045
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :45045 after 98361
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :98361 after 205765
Detected timeout of ITS tools.
[2026-05-24 13:37:18] [INFO ] Flatten gal took : 13 ms
[2026-05-24 13:37:18] [INFO ] Applying decomposition
[2026-05-24 13:37:18] [INFO ] Flatten gal took : 9 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph1997617506149068739.txt' '-o' '/tmp/graph1997617506149068739.bin' '-w' '/tmp/graph1997617506149068739.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph1997617506149068739.bin' '-l' '-1' '-v' '-w' '/tmp/graph1997617506149068739.weights' '-q' '0' '-e' '0.001'
[2026-05-24 13:37:18] [INFO ] Decomposing Gal with order
[2026-05-24 13:37:18] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 13:37:18] [INFO ] Removed a total of 82 redundant transitions.
[2026-05-24 13:37:18] [INFO ] Flatten gal took : 35 ms
[2026-05-24 13:37:18] [INFO ] Fuse similar labels procedure discarded/fused a total of 78 labels/synchronizations in 6 ms.
[2026-05-24 13:37:18] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8332782164490310803.gal : 3 ms
[2026-05-24 13:37:18] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality761400148267769986.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality8332782164490310803.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality761400148267769986.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...306
Loading property file /tmp/ReachabilityCardinality761400148267769986.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 14
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :14 after 40
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :40 after 1048
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :1048 after 2524
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :2524 after 50485
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :205765 after 425433
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :50485 after 177579
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :177579 after 411453
SDD proceeding with computation,2 properties remain. new max is 131072
SDD size :425433 after 881957
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :411453 after 792344
SDD proceeding with computation,2 properties remain. new max is 262144
SDD size :881957 after 1.76349e+06
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :792344 after 8.2795e+06
Detected timeout of ITS tools.
[2026-05-24 13:37:32] [INFO ] Flatten gal took : 13 ms
[2026-05-24 13:37:32] [INFO ] Applying decomposition
[2026-05-24 13:37:32] [INFO ] Flatten gal took : 8 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph3273321637716791425.txt' '-o' '/tmp/graph3273321637716791425.bin' '-w' '/tmp/graph3273321637716791425.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph3273321637716791425.bin' '-l' '-1' '-v' '-w' '/tmp/graph3273321637716791425.weights' '-q' '0' '-e' '0.001'
[2026-05-24 13:37:32] [INFO ] Decomposing Gal with order
[2026-05-24 13:37:32] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 13:37:32] [INFO ] Removed a total of 81 redundant transitions.
[2026-05-24 13:37:32] [INFO ] Flatten gal took : 16 ms
[2026-05-24 13:37:32] [INFO ] Fuse similar labels procedure discarded/fused a total of 28 labels/synchronizations in 4 ms.
[2026-05-24 13:37:32] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1406364498661570804.gal : 3 ms
[2026-05-24 13:37:32] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14261363277182865255.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality1406364498661570804.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14261363277182865255.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality14261363277182865255.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 21324
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :21324 after 127423
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :127423 after 127435
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :127435 after 127459
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :127459 after 128253
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :128253 after 128253
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :128253 after 129719
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :129719 after 131967
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :131967 after 1.19728e+06
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :1.19728e+06 after 1.22739e+06
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30445 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[1]
Ending property specific reduction for DoubleExponent-PT-010-UpperBounds-00 in 126446 ms.
Starting property specific reduction for DoubleExponent-PT-010-UpperBounds-01
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[1]
// Phase 1: matrix 227 rows 223 cols
[2026-05-24 13:37:47] [INFO ] Computed 31 invariants in 8 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 10000 steps (1470 resets) in 14 ms. (666 steps per ms)
BEST_FIRST walk for 10000 steps (918 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-24 13:37:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:37:47] [INFO ] [Real]Absence check using 8 positive place invariants in 5 ms returned sat
[2026-05-24 13:37:47] [INFO ] [Real]Absence check using 8 positive and 23 generalized place invariants in 4 ms returned sat
[2026-05-24 13:37:47] [INFO ] [Real]Absence check using state equation in 102 ms returned sat
[2026-05-24 13:37:47] [INFO ] State equation strengthened by 32 read => feed constraints.
[2026-05-24 13:37:47] [INFO ] [Real]Added 32 Read/Feed constraints in 168 ms returned sat
[2026-05-24 13:37:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:37:47] [INFO ] [Nat]Absence check using 8 positive place invariants in 5 ms returned sat
[2026-05-24 13:37:47] [INFO ] [Nat]Absence check using 8 positive and 23 generalized place invariants in 5 ms returned sat
[2026-05-24 13:37:47] [INFO ] [Nat]Absence check using state equation in 102 ms returned sat
[2026-05-24 13:37:48] [INFO ] [Nat]Added 32 Read/Feed constraints in 220 ms returned sat
[2026-05-24 13:37:48] [INFO ] Computed and/alt/rep : 193/1079/193 causal constraints (skipped 33 transitions) in 13 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:49] [INFO ] Deduced a trap composed of 8 places in 87 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:49] [INFO ] Deduced a trap composed of 10 places in 84 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:49] [INFO ] Deduced a trap composed of 14 places in 84 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:49] [INFO ] Deduced a trap composed of 14 places in 81 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:50] [INFO ] Deduced a trap composed of 34 places in 96 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:50] [INFO ] Deduced a trap composed of 35 places in 89 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:50] [INFO ] Deduced a trap composed of 30 places in 94 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:50] [INFO ] Deduced a trap composed of 55 places in 141 ms of which 68 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:50] [INFO ] Deduced a trap composed of 17 places in 88 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:50] [INFO ] Deduced a trap composed of 54 places in 123 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:51] [INFO ] Deduced a trap composed of 55 places in 126 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:51] [INFO ] Deduced a trap composed of 59 places in 114 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:51] [INFO ] Deduced a trap composed of 56 places in 125 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:51] [INFO ] Deduced a trap composed of 57 places in 115 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:51] [INFO ] Deduced a trap composed of 61 places in 136 ms of which 60 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:52] [INFO ] Deduced a trap composed of 60 places in 109 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:52] [INFO ] Deduced a trap composed of 23 places in 90 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:52] [INFO ] Deduced a trap composed of 57 places in 135 ms of which 59 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:52] [INFO ] Deduced a trap composed of 58 places in 132 ms of which 56 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:52] [INFO ] Deduced a trap composed of 22 places in 93 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:52] [INFO ] Deduced a trap composed of 62 places in 133 ms of which 59 ms to minimize.
[2026-05-24 13:37:52] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 0
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1131)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:878)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:946)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 223 places. Attempting structural reductions.
Drop transitions (Removing consumers from one bounded place p475) removed 3 transitions
Starting structural reductions in REACHABILITY mode, iteration 0 : 223/223 places, 224/224 transitions.
Reduce places removed 1 places and 8 transitions.
Graph (complete) has 923 edges and 222 vertex of which 221 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 221 transition count 215
Reduce places removed 6 places and 6 transitions.
Graph (complete) has 899 edges and 215 vertex of which 213 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.0 ms
Discarding 2 places :
Also discarding 0 output transitions
Iterating post reduction 1 with 7 rules applied. Total rules applied 10 place count 213 transition count 209
Reduce places removed 1 places and 1 transitions.
Graph (complete) has 895 edges and 212 vertex of which 211 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Iterating post reduction 2 with 2 rules applied. Total rules applied 12 place count 211 transition count 208
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 12 place count 211 transition count 206
Deduced a syphon composed of 14 places in 0 ms
Reduce places removed 14 places and 14 transitions.
Iterating global reduction 3 with 16 rules applied. Total rules applied 28 place count 197 transition count 192
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 31 place count 194 transition count 192
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 31 place count 194 transition count 191
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 33 place count 193 transition count 191
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 1 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 4 with 10 rules applied. Total rules applied 43 place count 188 transition count 186
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 4 with 6 rules applied. Total rules applied 49 place count 185 transition count 187
Free-agglomeration rule (complex) applied 4 times.
Iterating global reduction 4 with 4 rules applied. Total rules applied 53 place count 185 transition count 184
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 57 place count 181 transition count 184
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 5 with 2 rules applied. Total rules applied 59 place count 181 transition count 184
Applied a total of 59 rules in 35 ms. Remains 181 /223 variables (removed 42) and now considering 184/224 (removed 40) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35 ms. Remains : 181/223 places, 184/224 transitions.
// Phase 1: matrix 184 rows 181 cols
[2026-05-24 13:37:52] [INFO ] Computed 29 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (144615 resets) in 688 ms. (1451 steps per ms)
BEST_FIRST walk for 1000000 steps (91552 resets) in 474 ms. (2105 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-24 13:37:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:37:54] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-24 13:37:54] [INFO ] [Real]Absence check using 4 positive and 25 generalized place invariants in 5 ms returned sat
[2026-05-24 13:37:54] [INFO ] [Real]Absence check using state equation in 74 ms returned sat
[2026-05-24 13:37:54] [INFO ] State equation strengthened by 38 read => feed constraints.
[2026-05-24 13:37:54] [INFO ] [Real]Added 38 Read/Feed constraints in 71 ms returned sat
[2026-05-24 13:37:54] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:37:54] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-24 13:37:54] [INFO ] [Nat]Absence check using 4 positive and 25 generalized place invariants in 5 ms returned sat
[2026-05-24 13:37:54] [INFO ] [Nat]Absence check using state equation in 72 ms returned sat
[2026-05-24 13:37:54] [INFO ] [Nat]Added 38 Read/Feed constraints in 72 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:54] [INFO ] Deduced a trap composed of 25 places in 83 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:54] [INFO ] Deduced a trap composed of 22 places in 78 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:54] [INFO ] Deduced a trap composed of 19 places in 80 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:54] [INFO ] Deduced a trap composed of 19 places in 78 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:54] [INFO ] Deduced a trap composed of 12 places in 72 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:55] [INFO ] Deduced a trap composed of 13 places in 83 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:55] [INFO ] Deduced a trap composed of 9 places in 76 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:55] [INFO ] Deduced a trap composed of 32 places in 92 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:55] [INFO ] Deduced a trap composed of 33 places in 84 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:55] [INFO ] Deduced a trap composed of 35 places in 88 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:55] [INFO ] Deduced a trap composed of 35 places in 87 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:55] [INFO ] Deduced a trap composed of 34 places in 90 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:55] [INFO ] Deduced a trap composed of 37 places in 92 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:55] [INFO ] Deduced a trap composed of 36 places in 94 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:56] [INFO ] Deduced a trap composed of 33 places in 90 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:56] [INFO ] Deduced a trap composed of 37 places in 90 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:56] [INFO ] Deduced a trap composed of 38 places in 92 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:56] [INFO ] Deduced a trap composed of 35 places in 87 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:56] [INFO ] Deduced a trap composed of 39 places in 87 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:56] [INFO ] Deduced a trap composed of 24 places in 86 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:56] [INFO ] Deduced a trap composed of 25 places in 32 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:37:56] [INFO ] Deduced a trap composed of 27 places in 27 ms of which 2 ms to minimize.
[2026-05-24 13:37:56] [INFO ] Trap strengthening (SAT) tested/added 23/22 trap constraints in 2074 ms
[2026-05-24 13:37:56] [INFO ] Computed and/alt/rep : 147/935/147 causal constraints (skipped 36 transitions) in 8 ms.
[2026-05-24 13:37:57] [INFO ] Added : 108 causal constraints over 22 iterations in 802 ms. Result :sat
Minimization took 509 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 181 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 181/181 places, 184/184 transitions.
Applied a total of 0 rules in 4 ms. Remains 181 /181 variables (removed 0) and now considering 184/184 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 181/181 places, 184/184 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 181/181 places, 184/184 transitions.
Applied a total of 0 rules in 4 ms. Remains 181 /181 variables (removed 0) and now considering 184/184 (removed 0) transitions.
[2026-05-24 13:37:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:37:59] [INFO ] Implicit Places using invariants in 215 ms returned [143, 149]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 233 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 179/181 places, 184/184 transitions.
Applied a total of 0 rules in 4 ms. Remains 179 /179 variables (removed 0) and now considering 184/184 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 242 ms. Remains : 179/181 places, 184/184 transitions.
// Phase 1: matrix 184 rows 179 cols
[2026-05-24 13:37:59] [INFO ] Computed 27 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (144439 resets) in 673 ms. (1483 steps per ms)
BEST_FIRST walk for 1000001 steps (91306 resets) in 476 ms. (2096 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-24 13:38:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:38:00] [INFO ] [Real]Absence check using 6 positive place invariants in 3 ms returned sat
[2026-05-24 13:38:00] [INFO ] [Real]Absence check using 6 positive and 21 generalized place invariants in 3 ms returned sat
[2026-05-24 13:38:00] [INFO ] [Real]Absence check using state equation in 87 ms returned sat
[2026-05-24 13:38:00] [INFO ] State equation strengthened by 36 read => feed constraints.
[2026-05-24 13:38:00] [INFO ] [Real]Added 36 Read/Feed constraints in 96 ms returned sat
[2026-05-24 13:38:00] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:38:00] [INFO ] [Nat]Absence check using 6 positive place invariants in 3 ms returned sat
[2026-05-24 13:38:00] [INFO ] [Nat]Absence check using 6 positive and 21 generalized place invariants in 3 ms returned sat
[2026-05-24 13:38:00] [INFO ] [Nat]Absence check using state equation in 82 ms returned sat
[2026-05-24 13:38:01] [INFO ] [Nat]Added 36 Read/Feed constraints in 74 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:01] [INFO ] Deduced a trap composed of 21 places in 87 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:01] [INFO ] Deduced a trap composed of 18 places in 75 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:01] [INFO ] Deduced a trap composed of 19 places in 81 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:01] [INFO ] Deduced a trap composed of 15 places in 68 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:01] [INFO ] Deduced a trap composed of 16 places in 77 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:01] [INFO ] Deduced a trap composed of 12 places in 73 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:01] [INFO ] Deduced a trap composed of 13 places in 72 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:01] [INFO ] Deduced a trap composed of 13 places in 76 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:01] [INFO ] Deduced a trap composed of 10 places in 70 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:01] [INFO ] Deduced a trap composed of 32 places in 113 ms of which 49 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:02] [INFO ] Deduced a trap composed of 33 places in 102 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:02] [INFO ] Deduced a trap composed of 26 places in 89 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:02] [INFO ] Deduced a trap composed of 34 places in 87 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:02] [INFO ] Deduced a trap composed of 35 places in 93 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:02] [INFO ] Deduced a trap composed of 37 places in 93 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:02] [INFO ] Deduced a trap composed of 35 places in 86 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:02] [INFO ] Deduced a trap composed of 37 places in 110 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:02] [INFO ] Deduced a trap composed of 36 places in 91 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:02] [INFO ] Deduced a trap composed of 38 places in 91 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:03] [INFO ] Deduced a trap composed of 37 places in 80 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:03] [INFO ] Deduced a trap composed of 39 places in 80 ms of which 15 ms to minimize.
[2026-05-24 13:38:03] [INFO ] Trap strengthening (SAT) tested/added 22/21 trap constraints in 2159 ms
[2026-05-24 13:38:03] [INFO ] Computed and/alt/rep : 147/931/147 causal constraints (skipped 36 transitions) in 8 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:04] [INFO ] Deduced a trap composed of 8 places in 68 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:04] [INFO ] Deduced a trap composed of 26 places in 79 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:04] [INFO ] Deduced a trap composed of 47 places in 79 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:04] [INFO ] Deduced a trap composed of 48 places in 75 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:04] [INFO ] Deduced a trap composed of 49 places in 78 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:04] [INFO ] Deduced a trap composed of 48 places in 86 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:04] [INFO ] Deduced a trap composed of 49 places in 80 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:04] [INFO ] Deduced a trap composed of 50 places in 84 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:05] [INFO ] Deduced a trap composed of 42 places in 85 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:05] [INFO ] Deduced a trap composed of 43 places in 81 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:05] [INFO ] Deduced a trap composed of 44 places in 84 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:05] [INFO ] Deduced a trap composed of 43 places in 84 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:05] [INFO ] Deduced a trap composed of 44 places in 87 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:05] [INFO ] Deduced a trap composed of 45 places in 83 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:05] [INFO ] Deduced a trap composed of 44 places in 102 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:06] [INFO ] Deduced a trap composed of 45 places in 83 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:06] [INFO ] Deduced a trap composed of 46 places in 85 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:06] [INFO ] Deduced a trap composed of 47 places in 82 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:06] [INFO ] Deduced a trap composed of 46 places in 76 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:07] [INFO ] Deduced a trap composed of 49 places in 78 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:07] [INFO ] Deduced a trap composed of 50 places in 80 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:07] [INFO ] Deduced a trap composed of 51 places in 87 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:07] [INFO ] Deduced a trap composed of 52 places in 73 ms of which 20 ms to minimize.
[2026-05-24 13:38:07] [INFO ] Trap strengthening (SAT) tested/added 24/23 trap constraints in 3885 ms
[2026-05-24 13:38:08] [INFO ] Added : 114 causal constraints over 23 iterations in 4904 ms. Result :sat
Minimization took 346 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 179 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 179/179 places, 184/184 transitions.
Applied a total of 0 rules in 4 ms. Remains 179 /179 variables (removed 0) and now considering 184/184 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 179/179 places, 184/184 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 179/179 places, 184/184 transitions.
Applied a total of 0 rules in 3 ms. Remains 179 /179 variables (removed 0) and now considering 184/184 (removed 0) transitions.
[2026-05-24 13:38:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:38:09] [INFO ] Implicit Places using invariants in 207 ms returned []
[2026-05-24 13:38:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:38:09] [INFO ] State equation strengthened by 36 read => feed constraints.
[2026-05-24 13:38:11] [INFO ] Implicit Places using invariants and state equation in 1448 ms returned [147]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 1674 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 178/179 places, 184/184 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 177 transition count 183
Applied a total of 2 rules in 6 ms. Remains 177 /178 variables (removed 1) and now considering 183/184 (removed 1) transitions.
// Phase 1: matrix 183 rows 177 cols
[2026-05-24 13:38:11] [INFO ] Computed 26 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:38:11] [INFO ] Implicit Places using invariants in 222 ms returned []
[2026-05-24 13:38:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:38:11] [INFO ] State equation strengthened by 36 read => feed constraints.
[2026-05-24 13:38:12] [INFO ] Implicit Places using invariants and state equation in 1366 ms returned []
Implicit Place search using SMT with State Equation took 1598 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 177/179 places, 183/184 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 3282 ms. Remains : 177/179 places, 183/184 transitions.
[2026-05-24 13:38:12] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (143972 resets) in 675 ms. (1479 steps per ms)
BEST_FIRST walk for 1000000 steps (91177 resets) in 475 ms. (2100 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-24 13:38:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:38:13] [INFO ] [Real]Absence check using 8 positive place invariants in 5 ms returned sat
[2026-05-24 13:38:13] [INFO ] [Real]Absence check using 8 positive and 18 generalized place invariants in 3 ms returned sat
[2026-05-24 13:38:14] [INFO ] [Real]Absence check using state equation in 120 ms returned sat
[2026-05-24 13:38:14] [INFO ] State equation strengthened by 36 read => feed constraints.
[2026-05-24 13:38:14] [INFO ] [Real]Added 36 Read/Feed constraints in 113 ms returned sat
[2026-05-24 13:38:14] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:38:14] [INFO ] [Nat]Absence check using 8 positive place invariants in 4 ms returned sat
[2026-05-24 13:38:14] [INFO ] [Nat]Absence check using 8 positive and 18 generalized place invariants in 3 ms returned sat
[2026-05-24 13:38:14] [INFO ] [Nat]Absence check using state equation in 117 ms returned sat
[2026-05-24 13:38:14] [INFO ] [Nat]Added 36 Read/Feed constraints in 113 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:14] [INFO ] Deduced a trap composed of 21 places in 82 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:14] [INFO ] Deduced a trap composed of 22 places in 79 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:14] [INFO ] Deduced a trap composed of 22 places in 80 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:14] [INFO ] Deduced a trap composed of 19 places in 78 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:14] [INFO ] Deduced a trap composed of 15 places in 82 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:15] [INFO ] Deduced a trap composed of 12 places in 75 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:15] [INFO ] Deduced a trap composed of 13 places in 66 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:15] [INFO ] Deduced a trap composed of 9 places in 66 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:15] [INFO ] Deduced a trap composed of 33 places in 97 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:15] [INFO ] Deduced a trap composed of 36 places in 118 ms of which 56 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:15] [INFO ] Deduced a trap composed of 33 places in 96 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:15] [INFO ] Deduced a trap composed of 36 places in 106 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:15] [INFO ] Deduced a trap composed of 35 places in 91 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:15] [INFO ] Deduced a trap composed of 38 places in 104 ms of which 37 ms to minimize.
[2026-05-24 13:38:15] [INFO ] Trap strengthening (SAT) tested/added 15/14 trap constraints in 1432 ms
[2026-05-24 13:38:15] [INFO ] Computed and/alt/rep : 146/928/146 causal constraints (skipped 36 transitions) in 10 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:16] [INFO ] Deduced a trap composed of 36 places in 88 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:16] [INFO ] Deduced a trap composed of 39 places in 89 ms of which 26 ms to minimize.
[2026-05-24 13:38:16] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 236 ms
[2026-05-24 13:38:16] [INFO ] Added : 110 causal constraints over 22 iterations in 1015 ms. Result :sat
Minimization took 280 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 177 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 177/177 places, 183/183 transitions.
Applied a total of 0 rules in 3 ms. Remains 177 /177 variables (removed 0) and now considering 183/183 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 177/177 places, 183/183 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 177/177 places, 183/183 transitions.
Applied a total of 0 rules in 3 ms. Remains 177 /177 variables (removed 0) and now considering 183/183 (removed 0) transitions.
[2026-05-24 13:38:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:38:18] [INFO ] Implicit Places using invariants in 231 ms returned []
[2026-05-24 13:38:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:38:18] [INFO ] State equation strengthened by 36 read => feed constraints.
[2026-05-24 13:38:19] [INFO ] Implicit Places using invariants and state equation in 1408 ms returned []
Implicit Place search using SMT with State Equation took 1640 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 13:38:19] [INFO ] Redundant transitions in 2 ms returned []
Running 182 sub problems to find dead transitions.
[2026-05-24 13:38:19] [INFO ] Invariant cache hit.
[2026-05-24 13:38:19] [INFO ] State equation strengthened by 36 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/175 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/175 variables, 16/18 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/175 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 3 (OVERLAPS) 1/176 variables, 6/24 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/176 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 5 (OVERLAPS) 1/177 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/177 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 7 (OVERLAPS) 183/360 variables, 177/203 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/360 variables, 36/239 constraints. Problems are: Problem set: 0 solved, 182 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/360 variables, 0/239 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 10 (OVERLAPS) 0/360 variables, 0/239 constraints. Problems are: Problem set: 0 solved, 182 unsolved
No progress, stopping.
After SMT solving in domain Real declared 360/360 variables, and 239 constraints, problems are : Problem set: 0 solved, 182 unsolved in 11101 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 177/177 constraints, ReadFeed: 36/36 constraints, PredecessorRefiner: 182/182 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 182 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/175 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/175 variables, 16/18 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/175 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 3 (OVERLAPS) 1/176 variables, 6/24 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/176 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 5 (OVERLAPS) 1/177 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/177 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 7 (OVERLAPS) 183/360 variables, 177/203 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/360 variables, 36/239 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/360 variables, 182/421 constraints. Problems are: Problem set: 0 solved, 182 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:39] [INFO ] Deduced a trap composed of 12 places in 56 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:42] [INFO ] Deduced a trap composed of 74 places in 69 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:42] [INFO ] Deduced a trap composed of 74 places in 65 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:42] [INFO ] Deduced a trap composed of 58 places in 74 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:43] [INFO ] Deduced a trap composed of 69 places in 77 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:43] [INFO ] Deduced a trap composed of 70 places in 72 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:43] [INFO ] Deduced a trap composed of 70 places in 75 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:43] [INFO ] Deduced a trap composed of 70 places in 70 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:43] [INFO ] Deduced a trap composed of 70 places in 70 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:43] [INFO ] Deduced a trap composed of 62 places in 74 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:43] [INFO ] Deduced a trap composed of 64 places in 68 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:43] [INFO ] Deduced a trap composed of 64 places in 74 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:44] [INFO ] Deduced a trap composed of 46 places in 68 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:44] [INFO ] Deduced a trap composed of 42 places in 80 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:44] [INFO ] Deduced a trap composed of 42 places in 74 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:44] [INFO ] Deduced a trap composed of 39 places in 74 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:44] [INFO ] Deduced a trap composed of 38 places in 72 ms of which 11 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/360 variables, 17/438 constraints. Problems are: Problem set: 0 solved, 182 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:56] [INFO ] Deduced a trap along path composed of 8 places in 47 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:57] [INFO ] Deduced a trap along path composed of 4 places in 45 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:38:57] [INFO ] Deduced a trap along path composed of 4 places in 28 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 360/360 variables, and 441 constraints, problems are : Problem set: 0 solved, 182 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 177/177 constraints, ReadFeed: 36/36 constraints, PredecessorRefiner: 182/182 constraints, Known Traps: 17/17 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 41152ms problems are : Problem set: 0 solved, 182 unsolved
Search for dead transitions found 0 dead transitions in 41153ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42807 ms. Remains : 177/177 places, 183/183 transitions.
[2026-05-24 13:39:00] [INFO ] Flatten gal took : 16 ms
[2026-05-24 13:39:00] [INFO ] Flatten gal took : 10 ms
[2026-05-24 13:39:00] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17727574485616200665.gal : 1 ms
[2026-05-24 13:39:00] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11609714668860919166.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17727574485616200665.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11609714668860919166.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
RANDOM walk for 40000 steps (5718 resets) in 61 ms. (645 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality11609714668860919166.prop.
BEST_FIRST walk for 40003 steps (3652 resets) in 53 ms. (740 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :2 after 6
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :6 after 10
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :10 after 14
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :14 after 30
BEST_FIRST walk for 40001 steps (3683 resets) in 44 ms. (888 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :30 after 40
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :40 after 126
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :126 after 254
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :254 after 607
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :607 after 1524
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :1524 after 23429
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :23429 after 43142
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :43142 after 113065
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :113065 after 259074
SDD proceeding with computation,2 properties remain. new max is 65536
Interrupted probabilistic random walk after 522173 steps, run timeout after 3001 ms. (steps per millisecond=173 ) properties seen :0 out of 2
Probabilistic random walk after 522173 steps, saw 261132 distinct states, run finished after 3001 ms. (steps per millisecond=173 ) properties seen :0
[2026-05-24 13:39:03] [INFO ] Invariant cache hit.
[2026-05-24 13:39:03] [INFO ] State equation strengthened by 36 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD size :259074 after 541481
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 28/29 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/29 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 95/124 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/124 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 46/170 variables, 16/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:03] [INFO ] Deduced a trap composed of 4 places in 76 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:04] [INFO ] Deduced a trap composed of 7 places in 88 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:04] [INFO ] Deduced a trap composed of 9 places in 80 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:04] [INFO ] Deduced a trap composed of 10 places in 70 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:04] [INFO ] Deduced a trap composed of 10 places in 88 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:04] [INFO ] Deduced a trap composed of 10 places in 84 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:04] [INFO ] Deduced a trap composed of 12 places in 81 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:04] [INFO ] Deduced a trap composed of 13 places in 67 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:04] [INFO ] Deduced a trap composed of 13 places in 81 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:04] [INFO ] Deduced a trap composed of 16 places in 86 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:04] [INFO ] Deduced a trap composed of 16 places in 82 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:04] [INFO ] Deduced a trap composed of 18 places in 83 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:04] [INFO ] Deduced a trap composed of 18 places in 83 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:05] [INFO ] Deduced a trap composed of 19 places in 69 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:05] [INFO ] Deduced a trap composed of 19 places in 83 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:05] [INFO ] Deduced a trap composed of 19 places in 82 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:05] [INFO ] Deduced a trap composed of 22 places in 70 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:05] [INFO ] Deduced a trap composed of 24 places in 74 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:05] [INFO ] Deduced a trap composed of 37 places in 92 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:05] [INFO ] Deduced a trap composed of 25 places in 84 ms of which 14 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/170 variables, 20/44 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:05] [INFO ] Deduced a trap composed of 38 places in 100 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:05] [INFO ] Deduced a trap composed of 21 places in 71 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:05] [INFO ] Deduced a trap composed of 38 places in 104 ms of which 34 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/170 variables, 3/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/170 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 182/352 variables, 170/217 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/352 variables, 34/251 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/352 variables, 0/251 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 8/360 variables, 7/258 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/360 variables, 2/260 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/360 variables, 2/262 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/360 variables, 0/262 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 0/360 variables, 0/262 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 360/360 variables, and 262 constraints, problems are : Problem set: 0 solved, 2 unsolved in 2234 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 177/177 constraints, ReadFeed: 36/36 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 23/23 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 28/29 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/29 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 95/124 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/124 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 46/170 variables, 16/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/170 variables, 23/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:06] [INFO ] Deduced a trap composed of 9 places in 82 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:06] [INFO ] Deduced a trap composed of 13 places in 80 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:06] [INFO ] Deduced a trap composed of 15 places in 76 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:06] [INFO ] Deduced a trap composed of 16 places in 75 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:06] [INFO ] Deduced a trap composed of 35 places in 100 ms of which 29 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/170 variables, 5/52 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/170 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 182/352 variables, 170/222 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/352 variables, 34/256 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/352 variables, 2/258 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/352 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 8/360 variables, 7/265 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/360 variables, 2/267 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/360 variables, 2/269 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/360 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 0/360 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 360/360 variables, and 269 constraints, problems are : Problem set: 0 solved, 2 unsolved in 937 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 177/177 constraints, ReadFeed: 36/36 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 28/28 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3175ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
SDD proceeding with computation,2 properties remain. new max is 131072
SDD size :541481 after 4.59277e+06
Parikh walk visited 0 properties in 2765 ms.
Support contains 1 out of 177 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 177/177 places, 183/183 transitions.
Applied a total of 0 rules in 3 ms. Remains 177 /177 variables (removed 0) and now considering 183/183 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 177/177 places, 183/183 transitions.
RANDOM walk for 40000 steps (5841 resets) in 78 ms. (506 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (3652 resets) in 54 ms. (727 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40000 steps (3664 resets) in 51 ms. (769 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 491331 steps, run timeout after 3001 ms. (steps per millisecond=163 ) properties seen :0 out of 2
Probabilistic random walk after 491331 steps, saw 245714 distinct states, run finished after 3001 ms. (steps per millisecond=163 ) properties seen :0
[2026-05-24 13:39:12] [INFO ] Invariant cache hit.
[2026-05-24 13:39:12] [INFO ] State equation strengthened by 36 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 28/29 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/29 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 95/124 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/124 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 46/170 variables, 16/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:12] [INFO ] Deduced a trap composed of 4 places in 96 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:13] [INFO ] Deduced a trap composed of 7 places in 88 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:13] [INFO ] Deduced a trap composed of 9 places in 84 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:13] [INFO ] Deduced a trap composed of 10 places in 90 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:13] [INFO ] Deduced a trap composed of 10 places in 86 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:13] [INFO ] Deduced a trap composed of 10 places in 88 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:13] [INFO ] Deduced a trap composed of 12 places in 86 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:13] [INFO ] Deduced a trap composed of 13 places in 87 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:13] [INFO ] Deduced a trap composed of 13 places in 84 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:13] [INFO ] Deduced a trap composed of 16 places in 88 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,2 properties remain. new max is 262144
[2026-05-24 13:39:13] [INFO ] Deduced a trap composed of 16 places in 81 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD size :4.59277e+06 after 2.32518e+07
[2026-05-24 13:39:13] [INFO ] Deduced a trap composed of 18 places in 88 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:14] [INFO ] Deduced a trap composed of 18 places in 90 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:14] [INFO ] Deduced a trap composed of 19 places in 89 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:14] [INFO ] Deduced a trap composed of 19 places in 89 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:14] [INFO ] Deduced a trap composed of 19 places in 84 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:14] [INFO ] Deduced a trap composed of 22 places in 85 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:14] [INFO ] Deduced a trap composed of 24 places in 87 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:14] [INFO ] Deduced a trap composed of 37 places in 94 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:14] [INFO ] Deduced a trap composed of 25 places in 91 ms of which 14 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/170 variables, 20/44 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:14] [INFO ] Deduced a trap composed of 38 places in 108 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:14] [INFO ] Deduced a trap composed of 21 places in 87 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:15] [INFO ] Deduced a trap composed of 38 places in 107 ms of which 35 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/170 variables, 3/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/170 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 182/352 variables, 170/217 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/352 variables, 34/251 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/352 variables, 0/251 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 8/360 variables, 7/258 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/360 variables, 2/260 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/360 variables, 2/262 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/360 variables, 0/262 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 0/360 variables, 0/262 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 360/360 variables, and 262 constraints, problems are : Problem set: 0 solved, 2 unsolved in 2475 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 177/177 constraints, ReadFeed: 36/36 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 23/23 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 28/29 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/29 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 95/124 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/124 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 46/170 variables, 16/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/170 variables, 23/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:15] [INFO ] Deduced a trap composed of 9 places in 81 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:15] [INFO ] Deduced a trap composed of 13 places in 80 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:15] [INFO ] Deduced a trap composed of 15 places in 81 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:15] [INFO ] Deduced a trap composed of 16 places in 82 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:15] [INFO ] Deduced a trap composed of 35 places in 101 ms of which 29 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/170 variables, 5/52 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/170 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 182/352 variables, 170/222 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/352 variables, 34/256 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/352 variables, 2/258 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/352 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 8/360 variables, 7/265 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/360 variables, 2/267 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/360 variables, 2/269 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/360 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 0/360 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 360/360 variables, and 269 constraints, problems are : Problem set: 0 solved, 2 unsolved in 925 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 177/177 constraints, ReadFeed: 36/36 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 28/28 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3405ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 3437 ms.
Support contains 1 out of 177 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 177/177 places, 183/183 transitions.
Applied a total of 0 rules in 5 ms. Remains 177 /177 variables (removed 0) and now considering 183/183 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 177/177 places, 183/183 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 177/177 places, 183/183 transitions.
Applied a total of 0 rules in 2 ms. Remains 177 /177 variables (removed 0) and now considering 183/183 (removed 0) transitions.
[2026-05-24 13:39:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:39:19] [INFO ] Implicit Places using invariants in 220 ms returned []
[2026-05-24 13:39:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:39:19] [INFO ] State equation strengthened by 36 read => feed constraints.
[2026-05-24 13:39:21] [INFO ] Implicit Places using invariants and state equation in 1363 ms returned []
Implicit Place search using SMT with State Equation took 1584 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 13:39:21] [INFO ] Redundant transitions in 1 ms returned []
Running 182 sub problems to find dead transitions.
[2026-05-24 13:39:21] [INFO ] Invariant cache hit.
[2026-05-24 13:39:21] [INFO ] State equation strengthened by 36 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/175 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/175 variables, 16/18 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/175 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 3 (OVERLAPS) 1/176 variables, 6/24 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/176 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 5 (OVERLAPS) 1/177 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 182 unsolved
SDD proceeding with computation,2 properties remain. new max is 524288
SDD size :2.32518e+07 after 6.74545e+07
At refinement iteration 6 (INCLUDED_ONLY) 0/177 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 7 (OVERLAPS) 183/360 variables, 177/203 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/360 variables, 36/239 constraints. Problems are: Problem set: 0 solved, 182 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/360 variables, 0/239 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 10 (OVERLAPS) 0/360 variables, 0/239 constraints. Problems are: Problem set: 0 solved, 182 unsolved
No progress, stopping.
After SMT solving in domain Real declared 360/360 variables, and 239 constraints, problems are : Problem set: 0 solved, 182 unsolved in 11267 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 177/177 constraints, ReadFeed: 36/36 constraints, PredecessorRefiner: 182/182 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 182 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/175 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/175 variables, 16/18 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/175 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 3 (OVERLAPS) 1/176 variables, 6/24 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/176 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 5 (OVERLAPS) 1/177 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/177 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 7 (OVERLAPS) 183/360 variables, 177/203 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/360 variables, 36/239 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/360 variables, 182/421 constraints. Problems are: Problem set: 0 solved, 182 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:41] [INFO ] Deduced a trap composed of 12 places in 57 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:44] [INFO ] Deduced a trap composed of 74 places in 72 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:44] [INFO ] Deduced a trap composed of 74 places in 72 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:44] [INFO ] Deduced a trap composed of 58 places in 81 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:45] [INFO ] Deduced a trap composed of 69 places in 80 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:45] [INFO ] Deduced a trap composed of 70 places in 74 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:45] [INFO ] Deduced a trap composed of 70 places in 76 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:45] [INFO ] Deduced a trap composed of 70 places in 75 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:45] [INFO ] Deduced a trap composed of 70 places in 71 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:45] [INFO ] Deduced a trap composed of 62 places in 76 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:46] [INFO ] Deduced a trap composed of 64 places in 81 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:46] [INFO ] Deduced a trap composed of 64 places in 81 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:46] [INFO ] Deduced a trap composed of 46 places in 84 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:46] [INFO ] Deduced a trap composed of 42 places in 80 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:46] [INFO ] Deduced a trap composed of 42 places in 81 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:46] [INFO ] Deduced a trap composed of 39 places in 77 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:46] [INFO ] Deduced a trap composed of 38 places in 73 ms of which 12 ms to minimize.
Detected timeout of ITS tools.
[2026-05-24 13:39:50] [INFO ] Flatten gal took : 13 ms
[2026-05-24 13:39:50] [INFO ] Applying decomposition
[2026-05-24 13:39:50] [INFO ] Flatten gal took : 9 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph12772161374227919570.txt' '-o' '/tmp/graph12772161374227919570.bin' '-w' '/tmp/graph12772161374227919570.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph12772161374227919570.bin' '-l' '-1' '-v' '-w' '/tmp/graph12772161374227919570.weights' '-q' '0' '-e' '0.001'
[2026-05-24 13:39:50] [INFO ] Decomposing Gal with order
[2026-05-24 13:39:50] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 13:39:50] [INFO ] Removed a total of 93 redundant transitions.
[2026-05-24 13:39:50] [INFO ] Flatten gal took : 28 ms
[2026-05-24 13:39:50] [INFO ] Fuse similar labels procedure discarded/fused a total of 90 labels/synchronizations in 12 ms.
[2026-05-24 13:39:50] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13270700750065272555.gal : 3 ms
[2026-05-24 13:39:50] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3330499715513459713.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13270700750065272555.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3330499715513459713.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality3330499715513459713.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 14
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :14 after 40
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :40 after 1038
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :1038 after 1206
At refinement iteration 10 (INCLUDED_ONLY) 0/360 variables, 17/438 constraints. Problems are: Problem set: 0 solved, 182 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:59] [INFO ] Deduced a trap along path composed of 8 places in 42 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:59] [INFO ] Deduced a trap along path composed of 4 places in 38 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:39:59] [INFO ] Deduced a trap along path composed of 4 places in 39 ms of which 0 ms to minimize.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 360/360 variables, and 441 constraints, problems are : Problem set: 0 solved, 182 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 177/177 constraints, ReadFeed: 36/36 constraints, PredecessorRefiner: 182/182 constraints, Known Traps: 17/17 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 41323ms problems are : Problem set: 0 solved, 182 unsolved
Search for dead transitions found 0 dead transitions in 41325ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42921 ms. Remains : 177/177 places, 183/183 transitions.
Attempting over-approximation, by ignoring read arcs.
Performed 17 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 17 Pre rules applied. Total rules applied 0 place count 177 transition count 166
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 0 with 34 rules applied. Total rules applied 34 place count 160 transition count 166
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 42 place count 152 transition count 158
Iterating global reduction 0 with 8 rules applied. Total rules applied 50 place count 152 transition count 158
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 51 place count 152 transition count 157
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 52 place count 151 transition count 157
Applied a total of 52 rules in 14 ms. Remains 151 /177 variables (removed 26) and now considering 157/183 (removed 26) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 157 rows 151 cols
[2026-05-24 13:40:02] [INFO ] Computed 26 invariants in 11 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-24 13:40:02] [INFO ] [Real]Absence check using 8 positive place invariants in 4 ms returned sat
[2026-05-24 13:40:02] [INFO ] [Real]Absence check using 8 positive and 18 generalized place invariants in 3 ms returned sat
[2026-05-24 13:40:02] [INFO ] After 81ms SMT Verify possible using state equation in real domain returned unsat :0 sat :2
[2026-05-24 13:40:02] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-24 13:40:02] [INFO ] After 11ms SMT Verify possible using 3 Read/Feed constraints in real domain returned unsat :0 sat :2
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:40:02] [INFO ] Deduced a trap composed of 5 places in 60 ms of which 4 ms to minimize.
TRAPS : Iteration 1
[2026-05-24 13:40:02] [INFO ] After 99ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:2
[2026-05-24 13:40:02] [INFO ] After 226ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-24 13:40:02] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-24 13:40:02] [INFO ] [Nat]Absence check using 8 positive and 18 generalized place invariants in 3 ms returned sat
[2026-05-24 13:40:02] [INFO ] After 79ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2026-05-24 13:40:02] [INFO ] After 13ms SMT Verify possible using 3 Read/Feed constraints in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:40:03] [INFO ] Deduced a trap composed of 5 places in 59 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:40:03] [INFO ] Deduced a trap composed of 7 places in 61 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:40:03] [INFO ] Deduced a trap composed of 22 places in 64 ms of which 11 ms to minimize.
[2026-05-24 13:40:03] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 212 ms
TRAPS : Iteration 1
[2026-05-24 13:40:03] [INFO ] After 264ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2026-05-24 13:40:03] [INFO ] After 400ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2026-05-24 13:40:03] [INFO ] Flatten gal took : 9 ms
[2026-05-24 13:40:03] [INFO ] Flatten gal took : 7 ms
[2026-05-24 13:40:03] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9763807583137814818.gal : 1 ms
[2026-05-24 13:40:03] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1916326792873909557.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality9763807583137814818.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1916326792873909557.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality1916326792873909557.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :3 after 13
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :13 after 31
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :31 after 52
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :52 after 63
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :63 after 171
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :171 after 306
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :306 after 1280
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1280 after 3545
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :3545 after 13276
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :13276 after 31503
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :31503 after 69687
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :69687 after 159354
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :159354 after 345685
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :345685 after 739215
SDD proceeding with computation,2 properties remain. new max is 131072
SDD size :739215 after 1.55185e+06
SDD proceeding with computation,2 properties remain. new max is 262144
SDD size :1.55185e+06 after 3.21294e+06
Detected timeout of ITS tools.
[2026-05-24 13:40:18] [INFO ] Flatten gal took : 7 ms
[2026-05-24 13:40:18] [INFO ] Applying decomposition
[2026-05-24 13:40:18] [INFO ] Flatten gal took : 6 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph9838453317055007336.txt' '-o' '/tmp/graph9838453317055007336.bin' '-w' '/tmp/graph9838453317055007336.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph9838453317055007336.bin' '-l' '-1' '-v' '-w' '/tmp/graph9838453317055007336.weights' '-q' '0' '-e' '0.001'
[2026-05-24 13:40:18] [INFO ] Decomposing Gal with order
[2026-05-24 13:40:18] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 13:40:18] [INFO ] Removed a total of 96 redundant transitions.
[2026-05-24 13:40:18] [INFO ] Flatten gal took : 28 ms
[2026-05-24 13:40:18] [INFO ] Fuse similar labels procedure discarded/fused a total of 34 labels/synchronizations in 3 ms.
[2026-05-24 13:40:18] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3141454925048124848.gal : 4 ms
[2026-05-24 13:40:18] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9287294863340655085.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality3141454925048124848.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9287294863340655085.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality9287294863340655085.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 29648
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30853 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[1]
Ending property specific reduction for DoubleExponent-PT-010-UpperBounds-01 in 165995 ms.
Starting property specific reduction for DoubleExponent-PT-010-UpperBounds-02
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[1]
// Phase 1: matrix 227 rows 223 cols
[2026-05-24 13:40:33] [INFO ] Computed 31 invariants in 13 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 10000 steps (1439 resets) in 12 ms. (769 steps per ms)
BEST_FIRST walk for 10001 steps (929 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-24 13:40:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:40:33] [INFO ] [Real]Absence check using 8 positive place invariants in 6 ms returned sat
[2026-05-24 13:40:33] [INFO ] [Real]Absence check using 8 positive and 23 generalized place invariants in 5 ms returned sat
[2026-05-24 13:40:33] [INFO ] [Real]Absence check using state equation in 95 ms returned sat
[2026-05-24 13:40:33] [INFO ] State equation strengthened by 32 read => feed constraints.
[2026-05-24 13:40:33] [INFO ] [Real]Added 32 Read/Feed constraints in 43 ms returned sat
[2026-05-24 13:40:33] [INFO ] Computed and/alt/rep : 193/1079/193 causal constraints (skipped 33 transitions) in 10 ms.
[2026-05-24 13:40:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:40:33] [INFO ] [Nat]Absence check using 8 positive place invariants in 7 ms returned sat
[2026-05-24 13:40:33] [INFO ] [Nat]Absence check using 8 positive and 23 generalized place invariants in 4 ms returned sat
[2026-05-24 13:40:33] [INFO ] [Nat]Absence check using state equation in 103 ms returned sat
[2026-05-24 13:40:34] [INFO ] [Nat]Added 32 Read/Feed constraints in 128 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:40:34] [INFO ] Deduced a trap composed of 28 places in 107 ms of which 17 ms to minimize.
[2026-05-24 13:40:34] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 142 ms
[2026-05-24 13:40:34] [INFO ] Computed and/alt/rep : 193/1079/193 causal constraints (skipped 33 transitions) in 13 ms.
[2026-05-24 13:40:35] [INFO ] Added : 115 causal constraints over 23 iterations in 1677 ms. Result :sat
Minimization took 418 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 223 places. Attempting structural reductions.
Drop transitions (Removing consumers from one bounded place p392) removed 2 transitions
Starting structural reductions in REACHABILITY mode, iteration 0 : 223/223 places, 225/225 transitions.
Reduce places removed 2 places and 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 221 transition count 221
Reduce places removed 4 places and 4 transitions.
Graph (complete) has 1018 edges and 217 vertex of which 216 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Iterating post reduction 1 with 5 rules applied. Total rules applied 9 place count 216 transition count 217
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 9 place count 216 transition count 216
Deduced a syphon composed of 52 places in 0 ms
Reduce places removed 52 places and 59 transitions.
Iterating global reduction 2 with 53 rules applied. Total rules applied 62 place count 164 transition count 157
Reduce places removed 6 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 2 with 8 rules applied. Total rules applied 70 place count 158 transition count 155
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 72 place count 156 transition count 155
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 72 place count 156 transition count 154
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 74 place count 155 transition count 154
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 76 place count 154 transition count 153
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 80 place count 152 transition count 153
Free-agglomeration rule (complex) applied 3 times.
Iterating global reduction 4 with 3 rules applied. Total rules applied 83 place count 152 transition count 150
Ensure Unique test removed 1 places
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 87 place count 148 transition count 150
Applied a total of 87 rules in 14 ms. Remains 148 /223 variables (removed 75) and now considering 150/225 (removed 75) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 148/223 places, 150/225 transitions.
// Phase 1: matrix 150 rows 148 cols
[2026-05-24 13:40:36] [INFO ] Computed 23 invariants in 9 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (144286 resets) in 653 ms. (1529 steps per ms)
BEST_FIRST walk for 1000001 steps (91443 resets) in 459 ms. (2173 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-24 13:40:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:40:38] [INFO ] [Real]Absence check using 10 positive place invariants in 4 ms returned sat
[2026-05-24 13:40:38] [INFO ] [Real]Absence check using 10 positive and 13 generalized place invariants in 2 ms returned sat
[2026-05-24 13:40:38] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2026-05-24 13:40:38] [INFO ] State equation strengthened by 28 read => feed constraints.
[2026-05-24 13:40:38] [INFO ] [Real]Added 28 Read/Feed constraints in 40 ms returned sat
[2026-05-24 13:40:38] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:40:38] [INFO ] [Nat]Absence check using 10 positive place invariants in 4 ms returned sat
[2026-05-24 13:40:38] [INFO ] [Nat]Absence check using 10 positive and 13 generalized place invariants in 2 ms returned sat
[2026-05-24 13:40:38] [INFO ] [Nat]Absence check using state equation in 51 ms returned sat
[2026-05-24 13:40:38] [INFO ] [Nat]Added 28 Read/Feed constraints in 39 ms returned sat
[2026-05-24 13:40:38] [INFO ] Computed and/alt/rep : 123/773/123 causal constraints (skipped 26 transitions) in 7 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:40:38] [INFO ] Deduced a trap composed of 12 places in 40 ms of which 3 ms to minimize.
[2026-05-24 13:40:38] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 80 ms
[2026-05-24 13:40:38] [INFO ] Added : 108 causal constraints over 22 iterations in 527 ms. Result :sat
Minimization took 198 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 148 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 148/148 places, 150/150 transitions.
Applied a total of 0 rules in 3 ms. Remains 148 /148 variables (removed 0) and now considering 150/150 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 148/148 places, 150/150 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 148/148 places, 150/150 transitions.
Applied a total of 0 rules in 2 ms. Remains 148 /148 variables (removed 0) and now considering 150/150 (removed 0) transitions.
[2026-05-24 13:40:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:40:39] [INFO ] Implicit Places using invariants in 152 ms returned []
[2026-05-24 13:40:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:40:39] [INFO ] State equation strengthened by 28 read => feed constraints.
[2026-05-24 13:40:40] [INFO ] Implicit Places using invariants and state equation in 734 ms returned [120]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 888 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 147/148 places, 150/150 transitions.
Applied a total of 0 rules in 4 ms. Remains 147 /147 variables (removed 0) and now considering 150/150 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 894 ms. Remains : 147/148 places, 150/150 transitions.
// Phase 1: matrix 150 rows 147 cols
[2026-05-24 13:40:40] [INFO ] Computed 23 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (144237 resets) in 650 ms. (1536 steps per ms)
BEST_FIRST walk for 1000001 steps (91458 resets) in 459 ms. (2173 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-24 13:40:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:40:41] [INFO ] [Real]Absence check using 8 positive place invariants in 4 ms returned sat
[2026-05-24 13:40:41] [INFO ] [Real]Absence check using 8 positive and 15 generalized place invariants in 2 ms returned sat
[2026-05-24 13:40:41] [INFO ] [Real]Absence check using state equation in 45 ms returned sat
[2026-05-24 13:40:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:40:41] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-24 13:40:41] [INFO ] [Nat]Absence check using 8 positive and 15 generalized place invariants in 2 ms returned sat
[2026-05-24 13:40:41] [INFO ] [Nat]Absence check using state equation in 44 ms returned sat
[2026-05-24 13:40:41] [INFO ] State equation strengthened by 28 read => feed constraints.
[2026-05-24 13:40:41] [INFO ] [Nat]Added 28 Read/Feed constraints in 37 ms returned sat
[2026-05-24 13:40:41] [INFO ] Computed and/alt/rep : 123/773/123 causal constraints (skipped 26 transitions) in 7 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:40:42] [INFO ] Deduced a trap composed of 12 places in 42 ms of which 3 ms to minimize.
[2026-05-24 13:40:42] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 76 ms
[2026-05-24 13:40:42] [INFO ] Added : 97 causal constraints over 20 iterations in 754 ms. Result :sat
Minimization took 147 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 147 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 147/147 places, 150/150 transitions.
Applied a total of 0 rules in 2 ms. Remains 147 /147 variables (removed 0) and now considering 150/150 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 147/147 places, 150/150 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 147/147 places, 150/150 transitions.
Applied a total of 0 rules in 2 ms. Remains 147 /147 variables (removed 0) and now considering 150/150 (removed 0) transitions.
[2026-05-24 13:40:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:40:43] [INFO ] Implicit Places using invariants in 149 ms returned []
[2026-05-24 13:40:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:40:43] [INFO ] State equation strengthened by 28 read => feed constraints.
[2026-05-24 13:40:43] [INFO ] Implicit Places using invariants and state equation in 854 ms returned []
Implicit Place search using SMT with State Equation took 1004 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 13:40:43] [INFO ] Redundant transitions in 1 ms returned []
Running 149 sub problems to find dead transitions.
[2026-05-24 13:40:43] [INFO ] Invariant cache hit.
[2026-05-24 13:40:43] [INFO ] State equation strengthened by 28 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/145 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/145 variables, 15/17 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/145 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 3 (OVERLAPS) 2/147 variables, 6/23 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 5 (OVERLAPS) 150/297 variables, 147/170 constraints. Problems are: Problem set: 0 solved, 149 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/297 variables, 28/198 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/297 variables, 0/198 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 8 (OVERLAPS) 0/297 variables, 0/198 constraints. Problems are: Problem set: 0 solved, 149 unsolved
No progress, stopping.
After SMT solving in domain Real declared 297/297 variables, and 198 constraints, problems are : Problem set: 0 solved, 149 unsolved in 5838 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 147/147 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 149/149 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 149 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/145 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/145 variables, 15/17 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/145 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 3 (OVERLAPS) 2/147 variables, 6/23 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 5 (OVERLAPS) 150/297 variables, 147/170 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/297 variables, 28/198 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/297 variables, 149/347 constraints. Problems are: Problem set: 0 solved, 149 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:40:53] [INFO ] Deduced a trap composed of 4 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:40:53] [INFO ] Deduced a trap composed of 22 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:40:53] [INFO ] Deduced a trap composed of 8 places in 50 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/297 variables, 3/350 constraints. Problems are: Problem set: 0 solved, 149 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:40:58] [INFO ] Deduced a trap composed of 9 places in 72 ms of which 6 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/297 variables, 1/351 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/297 variables, 0/351 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 11 (OVERLAPS) 0/297 variables, 0/351 constraints. Problems are: Problem set: 0 solved, 149 unsolved
No progress, stopping.
After SMT solving in domain Int declared 297/297 variables, and 351 constraints, problems are : Problem set: 0 solved, 149 unsolved in 24396 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 147/147 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 149/149 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 30262ms problems are : Problem set: 0 solved, 149 unsolved
Search for dead transitions found 0 dead transitions in 30263ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31279 ms. Remains : 147/147 places, 150/150 transitions.
[2026-05-24 13:41:14] [INFO ] Flatten gal took : 16 ms
RANDOM walk for 40000 steps (5839 resets) in 65 ms. (606 steps per ms) remains 2/2 properties
[2026-05-24 13:41:14] [INFO ] Flatten gal took : 7 ms
[2026-05-24 13:41:14] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16086702547170417881.gal : 2 ms
[2026-05-24 13:41:14] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4495385048561402195.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality16086702547170417881.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4495385048561402195.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
BEST_FIRST walk for 40001 steps (3604 resets) in 63 ms. (625 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality4495385048561402195.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :2 after 6
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :6 after 10
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :10 after 14
BEST_FIRST walk for 40001 steps (3577 resets) in 55 ms. (714 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :14 after 27
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :27 after 40
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :40 after 126
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :126 after 254
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :254 after 705
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :705 after 4350
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :4350 after 24076
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :24076 after 43697
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :43697 after 121047
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :121047 after 259434
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :259434 after 552419
Interrupted probabilistic random walk after 639272 steps, run timeout after 3001 ms. (steps per millisecond=213 ) properties seen :0 out of 2
Probabilistic random walk after 639272 steps, saw 319700 distinct states, run finished after 3001 ms. (steps per millisecond=213 ) properties seen :0
[2026-05-24 13:41:17] [INFO ] Invariant cache hit.
[2026-05-24 13:41:17] [INFO ] State equation strengthened by 28 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 100/101 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:41:17] [INFO ] Deduced a trap composed of 3 places in 48 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/101 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/101 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 42/143 variables, 15/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:41:17] [INFO ] Deduced a trap composed of 4 places in 52 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:41:17] [INFO ] Deduced a trap composed of 7 places in 60 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:41:17] [INFO ] Deduced a trap composed of 7 places in 59 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:41:17] [INFO ] Deduced a trap composed of 10 places in 52 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:41:17] [INFO ] Deduced a trap composed of 10 places in 49 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:41:17] [INFO ] Deduced a trap composed of 12 places in 50 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/143 variables, 6/28 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 150/293 variables, 143/171 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/293 variables, 28/199 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/293 variables, 0/199 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 4/297 variables, 4/203 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/297 variables, 2/205 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/297 variables, 0/205 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/297 variables, 0/205 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 297/297 variables, and 205 constraints, problems are : Problem set: 0 solved, 2 unsolved in 650 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 147/147 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 100/101 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/101 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/101 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 42/143 variables, 15/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/143 variables, 6/28 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:41:18] [INFO ] Deduced a trap composed of 6 places in 49 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/143 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 150/293 variables, 143/172 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/293 variables, 28/200 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/293 variables, 2/202 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/293 variables, 0/202 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 4/297 variables, 4/206 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/297 variables, 2/208 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/297 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 0/297 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 297/297 variables, and 208 constraints, problems are : Problem set: 0 solved, 2 unsolved in 340 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 147/147 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 995ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1620 ms.
Support contains 1 out of 147 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 147/147 places, 150/150 transitions.
Applied a total of 0 rules in 2 ms. Remains 147 /147 variables (removed 0) and now considering 150/150 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 147/147 places, 150/150 transitions.
RANDOM walk for 40000 steps (5822 resets) in 59 ms. (666 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40000 steps (3631 resets) in 52 ms. (754 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (3630 resets) in 74 ms. (533 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 131072
SDD size :552419 after 7.56716e+06
Interrupted probabilistic random walk after 502139 steps, run timeout after 3001 ms. (steps per millisecond=167 ) properties seen :0 out of 2
Probabilistic random walk after 502139 steps, saw 251117 distinct states, run finished after 3001 ms. (steps per millisecond=167 ) properties seen :0
[2026-05-24 13:41:22] [INFO ] Invariant cache hit.
[2026-05-24 13:41:22] [INFO ] State equation strengthened by 28 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 100/101 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:41:23] [INFO ] Deduced a trap composed of 3 places in 57 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/101 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/101 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 42/143 variables, 15/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:41:23] [INFO ] Deduced a trap composed of 4 places in 69 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:41:23] [INFO ] Deduced a trap composed of 7 places in 65 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:41:23] [INFO ] Deduced a trap composed of 7 places in 65 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:41:23] [INFO ] Deduced a trap composed of 10 places in 65 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:41:23] [INFO ] Deduced a trap composed of 10 places in 61 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:41:23] [INFO ] Deduced a trap composed of 12 places in 54 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/143 variables, 6/28 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 150/293 variables, 143/171 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/293 variables, 28/199 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/293 variables, 0/199 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 4/297 variables, 4/203 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/297 variables, 2/205 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/297 variables, 0/205 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/297 variables, 0/205 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 297/297 variables, and 205 constraints, problems are : Problem set: 0 solved, 2 unsolved in 695 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 147/147 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 100/101 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/101 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/101 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 42/143 variables, 15/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/143 variables, 6/28 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:41:23] [INFO ] Deduced a trap composed of 6 places in 58 ms of which 5 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/143 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 150/293 variables, 143/172 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/293 variables, 28/200 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/293 variables, 2/202 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/293 variables, 0/202 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 4/297 variables, 4/206 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/297 variables, 2/208 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/297 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 0/297 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 297/297 variables, and 208 constraints, problems are : Problem set: 0 solved, 2 unsolved in 329 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 147/147 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1028ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
SDD proceeding with computation,2 properties remain. new max is 262144
SDD size :7.56716e+06 after 4.18801e+07
Parikh walk visited 0 properties in 1928 ms.
Support contains 1 out of 147 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 147/147 places, 150/150 transitions.
Applied a total of 0 rules in 2 ms. Remains 147 /147 variables (removed 0) and now considering 150/150 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 147/147 places, 150/150 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 147/147 places, 150/150 transitions.
Applied a total of 0 rules in 2 ms. Remains 147 /147 variables (removed 0) and now considering 150/150 (removed 0) transitions.
[2026-05-24 13:41:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:41:26] [INFO ] Implicit Places using invariants in 157 ms returned []
[2026-05-24 13:41:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:41:26] [INFO ] State equation strengthened by 28 read => feed constraints.
[2026-05-24 13:41:26] [INFO ] Implicit Places using invariants and state equation in 839 ms returned []
Implicit Place search using SMT with State Equation took 998 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 13:41:26] [INFO ] Redundant transitions in 1 ms returned []
Running 149 sub problems to find dead transitions.
[2026-05-24 13:41:26] [INFO ] Invariant cache hit.
[2026-05-24 13:41:26] [INFO ] State equation strengthened by 28 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/145 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/145 variables, 15/17 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/145 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 3 (OVERLAPS) 2/147 variables, 6/23 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 5 (OVERLAPS) 150/297 variables, 147/170 constraints. Problems are: Problem set: 0 solved, 149 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/297 variables, 28/198 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/297 variables, 0/198 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 8 (OVERLAPS) 0/297 variables, 0/198 constraints. Problems are: Problem set: 0 solved, 149 unsolved
No progress, stopping.
After SMT solving in domain Real declared 297/297 variables, and 198 constraints, problems are : Problem set: 0 solved, 149 unsolved in 5854 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 147/147 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 149/149 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 149 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/145 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/145 variables, 15/17 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/145 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 3 (OVERLAPS) 2/147 variables, 6/23 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 5 (OVERLAPS) 150/297 variables, 147/170 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/297 variables, 28/198 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/297 variables, 149/347 constraints. Problems are: Problem set: 0 solved, 149 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:41:36] [INFO ] Deduced a trap composed of 4 places in 51 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:41:36] [INFO ] Deduced a trap composed of 22 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:41:36] [INFO ] Deduced a trap composed of 8 places in 57 ms of which 3 ms to minimize.
SDD proceeding with computation,2 properties remain. new max is 524288
SDD size :4.18801e+07 after 1.25213e+08
At refinement iteration 8 (INCLUDED_ONLY) 0/297 variables, 3/350 constraints. Problems are: Problem set: 0 solved, 149 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:41:41] [INFO ] Deduced a trap composed of 9 places in 70 ms of which 6 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/297 variables, 1/351 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/297 variables, 0/351 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 11 (OVERLAPS) 0/297 variables, 0/351 constraints. Problems are: Problem set: 0 solved, 149 unsolved
No progress, stopping.
After SMT solving in domain Int declared 297/297 variables, and 351 constraints, problems are : Problem set: 0 solved, 149 unsolved in 24255 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 147/147 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 149/149 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 30139ms problems are : Problem set: 0 solved, 149 unsolved
Search for dead transitions found 0 dead transitions in 30140ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31146 ms. Remains : 147/147 places, 150/150 transitions.
Attempting over-approximation, by ignoring read arcs.
Performed 14 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 14 Pre rules applied. Total rules applied 0 place count 147 transition count 136
Deduced a syphon composed of 14 places in 0 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 0 with 28 rules applied. Total rules applied 28 place count 133 transition count 136
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 35 place count 126 transition count 129
Iterating global reduction 0 with 7 rules applied. Total rules applied 42 place count 126 transition count 129
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 43 place count 126 transition count 128
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 44 place count 125 transition count 128
Applied a total of 44 rules in 13 ms. Remains 125 /147 variables (removed 22) and now considering 128/150 (removed 22) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 128 rows 125 cols
[2026-05-24 13:41:57] [INFO ] Computed 23 invariants in 4 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-24 13:41:57] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2026-05-24 13:41:57] [INFO ] [Real]Absence check using 4 positive and 19 generalized place invariants in 4 ms returned sat
[2026-05-24 13:41:57] [INFO ] After 53ms SMT Verify possible using state equation in real domain returned unsat :0 sat :2
[2026-05-24 13:41:57] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 13:41:57] [INFO ] After 11ms SMT Verify possible using 1 Read/Feed constraints in real domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2026-05-24 13:41:57] [INFO ] After 27ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :2
[2026-05-24 13:41:57] [INFO ] After 138ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :2
[2026-05-24 13:41:57] [INFO ] Flatten gal took : 7 ms
[2026-05-24 13:41:57] [INFO ] Flatten gal took : 5 ms
[2026-05-24 13:41:57] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4047609652866656255.gal : 1 ms
[2026-05-24 13:41:57] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality903386597852083082.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality4047609652866656255.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality903386597852083082.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...327
Loading property file /tmp/ReachabilityCardinality903386597852083082.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :3 after 13
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :13 after 31
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :31 after 52
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :52 after 63
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :63 after 171
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :171 after 316
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :316 after 1014
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1014 after 3495
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :3495 after 8787
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :8787 after 19875
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :19875 after 45045
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :45045 after 98361
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :98361 after 205765
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :205765 after 425433
SDD proceeding with computation,2 properties remain. new max is 1048576
SDD size :1.25213e+08 after 3.098e+08
SDD proceeding with computation,2 properties remain. new max is 131072
SDD size :425433 after 881957
Detected timeout of ITS tools.
[2026-05-24 13:42:04] [INFO ] Flatten gal took : 6 ms
[2026-05-24 13:42:04] [INFO ] Applying decomposition
[2026-05-24 13:42:04] [INFO ] Flatten gal took : 6 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph10623336648445594090.txt' '-o' '/tmp/graph10623336648445594090.bin' '-w' '/tmp/graph10623336648445594090.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph10623336648445594090.bin' '-l' '-1' '-v' '-w' '/tmp/graph10623336648445594090.weights' '-q' '0' '-e' '0.001'
[2026-05-24 13:42:04] [INFO ] Decomposing Gal with order
[2026-05-24 13:42:04] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 13:42:04] [INFO ] Removed a total of 79 redundant transitions.
[2026-05-24 13:42:04] [INFO ] Flatten gal took : 14 ms
[2026-05-24 13:42:04] [INFO ] Fuse similar labels procedure discarded/fused a total of 76 labels/synchronizations in 4 ms.
[2026-05-24 13:42:04] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16333053643564585375.gal : 1 ms
[2026-05-24 13:42:04] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1523868155674666069.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality16333053643564585375.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1523868155674666069.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality1523868155674666069.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :10 after 27
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :27 after 63
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :63 after 1165
SDD proceeding with computation,2 properties remain. new max is 262144
SDD size :881957 after 1.76349e+06
Detected timeout of ITS tools.
[2026-05-24 13:42:12] [INFO ] Flatten gal took : 9 ms
[2026-05-24 13:42:12] [INFO ] Applying decomposition
[2026-05-24 13:42:12] [INFO ] Flatten gal took : 4 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph11483423686943740083.txt' '-o' '/tmp/graph11483423686943740083.bin' '-w' '/tmp/graph11483423686943740083.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph11483423686943740083.bin' '-l' '-1' '-v' '-w' '/tmp/graph11483423686943740083.weights' '-q' '0' '-e' '0.001'
[2026-05-24 13:42:12] [INFO ] Decomposing Gal with order
[2026-05-24 13:42:12] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 13:42:12] [INFO ] Removed a total of 78 redundant transitions.
[2026-05-24 13:42:12] [INFO ] Flatten gal took : 11 ms
[2026-05-24 13:42:12] [INFO ] Fuse similar labels procedure discarded/fused a total of 22 labels/synchronizations in 3 ms.
[2026-05-24 13:42:12] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13558539791957238603.gal : 2 ms
[2026-05-24 13:42:12] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15005255546031897551.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13558539791957238603.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15005255546031897551.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityCardinality15005255546031897551.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 27034
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :1165 after 749391
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :749391 after 1.13829e+07
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30309 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[1]
Ending property specific reduction for DoubleExponent-PT-010-UpperBounds-02 in 113963 ms.
Starting property specific reduction for DoubleExponent-PT-010-UpperBounds-03
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[1]
// Phase 1: matrix 227 rows 223 cols
[2026-05-24 13:42:27] [INFO ] Computed 31 invariants in 12 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 10000 steps (1446 resets) in 12 ms. (769 steps per ms)
BEST_FIRST walk for 10000 steps (930 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-24 13:42:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:42:27] [INFO ] [Real]Absence check using 8 positive place invariants in 5 ms returned sat
[2026-05-24 13:42:27] [INFO ] [Real]Absence check using 8 positive and 23 generalized place invariants in 4 ms returned sat
[2026-05-24 13:42:27] [INFO ] [Real]Absence check using state equation in 88 ms returned sat
[2026-05-24 13:42:27] [INFO ] State equation strengthened by 32 read => feed constraints.
[2026-05-24 13:42:27] [INFO ] [Real]Added 32 Read/Feed constraints in 134 ms returned sat
[2026-05-24 13:42:27] [INFO ] Computed and/alt/rep : 193/1079/193 causal constraints (skipped 33 transitions) in 11 ms.
[2026-05-24 13:42:27] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:42:27] [INFO ] [Nat]Absence check using 8 positive place invariants in 5 ms returned sat
[2026-05-24 13:42:27] [INFO ] [Nat]Absence check using 8 positive and 23 generalized place invariants in 4 ms returned sat
[2026-05-24 13:42:27] [INFO ] [Nat]Absence check using state equation in 83 ms returned sat
[2026-05-24 13:42:28] [INFO ] [Nat]Added 32 Read/Feed constraints in 224 ms returned sat
[2026-05-24 13:42:28] [INFO ] Computed and/alt/rep : 193/1079/193 causal constraints (skipped 33 transitions) in 12 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:42:30] [INFO ] Deduced a trap composed of 4 places in 75 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:42:30] [INFO ] Deduced a trap composed of 3 places in 68 ms of which 4 ms to minimize.
[2026-05-24 13:42:30] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 235 ms
[2026-05-24 13:42:30] [INFO ] Added : 144 causal constraints over 29 iterations in 1988 ms. Result :sat
Minimization took 505 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 223 places. Attempting structural reductions.
Drop transitions (Removing consumers from one bounded place p434) removed 2 transitions
Starting structural reductions in REACHABILITY mode, iteration 0 : 223/223 places, 225/225 transitions.
Reduce places removed 1 places and 3 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 222 transition count 220
Reduce places removed 3 places and 2 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 6 place count 219 transition count 218
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 6 place count 219 transition count 216
Deduced a syphon composed of 37 places in 1 ms
Reduce places removed 37 places and 36 transitions.
Iterating global reduction 2 with 39 rules applied. Total rules applied 45 place count 182 transition count 180
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 48 place count 179 transition count 180
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 3 with 10 rules applied. Total rules applied 58 place count 174 transition count 175
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 3 with 6 rules applied. Total rules applied 64 place count 171 transition count 175
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 3 with 2 rules applied. Total rules applied 66 place count 171 transition count 173
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 68 place count 169 transition count 173
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 69 place count 169 transition count 173
Applied a total of 69 rules in 22 ms. Remains 169 /223 variables (removed 54) and now considering 173/225 (removed 52) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23 ms. Remains : 169/223 places, 173/225 transitions.
// Phase 1: matrix 173 rows 169 cols
[2026-05-24 13:42:30] [INFO ] Computed 26 invariants in 9 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (144249 resets) in 674 ms. (1481 steps per ms)
BEST_FIRST walk for 1000001 steps (91575 resets) in 473 ms. (2109 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-24 13:42:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:42:31] [INFO ] [Real]Absence check using 8 positive place invariants in 4 ms returned sat
[2026-05-24 13:42:31] [INFO ] [Real]Absence check using 8 positive and 18 generalized place invariants in 3 ms returned sat
[2026-05-24 13:42:32] [INFO ] [Real]Absence check using state equation in 60 ms returned sat
[2026-05-24 13:42:32] [INFO ] State equation strengthened by 34 read => feed constraints.
[2026-05-24 13:42:32] [INFO ] [Real]Added 34 Read/Feed constraints in 47 ms returned sat
[2026-05-24 13:42:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:42:32] [INFO ] [Nat]Absence check using 8 positive place invariants in 4 ms returned sat
[2026-05-24 13:42:32] [INFO ] [Nat]Absence check using 8 positive and 18 generalized place invariants in 3 ms returned sat
[2026-05-24 13:42:32] [INFO ] [Nat]Absence check using state equation in 61 ms returned sat
[2026-05-24 13:42:32] [INFO ] [Nat]Added 34 Read/Feed constraints in 61 ms returned sat
[2026-05-24 13:42:32] [INFO ] Computed and/alt/rep : 140/897/140 causal constraints (skipped 32 transitions) in 11 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:42:32] [INFO ] Deduced a trap composed of 18 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:42:32] [INFO ] Deduced a trap composed of 22 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:42:33] [INFO ] Deduced a trap composed of 25 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:42:33] [INFO ] Deduced a trap composed of 25 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:42:33] [INFO ] Deduced a trap composed of 25 places in 37 ms of which 2 ms to minimize.
[2026-05-24 13:42:33] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 378 ms
[2026-05-24 13:42:33] [INFO ] Added : 91 causal constraints over 19 iterations in 1011 ms. Result :sat
Minimization took 232 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 169 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 169/169 places, 173/173 transitions.
Applied a total of 0 rules in 3 ms. Remains 169 /169 variables (removed 0) and now considering 173/173 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 169/169 places, 173/173 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 169/169 places, 173/173 transitions.
Applied a total of 0 rules in 5 ms. Remains 169 /169 variables (removed 0) and now considering 173/173 (removed 0) transitions.
[2026-05-24 13:42:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:42:37] [INFO ] Implicit Places using invariants in 205 ms returned []
[2026-05-24 13:42:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:42:37] [INFO ] State equation strengthened by 34 read => feed constraints.
[2026-05-24 13:42:38] [INFO ] Implicit Places using invariants and state equation in 858 ms returned [143]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 1064 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 168/169 places, 173/173 transitions.
Applied a total of 0 rules in 5 ms. Remains 168 /168 variables (removed 0) and now considering 173/173 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 1075 ms. Remains : 168/169 places, 173/173 transitions.
// Phase 1: matrix 173 rows 168 cols
[2026-05-24 13:42:38] [INFO ] Computed 26 invariants in 8 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (144201 resets) in 704 ms. (1418 steps per ms)
BEST_FIRST walk for 1000000 steps (91041 resets) in 494 ms. (2020 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-24 13:42:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:42:39] [INFO ] [Real]Absence check using 10 positive place invariants in 5 ms returned sat
[2026-05-24 13:42:39] [INFO ] [Real]Absence check using 10 positive and 16 generalized place invariants in 2 ms returned sat
[2026-05-24 13:42:39] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2026-05-24 13:42:39] [INFO ] State equation strengthened by 34 read => feed constraints.
[2026-05-24 13:42:39] [INFO ] [Real]Added 34 Read/Feed constraints in 37 ms returned sat
[2026-05-24 13:42:39] [INFO ] Computed and/alt/rep : 140/897/140 causal constraints (skipped 32 transitions) in 7 ms.
[2026-05-24 13:42:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:42:39] [INFO ] [Nat]Absence check using 10 positive place invariants in 5 ms returned sat
[2026-05-24 13:42:39] [INFO ] [Nat]Absence check using 10 positive and 16 generalized place invariants in 4 ms returned sat
[2026-05-24 13:42:40] [INFO ] [Nat]Absence check using state equation in 55 ms returned sat
[2026-05-24 13:42:40] [INFO ] [Nat]Added 34 Read/Feed constraints in 68 ms returned sat
[2026-05-24 13:42:40] [INFO ] Computed and/alt/rep : 140/897/140 causal constraints (skipped 32 transitions) in 8 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:42:41] [INFO ] Deduced a trap composed of 9 places in 69 ms of which 6 ms to minimize.
[2026-05-24 13:42:41] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 118 ms
[2026-05-24 13:42:41] [INFO ] Added : 93 causal constraints over 22 iterations in 1072 ms. Result :sat
Minimization took 220 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 168 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 168/168 places, 173/173 transitions.
Applied a total of 0 rules in 2 ms. Remains 168 /168 variables (removed 0) and now considering 173/173 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 168/168 places, 173/173 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 168/168 places, 173/173 transitions.
Applied a total of 0 rules in 2 ms. Remains 168 /168 variables (removed 0) and now considering 173/173 (removed 0) transitions.
[2026-05-24 13:42:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:42:42] [INFO ] Implicit Places using invariants in 198 ms returned []
[2026-05-24 13:42:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:42:42] [INFO ] State equation strengthened by 34 read => feed constraints.
[2026-05-24 13:42:44] [INFO ] Implicit Places using invariants and state equation in 1243 ms returned []
Implicit Place search using SMT with State Equation took 1442 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 13:42:44] [INFO ] Redundant transitions in 1 ms returned []
Running 172 sub problems to find dead transitions.
[2026-05-24 13:42:44] [INFO ] Invariant cache hit.
[2026-05-24 13:42:44] [INFO ] State equation strengthened by 34 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/166 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/166 variables, 16/18 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/166 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 3 (OVERLAPS) 2/168 variables, 8/26 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/168 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 5 (OVERLAPS) 173/341 variables, 168/194 constraints. Problems are: Problem set: 0 solved, 172 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/341 variables, 34/228 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/341 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 8 (OVERLAPS) 0/341 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 172 unsolved
No progress, stopping.
After SMT solving in domain Real declared 341/341 variables, and 228 constraints, problems are : Problem set: 0 solved, 172 unsolved in 8102 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 16/16 constraints, State Equation: 168/168 constraints, ReadFeed: 34/34 constraints, PredecessorRefiner: 172/172 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 172 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/166 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/166 variables, 16/18 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/166 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 3 (OVERLAPS) 2/168 variables, 8/26 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/168 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 5 (OVERLAPS) 173/341 variables, 168/194 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/341 variables, 34/228 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/341 variables, 172/400 constraints. Problems are: Problem set: 0 solved, 172 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:42:58] [INFO ] Deduced a trap composed of 4 places in 49 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:42:58] [INFO ] Deduced a trap composed of 25 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:42:58] [INFO ] Deduced a trap composed of 25 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:43:00] [INFO ] Deduced a trap composed of 6 places in 52 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:43:02] [INFO ] Deduced a trap composed of 9 places in 73 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:43:02] [INFO ] Deduced a trap composed of 12 places in 81 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:43:02] [INFO ] Deduced a trap composed of 13 places in 76 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:43:03] [INFO ] Deduced a trap composed of 16 places in 80 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:43:03] [INFO ] Deduced a trap composed of 21 places in 82 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:43:03] [INFO ] Deduced a trap composed of 23 places in 77 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:43:03] [INFO ] Deduced a trap composed of 34 places in 101 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:43:03] [INFO ] Deduced a trap composed of 34 places in 85 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:43:04] [INFO ] Deduced a trap composed of 43 places in 77 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:43:04] [INFO ] Deduced a trap composed of 15 places in 72 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:43:04] [INFO ] Deduced a trap composed of 44 places in 80 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:43:04] [INFO ] Deduced a trap composed of 41 places in 85 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:43:05] [INFO ] Deduced a trap composed of 42 places in 80 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:43:05] [INFO ] Deduced a trap composed of 40 places in 79 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:43:05] [INFO ] Deduced a trap composed of 39 places in 79 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:43:05] [INFO ] Deduced a trap composed of 37 places in 75 ms of which 17 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/341 variables, 20/420 constraints. Problems are: Problem set: 0 solved, 172 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:43:10] [INFO ] Deduced a trap composed of 56 places in 84 ms of which 13 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/341 variables, 1/421 constraints. Problems are: Problem set: 0 solved, 172 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:43:16] [INFO ] Deduced a trap along path composed of 8 places in 41 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/341 variables, 1/422 constraints. Problems are: Problem set: 0 solved, 172 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 341/341 variables, and 422 constraints, problems are : Problem set: 0 solved, 172 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 16/16 constraints, State Equation: 168/168 constraints, ReadFeed: 34/34 constraints, PredecessorRefiner: 172/172 constraints, Known Traps: 21/21 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 38147ms problems are : Problem set: 0 solved, 172 unsolved
Search for dead transitions found 0 dead transitions in 38148ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39600 ms. Remains : 168/168 places, 173/173 transitions.
[2026-05-24 13:43:22] [INFO ] Flatten gal took : 8 ms
[2026-05-24 13:43:22] [INFO ] Flatten gal took : 9 ms
[2026-05-24 13:43:22] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality230156343894816496.gal : 2 ms
[2026-05-24 13:43:22] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5866684587695537617.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality230156343894816496.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5866684587695537617.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...327
RANDOM walk for 40000 steps (5813 resets) in 98 ms. (404 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality5866684587695537617.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :2 after 6
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :6 after 10
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :10 after 14
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :14 after 30
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :30 after 40
BEST_FIRST walk for 40002 steps (3620 resets) in 64 ms. (615 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :40 after 126
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :126 after 254
BEST_FIRST walk for 40001 steps (3716 resets) in 57 ms. (689 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :254 after 605
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :605 after 1540
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :1540 after 23429
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :23429 after 43142
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :43142 after 113065
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :113065 after 259344
Interrupted probabilistic random walk after 546896 steps, run timeout after 3001 ms. (steps per millisecond=182 ) properties seen :0 out of 2
Probabilistic random walk after 546896 steps, saw 273503 distinct states, run finished after 3001 ms. (steps per millisecond=182 ) properties seen :0
[2026-05-24 13:43:25] [INFO ] Invariant cache hit.
[2026-05-24 13:43:25] [INFO ] State equation strengthened by 34 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 117/118 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:43:25] [INFO ] Deduced a trap composed of 3 places in 60 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/118 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/118 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 46/164 variables, 16/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:43:25] [INFO ] Deduced a trap composed of 4 places in 75 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :259344 after 554202
[2026-05-24 13:43:25] [INFO ] Deduced a trap composed of 6 places in 67 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:43:25] [INFO ] Deduced a trap composed of 7 places in 68 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:43:25] [INFO ] Deduced a trap composed of 10 places in 63 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:43:25] [INFO ] Deduced a trap composed of 12 places in 61 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/164 variables, 5/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/164 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 173/337 variables, 164/194 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/337 variables, 34/228 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/337 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 4/341 variables, 4/232 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/341 variables, 2/234 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/341 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/341 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 341/341 variables, and 234 constraints, problems are : Problem set: 0 solved, 2 unsolved in 679 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 16/16 constraints, State Equation: 168/168 constraints, ReadFeed: 34/34 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 117/118 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/118 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/118 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 46/164 variables, 16/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/164 variables, 5/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:43:26] [INFO ] Deduced a trap composed of 7 places in 70 ms of which 5 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/164 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/164 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 173/337 variables, 164/195 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/337 variables, 34/229 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/337 variables, 2/231 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/337 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 4/341 variables, 4/235 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/341 variables, 2/237 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/341 variables, 0/237 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 0/341 variables, 0/237 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 341/341 variables, and 237 constraints, problems are : Problem set: 0 solved, 2 unsolved in 384 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 16/16 constraints, State Equation: 168/168 constraints, ReadFeed: 34/34 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1068ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
SDD proceeding with computation,2 properties remain. new max is 131072
SDD size :554202 after 5.3316e+06
Parikh walk visited 0 properties in 3364 ms.
Support contains 1 out of 168 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 168/168 places, 173/173 transitions.
Applied a total of 0 rules in 3 ms. Remains 168 /168 variables (removed 0) and now considering 173/173 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 168/168 places, 173/173 transitions.
RANDOM walk for 40000 steps (5715 resets) in 87 ms. (454 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (3669 resets) in 77 ms. (512 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (3639 resets) in 68 ms. (579 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 517823 steps, run timeout after 3001 ms. (steps per millisecond=172 ) properties seen :0 out of 2
Probabilistic random walk after 517823 steps, saw 258959 distinct states, run finished after 3001 ms. (steps per millisecond=172 ) properties seen :0
[2026-05-24 13:43:32] [INFO ] Invariant cache hit.
[2026-05-24 13:43:32] [INFO ] State equation strengthened by 34 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 117/118 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:43:33] [INFO ] Deduced a trap composed of 3 places in 61 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/118 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/118 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 46/164 variables, 16/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:43:33] [INFO ] Deduced a trap composed of 4 places in 76 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:43:33] [INFO ] Deduced a trap composed of 6 places in 67 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:43:33] [INFO ] Deduced a trap composed of 7 places in 68 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:43:33] [INFO ] Deduced a trap composed of 10 places in 62 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:43:33] [INFO ] Deduced a trap composed of 12 places in 64 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/164 variables, 5/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/164 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 173/337 variables, 164/194 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/337 variables, 34/228 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/337 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 4/341 variables, 4/232 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/341 variables, 2/234 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/341 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/341 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 341/341 variables, and 234 constraints, problems are : Problem set: 0 solved, 2 unsolved in 696 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 16/16 constraints, State Equation: 168/168 constraints, ReadFeed: 34/34 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 117/118 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/118 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/118 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 46/164 variables, 16/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/164 variables, 5/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:43:33] [INFO ] Deduced a trap composed of 7 places in 72 ms of which 6 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/164 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/164 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 173/337 variables, 164/195 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/337 variables, 34/229 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/337 variables, 2/231 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/337 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 4/341 variables, 4/235 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/341 variables, 2/237 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/341 variables, 0/237 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 0/341 variables, 0/237 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 341/341 variables, and 237 constraints, problems are : Problem set: 0 solved, 2 unsolved in 380 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 16/16 constraints, State Equation: 168/168 constraints, ReadFeed: 34/34 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1080ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
SDD proceeding with computation,2 properties remain. new max is 262144
SDD size :5.3316e+06 after 2.69467e+07
Parikh walk visited 0 properties in 3482 ms.
Support contains 1 out of 168 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 168/168 places, 173/173 transitions.
Applied a total of 0 rules in 3 ms. Remains 168 /168 variables (removed 0) and now considering 173/173 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 168/168 places, 173/173 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 168/168 places, 173/173 transitions.
Applied a total of 0 rules in 3 ms. Remains 168 /168 variables (removed 0) and now considering 173/173 (removed 0) transitions.
[2026-05-24 13:43:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:43:37] [INFO ] Implicit Places using invariants in 178 ms returned []
[2026-05-24 13:43:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:43:37] [INFO ] State equation strengthened by 34 read => feed constraints.
[2026-05-24 13:43:38] [INFO ] Implicit Places using invariants and state equation in 1166 ms returned []
Implicit Place search using SMT with State Equation took 1346 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 13:43:38] [INFO ] Redundant transitions in 1 ms returned []
Running 172 sub problems to find dead transitions.
[2026-05-24 13:43:38] [INFO ] Invariant cache hit.
[2026-05-24 13:43:38] [INFO ] State equation strengthened by 34 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/166 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/166 variables, 16/18 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/166 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 3 (OVERLAPS) 2/168 variables, 8/26 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/168 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 5 (OVERLAPS) 173/341 variables, 168/194 constraints. Problems are: Problem set: 0 solved, 172 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/341 variables, 34/228 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/341 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 8 (OVERLAPS) 0/341 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 172 unsolved
No progress, stopping.
After SMT solving in domain Real declared 341/341 variables, and 228 constraints, problems are : Problem set: 0 solved, 172 unsolved in 8329 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 16/16 constraints, State Equation: 168/168 constraints, ReadFeed: 34/34 constraints, PredecessorRefiner: 172/172 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 172 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/166 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/166 variables, 16/18 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/166 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 3 (OVERLAPS) 2/168 variables, 8/26 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/168 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 5 (OVERLAPS) 173/341 variables, 168/194 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/341 variables, 34/228 constraints. Problems are: Problem set: 0 solved, 172 unsolved
SDD proceeding with computation,2 properties remain. new max is 524288
SDD size :2.69467e+07 after 7.56034e+07
At refinement iteration 7 (INCLUDED_ONLY) 0/341 variables, 172/400 constraints. Problems are: Problem set: 0 solved, 172 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:43:53] [INFO ] Deduced a trap composed of 4 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:43:53] [INFO ] Deduced a trap composed of 25 places in 40 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:43:53] [INFO ] Deduced a trap composed of 25 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:43:55] [INFO ] Deduced a trap composed of 6 places in 54 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:43:57] [INFO ] Deduced a trap composed of 9 places in 82 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:43:57] [INFO ] Deduced a trap composed of 12 places in 81 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:43:58] [INFO ] Deduced a trap composed of 13 places in 80 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:43:58] [INFO ] Deduced a trap composed of 16 places in 82 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:43:58] [INFO ] Deduced a trap composed of 21 places in 82 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:43:58] [INFO ] Deduced a trap composed of 23 places in 84 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:43:58] [INFO ] Deduced a trap composed of 34 places in 101 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:43:59] [INFO ] Deduced a trap composed of 34 places in 93 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:43:59] [INFO ] Deduced a trap composed of 43 places in 83 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:43:59] [INFO ] Deduced a trap composed of 15 places in 63 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:43:59] [INFO ] Deduced a trap composed of 44 places in 87 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:43:59] [INFO ] Deduced a trap composed of 41 places in 76 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:44:00] [INFO ] Deduced a trap composed of 42 places in 93 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:44:00] [INFO ] Deduced a trap composed of 40 places in 87 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:44:00] [INFO ] Deduced a trap composed of 39 places in 90 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:44:00] [INFO ] Deduced a trap composed of 37 places in 87 ms of which 18 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/341 variables, 20/420 constraints. Problems are: Problem set: 0 solved, 172 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:44:06] [INFO ] Deduced a trap composed of 56 places in 82 ms of which 13 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/341 variables, 1/421 constraints. Problems are: Problem set: 0 solved, 172 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:44:11] [INFO ] Deduced a trap along path composed of 8 places in 43 ms of which 1 ms to minimize.
Detected timeout of ITS tools.
[2026-05-24 13:44:12] [INFO ] Flatten gal took : 6 ms
[2026-05-24 13:44:12] [INFO ] Applying decomposition
[2026-05-24 13:44:12] [INFO ] Flatten gal took : 7 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph5306916694800535809.txt' '-o' '/tmp/graph5306916694800535809.bin' '-w' '/tmp/graph5306916694800535809.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph5306916694800535809.bin' '-l' '-1' '-v' '-w' '/tmp/graph5306916694800535809.weights' '-q' '0' '-e' '0.001'
[2026-05-24 13:44:12] [INFO ] Decomposing Gal with order
[2026-05-24 13:44:12] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 13:44:12] [INFO ] Removed a total of 110 redundant transitions.
[2026-05-24 13:44:12] [INFO ] Flatten gal took : 14 ms
[2026-05-24 13:44:12] [INFO ] Fuse similar labels procedure discarded/fused a total of 86 labels/synchronizations in 3 ms.
[2026-05-24 13:44:12] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6967593719748546238.gal : 3 ms
[2026-05-24 13:44:12] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9722537518009106609.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality6967593719748546238.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9722537518009106609.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality9722537518009106609.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :7 after 15
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :42 after 45
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :45 after 54
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :1142 after 1146
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :45005 after 45012
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :221160 after 221179
At refinement iteration 10 (INCLUDED_ONLY) 0/341 variables, 1/422 constraints. Problems are: Problem set: 0 solved, 172 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 341/341 variables, and 422 constraints, problems are : Problem set: 0 solved, 172 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 16/16 constraints, State Equation: 168/168 constraints, ReadFeed: 34/34 constraints, PredecessorRefiner: 172/172 constraints, Known Traps: 21/21 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 38377ms problems are : Problem set: 0 solved, 172 unsolved
Search for dead transitions found 0 dead transitions in 38378ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39733 ms. Remains : 168/168 places, 173/173 transitions.
Attempting over-approximation, by ignoring read arcs.
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 16 Pre rules applied. Total rules applied 0 place count 168 transition count 157
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 0 with 32 rules applied. Total rules applied 32 place count 152 transition count 157
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 40 place count 144 transition count 149
Iterating global reduction 0 with 8 rules applied. Total rules applied 48 place count 144 transition count 149
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 49 place count 144 transition count 148
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 50 place count 143 transition count 148
Applied a total of 50 rules in 9 ms. Remains 143 /168 variables (removed 25) and now considering 148/173 (removed 25) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 148 rows 143 cols
[2026-05-24 13:44:17] [INFO ] Computed 26 invariants in 7 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-24 13:44:17] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2026-05-24 13:44:17] [INFO ] [Real]Absence check using 4 positive and 22 generalized place invariants in 5 ms returned sat
[2026-05-24 13:44:17] [INFO ] After 66ms SMT Verify possible using state equation in real domain returned unsat :0 sat :2
[2026-05-24 13:44:17] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-24 13:44:17] [INFO ] After 12ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:2
[2026-05-24 13:44:17] [INFO ] After 133ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-24 13:44:17] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2026-05-24 13:44:17] [INFO ] [Nat]Absence check using 4 positive and 22 generalized place invariants in 5 ms returned sat
[2026-05-24 13:44:17] [INFO ] After 59ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2026-05-24 13:44:17] [INFO ] After 9ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2026-05-24 13:44:17] [INFO ] After 29ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2026-05-24 13:44:17] [INFO ] After 154ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2026-05-24 13:44:17] [INFO ] Flatten gal took : 9 ms
[2026-05-24 13:44:17] [INFO ] Flatten gal took : 5 ms
[2026-05-24 13:44:17] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4222654348623611360.gal : 1 ms
[2026-05-24 13:44:17] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9615047832593998392.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality4222654348623611360.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9615047832593998392.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality9615047832593998392.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :3 after 17
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :17 after 36
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :36 after 52
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :52 after 63
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :63 after 172
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :172 after 325
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :325 after 1534
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1534 after 3620
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :3620 after 13636
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :13636 after 31868
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :31868 after 70095
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :70095 after 160701
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :160701 after 346407
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :346407 after 739215
SDD proceeding with computation,2 properties remain. new max is 131072
SDD size :739215 after 1.55206e+06
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :589695 after 589738
SDD proceeding with computation,2 properties remain. new max is 262144
SDD size :1.55206e+06 after 3.21343e+06
Detected timeout of ITS tools.
[2026-05-24 13:44:32] [INFO ] Flatten gal took : 10 ms
[2026-05-24 13:44:32] [INFO ] Applying decomposition
[2026-05-24 13:44:32] [INFO ] Flatten gal took : 6 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph18421576631006887651.txt' '-o' '/tmp/graph18421576631006887651.bin' '-w' '/tmp/graph18421576631006887651.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph18421576631006887651.bin' '-l' '-1' '-v' '-w' '/tmp/graph18421576631006887651.weights' '-q' '0' '-e' '0.001'
[2026-05-24 13:44:32] [INFO ] Decomposing Gal with order
[2026-05-24 13:44:32] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 13:44:32] [INFO ] Removed a total of 91 redundant transitions.
[2026-05-24 13:44:32] [INFO ] Flatten gal took : 10 ms
[2026-05-24 13:44:32] [INFO ] Fuse similar labels procedure discarded/fused a total of 26 labels/synchronizations in 1 ms.
[2026-05-24 13:44:32] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11479894728960346136.gal : 2 ms
[2026-05-24 13:44:32] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4193191917443872753.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality11479894728960346136.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4193191917443872753.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality4193191917443872753.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 24858
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :746812 after 747261
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :747261 after 876956
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30481 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[1]
Ending property specific reduction for DoubleExponent-PT-010-UpperBounds-03 in 140295 ms.
Starting property specific reduction for DoubleExponent-PT-010-UpperBounds-06
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[1]
// Phase 1: matrix 227 rows 223 cols
[2026-05-24 13:44:47] [INFO ] Computed 31 invariants in 15 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 10000 steps (1424 resets) in 11 ms. (833 steps per ms)
BEST_FIRST walk for 10000 steps (901 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-24 13:44:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:44:47] [INFO ] [Real]Absence check using 8 positive place invariants in 6 ms returned sat
[2026-05-24 13:44:47] [INFO ] [Real]Absence check using 8 positive and 23 generalized place invariants in 5 ms returned sat
[2026-05-24 13:44:47] [INFO ] [Real]Absence check using state equation in 116 ms returned sat
[2026-05-24 13:44:47] [INFO ] State equation strengthened by 32 read => feed constraints.
[2026-05-24 13:44:47] [INFO ] [Real]Added 32 Read/Feed constraints in 77 ms returned sat
[2026-05-24 13:44:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:44:48] [INFO ] [Nat]Absence check using 8 positive place invariants in 5 ms returned sat
[2026-05-24 13:44:48] [INFO ] [Nat]Absence check using 8 positive and 23 generalized place invariants in 4 ms returned sat
[2026-05-24 13:44:48] [INFO ] [Nat]Absence check using state equation in 114 ms returned sat
[2026-05-24 13:44:48] [INFO ] [Nat]Added 32 Read/Feed constraints in 239 ms returned sat
[2026-05-24 13:44:48] [INFO ] Computed and/alt/rep : 193/1079/193 causal constraints (skipped 33 transitions) in 12 ms.
[2026-05-24 13:44:51] [INFO ] Added : 145 causal constraints over 29 iterations in 2891 ms. Result :sat
Minimization took 443 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 223 places. Attempting structural reductions.
Drop transitions (Removing consumers from one bounded place p512) removed 1 transitions
Starting structural reductions in REACHABILITY mode, iteration 0 : 223/223 places, 226/226 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 222 transition count 224
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 221 transition count 224
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 3 place count 221 transition count 222
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 7 place count 219 transition count 222
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 7
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 2 with 14 rules applied. Total rules applied 21 place count 212 transition count 215
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 27 place count 209 transition count 216
Free-agglomeration rule (complex) applied 3 times.
Iterating global reduction 2 with 3 rules applied. Total rules applied 30 place count 209 transition count 213
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 33 place count 206 transition count 213
Partial Free-agglomeration rule applied 4 times.
Drop transitions (Partial Free agglomeration) removed 4 transitions
Iterating global reduction 3 with 4 rules applied. Total rules applied 37 place count 206 transition count 213
Applied a total of 37 rules in 18 ms. Remains 206 /223 variables (removed 17) and now considering 213/226 (removed 13) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 206/223 places, 213/226 transitions.
// Phase 1: matrix 213 rows 206 cols
[2026-05-24 13:44:58] [INFO ] Computed 31 invariants in 19 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (144404 resets) in 792 ms. (1261 steps per ms)
BEST_FIRST walk for 1000000 steps (91245 resets) in 553 ms. (1805 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-24 13:45:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:45:00] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2026-05-24 13:45:00] [INFO ] [Real]Absence check using 13 positive and 18 generalized place invariants in 2 ms returned sat
[2026-05-24 13:45:00] [INFO ] [Real]Absence check using state equation in 121 ms returned sat
[2026-05-24 13:45:00] [INFO ] State equation strengthened by 41 read => feed constraints.
[2026-05-24 13:45:00] [INFO ] [Real]Added 41 Read/Feed constraints in 77 ms returned sat
[2026-05-24 13:45:00] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:45:00] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2026-05-24 13:45:00] [INFO ] [Nat]Absence check using 13 positive and 18 generalized place invariants in 3 ms returned sat
[2026-05-24 13:45:00] [INFO ] [Nat]Absence check using state equation in 118 ms returned sat
[2026-05-24 13:45:00] [INFO ] [Nat]Added 41 Read/Feed constraints in 133 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:45:00] [INFO ] Deduced a trap composed of 27 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:45:00] [INFO ] Deduced a trap composed of 28 places in 44 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:45:00] [INFO ] Deduced a trap composed of 31 places in 40 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:45:00] [INFO ] Deduced a trap composed of 28 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:45:01] [INFO ] Deduced a trap composed of 25 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:45:01] [INFO ] Deduced a trap composed of 25 places in 44 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:45:01] [INFO ] Deduced a trap composed of 22 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:45:01] [INFO ] Deduced a trap composed of 15 places in 52 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:45:01] [INFO ] Deduced a trap composed of 16 places in 51 ms of which 4 ms to minimize.
[2026-05-24 13:45:01] [INFO ] Trap strengthening (SAT) tested/added 10/9 trap constraints in 623 ms
[2026-05-24 13:45:01] [INFO ] Computed and/alt/rep : 164/1066/164 causal constraints (skipped 48 transitions) in 13 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:45:02] [INFO ] Deduced a trap composed of 9 places in 65 ms of which 5 ms to minimize.
[2026-05-24 13:45:02] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 142 ms
[2026-05-24 13:45:02] [INFO ] Added : 101 causal constraints over 21 iterations in 1621 ms. Result :sat
Minimization took 310 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 206 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 206/206 places, 213/213 transitions.
Applied a total of 0 rules in 3 ms. Remains 206 /206 variables (removed 0) and now considering 213/213 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 206/206 places, 213/213 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 206/206 places, 213/213 transitions.
Applied a total of 0 rules in 4 ms. Remains 206 /206 variables (removed 0) and now considering 213/213 (removed 0) transitions.
[2026-05-24 13:45:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:45:06] [INFO ] Implicit Places using invariants in 291 ms returned []
[2026-05-24 13:45:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:45:06] [INFO ] State equation strengthened by 41 read => feed constraints.
[2026-05-24 13:45:09] [INFO ] Implicit Places using invariants and state equation in 2293 ms returned []
Implicit Place search using SMT with State Equation took 2587 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 13:45:09] [INFO ] Redundant transitions in 1 ms returned []
Running 212 sub problems to find dead transitions.
[2026-05-24 13:45:09] [INFO ] Invariant cache hit.
[2026-05-24 13:45:09] [INFO ] State equation strengthened by 41 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/204 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/204 variables, 17/19 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/204 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 3 (OVERLAPS) 2/206 variables, 11/30 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/206 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 212 unsolved
Problem TDEAD94 is UNSAT
At refinement iteration 6 (OVERLAPS) 213/419 variables, 206/237 constraints. Problems are: Problem set: 1 solved, 211 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/419 variables, 41/278 constraints. Problems are: Problem set: 1 solved, 211 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/419 variables, 0/278 constraints. Problems are: Problem set: 1 solved, 211 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/419 variables, 0/278 constraints. Problems are: Problem set: 1 solved, 211 unsolved
No progress, stopping.
After SMT solving in domain Real declared 419/419 variables, and 278 constraints, problems are : Problem set: 1 solved, 211 unsolved in 16805 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 206/206 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 212/212 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 211 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/204 variables, 2/2 constraints. Problems are: Problem set: 1 solved, 211 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/204 variables, 17/19 constraints. Problems are: Problem set: 1 solved, 211 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/204 variables, 0/19 constraints. Problems are: Problem set: 1 solved, 211 unsolved
At refinement iteration 3 (OVERLAPS) 2/206 variables, 11/30 constraints. Problems are: Problem set: 1 solved, 211 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 1/31 constraints. Problems are: Problem set: 1 solved, 211 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/206 variables, 0/31 constraints. Problems are: Problem set: 1 solved, 211 unsolved
At refinement iteration 6 (OVERLAPS) 213/419 variables, 206/237 constraints. Problems are: Problem set: 1 solved, 211 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/419 variables, 41/278 constraints. Problems are: Problem set: 1 solved, 211 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/419 variables, 211/489 constraints. Problems are: Problem set: 1 solved, 211 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:45:37] [INFO ] Deduced a trap composed of 4 places in 83 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:45:37] [INFO ] Deduced a trap composed of 6 places in 87 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:45:37] [INFO ] Deduced a trap composed of 8 places in 84 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:45:38] [INFO ] Deduced a trap composed of 15 places in 83 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:45:38] [INFO ] Deduced a trap composed of 16 places in 83 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:45:38] [INFO ] Deduced a trap composed of 18 places in 94 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:45:38] [INFO ] Deduced a trap composed of 21 places in 93 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:45:38] [INFO ] Deduced a trap composed of 22 places in 93 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:45:38] [INFO ] Deduced a trap composed of 60 places in 102 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:45:38] [INFO ] Deduced a trap composed of 61 places in 101 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:45:39] [INFO ] Deduced a trap composed of 19 places in 78 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:45:39] [INFO ] Deduced a trap composed of 60 places in 108 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:45:39] [INFO ] Deduced a trap composed of 59 places in 104 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:45:39] [INFO ] Deduced a trap composed of 59 places in 101 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:45:39] [INFO ] Deduced a trap composed of 61 places in 95 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:45:39] [INFO ] Deduced a trap composed of 60 places in 94 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:45:39] [INFO ] Deduced a trap composed of 60 places in 93 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:45:40] [INFO ] Deduced a trap composed of 10 places in 68 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:45:40] [INFO ] Deduced a trap composed of 60 places in 93 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:45:40] [INFO ] Deduced a trap composed of 62 places in 92 ms of which 20 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/419 variables, 20/509 constraints. Problems are: Problem set: 1 solved, 211 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:45:55] [INFO ] Deduced a trap along path composed of 5 places in 45 ms of which 1 ms to minimize.
SMT process timed out in 46906ms, After SMT, problems are : Problem set: 1 solved, 211 unsolved
Search for dead transitions found 1 dead transitions in 46908ms
Found 1 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 1 transitions
Dead transitions reduction (with SMT) removed 1 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 206/206 places, 212/213 transitions.
Applied a total of 0 rules in 4 ms. Remains 206 /206 variables (removed 0) and now considering 212/212 (removed 0) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 13:45:55] [INFO ] Redundant transitions in 1 ms returned []
Finished structural reductions in REACHABILITY mode , in 2 iterations and 49521 ms. Remains : 206/206 places, 212/213 transitions.
// Phase 1: matrix 212 rows 206 cols
[2026-05-24 13:45:55] [INFO ] Computed 32 invariants in 13 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (144485 resets) in 781 ms. (1278 steps per ms)
BEST_FIRST walk for 1000000 steps (91542 resets) in 546 ms. (1828 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-24 13:45:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:45:57] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2026-05-24 13:45:57] [INFO ] [Real]Absence check using 13 positive and 19 generalized place invariants in 3 ms returned sat
[2026-05-24 13:45:57] [INFO ] [Real]Absence check using state equation in 82 ms returned sat
[2026-05-24 13:45:57] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-24 13:45:57] [INFO ] [Real]Added 40 Read/Feed constraints in 102 ms returned sat
[2026-05-24 13:45:57] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:45:57] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2026-05-24 13:45:57] [INFO ] [Nat]Absence check using 13 positive and 19 generalized place invariants in 3 ms returned sat
[2026-05-24 13:45:57] [INFO ] [Nat]Absence check using state equation in 77 ms returned sat
[2026-05-24 13:45:57] [INFO ] [Nat]Added 40 Read/Feed constraints in 162 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:45:57] [INFO ] Deduced a trap composed of 27 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:45:57] [INFO ] Deduced a trap composed of 24 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:45:58] [INFO ] Deduced a trap composed of 25 places in 40 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:45:58] [INFO ] Deduced a trap composed of 22 places in 43 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:45:58] [INFO ] Deduced a trap composed of 18 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:45:58] [INFO ] Deduced a trap composed of 15 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:45:58] [INFO ] Deduced a trap composed of 16 places in 49 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:45:58] [INFO ] Deduced a trap composed of 16 places in 52 ms of which 5 ms to minimize.
[2026-05-24 13:45:58] [INFO ] Trap strengthening (SAT) tested/added 9/8 trap constraints in 481 ms
[2026-05-24 13:45:58] [INFO ] Computed and/alt/rep : 163/1058/163 causal constraints (skipped 48 transitions) in 11 ms.
[2026-05-24 13:46:00] [INFO ] Added : 120 causal constraints over 24 iterations in 2537 ms. Result :sat
Minimization took 456 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 206 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 206/206 places, 212/212 transitions.
Applied a total of 0 rules in 3 ms. Remains 206 /206 variables (removed 0) and now considering 212/212 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 206/206 places, 212/212 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 206/206 places, 212/212 transitions.
Applied a total of 0 rules in 3 ms. Remains 206 /206 variables (removed 0) and now considering 212/212 (removed 0) transitions.
[2026-05-24 13:46:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:46:04] [INFO ] Implicit Places using invariants in 308 ms returned [169]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 309 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 205/206 places, 212/212 transitions.
Applied a total of 0 rules in 7 ms. Remains 205 /205 variables (removed 0) and now considering 212/212 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 320 ms. Remains : 205/206 places, 212/212 transitions.
// Phase 1: matrix 212 rows 205 cols
[2026-05-24 13:46:04] [INFO ] Computed 31 invariants in 15 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (144065 resets) in 793 ms. (1259 steps per ms)
BEST_FIRST walk for 1000001 steps (91663 resets) in 547 ms. (1824 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-24 13:46:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:46:05] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2026-05-24 13:46:05] [INFO ] [Real]Absence check using 13 positive and 18 generalized place invariants in 4 ms returned sat
[2026-05-24 13:46:05] [INFO ] [Real]Absence check using state equation in 115 ms returned sat
[2026-05-24 13:46:05] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-24 13:46:05] [INFO ] [Real]Added 40 Read/Feed constraints in 105 ms returned sat
[2026-05-24 13:46:06] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:46:06] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2026-05-24 13:46:06] [INFO ] [Nat]Absence check using 13 positive and 18 generalized place invariants in 3 ms returned sat
[2026-05-24 13:46:06] [INFO ] [Nat]Absence check using state equation in 115 ms returned sat
[2026-05-24 13:46:06] [INFO ] [Nat]Added 40 Read/Feed constraints in 150 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:46:06] [INFO ] Deduced a trap composed of 27 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:46:06] [INFO ] Deduced a trap composed of 28 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:46:06] [INFO ] Deduced a trap composed of 28 places in 55 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:46:06] [INFO ] Deduced a trap composed of 25 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:46:06] [INFO ] Deduced a trap composed of 25 places in 49 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:46:06] [INFO ] Deduced a trap composed of 22 places in 43 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:46:06] [INFO ] Deduced a trap composed of 22 places in 49 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:46:06] [INFO ] Deduced a trap composed of 19 places in 48 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:46:06] [INFO ] Deduced a trap composed of 16 places in 48 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:46:07] [INFO ] Deduced a trap composed of 19 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:46:07] [INFO ] Deduced a trap composed of 16 places in 62 ms of which 6 ms to minimize.
[2026-05-24 13:46:07] [INFO ] Trap strengthening (SAT) tested/added 12/11 trap constraints in 864 ms
[2026-05-24 13:46:07] [INFO ] Computed and/alt/rep : 163/1058/163 causal constraints (skipped 48 transitions) in 11 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:46:09] [INFO ] Deduced a trap composed of 8 places in 67 ms of which 5 ms to minimize.
[2026-05-24 13:46:09] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 135 ms
[2026-05-24 13:46:09] [INFO ] Added : 95 causal constraints over 19 iterations in 2219 ms. Result :sat
Minimization took 293 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 212/212 transitions.
Applied a total of 0 rules in 3 ms. Remains 205 /205 variables (removed 0) and now considering 212/212 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 205/205 places, 212/212 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 212/212 transitions.
Applied a total of 0 rules in 15 ms. Remains 205 /205 variables (removed 0) and now considering 212/212 (removed 0) transitions.
[2026-05-24 13:46:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:46:13] [INFO ] Implicit Places using invariants in 292 ms returned []
[2026-05-24 13:46:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:46:13] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-24 13:46:15] [INFO ] Implicit Places using invariants and state equation in 1812 ms returned []
Implicit Place search using SMT with State Equation took 2106 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 13:46:15] [INFO ] Redundant transitions in 2 ms returned []
Running 211 sub problems to find dead transitions.
[2026-05-24 13:46:15] [INFO ] Invariant cache hit.
[2026-05-24 13:46:15] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/203 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/203 variables, 17/19 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/203 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 3 (OVERLAPS) 2/205 variables, 11/30 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/205 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/205 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 6 (OVERLAPS) 212/417 variables, 205/236 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/417 variables, 40/276 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/417 variables, 0/276 constraints. Problems are: Problem set: 0 solved, 211 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/417 variables, 0/276 constraints. Problems are: Problem set: 0 solved, 211 unsolved
No progress, stopping.
After SMT solving in domain Real declared 417/417 variables, and 276 constraints, problems are : Problem set: 0 solved, 211 unsolved in 17204 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 205/205 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 211/211 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 211 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/203 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/203 variables, 17/19 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/203 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 3 (OVERLAPS) 2/205 variables, 11/30 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/205 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/205 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 6 (OVERLAPS) 212/417 variables, 205/236 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/417 variables, 40/276 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/417 variables, 211/487 constraints. Problems are: Problem set: 0 solved, 211 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:46:44] [INFO ] Deduced a trap composed of 4 places in 80 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:46:45] [INFO ] Deduced a trap composed of 8 places in 88 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:46:45] [INFO ] Deduced a trap composed of 19 places in 89 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:46:45] [INFO ] Deduced a trap composed of 48 places in 102 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:46:45] [INFO ] Deduced a trap composed of 50 places in 95 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:46:45] [INFO ] Deduced a trap composed of 53 places in 108 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:46:45] [INFO ] Deduced a trap composed of 53 places in 119 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:46:46] [INFO ] Deduced a trap composed of 54 places in 99 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:46:46] [INFO ] Deduced a trap composed of 57 places in 100 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:46:46] [INFO ] Deduced a trap composed of 57 places in 99 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:46:46] [INFO ] Deduced a trap composed of 57 places in 95 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:46:46] [INFO ] Deduced a trap composed of 57 places in 98 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:46:46] [INFO ] Deduced a trap composed of 58 places in 93 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:46:46] [INFO ] Deduced a trap composed of 58 places in 94 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:46:46] [INFO ] Deduced a trap composed of 58 places in 98 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:46:47] [INFO ] Deduced a trap composed of 60 places in 97 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:46:47] [INFO ] Deduced a trap composed of 37 places in 89 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:46:49] [INFO ] Deduced a trap composed of 46 places in 87 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:46:51] [INFO ] Deduced a trap composed of 3 places in 38 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/417 variables, 19/506 constraints. Problems are: Problem set: 0 solved, 211 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 417/417 variables, and 506 constraints, problems are : Problem set: 0 solved, 211 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 205/205 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 211/211 constraints, Known Traps: 19/19 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 47277ms problems are : Problem set: 0 solved, 211 unsolved
Search for dead transitions found 0 dead transitions in 47278ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 49411 ms. Remains : 205/205 places, 212/212 transitions.
[2026-05-24 13:47:02] [INFO ] Flatten gal took : 11 ms
[2026-05-24 13:47:02] [INFO ] Flatten gal took : 9 ms
[2026-05-24 13:47:02] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5636539163425606503.gal : 2 ms
[2026-05-24 13:47:02] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12889304657794356413.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality5636539163425606503.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12889304657794356413.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
RANDOM walk for 40000 steps (5773 resets) in 96 ms. (412 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (3641 resets) in 43 ms. (909 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality12889304657794356413.prop.
BEST_FIRST walk for 40004 steps (3642 resets) in 66 ms. (597 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :2 after 6
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :6 after 11
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :11 after 14
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :14 after 32
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :32 after 40
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :40 after 124
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :124 after 236
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :236 after 494
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :494 after 1101
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :1101 after 23429
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :23429 after 42516
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :42516 after 111882
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :111882 after 257814
Interrupted probabilistic random walk after 516074 steps, run timeout after 3001 ms. (steps per millisecond=171 ) properties seen :0 out of 2
Probabilistic random walk after 516074 steps, saw 258084 distinct states, run finished after 3001 ms. (steps per millisecond=171 ) properties seen :0
[2026-05-24 13:47:05] [INFO ] Invariant cache hit.
[2026-05-24 13:47:05] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 146/147 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:47:05] [INFO ] Deduced a trap composed of 3 places in 62 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/147 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/147 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 54/201 variables, 18/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:47:05] [INFO ] Deduced a trap composed of 4 places in 79 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:47:05] [INFO ] Deduced a trap composed of 6 places in 76 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:47:05] [INFO ] Deduced a trap composed of 7 places in 73 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:47:05] [INFO ] Deduced a trap composed of 7 places in 68 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:47:05] [INFO ] Deduced a trap composed of 10 places in 61 ms of which 6 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 5/35 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/201 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 65536
At refinement iteration 7 (OVERLAPS) 212/413 variables, 201/236 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD size :257814 after 541587
At refinement iteration 8 (INCLUDED_ONLY) 0/413 variables, 40/276 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/413 variables, 0/276 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 4/417 variables, 4/280 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/417 variables, 2/282 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/417 variables, 0/282 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/417 variables, 0/282 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 417/417 variables, and 282 constraints, problems are : Problem set: 0 solved, 2 unsolved in 842 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 205/205 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 146/147 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/147 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/147 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 54/201 variables, 18/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 5/35 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/201 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 212/413 variables, 201/236 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/413 variables, 40/276 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/413 variables, 2/278 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:47:06] [INFO ] Deduced a trap composed of 31 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:47:06] [INFO ] Deduced a trap composed of 28 places in 37 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:47:06] [INFO ] Deduced a trap composed of 24 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:47:06] [INFO ] Deduced a trap composed of 25 places in 39 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:47:06] [INFO ] Deduced a trap composed of 22 places in 44 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:47:06] [INFO ] Deduced a trap composed of 19 places in 47 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:47:06] [INFO ] Deduced a trap composed of 16 places in 50 ms of which 6 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/413 variables, 7/285 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:47:06] [INFO ] Deduced a trap along path composed of 4 places in 47 ms of which 0 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/413 variables, 1/286 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/413 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 4/417 variables, 4/290 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/417 variables, 2/292 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/417 variables, 0/292 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 0/417 variables, 0/292 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 417/417 variables, and 292 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1022 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 205/205 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 1870ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
SDD proceeding with computation,2 properties remain. new max is 131072
SDD size :541587 after 3.71758e+07
Parikh walk visited 0 properties in 10755 ms.
Support contains 1 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 212/212 transitions.
Applied a total of 0 rules in 4 ms. Remains 205 /205 variables (removed 0) and now considering 212/212 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 205/205 places, 212/212 transitions.
RANDOM walk for 40000 steps (5780 resets) in 83 ms. (476 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (3665 resets) in 55 ms. (714 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (3645 resets) in 55 ms. (714 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 561448 steps, run timeout after 3001 ms. (steps per millisecond=187 ) properties seen :0 out of 2
Probabilistic random walk after 561448 steps, saw 280785 distinct states, run finished after 3001 ms. (steps per millisecond=187 ) properties seen :0
[2026-05-24 13:47:21] [INFO ] Invariant cache hit.
[2026-05-24 13:47:21] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 146/147 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:47:21] [INFO ] Deduced a trap composed of 3 places in 62 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/147 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/147 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 54/201 variables, 18/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:47:21] [INFO ] Deduced a trap composed of 4 places in 78 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:47:21] [INFO ] Deduced a trap composed of 6 places in 69 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:47:21] [INFO ] Deduced a trap composed of 7 places in 72 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:47:21] [INFO ] Deduced a trap composed of 7 places in 69 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:47:21] [INFO ] Deduced a trap composed of 10 places in 62 ms of which 6 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 5/35 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/201 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 212/413 variables, 201/236 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/413 variables, 40/276 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/413 variables, 0/276 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 4/417 variables, 4/280 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/417 variables, 2/282 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/417 variables, 0/282 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/417 variables, 0/282 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 417/417 variables, and 282 constraints, problems are : Problem set: 0 solved, 2 unsolved in 837 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 205/205 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 146/147 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/147 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/147 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 54/201 variables, 18/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 5/35 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/201 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 212/413 variables, 201/236 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/413 variables, 40/276 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/413 variables, 2/278 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:47:22] [INFO ] Deduced a trap composed of 31 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:47:22] [INFO ] Deduced a trap composed of 28 places in 37 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:47:22] [INFO ] Deduced a trap composed of 24 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:47:22] [INFO ] Deduced a trap composed of 25 places in 36 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:47:22] [INFO ] Deduced a trap composed of 22 places in 44 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:47:22] [INFO ] Deduced a trap composed of 19 places in 49 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:47:22] [INFO ] Deduced a trap composed of 16 places in 47 ms of which 5 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/413 variables, 7/285 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:47:22] [INFO ] Deduced a trap along path composed of 4 places in 49 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/413 variables, 1/286 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/413 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 4/417 variables, 4/290 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/417 variables, 2/292 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/417 variables, 0/292 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 0/417 variables, 0/292 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 417/417 variables, and 292 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1014 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 205/205 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 1858ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
SDD proceeding with computation,2 properties remain. new max is 262144
SDD size :3.71758e+07 after 2.5749e+08
Parikh walk visited 0 properties in 10711 ms.
Support contains 1 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 212/212 transitions.
Applied a total of 0 rules in 3 ms. Remains 205 /205 variables (removed 0) and now considering 212/212 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 205/205 places, 212/212 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 212/212 transitions.
Applied a total of 0 rules in 3 ms. Remains 205 /205 variables (removed 0) and now considering 212/212 (removed 0) transitions.
[2026-05-24 13:47:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:47:33] [INFO ] Implicit Places using invariants in 258 ms returned []
[2026-05-24 13:47:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:47:34] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-24 13:47:35] [INFO ] Implicit Places using invariants and state equation in 1723 ms returned []
Implicit Place search using SMT with State Equation took 1983 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 13:47:35] [INFO ] Redundant transitions in 1 ms returned []
Running 211 sub problems to find dead transitions.
[2026-05-24 13:47:35] [INFO ] Invariant cache hit.
[2026-05-24 13:47:35] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/203 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/203 variables, 17/19 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/203 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 3 (OVERLAPS) 2/205 variables, 11/30 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/205 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/205 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 6 (OVERLAPS) 212/417 variables, 205/236 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/417 variables, 40/276 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/417 variables, 0/276 constraints. Problems are: Problem set: 0 solved, 211 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/417 variables, 0/276 constraints. Problems are: Problem set: 0 solved, 211 unsolved
No progress, stopping.
Detected timeout of ITS tools.
[2026-05-24 13:47:52] [INFO ] Flatten gal took : 10 ms
[2026-05-24 13:47:52] [INFO ] Applying decomposition
[2026-05-24 13:47:52] [INFO ] Flatten gal took : 8 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph8343068654608320740.txt' '-o' '/tmp/graph8343068654608320740.bin' '-w' '/tmp/graph8343068654608320740.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph8343068654608320740.bin' '-l' '-1' '-v' '-w' '/tmp/graph8343068654608320740.weights' '-q' '0' '-e' '0.001'
[2026-05-24 13:47:52] [INFO ] Decomposing Gal with order
[2026-05-24 13:47:52] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 13:47:52] [INFO ] Removed a total of 106 redundant transitions.
[2026-05-24 13:47:52] [INFO ] Flatten gal took : 16 ms
[2026-05-24 13:47:52] [INFO ] Fuse similar labels procedure discarded/fused a total of 118 labels/synchronizations in 4 ms.
[2026-05-24 13:47:52] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16839960923587945283.gal : 3 ms
[2026-05-24 13:47:52] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5173346796994259027.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality16839960923587945283.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5173346796994259027.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality5173346796994259027.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 14
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :14 after 40
After SMT solving in domain Real declared 417/417 variables, and 276 constraints, problems are : Problem set: 0 solved, 211 unsolved in 16862 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 205/205 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 211/211 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 211 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :40 after 1030
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :1030 after 1167
At refinement iteration 0 (INCLUDED_ONLY) 0/203 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/203 variables, 17/19 constraints. Problems are: Problem set: 0 solved, 211 unsolved
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :1167 after 45034
At refinement iteration 2 (INCLUDED_ONLY) 0/203 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 3 (OVERLAPS) 2/205 variables, 11/30 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/205 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 211 unsolved
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :45034 after 176886
At refinement iteration 5 (INCLUDED_ONLY) 0/205 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 6 (OVERLAPS) 212/417 variables, 205/236 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/417 variables, 40/276 constraints. Problems are: Problem set: 0 solved, 211 unsolved
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :176886 after 401398
At refinement iteration 8 (INCLUDED_ONLY) 0/417 variables, 211/487 constraints. Problems are: Problem set: 0 solved, 211 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:48:04] [INFO ] Deduced a trap composed of 4 places in 88 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:48:04] [INFO ] Deduced a trap composed of 8 places in 80 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:48:04] [INFO ] Deduced a trap composed of 19 places in 85 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:48:05] [INFO ] Deduced a trap composed of 48 places in 104 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:48:05] [INFO ] Deduced a trap composed of 50 places in 98 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:48:05] [INFO ] Deduced a trap composed of 53 places in 113 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:48:05] [INFO ] Deduced a trap composed of 53 places in 105 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:48:05] [INFO ] Deduced a trap composed of 54 places in 98 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:48:05] [INFO ] Deduced a trap composed of 57 places in 109 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:48:05] [INFO ] Deduced a trap composed of 57 places in 98 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:48:06] [INFO ] Deduced a trap composed of 57 places in 98 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:48:06] [INFO ] Deduced a trap composed of 57 places in 93 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:48:06] [INFO ] Deduced a trap composed of 58 places in 91 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:48:06] [INFO ] Deduced a trap composed of 58 places in 88 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:48:06] [INFO ] Deduced a trap composed of 58 places in 93 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:48:06] [INFO ] Deduced a trap composed of 60 places in 92 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:48:07] [INFO ] Deduced a trap composed of 37 places in 88 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:48:08] [INFO ] Deduced a trap composed of 46 places in 87 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:48:11] [INFO ] Deduced a trap composed of 3 places in 39 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/417 variables, 19/506 constraints. Problems are: Problem set: 0 solved, 211 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 417/417 variables, and 506 constraints, problems are : Problem set: 0 solved, 211 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 205/205 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 211/211 constraints, Known Traps: 19/19 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 46921ms problems are : Problem set: 0 solved, 211 unsolved
Search for dead transitions found 0 dead transitions in 46923ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 48918 ms. Remains : 205/205 places, 212/212 transitions.
Attempting over-approximation, by ignoring read arcs.
Performed 18 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 18 Pre rules applied. Total rules applied 0 place count 205 transition count 194
Deduced a syphon composed of 18 places in 0 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 0 with 36 rules applied. Total rules applied 36 place count 187 transition count 194
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 45 place count 178 transition count 185
Iterating global reduction 0 with 9 rules applied. Total rules applied 54 place count 178 transition count 185
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 56 place count 177 transition count 184
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 57 place count 177 transition count 183
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 58 place count 176 transition count 183
Applied a total of 58 rules in 10 ms. Remains 176 /205 variables (removed 29) and now considering 183/212 (removed 29) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 183 rows 176 cols
[2026-05-24 13:48:22] [INFO ] Computed 31 invariants in 12 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-24 13:48:22] [INFO ] [Real]Absence check using 7 positive place invariants in 3 ms returned sat
[2026-05-24 13:48:22] [INFO ] [Real]Absence check using 7 positive and 24 generalized place invariants in 4 ms returned sat
[2026-05-24 13:48:22] [INFO ] After 99ms SMT Verify possible using state equation in real domain returned unsat :0 sat :2
[2026-05-24 13:48:22] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-24 13:48:22] [INFO ] After 14ms SMT Verify possible using 3 Read/Feed constraints in real domain returned unsat :0 sat :2
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:48:22] [INFO ] Deduced a trap composed of 28 places in 40 ms of which 2 ms to minimize.
TRAPS : Iteration 1
[2026-05-24 13:48:22] [INFO ] After 85ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:2
[2026-05-24 13:48:22] [INFO ] After 231ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-24 13:48:22] [INFO ] [Nat]Absence check using 7 positive place invariants in 2 ms returned sat
[2026-05-24 13:48:22] [INFO ] [Nat]Absence check using 7 positive and 24 generalized place invariants in 6 ms returned sat
[2026-05-24 13:48:22] [INFO ] After 99ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2026-05-24 13:48:23] [INFO ] After 14ms SMT Verify possible using 3 Read/Feed constraints in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:48:23] [INFO ] Deduced a trap composed of 28 places in 37 ms of which 2 ms to minimize.
[2026-05-24 13:48:23] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 54 ms
TRAPS : Iteration 1
[2026-05-24 13:48:23] [INFO ] After 115ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2026-05-24 13:48:23] [INFO ] After 285ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2026-05-24 13:48:23] [INFO ] Flatten gal took : 8 ms
[2026-05-24 13:48:23] [INFO ] Flatten gal took : 7 ms
[2026-05-24 13:48:23] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13963993732146809477.gal : 1 ms
[2026-05-24 13:48:23] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality168247979628328283.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13963993732146809477.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality168247979628328283.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality168247979628328283.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :3 after 13
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :13 after 36
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :36 after 52
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :52 after 63
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :63 after 172
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :172 after 370
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :370 after 1345
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1345 after 3495
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :3495 after 10385
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :10385 after 22965
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :22965 after 50151
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :50151 after 106251
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :106251 after 223218
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :223218 after 459650
SDD proceeding with computation,2 properties remain. new max is 131072
SDD size :459650 after 938117
SDD proceeding with computation,2 properties remain. new max is 262144
SDD size :938117 after 1.90519e+06
Detected timeout of ITS tools.
[2026-05-24 13:48:38] [INFO ] Flatten gal took : 7 ms
[2026-05-24 13:48:38] [INFO ] Applying decomposition
[2026-05-24 13:48:38] [INFO ] Flatten gal took : 7 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph8879719978742684718.txt' '-o' '/tmp/graph8879719978742684718.bin' '-w' '/tmp/graph8879719978742684718.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph8879719978742684718.bin' '-l' '-1' '-v' '-w' '/tmp/graph8879719978742684718.weights' '-q' '0' '-e' '0.001'
[2026-05-24 13:48:38] [INFO ] Decomposing Gal with order
[2026-05-24 13:48:38] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 13:48:38] [INFO ] Removed a total of 105 redundant transitions.
[2026-05-24 13:48:38] [INFO ] Flatten gal took : 15 ms
[2026-05-24 13:48:38] [INFO ] Fuse similar labels procedure discarded/fused a total of 46 labels/synchronizations in 3 ms.
[2026-05-24 13:48:38] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13492614174772280833.gal : 3 ms
[2026-05-24 13:48:38] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10751271639267811007.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13492614174772280833.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10751271639267811007.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityCardinality10751271639267811007.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :7008 after 7039
Detected timeout of ITS tools.
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30704 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[1]
Ending property specific reduction for DoubleExponent-PT-010-UpperBounds-06 in 245583 ms.
Starting property specific reduction for DoubleExponent-PT-010-UpperBounds-07
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[1]
// Phase 1: matrix 227 rows 223 cols
[2026-05-24 13:48:53] [INFO ] Computed 31 invariants in 11 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 10000 steps (1434 resets) in 12 ms. (769 steps per ms)
BEST_FIRST walk for 10000 steps (925 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-24 13:48:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:48:53] [INFO ] [Real]Absence check using 8 positive place invariants in 6 ms returned sat
[2026-05-24 13:48:53] [INFO ] [Real]Absence check using 8 positive and 23 generalized place invariants in 5 ms returned sat
[2026-05-24 13:48:53] [INFO ] [Real]Absence check using state equation in 86 ms returned sat
[2026-05-24 13:48:53] [INFO ] State equation strengthened by 32 read => feed constraints.
[2026-05-24 13:48:53] [INFO ] [Real]Added 32 Read/Feed constraints in 203 ms returned sat
[2026-05-24 13:48:53] [INFO ] Computed and/alt/rep : 193/1079/193 causal constraints (skipped 33 transitions) in 11 ms.
[2026-05-24 13:48:53] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:48:53] [INFO ] [Nat]Absence check using 8 positive place invariants in 5 ms returned sat
[2026-05-24 13:48:53] [INFO ] [Nat]Absence check using 8 positive and 23 generalized place invariants in 4 ms returned sat
[2026-05-24 13:48:53] [INFO ] [Nat]Absence check using state equation in 75 ms returned sat
[2026-05-24 13:48:54] [INFO ] [Nat]Added 32 Read/Feed constraints in 229 ms returned sat
[2026-05-24 13:48:54] [INFO ] Computed and/alt/rep : 193/1079/193 causal constraints (skipped 33 transitions) in 10 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:48:56] [INFO ] Deduced a trap composed of 10 places in 92 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:48:57] [INFO ] Deduced a trap composed of 10 places in 96 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:48:57] [INFO ] Deduced a trap composed of 14 places in 89 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:48:57] [INFO ] Deduced a trap composed of 14 places in 84 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:48:57] [INFO ] Deduced a trap composed of 30 places in 87 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:48:57] [INFO ] Deduced a trap composed of 28 places in 91 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:48:57] [INFO ] Deduced a trap composed of 33 places in 88 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:48:57] [INFO ] Deduced a trap composed of 55 places in 105 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:48:57] [INFO ] Deduced a trap composed of 55 places in 104 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:48:58] [INFO ] Deduced a trap composed of 57 places in 106 ms of which 38 ms to minimize.
[2026-05-24 13:48:58] [INFO ] Trap strengthening (SAT) tested/added 11/10 trap constraints in 1337 ms
[2026-05-24 13:48:58] [INFO ] Added : 185 causal constraints over 37 iterations in 4025 ms. Result :sat
Minimization took 501 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 223 places. Attempting structural reductions.
Drop transitions (Removing consumers from one bounded place p409) removed 1 transitions
Starting structural reductions in REACHABILITY mode, iteration 0 : 223/223 places, 226/226 transitions.
Reduce places removed 1 places and 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 222 transition count 222
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 5 place count 220 transition count 222
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 5 place count 220 transition count 220
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 9 place count 218 transition count 220
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 12 rules applied. Total rules applied 21 place count 212 transition count 214
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 27 place count 209 transition count 215
Free-agglomeration rule (complex) applied 3 times.
Iterating global reduction 2 with 3 rules applied. Total rules applied 30 place count 209 transition count 212
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 33 place count 206 transition count 212
Partial Free-agglomeration rule applied 4 times.
Drop transitions (Partial Free agglomeration) removed 4 transitions
Iterating global reduction 3 with 4 rules applied. Total rules applied 37 place count 206 transition count 212
Applied a total of 37 rules in 24 ms. Remains 206 /223 variables (removed 17) and now considering 212/226 (removed 14) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25 ms. Remains : 206/223 places, 212/226 transitions.
// Phase 1: matrix 212 rows 206 cols
[2026-05-24 13:48:58] [INFO ] Computed 31 invariants in 15 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (144044 resets) in 723 ms. (1381 steps per ms)
BEST_FIRST walk for 1000001 steps (91227 resets) in 515 ms. (1937 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-24 13:48:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:48:59] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2026-05-24 13:48:59] [INFO ] [Real]Absence check using 13 positive and 18 generalized place invariants in 3 ms returned sat
[2026-05-24 13:49:00] [INFO ] [Real]Absence check using state equation in 97 ms returned sat
[2026-05-24 13:49:00] [INFO ] State equation strengthened by 41 read => feed constraints.
[2026-05-24 13:49:00] [INFO ] [Real]Added 41 Read/Feed constraints in 93 ms returned sat
[2026-05-24 13:49:00] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:49:00] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2026-05-24 13:49:00] [INFO ] [Nat]Absence check using 13 positive and 18 generalized place invariants in 2 ms returned sat
[2026-05-24 13:49:00] [INFO ] [Nat]Absence check using state equation in 107 ms returned sat
[2026-05-24 13:49:00] [INFO ] [Nat]Added 41 Read/Feed constraints in 141 ms returned sat
[2026-05-24 13:49:00] [INFO ] Computed and/alt/rep : 167/1080/167 causal constraints (skipped 44 transitions) in 11 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:49:01] [INFO ] Deduced a trap composed of 13 places in 68 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:49:01] [INFO ] Deduced a trap composed of 22 places in 50 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:49:01] [INFO ] Deduced a trap composed of 24 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:49:01] [INFO ] Deduced a trap composed of 23 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:49:01] [INFO ] Deduced a trap composed of 25 places in 44 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:49:01] [INFO ] Deduced a trap composed of 24 places in 43 ms of which 4 ms to minimize.
[2026-05-24 13:49:01] [INFO ] Trap strengthening (SAT) tested/added 7/6 trap constraints in 615 ms
[2026-05-24 13:49:01] [INFO ] Added : 101 causal constraints over 21 iterations in 1462 ms. Result :sat
Minimization took 340 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 206 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 206/206 places, 212/212 transitions.
Applied a total of 0 rules in 3 ms. Remains 206 /206 variables (removed 0) and now considering 212/212 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 206/206 places, 212/212 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 206/206 places, 212/212 transitions.
Applied a total of 0 rules in 3 ms. Remains 206 /206 variables (removed 0) and now considering 212/212 (removed 0) transitions.
[2026-05-24 13:49:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:49:03] [INFO ] Implicit Places using invariants in 294 ms returned []
[2026-05-24 13:49:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:49:04] [INFO ] State equation strengthened by 41 read => feed constraints.
[2026-05-24 13:49:06] [INFO ] Implicit Places using invariants and state equation in 2362 ms returned [123, 127]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 2658 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 204/206 places, 212/212 transitions.
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 204 transition count 211
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 202 transition count 211
Applied a total of 4 rules in 13 ms. Remains 202 /204 variables (removed 2) and now considering 211/212 (removed 1) transitions.
// Phase 1: matrix 211 rows 202 cols
[2026-05-24 13:49:06] [INFO ] Computed 29 invariants in 16 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:49:06] [INFO ] Implicit Places using invariants in 279 ms returned []
[2026-05-24 13:49:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:49:06] [INFO ] State equation strengthened by 39 read => feed constraints.
[2026-05-24 13:49:08] [INFO ] Implicit Places using invariants and state equation in 1990 ms returned []
Implicit Place search using SMT with State Equation took 2271 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 202/206 places, 211/212 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 4946 ms. Remains : 202/206 places, 211/212 transitions.
[2026-05-24 13:49:08] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (144380 resets) in 824 ms. (1212 steps per ms)
BEST_FIRST walk for 1000001 steps (91551 resets) in 584 ms. (1709 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-24 13:49:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:49:10] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-24 13:49:10] [INFO ] [Real]Absence check using 3 positive and 26 generalized place invariants in 6 ms returned sat
[2026-05-24 13:49:10] [INFO ] [Real]Absence check using state equation in 82 ms returned sat
[2026-05-24 13:49:10] [INFO ] State equation strengthened by 39 read => feed constraints.
[2026-05-24 13:49:10] [INFO ] [Real]Added 39 Read/Feed constraints in 72 ms returned sat
[2026-05-24 13:49:10] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:49:10] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-24 13:49:10] [INFO ] [Nat]Absence check using 3 positive and 26 generalized place invariants in 5 ms returned sat
[2026-05-24 13:49:10] [INFO ] [Nat]Absence check using state equation in 80 ms returned sat
[2026-05-24 13:49:10] [INFO ] [Nat]Added 39 Read/Feed constraints in 65 ms returned sat
[2026-05-24 13:49:10] [INFO ] Computed and/alt/rep : 154/979/154 causal constraints (skipped 56 transitions) in 11 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:49:11] [INFO ] Deduced a trap composed of 7 places in 73 ms of which 6 ms to minimize.
[2026-05-24 13:49:11] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 120 ms
[2026-05-24 13:49:11] [INFO ] Added : 101 causal constraints over 21 iterations in 1305 ms. Result :sat
Minimization took 342 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 202 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 202/202 places, 211/211 transitions.
Applied a total of 0 rules in 7 ms. Remains 202 /202 variables (removed 0) and now considering 211/211 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 202/202 places, 211/211 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 202/202 places, 211/211 transitions.
Applied a total of 0 rules in 7 ms. Remains 202 /202 variables (removed 0) and now considering 211/211 (removed 0) transitions.
[2026-05-24 13:49:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:49:13] [INFO ] Implicit Places using invariants in 265 ms returned []
[2026-05-24 13:49:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:49:13] [INFO ] State equation strengthened by 39 read => feed constraints.
[2026-05-24 13:49:15] [INFO ] Implicit Places using invariants and state equation in 1934 ms returned []
Implicit Place search using SMT with State Equation took 2200 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 13:49:15] [INFO ] Redundant transitions in 1 ms returned []
Running 210 sub problems to find dead transitions.
[2026-05-24 13:49:15] [INFO ] Invariant cache hit.
[2026-05-24 13:49:15] [INFO ] State equation strengthened by 39 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/200 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/200 variables, 26/28 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/200 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 3 (OVERLAPS) 2/202 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 210 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/202 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 210 unsolved
Problem TDEAD24 is UNSAT
Problem TDEAD25 is UNSAT
Problem TDEAD26 is UNSAT
Problem TDEAD27 is UNSAT
Problem TDEAD29 is UNSAT
Problem TDEAD30 is UNSAT
Problem TDEAD49 is UNSAT
Problem TDEAD50 is UNSAT
Problem TDEAD51 is UNSAT
Problem TDEAD52 is UNSAT
Problem TDEAD53 is UNSAT
Problem TDEAD54 is UNSAT
Problem TDEAD77 is UNSAT
Problem TDEAD78 is UNSAT
Problem TDEAD79 is UNSAT
Problem TDEAD80 is UNSAT
Problem TDEAD94 is UNSAT
Problem TDEAD95 is UNSAT
Problem TDEAD124 is UNSAT
Problem TDEAD125 is UNSAT
Problem TDEAD126 is UNSAT
Problem TDEAD127 is UNSAT
Problem TDEAD128 is UNSAT
Problem TDEAD129 is UNSAT
Problem TDEAD130 is UNSAT
Problem TDEAD131 is UNSAT
Problem TDEAD132 is UNSAT
Problem TDEAD140 is UNSAT
Problem TDEAD145 is UNSAT
Problem TDEAD149 is UNSAT
Problem TDEAD150 is UNSAT
Problem TDEAD152 is UNSAT
Problem TDEAD181 is UNSAT
Problem TDEAD196 is UNSAT
Problem TDEAD197 is UNSAT
Problem TDEAD200 is UNSAT
Problem TDEAD201 is UNSAT
Problem TDEAD203 is UNSAT
Problem TDEAD208 is UNSAT
Problem TDEAD209 is UNSAT
Problem TDEAD210 is UNSAT
At refinement iteration 5 (OVERLAPS) 211/413 variables, 202/231 constraints. Problems are: Problem set: 41 solved, 169 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/413 variables, 39/270 constraints. Problems are: Problem set: 41 solved, 169 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/413 variables, 0/270 constraints. Problems are: Problem set: 41 solved, 169 unsolved
At refinement iteration 8 (OVERLAPS) 0/413 variables, 0/270 constraints. Problems are: Problem set: 41 solved, 169 unsolved
No progress, stopping.
After SMT solving in domain Real declared 413/413 variables, and 270 constraints, problems are : Problem set: 41 solved, 169 unsolved in 10825 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 202/202 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 210/210 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 41 solved, 169 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/162 variables, 2/2 constraints. Problems are: Problem set: 41 solved, 169 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/162 variables, 21/23 constraints. Problems are: Problem set: 41 solved, 169 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/162 variables, 0/23 constraints. Problems are: Problem set: 41 solved, 169 unsolved
At refinement iteration 3 (OVERLAPS) 21/183 variables, 1/24 constraints. Problems are: Problem set: 41 solved, 169 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/183 variables, 0/24 constraints. Problems are: Problem set: 41 solved, 169 unsolved
At refinement iteration 5 (OVERLAPS) 18/201 variables, 5/29 constraints. Problems are: Problem set: 41 solved, 169 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:49:29] [INFO ] Deduced a trap composed of 24 places in 44 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/201 variables, 1/30 constraints. Problems are: Problem set: 41 solved, 169 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/201 variables, 0/30 constraints. Problems are: Problem set: 41 solved, 169 unsolved
At refinement iteration 8 (OVERLAPS) 211/412 variables, 201/231 constraints. Problems are: Problem set: 41 solved, 169 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/412 variables, 39/270 constraints. Problems are: Problem set: 41 solved, 169 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/412 variables, 169/439 constraints. Problems are: Problem set: 41 solved, 169 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:49:36] [INFO ] Deduced a trap composed of 64 places in 87 ms of which 7 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/412 variables, 1/440 constraints. Problems are: Problem set: 41 solved, 169 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:49:48] [INFO ] Deduced a trap composed of 22 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:49:48] [INFO ] Deduced a trap composed of 21 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:49:48] [INFO ] Deduced a trap composed of 25 places in 47 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:49:49] [INFO ] Deduced a trap composed of 13 places in 89 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:49:50] [INFO ] Deduced a trap composed of 18 places in 49 ms of which 4 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/412 variables, 5/445 constraints. Problems are: Problem set: 41 solved, 169 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 412/413 variables, and 445 constraints, problems are : Problem set: 41 solved, 169 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 201/202 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 169/210 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40891ms problems are : Problem set: 41 solved, 169 unsolved
Search for dead transitions found 41 dead transitions in 40892ms
Found 41 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 41 transitions
Dead transitions reduction (with SMT) removed 41 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 202/202 places, 170/211 transitions.
Graph (complete) has 832 edges and 202 vertex of which 164 are kept as prefixes of interest. Removing 38 places using SCC suffix rule.0 ms
Discarding 38 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 3 ms. Remains 164 /202 variables (removed 38) and now considering 170/170 (removed 0) transitions.
// Phase 1: matrix 170 rows 164 cols
[2026-05-24 13:49:56] [INFO ] Computed 25 invariants in 7 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:49:56] [INFO ] Implicit Places using invariants in 183 ms returned [125]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 184 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 163/202 places, 170/211 transitions.
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 163 transition count 168
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 161 transition count 168
Applied a total of 4 rules in 6 ms. Remains 161 /163 variables (removed 2) and now considering 168/170 (removed 2) transitions.
// Phase 1: matrix 168 rows 161 cols
[2026-05-24 13:49:56] [INFO ] Computed 24 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:49:56] [INFO ] Implicit Places using invariants in 174 ms returned []
[2026-05-24 13:49:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:49:56] [INFO ] State equation strengthened by 31 read => feed constraints.
[2026-05-24 13:49:57] [INFO ] Implicit Places using invariants and state equation in 1114 ms returned []
Implicit Place search using SMT with State Equation took 1289 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 3 : 161/202 places, 168/211 transitions.
Finished structural reductions in REACHABILITY mode , in 3 iterations and 44596 ms. Remains : 161/202 places, 168/211 transitions.
[2026-05-24 13:49:57] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (144430 resets) in 644 ms. (1550 steps per ms)
BEST_FIRST walk for 1000001 steps (91071 resets) in 458 ms. (2178 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-24 13:49:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:49:59] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-24 13:49:59] [INFO ] [Real]Absence check using 8 positive and 16 generalized place invariants in 3 ms returned sat
[2026-05-24 13:49:59] [INFO ] [Real]Absence check using state equation in 61 ms returned sat
[2026-05-24 13:49:59] [INFO ] State equation strengthened by 31 read => feed constraints.
[2026-05-24 13:49:59] [INFO ] [Real]Added 31 Read/Feed constraints in 43 ms returned sat
[2026-05-24 13:49:59] [INFO ] Computed and/alt/rep : 135/862/135 causal constraints (skipped 32 transitions) in 8 ms.
[2026-05-24 13:49:59] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:49:59] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-24 13:49:59] [INFO ] [Nat]Absence check using 8 positive and 16 generalized place invariants in 3 ms returned sat
[2026-05-24 13:49:59] [INFO ] [Nat]Absence check using state equation in 61 ms returned sat
[2026-05-24 13:49:59] [INFO ] [Nat]Added 31 Read/Feed constraints in 37 ms returned sat
[2026-05-24 13:49:59] [INFO ] Computed and/alt/rep : 135/862/135 causal constraints (skipped 32 transitions) in 10 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:50:00] [INFO ] Deduced a trap composed of 8 places in 66 ms of which 5 ms to minimize.
[2026-05-24 13:50:00] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 101 ms
[2026-05-24 13:50:00] [INFO ] Added : 120 causal constraints over 25 iterations in 1206 ms. Result :sat
Minimization took 231 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 161 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 161/161 places, 168/168 transitions.
Applied a total of 0 rules in 2 ms. Remains 161 /161 variables (removed 0) and now considering 168/168 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 161/161 places, 168/168 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 161/161 places, 168/168 transitions.
Applied a total of 0 rules in 2 ms. Remains 161 /161 variables (removed 0) and now considering 168/168 (removed 0) transitions.
[2026-05-24 13:50:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:50:02] [INFO ] Implicit Places using invariants in 188 ms returned []
[2026-05-24 13:50:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:50:02] [INFO ] State equation strengthened by 31 read => feed constraints.
[2026-05-24 13:50:03] [INFO ] Implicit Places using invariants and state equation in 1104 ms returned []
Implicit Place search using SMT with State Equation took 1293 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 13:50:03] [INFO ] Redundant transitions in 1 ms returned []
Running 167 sub problems to find dead transitions.
[2026-05-24 13:50:03] [INFO ] Invariant cache hit.
[2026-05-24 13:50:03] [INFO ] State equation strengthened by 31 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/159 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/159 variables, 16/18 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/159 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 3 (OVERLAPS) 2/161 variables, 6/24 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/161 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 5 (OVERLAPS) 168/329 variables, 161/185 constraints. Problems are: Problem set: 0 solved, 167 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/329 variables, 31/216 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/329 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 8 (OVERLAPS) 0/329 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 167 unsolved
No progress, stopping.
After SMT solving in domain Real declared 329/329 variables, and 216 constraints, problems are : Problem set: 0 solved, 167 unsolved in 7058 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 16/16 constraints, State Equation: 161/161 constraints, ReadFeed: 31/31 constraints, PredecessorRefiner: 167/167 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 167 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/159 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/159 variables, 16/18 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/159 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 3 (OVERLAPS) 2/161 variables, 6/24 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/161 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 5 (OVERLAPS) 168/329 variables, 161/185 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/329 variables, 31/216 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/329 variables, 167/383 constraints. Problems are: Problem set: 0 solved, 167 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:50:16] [INFO ] Deduced a trap composed of 4 places in 64 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:50:17] [INFO ] Deduced a trap composed of 9 places in 65 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:50:17] [INFO ] Deduced a trap composed of 8 places in 56 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:50:18] [INFO ] Deduced a trap composed of 50 places in 72 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:50:18] [INFO ] Deduced a trap composed of 50 places in 82 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:50:18] [INFO ] Deduced a trap composed of 50 places in 68 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:50:18] [INFO ] Deduced a trap composed of 50 places in 76 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:50:19] [INFO ] Deduced a trap composed of 50 places in 73 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:50:19] [INFO ] Deduced a trap composed of 72 places in 65 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:50:20] [INFO ] Deduced a trap composed of 9 places in 66 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:50:21] [INFO ] Deduced a trap composed of 16 places in 83 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:50:21] [INFO ] Deduced a trap composed of 18 places in 83 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:50:21] [INFO ] Deduced a trap composed of 23 places in 76 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:50:22] [INFO ] Deduced a trap composed of 22 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:50:22] [INFO ] Deduced a trap composed of 31 places in 86 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:50:23] [INFO ] Deduced a trap composed of 12 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:50:25] [INFO ] Deduced a trap composed of 13 places in 79 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:50:25] [INFO ] Deduced a trap composed of 24 places in 78 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:50:25] [INFO ] Deduced a trap composed of 33 places in 78 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:50:25] [INFO ] Deduced a trap composed of 33 places in 87 ms of which 16 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/329 variables, 20/403 constraints. Problems are: Problem set: 0 solved, 167 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:50:29] [INFO ] Deduced a trap composed of 45 places in 76 ms of which 14 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/329 variables, 1/404 constraints. Problems are: Problem set: 0 solved, 167 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 329/329 variables, and 404 constraints, problems are : Problem set: 0 solved, 167 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 16/16 constraints, State Equation: 161/161 constraints, ReadFeed: 31/31 constraints, PredecessorRefiner: 167/167 constraints, Known Traps: 21/21 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 37107ms problems are : Problem set: 0 solved, 167 unsolved
Search for dead transitions found 0 dead transitions in 37108ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38409 ms. Remains : 161/161 places, 168/168 transitions.
[2026-05-24 13:50:41] [INFO ] Flatten gal took : 9 ms
[2026-05-24 13:50:41] [INFO ] Flatten gal took : 8 ms
[2026-05-24 13:50:41] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality206366467460484740.gal : 2 ms
[2026-05-24 13:50:41] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1622811062024375155.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality206366467460484740.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1622811062024375155.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...327
RANDOM walk for 40000 steps (5732 resets) in 89 ms. (444 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality1622811062024375155.prop.
BEST_FIRST walk for 40001 steps (3656 resets) in 48 ms. (816 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :2 after 6
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :6 after 13
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :13 after 14
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :14 after 30
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :30 after 40
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :40 after 118
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :118 after 236
BEST_FIRST walk for 40002 steps (3703 resets) in 55 ms. (714 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :236 after 494
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :494 after 1110
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :1110 after 23429
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :23429 after 41406
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :41406 after 91231
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :91231 after 214497
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :214497 after 445053
Interrupted probabilistic random walk after 532241 steps, run timeout after 3001 ms. (steps per millisecond=177 ) properties seen :0 out of 2
Probabilistic random walk after 532241 steps, saw 266178 distinct states, run finished after 3001 ms. (steps per millisecond=177 ) properties seen :0
[2026-05-24 13:50:44] [INFO ] Invariant cache hit.
[2026-05-24 13:50:44] [INFO ] State equation strengthened by 31 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 109/110 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 46/156 variables, 16/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:50:44] [INFO ] Deduced a trap composed of 4 places in 75 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:50:44] [INFO ] Deduced a trap composed of 7 places in 66 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:50:44] [INFO ] Deduced a trap composed of 7 places in 67 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 3/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 168/324 variables, 156/181 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/324 variables, 31/212 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/324 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 5/329 variables, 5/217 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/329 variables, 2/219 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/329 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 0/329 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 329/329 variables, and 219 constraints, problems are : Problem set: 0 solved, 2 unsolved in 496 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 16/16 constraints, State Equation: 161/161 constraints, ReadFeed: 31/31 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 109/110 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 46/156 variables, 16/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 3/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 168/324 variables, 156/181 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/324 variables, 31/212 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/324 variables, 2/214 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/324 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 5/329 variables, 5/219 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/329 variables, 2/221 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/329 variables, 0/221 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/329 variables, 0/221 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 329/329 variables, and 221 constraints, problems are : Problem set: 0 solved, 2 unsolved in 306 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 16/16 constraints, State Equation: 161/161 constraints, ReadFeed: 31/31 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 806ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
SDD proceeding with computation,2 properties remain. new max is 131072
SDD size :445053 after 2.97961e+06
Parikh walk visited 0 properties in 2430 ms.
Support contains 1 out of 161 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 161/161 places, 168/168 transitions.
Applied a total of 0 rules in 2 ms. Remains 161 /161 variables (removed 0) and now considering 168/168 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 161/161 places, 168/168 transitions.
RANDOM walk for 40000 steps (5781 resets) in 72 ms. (547 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (3610 resets) in 86 ms. (459 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (3673 resets) in 58 ms. (677 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 486436 steps, run timeout after 3001 ms. (steps per millisecond=162 ) properties seen :0 out of 2
Probabilistic random walk after 486436 steps, saw 243265 distinct states, run finished after 3001 ms. (steps per millisecond=162 ) properties seen :0
[2026-05-24 13:50:50] [INFO ] Invariant cache hit.
[2026-05-24 13:50:50] [INFO ] State equation strengthened by 31 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 109/110 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 46/156 variables, 16/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:50:50] [INFO ] Deduced a trap composed of 4 places in 69 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:50:50] [INFO ] Deduced a trap composed of 7 places in 71 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:50:50] [INFO ] Deduced a trap composed of 7 places in 64 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 3/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 168/324 variables, 156/181 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/324 variables, 31/212 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/324 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 5/329 variables, 5/217 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/329 variables, 2/219 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/329 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 0/329 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 329/329 variables, and 219 constraints, problems are : Problem set: 0 solved, 2 unsolved in 492 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 16/16 constraints, State Equation: 161/161 constraints, ReadFeed: 31/31 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 109/110 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 46/156 variables, 16/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 3/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 168/324 variables, 156/181 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/324 variables, 31/212 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/324 variables, 2/214 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/324 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 5/329 variables, 5/219 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/329 variables, 2/221 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/329 variables, 0/221 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/329 variables, 0/221 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 329/329 variables, and 221 constraints, problems are : Problem set: 0 solved, 2 unsolved in 315 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 16/16 constraints, State Equation: 161/161 constraints, ReadFeed: 31/31 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 818ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 3474 ms.
Support contains 1 out of 161 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 161/161 places, 168/168 transitions.
Applied a total of 0 rules in 3 ms. Remains 161 /161 variables (removed 0) and now considering 168/168 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 161/161 places, 168/168 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 161/161 places, 168/168 transitions.
Applied a total of 0 rules in 2 ms. Remains 161 /161 variables (removed 0) and now considering 168/168 (removed 0) transitions.
[2026-05-24 13:50:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:50:54] [INFO ] Implicit Places using invariants in 182 ms returned []
[2026-05-24 13:50:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:50:55] [INFO ] State equation strengthened by 31 read => feed constraints.
[2026-05-24 13:50:56] [INFO ] Implicit Places using invariants and state equation in 1135 ms returned []
Implicit Place search using SMT with State Equation took 1319 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 13:50:56] [INFO ] Redundant transitions in 1 ms returned []
Running 167 sub problems to find dead transitions.
[2026-05-24 13:50:56] [INFO ] Invariant cache hit.
[2026-05-24 13:50:56] [INFO ] State equation strengthened by 31 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SDD proceeding with computation,2 properties remain. new max is 262144
SDD size :2.97961e+06 after 3.08077e+07
At refinement iteration 0 (INCLUDED_ONLY) 0/159 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/159 variables, 16/18 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/159 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 3 (OVERLAPS) 2/161 variables, 6/24 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/161 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 5 (OVERLAPS) 168/329 variables, 161/185 constraints. Problems are: Problem set: 0 solved, 167 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/329 variables, 31/216 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/329 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 8 (OVERLAPS) 0/329 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 167 unsolved
No progress, stopping.
After SMT solving in domain Real declared 329/329 variables, and 216 constraints, problems are : Problem set: 0 solved, 167 unsolved in 7251 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 16/16 constraints, State Equation: 161/161 constraints, ReadFeed: 31/31 constraints, PredecessorRefiner: 167/167 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 167 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/159 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/159 variables, 16/18 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/159 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 3 (OVERLAPS) 2/161 variables, 6/24 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/161 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 5 (OVERLAPS) 168/329 variables, 161/185 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/329 variables, 31/216 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/329 variables, 167/383 constraints. Problems are: Problem set: 0 solved, 167 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:51:09] [INFO ] Deduced a trap composed of 4 places in 57 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:51:09] [INFO ] Deduced a trap composed of 9 places in 57 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:51:09] [INFO ] Deduced a trap composed of 8 places in 52 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:51:11] [INFO ] Deduced a trap composed of 50 places in 72 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:51:11] [INFO ] Deduced a trap composed of 50 places in 70 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:51:11] [INFO ] Deduced a trap composed of 50 places in 64 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:51:11] [INFO ] Deduced a trap composed of 50 places in 67 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:51:11] [INFO ] Deduced a trap composed of 50 places in 72 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:51:11] [INFO ] Deduced a trap composed of 72 places in 59 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:51:13] [INFO ] Deduced a trap composed of 9 places in 71 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:51:13] [INFO ] Deduced a trap composed of 16 places in 74 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:51:13] [INFO ] Deduced a trap composed of 18 places in 77 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:51:14] [INFO ] Deduced a trap composed of 23 places in 67 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:51:14] [INFO ] Deduced a trap composed of 22 places in 37 ms of which 3 ms to minimize.
SDD proceeding with computation,2 properties remain. new max is 524288
SDD size :3.08077e+07 after 1.03418e+08
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:51:15] [INFO ] Deduced a trap composed of 31 places in 87 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:51:15] [INFO ] Deduced a trap composed of 12 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:51:17] [INFO ] Deduced a trap composed of 13 places in 67 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:51:17] [INFO ] Deduced a trap composed of 24 places in 71 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:51:17] [INFO ] Deduced a trap composed of 33 places in 80 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:51:17] [INFO ] Deduced a trap composed of 33 places in 75 ms of which 16 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/329 variables, 20/403 constraints. Problems are: Problem set: 0 solved, 167 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:51:21] [INFO ] Deduced a trap composed of 45 places in 70 ms of which 14 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/329 variables, 1/404 constraints. Problems are: Problem set: 0 solved, 167 unsolved
Detected timeout of ITS tools.
[2026-05-24 13:51:31] [INFO ] Flatten gal took : 6 ms
[2026-05-24 13:51:31] [INFO ] Applying decomposition
[2026-05-24 13:51:31] [INFO ] Flatten gal took : 6 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph1538121237985810125.txt' '-o' '/tmp/graph1538121237985810125.bin' '-w' '/tmp/graph1538121237985810125.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph1538121237985810125.bin' '-l' '-1' '-v' '-w' '/tmp/graph1538121237985810125.weights' '-q' '0' '-e' '0.001'
[2026-05-24 13:51:31] [INFO ] Decomposing Gal with order
[2026-05-24 13:51:31] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 13:51:31] [INFO ] Removed a total of 80 redundant transitions.
[2026-05-24 13:51:31] [INFO ] Flatten gal took : 11 ms
[2026-05-24 13:51:31] [INFO ] Fuse similar labels procedure discarded/fused a total of 80 labels/synchronizations in 2 ms.
[2026-05-24 13:51:31] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13465965251043980676.gal : 2 ms
[2026-05-24 13:51:31] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12191364295127368666.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13465965251043980676.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12191364295127368666.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityCardinality12191364295127368666.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :10 after 46
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :46 after 63
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :63 after 1146
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :1146 after 1677
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :1677 after 132847
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 329/329 variables, and 404 constraints, problems are : Problem set: 0 solved, 167 unsolved in 30010 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 16/16 constraints, State Equation: 161/161 constraints, ReadFeed: 31/31 constraints, PredecessorRefiner: 167/167 constraints, Known Traps: 21/21 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 37293ms problems are : Problem set: 0 solved, 167 unsolved
Search for dead transitions found 0 dead transitions in 37294ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38622 ms. Remains : 161/161 places, 168/168 transitions.
Attempting over-approximation, by ignoring read arcs.
Performed 15 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 15 Pre rules applied. Total rules applied 0 place count 161 transition count 153
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 0 with 30 rules applied. Total rules applied 30 place count 146 transition count 153
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 37 place count 139 transition count 146
Iterating global reduction 0 with 7 rules applied. Total rules applied 44 place count 139 transition count 146
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 0 with 2 rules applied. Total rules applied 46 place count 139 transition count 144
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 48 place count 137 transition count 144
Applied a total of 48 rules in 7 ms. Remains 137 /161 variables (removed 24) and now considering 144/168 (removed 24) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 144 rows 137 cols
[2026-05-24 13:51:33] [INFO ] Computed 24 invariants in 8 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-24 13:51:33] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2026-05-24 13:51:33] [INFO ] [Real]Absence check using 4 positive and 20 generalized place invariants in 4 ms returned sat
[2026-05-24 13:51:33] [INFO ] After 77ms SMT Verify possible using state equation in real domain returned unsat :0 sat :2
[2026-05-24 13:51:33] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-24 13:51:33] [INFO ] After 13ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:2
[2026-05-24 13:51:33] [INFO ] After 130ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-24 13:51:33] [INFO ] [Nat]Absence check using 4 positive place invariants in 0 ms returned sat
[2026-05-24 13:51:33] [INFO ] [Nat]Absence check using 4 positive and 20 generalized place invariants in 3 ms returned sat
[2026-05-24 13:51:33] [INFO ] After 72ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2026-05-24 13:51:33] [INFO ] After 10ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:51:33] [INFO ] Deduced a trap composed of 5 places in 61 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:51:33] [INFO ] Deduced a trap composed of 13 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:51:33] [INFO ] Deduced a trap composed of 19 places in 36 ms of which 3 ms to minimize.
[2026-05-24 13:51:33] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 167 ms
TRAPS : Iteration 1
[2026-05-24 13:51:33] [INFO ] After 214ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2026-05-24 13:51:33] [INFO ] After 336ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2026-05-24 13:51:33] [INFO ] Flatten gal took : 9 ms
[2026-05-24 13:51:33] [INFO ] Flatten gal took : 5 ms
[2026-05-24 13:51:33] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10429192863698353924.gal : 1 ms
[2026-05-24 13:51:33] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8360100012498219664.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality10429192863698353924.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8360100012498219664.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality8360100012498219664.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :3 after 13
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :13 after 31
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :31 after 52
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :52 after 63
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :63 after 171
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :171 after 306
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :306 after 1280
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1280 after 3545
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :3545 after 13276
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :13276 after 31515
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :31515 after 69690
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :69690 after 160417
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :132847 after 401374
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :160417 after 345999
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :345999 after 739215
SDD proceeding with computation,2 properties remain. new max is 131072
SDD size :739215 after 1.55192e+06
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :401374 after 751425
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :751425 after 1.11435e+06
SDD proceeding with computation,2 properties remain. new max is 262144
SDD size :1.55192e+06 after 3.21312e+06
Detected timeout of ITS tools.
[2026-05-24 13:51:48] [INFO ] Flatten gal took : 5 ms
[2026-05-24 13:51:48] [INFO ] Applying decomposition
[2026-05-24 13:51:48] [INFO ] Flatten gal took : 5 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph3345237300075843655.txt' '-o' '/tmp/graph3345237300075843655.bin' '-w' '/tmp/graph3345237300075843655.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph3345237300075843655.bin' '-l' '-1' '-v' '-w' '/tmp/graph3345237300075843655.weights' '-q' '0' '-e' '0.001'
[2026-05-24 13:51:49] [INFO ] Decomposing Gal with order
[2026-05-24 13:51:49] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 13:51:49] [INFO ] Removed a total of 83 redundant transitions.
[2026-05-24 13:51:49] [INFO ] Flatten gal took : 18 ms
[2026-05-24 13:51:49] [INFO ] Fuse similar labels procedure discarded/fused a total of 16 labels/synchronizations in 2 ms.
[2026-05-24 13:51:49] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality18262784660827191789.gal : 4 ms
[2026-05-24 13:51:49] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8269236563135005786.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality18262784660827191789.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8269236563135005786.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality8269236563135005786.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 432
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :1.11435e+06 after 4.33263e+06
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :432 after 112660
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30638 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[1]
Ending property specific reduction for DoubleExponent-PT-010-UpperBounds-07 in 190815 ms.
Starting property specific reduction for DoubleExponent-PT-010-UpperBounds-09
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[1]
// Phase 1: matrix 227 rows 223 cols
[2026-05-24 13:52:04] [INFO ] Computed 31 invariants in 7 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 10000 steps (1445 resets) in 14 ms. (666 steps per ms)
BEST_FIRST walk for 10000 steps (912 resets) in 10 ms. (909 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-24 13:52:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:52:04] [INFO ] [Real]Absence check using 8 positive place invariants in 6 ms returned sat
[2026-05-24 13:52:04] [INFO ] [Real]Absence check using 8 positive and 23 generalized place invariants in 5 ms returned sat
[2026-05-24 13:52:04] [INFO ] [Real]Absence check using state equation in 99 ms returned sat
[2026-05-24 13:52:04] [INFO ] State equation strengthened by 32 read => feed constraints.
[2026-05-24 13:52:04] [INFO ] [Real]Added 32 Read/Feed constraints in 105 ms returned sat
[2026-05-24 13:52:04] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:52:04] [INFO ] [Nat]Absence check using 8 positive place invariants in 6 ms returned sat
[2026-05-24 13:52:04] [INFO ] [Nat]Absence check using 8 positive and 23 generalized place invariants in 4 ms returned sat
[2026-05-24 13:52:04] [INFO ] [Nat]Absence check using state equation in 82 ms returned sat
[2026-05-24 13:52:04] [INFO ] [Nat]Added 32 Read/Feed constraints in 79 ms returned sat
[2026-05-24 13:52:04] [INFO ] Computed and/alt/rep : 193/1079/193 causal constraints (skipped 33 transitions) in 10 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:06] [INFO ] Deduced a trap composed of 8 places in 71 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:06] [INFO ] Deduced a trap composed of 10 places in 63 ms of which 4 ms to minimize.
[2026-05-24 13:52:06] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 211 ms
[2026-05-24 13:52:06] [INFO ] Added : 115 causal constraints over 23 iterations in 1808 ms. Result :sat
Minimization took 447 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 223 places. Attempting structural reductions.
Drop transitions (Removing consumers from one bounded place p292) removed 1 transitions
Starting structural reductions in REACHABILITY mode, iteration 0 : 223/223 places, 226/226 transitions.
Reduce places removed 1 places and 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 222 transition count 222
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 5 place count 220 transition count 222
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 5 place count 220 transition count 220
Deduced a syphon composed of 99 places in 1 ms
Reduce places removed 99 places and 107 transitions.
Iterating global reduction 2 with 101 rules applied. Total rules applied 106 place count 121 transition count 113
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 2 with 5 rules applied. Total rules applied 111 place count 116 transition count 113
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 113 place count 115 transition count 112
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 115 place count 114 transition count 112
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 3 with 2 rules applied. Total rules applied 117 place count 114 transition count 111
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 119 place count 112 transition count 111
Applied a total of 119 rules in 8 ms. Remains 112 /223 variables (removed 111) and now considering 111/226 (removed 115) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 112/223 places, 111/226 transitions.
// Phase 1: matrix 111 rows 112 cols
[2026-05-24 13:52:07] [INFO ] Computed 19 invariants in 7 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (144416 resets) in 617 ms. (1618 steps per ms)
BEST_FIRST walk for 1000000 steps (91264 resets) in 443 ms. (2252 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-24 13:52:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:52:08] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-24 13:52:08] [INFO ] [Real]Absence check using 8 positive and 11 generalized place invariants in 1 ms returned sat
[2026-05-24 13:52:08] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2026-05-24 13:52:08] [INFO ] State equation strengthened by 23 read => feed constraints.
[2026-05-24 13:52:08] [INFO ] [Real]Added 23 Read/Feed constraints in 10 ms returned sat
[2026-05-24 13:52:08] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:52:08] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2026-05-24 13:52:08] [INFO ] [Nat]Absence check using 8 positive and 11 generalized place invariants in 1 ms returned sat
[2026-05-24 13:52:08] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2026-05-24 13:52:08] [INFO ] [Nat]Added 23 Read/Feed constraints in 11 ms returned sat
[2026-05-24 13:52:08] [INFO ] Computed and/alt/rep : 95/578/95 causal constraints (skipped 15 transitions) in 8 ms.
[2026-05-24 13:52:08] [INFO ] Added : 72 causal constraints over 15 iterations in 291 ms. Result :sat
Minimization took 154 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 112 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 112/112 places, 111/111 transitions.
Applied a total of 0 rules in 1 ms. Remains 112 /112 variables (removed 0) and now considering 111/111 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 112/112 places, 111/111 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 112/112 places, 111/111 transitions.
Applied a total of 0 rules in 7 ms. Remains 112 /112 variables (removed 0) and now considering 111/111 (removed 0) transitions.
[2026-05-24 13:52:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:52:09] [INFO ] Implicit Places using invariants in 102 ms returned [74, 78]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 103 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 110/112 places, 111/111 transitions.
Applied a total of 0 rules in 1 ms. Remains 110 /110 variables (removed 0) and now considering 111/111 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 112 ms. Remains : 110/112 places, 111/111 transitions.
// Phase 1: matrix 111 rows 110 cols
[2026-05-24 13:52:09] [INFO ] Computed 17 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (144335 resets) in 661 ms. (1510 steps per ms)
BEST_FIRST walk for 1000000 steps (91412 resets) in 483 ms. (2066 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-24 13:52:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:52:10] [INFO ] [Real]Absence check using 7 positive place invariants in 3 ms returned sat
[2026-05-24 13:52:10] [INFO ] [Real]Absence check using 7 positive and 10 generalized place invariants in 2 ms returned sat
[2026-05-24 13:52:10] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2026-05-24 13:52:10] [INFO ] State equation strengthened by 21 read => feed constraints.
[2026-05-24 13:52:10] [INFO ] [Real]Added 21 Read/Feed constraints in 9 ms returned sat
[2026-05-24 13:52:10] [INFO ] Computed and/alt/rep : 95/574/95 causal constraints (skipped 15 transitions) in 7 ms.
[2026-05-24 13:52:10] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:52:10] [INFO ] [Nat]Absence check using 7 positive place invariants in 2 ms returned sat
[2026-05-24 13:52:10] [INFO ] [Nat]Absence check using 7 positive and 10 generalized place invariants in 1 ms returned sat
[2026-05-24 13:52:10] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2026-05-24 13:52:10] [INFO ] [Nat]Added 21 Read/Feed constraints in 21 ms returned sat
[2026-05-24 13:52:10] [INFO ] Computed and/alt/rep : 95/574/95 causal constraints (skipped 15 transitions) in 7 ms.
[2026-05-24 13:52:10] [INFO ] Added : 83 causal constraints over 17 iterations in 267 ms. Result :sat
Minimization took 106 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 110 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 111/111 transitions.
Applied a total of 0 rules in 2 ms. Remains 110 /110 variables (removed 0) and now considering 111/111 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 110/110 places, 111/111 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 111/111 transitions.
Applied a total of 0 rules in 1 ms. Remains 110 /110 variables (removed 0) and now considering 111/111 (removed 0) transitions.
[2026-05-24 13:52:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:52:11] [INFO ] Implicit Places using invariants in 96 ms returned []
[2026-05-24 13:52:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:52:11] [INFO ] State equation strengthened by 21 read => feed constraints.
[2026-05-24 13:52:11] [INFO ] Implicit Places using invariants and state equation in 334 ms returned [75]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 432 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 109/110 places, 111/111 transitions.
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 109 transition count 109
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 107 transition count 109
Applied a total of 4 rules in 7 ms. Remains 107 /109 variables (removed 2) and now considering 109/111 (removed 2) transitions.
// Phase 1: matrix 109 rows 107 cols
[2026-05-24 13:52:11] [INFO ] Computed 17 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:52:11] [INFO ] Implicit Places using invariants in 88 ms returned []
[2026-05-24 13:52:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:52:11] [INFO ] State equation strengthened by 24 read => feed constraints.
[2026-05-24 13:52:11] [INFO ] Implicit Places using invariants and state equation in 324 ms returned []
Implicit Place search using SMT with State Equation took 413 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 107/110 places, 109/111 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 854 ms. Remains : 107/110 places, 109/111 transitions.
[2026-05-24 13:52:11] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (144287 resets) in 669 ms. (1492 steps per ms)
BEST_FIRST walk for 1000000 steps (91148 resets) in 479 ms. (2083 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-24 13:52:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:52:13] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2026-05-24 13:52:13] [INFO ] [Real]Absence check using 4 positive and 13 generalized place invariants in 3 ms returned sat
[2026-05-24 13:52:13] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2026-05-24 13:52:13] [INFO ] State equation strengthened by 24 read => feed constraints.
[2026-05-24 13:52:13] [INFO ] [Real]Added 24 Read/Feed constraints in 15 ms returned sat
[2026-05-24 13:52:13] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:52:13] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-24 13:52:13] [INFO ] [Nat]Absence check using 4 positive and 13 generalized place invariants in 2 ms returned sat
[2026-05-24 13:52:13] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2026-05-24 13:52:13] [INFO ] [Nat]Added 24 Read/Feed constraints in 19 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:13] [INFO ] Deduced a trap composed of 16 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:13] [INFO ] Deduced a trap composed of 16 places in 32 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:13] [INFO ] Deduced a trap composed of 12 places in 33 ms of which 2 ms to minimize.
[2026-05-24 13:52:13] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 137 ms
[2026-05-24 13:52:13] [INFO ] Computed and/alt/rep : 93/561/93 causal constraints (skipped 15 transitions) in 6 ms.
[2026-05-24 13:52:13] [INFO ] Added : 79 causal constraints over 18 iterations in 424 ms. Result :sat
Minimization took 112 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 107 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 107/107 places, 109/109 transitions.
Applied a total of 0 rules in 2 ms. Remains 107 /107 variables (removed 0) and now considering 109/109 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 107/107 places, 109/109 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 107/107 places, 109/109 transitions.
Applied a total of 0 rules in 2 ms. Remains 107 /107 variables (removed 0) and now considering 109/109 (removed 0) transitions.
[2026-05-24 13:52:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:52:14] [INFO ] Implicit Places using invariants in 93 ms returned []
[2026-05-24 13:52:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:52:14] [INFO ] State equation strengthened by 24 read => feed constraints.
[2026-05-24 13:52:14] [INFO ] Implicit Places using invariants and state equation in 324 ms returned []
Implicit Place search using SMT with State Equation took 418 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 13:52:14] [INFO ] Redundant transitions in 0 ms returned []
Running 108 sub problems to find dead transitions.
[2026-05-24 13:52:14] [INFO ] Invariant cache hit.
[2026-05-24 13:52:14] [INFO ] State equation strengthened by 24 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/105 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/105 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 3 (OVERLAPS) 2/107 variables, 2/15 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/107 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:15] [INFO ] Deduced a trap composed of 12 places in 33 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/107 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/107 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 7 (OVERLAPS) 109/216 variables, 107/125 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/216 variables, 24/149 constraints. Problems are: Problem set: 0 solved, 108 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/216 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 10 (OVERLAPS) 0/216 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 108 unsolved
No progress, stopping.
After SMT solving in domain Real declared 216/216 variables, and 149 constraints, problems are : Problem set: 0 solved, 108 unsolved in 3591 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 13/13 constraints, State Equation: 107/107 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 108/108 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/105 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/105 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 3 (OVERLAPS) 2/107 variables, 2/15 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/107 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/107 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/107 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 7 (OVERLAPS) 109/216 variables, 107/125 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/216 variables, 24/149 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/216 variables, 108/257 constraints. Problems are: Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:19] [INFO ] Deduced a trap composed of 6 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:20] [INFO ] Deduced a trap composed of 35 places in 51 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:20] [INFO ] Deduced a trap composed of 4 places in 56 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:20] [INFO ] Deduced a trap composed of 25 places in 54 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:20] [INFO ] Deduced a trap composed of 31 places in 57 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:20] [INFO ] Deduced a trap composed of 31 places in 52 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:21] [INFO ] Deduced a trap composed of 31 places in 50 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:21] [INFO ] Deduced a trap composed of 36 places in 58 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:21] [INFO ] Deduced a trap composed of 40 places in 59 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:21] [INFO ] Deduced a trap composed of 40 places in 49 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:21] [INFO ] Deduced a trap composed of 40 places in 50 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:21] [INFO ] Deduced a trap composed of 40 places in 54 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:21] [INFO ] Deduced a trap composed of 28 places in 58 ms of which 9 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/216 variables, 13/270 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/216 variables, 0/270 constraints. Problems are: Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:25] [INFO ] Deduced a trap composed of 8 places in 46 ms of which 2 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/216 variables, 1/271 constraints. Problems are: Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:27] [INFO ] Deduced a trap composed of 14 places in 58 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:27] [INFO ] Deduced a trap composed of 15 places in 64 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:28] [INFO ] Deduced a trap composed of 16 places in 52 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:28] [INFO ] Deduced a trap composed of 26 places in 56 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:28] [INFO ] Deduced a trap composed of 10 places in 52 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:28] [INFO ] Deduced a trap composed of 24 places in 59 ms of which 8 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/216 variables, 6/277 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/216 variables, 0/277 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 15 (OVERLAPS) 0/216 variables, 0/277 constraints. Problems are: Problem set: 0 solved, 108 unsolved
No progress, stopping.
After SMT solving in domain Int declared 216/216 variables, and 277 constraints, problems are : Problem set: 0 solved, 108 unsolved in 19773 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 13/13 constraints, State Equation: 107/107 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 108/108 constraints, Known Traps: 21/21 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 23384ms problems are : Problem set: 0 solved, 108 unsolved
Search for dead transitions found 0 dead transitions in 23385ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23814 ms. Remains : 107/107 places, 109/109 transitions.
[2026-05-24 13:52:37] [INFO ] Flatten gal took : 10 ms
[2026-05-24 13:52:37] [INFO ] Flatten gal took : 4 ms
[2026-05-24 13:52:37] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality183949701209840136.gal : 0 ms
[2026-05-24 13:52:37] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12574495328741410794.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality183949701209840136.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12574495328741410794.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
RANDOM walk for 40000 steps (5774 resets) in 82 ms. (481 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality12574495328741410794.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :2 after 6
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :6 after 8
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :8 after 14
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :14 after 27
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :27 after 40
BEST_FIRST walk for 40001 steps (3652 resets) in 45 ms. (869 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :40 after 127
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :127 after 261
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :261 after 743
BEST_FIRST walk for 40001 steps (3611 resets) in 51 ms. (769 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :743 after 2471
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :2471 after 10660
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :10660 after 30379
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :30379 after 88295
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :88295 after 212702
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :212702 after 466791
Interrupted probabilistic random walk after 542197 steps, run timeout after 3001 ms. (steps per millisecond=180 ) properties seen :0 out of 2
Probabilistic random walk after 542197 steps, saw 271152 distinct states, run finished after 3001 ms. (steps per millisecond=180 ) properties seen :0
[2026-05-24 13:52:40] [INFO ] Invariant cache hit.
[2026-05-24 13:52:40] [INFO ] State equation strengthened by 24 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 39/40 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 50/90 variables, 9/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:41] [INFO ] Deduced a trap composed of 3 places in 60 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:41] [INFO ] Deduced a trap composed of 10 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:41] [INFO ] Deduced a trap composed of 13 places in 36 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:41] [INFO ] Deduced a trap composed of 14 places in 30 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:41] [INFO ] Deduced a trap composed of 15 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:41] [INFO ] Deduced a trap composed of 16 places in 28 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:41] [INFO ] Deduced a trap composed of 16 places in 31 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 7/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/90 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 10/100 variables, 3/21 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:41] [INFO ] Deduced a trap composed of 4 places in 49 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:41] [INFO ] Deduced a trap composed of 7 places in 46 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:41] [INFO ] Deduced a trap composed of 7 places in 48 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/100 variables, 3/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/100 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 2/102 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/102 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 108/210 variables, 102/127 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/210 variables, 23/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/210 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 6/216 variables, 5/155 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/216 variables, 2/157 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/216 variables, 1/158 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/216 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (OVERLAPS) 0/216 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 216/216 variables, and 158 constraints, problems are : Problem set: 0 solved, 2 unsolved in 587 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 13/13 constraints, State Equation: 107/107 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 39/40 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 50/90 variables, 9/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 7/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/90 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 10/100 variables, 3/21 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/100 variables, 3/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/100 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 2/102 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/102 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 108/210 variables, 102/127 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/210 variables, 23/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:41] [INFO ] Deduced a trap composed of 16 places in 30 ms of which 2 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/210 variables, 1/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:41] [INFO ] Deduced a trap along path composed of 4 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:41] [INFO ] Deduced a trap along path composed of 5 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:41] [INFO ] Deduced a trap along path composed of 8 places in 31 ms of which 0 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/210 variables, 3/154 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/210 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 6/216 variables, 5/159 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/216 variables, 2/161 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/216 variables, 1/162 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/216 variables, 2/164 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/216 variables, 0/164 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 0/216 variables, 0/164 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 216/216 variables, and 164 constraints, problems are : Problem set: 0 solved, 2 unsolved in 406 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 13/13 constraints, State Equation: 107/107 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 995ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 629 ms.
Support contains 1 out of 107 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 107/107 places, 109/109 transitions.
Applied a total of 0 rules in 4 ms. Remains 107 /107 variables (removed 0) and now considering 109/109 (removed 0) transitions.
Running 108 sub problems to find dead transitions.
[2026-05-24 13:52:42] [INFO ] Invariant cache hit.
[2026-05-24 13:52:42] [INFO ] State equation strengthened by 24 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/105 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 108 unsolved
SDD proceeding with computation,2 properties remain. new max is 131072
SDD size :466791 after 1.31231e+08
At refinement iteration 2 (INCLUDED_ONLY) 0/105 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 3 (OVERLAPS) 2/107 variables, 2/15 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/107 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:43] [INFO ] Deduced a trap composed of 12 places in 36 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/107 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/107 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 7 (OVERLAPS) 109/216 variables, 107/125 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/216 variables, 24/149 constraints. Problems are: Problem set: 0 solved, 108 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/216 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 10 (OVERLAPS) 0/216 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 108 unsolved
No progress, stopping.
After SMT solving in domain Real declared 216/216 variables, and 149 constraints, problems are : Problem set: 0 solved, 108 unsolved in 3480 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 13/13 constraints, State Equation: 107/107 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 108/108 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/105 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/105 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 3 (OVERLAPS) 2/107 variables, 2/15 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/107 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/107 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/107 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 7 (OVERLAPS) 109/216 variables, 107/125 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/216 variables, 24/149 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/216 variables, 108/257 constraints. Problems are: Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:47] [INFO ] Deduced a trap composed of 6 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:48] [INFO ] Deduced a trap composed of 35 places in 55 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:48] [INFO ] Deduced a trap composed of 4 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:48] [INFO ] Deduced a trap composed of 25 places in 61 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:48] [INFO ] Deduced a trap composed of 31 places in 56 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:48] [INFO ] Deduced a trap composed of 31 places in 60 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:48] [INFO ] Deduced a trap composed of 31 places in 56 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:48] [INFO ] Deduced a trap composed of 36 places in 55 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:49] [INFO ] Deduced a trap composed of 40 places in 57 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:49] [INFO ] Deduced a trap composed of 40 places in 51 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:49] [INFO ] Deduced a trap composed of 40 places in 51 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:49] [INFO ] Deduced a trap composed of 40 places in 51 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:49] [INFO ] Deduced a trap composed of 28 places in 60 ms of which 9 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/216 variables, 13/270 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/216 variables, 0/270 constraints. Problems are: Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:52] [INFO ] Deduced a trap composed of 8 places in 60 ms of which 3 ms to minimize.
SDD proceeding with computation,2 properties remain. new max is 262144
SDD size :1.31231e+08 after 1.77828e+09
At refinement iteration 12 (OVERLAPS) 0/216 variables, 1/271 constraints. Problems are: Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:55] [INFO ] Deduced a trap composed of 14 places in 59 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:55] [INFO ] Deduced a trap composed of 15 places in 57 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:55] [INFO ] Deduced a trap composed of 16 places in 58 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:55] [INFO ] Deduced a trap composed of 26 places in 58 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:55] [INFO ] Deduced a trap composed of 10 places in 50 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:52:56] [INFO ] Deduced a trap composed of 24 places in 58 ms of which 8 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/216 variables, 6/277 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/216 variables, 0/277 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 15 (OVERLAPS) 0/216 variables, 0/277 constraints. Problems are: Problem set: 0 solved, 108 unsolved
No progress, stopping.
After SMT solving in domain Int declared 216/216 variables, and 277 constraints, problems are : Problem set: 0 solved, 108 unsolved in 19040 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 13/13 constraints, State Equation: 107/107 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 108/108 constraints, Known Traps: 21/21 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 22537ms problems are : Problem set: 0 solved, 108 unsolved
Search for dead transitions found 0 dead transitions in 22537ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 22541 ms. Remains : 107/107 places, 109/109 transitions.
RANDOM walk for 40000 steps (5761 resets) in 117 ms. (338 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (3608 resets) in 54 ms. (727 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (3652 resets) in 52 ms. (754 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 643755 steps, run timeout after 3001 ms. (steps per millisecond=214 ) properties seen :0 out of 2
Probabilistic random walk after 643755 steps, saw 321941 distinct states, run finished after 3001 ms. (steps per millisecond=214 ) properties seen :0
[2026-05-24 13:53:08] [INFO ] Invariant cache hit.
[2026-05-24 13:53:08] [INFO ] State equation strengthened by 24 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 39/40 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 50/90 variables, 9/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:53:08] [INFO ] Deduced a trap composed of 3 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:53:08] [INFO ] Deduced a trap composed of 10 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:53:08] [INFO ] Deduced a trap composed of 13 places in 28 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:53:08] [INFO ] Deduced a trap composed of 14 places in 27 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:53:08] [INFO ] Deduced a trap composed of 15 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:53:08] [INFO ] Deduced a trap composed of 16 places in 24 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:53:08] [INFO ] Deduced a trap composed of 16 places in 26 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 7/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/90 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 10/100 variables, 3/21 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:53:08] [INFO ] Deduced a trap composed of 4 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:53:08] [INFO ] Deduced a trap composed of 7 places in 42 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:53:08] [INFO ] Deduced a trap composed of 7 places in 40 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/100 variables, 3/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/100 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 2/102 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/102 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 108/210 variables, 102/127 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/210 variables, 23/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/210 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 6/216 variables, 5/155 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/216 variables, 2/157 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/216 variables, 1/158 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/216 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (OVERLAPS) 0/216 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 216/216 variables, and 158 constraints, problems are : Problem set: 0 solved, 2 unsolved in 552 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 13/13 constraints, State Equation: 107/107 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 39/40 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 50/90 variables, 9/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 7/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/90 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 10/100 variables, 3/21 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/100 variables, 3/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/100 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 2/102 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/102 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 108/210 variables, 102/127 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/210 variables, 23/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:53:08] [INFO ] Deduced a trap composed of 16 places in 32 ms of which 2 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/210 variables, 1/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:53:08] [INFO ] Deduced a trap along path composed of 4 places in 35 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:53:09] [INFO ] Deduced a trap along path composed of 5 places in 28 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:53:09] [INFO ] Deduced a trap along path composed of 8 places in 30 ms of which 0 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/210 variables, 3/154 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/210 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 6/216 variables, 5/159 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/216 variables, 2/161 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/216 variables, 1/162 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/216 variables, 2/164 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/216 variables, 0/164 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 0/216 variables, 0/164 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 216/216 variables, and 164 constraints, problems are : Problem set: 0 solved, 2 unsolved in 420 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 13/13 constraints, State Equation: 107/107 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 976ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 539 ms.
Support contains 1 out of 107 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 107/107 places, 109/109 transitions.
Applied a total of 0 rules in 1 ms. Remains 107 /107 variables (removed 0) and now considering 109/109 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 107/107 places, 109/109 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 107/107 places, 109/109 transitions.
Applied a total of 0 rules in 1 ms. Remains 107 /107 variables (removed 0) and now considering 109/109 (removed 0) transitions.
[2026-05-24 13:53:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:53:09] [INFO ] Implicit Places using invariants in 88 ms returned []
[2026-05-24 13:53:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:53:09] [INFO ] State equation strengthened by 24 read => feed constraints.
[2026-05-24 13:53:10] [INFO ] Implicit Places using invariants and state equation in 315 ms returned []
Implicit Place search using SMT with State Equation took 403 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 13:53:10] [INFO ] Redundant transitions in 1 ms returned []
Running 108 sub problems to find dead transitions.
[2026-05-24 13:53:10] [INFO ] Invariant cache hit.
[2026-05-24 13:53:10] [INFO ] State equation strengthened by 24 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/105 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/105 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 3 (OVERLAPS) 2/107 variables, 2/15 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/107 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:53:11] [INFO ] Deduced a trap composed of 12 places in 32 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/107 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/107 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 7 (OVERLAPS) 109/216 variables, 107/125 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/216 variables, 24/149 constraints. Problems are: Problem set: 0 solved, 108 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/216 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 10 (OVERLAPS) 0/216 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 108 unsolved
No progress, stopping.
After SMT solving in domain Real declared 216/216 variables, and 149 constraints, problems are : Problem set: 0 solved, 108 unsolved in 3521 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 13/13 constraints, State Equation: 107/107 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 108/108 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/105 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/105 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 3 (OVERLAPS) 2/107 variables, 2/15 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/107 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/107 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/107 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 7 (OVERLAPS) 109/216 variables, 107/125 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/216 variables, 24/149 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/216 variables, 108/257 constraints. Problems are: Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:53:15] [INFO ] Deduced a trap composed of 6 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:53:15] [INFO ] Deduced a trap composed of 35 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:53:15] [INFO ] Deduced a trap composed of 4 places in 50 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:53:16] [INFO ] Deduced a trap composed of 25 places in 54 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:53:16] [INFO ] Deduced a trap composed of 31 places in 59 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:53:16] [INFO ] Deduced a trap composed of 31 places in 53 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:53:16] [INFO ] Deduced a trap composed of 31 places in 50 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:53:16] [INFO ] Deduced a trap composed of 36 places in 55 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:53:16] [INFO ] Deduced a trap composed of 40 places in 53 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:53:16] [INFO ] Deduced a trap composed of 40 places in 51 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:53:17] [INFO ] Deduced a trap composed of 40 places in 54 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:53:17] [INFO ] Deduced a trap composed of 40 places in 51 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:53:17] [INFO ] Deduced a trap composed of 28 places in 51 ms of which 9 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/216 variables, 13/270 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/216 variables, 0/270 constraints. Problems are: Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:53:20] [INFO ] Deduced a trap composed of 8 places in 46 ms of which 2 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/216 variables, 1/271 constraints. Problems are: Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:53:23] [INFO ] Deduced a trap composed of 14 places in 54 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:53:23] [INFO ] Deduced a trap composed of 15 places in 52 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:53:23] [INFO ] Deduced a trap composed of 16 places in 52 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:53:23] [INFO ] Deduced a trap composed of 26 places in 55 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:53:23] [INFO ] Deduced a trap composed of 10 places in 55 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:53:23] [INFO ] Deduced a trap composed of 24 places in 58 ms of which 8 ms to minimize.
SDD proceeding with computation,2 properties remain. new max is 524288
SDD size :1.77828e+09 after 7.60404e+09
At refinement iteration 13 (INCLUDED_ONLY) 0/216 variables, 6/277 constraints. Problems are: Problem set: 0 solved, 108 unsolved
Detected timeout of ITS tools.
[2026-05-24 13:53:27] [INFO ] Flatten gal took : 7 ms
[2026-05-24 13:53:27] [INFO ] Applying decomposition
[2026-05-24 13:53:27] [INFO ] Flatten gal took : 3 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph10929554189057724758.txt' '-o' '/tmp/graph10929554189057724758.bin' '-w' '/tmp/graph10929554189057724758.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph10929554189057724758.bin' '-l' '-1' '-v' '-w' '/tmp/graph10929554189057724758.weights' '-q' '0' '-e' '0.001'
[2026-05-24 13:53:27] [INFO ] Decomposing Gal with order
[2026-05-24 13:53:27] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 13:53:27] [INFO ] Removed a total of 61 redundant transitions.
[2026-05-24 13:53:27] [INFO ] Flatten gal took : 6 ms
[2026-05-24 13:53:27] [INFO ] Fuse similar labels procedure discarded/fused a total of 52 labels/synchronizations in 1 ms.
[2026-05-24 13:53:27] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6480336093759164078.gal : 1 ms
[2026-05-24 13:53:27] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13950518274475332572.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality6480336093759164078.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13950518274475332572.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality13950518274475332572.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 14
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :14 after 40
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :40 after 1048
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :1048 after 2524
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :2524 after 50485
At refinement iteration 14 (INCLUDED_ONLY) 0/216 variables, 0/277 constraints. Problems are: Problem set: 0 solved, 108 unsolved
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :50485 after 177579
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :177579 after 411453
At refinement iteration 15 (OVERLAPS) 0/216 variables, 0/277 constraints. Problems are: Problem set: 0 solved, 108 unsolved
No progress, stopping.
After SMT solving in domain Int declared 216/216 variables, and 277 constraints, problems are : Problem set: 0 solved, 108 unsolved in 19505 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 13/13 constraints, State Equation: 107/107 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 108/108 constraints, Known Traps: 21/21 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 23043ms problems are : Problem set: 0 solved, 108 unsolved
Search for dead transitions found 0 dead transitions in 23044ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23452 ms. Remains : 107/107 places, 109/109 transitions.
Attempting over-approximation, by ignoring read arcs.
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 10 Pre rules applied. Total rules applied 0 place count 107 transition count 99
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 0 with 20 rules applied. Total rules applied 20 place count 97 transition count 99
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 25 place count 92 transition count 94
Iterating global reduction 0 with 5 rules applied. Total rules applied 30 place count 92 transition count 94
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 31 place count 92 transition count 93
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 32 place count 91 transition count 93
Applied a total of 32 rules in 12 ms. Remains 91 /107 variables (removed 16) and now considering 93/109 (removed 16) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 93 rows 91 cols
[2026-05-24 13:53:33] [INFO ] Computed 17 invariants in 3 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-24 13:53:33] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-24 13:53:33] [INFO ] [Real]Absence check using 8 positive and 9 generalized place invariants in 2 ms returned sat
[2026-05-24 13:53:33] [INFO ] After 35ms SMT Verify possible using state equation in real domain returned unsat :0 sat :2
[2026-05-24 13:53:33] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-24 13:53:33] [INFO ] After 8ms SMT Verify possible using 3 Read/Feed constraints in real domain returned unsat :0 sat :0 real:2
[2026-05-24 13:53:33] [INFO ] After 84ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-24 13:53:33] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-24 13:53:33] [INFO ] [Nat]Absence check using 8 positive and 9 generalized place invariants in 1 ms returned sat
[2026-05-24 13:53:33] [INFO ] After 32ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2026-05-24 13:53:33] [INFO ] After 7ms SMT Verify possible using 3 Read/Feed constraints in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:53:33] [INFO ] Deduced a trap composed of 13 places in 37 ms of which 3 ms to minimize.
[2026-05-24 13:53:33] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 48 ms
TRAPS : Iteration 1
[2026-05-24 13:53:33] [INFO ] After 77ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2026-05-24 13:53:33] [INFO ] After 148ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2026-05-24 13:53:33] [INFO ] Flatten gal took : 5 ms
[2026-05-24 13:53:33] [INFO ] Flatten gal took : 3 ms
[2026-05-24 13:53:33] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2219628612443796998.gal : 0 ms
[2026-05-24 13:53:33] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3388372542187519463.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality2219628612443796998.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3388372542187519463.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality3388372542187519463.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :3 after 17
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :17 after 36
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :36 after 52
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :52 after 86
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :86 after 165
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :165 after 307
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :307 after 653
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :653 after 1661
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :1661 after 3685
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :3685 after 7742
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :7742 after 15864
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :15864 after 32077
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :32077 after 64493
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :800089 after 821870
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :64493 after 129254
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :8.34677e+06 after 9.20311e+06
Detected timeout of ITS tools.
[2026-05-24 13:53:48] [INFO ] Flatten gal took : 6 ms
[2026-05-24 13:53:48] [INFO ] Applying decomposition
[2026-05-24 13:53:48] [INFO ] Flatten gal took : 3 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph8805548613190021159.txt' '-o' '/tmp/graph8805548613190021159.bin' '-w' '/tmp/graph8805548613190021159.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph8805548613190021159.bin' '-l' '-1' '-v' '-w' '/tmp/graph8805548613190021159.weights' '-q' '0' '-e' '0.001'
[2026-05-24 13:53:48] [INFO ] Decomposing Gal with order
[2026-05-24 13:53:48] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 13:53:48] [INFO ] Removed a total of 62 redundant transitions.
[2026-05-24 13:53:48] [INFO ] Flatten gal took : 7 ms
[2026-05-24 13:53:48] [INFO ] Fuse similar labels procedure discarded/fused a total of 26 labels/synchronizations in 1 ms.
[2026-05-24 13:53:48] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1956072263268283654.gal : 1 ms
[2026-05-24 13:53:48] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11777639986754170108.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality1956072263268283654.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11777639986754170108.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality11777639986754170108.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :501 after 502
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :919 after 942
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30380 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[1]
Ending property specific reduction for DoubleExponent-PT-010-UpperBounds-09 in 119472 ms.
Starting property specific reduction for DoubleExponent-PT-010-UpperBounds-10
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[1]
// Phase 1: matrix 227 rows 223 cols
[2026-05-24 13:54:03] [INFO ] Computed 31 invariants in 14 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 10000 steps (1420 resets) in 15 ms. (625 steps per ms)
BEST_FIRST walk for 10001 steps (902 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-24 13:54:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:54:03] [INFO ] [Real]Absence check using 8 positive place invariants in 6 ms returned sat
[2026-05-24 13:54:03] [INFO ] [Real]Absence check using 8 positive and 23 generalized place invariants in 4 ms returned sat
[2026-05-24 13:54:03] [INFO ] [Real]Absence check using state equation in 79 ms returned sat
[2026-05-24 13:54:03] [INFO ] State equation strengthened by 32 read => feed constraints.
[2026-05-24 13:54:03] [INFO ] [Real]Added 32 Read/Feed constraints in 95 ms returned sat
[2026-05-24 13:54:03] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:54:03] [INFO ] [Nat]Absence check using 8 positive place invariants in 7 ms returned sat
[2026-05-24 13:54:03] [INFO ] [Nat]Absence check using 8 positive and 23 generalized place invariants in 4 ms returned sat
[2026-05-24 13:54:03] [INFO ] [Nat]Absence check using state equation in 88 ms returned sat
[2026-05-24 13:54:04] [INFO ] [Nat]Added 32 Read/Feed constraints in 103 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:04] [INFO ] Deduced a trap composed of 22 places in 96 ms of which 15 ms to minimize.
[2026-05-24 13:54:04] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 128 ms
[2026-05-24 13:54:04] [INFO ] Computed and/alt/rep : 193/1079/193 causal constraints (skipped 33 transitions) in 10 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:05] [INFO ] Deduced a trap composed of 10 places in 102 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:05] [INFO ] Deduced a trap composed of 13 places in 95 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:05] [INFO ] Deduced a trap composed of 14 places in 92 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:05] [INFO ] Deduced a trap composed of 14 places in 93 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:05] [INFO ] Deduced a trap composed of 14 places in 92 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:05] [INFO ] Deduced a trap composed of 15 places in 105 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:06] [INFO ] Deduced a trap composed of 16 places in 105 ms of which 11 ms to minimize.
[2026-05-24 13:54:06] [INFO ] Trap strengthening (SAT) tested/added 8/7 trap constraints in 1154 ms
[2026-05-24 13:54:06] [INFO ] Added : 94 causal constraints over 20 iterations in 2028 ms. Result :sat
Minimization took 432 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 223 places. Attempting structural reductions.
Drop transitions (Removing consumers from one bounded place p248) removed 2 transitions
Starting structural reductions in REACHABILITY mode, iteration 0 : 223/223 places, 225/225 transitions.
Reduce places removed 2 places and 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 221 transition count 221
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 6 place count 219 transition count 221
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 6 place count 219 transition count 219
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 10 place count 217 transition count 219
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 7
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 2 with 14 rules applied. Total rules applied 24 place count 210 transition count 212
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 30 place count 207 transition count 213
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 2 with 1 rules applied. Total rules applied 31 place count 207 transition count 212
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 32 place count 206 transition count 212
Partial Free-agglomeration rule applied 4 times.
Drop transitions (Partial Free agglomeration) removed 4 transitions
Iterating global reduction 3 with 4 rules applied. Total rules applied 36 place count 206 transition count 212
Applied a total of 36 rules in 20 ms. Remains 206 /223 variables (removed 17) and now considering 212/225 (removed 13) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21 ms. Remains : 206/223 places, 212/225 transitions.
// Phase 1: matrix 212 rows 206 cols
[2026-05-24 13:54:07] [INFO ] Computed 31 invariants in 18 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (144196 resets) in 720 ms. (1386 steps per ms)
BEST_FIRST walk for 1000000 steps (90977 resets) in 513 ms. (1945 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-24 13:54:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:54:08] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2026-05-24 13:54:08] [INFO ] [Real]Absence check using 13 positive and 18 generalized place invariants in 3 ms returned sat
[2026-05-24 13:54:08] [INFO ] [Real]Absence check using state equation in 76 ms returned sat
[2026-05-24 13:54:08] [INFO ] State equation strengthened by 42 read => feed constraints.
[2026-05-24 13:54:08] [INFO ] [Real]Added 42 Read/Feed constraints in 67 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:08] [INFO ] Deduced a trap composed of 19 places in 93 ms of which 12 ms to minimize.
[2026-05-24 13:54:08] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:54:08] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2026-05-24 13:54:08] [INFO ] [Nat]Absence check using 13 positive and 18 generalized place invariants in 3 ms returned sat
[2026-05-24 13:54:08] [INFO ] [Nat]Absence check using state equation in 78 ms returned sat
[2026-05-24 13:54:08] [INFO ] [Nat]Added 42 Read/Feed constraints in 72 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:08] [INFO ] Deduced a trap composed of 19 places in 95 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:09] [INFO ] Deduced a trap composed of 12 places in 56 ms of which 4 ms to minimize.
[2026-05-24 13:54:09] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 201 ms
[2026-05-24 13:54:09] [INFO ] Computed and/alt/rep : 164/1063/164 causal constraints (skipped 47 transitions) in 12 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:09] [INFO ] Deduced a trap composed of 8 places in 77 ms of which 6 ms to minimize.
[2026-05-24 13:54:09] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 119 ms
[2026-05-24 13:54:09] [INFO ] Added : 70 causal constraints over 15 iterations in 689 ms. Result :sat
Minimization took 306 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 206 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 206/206 places, 212/212 transitions.
Applied a total of 0 rules in 3 ms. Remains 206 /206 variables (removed 0) and now considering 212/212 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 206/206 places, 212/212 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 206/206 places, 212/212 transitions.
Applied a total of 0 rules in 4 ms. Remains 206 /206 variables (removed 0) and now considering 212/212 (removed 0) transitions.
[2026-05-24 13:54:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:54:10] [INFO ] Implicit Places using invariants in 292 ms returned []
[2026-05-24 13:54:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:54:10] [INFO ] State equation strengthened by 42 read => feed constraints.
[2026-05-24 13:54:13] [INFO ] Implicit Places using invariants and state equation in 2273 ms returned []
Implicit Place search using SMT with State Equation took 2567 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 13:54:13] [INFO ] Redundant transitions in 2 ms returned []
Running 211 sub problems to find dead transitions.
[2026-05-24 13:54:13] [INFO ] Invariant cache hit.
[2026-05-24 13:54:13] [INFO ] State equation strengthened by 42 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/204 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/204 variables, 18/20 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/204 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 3 (OVERLAPS) 2/206 variables, 11/31 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 5 (OVERLAPS) 212/418 variables, 206/237 constraints. Problems are: Problem set: 0 solved, 211 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/418 variables, 42/279 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/418 variables, 0/279 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 8 (OVERLAPS) 0/418 variables, 0/279 constraints. Problems are: Problem set: 0 solved, 211 unsolved
No progress, stopping.
After SMT solving in domain Real declared 418/418 variables, and 279 constraints, problems are : Problem set: 0 solved, 211 unsolved in 12858 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 206/206 constraints, ReadFeed: 42/42 constraints, PredecessorRefiner: 211/211 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 211 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/204 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/204 variables, 18/20 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/204 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 3 (OVERLAPS) 2/206 variables, 11/31 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 5 (OVERLAPS) 212/418 variables, 206/237 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/418 variables, 42/279 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/418 variables, 211/490 constraints. Problems are: Problem set: 0 solved, 211 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:36] [INFO ] Deduced a trap composed of 65 places in 81 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:36] [INFO ] Deduced a trap composed of 65 places in 76 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:37] [INFO ] Deduced a trap composed of 3 places in 86 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:37] [INFO ] Deduced a trap composed of 4 places in 83 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:38] [INFO ] Deduced a trap composed of 16 places in 89 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:38] [INFO ] Deduced a trap composed of 22 places in 91 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:38] [INFO ] Deduced a trap composed of 23 places in 96 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:38] [INFO ] Deduced a trap composed of 21 places in 92 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:38] [INFO ] Deduced a trap composed of 25 places in 90 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:39] [INFO ] Deduced a trap composed of 46 places in 127 ms of which 46 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:39] [INFO ] Deduced a trap composed of 47 places in 111 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:39] [INFO ] Deduced a trap composed of 45 places in 112 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:39] [INFO ] Deduced a trap composed of 47 places in 111 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:40] [INFO ] Deduced a trap composed of 48 places in 97 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:40] [INFO ] Deduced a trap composed of 49 places in 109 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:40] [INFO ] Deduced a trap composed of 24 places in 93 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:40] [INFO ] Deduced a trap composed of 27 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:40] [INFO ] Deduced a trap composed of 32 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:40] [INFO ] Deduced a trap composed of 29 places in 107 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:43] [INFO ] Deduced a trap composed of 57 places in 101 ms of which 24 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/418 variables, 20/510 constraints. Problems are: Problem set: 0 solved, 211 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:47] [INFO ] Deduced a trap composed of 6 places in 80 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:47] [INFO ] Deduced a trap composed of 10 places in 82 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:47] [INFO ] Deduced a trap composed of 37 places in 79 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:47] [INFO ] Deduced a trap composed of 13 places in 61 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:47] [INFO ] Deduced a trap composed of 18 places in 83 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:48] [INFO ] Deduced a trap composed of 22 places in 83 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:51] [INFO ] Deduced a trap composed of 60 places in 85 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:51] [INFO ] Deduced a trap composed of 62 places in 80 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:51] [INFO ] Deduced a trap composed of 62 places in 95 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:51] [INFO ] Deduced a trap composed of 57 places in 92 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:51] [INFO ] Deduced a trap composed of 59 places in 92 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:52] [INFO ] Deduced a trap composed of 59 places in 86 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:52] [INFO ] Deduced a trap composed of 63 places in 87 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:52] [INFO ] Deduced a trap composed of 63 places in 91 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:52] [INFO ] Deduced a trap composed of 53 places in 88 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:52] [INFO ] Deduced a trap composed of 53 places in 90 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:52] [INFO ] Deduced a trap composed of 49 places in 83 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:52] [INFO ] Deduced a trap composed of 49 places in 83 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:53] [INFO ] Deduced a trap composed of 45 places in 89 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:53] [INFO ] Deduced a trap composed of 45 places in 87 ms of which 16 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/418 variables, 20/530 constraints. Problems are: Problem set: 0 solved, 211 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 418/418 variables, and 530 constraints, problems are : Problem set: 0 solved, 211 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 206/206 constraints, ReadFeed: 42/42 constraints, PredecessorRefiner: 211/211 constraints, Known Traps: 40/40 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 42915ms problems are : Problem set: 0 solved, 211 unsolved
Search for dead transitions found 0 dead transitions in 42916ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45495 ms. Remains : 206/206 places, 212/212 transitions.
[2026-05-24 13:54:56] [INFO ] Flatten gal took : 17 ms
[2026-05-24 13:54:56] [INFO ] Flatten gal took : 8 ms
[2026-05-24 13:54:56] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12045744722679148390.gal : 2 ms
[2026-05-24 13:54:56] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5607638260255135842.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality12045744722679148390.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5607638260255135842.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
RANDOM walk for 40000 steps (5772 resets) in 85 ms. (465 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality5607638260255135842.prop.
BEST_FIRST walk for 40002 steps (3641 resets) in 75 ms. (526 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :2 after 6
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :6 after 11
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :11 after 14
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :14 after 32
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :32 after 40
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :40 after 117
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :117 after 230
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :230 after 487
BEST_FIRST walk for 40003 steps (3654 resets) in 112 ms. (354 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :487 after 1080
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :1080 after 23429
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :23429 after 42516
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :42516 after 111882
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :111882 after 257814
Interrupted probabilistic random walk after 468210 steps, run timeout after 3001 ms. (steps per millisecond=156 ) properties seen :0 out of 2
Probabilistic random walk after 468210 steps, saw 234153 distinct states, run finished after 3001 ms. (steps per millisecond=156 ) properties seen :0
[2026-05-24 13:54:59] [INFO ] Invariant cache hit.
[2026-05-24 13:54:59] [INFO ] State equation strengthened by 42 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 126/127 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/127 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 20/147 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,2 properties remain. new max is 65536
[2026-05-24 13:54:59] [INFO ] Deduced a trap composed of 69 places in 90 ms of which 14 ms to minimize.
SDD size :257814 after 541475
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:59] [INFO ] Deduced a trap composed of 69 places in 84 ms of which 14 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/147 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 54/201 variables, 18/31 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/201 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 212/413 variables, 201/232 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/413 variables, 42/274 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:59] [INFO ] Deduced a trap composed of 19 places in 102 ms of which 12 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/413 variables, 1/275 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/413 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 5/418 variables, 5/280 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/418 variables, 2/282 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/418 variables, 0/282 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 0/418 variables, 0/282 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 418/418 variables, and 282 constraints, problems are : Problem set: 0 solved, 2 unsolved in 634 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 206/206 constraints, ReadFeed: 42/42 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 126/127 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/127 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 20/147 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/147 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 54/201 variables, 18/31 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/201 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:54:59] [INFO ] Deduced a trap composed of 3 places in 99 ms of which 5 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/201 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/201 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 212/413 variables, 201/234 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/413 variables, 42/276 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/413 variables, 2/278 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:55:00] [INFO ] Deduced a trap composed of 16 places in 66 ms of which 5 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/413 variables, 1/279 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:55:00] [INFO ] Deduced a trap along path composed of 5 places in 30 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:55:00] [INFO ] Deduced a trap along path composed of 8 places in 30 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:55:00] [INFO ] Deduced a trap along path composed of 8 places in 36 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/413 variables, 3/282 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/413 variables, 0/282 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 5/418 variables, 5/287 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/418 variables, 2/289 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/418 variables, 0/289 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 0/418 variables, 0/289 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 418/418 variables, and 289 constraints, problems are : Problem set: 0 solved, 2 unsolved in 790 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 206/206 constraints, ReadFeed: 42/42 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 1428ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 469 ms.
Support contains 1 out of 206 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 206/206 places, 212/212 transitions.
Applied a total of 0 rules in 3 ms. Remains 206 /206 variables (removed 0) and now considering 212/212 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 206/206 places, 212/212 transitions.
RANDOM walk for 40000 steps (5752 resets) in 89 ms. (444 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (3705 resets) in 51 ms. (769 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (3653 resets) in 74 ms. (533 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 131072
SDD size :541475 after 3.67341e+07
Interrupted probabilistic random walk after 460502 steps, run timeout after 3001 ms. (steps per millisecond=153 ) properties seen :0 out of 2
Probabilistic random walk after 460502 steps, saw 230298 distinct states, run finished after 3001 ms. (steps per millisecond=153 ) properties seen :0
[2026-05-24 13:55:04] [INFO ] Invariant cache hit.
[2026-05-24 13:55:04] [INFO ] State equation strengthened by 42 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 126/127 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/127 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 20/147 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:55:04] [INFO ] Deduced a trap composed of 69 places in 92 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:55:04] [INFO ] Deduced a trap composed of 69 places in 82 ms of which 14 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/147 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 54/201 variables, 18/31 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/201 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 212/413 variables, 201/232 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/413 variables, 42/274 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:55:04] [INFO ] Deduced a trap composed of 19 places in 105 ms of which 13 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/413 variables, 1/275 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/413 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 5/418 variables, 5/280 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/418 variables, 2/282 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/418 variables, 0/282 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 0/418 variables, 0/282 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 418/418 variables, and 282 constraints, problems are : Problem set: 0 solved, 2 unsolved in 627 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 206/206 constraints, ReadFeed: 42/42 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 126/127 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/127 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 20/147 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/147 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 54/201 variables, 18/31 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/201 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:55:04] [INFO ] Deduced a trap composed of 3 places in 89 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/201 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/201 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 212/413 variables, 201/234 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/413 variables, 42/276 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/413 variables, 2/278 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:55:05] [INFO ] Deduced a trap composed of 16 places in 67 ms of which 5 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/413 variables, 1/279 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:55:05] [INFO ] Deduced a trap along path composed of 5 places in 31 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:55:05] [INFO ] Deduced a trap along path composed of 8 places in 35 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:55:05] [INFO ] Deduced a trap along path composed of 8 places in 31 ms of which 0 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/413 variables, 3/282 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/413 variables, 0/282 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 5/418 variables, 5/287 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/418 variables, 2/289 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/418 variables, 0/289 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 0/418 variables, 0/289 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 418/418 variables, and 289 constraints, problems are : Problem set: 0 solved, 2 unsolved in 809 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 206/206 constraints, ReadFeed: 42/42 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 1442ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 423 ms.
Support contains 1 out of 206 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 206/206 places, 212/212 transitions.
Applied a total of 0 rules in 3 ms. Remains 206 /206 variables (removed 0) and now considering 212/212 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 206/206 places, 212/212 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 206/206 places, 212/212 transitions.
Applied a total of 0 rules in 3 ms. Remains 206 /206 variables (removed 0) and now considering 212/212 (removed 0) transitions.
[2026-05-24 13:55:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:55:06] [INFO ] Implicit Places using invariants in 280 ms returned []
[2026-05-24 13:55:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:55:06] [INFO ] State equation strengthened by 42 read => feed constraints.
[2026-05-24 13:55:08] [INFO ] Implicit Places using invariants and state equation in 2177 ms returned []
Implicit Place search using SMT with State Equation took 2459 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 13:55:08] [INFO ] Redundant transitions in 1 ms returned []
Running 211 sub problems to find dead transitions.
[2026-05-24 13:55:08] [INFO ] Invariant cache hit.
[2026-05-24 13:55:08] [INFO ] State equation strengthened by 42 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/204 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/204 variables, 18/20 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/204 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 3 (OVERLAPS) 2/206 variables, 11/31 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 5 (OVERLAPS) 212/418 variables, 206/237 constraints. Problems are: Problem set: 0 solved, 211 unsolved
SDD proceeding with computation,2 properties remain. new max is 262144
SDD size :3.67341e+07 after 2.55855e+08
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/418 variables, 42/279 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/418 variables, 0/279 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 8 (OVERLAPS) 0/418 variables, 0/279 constraints. Problems are: Problem set: 0 solved, 211 unsolved
No progress, stopping.
After SMT solving in domain Real declared 418/418 variables, and 279 constraints, problems are : Problem set: 0 solved, 211 unsolved in 12229 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 206/206 constraints, ReadFeed: 42/42 constraints, PredecessorRefiner: 211/211 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 211 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/204 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/204 variables, 18/20 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/204 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 3 (OVERLAPS) 2/206 variables, 11/31 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 5 (OVERLAPS) 212/418 variables, 206/237 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/418 variables, 42/279 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/418 variables, 211/490 constraints. Problems are: Problem set: 0 solved, 211 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:55:30] [INFO ] Deduced a trap composed of 65 places in 91 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:55:30] [INFO ] Deduced a trap composed of 65 places in 96 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:55:31] [INFO ] Deduced a trap composed of 3 places in 73 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:55:32] [INFO ] Deduced a trap composed of 4 places in 75 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:55:32] [INFO ] Deduced a trap composed of 16 places in 79 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:55:32] [INFO ] Deduced a trap composed of 22 places in 108 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:55:32] [INFO ] Deduced a trap composed of 23 places in 81 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:55:33] [INFO ] Deduced a trap composed of 21 places in 104 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:55:33] [INFO ] Deduced a trap composed of 25 places in 99 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:55:33] [INFO ] Deduced a trap composed of 46 places in 113 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:55:33] [INFO ] Deduced a trap composed of 47 places in 97 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:55:34] [INFO ] Deduced a trap composed of 45 places in 103 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:55:34] [INFO ] Deduced a trap composed of 47 places in 109 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:55:34] [INFO ] Deduced a trap composed of 48 places in 101 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:55:34] [INFO ] Deduced a trap composed of 49 places in 107 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:55:34] [INFO ] Deduced a trap composed of 24 places in 89 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:55:34] [INFO ] Deduced a trap composed of 27 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:55:34] [INFO ] Deduced a trap composed of 32 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:55:35] [INFO ] Deduced a trap composed of 29 places in 86 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:55:37] [INFO ] Deduced a trap composed of 57 places in 94 ms of which 22 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/418 variables, 20/510 constraints. Problems are: Problem set: 0 solved, 211 unsolved
SDD proceeding with computation,2 properties remain. new max is 524288
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:55:41] [INFO ] Deduced a trap composed of 6 places in 79 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:55:41] [INFO ] Deduced a trap composed of 10 places in 76 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD size :2.55855e+08 after 7.29731e+08
[2026-05-24 13:55:41] [INFO ] Deduced a trap composed of 37 places in 88 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:55:41] [INFO ] Deduced a trap composed of 13 places in 68 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:55:42] [INFO ] Deduced a trap composed of 18 places in 77 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:55:42] [INFO ] Deduced a trap composed of 22 places in 82 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:55:45] [INFO ] Deduced a trap composed of 60 places in 79 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:55:45] [INFO ] Deduced a trap composed of 62 places in 90 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:55:45] [INFO ] Deduced a trap composed of 62 places in 92 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:55:45] [INFO ] Deduced a trap composed of 57 places in 89 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:55:45] [INFO ] Deduced a trap composed of 59 places in 87 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:55:45] [INFO ] Deduced a trap composed of 59 places in 88 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
Detected timeout of ITS tools.
[2026-05-24 13:55:46] [INFO ] Flatten gal took : 11 ms
[2026-05-24 13:55:46] [INFO ] Applying decomposition
[2026-05-24 13:55:46] [INFO ] Flatten gal took : 8 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph3254326078872075540.txt' '-o' '/tmp/graph3254326078872075540.bin' '-w' '/tmp/graph3254326078872075540.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph3254326078872075540.bin' '-l' '-1' '-v' '-w' '/tmp/graph3254326078872075540.weights' '-q' '0' '-e' '0.001'
[2026-05-24 13:55:46] [INFO ] Decomposing Gal with order
[2026-05-24 13:55:46] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 13:55:46] [INFO ] Removed a total of 113 redundant transitions.
[2026-05-24 13:55:46] [INFO ] Deduced a trap composed of 63 places in 98 ms of which 29 ms to minimize.
[2026-05-24 13:55:46] [INFO ] Flatten gal took : 14 ms
[2026-05-24 13:55:46] [INFO ] Fuse similar labels procedure discarded/fused a total of 98 labels/synchronizations in 4 ms.
[2026-05-24 13:55:46] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1054817925947446260.gal : 2 ms
[2026-05-24 13:55:46] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8339444469360105103.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality1054817925947446260.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8339444469360105103.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
Loading property file /tmp/ReachabilityCardinality8339444469360105103.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 17
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :17 after 27
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :27 after 40
[2026-05-24 13:55:46] [INFO ] Deduced a trap composed of 63 places in 90 ms of which 21 ms to minimize.
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :262 after 270
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :1142 after 1182
[2026-05-24 13:55:46] [INFO ] Deduced a trap composed of 53 places in 90 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:55:46] [INFO ] Deduced a trap composed of 53 places in 83 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:55:46] [INFO ] Deduced a trap composed of 49 places in 84 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:55:46] [INFO ] Deduced a trap composed of 49 places in 82 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:55:47] [INFO ] Deduced a trap composed of 45 places in 82 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:55:47] [INFO ] Deduced a trap composed of 45 places in 79 ms of which 16 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/418 variables, 20/530 constraints. Problems are: Problem set: 0 solved, 211 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 418/418 variables, and 530 constraints, problems are : Problem set: 0 solved, 211 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 206/206 constraints, ReadFeed: 42/42 constraints, PredecessorRefiner: 211/211 constraints, Known Traps: 40/40 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 42299ms problems are : Problem set: 0 solved, 211 unsolved
Search for dead transitions found 0 dead transitions in 42301ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44769 ms. Remains : 206/206 places, 212/212 transitions.
Attempting over-approximation, by ignoring read arcs.
Performed 17 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 17 Pre rules applied. Total rules applied 0 place count 206 transition count 195
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 0 with 34 rules applied. Total rules applied 34 place count 189 transition count 195
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 43 place count 180 transition count 186
Iterating global reduction 0 with 9 rules applied. Total rules applied 52 place count 180 transition count 186
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 54 place count 179 transition count 185
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 0 with 2 rules applied. Total rules applied 56 place count 179 transition count 183
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 58 place count 177 transition count 183
Applied a total of 58 rules in 11 ms. Remains 177 /206 variables (removed 29) and now considering 183/212 (removed 29) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 183 rows 177 cols
[2026-05-24 13:55:50] [INFO ] Computed 31 invariants in 12 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-24 13:55:50] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2026-05-24 13:55:50] [INFO ] [Real]Absence check using 13 positive and 18 generalized place invariants in 2 ms returned sat
[2026-05-24 13:55:50] [INFO ] After 93ms SMT Verify possible using state equation in real domain returned unsat :0 sat :2
[2026-05-24 13:55:50] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-24 13:55:50] [INFO ] After 12ms SMT Verify possible using 3 Read/Feed constraints in real domain returned unsat :0 sat :2
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:55:51] [INFO ] Deduced a trap composed of 5 places in 78 ms of which 5 ms to minimize.
TRAPS : Iteration 1
[2026-05-24 13:55:51] [INFO ] After 121ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:2
[2026-05-24 13:55:51] [INFO ] After 271ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-24 13:55:51] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2026-05-24 13:55:51] [INFO ] [Nat]Absence check using 13 positive and 18 generalized place invariants in 3 ms returned sat
[2026-05-24 13:55:51] [INFO ] After 90ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2026-05-24 13:55:51] [INFO ] After 12ms SMT Verify possible using 3 Read/Feed constraints in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:55:51] [INFO ] Deduced a trap composed of 13 places in 56 ms of which 5 ms to minimize.
[2026-05-24 13:55:51] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 68 ms
TRAPS : Iteration 1
[2026-05-24 13:55:51] [INFO ] After 120ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2026-05-24 13:55:51] [INFO ] After 271ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2026-05-24 13:55:51] [INFO ] Flatten gal took : 8 ms
[2026-05-24 13:55:51] [INFO ] Flatten gal took : 6 ms
[2026-05-24 13:55:51] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11866242029308760619.gal : 1 ms
[2026-05-24 13:55:51] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9097590603344532179.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality11866242029308760619.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9097590603344532179.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality9097590603344532179.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :3 after 13
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :13 after 36
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :36 after 52
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :52 after 63
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :63 after 172
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :172 after 370
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :370 after 1345
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1345 after 3495
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :3495 after 10385
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :10385 after 22659
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :22659 after 49915
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :49915 after 106015
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :106015 after 223062
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :223062 after 459526
SDD proceeding with computation,2 properties remain. new max is 131072
SDD size :459526 after 937885
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :132821 after 132867
SDD proceeding with computation,2 properties remain. new max is 262144
SDD size :937885 after 1.90324e+06
Detected timeout of ITS tools.
[2026-05-24 13:56:06] [INFO ] Flatten gal took : 11 ms
[2026-05-24 13:56:06] [INFO ] Applying decomposition
[2026-05-24 13:56:06] [INFO ] Flatten gal took : 7 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph4265255259990840570.txt' '-o' '/tmp/graph4265255259990840570.bin' '-w' '/tmp/graph4265255259990840570.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph4265255259990840570.bin' '-l' '-1' '-v' '-w' '/tmp/graph4265255259990840570.weights' '-q' '0' '-e' '0.001'
[2026-05-24 13:56:06] [INFO ] Decomposing Gal with order
[2026-05-24 13:56:06] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 13:56:06] [INFO ] Removed a total of 113 redundant transitions.
[2026-05-24 13:56:06] [INFO ] Flatten gal took : 15 ms
[2026-05-24 13:56:06] [INFO ] Fuse similar labels procedure discarded/fused a total of 58 labels/synchronizations in 3 ms.
[2026-05-24 13:56:06] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5628632924905483943.gal : 3 ms
[2026-05-24 13:56:06] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15852478558591525854.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality5628632924905483943.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15852478558591525854.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality15852478558591525854.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 651
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30746 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[1]
Ending property specific reduction for DoubleExponent-PT-010-UpperBounds-10 in 137941 ms.
Starting property specific reduction for DoubleExponent-PT-010-UpperBounds-11
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
// Phase 1: matrix 227 rows 223 cols
[2026-05-24 13:56:21] [INFO ] Computed 31 invariants in 7 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (1451 resets) in 13 ms. (714 steps per ms)
BEST_FIRST walk for 10001 steps (917 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2026-05-24 13:56:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:56:21] [INFO ] [Real]Absence check using 8 positive place invariants in 6 ms returned sat
[2026-05-24 13:56:21] [INFO ] [Real]Absence check using 8 positive and 23 generalized place invariants in 4 ms returned sat
[2026-05-24 13:56:21] [INFO ] [Real]Absence check using state equation in 60 ms returned sat
[2026-05-24 13:56:21] [INFO ] State equation strengthened by 32 read => feed constraints.
[2026-05-24 13:56:21] [INFO ] [Real]Added 32 Read/Feed constraints in 35 ms returned sat
[2026-05-24 13:56:21] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:56:21] [INFO ] [Nat]Absence check using 8 positive place invariants in 5 ms returned sat
[2026-05-24 13:56:21] [INFO ] [Nat]Absence check using 8 positive and 23 generalized place invariants in 3 ms returned sat
[2026-05-24 13:56:21] [INFO ] [Nat]Absence check using state equation in 58 ms returned sat
[2026-05-24 13:56:21] [INFO ] [Nat]Added 32 Read/Feed constraints in 66 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:22] [INFO ] Deduced a trap composed of 50 places in 108 ms of which 23 ms to minimize.
[2026-05-24 13:56:22] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 143 ms
[2026-05-24 13:56:22] [INFO ] Computed and/alt/rep : 193/1079/193 causal constraints (skipped 33 transitions) in 14 ms.
[2026-05-24 13:56:22] [INFO ] Added : 40 causal constraints over 8 iterations in 347 ms. Result :sat
Minimization took 303 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[+inf]
Support contains 1 out of 223 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 223/223 places, 227/227 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 223 transition count 226
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 222 transition count 226
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 2 place count 222 transition count 224
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 6 place count 220 transition count 224
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 7
Deduced a syphon composed of 7 places in 1 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 2 with 14 rules applied. Total rules applied 20 place count 213 transition count 217
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 24 place count 211 transition count 218
Free-agglomeration rule (complex) applied 3 times.
Iterating global reduction 2 with 3 rules applied. Total rules applied 27 place count 211 transition count 215
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 30 place count 208 transition count 215
Partial Free-agglomeration rule applied 4 times.
Drop transitions (Partial Free agglomeration) removed 4 transitions
Iterating global reduction 3 with 4 rules applied. Total rules applied 34 place count 208 transition count 215
Applied a total of 34 rules in 28 ms. Remains 208 /223 variables (removed 15) and now considering 215/227 (removed 12) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29 ms. Remains : 208/223 places, 215/227 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {20=1, 29=1, 46=1, 73=1, 95=1, 150=1, 165=1, 172=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {20=1, 29=1, 46=1, 73=1, 95=1, 150=1, 165=1, 172=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 1490 resets, run finished after 15 ms. (steps per millisecond=666 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0] Max Struct:[+inf]
// Phase 1: matrix 215 rows 208 cols
[2026-05-24 13:56:33] [INFO ] Computed 31 invariants in 10 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 1000000 steps (144412 resets) in 749 ms. (1333 steps per ms)
BEST_FIRST walk for 1000000 steps (91486 resets) in 538 ms. (1855 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2026-05-24 13:56:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:56:34] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2026-05-24 13:56:34] [INFO ] [Real]Absence check using 13 positive and 18 generalized place invariants in 2 ms returned sat
[2026-05-24 13:56:34] [INFO ] [Real]Absence check using state equation in 68 ms returned sat
[2026-05-24 13:56:34] [INFO ] State equation strengthened by 39 read => feed constraints.
[2026-05-24 13:56:34] [INFO ] [Real]Added 39 Read/Feed constraints in 28 ms returned sat
[2026-05-24 13:56:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:56:34] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2026-05-24 13:56:34] [INFO ] [Nat]Absence check using 13 positive and 18 generalized place invariants in 2 ms returned sat
[2026-05-24 13:56:35] [INFO ] [Nat]Absence check using state equation in 70 ms returned sat
[2026-05-24 13:56:35] [INFO ] [Nat]Added 39 Read/Feed constraints in 95 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:35] [INFO ] Deduced a trap composed of 45 places in 98 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:35] [INFO ] Deduced a trap composed of 46 places in 104 ms of which 18 ms to minimize.
[2026-05-24 13:56:35] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 288 ms
[2026-05-24 13:56:35] [INFO ] Computed and/alt/rep : 172/1105/172 causal constraints (skipped 42 transitions) in 12 ms.
[2026-05-24 13:56:35] [INFO ] Added : 40 causal constraints over 8 iterations in 292 ms. Result :sat
Minimization took 236 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[+inf]
Support contains 1 out of 208 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 208/208 places, 215/215 transitions.
Applied a total of 0 rules in 3 ms. Remains 208 /208 variables (removed 0) and now considering 215/215 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 208/208 places, 215/215 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 208/208 places, 215/215 transitions.
Applied a total of 0 rules in 3 ms. Remains 208 /208 variables (removed 0) and now considering 215/215 (removed 0) transitions.
[2026-05-24 13:56:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:56:36] [INFO ] Implicit Places using invariants in 300 ms returned []
[2026-05-24 13:56:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:56:36] [INFO ] State equation strengthened by 39 read => feed constraints.
[2026-05-24 13:56:38] [INFO ] Implicit Places using invariants and state equation in 1827 ms returned []
Implicit Place search using SMT with State Equation took 2129 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 13:56:38] [INFO ] Redundant transitions in 2 ms returned []
Running 214 sub problems to find dead transitions.
[2026-05-24 13:56:38] [INFO ] Invariant cache hit.
[2026-05-24 13:56:38] [INFO ] State equation strengthened by 39 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/207 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/207 variables, 18/20 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/207 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 3 (OVERLAPS) 1/208 variables, 11/31 constraints. Problems are: Problem set: 0 solved, 214 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:41] [INFO ] Deduced a trap composed of 67 places in 88 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:41] [INFO ] Deduced a trap composed of 58 places in 87 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:41] [INFO ] Deduced a trap composed of 54 places in 80 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:41] [INFO ] Deduced a trap composed of 76 places in 70 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:41] [INFO ] Deduced a trap composed of 50 places in 85 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:41] [INFO ] Deduced a trap composed of 46 places in 81 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:41] [INFO ] Deduced a trap composed of 74 places in 84 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:42] [INFO ] Deduced a trap composed of 62 places in 81 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:42] [INFO ] Deduced a trap composed of 54 places in 89 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:42] [INFO ] Deduced a trap composed of 58 places in 79 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:42] [INFO ] Deduced a trap composed of 58 places in 82 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:42] [INFO ] Deduced a trap composed of 66 places in 80 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:43] [INFO ] Deduced a trap composed of 79 places in 81 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:43] [INFO ] Deduced a trap composed of 79 places in 78 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:43] [INFO ] Deduced a trap composed of 70 places in 92 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:43] [INFO ] Deduced a trap composed of 58 places in 79 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:43] [INFO ] Deduced a trap composed of 64 places in 81 ms of which 18 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 214 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:44] [INFO ] Deduced a trap composed of 82 places in 76 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:44] [INFO ] Deduced a trap composed of 82 places in 75 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:44] [INFO ] Deduced a trap composed of 79 places in 88 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:45] [INFO ] Deduced a trap composed of 79 places in 79 ms of which 17 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/208 variables, 4/52 constraints. Problems are: Problem set: 0 solved, 214 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:45] [INFO ] Deduced a trap composed of 83 places in 73 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:45] [INFO ] Deduced a trap composed of 83 places in 92 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:46] [INFO ] Deduced a trap composed of 76 places in 77 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:46] [INFO ] Deduced a trap composed of 76 places in 71 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:46] [INFO ] Deduced a trap composed of 76 places in 74 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:46] [INFO ] Deduced a trap composed of 70 places in 79 ms of which 17 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/208 variables, 6/58 constraints. Problems are: Problem set: 0 solved, 214 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:48] [INFO ] Deduced a trap composed of 64 places in 83 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:48] [INFO ] Deduced a trap composed of 64 places in 81 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:48] [INFO ] Deduced a trap composed of 77 places in 79 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:49] [INFO ] Deduced a trap composed of 77 places in 81 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:49] [INFO ] Deduced a trap composed of 89 places in 74 ms of which 12 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/208 variables, 5/63 constraints. Problems are: Problem set: 0 solved, 214 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:50] [INFO ] Deduced a trap composed of 77 places in 82 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:50] [INFO ] Deduced a trap composed of 77 places in 75 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:50] [INFO ] Deduced a trap composed of 89 places in 81 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:50] [INFO ] Deduced a trap composed of 62 places in 88 ms of which 21 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/208 variables, 4/67 constraints. Problems are: Problem set: 0 solved, 214 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:51] [INFO ] Deduced a trap composed of 23 places in 80 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:52] [INFO ] Deduced a trap composed of 56 places in 86 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:52] [INFO ] Deduced a trap composed of 17 places in 72 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:52] [INFO ] Deduced a trap composed of 20 places in 80 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:52] [INFO ] Deduced a trap composed of 64 places in 87 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:52] [INFO ] Deduced a trap composed of 64 places in 77 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:52] [INFO ] Deduced a trap composed of 64 places in 83 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:52] [INFO ] Deduced a trap composed of 64 places in 77 ms of which 17 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/208 variables, 8/75 constraints. Problems are: Problem set: 0 solved, 214 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:54] [INFO ] Deduced a trap composed of 49 places in 88 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:54] [INFO ] Deduced a trap composed of 51 places in 85 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:55] [INFO ] Deduced a trap composed of 26 places in 79 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:55] [INFO ] Deduced a trap composed of 89 places in 76 ms of which 10 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/208 variables, 4/79 constraints. Problems are: Problem set: 0 solved, 214 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:55] [INFO ] Deduced a trap composed of 19 places in 88 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:55] [INFO ] Deduced a trap composed of 53 places in 86 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:56] [INFO ] Deduced a trap composed of 54 places in 87 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:56] [INFO ] Deduced a trap composed of 50 places in 89 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:56] [INFO ] Deduced a trap composed of 22 places in 80 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:56] [INFO ] Deduced a trap composed of 53 places in 84 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:56] [INFO ] Deduced a trap composed of 50 places in 89 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:56] [INFO ] Deduced a trap composed of 50 places in 83 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:56] [INFO ] Deduced a trap composed of 78 places in 87 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:57] [INFO ] Deduced a trap composed of 55 places in 83 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:57] [INFO ] Deduced a trap composed of 55 places in 86 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:57] [INFO ] Deduced a trap composed of 23 places in 77 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:57] [INFO ] Deduced a trap composed of 89 places in 81 ms of which 17 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/208 variables, 13/92 constraints. Problems are: Problem set: 0 solved, 214 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:56:59] [INFO ] Deduced a trap composed of 58 places in 92 ms of which 18 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/208 variables, 1/93 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/208 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 14 (OVERLAPS) 215/423 variables, 208/301 constraints. Problems are: Problem set: 0 solved, 214 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (INCLUDED_ONLY) 0/423 variables, 39/340 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/423 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 214 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 423/423 variables, and 340 constraints, problems are : Problem set: 0 solved, 214 unsolved in 30011 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 208/208 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 214/214 constraints, Known Traps: 62/62 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 214 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/207 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/207 variables, 18/20 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/207 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 3 (OVERLAPS) 1/208 variables, 11/31 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 62/93 constraints. Problems are: Problem set: 0 solved, 214 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:09] [INFO ] Deduced a trap composed of 14 places in 77 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:09] [INFO ] Deduced a trap composed of 63 places in 93 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:09] [INFO ] Deduced a trap composed of 63 places in 83 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:09] [INFO ] Deduced a trap composed of 63 places in 91 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:09] [INFO ] Deduced a trap composed of 14 places in 74 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:10] [INFO ] Deduced a trap composed of 63 places in 82 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:10] [INFO ] Deduced a trap composed of 16 places in 57 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:10] [INFO ] Deduced a trap composed of 71 places in 88 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:10] [INFO ] Deduced a trap composed of 71 places in 87 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:10] [INFO ] Deduced a trap composed of 73 places in 83 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:11] [INFO ] Deduced a trap composed of 77 places in 90 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:11] [INFO ] Deduced a trap composed of 66 places in 92 ms of which 22 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/208 variables, 12/105 constraints. Problems are: Problem set: 0 solved, 214 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:11] [INFO ] Deduced a trap composed of 55 places in 89 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:12] [INFO ] Deduced a trap composed of 56 places in 88 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:13] [INFO ] Deduced a trap composed of 61 places in 84 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:13] [INFO ] Deduced a trap composed of 62 places in 85 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:13] [INFO ] Deduced a trap composed of 63 places in 86 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:13] [INFO ] Deduced a trap composed of 64 places in 79 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:13] [INFO ] Deduced a trap composed of 4 places in 74 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:13] [INFO ] Deduced a trap composed of 6 places in 65 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:13] [INFO ] Deduced a trap composed of 7 places in 67 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:13] [INFO ] Deduced a trap composed of 16 places in 84 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:13] [INFO ] Deduced a trap composed of 23 places in 92 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:13] [INFO ] Deduced a trap composed of 25 places in 90 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:13] [INFO ] Deduced a trap composed of 25 places in 89 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:14] [INFO ] Deduced a trap composed of 26 places in 89 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:14] [INFO ] Deduced a trap composed of 28 places in 88 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:14] [INFO ] Deduced a trap composed of 29 places in 103 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:14] [INFO ] Deduced a trap composed of 29 places in 89 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:14] [INFO ] Deduced a trap composed of 29 places in 88 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:14] [INFO ] Deduced a trap composed of 32 places in 92 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:14] [INFO ] Deduced a trap composed of 32 places in 94 ms of which 20 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/208 variables, 20/125 constraints. Problems are: Problem set: 0 solved, 214 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:14] [INFO ] Deduced a trap composed of 28 places in 73 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:14] [INFO ] Deduced a trap composed of 82 places in 70 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:15] [INFO ] Deduced a trap composed of 42 places in 88 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:15] [INFO ] Deduced a trap composed of 41 places in 96 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:15] [INFO ] Deduced a trap composed of 74 places in 80 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:15] [INFO ] Deduced a trap composed of 76 places in 85 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:15] [INFO ] Deduced a trap composed of 77 places in 83 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:15] [INFO ] Deduced a trap composed of 77 places in 81 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:15] [INFO ] Deduced a trap composed of 80 places in 76 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:16] [INFO ] Deduced a trap composed of 30 places in 85 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:16] [INFO ] Deduced a trap composed of 36 places in 80 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:16] [INFO ] Deduced a trap composed of 36 places in 92 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:16] [INFO ] Deduced a trap composed of 37 places in 85 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:17] [INFO ] Deduced a trap composed of 41 places in 80 ms of which 18 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/208 variables, 14/139 constraints. Problems are: Problem set: 0 solved, 214 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:17] [INFO ] Deduced a trap composed of 82 places in 78 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:18] [INFO ] Deduced a trap composed of 68 places in 76 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:18] [INFO ] Deduced a trap composed of 64 places in 77 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:18] [INFO ] Deduced a trap composed of 64 places in 91 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:18] [INFO ] Deduced a trap composed of 10 places in 82 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:19] [INFO ] Deduced a trap composed of 14 places in 82 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:19] [INFO ] Deduced a trap composed of 26 places in 88 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:19] [INFO ] Deduced a trap composed of 33 places in 93 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:19] [INFO ] Deduced a trap composed of 46 places in 108 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:19] [INFO ] Deduced a trap composed of 49 places in 226 ms of which 151 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:19] [INFO ] Deduced a trap composed of 49 places in 145 ms of which 73 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:19] [INFO ] Deduced a trap composed of 49 places in 126 ms of which 52 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:19] [INFO ] Deduced a trap composed of 52 places in 103 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:20] [INFO ] Deduced a trap composed of 52 places in 99 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:20] [INFO ] Deduced a trap composed of 52 places in 100 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:20] [INFO ] Deduced a trap composed of 48 places in 123 ms of which 46 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:20] [INFO ] Deduced a trap composed of 51 places in 116 ms of which 42 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:20] [INFO ] Deduced a trap composed of 51 places in 111 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:20] [INFO ] Deduced a trap composed of 51 places in 109 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:20] [INFO ] Deduced a trap composed of 54 places in 126 ms of which 49 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/208 variables, 20/159 constraints. Problems are: Problem set: 0 solved, 214 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:21] [INFO ] Deduced a trap composed of 57 places in 99 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:21] [INFO ] Deduced a trap composed of 59 places in 97 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:21] [INFO ] Deduced a trap composed of 62 places in 93 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:21] [INFO ] Deduced a trap composed of 57 places in 99 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:21] [INFO ] Deduced a trap composed of 59 places in 94 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:21] [INFO ] Deduced a trap composed of 10 places in 74 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:21] [INFO ] Deduced a trap composed of 59 places in 81 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:21] [INFO ] Deduced a trap composed of 62 places in 88 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:21] [INFO ] Deduced a trap composed of 62 places in 86 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:22] [INFO ] Deduced a trap composed of 62 places in 96 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:22] [INFO ] Deduced a trap composed of 64 places in 96 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:22] [INFO ] Deduced a trap composed of 67 places in 88 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:22] [INFO ] Deduced a trap composed of 67 places in 92 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:22] [INFO ] Deduced a trap composed of 62 places in 91 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:22] [INFO ] Deduced a trap composed of 67 places in 88 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:22] [INFO ] Deduced a trap composed of 58 places in 89 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:22] [INFO ] Deduced a trap composed of 60 places in 94 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:22] [INFO ] Deduced a trap composed of 63 places in 87 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:22] [INFO ] Deduced a trap composed of 58 places in 85 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:23] [INFO ] Deduced a trap composed of 63 places in 85 ms of which 24 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/208 variables, 20/179 constraints. Problems are: Problem set: 0 solved, 214 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:23] [INFO ] Deduced a trap composed of 76 places in 84 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:23] [INFO ] Deduced a trap composed of 70 places in 87 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:23] [INFO ] Deduced a trap composed of 88 places in 77 ms of which 13 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/208 variables, 3/182 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/208 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 12 (OVERLAPS) 215/423 variables, 208/390 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/423 variables, 39/429 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/423 variables, 214/643 constraints. Problems are: Problem set: 0 solved, 214 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 423/423 variables, and 643 constraints, problems are : Problem set: 0 solved, 214 unsolved in 30011 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 208/208 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 214/214 constraints, Known Traps: 151/151 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60066ms problems are : Problem set: 0 solved, 214 unsolved
Search for dead transitions found 0 dead transitions in 60067ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62206 ms. Remains : 208/208 places, 215/215 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {20=1, 29=1, 46=1, 73=1, 95=1, 150=1, 165=1, 172=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {20=1, 29=1, 46=1, 73=1, 95=1, 150=1, 165=1, 172=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 1439 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0] Max Struct:[+inf]
[2026-05-24 13:57:48] [INFO ] Flatten gal took : 14 ms
[2026-05-24 13:57:48] [INFO ] Flatten gal took : 10 ms
[2026-05-24 13:57:48] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1509625025760959176.gal : 1 ms
[2026-05-24 13:57:48] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7582671449524998229.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality1509625025760959176.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7582671449524998229.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40000 steps (5796 resets) in 51 ms. (769 steps per ms) remains 1/1 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
BEST_FIRST walk for 40001 steps (3661 resets) in 30 ms. (1290 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality7582671449524998229.prop.
Finished probabilistic random walk after 2191 steps, run visited all 1 properties in 10 ms. (steps per millisecond=219 )
Probabilistic random walk after 2191 steps, saw 1109 distinct states, run finished after 14 ms. (steps per millisecond=156 ) properties seen :1
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[+inf]
Ending property specific reduction for DoubleExponent-PT-010-UpperBounds-11 in 87125 ms.
Starting property specific reduction for DoubleExponent-PT-010-UpperBounds-12
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[1]
// Phase 1: matrix 227 rows 223 cols
[2026-05-24 13:57:48] [INFO ] Computed 31 invariants in 8 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 10000 steps (1454 resets) in 10 ms. (909 steps per ms)
BEST_FIRST walk for 10000 steps (935 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-24 13:57:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:57:48] [INFO ] [Real]Absence check using 8 positive place invariants in 5 ms returned sat
[2026-05-24 13:57:48] [INFO ] [Real]Absence check using 8 positive and 23 generalized place invariants in 6 ms returned sat
[2026-05-24 13:57:48] [INFO ] [Real]Absence check using state equation in 80 ms returned sat
[2026-05-24 13:57:48] [INFO ] State equation strengthened by 32 read => feed constraints.
[2026-05-24 13:57:48] [INFO ] [Real]Added 32 Read/Feed constraints in 77 ms returned sat
[2026-05-24 13:57:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:57:48] [INFO ] [Nat]Absence check using 8 positive place invariants in 5 ms returned sat
[2026-05-24 13:57:48] [INFO ] [Nat]Absence check using 8 positive and 23 generalized place invariants in 4 ms returned sat
[2026-05-24 13:57:49] [INFO ] [Nat]Absence check using state equation in 75 ms returned sat
[2026-05-24 13:57:49] [INFO ] [Nat]Added 32 Read/Feed constraints in 102 ms returned sat
[2026-05-24 13:57:49] [INFO ] Computed and/alt/rep : 193/1079/193 causal constraints (skipped 33 transitions) in 10 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:50] [INFO ] Deduced a trap composed of 8 places in 86 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:50] [INFO ] Deduced a trap composed of 14 places in 84 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:50] [INFO ] Deduced a trap composed of 53 places in 102 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:50] [INFO ] Deduced a trap composed of 56 places in 110 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:50] [INFO ] Deduced a trap composed of 53 places in 101 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:50] [INFO ] Deduced a trap composed of 56 places in 105 ms of which 27 ms to minimize.
[2026-05-24 13:57:50] [INFO ] Trap strengthening (SAT) tested/added 7/6 trap constraints in 860 ms
[2026-05-24 13:57:50] [INFO ] Added : 108 causal constraints over 22 iterations in 1834 ms. Result :sat
Minimization took 460 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 223 places. Attempting structural reductions.
Drop transitions (Removing consumers from one bounded place p245) removed 2 transitions
Starting structural reductions in REACHABILITY mode, iteration 0 : 223/223 places, 225/225 transitions.
Reduce places removed 2 places and 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 221 transition count 221
Reduce places removed 4 places and 4 transitions.
Graph (complete) has 1025 edges and 217 vertex of which 216 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Iterating post reduction 1 with 5 rules applied. Total rules applied 9 place count 216 transition count 217
Reduce places removed 2 places and 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 11 place count 214 transition count 215
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 11 place count 214 transition count 214
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 13 place count 213 transition count 214
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 7
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 3 with 14 rules applied. Total rules applied 27 place count 206 transition count 207
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 31 place count 204 transition count 208
Free-agglomeration rule (complex) applied 3 times.
Iterating global reduction 3 with 3 rules applied. Total rules applied 34 place count 204 transition count 206
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 37 place count 201 transition count 206
Partial Free-agglomeration rule applied 4 times.
Drop transitions (Partial Free agglomeration) removed 4 transitions
Iterating global reduction 4 with 4 rules applied. Total rules applied 41 place count 201 transition count 206
Applied a total of 41 rules in 18 ms. Remains 201 /223 variables (removed 22) and now considering 206/225 (removed 19) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 201/223 places, 206/225 transitions.
// Phase 1: matrix 206 rows 201 cols
[2026-05-24 13:57:51] [INFO ] Computed 31 invariants in 13 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (144494 resets) in 683 ms. (1461 steps per ms)
BEST_FIRST walk for 1000000 steps (91387 resets) in 502 ms. (1988 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-24 13:57:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:57:52] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2026-05-24 13:57:52] [INFO ] [Real]Absence check using 13 positive and 18 generalized place invariants in 2 ms returned sat
[2026-05-24 13:57:52] [INFO ] [Real]Absence check using state equation in 88 ms returned sat
[2026-05-24 13:57:52] [INFO ] State equation strengthened by 42 read => feed constraints.
[2026-05-24 13:57:52] [INFO ] [Real]Added 42 Read/Feed constraints in 47 ms returned sat
[2026-05-24 13:57:53] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:57:53] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2026-05-24 13:57:53] [INFO ] [Nat]Absence check using 13 positive and 18 generalized place invariants in 3 ms returned sat
[2026-05-24 13:57:53] [INFO ] [Nat]Absence check using state equation in 85 ms returned sat
[2026-05-24 13:57:53] [INFO ] [Nat]Added 42 Read/Feed constraints in 41 ms returned sat
[2026-05-24 13:57:53] [INFO ] Computed and/alt/rep : 153/992/153 causal constraints (skipped 52 transitions) in 10 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:57:53] [INFO ] Deduced a trap composed of 8 places in 73 ms of which 5 ms to minimize.
[2026-05-24 13:57:53] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 98 ms
[2026-05-24 13:57:53] [INFO ] Added : 68 causal constraints over 14 iterations in 575 ms. Result :sat
Minimization took 228 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 201 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 201/201 places, 206/206 transitions.
Applied a total of 0 rules in 3 ms. Remains 201 /201 variables (removed 0) and now considering 206/206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 201/201 places, 206/206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 201/201 places, 206/206 transitions.
Applied a total of 0 rules in 3 ms. Remains 201 /201 variables (removed 0) and now considering 206/206 (removed 0) transitions.
[2026-05-24 13:57:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:57:54] [INFO ] Implicit Places using invariants in 281 ms returned [51]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 282 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 200/201 places, 206/206 transitions.
Applied a total of 0 rules in 5 ms. Remains 200 /200 variables (removed 0) and now considering 206/206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 290 ms. Remains : 200/201 places, 206/206 transitions.
// Phase 1: matrix 206 rows 200 cols
[2026-05-24 13:57:54] [INFO ] Computed 30 invariants in 11 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (144298 resets) in 691 ms. (1445 steps per ms)
BEST_FIRST walk for 1000000 steps (91585 resets) in 476 ms. (2096 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-24 13:57:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:57:55] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2026-05-24 13:57:55] [INFO ] [Real]Absence check using 13 positive and 17 generalized place invariants in 3 ms returned sat
[2026-05-24 13:57:55] [INFO ] [Real]Absence check using state equation in 66 ms returned sat
[2026-05-24 13:57:55] [INFO ] State equation strengthened by 42 read => feed constraints.
[2026-05-24 13:57:55] [INFO ] [Real]Added 42 Read/Feed constraints in 38 ms returned sat
[2026-05-24 13:57:55] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:57:55] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2026-05-24 13:57:55] [INFO ] [Nat]Absence check using 13 positive and 17 generalized place invariants in 3 ms returned sat
[2026-05-24 13:57:55] [INFO ] [Nat]Absence check using state equation in 67 ms returned sat
[2026-05-24 13:57:55] [INFO ] [Nat]Added 42 Read/Feed constraints in 86 ms returned sat
[2026-05-24 13:57:55] [INFO ] Computed and/alt/rep : 153/992/153 causal constraints (skipped 52 transitions) in 10 ms.
[2026-05-24 13:57:56] [INFO ] Added : 73 causal constraints over 16 iterations in 641 ms. Result :sat
Minimization took 196 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 200 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 200/200 places, 206/206 transitions.
Applied a total of 0 rules in 3 ms. Remains 200 /200 variables (removed 0) and now considering 206/206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 200/200 places, 206/206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 200/200 places, 206/206 transitions.
Applied a total of 0 rules in 3 ms. Remains 200 /200 variables (removed 0) and now considering 206/206 (removed 0) transitions.
[2026-05-24 13:57:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:57:57] [INFO ] Implicit Places using invariants in 276 ms returned []
[2026-05-24 13:57:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:57:57] [INFO ] State equation strengthened by 42 read => feed constraints.
[2026-05-24 13:58:01] [INFO ] Implicit Places using invariants and state equation in 4147 ms returned [56]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 4424 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 199/200 places, 206/206 transitions.
Applied a total of 0 rules in 7 ms. Remains 199 /199 variables (removed 0) and now considering 206/206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 4435 ms. Remains : 199/200 places, 206/206 transitions.
// Phase 1: matrix 206 rows 199 cols
[2026-05-24 13:58:01] [INFO ] Computed 29 invariants in 7 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (144356 resets) in 694 ms. (1438 steps per ms)
BEST_FIRST walk for 1000001 steps (91253 resets) in 476 ms. (2096 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-24 13:58:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:58:02] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-24 13:58:02] [INFO ] [Real]Absence check using 2 positive and 27 generalized place invariants in 6 ms returned sat
[2026-05-24 13:58:02] [INFO ] [Real]Absence check using state equation in 69 ms returned sat
[2026-05-24 13:58:02] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:58:02] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-24 13:58:02] [INFO ] [Nat]Absence check using 2 positive and 27 generalized place invariants in 8 ms returned sat
[2026-05-24 13:58:02] [INFO ] [Nat]Absence check using state equation in 78 ms returned sat
[2026-05-24 13:58:02] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-24 13:58:02] [INFO ] [Nat]Added 40 Read/Feed constraints in 100 ms returned sat
[2026-05-24 13:58:02] [INFO ] Computed and/alt/rep : 154/997/154 causal constraints (skipped 51 transitions) in 9 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:03] [INFO ] Deduced a trap composed of 16 places in 56 ms of which 5 ms to minimize.
[2026-05-24 13:58:03] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 94 ms
[2026-05-24 13:58:03] [INFO ] Added : 86 causal constraints over 19 iterations in 757 ms. Result :sat
Minimization took 229 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 199 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 199/199 places, 206/206 transitions.
Applied a total of 0 rules in 3 ms. Remains 199 /199 variables (removed 0) and now considering 206/206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 199/199 places, 206/206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 199/199 places, 206/206 transitions.
Applied a total of 0 rules in 3 ms. Remains 199 /199 variables (removed 0) and now considering 206/206 (removed 0) transitions.
[2026-05-24 13:58:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:58:04] [INFO ] Implicit Places using invariants in 230 ms returned []
[2026-05-24 13:58:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:58:04] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-24 13:58:07] [INFO ] Implicit Places using invariants and state equation in 3369 ms returned []
Implicit Place search using SMT with State Equation took 3601 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 13:58:07] [INFO ] Redundant transitions in 2 ms returned []
Running 205 sub problems to find dead transitions.
[2026-05-24 13:58:07] [INFO ] Invariant cache hit.
[2026-05-24 13:58:07] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/197 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/197 variables, 21/23 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/197 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 2/199 variables, 6/29 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/199 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Problem TDEAD11 is UNSAT
Problem TDEAD12 is UNSAT
Problem TDEAD13 is UNSAT
Problem TDEAD14 is UNSAT
Problem TDEAD15 is UNSAT
Problem TDEAD16 is UNSAT
Problem TDEAD17 is UNSAT
Problem TDEAD19 is UNSAT
Problem TDEAD20 is UNSAT
Problem TDEAD21 is UNSAT
Problem TDEAD22 is UNSAT
Problem TDEAD23 is UNSAT
Problem TDEAD24 is UNSAT
Problem TDEAD25 is UNSAT
Problem TDEAD26 is UNSAT
Problem TDEAD28 is UNSAT
Problem TDEAD29 is UNSAT
Problem TDEAD41 is UNSAT
Problem TDEAD43 is UNSAT
Problem TDEAD44 is UNSAT
Problem TDEAD45 is UNSAT
Problem TDEAD47 is UNSAT
Problem TDEAD48 is UNSAT
Problem TDEAD49 is UNSAT
Problem TDEAD50 is UNSAT
Problem TDEAD51 is UNSAT
Problem TDEAD52 is UNSAT
Problem TDEAD61 is UNSAT
Problem TDEAD62 is UNSAT
Problem TDEAD67 is UNSAT
Problem TDEAD68 is UNSAT
Problem TDEAD69 is UNSAT
Problem TDEAD70 is UNSAT
Problem TDEAD71 is UNSAT
Problem TDEAD72 is UNSAT
Problem TDEAD73 is UNSAT
Problem TDEAD74 is UNSAT
Problem TDEAD75 is UNSAT
Problem TDEAD76 is UNSAT
Problem TDEAD83 is UNSAT
Problem TDEAD84 is UNSAT
Problem TDEAD89 is UNSAT
Problem TDEAD90 is UNSAT
Problem TDEAD108 is UNSAT
Problem TDEAD109 is UNSAT
Problem TDEAD110 is UNSAT
Problem TDEAD111 is UNSAT
Problem TDEAD112 is UNSAT
Problem TDEAD113 is UNSAT
Problem TDEAD114 is UNSAT
Problem TDEAD115 is UNSAT
Problem TDEAD116 is UNSAT
Problem TDEAD117 is UNSAT
Problem TDEAD118 is UNSAT
Problem TDEAD119 is UNSAT
Problem TDEAD120 is UNSAT
Problem TDEAD121 is UNSAT
Problem TDEAD122 is UNSAT
Problem TDEAD123 is UNSAT
Problem TDEAD124 is UNSAT
Problem TDEAD125 is UNSAT
Problem TDEAD126 is UNSAT
Problem TDEAD127 is UNSAT
Problem TDEAD128 is UNSAT
Problem TDEAD129 is UNSAT
Problem TDEAD130 is UNSAT
Problem TDEAD131 is UNSAT
Problem TDEAD132 is UNSAT
Problem TDEAD134 is UNSAT
Problem TDEAD135 is UNSAT
Problem TDEAD136 is UNSAT
Problem TDEAD141 is UNSAT
Problem TDEAD145 is UNSAT
Problem TDEAD146 is UNSAT
Problem TDEAD147 is UNSAT
Problem TDEAD148 is UNSAT
Problem TDEAD149 is UNSAT
Problem TDEAD150 is UNSAT
Problem TDEAD154 is UNSAT
Problem TDEAD171 is UNSAT
Problem TDEAD172 is UNSAT
Problem TDEAD173 is UNSAT
Problem TDEAD174 is UNSAT
Problem TDEAD175 is UNSAT
Problem TDEAD176 is UNSAT
Problem TDEAD177 is UNSAT
Problem TDEAD178 is UNSAT
Problem TDEAD179 is UNSAT
Problem TDEAD180 is UNSAT
Problem TDEAD181 is UNSAT
Problem TDEAD182 is UNSAT
Problem TDEAD183 is UNSAT
Problem TDEAD188 is UNSAT
Problem TDEAD189 is UNSAT
Problem TDEAD190 is UNSAT
Problem TDEAD191 is UNSAT
Problem TDEAD192 is UNSAT
Problem TDEAD193 is UNSAT
Problem TDEAD198 is UNSAT
Problem TDEAD199 is UNSAT
Problem TDEAD200 is UNSAT
Problem TDEAD201 is UNSAT
Problem TDEAD202 is UNSAT
Problem TDEAD203 is UNSAT
Problem TDEAD204 is UNSAT
Problem TDEAD205 is UNSAT
At refinement iteration 5 (OVERLAPS) 206/405 variables, 199/228 constraints. Problems are: Problem set: 106 solved, 99 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/405 variables, 40/268 constraints. Problems are: Problem set: 106 solved, 99 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/405 variables, 0/268 constraints. Problems are: Problem set: 106 solved, 99 unsolved
At refinement iteration 8 (OVERLAPS) 0/405 variables, 0/268 constraints. Problems are: Problem set: 106 solved, 99 unsolved
No progress, stopping.
After SMT solving in domain Real declared 405/405 variables, and 268 constraints, problems are : Problem set: 106 solved, 99 unsolved in 8394 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 27/27 constraints, State Equation: 199/199 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 106 solved, 99 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/95 variables, 2/2 constraints. Problems are: Problem set: 106 solved, 99 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/95 variables, 7/9 constraints. Problems are: Problem set: 106 solved, 99 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/95 variables, 0/9 constraints. Problems are: Problem set: 106 solved, 99 unsolved
At refinement iteration 3 (OVERLAPS) 50/145 variables, 6/15 constraints. Problems are: Problem set: 106 solved, 99 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/145 variables, 0/15 constraints. Problems are: Problem set: 106 solved, 99 unsolved
At refinement iteration 5 (OVERLAPS) 52/197 variables, 14/29 constraints. Problems are: Problem set: 106 solved, 99 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:17] [INFO ] Deduced a trap composed of 15 places in 56 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:17] [INFO ] Deduced a trap composed of 17 places in 58 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/197 variables, 2/31 constraints. Problems are: Problem set: 106 solved, 99 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/197 variables, 0/31 constraints. Problems are: Problem set: 106 solved, 99 unsolved
At refinement iteration 8 (OVERLAPS) 206/403 variables, 197/228 constraints. Problems are: Problem set: 106 solved, 99 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/403 variables, 40/268 constraints. Problems are: Problem set: 106 solved, 99 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/403 variables, 72/340 constraints. Problems are: Problem set: 106 solved, 99 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:21] [INFO ] Deduced a trap composed of 8 places in 70 ms of which 4 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/403 variables, 1/341 constraints. Problems are: Problem set: 106 solved, 99 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:23] [INFO ] Deduced a trap composed of 9 places in 65 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:23] [INFO ] Deduced a trap composed of 13 places in 82 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:23] [INFO ] Deduced a trap composed of 45 places in 89 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:23] [INFO ] Deduced a trap composed of 48 places in 88 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:23] [INFO ] Deduced a trap composed of 45 places in 88 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:23] [INFO ] Deduced a trap composed of 48 places in 86 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:23] [INFO ] Deduced a trap composed of 48 places in 87 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:24] [INFO ] Deduced a trap composed of 16 places in 67 ms of which 5 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/403 variables, 8/349 constraints. Problems are: Problem set: 106 solved, 99 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:27] [INFO ] Deduced a trap composed of 4 places in 76 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:27] [INFO ] Deduced a trap composed of 3 places in 71 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:27] [INFO ] Deduced a trap composed of 12 places in 58 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:28] [INFO ] Deduced a trap composed of 41 places in 91 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:28] [INFO ] Deduced a trap composed of 43 places in 88 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:28] [INFO ] Deduced a trap composed of 15 places in 81 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:29] [INFO ] Deduced a trap composed of 15 places in 84 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:29] [INFO ] Deduced a trap composed of 17 places in 93 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:29] [INFO ] Deduced a trap composed of 46 places in 109 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:29] [INFO ] Deduced a trap composed of 47 places in 89 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:29] [INFO ] Deduced a trap composed of 50 places in 95 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:29] [INFO ] Deduced a trap composed of 50 places in 102 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:30] [INFO ] Deduced a trap composed of 53 places in 97 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:30] [INFO ] Deduced a trap composed of 53 places in 89 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:30] [INFO ] Deduced a trap composed of 50 places in 96 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:30] [INFO ] Deduced a trap composed of 53 places in 91 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:30] [INFO ] Deduced a trap composed of 54 places in 84 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:30] [INFO ] Deduced a trap composed of 57 places in 79 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:30] [INFO ] Deduced a trap composed of 58 places in 93 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:30] [INFO ] Deduced a trap composed of 61 places in 80 ms of which 17 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/403 variables, 20/369 constraints. Problems are: Problem set: 106 solved, 99 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:32] [INFO ] Deduced a trap composed of 24 places in 55 ms of which 4 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/403 variables, 1/370 constraints. Problems are: Problem set: 106 solved, 99 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/403 variables, 0/370 constraints. Problems are: Problem set: 106 solved, 99 unsolved
At refinement iteration 16 (OVERLAPS) 2/405 variables, 2/372 constraints. Problems are: Problem set: 106 solved, 99 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/405 variables, 27/399 constraints. Problems are: Problem set: 106 solved, 99 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:44] [INFO ] Deduced a trap along path composed of 7 places in 24 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:44] [INFO ] Deduced a trap along path composed of 8 places in 23 ms of which 0 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 405/405 variables, and 401 constraints, problems are : Problem set: 106 solved, 99 unsolved in 30009 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 27/27 constraints, State Equation: 199/199 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 99/205 constraints, Known Traps: 32/32 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 38447ms problems are : Problem set: 106 solved, 99 unsolved
Search for dead transitions found 106 dead transitions in 38450ms
Found 106 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 106 transitions
Dead transitions reduction (with SMT) removed 106 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 199/199 places, 100/206 transitions.
Graph (complete) has 442 edges and 199 vertex of which 97 are kept as prefixes of interest. Removing 102 places using SCC suffix rule.1 ms
Discarding 102 places :
Also discarding 0 output transitions
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 97 transition count 99
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 96 transition count 99
Applied a total of 3 rules in 6 ms. Remains 96 /199 variables (removed 103) and now considering 99/100 (removed 1) transitions.
// Phase 1: matrix 99 rows 96 cols
[2026-05-24 13:58:46] [INFO ] Computed 15 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:58:46] [INFO ] Implicit Places using invariants in 76 ms returned []
[2026-05-24 13:58:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:58:46] [INFO ] State equation strengthened by 18 read => feed constraints.
[2026-05-24 13:58:46] [INFO ] Implicit Places using invariants and state equation in 295 ms returned []
Implicit Place search using SMT with State Equation took 394 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 96/199 places, 99/206 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 42461 ms. Remains : 96/199 places, 99/206 transitions.
[2026-05-24 13:58:46] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (144271 resets) in 611 ms. (1633 steps per ms)
BEST_FIRST walk for 1000000 steps (91240 resets) in 443 ms. (2252 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-24 13:58:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:58:47] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-24 13:58:47] [INFO ] [Real]Absence check using 4 positive and 11 generalized place invariants in 2 ms returned sat
[2026-05-24 13:58:47] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2026-05-24 13:58:47] [INFO ] State equation strengthened by 18 read => feed constraints.
[2026-05-24 13:58:47] [INFO ] [Real]Added 18 Read/Feed constraints in 9 ms returned sat
[2026-05-24 13:58:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:58:47] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-24 13:58:47] [INFO ] [Nat]Absence check using 4 positive and 11 generalized place invariants in 2 ms returned sat
[2026-05-24 13:58:47] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2026-05-24 13:58:47] [INFO ] [Nat]Added 18 Read/Feed constraints in 15 ms returned sat
[2026-05-24 13:58:47] [INFO ] Computed and/alt/rep : 87/535/87 causal constraints (skipped 11 transitions) in 4 ms.
[2026-05-24 13:58:47] [INFO ] Added : 80 causal constraints over 16 iterations in 270 ms. Result :sat
Minimization took 111 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 96 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 96/96 places, 99/99 transitions.
Applied a total of 0 rules in 1 ms. Remains 96 /96 variables (removed 0) and now considering 99/99 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 96/96 places, 99/99 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 96/96 places, 99/99 transitions.
Applied a total of 0 rules in 1 ms. Remains 96 /96 variables (removed 0) and now considering 99/99 (removed 0) transitions.
[2026-05-24 13:58:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:58:48] [INFO ] Implicit Places using invariants in 74 ms returned []
[2026-05-24 13:58:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:58:48] [INFO ] State equation strengthened by 18 read => feed constraints.
[2026-05-24 13:58:48] [INFO ] Implicit Places using invariants and state equation in 292 ms returned []
Implicit Place search using SMT with State Equation took 380 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 13:58:48] [INFO ] Redundant transitions in 0 ms returned []
Running 98 sub problems to find dead transitions.
[2026-05-24 13:58:48] [INFO ] Invariant cache hit.
[2026-05-24 13:58:48] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/94 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/94 variables, 10/12 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/94 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 3 (OVERLAPS) 2/96 variables, 2/14 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/96 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 6 (OVERLAPS) 99/195 variables, 96/111 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/195 variables, 18/129 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/195 variables, 0/129 constraints. Problems are: Problem set: 0 solved, 98 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/195 variables, 0/129 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Real declared 195/195 variables, and 129 constraints, problems are : Problem set: 0 solved, 98 unsolved in 3031 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 96/96 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 98 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/94 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/94 variables, 10/12 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/94 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 3 (OVERLAPS) 2/96 variables, 2/14 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/96 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 6 (OVERLAPS) 99/195 variables, 96/111 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/195 variables, 18/129 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/195 variables, 98/227 constraints. Problems are: Problem set: 0 solved, 98 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:53] [INFO ] Deduced a trap composed of 33 places in 49 ms of which 4 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/195 variables, 1/228 constraints. Problems are: Problem set: 0 solved, 98 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:54] [INFO ] Deduced a trap composed of 13 places in 52 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:55] [INFO ] Deduced a trap composed of 35 places in 42 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:55] [INFO ] Deduced a trap composed of 28 places in 48 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:55] [INFO ] Deduced a trap composed of 44 places in 47 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:55] [INFO ] Deduced a trap composed of 44 places in 42 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/195 variables, 5/233 constraints. Problems are: Problem set: 0 solved, 98 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:56] [INFO ] Deduced a trap composed of 12 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:56] [INFO ] Deduced a trap composed of 16 places in 28 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:56] [INFO ] Deduced a trap composed of 9 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:57] [INFO ] Deduced a trap composed of 40 places in 44 ms of which 7 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/195 variables, 4/237 constraints. Problems are: Problem set: 0 solved, 98 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:57] [INFO ] Deduced a trap composed of 4 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:57] [INFO ] Deduced a trap composed of 8 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:57] [INFO ] Deduced a trap composed of 25 places in 47 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:58] [INFO ] Deduced a trap composed of 27 places in 52 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:58] [INFO ] Deduced a trap composed of 14 places in 50 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:58:58] [INFO ] Deduced a trap composed of 13 places in 47 ms of which 6 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/195 variables, 6/243 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/195 variables, 0/243 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 14 (OVERLAPS) 0/195 variables, 0/243 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Int declared 195/195 variables, and 243 constraints, problems are : Problem set: 0 solved, 98 unsolved in 13265 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 96/96 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 16307ms problems are : Problem set: 0 solved, 98 unsolved
Search for dead transitions found 0 dead transitions in 16307ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16692 ms. Remains : 96/96 places, 99/99 transitions.
[2026-05-24 13:59:04] [INFO ] Flatten gal took : 7 ms
[2026-05-24 13:59:04] [INFO ] Flatten gal took : 4 ms
[2026-05-24 13:59:04] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4094521501633824411.gal : 1 ms
[2026-05-24 13:59:04] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9985568671520479405.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality4094521501633824411.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9985568671520479405.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality9985568671520479405.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :2 after 6
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :6 after 8
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :8 after 14
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :14 after 27
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :27 after 42
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :42 after 91
RANDOM walk for 40000 steps (5784 resets) in 120 ms. (330 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :91 after 275
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :275 after 780
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :780 after 4445
BEST_FIRST walk for 40003 steps (3662 resets) in 97 ms. (408 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (3615 resets) in 50 ms. (784 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :4445 after 24513
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :24513 after 97151
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :97151 after 274430
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :274430 after 638660
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :638660 after 2.08402e+08
Interrupted probabilistic random walk after 523026 steps, run timeout after 3001 ms. (steps per millisecond=174 ) properties seen :0 out of 2
Probabilistic random walk after 523026 steps, saw 261563 distinct states, run finished after 3001 ms. (steps per millisecond=174 ) properties seen :0
[2026-05-24 13:59:07] [INFO ] Invariant cache hit.
[2026-05-24 13:59:07] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 61/62 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 28/90 variables, 10/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:59:08] [INFO ] Deduced a trap composed of 3 places in 50 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/90 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 2/92 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:59:08] [INFO ] Deduced a trap composed of 4 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:59:08] [INFO ] Deduced a trap composed of 6 places in 43 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:59:08] [INFO ] Deduced a trap composed of 7 places in 41 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:59:08] [INFO ] Deduced a trap composed of 7 places in 42 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/92 variables, 4/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/92 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 99/191 variables, 92/110 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/191 variables, 18/128 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/191 variables, 0/128 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 4/195 variables, 4/132 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/195 variables, 2/134 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/195 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 0/195 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 195/195 variables, and 134 constraints, problems are : Problem set: 0 solved, 2 unsolved in 424 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 96/96 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 61/62 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 28/90 variables, 10/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 5/17 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:59:08] [INFO ] Deduced a trap composed of 10 places in 42 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/90 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/90 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 2/92 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/92 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 99/191 variables, 92/111 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/191 variables, 18/129 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/191 variables, 2/131 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/191 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 4/195 variables, 4/135 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/195 variables, 2/137 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/195 variables, 0/137 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 0/195 variables, 0/137 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 195/195 variables, and 137 constraints, problems are : Problem set: 0 solved, 2 unsolved in 201 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 96/96 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 626ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 410 ms.
Support contains 1 out of 96 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 96/96 places, 99/99 transitions.
Applied a total of 0 rules in 1 ms. Remains 96 /96 variables (removed 0) and now considering 99/99 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 96/96 places, 99/99 transitions.
RANDOM walk for 40000 steps (5766 resets) in 55 ms. (714 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (3703 resets) in 46 ms. (851 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (3660 resets) in 49 ms. (800 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 566915 steps, run timeout after 3001 ms. (steps per millisecond=188 ) properties seen :0 out of 2
Probabilistic random walk after 566915 steps, saw 283515 distinct states, run finished after 3001 ms. (steps per millisecond=188 ) properties seen :0
[2026-05-24 13:59:12] [INFO ] Invariant cache hit.
[2026-05-24 13:59:12] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 61/62 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 28/90 variables, 10/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:59:12] [INFO ] Deduced a trap composed of 3 places in 47 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/90 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 2/92 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:59:12] [INFO ] Deduced a trap composed of 4 places in 48 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:59:12] [INFO ] Deduced a trap composed of 6 places in 42 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:59:12] [INFO ] Deduced a trap composed of 7 places in 44 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:59:12] [INFO ] Deduced a trap composed of 7 places in 37 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/92 variables, 4/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/92 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 99/191 variables, 92/110 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/191 variables, 18/128 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/191 variables, 0/128 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 4/195 variables, 4/132 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/195 variables, 2/134 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/195 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 0/195 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 195/195 variables, and 134 constraints, problems are : Problem set: 0 solved, 2 unsolved in 425 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 96/96 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 61/62 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 28/90 variables, 10/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 5/17 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:59:12] [INFO ] Deduced a trap composed of 10 places in 42 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/90 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/90 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 2/92 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/92 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 99/191 variables, 92/111 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/191 variables, 18/129 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/191 variables, 2/131 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/191 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 4/195 variables, 4/135 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/195 variables, 2/137 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/195 variables, 0/137 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 0/195 variables, 0/137 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 195/195 variables, and 137 constraints, problems are : Problem set: 0 solved, 2 unsolved in 199 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 96/96 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 625ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 340 ms.
Support contains 1 out of 96 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 96/96 places, 99/99 transitions.
Applied a total of 0 rules in 1 ms. Remains 96 /96 variables (removed 0) and now considering 99/99 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 96/96 places, 99/99 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 96/96 places, 99/99 transitions.
Applied a total of 0 rules in 1 ms. Remains 96 /96 variables (removed 0) and now considering 99/99 (removed 0) transitions.
[2026-05-24 13:59:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:59:13] [INFO ] Implicit Places using invariants in 66 ms returned []
[2026-05-24 13:59:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:59:13] [INFO ] State equation strengthened by 18 read => feed constraints.
[2026-05-24 13:59:13] [INFO ] Implicit Places using invariants and state equation in 288 ms returned []
Implicit Place search using SMT with State Equation took 355 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 13:59:13] [INFO ] Redundant transitions in 1 ms returned []
Running 98 sub problems to find dead transitions.
[2026-05-24 13:59:13] [INFO ] Invariant cache hit.
[2026-05-24 13:59:13] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/94 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/94 variables, 10/12 constraints. Problems are: Problem set: 0 solved, 98 unsolved
SDD proceeding with computation,2 properties remain. new max is 131072
SDD size :2.08402e+08 after 1.43046e+09
At refinement iteration 2 (INCLUDED_ONLY) 0/94 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 3 (OVERLAPS) 2/96 variables, 2/14 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/96 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 6 (OVERLAPS) 99/195 variables, 96/111 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/195 variables, 18/129 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/195 variables, 0/129 constraints. Problems are: Problem set: 0 solved, 98 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/195 variables, 0/129 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Real declared 195/195 variables, and 129 constraints, problems are : Problem set: 0 solved, 98 unsolved in 3102 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 96/96 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 98 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/94 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/94 variables, 10/12 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/94 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 3 (OVERLAPS) 2/96 variables, 2/14 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/96 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 6 (OVERLAPS) 99/195 variables, 96/111 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/195 variables, 18/129 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/195 variables, 98/227 constraints. Problems are: Problem set: 0 solved, 98 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:59:18] [INFO ] Deduced a trap composed of 33 places in 49 ms of which 4 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/195 variables, 1/228 constraints. Problems are: Problem set: 0 solved, 98 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:59:19] [INFO ] Deduced a trap composed of 13 places in 50 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:59:20] [INFO ] Deduced a trap composed of 35 places in 49 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:59:20] [INFO ] Deduced a trap composed of 28 places in 51 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:59:20] [INFO ] Deduced a trap composed of 44 places in 48 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:59:20] [INFO ] Deduced a trap composed of 44 places in 41 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/195 variables, 5/233 constraints. Problems are: Problem set: 0 solved, 98 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:59:21] [INFO ] Deduced a trap composed of 12 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:59:21] [INFO ] Deduced a trap composed of 16 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:59:21] [INFO ] Deduced a trap composed of 9 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:59:21] [INFO ] Deduced a trap composed of 40 places in 53 ms of which 7 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/195 variables, 4/237 constraints. Problems are: Problem set: 0 solved, 98 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:59:22] [INFO ] Deduced a trap composed of 4 places in 48 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:59:22] [INFO ] Deduced a trap composed of 8 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:59:22] [INFO ] Deduced a trap composed of 25 places in 55 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:59:23] [INFO ] Deduced a trap composed of 27 places in 53 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:59:23] [INFO ] Deduced a trap composed of 14 places in 49 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:59:23] [INFO ] Deduced a trap composed of 13 places in 47 ms of which 6 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/195 variables, 6/243 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/195 variables, 0/243 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 14 (OVERLAPS) 0/195 variables, 0/243 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Int declared 195/195 variables, and 243 constraints, problems are : Problem set: 0 solved, 98 unsolved in 13390 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 96/96 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 16508ms problems are : Problem set: 0 solved, 98 unsolved
Search for dead transitions found 0 dead transitions in 16509ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16868 ms. Remains : 96/96 places, 99/99 transitions.
Attempting over-approximation, by ignoring read arcs.
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 9 Pre rules applied. Total rules applied 0 place count 96 transition count 90
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 0 with 18 rules applied. Total rules applied 18 place count 87 transition count 90
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 22 place count 83 transition count 86
Iterating global reduction 0 with 4 rules applied. Total rules applied 26 place count 83 transition count 86
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 27 place count 83 transition count 85
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 28 place count 82 transition count 85
Applied a total of 28 rules in 9 ms. Remains 82 /96 variables (removed 14) and now considering 85/99 (removed 14) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 85 rows 82 cols
[2026-05-24 13:59:29] [INFO ] Computed 15 invariants in 2 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-24 13:59:29] [INFO ] [Real]Absence check using 8 positive place invariants in 2 ms returned sat
[2026-05-24 13:59:29] [INFO ] [Real]Absence check using 8 positive and 7 generalized place invariants in 1 ms returned sat
[2026-05-24 13:59:29] [INFO ] After 33ms SMT Verify possible using state equation in real domain returned unsat :0 sat :2
[2026-05-24 13:59:29] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-24 13:59:29] [INFO ] After 7ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:2
[2026-05-24 13:59:29] [INFO ] After 70ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-24 13:59:29] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2026-05-24 13:59:29] [INFO ] [Nat]Absence check using 8 positive and 7 generalized place invariants in 1 ms returned sat
[2026-05-24 13:59:30] [INFO ] After 28ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2026-05-24 13:59:30] [INFO ] After 6ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2026-05-24 13:59:30] [INFO ] After 16ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2026-05-24 13:59:30] [INFO ] After 78ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2026-05-24 13:59:30] [INFO ] Flatten gal took : 4 ms
[2026-05-24 13:59:30] [INFO ] Flatten gal took : 3 ms
[2026-05-24 13:59:30] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4562131834484927036.gal : 1 ms
[2026-05-24 13:59:30] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7328474593430492421.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality4562131834484927036.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7328474593430492421.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality7328474593430492421.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :3 after 13
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :13 after 31
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :31 after 52
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :52 after 87
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :87 after 168
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :168 after 317
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :317 after 661
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :661 after 1661
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :1661 after 3677
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :3677 after 7624
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :7624 after 15532
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :15532 after 31397
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :31397 after 63014
SDD proceeding with computation,2 properties remain. new max is 262144
SDD size :1.43046e+09 after 5.63958e+09
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :63014 after 126325
Detected timeout of ITS tools.
[2026-05-24 13:59:45] [INFO ] Flatten gal took : 5 ms
[2026-05-24 13:59:45] [INFO ] Applying decomposition
[2026-05-24 13:59:45] [INFO ] Flatten gal took : 4 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph3380963502331576487.txt' '-o' '/tmp/graph3380963502331576487.bin' '-w' '/tmp/graph3380963502331576487.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph3380963502331576487.bin' '-l' '-1' '-v' '-w' '/tmp/graph3380963502331576487.weights' '-q' '0' '-e' '0.001'
[2026-05-24 13:59:45] [INFO ] Decomposing Gal with order
[2026-05-24 13:59:45] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 13:59:45] [INFO ] Removed a total of 53 redundant transitions.
[2026-05-24 13:59:45] [INFO ] Flatten gal took : 5 ms
[2026-05-24 13:59:45] [INFO ] Fuse similar labels procedure discarded/fused a total of 32 labels/synchronizations in 1 ms.
[2026-05-24 13:59:45] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7068576689562346560.gal : 2 ms
[2026-05-24 13:59:45] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality410514648958937024.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality7068576689562346560.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality410514648958937024.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...306
Loading property file /tmp/ReachabilityCardinality410514648958937024.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :4706 after 4731
Detected timeout of ITS tools.
[2026-05-24 13:59:54] [INFO ] Flatten gal took : 15 ms
[2026-05-24 13:59:54] [INFO ] Applying decomposition
[2026-05-24 13:59:54] [INFO ] Flatten gal took : 5 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph17019661074643083870.txt' '-o' '/tmp/graph17019661074643083870.bin' '-w' '/tmp/graph17019661074643083870.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph17019661074643083870.bin' '-l' '-1' '-v' '-w' '/tmp/graph17019661074643083870.weights' '-q' '0' '-e' '0.001'
[2026-05-24 13:59:54] [INFO ] Decomposing Gal with order
[2026-05-24 13:59:54] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 13:59:54] [INFO ] Removed a total of 51 redundant transitions.
[2026-05-24 13:59:54] [INFO ] Flatten gal took : 7 ms
[2026-05-24 13:59:54] [INFO ] Fuse similar labels procedure discarded/fused a total of 56 labels/synchronizations in 2 ms.
[2026-05-24 13:59:54] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16167839321949341085.gal : 5 ms
[2026-05-24 13:59:54] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10192239027526942034.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality16167839321949341085.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10192239027526942034.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityCardinality10192239027526942034.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :10 after 15
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :42 after 48
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :1142 after 1155
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30265 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[1]
Ending property specific reduction for DoubleExponent-PT-010-UpperBounds-12 in 131513 ms.
Starting property specific reduction for DoubleExponent-PT-010-UpperBounds-13
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[1]
// Phase 1: matrix 227 rows 223 cols
[2026-05-24 14:00:00] [INFO ] Computed 31 invariants in 7 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 10000 steps (1446 resets) in 12 ms. (769 steps per ms)
BEST_FIRST walk for 10001 steps (912 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-24 14:00:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 14:00:00] [INFO ] [Real]Absence check using 8 positive place invariants in 6 ms returned sat
[2026-05-24 14:00:00] [INFO ] [Real]Absence check using 8 positive and 23 generalized place invariants in 4 ms returned sat
[2026-05-24 14:00:00] [INFO ] [Real]Absence check using state equation in 119 ms returned sat
[2026-05-24 14:00:00] [INFO ] State equation strengthened by 32 read => feed constraints.
[2026-05-24 14:00:00] [INFO ] [Real]Added 32 Read/Feed constraints in 53 ms returned sat
[2026-05-24 14:00:00] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 14:00:00] [INFO ] [Nat]Absence check using 8 positive place invariants in 6 ms returned sat
[2026-05-24 14:00:00] [INFO ] [Nat]Absence check using 8 positive and 23 generalized place invariants in 4 ms returned sat
[2026-05-24 14:00:00] [INFO ] [Nat]Absence check using state equation in 160 ms returned sat
[2026-05-24 14:00:00] [INFO ] [Nat]Added 32 Read/Feed constraints in 138 ms returned sat
[2026-05-24 14:00:00] [INFO ] Computed and/alt/rep : 193/1079/193 causal constraints (skipped 33 transitions) in 12 ms.
[2026-05-24 14:00:03] [INFO ] Added : 155 causal constraints over 31 iterations in 2597 ms. Result :sat
Minimization took 502 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 223 places. Attempting structural reductions.
Drop transitions (Removing consumers from one bounded place p453) removed 2 transitions
Starting structural reductions in REACHABILITY mode, iteration 0 : 223/223 places, 225/225 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 223 transition count 223
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 221 transition count 223
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 4 place count 221 transition count 221
Deduced a syphon composed of 28 places in 1 ms
Reduce places removed 28 places and 35 transitions.
Iterating global reduction 2 with 30 rules applied. Total rules applied 34 place count 193 transition count 186
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 2 with 5 rules applied. Total rules applied 39 place count 188 transition count 186
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 3 with 10 rules applied. Total rules applied 49 place count 183 transition count 181
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 3 with 6 rules applied. Total rules applied 55 place count 180 transition count 181
Free-agglomeration rule (complex) applied 3 times.
Iterating global reduction 3 with 3 rules applied. Total rules applied 58 place count 180 transition count 179
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 61 place count 177 transition count 179
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 62 place count 177 transition count 179
Applied a total of 62 rules in 18 ms. Remains 177 /223 variables (removed 46) and now considering 179/225 (removed 46) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 177/223 places, 179/225 transitions.
// Phase 1: matrix 179 rows 177 cols
[2026-05-24 14:00:03] [INFO ] Computed 29 invariants in 9 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (144240 resets) in 660 ms. (1512 steps per ms)
BEST_FIRST walk for 1000001 steps (91169 resets) in 470 ms. (2123 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-24 14:00:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 14:00:05] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-24 14:00:05] [INFO ] [Real]Absence check using 8 positive and 21 generalized place invariants in 3 ms returned sat
[2026-05-24 14:00:05] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2026-05-24 14:00:05] [INFO ] State equation strengthened by 37 read => feed constraints.
[2026-05-24 14:00:05] [INFO ] [Real]Added 37 Read/Feed constraints in 40 ms returned sat
[2026-05-24 14:00:05] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 14:00:05] [INFO ] [Nat]Absence check using 8 positive place invariants in 4 ms returned sat
[2026-05-24 14:00:05] [INFO ] [Nat]Absence check using 8 positive and 21 generalized place invariants in 3 ms returned sat
[2026-05-24 14:00:05] [INFO ] [Nat]Absence check using state equation in 55 ms returned sat
[2026-05-24 14:00:05] [INFO ] [Nat]Added 37 Read/Feed constraints in 60 ms returned sat
[2026-05-24 14:00:05] [INFO ] Computed and/alt/rep : 145/931/145 causal constraints (skipped 33 transitions) in 8 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:00:06] [INFO ] Deduced a trap composed of 18 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:00:06] [INFO ] Deduced a trap composed of 19 places in 39 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:00:06] [INFO ] Deduced a trap composed of 22 places in 39 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:00:06] [INFO ] Deduced a trap composed of 22 places in 82 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:00:06] [INFO ] Deduced a trap composed of 21 places in 76 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:00:06] [INFO ] Deduced a trap composed of 25 places in 79 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:00:07] [INFO ] Deduced a trap composed of 26 places in 98 ms of which 17 ms to minimize.
[2026-05-24 14:00:07] [INFO ] Trap strengthening (SAT) tested/added 8/7 trap constraints in 756 ms
[2026-05-24 14:00:07] [INFO ] Added : 109 causal constraints over 22 iterations in 1818 ms. Result :sat
Minimization took 276 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 177 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 177/177 places, 179/179 transitions.
Applied a total of 0 rules in 2 ms. Remains 177 /177 variables (removed 0) and now considering 179/179 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 177/177 places, 179/179 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 177/177 places, 179/179 transitions.
Applied a total of 0 rules in 2 ms. Remains 177 /177 variables (removed 0) and now considering 179/179 (removed 0) transitions.
[2026-05-24 14:00:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 14:00:09] [INFO ] Implicit Places using invariants in 216 ms returned [143, 145, 148]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 217 ms to find 3 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 174/177 places, 179/179 transitions.
Applied a total of 0 rules in 3 ms. Remains 174 /174 variables (removed 0) and now considering 179/179 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 223 ms. Remains : 174/177 places, 179/179 transitions.
// Phase 1: matrix 179 rows 174 cols
[2026-05-24 14:00:09] [INFO ] Computed 26 invariants in 7 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (144065 resets) in 677 ms. (1474 steps per ms)
BEST_FIRST walk for 1000001 steps (91326 resets) in 469 ms. (2127 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-24 14:00:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 14:00:10] [INFO ] [Real]Absence check using 6 positive place invariants in 3 ms returned sat
[2026-05-24 14:00:10] [INFO ] [Real]Absence check using 6 positive and 20 generalized place invariants in 3 ms returned sat
[2026-05-24 14:00:10] [INFO ] [Real]Absence check using state equation in 61 ms returned sat
[2026-05-24 14:00:10] [INFO ] State equation strengthened by 35 read => feed constraints.
[2026-05-24 14:00:10] [INFO ] [Real]Added 35 Read/Feed constraints in 28 ms returned sat
[2026-05-24 14:00:10] [INFO ] Computed and/alt/rep : 145/923/145 causal constraints (skipped 33 transitions) in 8 ms.
[2026-05-24 14:00:10] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 14:00:10] [INFO ] [Nat]Absence check using 6 positive place invariants in 3 ms returned sat
[2026-05-24 14:00:10] [INFO ] [Nat]Absence check using 6 positive and 20 generalized place invariants in 4 ms returned sat
[2026-05-24 14:00:10] [INFO ] [Nat]Absence check using state equation in 58 ms returned sat
[2026-05-24 14:00:10] [INFO ] [Nat]Added 35 Read/Feed constraints in 44 ms returned sat
[2026-05-24 14:00:10] [INFO ] Computed and/alt/rep : 145/923/145 causal constraints (skipped 33 transitions) in 8 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:00:11] [INFO ] Deduced a trap composed of 26 places in 71 ms of which 13 ms to minimize.
[2026-05-24 14:00:11] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 109 ms
[2026-05-24 14:00:11] [INFO ] Added : 118 causal constraints over 25 iterations in 1026 ms. Result :sat
Minimization took 316 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 174 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 174/174 places, 179/179 transitions.
Applied a total of 0 rules in 2 ms. Remains 174 /174 variables (removed 0) and now considering 179/179 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 174/174 places, 179/179 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 174/174 places, 179/179 transitions.
Applied a total of 0 rules in 2 ms. Remains 174 /174 variables (removed 0) and now considering 179/179 (removed 0) transitions.
[2026-05-24 14:00:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 14:00:13] [INFO ] Implicit Places using invariants in 200 ms returned []
[2026-05-24 14:00:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 14:00:13] [INFO ] State equation strengthened by 35 read => feed constraints.
[2026-05-24 14:00:15] [INFO ] Implicit Places using invariants and state equation in 1520 ms returned [145]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 1721 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 173/174 places, 179/179 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 172 transition count 178
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 172 transition count 177
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 4 place count 171 transition count 177
Applied a total of 4 rules in 11 ms. Remains 171 /173 variables (removed 2) and now considering 177/179 (removed 2) transitions.
// Phase 1: matrix 177 rows 171 cols
[2026-05-24 14:00:15] [INFO ] Computed 26 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 14:00:15] [INFO ] Implicit Places using invariants in 185 ms returned []
[2026-05-24 14:00:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 14:00:15] [INFO ] State equation strengthened by 38 read => feed constraints.
[2026-05-24 14:00:16] [INFO ] Implicit Places using invariants and state equation in 916 ms returned []
Implicit Place search using SMT with State Equation took 1102 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 171/174 places, 177/179 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 2836 ms. Remains : 171/174 places, 177/179 transitions.
[2026-05-24 14:00:16] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (144292 resets) in 649 ms. (1538 steps per ms)
BEST_FIRST walk for 1000000 steps (91184 resets) in 455 ms. (2192 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-24 14:00:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 14:00:17] [INFO ] [Real]Absence check using 6 positive place invariants in 3 ms returned sat
[2026-05-24 14:00:17] [INFO ] [Real]Absence check using 6 positive and 20 generalized place invariants in 3 ms returned sat
[2026-05-24 14:00:17] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2026-05-24 14:00:17] [INFO ] State equation strengthened by 38 read => feed constraints.
[2026-05-24 14:00:17] [INFO ] [Real]Added 38 Read/Feed constraints in 33 ms returned sat
[2026-05-24 14:00:17] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 14:00:17] [INFO ] [Nat]Absence check using 6 positive place invariants in 3 ms returned sat
[2026-05-24 14:00:17] [INFO ] [Nat]Absence check using 6 positive and 20 generalized place invariants in 3 ms returned sat
[2026-05-24 14:00:17] [INFO ] [Nat]Absence check using state equation in 52 ms returned sat
[2026-05-24 14:00:17] [INFO ] [Nat]Added 38 Read/Feed constraints in 67 ms returned sat
[2026-05-24 14:00:17] [INFO ] Computed and/alt/rep : 143/909/143 causal constraints (skipped 33 transitions) in 8 ms.
[2026-05-24 14:00:18] [INFO ] Added : 85 causal constraints over 17 iterations in 642 ms. Result :sat
Minimization took 213 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 171 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 171/171 places, 177/177 transitions.
Applied a total of 0 rules in 2 ms. Remains 171 /171 variables (removed 0) and now considering 177/177 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 171/171 places, 177/177 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 171/171 places, 177/177 transitions.
Applied a total of 0 rules in 2 ms. Remains 171 /171 variables (removed 0) and now considering 177/177 (removed 0) transitions.
[2026-05-24 14:00:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 14:00:19] [INFO ] Implicit Places using invariants in 181 ms returned []
[2026-05-24 14:00:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 14:00:19] [INFO ] State equation strengthened by 38 read => feed constraints.
[2026-05-24 14:00:20] [INFO ] Implicit Places using invariants and state equation in 917 ms returned []
Implicit Place search using SMT with State Equation took 1098 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 14:00:20] [INFO ] Redundant transitions in 1 ms returned []
Running 176 sub problems to find dead transitions.
[2026-05-24 14:00:20] [INFO ] Invariant cache hit.
[2026-05-24 14:00:20] [INFO ] State equation strengthened by 38 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/169 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/169 variables, 19/21 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/169 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 3 (OVERLAPS) 2/171 variables, 4/25 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/171 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/171 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 6 (OVERLAPS) 177/348 variables, 171/197 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/348 variables, 38/235 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/348 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 176 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/348 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 176 unsolved
No progress, stopping.
After SMT solving in domain Real declared 348/348 variables, and 235 constraints, problems are : Problem set: 0 solved, 176 unsolved in 10901 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 171/171 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 176/176 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 176 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/169 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/169 variables, 19/21 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/169 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 3 (OVERLAPS) 2/171 variables, 4/25 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/171 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/171 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 6 (OVERLAPS) 177/348 variables, 171/197 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/348 variables, 38/235 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/348 variables, 176/411 constraints. Problems are: Problem set: 0 solved, 176 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:00:37] [INFO ] Deduced a trap composed of 57 places in 70 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:00:37] [INFO ] Deduced a trap composed of 57 places in 72 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:00:38] [INFO ] Deduced a trap composed of 41 places in 81 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:00:39] [INFO ] Deduced a trap composed of 41 places in 79 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:00:39] [INFO ] Deduced a trap composed of 41 places in 75 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:00:39] [INFO ] Deduced a trap composed of 41 places in 66 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:00:40] [INFO ] Deduced a trap composed of 50 places in 82 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:00:40] [INFO ] Deduced a trap composed of 50 places in 70 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:00:40] [INFO ] Deduced a trap composed of 56 places in 75 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:00:40] [INFO ] Deduced a trap composed of 56 places in 73 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:00:40] [INFO ] Deduced a trap composed of 47 places in 74 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:00:41] [INFO ] Deduced a trap composed of 3 places in 47 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:00:41] [INFO ] Deduced a trap composed of 12 places in 70 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:00:41] [INFO ] Deduced a trap composed of 13 places in 63 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:00:41] [INFO ] Deduced a trap composed of 44 places in 93 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:00:42] [INFO ] Deduced a trap composed of 18 places in 64 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:00:42] [INFO ] Deduced a trap composed of 46 places in 74 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:00:42] [INFO ] Deduced a trap composed of 22 places in 66 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:00:42] [INFO ] Deduced a trap composed of 44 places in 88 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:00:42] [INFO ] Deduced a trap composed of 23 places in 69 ms of which 11 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/348 variables, 20/431 constraints. Problems are: Problem set: 0 solved, 176 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:00:46] [INFO ] Deduced a trap composed of 4 places in 54 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:00:46] [INFO ] Deduced a trap composed of 8 places in 61 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:00:48] [INFO ] Deduced a trap composed of 54 places in 75 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:00:48] [INFO ] Deduced a trap composed of 58 places in 74 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:00:48] [INFO ] Deduced a trap composed of 72 places in 56 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:00:48] [INFO ] Deduced a trap composed of 56 places in 73 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:00:48] [INFO ] Deduced a trap composed of 56 places in 71 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:00:49] [INFO ] Deduced a trap composed of 68 places in 64 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:00:49] [INFO ] Deduced a trap composed of 68 places in 64 ms of which 11 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/348 variables, 9/440 constraints. Problems are: Problem set: 0 solved, 176 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:00:51] [INFO ] Deduced a trap composed of 16 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:00:53] [INFO ] Deduced a trap composed of 33 places in 74 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:00:54] [INFO ] Deduced a trap composed of 75 places in 61 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:00:54] [INFO ] Deduced a trap composed of 59 places in 72 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:00:54] [INFO ] Deduced a trap composed of 71 places in 59 ms of which 8 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/348 variables, 5/445 constraints. Problems are: Problem set: 0 solved, 176 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:00:58] [INFO ] Deduced a trap composed of 21 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:00:58] [INFO ] Deduced a trap composed of 25 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:00:59] [INFO ] Deduced a trap composed of 25 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:01] [INFO ] Deduced a trap composed of 35 places in 92 ms of which 21 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 348/348 variables, and 449 constraints, problems are : Problem set: 0 solved, 176 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 171/171 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 176/176 constraints, Known Traps: 38/38 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40945ms problems are : Problem set: 0 solved, 176 unsolved
Search for dead transitions found 0 dead transitions in 40946ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42055 ms. Remains : 171/171 places, 177/177 transitions.
[2026-05-24 14:01:01] [INFO ] Flatten gal took : 20 ms
RANDOM walk for 40000 steps (5759 resets) in 65 ms. (606 steps per ms) remains 2/2 properties
[2026-05-24 14:01:01] [INFO ] Flatten gal took : 6 ms
[2026-05-24 14:01:01] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8132995387705463730.gal : 1 ms
[2026-05-24 14:01:01] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16860395861004102561.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality8132995387705463730.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16860395861004102561.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
BEST_FIRST walk for 40002 steps (3662 resets) in 59 ms. (666 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality16860395861004102561.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :2 after 6
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :6 after 10
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :10 after 14
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :14 after 30
BEST_FIRST walk for 40000 steps (3690 resets) in 64 ms. (615 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :30 after 40
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :40 after 126
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :126 after 254
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :254 after 607
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :607 after 1539
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :1539 after 23429
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :23429 after 43142
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :43142 after 113065
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :113065 after 259074
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :259074 after 541737
Interrupted probabilistic random walk after 536734 steps, run timeout after 3001 ms. (steps per millisecond=178 ) properties seen :0 out of 2
Probabilistic random walk after 536734 steps, saw 268424 distinct states, run finished after 3001 ms. (steps per millisecond=178 ) properties seen :0
[2026-05-24 14:01:04] [INFO ] Invariant cache hit.
[2026-05-24 14:01:04] [INFO ] State equation strengthened by 38 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 109/110 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 54/164 variables, 19/23 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:04] [INFO ] Deduced a trap composed of 4 places in 77 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:04] [INFO ] Deduced a trap composed of 7 places in 69 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:04] [INFO ] Deduced a trap composed of 7 places in 69 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:04] [INFO ] Deduced a trap composed of 9 places in 64 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:04] [INFO ] Deduced a trap composed of 10 places in 63 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:04] [INFO ] Deduced a trap composed of 10 places in 57 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/164 variables, 6/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/164 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 2/166 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/166 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 176/342 variables, 166/196 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/342 variables, 37/233 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/342 variables, 0/233 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 6/348 variables, 5/238 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/348 variables, 2/240 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/348 variables, 1/241 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/348 variables, 0/241 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 0/348 variables, 0/241 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 348/348 variables, and 241 constraints, problems are : Problem set: 0 solved, 2 unsolved in 733 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 171/171 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 109/110 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 54/164 variables, 19/23 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/164 variables, 6/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/164 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 2/166 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:05] [INFO ] Deduced a trap composed of 10 places in 80 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:05] [INFO ] Deduced a trap composed of 13 places in 62 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:05] [INFO ] Deduced a trap composed of 13 places in 52 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:05] [INFO ] Deduced a trap composed of 15 places in 52 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:05] [INFO ] Deduced a trap composed of 16 places in 50 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:05] [INFO ] Deduced a trap composed of 16 places in 52 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:05] [INFO ] Deduced a trap composed of 16 places in 50 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:05] [INFO ] Deduced a trap composed of 18 places in 52 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:05] [INFO ] Deduced a trap composed of 19 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:05] [INFO ] Deduced a trap composed of 19 places in 44 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:05] [INFO ] Deduced a trap composed of 19 places in 38 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:05] [INFO ] Deduced a trap composed of 22 places in 36 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:05] [INFO ] Deduced a trap composed of 22 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:05] [INFO ] Deduced a trap composed of 25 places in 30 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:05] [INFO ] Deduced a trap composed of 25 places in 28 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/166 variables, 15/45 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/166 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 176/342 variables, 166/211 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/342 variables, 37/248 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/342 variables, 2/250 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/342 variables, 0/250 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 6/348 variables, 5/255 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/348 variables, 2/257 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/348 variables, 1/258 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/348 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 0/348 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 348/348 variables, and 258 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1164 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 171/171 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 21/21 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1901ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
SDD proceeding with computation,2 properties remain. new max is 131072
SDD size :541737 after 4.12011e+06
Parikh walk visited 0 properties in 3295 ms.
Support contains 1 out of 171 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 171/171 places, 177/177 transitions.
Applied a total of 0 rules in 3 ms. Remains 171 /171 variables (removed 0) and now considering 177/177 (removed 0) transitions.
Running 176 sub problems to find dead transitions.
[2026-05-24 14:01:09] [INFO ] Invariant cache hit.
[2026-05-24 14:01:09] [INFO ] State equation strengthened by 38 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/169 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/169 variables, 19/21 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/169 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 3 (OVERLAPS) 2/171 variables, 4/25 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/171 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/171 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 6 (OVERLAPS) 177/348 variables, 171/197 constraints. Problems are: Problem set: 0 solved, 176 unsolved
SDD proceeding with computation,2 properties remain. new max is 262144
SDD size :4.12011e+06 after 2.10205e+07
At refinement iteration 7 (INCLUDED_ONLY) 0/348 variables, 38/235 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/348 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 176 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/348 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 176 unsolved
No progress, stopping.
After SMT solving in domain Real declared 348/348 variables, and 235 constraints, problems are : Problem set: 0 solved, 176 unsolved in 10967 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 171/171 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 176/176 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 176 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/169 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/169 variables, 19/21 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/169 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 3 (OVERLAPS) 2/171 variables, 4/25 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/171 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/171 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 6 (OVERLAPS) 177/348 variables, 171/197 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/348 variables, 38/235 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/348 variables, 176/411 constraints. Problems are: Problem set: 0 solved, 176 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:26] [INFO ] Deduced a trap composed of 57 places in 78 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:26] [INFO ] Deduced a trap composed of 57 places in 62 ms of which 6 ms to minimize.
SDD proceeding with computation,2 properties remain. new max is 524288
SDD size :2.10205e+07 after 6.01502e+07
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:27] [INFO ] Deduced a trap composed of 41 places in 83 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:28] [INFO ] Deduced a trap composed of 41 places in 85 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:28] [INFO ] Deduced a trap composed of 41 places in 81 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:29] [INFO ] Deduced a trap composed of 41 places in 87 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:29] [INFO ] Deduced a trap composed of 50 places in 87 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:29] [INFO ] Deduced a trap composed of 50 places in 83 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:29] [INFO ] Deduced a trap composed of 56 places in 88 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:29] [INFO ] Deduced a trap composed of 56 places in 83 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:29] [INFO ] Deduced a trap composed of 47 places in 83 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:30] [INFO ] Deduced a trap composed of 3 places in 58 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:30] [INFO ] Deduced a trap composed of 12 places in 68 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:31] [INFO ] Deduced a trap composed of 13 places in 81 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:31] [INFO ] Deduced a trap composed of 44 places in 101 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:31] [INFO ] Deduced a trap composed of 18 places in 84 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:31] [INFO ] Deduced a trap composed of 46 places in 95 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:32] [INFO ] Deduced a trap composed of 22 places in 90 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:32] [INFO ] Deduced a trap composed of 44 places in 97 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:32] [INFO ] Deduced a trap composed of 23 places in 86 ms of which 12 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/348 variables, 20/431 constraints. Problems are: Problem set: 0 solved, 176 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:36] [INFO ] Deduced a trap composed of 4 places in 60 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:36] [INFO ] Deduced a trap composed of 8 places in 69 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:38] [INFO ] Deduced a trap composed of 54 places in 82 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:38] [INFO ] Deduced a trap composed of 58 places in 82 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:38] [INFO ] Deduced a trap composed of 72 places in 72 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:38] [INFO ] Deduced a trap composed of 56 places in 82 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:38] [INFO ] Deduced a trap composed of 56 places in 83 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:38] [INFO ] Deduced a trap composed of 68 places in 77 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:38] [INFO ] Deduced a trap composed of 68 places in 77 ms of which 11 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/348 variables, 9/440 constraints. Problems are: Problem set: 0 solved, 176 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 348/348 variables, and 440 constraints, problems are : Problem set: 0 solved, 176 unsolved in 20018 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 171/171 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 176/176 constraints, Known Traps: 29/29 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 31016ms problems are : Problem set: 0 solved, 176 unsolved
Search for dead transitions found 0 dead transitions in 31018ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31021 ms. Remains : 171/171 places, 177/177 transitions.
RANDOM walk for 40000 steps (5726 resets) in 114 ms. (347 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40000 steps (3628 resets) in 48 ms. (816 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (3629 resets) in 42 ms. (930 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 583576 steps, run timeout after 3001 ms. (steps per millisecond=194 ) properties seen :0 out of 2
Probabilistic random walk after 583576 steps, saw 291847 distinct states, run finished after 3002 ms. (steps per millisecond=194 ) properties seen :0
[2026-05-24 14:01:43] [INFO ] Invariant cache hit.
[2026-05-24 14:01:43] [INFO ] State equation strengthened by 38 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 109/110 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 54/164 variables, 19/23 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:43] [INFO ] Deduced a trap composed of 4 places in 78 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:43] [INFO ] Deduced a trap composed of 7 places in 73 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:43] [INFO ] Deduced a trap composed of 7 places in 66 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:43] [INFO ] Deduced a trap composed of 9 places in 68 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:44] [INFO ] Deduced a trap composed of 10 places in 60 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:44] [INFO ] Deduced a trap composed of 10 places in 64 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/164 variables, 6/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/164 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 2/166 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/166 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 176/342 variables, 166/196 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/342 variables, 37/233 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/342 variables, 0/233 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 6/348 variables, 5/238 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/348 variables, 2/240 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/348 variables, 1/241 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/348 variables, 0/241 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 0/348 variables, 0/241 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 348/348 variables, and 241 constraints, problems are : Problem set: 0 solved, 2 unsolved in 728 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 171/171 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 109/110 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 54/164 variables, 19/23 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/164 variables, 6/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/164 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 2/166 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:44] [INFO ] Deduced a trap composed of 10 places in 65 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:44] [INFO ] Deduced a trap composed of 13 places in 62 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:44] [INFO ] Deduced a trap composed of 13 places in 50 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:44] [INFO ] Deduced a trap composed of 15 places in 50 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:44] [INFO ] Deduced a trap composed of 16 places in 48 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:44] [INFO ] Deduced a trap composed of 16 places in 50 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:44] [INFO ] Deduced a trap composed of 16 places in 46 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:44] [INFO ] Deduced a trap composed of 18 places in 46 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:44] [INFO ] Deduced a trap composed of 19 places in 44 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:44] [INFO ] Deduced a trap composed of 19 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:45] [INFO ] Deduced a trap composed of 19 places in 40 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:45] [INFO ] Deduced a trap composed of 22 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:45] [INFO ] Deduced a trap composed of 22 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:45] [INFO ] Deduced a trap composed of 25 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:01:45] [INFO ] Deduced a trap composed of 25 places in 28 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/166 variables, 15/45 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/166 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 176/342 variables, 166/211 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/342 variables, 37/248 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/342 variables, 2/250 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/342 variables, 0/250 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 6/348 variables, 5/255 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/348 variables, 2/257 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/348 variables, 1/258 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/348 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 0/348 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 348/348 variables, and 258 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1175 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 171/171 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 21/21 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1908ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 3235 ms.
Support contains 1 out of 171 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 171/171 places, 177/177 transitions.
Applied a total of 0 rules in 3 ms. Remains 171 /171 variables (removed 0) and now considering 177/177 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 171/171 places, 177/177 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 171/171 places, 177/177 transitions.
Applied a total of 0 rules in 2 ms. Remains 171 /171 variables (removed 0) and now considering 177/177 (removed 0) transitions.
[2026-05-24 14:01:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 14:01:48] [INFO ] Implicit Places using invariants in 187 ms returned []
[2026-05-24 14:01:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 14:01:49] [INFO ] State equation strengthened by 38 read => feed constraints.
[2026-05-24 14:01:49] [INFO ] Implicit Places using invariants and state equation in 943 ms returned []
Implicit Place search using SMT with State Equation took 1131 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 14:01:49] [INFO ] Redundant transitions in 1 ms returned []
Running 176 sub problems to find dead transitions.
[2026-05-24 14:01:49] [INFO ] Invariant cache hit.
[2026-05-24 14:01:49] [INFO ] State equation strengthened by 38 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/169 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/169 variables, 19/21 constraints. Problems are: Problem set: 0 solved, 176 unsolved
Detected timeout of ITS tools.
[2026-05-24 14:01:51] [INFO ] Flatten gal took : 7 ms
[2026-05-24 14:01:51] [INFO ] Applying decomposition
[2026-05-24 14:01:51] [INFO ] Flatten gal took : 5 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph13687515360331340880.txt' '-o' '/tmp/graph13687515360331340880.bin' '-w' '/tmp/graph13687515360331340880.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph13687515360331340880.bin' '-l' '-1' '-v' '-w' '/tmp/graph13687515360331340880.weights' '-q' '0' '-e' '0.001'
[2026-05-24 14:01:51] [INFO ] Decomposing Gal with order
[2026-05-24 14:01:51] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 14:01:51] [INFO ] Removed a total of 92 redundant transitions.
[2026-05-24 14:01:51] [INFO ] Flatten gal took : 10 ms
[2026-05-24 14:01:51] [INFO ] Fuse similar labels procedure discarded/fused a total of 112 labels/synchronizations in 3 ms.
[2026-05-24 14:01:51] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality948438344428043924.gal : 2 ms
[2026-05-24 14:01:51] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17162410042023739576.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality948438344428043924.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17162410042023739576.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
At refinement iteration 2 (INCLUDED_ONLY) 0/169 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 176 unsolved
Loading property file /tmp/ReachabilityCardinality17162410042023739576.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 14
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :14 after 40
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :40 after 1048
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :1048 after 6432
At refinement iteration 3 (OVERLAPS) 2/171 variables, 4/25 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/171 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/171 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 6 (OVERLAPS) 177/348 variables, 171/197 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/348 variables, 38/235 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/348 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 176 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/348 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 176 unsolved
No progress, stopping.
After SMT solving in domain Real declared 348/348 variables, and 235 constraints, problems are : Problem set: 0 solved, 176 unsolved in 11134 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 171/171 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 176/176 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 176 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/169 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/169 variables, 19/21 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/169 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 3 (OVERLAPS) 2/171 variables, 4/25 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/171 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 176 unsolved
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :6432 after 755840
At refinement iteration 5 (INCLUDED_ONLY) 0/171 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 6 (OVERLAPS) 177/348 variables, 171/197 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/348 variables, 38/235 constraints. Problems are: Problem set: 0 solved, 176 unsolved
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :755840 after 9.27624e+06
At refinement iteration 8 (INCLUDED_ONLY) 0/348 variables, 176/411 constraints. Problems are: Problem set: 0 solved, 176 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:02:07] [INFO ] Deduced a trap composed of 57 places in 78 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:02:07] [INFO ] Deduced a trap composed of 57 places in 77 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:02:08] [INFO ] Deduced a trap composed of 41 places in 85 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:02:09] [INFO ] Deduced a trap composed of 41 places in 85 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:02:09] [INFO ] Deduced a trap composed of 41 places in 82 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:02:09] [INFO ] Deduced a trap composed of 41 places in 83 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:02:09] [INFO ] Deduced a trap composed of 50 places in 86 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:02:10] [INFO ] Deduced a trap composed of 50 places in 82 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:02:10] [INFO ] Deduced a trap composed of 56 places in 90 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:02:10] [INFO ] Deduced a trap composed of 56 places in 84 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:02:10] [INFO ] Deduced a trap composed of 47 places in 85 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:02:11] [INFO ] Deduced a trap composed of 3 places in 58 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:02:11] [INFO ] Deduced a trap composed of 12 places in 81 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:02:11] [INFO ] Deduced a trap composed of 13 places in 66 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:02:11] [INFO ] Deduced a trap composed of 44 places in 104 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:02:12] [INFO ] Deduced a trap composed of 18 places in 83 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:02:12] [INFO ] Deduced a trap composed of 46 places in 93 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:02:12] [INFO ] Deduced a trap composed of 22 places in 84 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:02:12] [INFO ] Deduced a trap composed of 44 places in 97 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:02:13] [INFO ] Deduced a trap composed of 23 places in 89 ms of which 12 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/348 variables, 20/431 constraints. Problems are: Problem set: 0 solved, 176 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:02:17] [INFO ] Deduced a trap composed of 4 places in 61 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:02:17] [INFO ] Deduced a trap composed of 8 places in 67 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:02:18] [INFO ] Deduced a trap composed of 54 places in 84 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:02:18] [INFO ] Deduced a trap composed of 58 places in 82 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:02:19] [INFO ] Deduced a trap composed of 72 places in 78 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:02:19] [INFO ] Deduced a trap composed of 56 places in 85 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:02:19] [INFO ] Deduced a trap composed of 56 places in 79 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:02:19] [INFO ] Deduced a trap composed of 68 places in 78 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:02:19] [INFO ] Deduced a trap composed of 68 places in 77 ms of which 11 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/348 variables, 9/440 constraints. Problems are: Problem set: 0 solved, 176 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:02:22] [INFO ] Deduced a trap composed of 16 places in 49 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:02:23] [INFO ] Deduced a trap composed of 33 places in 83 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:02:25] [INFO ] Deduced a trap composed of 75 places in 78 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:02:25] [INFO ] Deduced a trap composed of 59 places in 81 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:02:25] [INFO ] Deduced a trap composed of 71 places in 72 ms of which 7 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/348 variables, 5/445 constraints. Problems are: Problem set: 0 solved, 176 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:02:29] [INFO ] Deduced a trap composed of 21 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:02:29] [INFO ] Deduced a trap composed of 25 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:02:30] [INFO ] Deduced a trap composed of 25 places in 36 ms of which 2 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 348/348 variables, and 448 constraints, problems are : Problem set: 0 solved, 176 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 171/171 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 176/176 constraints, Known Traps: 37/37 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41187ms problems are : Problem set: 0 solved, 176 unsolved
Search for dead transitions found 0 dead transitions in 41188ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42326 ms. Remains : 171/171 places, 177/177 transitions.
Attempting over-approximation, by ignoring read arcs.
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 16 Pre rules applied. Total rules applied 0 place count 171 transition count 161
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 0 with 32 rules applied. Total rules applied 32 place count 155 transition count 161
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 40 place count 147 transition count 153
Iterating global reduction 0 with 8 rules applied. Total rules applied 48 place count 147 transition count 153
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 50 place count 146 transition count 152
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 51 place count 146 transition count 151
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 52 place count 145 transition count 151
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 53 place count 145 transition count 151
Applied a total of 53 rules in 11 ms. Remains 145 /171 variables (removed 26) and now considering 151/177 (removed 26) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 151 rows 145 cols
[2026-05-24 14:02:31] [INFO ] Computed 26 invariants in 6 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-24 14:02:31] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2026-05-24 14:02:31] [INFO ] [Real]Absence check using 4 positive and 22 generalized place invariants in 5 ms returned sat
[2026-05-24 14:02:31] [INFO ] After 67ms SMT Verify possible using state equation in real domain returned unsat :0 sat :2
[2026-05-24 14:02:31] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-24 14:02:31] [INFO ] After 14ms SMT Verify possible using 4 Read/Feed constraints in real domain returned unsat :0 sat :0 real:2
[2026-05-24 14:02:31] [INFO ] After 133ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-24 14:02:31] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2026-05-24 14:02:31] [INFO ] [Nat]Absence check using 4 positive and 22 generalized place invariants in 4 ms returned sat
[2026-05-24 14:02:31] [INFO ] After 56ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2026-05-24 14:02:31] [INFO ] After 11ms SMT Verify possible using 4 Read/Feed constraints in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:02:31] [INFO ] Deduced a trap composed of 5 places in 62 ms of which 3 ms to minimize.
[2026-05-24 14:02:31] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 73 ms
TRAPS : Iteration 1
[2026-05-24 14:02:31] [INFO ] After 120ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2026-05-24 14:02:31] [INFO ] After 236ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2026-05-24 14:02:31] [INFO ] Flatten gal took : 7 ms
[2026-05-24 14:02:31] [INFO ] Flatten gal took : 6 ms
[2026-05-24 14:02:31] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1336196909509400484.gal : 1 ms
[2026-05-24 14:02:31] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality85761078192653276.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality1336196909509400484.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality85761078192653276.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...326
Loading property file /tmp/ReachabilityCardinality85761078192653276.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :3 after 13
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :13 after 31
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :31 after 52
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :52 after 63
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :63 after 171
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :171 after 306
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :306 after 1280
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1280 after 3545
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :3545 after 13276
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :13276 after 31515
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :31515 after 69690
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :69690 after 160417
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :160417 after 345999
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :345999 after 739215
SDD proceeding with computation,2 properties remain. new max is 131072
SDD size :739215 after 1.55192e+06
Detected timeout of ITS tools.
SDD proceeding with computation,2 properties remain. new max is 262144
SDD size :1.55192e+06 after 3.21312e+06
Detected timeout of ITS tools.
[2026-05-24 14:02:46] [INFO ] Flatten gal took : 5 ms
[2026-05-24 14:02:46] [INFO ] Applying decomposition
[2026-05-24 14:02:46] [INFO ] Flatten gal took : 5 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph546262638228370679.txt' '-o' '/tmp/graph546262638228370679.bin' '-w' '/tmp/graph546262638228370679.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph546262638228370679.bin' '-l' '-1' '-v' '-w' '/tmp/graph546262638228370679.weights' '-q' '0' '-e' '0.001'
[2026-05-24 14:02:46] [INFO ] Decomposing Gal with order
[2026-05-24 14:02:46] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 14:02:46] [INFO ] Removed a total of 93 redundant transitions.
[2026-05-24 14:02:46] [INFO ] Flatten gal took : 11 ms
[2026-05-24 14:02:46] [INFO ] Fuse similar labels procedure discarded/fused a total of 26 labels/synchronizations in 1 ms.
[2026-05-24 14:02:46] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13531539394997505827.gal : 1 ms
[2026-05-24 14:02:46] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9764078624954232569.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13531539394997505827.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9764078624954232569.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality9764078624954232569.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 17
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :17 after 168
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :168 after 454
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :454 after 55428
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30533 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[1]
Ending property specific reduction for DoubleExponent-PT-010-UpperBounds-13 in 181464 ms.
Starting property specific reduction for DoubleExponent-PT-010-UpperBounds-14
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[1]
// Phase 1: matrix 227 rows 223 cols
[2026-05-24 14:03:01] [INFO ] Computed 31 invariants in 15 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 10000 steps (1394 resets) in 14 ms. (666 steps per ms)
BEST_FIRST walk for 10000 steps (883 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-24 14:03:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 14:03:01] [INFO ] [Real]Absence check using 8 positive place invariants in 5 ms returned sat
[2026-05-24 14:03:01] [INFO ] [Real]Absence check using 8 positive and 23 generalized place invariants in 4 ms returned sat
[2026-05-24 14:03:01] [INFO ] [Real]Absence check using state equation in 97 ms returned sat
[2026-05-24 14:03:01] [INFO ] State equation strengthened by 32 read => feed constraints.
[2026-05-24 14:03:01] [INFO ] [Real]Added 32 Read/Feed constraints in 134 ms returned sat
[2026-05-24 14:03:01] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 14:03:02] [INFO ] [Nat]Absence check using 8 positive place invariants in 6 ms returned sat
[2026-05-24 14:03:02] [INFO ] [Nat]Absence check using 8 positive and 23 generalized place invariants in 4 ms returned sat
[2026-05-24 14:03:02] [INFO ] [Nat]Absence check using state equation in 95 ms returned sat
[2026-05-24 14:03:02] [INFO ] [Nat]Added 32 Read/Feed constraints in 192 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:02] [INFO ] Deduced a trap composed of 21 places in 104 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:02] [INFO ] Deduced a trap composed of 19 places in 93 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:02] [INFO ] Deduced a trap composed of 22 places in 112 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:02] [INFO ] Deduced a trap composed of 14 places in 99 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:02] [INFO ] Deduced a trap composed of 10 places in 99 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:03] [INFO ] Deduced a trap composed of 10 places in 100 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:03] [INFO ] Deduced a trap composed of 46 places in 139 ms of which 56 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:03] [INFO ] Deduced a trap composed of 47 places in 119 ms of which 42 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:03] [INFO ] Deduced a trap composed of 35 places in 92 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:03] [INFO ] Deduced a trap composed of 27 places in 91 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:03] [INFO ] Deduced a trap composed of 28 places in 91 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:03] [INFO ] Deduced a trap composed of 30 places in 89 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:03] [INFO ] Deduced a trap composed of 36 places in 91 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:04] [INFO ] Deduced a trap composed of 49 places in 132 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:04] [INFO ] Deduced a trap composed of 50 places in 147 ms of which 54 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:04] [INFO ] Deduced a trap composed of 50 places in 133 ms of which 47 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:04] [INFO ] Deduced a trap composed of 51 places in 125 ms of which 38 ms to minimize.
[2026-05-24 14:03:04] [INFO ] Trap strengthening (SAT) tested/added 18/17 trap constraints in 2495 ms
[2026-05-24 14:03:04] [INFO ] Computed and/alt/rep : 193/1079/193 causal constraints (skipped 33 transitions) in 12 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:06] [INFO ] Deduced a trap composed of 8 places in 98 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:06] [INFO ] Deduced a trap composed of 34 places in 106 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:06] [INFO ] Deduced a trap composed of 55 places in 141 ms of which 53 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:06] [INFO ] Deduced a trap composed of 58 places in 123 ms of which 50 ms to minimize.
[2026-05-24 14:03:06] [INFO ] Trap strengthening (SAT) tested/added 4/4 trap constraints in 661 ms
Maximisation of solution failed !
Minimization took 0 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 223 places. Attempting structural reductions.
Drop transitions (Removing consumers from one bounded place p422) removed 3 transitions
Starting structural reductions in REACHABILITY mode, iteration 0 : 223/223 places, 224/224 transitions.
Reduce places removed 1 places and 13 transitions.
Graph (complete) has 869 edges and 222 vertex of which 221 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 221 transition count 210
Reduce places removed 10 places and 10 transitions.
Graph (complete) has 835 edges and 211 vertex of which 208 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Discarding 1 places :
Implicit places reduction removed 1 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 1 with 15 rules applied. Total rules applied 18 place count 207 transition count 197
Reduce places removed 6 places and 5 transitions.
Graph (complete) has 817 edges and 201 vertex of which 199 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.1 ms
Discarding 2 places :
Also discarding 0 output transitions
Iterating post reduction 2 with 7 rules applied. Total rules applied 25 place count 199 transition count 192
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 4 Pre rules applied. Total rules applied 25 place count 199 transition count 188
Deduced a syphon composed of 28 places in 1 ms
Reduce places removed 28 places and 22 transitions.
Iterating global reduction 3 with 32 rules applied. Total rules applied 57 place count 171 transition count 166
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 60 place count 168 transition count 166
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 64 place count 166 transition count 164
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 4 with 6 rules applied. Total rules applied 70 place count 163 transition count 164
Free-agglomeration rule (complex) applied 3 times.
Iterating global reduction 4 with 3 rules applied. Total rules applied 73 place count 163 transition count 161
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 76 place count 160 transition count 161
Applied a total of 76 rules in 17 ms. Remains 160 /223 variables (removed 63) and now considering 161/224 (removed 63) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 160/223 places, 161/224 transitions.
// Phase 1: matrix 161 rows 160 cols
[2026-05-24 14:03:06] [INFO ] Computed 26 invariants in 9 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (144521 resets) in 656 ms. (1522 steps per ms)
BEST_FIRST walk for 1000001 steps (91457 resets) in 462 ms. (2159 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-24 14:03:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 14:03:08] [INFO ] [Real]Absence check using 6 positive place invariants in 3 ms returned sat
[2026-05-24 14:03:08] [INFO ] [Real]Absence check using 6 positive and 20 generalized place invariants in 4 ms returned sat
[2026-05-24 14:03:08] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2026-05-24 14:03:08] [INFO ] State equation strengthened by 32 read => feed constraints.
[2026-05-24 14:03:08] [INFO ] [Real]Added 32 Read/Feed constraints in 41 ms returned sat
[2026-05-24 14:03:08] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 14:03:08] [INFO ] [Nat]Absence check using 6 positive place invariants in 3 ms returned sat
[2026-05-24 14:03:08] [INFO ] [Nat]Absence check using 6 positive and 20 generalized place invariants in 3 ms returned sat
[2026-05-24 14:03:08] [INFO ] [Nat]Absence check using state equation in 49 ms returned sat
[2026-05-24 14:03:08] [INFO ] [Nat]Added 32 Read/Feed constraints in 55 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:08] [INFO ] Deduced a trap composed of 18 places in 81 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:08] [INFO ] Deduced a trap composed of 19 places in 79 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:08] [INFO ] Deduced a trap composed of 12 places in 68 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:08] [INFO ] Deduced a trap composed of 13 places in 78 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:08] [INFO ] Deduced a trap composed of 29 places in 83 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:08] [INFO ] Deduced a trap composed of 30 places in 95 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:09] [INFO ] Deduced a trap composed of 32 places in 90 ms of which 22 ms to minimize.
[2026-05-24 14:03:09] [INFO ] Trap strengthening (SAT) tested/added 8/7 trap constraints in 661 ms
[2026-05-24 14:03:09] [INFO ] Computed and/alt/rep : 133/831/133 causal constraints (skipped 27 transitions) in 7 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:09] [INFO ] Deduced a trap composed of 8 places in 52 ms of which 4 ms to minimize.
[2026-05-24 14:03:09] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 86 ms
[2026-05-24 14:03:09] [INFO ] Added : 103 causal constraints over 21 iterations in 867 ms. Result :sat
Minimization took 229 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 160 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 160/160 places, 161/161 transitions.
Applied a total of 0 rules in 2 ms. Remains 160 /160 variables (removed 0) and now considering 161/161 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 160/160 places, 161/161 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 160/160 places, 161/161 transitions.
Applied a total of 0 rules in 2 ms. Remains 160 /160 variables (removed 0) and now considering 161/161 (removed 0) transitions.
[2026-05-24 14:03:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 14:03:11] [INFO ] Implicit Places using invariants in 169 ms returned [120, 125]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 170 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 158/160 places, 161/161 transitions.
Applied a total of 0 rules in 4 ms. Remains 158 /158 variables (removed 0) and now considering 161/161 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 176 ms. Remains : 158/160 places, 161/161 transitions.
// Phase 1: matrix 161 rows 158 cols
[2026-05-24 14:03:11] [INFO ] Computed 24 invariants in 6 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (144214 resets) in 656 ms. (1522 steps per ms)
BEST_FIRST walk for 1000000 steps (91151 resets) in 459 ms. (2173 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-24 14:03:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 14:03:12] [INFO ] [Real]Absence check using 8 positive place invariants in 4 ms returned sat
[2026-05-24 14:03:12] [INFO ] [Real]Absence check using 8 positive and 16 generalized place invariants in 2 ms returned sat
[2026-05-24 14:03:12] [INFO ] [Real]Absence check using state equation in 74 ms returned sat
[2026-05-24 14:03:12] [INFO ] State equation strengthened by 30 read => feed constraints.
[2026-05-24 14:03:12] [INFO ] [Real]Added 30 Read/Feed constraints in 90 ms returned sat
[2026-05-24 14:03:12] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 14:03:12] [INFO ] [Nat]Absence check using 8 positive place invariants in 4 ms returned sat
[2026-05-24 14:03:12] [INFO ] [Nat]Absence check using 8 positive and 16 generalized place invariants in 3 ms returned sat
[2026-05-24 14:03:13] [INFO ] [Nat]Absence check using state equation in 77 ms returned sat
[2026-05-24 14:03:13] [INFO ] [Nat]Added 30 Read/Feed constraints in 73 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:13] [INFO ] Deduced a trap composed of 18 places in 72 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:13] [INFO ] Deduced a trap composed of 19 places in 70 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:13] [INFO ] Deduced a trap composed of 19 places in 69 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:13] [INFO ] Deduced a trap composed of 16 places in 65 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:13] [INFO ] Deduced a trap composed of 13 places in 64 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:13] [INFO ] Deduced a trap composed of 30 places in 72 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:13] [INFO ] Deduced a trap composed of 23 places in 69 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:13] [INFO ] Deduced a trap composed of 31 places in 77 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:13] [INFO ] Deduced a trap composed of 32 places in 76 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:13] [INFO ] Deduced a trap composed of 34 places in 82 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:14] [INFO ] Deduced a trap composed of 33 places in 77 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:14] [INFO ] Deduced a trap composed of 35 places in 79 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:14] [INFO ] Deduced a trap composed of 34 places in 77 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:14] [INFO ] Deduced a trap composed of 36 places in 77 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:14] [INFO ] Deduced a trap composed of 35 places in 78 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:14] [INFO ] Deduced a trap composed of 36 places in 79 ms of which 16 ms to minimize.
[2026-05-24 14:03:14] [INFO ] Trap strengthening (SAT) tested/added 17/16 trap constraints in 1416 ms
[2026-05-24 14:03:14] [INFO ] Computed and/alt/rep : 133/827/133 causal constraints (skipped 27 transitions) in 9 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:15] [INFO ] Deduced a trap composed of 12 places in 67 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:15] [INFO ] Deduced a trap composed of 46 places in 78 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:15] [INFO ] Deduced a trap composed of 49 places in 76 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:15] [INFO ] Deduced a trap composed of 49 places in 74 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:16] [INFO ] Deduced a trap composed of 48 places in 72 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:16] [INFO ] Deduced a trap composed of 51 places in 71 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:16] [INFO ] Deduced a trap composed of 51 places in 77 ms of which 14 ms to minimize.
[2026-05-24 14:03:16] [INFO ] Trap strengthening (SAT) tested/added 8/7 trap constraints in 740 ms
[2026-05-24 14:03:16] [INFO ] Added : 120 causal constraints over 25 iterations in 1794 ms. Result :sat
Minimization took 354 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 158 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 158/158 places, 161/161 transitions.
Applied a total of 0 rules in 2 ms. Remains 158 /158 variables (removed 0) and now considering 161/161 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 158/158 places, 161/161 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 158/158 places, 161/161 transitions.
Applied a total of 0 rules in 2 ms. Remains 158 /158 variables (removed 0) and now considering 161/161 (removed 0) transitions.
[2026-05-24 14:03:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 14:03:17] [INFO ] Implicit Places using invariants in 172 ms returned []
[2026-05-24 14:03:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 14:03:17] [INFO ] State equation strengthened by 30 read => feed constraints.
[2026-05-24 14:03:18] [INFO ] Implicit Places using invariants and state equation in 1182 ms returned [123]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 1358 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 157/158 places, 161/161 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 156 transition count 160
Applied a total of 2 rules in 8 ms. Remains 156 /157 variables (removed 1) and now considering 160/161 (removed 1) transitions.
// Phase 1: matrix 160 rows 156 cols
[2026-05-24 14:03:18] [INFO ] Computed 23 invariants in 9 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 14:03:18] [INFO ] Implicit Places using invariants in 187 ms returned []
[2026-05-24 14:03:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 14:03:18] [INFO ] State equation strengthened by 30 read => feed constraints.
[2026-05-24 14:03:19] [INFO ] Implicit Places using invariants and state equation in 946 ms returned []
Implicit Place search using SMT with State Equation took 1134 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 156/158 places, 160/161 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 2503 ms. Remains : 156/158 places, 160/161 transitions.
[2026-05-24 14:03:19] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (144200 resets) in 696 ms. (1434 steps per ms)
BEST_FIRST walk for 1000001 steps (91500 resets) in 498 ms. (2004 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-24 14:03:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 14:03:20] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-24 14:03:20] [INFO ] [Real]Absence check using 8 positive and 15 generalized place invariants in 2 ms returned sat
[2026-05-24 14:03:21] [INFO ] [Real]Absence check using state equation in 68 ms returned sat
[2026-05-24 14:03:21] [INFO ] State equation strengthened by 30 read => feed constraints.
[2026-05-24 14:03:21] [INFO ] [Real]Added 30 Read/Feed constraints in 65 ms returned sat
[2026-05-24 14:03:21] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 14:03:21] [INFO ] [Nat]Absence check using 8 positive place invariants in 4 ms returned sat
[2026-05-24 14:03:21] [INFO ] [Nat]Absence check using 8 positive and 15 generalized place invariants in 2 ms returned sat
[2026-05-24 14:03:21] [INFO ] [Nat]Absence check using state equation in 66 ms returned sat
[2026-05-24 14:03:21] [INFO ] [Nat]Added 30 Read/Feed constraints in 107 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:21] [INFO ] Deduced a trap composed of 18 places in 71 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:21] [INFO ] Deduced a trap composed of 19 places in 71 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:21] [INFO ] Deduced a trap composed of 16 places in 80 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:21] [INFO ] Deduced a trap composed of 16 places in 72 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:21] [INFO ] Deduced a trap composed of 13 places in 76 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:21] [INFO ] Deduced a trap composed of 13 places in 69 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:21] [INFO ] Deduced a trap composed of 29 places in 77 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:22] [INFO ] Deduced a trap composed of 30 places in 78 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:22] [INFO ] Deduced a trap composed of 32 places in 77 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:22] [INFO ] Deduced a trap composed of 33 places in 75 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:22] [INFO ] Deduced a trap composed of 29 places in 70 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:22] [INFO ] Deduced a trap composed of 32 places in 75 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:22] [INFO ] Deduced a trap composed of 30 places in 74 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:22] [INFO ] Deduced a trap composed of 33 places in 75 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:22] [INFO ] Deduced a trap composed of 31 places in 73 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:22] [INFO ] Deduced a trap composed of 34 places in 71 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:22] [INFO ] Deduced a trap composed of 32 places in 77 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:22] [INFO ] Deduced a trap composed of 35 places in 74 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:22] [INFO ] Deduced a trap composed of 22 places in 68 ms of which 11 ms to minimize.
[2026-05-24 14:03:23] [INFO ] Trap strengthening (SAT) tested/added 20/19 trap constraints in 1652 ms
[2026-05-24 14:03:23] [INFO ] Computed and/alt/rep : 132/824/132 causal constraints (skipped 27 transitions) in 9 ms.
[2026-05-24 14:03:23] [INFO ] Added : 111 causal constraints over 23 iterations in 814 ms. Result :sat
Minimization took 258 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 156 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 156/156 places, 160/160 transitions.
Applied a total of 0 rules in 5 ms. Remains 156 /156 variables (removed 0) and now considering 160/160 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 156/156 places, 160/160 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 156/156 places, 160/160 transitions.
Applied a total of 0 rules in 2 ms. Remains 156 /156 variables (removed 0) and now considering 160/160 (removed 0) transitions.
[2026-05-24 14:03:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 14:03:24] [INFO ] Implicit Places using invariants in 178 ms returned []
[2026-05-24 14:03:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 14:03:25] [INFO ] State equation strengthened by 30 read => feed constraints.
[2026-05-24 14:03:25] [INFO ] Implicit Places using invariants and state equation in 950 ms returned []
Implicit Place search using SMT with State Equation took 1130 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 14:03:25] [INFO ] Redundant transitions in 1 ms returned []
Running 159 sub problems to find dead transitions.
[2026-05-24 14:03:25] [INFO ] Invariant cache hit.
[2026-05-24 14:03:25] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 3 (OVERLAPS) 2/156 variables, 6/20 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 3/23 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 6 (OVERLAPS) 160/316 variables, 156/179 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/316 variables, 30/209 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/316 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 159 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/316 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 159 unsolved
No progress, stopping.
After SMT solving in domain Real declared 316/316 variables, and 209 constraints, problems are : Problem set: 0 solved, 159 unsolved in 8811 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 156/156 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 159/159 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 159 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 3 (OVERLAPS) 2/156 variables, 6/20 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 3/23 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 6 (OVERLAPS) 160/316 variables, 156/179 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/316 variables, 30/209 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/316 variables, 159/368 constraints. Problems are: Problem set: 0 solved, 159 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:39] [INFO ] Deduced a trap composed of 46 places in 67 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:39] [INFO ] Deduced a trap composed of 51 places in 65 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:39] [INFO ] Deduced a trap composed of 25 places in 72 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:39] [INFO ] Deduced a trap composed of 23 places in 74 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:39] [INFO ] Deduced a trap composed of 52 places in 73 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:40] [INFO ] Deduced a trap composed of 52 places in 59 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:41] [INFO ] Deduced a trap composed of 47 places in 73 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:41] [INFO ] Deduced a trap composed of 47 places in 79 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:41] [INFO ] Deduced a trap composed of 55 places in 77 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:41] [INFO ] Deduced a trap composed of 59 places in 70 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:41] [INFO ] Deduced a trap composed of 63 places in 70 ms of which 8 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/316 variables, 11/379 constraints. Problems are: Problem set: 0 solved, 159 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:45] [INFO ] Deduced a trap composed of 3 places in 71 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:45] [INFO ] Deduced a trap composed of 6 places in 61 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:46] [INFO ] Deduced a trap composed of 12 places in 48 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:46] [INFO ] Deduced a trap composed of 15 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:46] [INFO ] Deduced a trap composed of 16 places in 46 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:47] [INFO ] Deduced a trap composed of 22 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:47] [INFO ] Deduced a trap composed of 36 places in 84 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:47] [INFO ] Deduced a trap composed of 36 places in 87 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:47] [INFO ] Deduced a trap composed of 38 places in 81 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:47] [INFO ] Deduced a trap composed of 38 places in 75 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:47] [INFO ] Deduced a trap composed of 18 places in 69 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:48] [INFO ] Deduced a trap composed of 39 places in 77 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:48] [INFO ] Deduced a trap composed of 34 places in 75 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:48] [INFO ] Deduced a trap composed of 37 places in 78 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:48] [INFO ] Deduced a trap composed of 37 places in 79 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:48] [INFO ] Deduced a trap composed of 39 places in 79 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:48] [INFO ] Deduced a trap composed of 41 places in 76 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:48] [INFO ] Deduced a trap composed of 42 places in 74 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:49] [INFO ] Deduced a trap composed of 42 places in 79 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:49] [INFO ] Deduced a trap composed of 44 places in 75 ms of which 15 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/316 variables, 20/399 constraints. Problems are: Problem set: 0 solved, 159 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:03:56] [INFO ] Deduced a trap along path composed of 16 places in 51 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/316 variables, 1/400 constraints. Problems are: Problem set: 0 solved, 159 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:00] [INFO ] Deduced a trap composed of 10 places in 66 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:00] [INFO ] Deduced a trap composed of 23 places in 31 ms of which 2 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/316 variables, 2/402 constraints. Problems are: Problem set: 0 solved, 159 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 316/316 variables, and 402 constraints, problems are : Problem set: 0 solved, 159 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 156/156 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 159/159 constraints, Known Traps: 33/33 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 38867ms problems are : Problem set: 0 solved, 159 unsolved
Search for dead transitions found 0 dead transitions in 38868ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40009 ms. Remains : 156/156 places, 160/160 transitions.
[2026-05-24 14:04:04] [INFO ] Flatten gal took : 8 ms
[2026-05-24 14:04:04] [INFO ] Flatten gal took : 6 ms
[2026-05-24 14:04:04] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14794896529718905948.gal : 1 ms
[2026-05-24 14:04:04] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13286138880544958288.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality14794896529718905948.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13286138880544958288.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
RANDOM walk for 40000 steps (5735 resets) in 63 ms. (625 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (3685 resets) in 39 ms. (1000 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality13286138880544958288.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :2 after 6
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :6 after 8
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :8 after 14
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :14 after 27
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :27 after 40
BEST_FIRST walk for 40000 steps (3654 resets) in 56 ms. (701 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :40 after 168
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :168 after 261
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :261 after 743
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :743 after 5868
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :5868 after 24087
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :24087 after 43253
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :43253 after 120995
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :120995 after 259434
Interrupted probabilistic random walk after 511653 steps, run timeout after 3001 ms. (steps per millisecond=170 ) properties seen :0 out of 2
Probabilistic random walk after 511653 steps, saw 255869 distinct states, run finished after 3001 ms. (steps per millisecond=170 ) properties seen :0
[2026-05-24 14:04:07] [INFO ] Invariant cache hit.
[2026-05-24 14:04:07] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 28/29 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/29 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 65536
At refinement iteration 3 (OVERLAPS) 78/107 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD size :259434 after 550495
[2026-05-24 14:04:07] [INFO ] Deduced a trap composed of 75 places in 59 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:07] [INFO ] Deduced a trap composed of 75 places in 53 ms of which 6 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/107 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/107 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 42/149 variables, 15/23 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:08] [INFO ] Deduced a trap composed of 4 places in 66 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:08] [INFO ] Deduced a trap composed of 6 places in 58 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:08] [INFO ] Deduced a trap composed of 7 places in 61 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:08] [INFO ] Deduced a trap composed of 7 places in 58 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/149 variables, 4/27 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/149 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 159/308 variables, 149/176 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/308 variables, 28/204 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/308 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 8/316 variables, 7/211 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/316 variables, 2/213 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/316 variables, 2/215 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/316 variables, 0/215 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 0/316 variables, 0/215 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 316/316 variables, and 215 constraints, problems are : Problem set: 0 solved, 2 unsolved in 611 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 156/156 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 28/29 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/29 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 78/107 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/107 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/107 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 42/149 variables, 15/23 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/149 variables, 4/27 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:08] [INFO ] Deduced a trap composed of 9 places in 70 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:08] [INFO ] Deduced a trap composed of 10 places in 65 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:08] [INFO ] Deduced a trap composed of 10 places in 66 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:08] [INFO ] Deduced a trap composed of 10 places in 66 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:08] [INFO ] Deduced a trap composed of 12 places in 68 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:08] [INFO ] Deduced a trap composed of 13 places in 68 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:08] [INFO ] Deduced a trap composed of 13 places in 66 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:09] [INFO ] Deduced a trap composed of 15 places in 67 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:09] [INFO ] Deduced a trap composed of 15 places in 66 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:09] [INFO ] Deduced a trap composed of 16 places in 66 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:09] [INFO ] Deduced a trap composed of 16 places in 66 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:09] [INFO ] Deduced a trap composed of 19 places in 66 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:09] [INFO ] Deduced a trap composed of 19 places in 64 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:09] [INFO ] Deduced a trap composed of 45 places in 67 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:09] [INFO ] Deduced a trap composed of 47 places in 69 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:09] [INFO ] Deduced a trap composed of 18 places in 64 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:09] [INFO ] Deduced a trap composed of 50 places in 61 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:09] [INFO ] Deduced a trap composed of 22 places in 64 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:09] [INFO ] Deduced a trap composed of 50 places in 67 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:09] [INFO ] Deduced a trap composed of 47 places in 68 ms of which 13 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/149 variables, 20/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:10] [INFO ] Deduced a trap composed of 21 places in 68 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:10] [INFO ] Deduced a trap composed of 50 places in 65 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:10] [INFO ] Deduced a trap composed of 16 places in 63 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:10] [INFO ] Deduced a trap composed of 44 places in 66 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:10] [INFO ] Deduced a trap composed of 47 places in 72 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:10] [INFO ] Deduced a trap composed of 12 places in 62 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:10] [INFO ] Deduced a trap composed of 48 places in 66 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:10] [INFO ] Deduced a trap composed of 46 places in 69 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:10] [INFO ] Deduced a trap composed of 19 places in 65 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:10] [INFO ] Deduced a trap composed of 46 places in 69 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:10] [INFO ] Deduced a trap composed of 13 places in 45 ms of which 4 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/149 variables, 11/58 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/149 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 159/308 variables, 149/207 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/308 variables, 28/235 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/308 variables, 2/237 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:10] [INFO ] Deduced a trap composed of 22 places in 29 ms of which 3 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/308 variables, 1/238 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/308 variables, 0/238 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 8/316 variables, 7/245 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/316 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/316 variables, 2/249 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/316 variables, 0/249 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 0/316 variables, 0/249 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 316/316 variables, and 249 constraints, problems are : Problem set: 0 solved, 2 unsolved in 2712 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 156/156 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 38/38 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3336ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
SDD proceeding with computation,2 properties remain. new max is 131072
SDD size :550495 after 7.49868e+06
Parikh walk visited 0 properties in 1522 ms.
Support contains 1 out of 156 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 156/156 places, 160/160 transitions.
Applied a total of 0 rules in 2 ms. Remains 156 /156 variables (removed 0) and now considering 160/160 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 156/156 places, 160/160 transitions.
RANDOM walk for 40000 steps (5756 resets) in 74 ms. (533 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (3659 resets) in 54 ms. (727 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (3658 resets) in 51 ms. (769 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 519905 steps, run timeout after 3001 ms. (steps per millisecond=173 ) properties seen :0 out of 2
Probabilistic random walk after 519905 steps, saw 259997 distinct states, run finished after 3003 ms. (steps per millisecond=173 ) properties seen :0
[2026-05-24 14:04:15] [INFO ] Invariant cache hit.
[2026-05-24 14:04:15] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 28/29 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/29 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 78/107 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:15] [INFO ] Deduced a trap composed of 75 places in 66 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:15] [INFO ] Deduced a trap composed of 75 places in 60 ms of which 6 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/107 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/107 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 42/149 variables, 15/23 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:16] [INFO ] Deduced a trap composed of 4 places in 71 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:16] [INFO ] Deduced a trap composed of 6 places in 61 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:16] [INFO ] Deduced a trap composed of 7 places in 60 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:16] [INFO ] Deduced a trap composed of 7 places in 54 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/149 variables, 4/27 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/149 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 159/308 variables, 149/176 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/308 variables, 28/204 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/308 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 8/316 variables, 7/211 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/316 variables, 2/213 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/316 variables, 2/215 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/316 variables, 0/215 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 0/316 variables, 0/215 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 316/316 variables, and 215 constraints, problems are : Problem set: 0 solved, 2 unsolved in 611 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 156/156 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 28/29 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/29 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 78/107 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/107 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/107 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 42/149 variables, 15/23 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/149 variables, 4/27 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:16] [INFO ] Deduced a trap composed of 9 places in 77 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:16] [INFO ] Deduced a trap composed of 10 places in 68 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:16] [INFO ] Deduced a trap composed of 10 places in 62 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:16] [INFO ] Deduced a trap composed of 10 places in 61 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:16] [INFO ] Deduced a trap composed of 12 places in 64 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:16] [INFO ] Deduced a trap composed of 13 places in 60 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:16] [INFO ] Deduced a trap composed of 13 places in 77 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,2 properties remain. new max is 262144
SDD size :7.49868e+06 after 4.05415e+07
[2026-05-24 14:04:16] [INFO ] Deduced a trap composed of 15 places in 70 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:17] [INFO ] Deduced a trap composed of 15 places in 66 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:17] [INFO ] Deduced a trap composed of 16 places in 75 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:17] [INFO ] Deduced a trap composed of 16 places in 66 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:17] [INFO ] Deduced a trap composed of 19 places in 84 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:17] [INFO ] Deduced a trap composed of 19 places in 63 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:17] [INFO ] Deduced a trap composed of 45 places in 79 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:17] [INFO ] Deduced a trap composed of 47 places in 69 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:17] [INFO ] Deduced a trap composed of 18 places in 76 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:17] [INFO ] Deduced a trap composed of 50 places in 61 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:17] [INFO ] Deduced a trap composed of 22 places in 58 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:17] [INFO ] Deduced a trap composed of 50 places in 75 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:17] [INFO ] Deduced a trap composed of 47 places in 76 ms of which 13 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/149 variables, 20/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:17] [INFO ] Deduced a trap composed of 21 places in 72 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:18] [INFO ] Deduced a trap composed of 50 places in 61 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:18] [INFO ] Deduced a trap composed of 16 places in 60 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:18] [INFO ] Deduced a trap composed of 44 places in 76 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:18] [INFO ] Deduced a trap composed of 47 places in 71 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:18] [INFO ] Deduced a trap composed of 12 places in 68 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:18] [INFO ] Deduced a trap composed of 48 places in 74 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:18] [INFO ] Deduced a trap composed of 46 places in 77 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:18] [INFO ] Deduced a trap composed of 19 places in 74 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:18] [INFO ] Deduced a trap composed of 46 places in 81 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:18] [INFO ] Deduced a trap composed of 13 places in 54 ms of which 5 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/149 variables, 11/58 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/149 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 159/308 variables, 149/207 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/308 variables, 28/235 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/308 variables, 2/237 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:18] [INFO ] Deduced a trap composed of 22 places in 41 ms of which 3 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/308 variables, 1/238 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/308 variables, 0/238 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 8/316 variables, 7/245 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/316 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/316 variables, 2/249 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/316 variables, 0/249 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 0/316 variables, 0/249 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 316/316 variables, and 249 constraints, problems are : Problem set: 0 solved, 2 unsolved in 2778 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 156/156 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 38/38 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3395ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 2144 ms.
Support contains 1 out of 156 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 156/156 places, 160/160 transitions.
Applied a total of 0 rules in 3 ms. Remains 156 /156 variables (removed 0) and now considering 160/160 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 156/156 places, 160/160 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 156/156 places, 160/160 transitions.
Applied a total of 0 rules in 3 ms. Remains 156 /156 variables (removed 0) and now considering 160/160 (removed 0) transitions.
[2026-05-24 14:04:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 14:04:21] [INFO ] Implicit Places using invariants in 167 ms returned []
[2026-05-24 14:04:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 14:04:21] [INFO ] State equation strengthened by 30 read => feed constraints.
[2026-05-24 14:04:22] [INFO ] Implicit Places using invariants and state equation in 946 ms returned []
Implicit Place search using SMT with State Equation took 1115 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 14:04:22] [INFO ] Redundant transitions in 1 ms returned []
Running 159 sub problems to find dead transitions.
[2026-05-24 14:04:22] [INFO ] Invariant cache hit.
[2026-05-24 14:04:22] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 3 (OVERLAPS) 2/156 variables, 6/20 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 3/23 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 6 (OVERLAPS) 160/316 variables, 156/179 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/316 variables, 30/209 constraints. Problems are: Problem set: 0 solved, 159 unsolved
SDD proceeding with computation,2 properties remain. new max is 524288
SDD size :4.05415e+07 after 1.18052e+08
At refinement iteration 8 (INCLUDED_ONLY) 0/316 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 159 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/316 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 159 unsolved
No progress, stopping.
After SMT solving in domain Real declared 316/316 variables, and 209 constraints, problems are : Problem set: 0 solved, 159 unsolved in 8789 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 156/156 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 159/159 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 159 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 3 (OVERLAPS) 2/156 variables, 6/20 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 3/23 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 6 (OVERLAPS) 160/316 variables, 156/179 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/316 variables, 30/209 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/316 variables, 159/368 constraints. Problems are: Problem set: 0 solved, 159 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:35] [INFO ] Deduced a trap composed of 46 places in 71 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:35] [INFO ] Deduced a trap composed of 51 places in 62 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:36] [INFO ] Deduced a trap composed of 25 places in 73 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:36] [INFO ] Deduced a trap composed of 23 places in 72 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:36] [INFO ] Deduced a trap composed of 52 places in 78 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:36] [INFO ] Deduced a trap composed of 52 places in 64 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:37] [INFO ] Deduced a trap composed of 47 places in 75 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:37] [INFO ] Deduced a trap composed of 47 places in 79 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:37] [INFO ] Deduced a trap composed of 55 places in 71 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:38] [INFO ] Deduced a trap composed of 59 places in 61 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:38] [INFO ] Deduced a trap composed of 63 places in 65 ms of which 7 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/316 variables, 11/379 constraints. Problems are: Problem set: 0 solved, 159 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:41] [INFO ] Deduced a trap composed of 3 places in 63 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:41] [INFO ] Deduced a trap composed of 6 places in 58 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:42] [INFO ] Deduced a trap composed of 12 places in 49 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:43] [INFO ] Deduced a trap composed of 15 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:43] [INFO ] Deduced a trap composed of 16 places in 46 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:43] [INFO ] Deduced a trap composed of 22 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:43] [INFO ] Deduced a trap composed of 36 places in 76 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:43] [INFO ] Deduced a trap composed of 36 places in 75 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:44] [INFO ] Deduced a trap composed of 38 places in 78 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:44] [INFO ] Deduced a trap composed of 38 places in 76 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:44] [INFO ] Deduced a trap composed of 18 places in 70 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:44] [INFO ] Deduced a trap composed of 39 places in 74 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:44] [INFO ] Deduced a trap composed of 34 places in 74 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:44] [INFO ] Deduced a trap composed of 37 places in 77 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:45] [INFO ] Deduced a trap composed of 37 places in 76 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:45] [INFO ] Deduced a trap composed of 39 places in 77 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:45] [INFO ] Deduced a trap composed of 41 places in 74 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:45] [INFO ] Deduced a trap composed of 42 places in 79 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:45] [INFO ] Deduced a trap composed of 42 places in 74 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:45] [INFO ] Deduced a trap composed of 44 places in 73 ms of which 15 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/316 variables, 20/399 constraints. Problems are: Problem set: 0 solved, 159 unsolved
SDD proceeding with computation,2 properties remain. new max is 1048576
SDD size :1.18052e+08 after 2.85373e+08
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:52] [INFO ] Deduced a trap along path composed of 16 places in 53 ms of which 1 ms to minimize.
Detected timeout of ITS tools.
[2026-05-24 14:04:54] [INFO ] Flatten gal took : 6 ms
[2026-05-24 14:04:54] [INFO ] Applying decomposition
[2026-05-24 14:04:54] [INFO ] Flatten gal took : 5 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph16901776934796689320.txt' '-o' '/tmp/graph16901776934796689320.bin' '-w' '/tmp/graph16901776934796689320.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph16901776934796689320.bin' '-l' '-1' '-v' '-w' '/tmp/graph16901776934796689320.weights' '-q' '0' '-e' '0.001'
[2026-05-24 14:04:54] [INFO ] Decomposing Gal with order
[2026-05-24 14:04:54] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 14:04:54] [INFO ] Removed a total of 87 redundant transitions.
[2026-05-24 14:04:54] [INFO ] Flatten gal took : 9 ms
[2026-05-24 14:04:54] [INFO ] Fuse similar labels procedure discarded/fused a total of 78 labels/synchronizations in 1 ms.
[2026-05-24 14:04:54] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14927174354490083384.gal : 1 ms
[2026-05-24 14:04:54] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8838442650329605189.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality14927174354490083384.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8838442650329605189.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality8838442650329605189.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 14
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :14 after 40
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :40 after 1048
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :1048 after 2524
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :2524 after 50485
At refinement iteration 11 (INCLUDED_ONLY) 0/316 variables, 1/400 constraints. Problems are: Problem set: 0 solved, 159 unsolved
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :50485 after 177579
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:56] [INFO ] Deduced a trap composed of 10 places in 71 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:04:57] [INFO ] Deduced a trap composed of 23 places in 45 ms of which 3 ms to minimize.
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :177579 after 411453
At refinement iteration 12 (INCLUDED_ONLY) 0/316 variables, 2/402 constraints. Problems are: Problem set: 0 solved, 159 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 316/316 variables, and 402 constraints, problems are : Problem set: 0 solved, 159 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 156/156 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 159/159 constraints, Known Traps: 33/33 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 38857ms problems are : Problem set: 0 solved, 159 unsolved
Search for dead transitions found 0 dead transitions in 38858ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39981 ms. Remains : 156/156 places, 160/160 transitions.
Attempting over-approximation, by ignoring read arcs.
Performed 15 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 15 Pre rules applied. Total rules applied 0 place count 156 transition count 145
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 0 with 30 rules applied. Total rules applied 30 place count 141 transition count 145
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 37 place count 134 transition count 138
Iterating global reduction 0 with 7 rules applied. Total rules applied 44 place count 134 transition count 138
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 45 place count 134 transition count 137
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 46 place count 133 transition count 137
Applied a total of 46 rules in 7 ms. Remains 133 /156 variables (removed 23) and now considering 137/160 (removed 23) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 137 rows 133 cols
[2026-05-24 14:05:01] [INFO ] Computed 23 invariants in 5 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-24 14:05:01] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-24 14:05:01] [INFO ] [Real]Absence check using 4 positive and 19 generalized place invariants in 4 ms returned sat
[2026-05-24 14:05:01] [INFO ] After 54ms SMT Verify possible using state equation in real domain returned unsat :0 sat :2
[2026-05-24 14:05:01] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-24 14:05:01] [INFO ] After 16ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:2
[2026-05-24 14:05:01] [INFO ] After 110ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-24 14:05:01] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2026-05-24 14:05:01] [INFO ] [Nat]Absence check using 4 positive and 19 generalized place invariants in 4 ms returned sat
[2026-05-24 14:05:01] [INFO ] After 55ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2026-05-24 14:05:01] [INFO ] After 12ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2026-05-24 14:05:01] [INFO ] After 32ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2026-05-24 14:05:01] [INFO ] After 141ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2026-05-24 14:05:01] [INFO ] Flatten gal took : 7 ms
[2026-05-24 14:05:01] [INFO ] Flatten gal took : 5 ms
[2026-05-24 14:05:01] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8343892903454055159.gal : 1 ms
[2026-05-24 14:05:01] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9259389063781476971.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality8343892903454055159.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9259389063781476971.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality9259389063781476971.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :3 after 17
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :17 after 36
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :36 after 52
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :52 after 63
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :63 after 170
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :170 after 314
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :314 after 1286
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1286 after 3539
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :3539 after 12976
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :12976 after 30882
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :30882 after 68315
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :68315 after 157950
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :157950 after 342197
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :342197 after 739215
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :411453 after 792344
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :792344 after 8.2795e+06
SDD proceeding with computation,2 properties remain. new max is 131072
SDD size :739215 after 1.5474e+06
SDD proceeding with computation,2 properties remain. new max is 262144
SDD size :1.5474e+06 after 3.19932e+06
Detected timeout of ITS tools.
[2026-05-24 14:05:16] [INFO ] Flatten gal took : 10 ms
[2026-05-24 14:05:16] [INFO ] Applying decomposition
[2026-05-24 14:05:16] [INFO ] Flatten gal took : 4 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph10104130058219746695.txt' '-o' '/tmp/graph10104130058219746695.bin' '-w' '/tmp/graph10104130058219746695.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph10104130058219746695.bin' '-l' '-1' '-v' '-w' '/tmp/graph10104130058219746695.weights' '-q' '0' '-e' '0.001'
[2026-05-24 14:05:16] [INFO ] Decomposing Gal with order
[2026-05-24 14:05:16] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 14:05:16] [INFO ] Removed a total of 82 redundant transitions.
[2026-05-24 14:05:16] [INFO ] Flatten gal took : 8 ms
[2026-05-24 14:05:16] [INFO ] Fuse similar labels procedure discarded/fused a total of 28 labels/synchronizations in 1 ms.
[2026-05-24 14:05:16] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7987125282284177924.gal : 1 ms
[2026-05-24 14:05:16] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12263496632923927728.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality7987125282284177924.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12263496632923927728.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality12263496632923927728.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :360 after 363
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :96711 after 96813
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :96813 after 96817
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :96817 after 96956
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :96956 after 97088
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :97088 after 97356
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :97356 after 99538
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :251443 after 252371
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :252371 after 270987
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :8.2795e+06 after 1.1391e+08
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30400 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[1]
Ending property specific reduction for DoubleExponent-PT-010-UpperBounds-14 in 150108 ms.
Starting property specific reduction for DoubleExponent-PT-010-UpperBounds-15
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
// Phase 1: matrix 227 rows 223 cols
[2026-05-24 14:05:31] [INFO ] Computed 31 invariants in 16 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (1463 resets) in 12 ms. (769 steps per ms)
BEST_FIRST walk for 10001 steps (907 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2026-05-24 14:05:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 14:05:31] [INFO ] [Real]Absence check using 8 positive place invariants in 5 ms returned sat
[2026-05-24 14:05:31] [INFO ] [Real]Absence check using 8 positive and 23 generalized place invariants in 3 ms returned sat
[2026-05-24 14:05:31] [INFO ] [Real]Absence check using state equation in 129 ms returned sat
[2026-05-24 14:05:31] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 14:05:31] [INFO ] [Nat]Absence check using 8 positive place invariants in 5 ms returned sat
[2026-05-24 14:05:32] [INFO ] [Nat]Absence check using 8 positive and 23 generalized place invariants in 4 ms returned sat
[2026-05-24 14:05:32] [INFO ] [Nat]Absence check using state equation in 146 ms returned sat
[2026-05-24 14:05:32] [INFO ] State equation strengthened by 32 read => feed constraints.
[2026-05-24 14:05:32] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-24 14:05:32] [INFO ] [Nat]Added 32 Read/Feed constraints in 698 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:05:32] [INFO ] Deduced a trap composed of 14 places in 94 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:05:33] [INFO ] Deduced a trap composed of 14 places in 101 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:05:33] [INFO ] Deduced a trap composed of 55 places in 102 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:05:33] [INFO ] Deduced a trap composed of 56 places in 98 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:05:33] [INFO ] Deduced a trap composed of 56 places in 96 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:05:33] [INFO ] Deduced a trap composed of 57 places in 101 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:05:33] [INFO ] Deduced a trap composed of 56 places in 95 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:05:33] [INFO ] Deduced a trap composed of 57 places in 95 ms of which 20 ms to minimize.
[2026-05-24 14:05:34] [INFO ] Trap strengthening (SAT) tested/added 9/8 trap constraints in 1311 ms
[2026-05-24 14:05:34] [INFO ] Computed and/alt/rep : 193/1079/193 causal constraints (skipped 33 transitions) in 9 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:05:36] [INFO ] Deduced a trap composed of 8 places in 77 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:05:36] [INFO ] Deduced a trap composed of 24 places in 79 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:05:36] [INFO ] Deduced a trap composed of 30 places in 87 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:05:36] [INFO ] Deduced a trap composed of 50 places in 100 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:05:36] [INFO ] Deduced a trap composed of 50 places in 106 ms of which 28 ms to minimize.
[2026-05-24 14:05:36] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 702 ms
[2026-05-24 14:05:36] [INFO ] Added : 155 causal constraints over 32 iterations in 2763 ms. Result :sat
Minimization took 40 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[+inf]
Support contains 1 out of 223 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 223/223 places, 227/227 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 223 transition count 225
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 221 transition count 225
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 4 place count 221 transition count 223
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 8 place count 219 transition count 223
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 12 rules applied. Total rules applied 20 place count 213 transition count 217
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 26 place count 210 transition count 217
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 2 with 2 rules applied. Total rules applied 28 place count 210 transition count 215
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 30 place count 208 transition count 215
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 3 with 2 rules applied. Total rules applied 32 place count 208 transition count 215
Applied a total of 32 rules in 23 ms. Remains 208 /223 variables (removed 15) and now considering 215/227 (removed 12) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23 ms. Remains : 208/223 places, 215/227 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {19=1, 29=1, 45=1, 73=1, 95=1, 150=1, 165=1, 172=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {19=1, 29=1, 45=1, 73=1, 95=1, 150=1, 165=1, 172=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 1423 resets, run finished after 14 ms. (steps per millisecond=714 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0] Max Struct:[+inf]
// Phase 1: matrix 215 rows 208 cols
[2026-05-24 14:05:58] [INFO ] Computed 31 invariants in 11 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 1000000 steps (144291 resets) in 774 ms. (1290 steps per ms)
BEST_FIRST walk for 1000001 steps (91279 resets) in 527 ms. (1893 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2026-05-24 14:06:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 14:06:00] [INFO ] [Real]Absence check using 6 positive place invariants in 3 ms returned sat
[2026-05-24 14:06:00] [INFO ] [Real]Absence check using 6 positive and 25 generalized place invariants in 5 ms returned sat
[2026-05-24 14:06:00] [INFO ] [Real]Absence check using state equation in 91 ms returned sat
[2026-05-24 14:06:00] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 14:06:00] [INFO ] [Nat]Absence check using 6 positive place invariants in 3 ms returned sat
[2026-05-24 14:06:00] [INFO ] [Nat]Absence check using 6 positive and 25 generalized place invariants in 4 ms returned sat
[2026-05-24 14:06:00] [INFO ] [Nat]Absence check using state equation in 117 ms returned sat
[2026-05-24 14:06:00] [INFO ] State equation strengthened by 38 read => feed constraints.
[2026-05-24 14:06:00] [INFO ] [Nat]Added 38 Read/Feed constraints in 232 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:06:00] [INFO ] Deduced a trap composed of 11 places in 84 ms of which 6 ms to minimize.
[2026-05-24 14:06:00] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 113 ms
[2026-05-24 14:06:00] [INFO ] Computed and/alt/rep : 173/1082/173 causal constraints (skipped 41 transitions) in 10 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:06:02] [INFO ] Deduced a trap composed of 8 places in 67 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:06:02] [INFO ] Deduced a trap composed of 18 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:06:02] [INFO ] Deduced a trap composed of 19 places in 56 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:06:02] [INFO ] Deduced a trap composed of 16 places in 53 ms of which 4 ms to minimize.
[2026-05-24 14:06:02] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 412 ms
[2026-05-24 14:06:02] [INFO ] Added : 113 causal constraints over 23 iterations in 1923 ms. Result :sat
Minimization took 425 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[+inf]
Support contains 1 out of 208 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 208/208 places, 215/215 transitions.
Applied a total of 0 rules in 3 ms. Remains 208 /208 variables (removed 0) and now considering 215/215 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 208/208 places, 215/215 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 208/208 places, 215/215 transitions.
Applied a total of 0 rules in 3 ms. Remains 208 /208 variables (removed 0) and now considering 215/215 (removed 0) transitions.
[2026-05-24 14:06:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 14:06:05] [INFO ] Implicit Places using invariants in 300 ms returned []
[2026-05-24 14:06:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 14:06:05] [INFO ] State equation strengthened by 38 read => feed constraints.
[2026-05-24 14:06:07] [INFO ] Implicit Places using invariants and state equation in 2218 ms returned []
Implicit Place search using SMT with State Equation took 2519 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 14:06:07] [INFO ] Redundant transitions in 2 ms returned []
Running 214 sub problems to find dead transitions.
[2026-05-24 14:06:07] [INFO ] Invariant cache hit.
[2026-05-24 14:06:07] [INFO ] State equation strengthened by 38 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/207 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/207 variables, 25/27 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/207 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 3 (OVERLAPS) 1/208 variables, 4/31 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 5 (OVERLAPS) 215/423 variables, 208/239 constraints. Problems are: Problem set: 0 solved, 214 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/423 variables, 38/277 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/423 variables, 0/277 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 8 (OVERLAPS) 0/423 variables, 0/277 constraints. Problems are: Problem set: 0 solved, 214 unsolved
No progress, stopping.
After SMT solving in domain Real declared 423/423 variables, and 277 constraints, problems are : Problem set: 0 solved, 214 unsolved in 13599 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 208/208 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 214/214 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 214 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/207 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/207 variables, 25/27 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/207 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 3 (OVERLAPS) 1/208 variables, 4/31 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 5 (OVERLAPS) 215/423 variables, 208/239 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/423 variables, 38/277 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/423 variables, 214/491 constraints. Problems are: Problem set: 0 solved, 214 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:06:32] [INFO ] Deduced a trap composed of 4 places in 74 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:06:33] [INFO ] Deduced a trap composed of 7 places in 88 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:06:33] [INFO ] Deduced a trap composed of 10 places in 82 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:06:33] [INFO ] Deduced a trap composed of 12 places in 83 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:06:34] [INFO ] Deduced a trap composed of 22 places in 93 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:06:34] [INFO ] Deduced a trap composed of 46 places in 104 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:06:34] [INFO ] Deduced a trap composed of 46 places in 106 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:06:34] [INFO ] Deduced a trap composed of 48 places in 101 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:06:35] [INFO ] Deduced a trap composed of 44 places in 107 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:06:35] [INFO ] Deduced a trap composed of 43 places in 106 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:06:35] [INFO ] Deduced a trap composed of 45 places in 107 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:06:35] [INFO ] Deduced a trap composed of 45 places in 102 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:06:35] [INFO ] Deduced a trap composed of 48 places in 109 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:06:36] [INFO ] Deduced a trap composed of 49 places in 109 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:06:36] [INFO ] Deduced a trap composed of 50 places in 105 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:06:36] [INFO ] Deduced a trap composed of 50 places in 111 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:06:36] [INFO ] Deduced a trap composed of 54 places in 108 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:06:36] [INFO ] Deduced a trap composed of 13 places in 91 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:06:36] [INFO ] Deduced a trap composed of 54 places in 118 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:06:36] [INFO ] Deduced a trap composed of 56 places in 110 ms of which 29 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/423 variables, 20/511 constraints. Problems are: Problem set: 0 solved, 214 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:06:45] [INFO ] Deduced a trap composed of 48 places in 105 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:06:45] [INFO ] Deduced a trap composed of 56 places in 102 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:06:45] [INFO ] Deduced a trap composed of 57 places in 87 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:06:45] [INFO ] Deduced a trap composed of 58 places in 91 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:06:45] [INFO ] Deduced a trap composed of 65 places in 89 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:06:45] [INFO ] Deduced a trap composed of 66 places in 93 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:06:45] [INFO ] Deduced a trap composed of 70 places in 85 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:06:46] [INFO ] Deduced a trap composed of 86 places in 81 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:06:46] [INFO ] Deduced a trap composed of 70 places in 92 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:06:46] [INFO ] Deduced a trap composed of 82 places in 88 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:06:46] [INFO ] Deduced a trap composed of 82 places in 95 ms of which 17 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/423 variables, 11/522 constraints. Problems are: Problem set: 0 solved, 214 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 423/423 variables, and 522 constraints, problems are : Problem set: 0 solved, 214 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 208/208 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 214/214 constraints, Known Traps: 31/31 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 43661ms problems are : Problem set: 0 solved, 214 unsolved
Search for dead transitions found 0 dead transitions in 43662ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46195 ms. Remains : 208/208 places, 215/215 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {19=1, 29=1, 45=1, 73=1, 95=1, 150=1, 165=1, 172=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {19=1, 29=1, 45=1, 73=1, 95=1, 150=1, 165=1, 172=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 1463 resets, run finished after 11 ms. (steps per millisecond=909 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 40000 steps (5837 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
[2026-05-24 14:07:13] [INFO ] Flatten gal took : 12 ms
[2026-05-24 14:07:13] [INFO ] Flatten gal took : 7 ms
[2026-05-24 14:07:13] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10070287362224010738.gal : 2 ms
[2026-05-24 14:07:13] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6513924372875507952.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality10070287362224010738.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6513924372875507952.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40001 steps (3705 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality6513924372875507952.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :2 after 6
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :6 after 11
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :11 after 14
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :14 after 32
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :32 after 40
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :40 after 124
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :124 after 236
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :236 after 494
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :494 after 1101
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :1101 after 23429
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :23429 after 42516
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :42516 after 111882
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :111882 after 257814
Interrupted probabilistic random walk after 882498 steps, run timeout after 3001 ms. (steps per millisecond=294 ) properties seen :0 out of 1
Probabilistic random walk after 882498 steps, saw 441339 distinct states, run finished after 3001 ms. (steps per millisecond=294 ) properties seen :0
[2026-05-24 14:07:16] [INFO ] Invariant cache hit.
[2026-05-24 14:07:16] [INFO ] State equation strengthened by 38 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 8/9 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/9 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 84/93 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/93 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 88/181 variables, 15/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/181 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 22/203 variables, 8/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/203 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 215/418 variables, 203/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/418 variables, 38/270 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/418 variables, 0/270 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 5/423 variables, 5/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/423 variables, 2/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/423 variables, 0/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/423 variables, 0/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 423/423 variables, and 277 constraints, problems are : Problem set: 0 solved, 1 unsolved in 149 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 208/208 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 8/9 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/9 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 84/93 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:07:16] [INFO ] Deduced a trap composed of 27 places in 34 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/93 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/93 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 88/181 variables, 15/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:07:16] [INFO ] Deduced a trap composed of 7 places in 66 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/181 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/181 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 22/203 variables, 8/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:07:16] [INFO ] Deduced a trap composed of 3 places in 93 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:07:16] [INFO ] Deduced a trap composed of 4 places in 85 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:07:16] [INFO ] Deduced a trap composed of 9 places in 85 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:07:16] [INFO ] Deduced a trap composed of 10 places in 86 ms of which 8 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/203 variables, 4/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/203 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :257814 after 541587
At refinement iteration 12 (OVERLAPS) 215/418 variables, 203/238 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/418 variables, 38/276 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/418 variables, 1/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:07:17] [INFO ] Deduced a trap composed of 31 places in 99 ms of which 20 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/418 variables, 1/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/418 variables, 0/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 5/423 variables, 5/283 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/423 variables, 2/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/423 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/423 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 423/423 variables, and 285 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1227 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 208/208 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1382ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 644 ms.
Support contains 1 out of 208 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 208/208 places, 215/215 transitions.
Applied a total of 0 rules in 3 ms. Remains 208 /208 variables (removed 0) and now considering 215/215 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 208/208 places, 215/215 transitions.
RANDOM walk for 40000 steps (5730 resets) in 86 ms. (459 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (3660 resets) in 37 ms. (1052 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 878722 steps, run timeout after 3001 ms. (steps per millisecond=292 ) properties seen :0 out of 1
Probabilistic random walk after 878722 steps, saw 439446 distinct states, run finished after 3001 ms. (steps per millisecond=292 ) properties seen :0
[2026-05-24 14:07:21] [INFO ] Invariant cache hit.
[2026-05-24 14:07:21] [INFO ] State equation strengthened by 38 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 8/9 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/9 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 84/93 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/93 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 88/181 variables, 15/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/181 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 22/203 variables, 8/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/203 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 215/418 variables, 203/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/418 variables, 38/270 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/418 variables, 0/270 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 5/423 variables, 5/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/423 variables, 2/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/423 variables, 0/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/423 variables, 0/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 423/423 variables, and 277 constraints, problems are : Problem set: 0 solved, 1 unsolved in 154 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 208/208 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 8/9 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/9 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 84/93 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:07:21] [INFO ] Deduced a trap composed of 27 places in 35 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/93 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/93 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 88/181 variables, 15/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:07:21] [INFO ] Deduced a trap composed of 7 places in 62 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/181 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/181 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 22/203 variables, 8/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:07:21] [INFO ] Deduced a trap composed of 3 places in 86 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:07:21] [INFO ] Deduced a trap composed of 4 places in 82 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:07:21] [INFO ] Deduced a trap composed of 9 places in 87 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:07:21] [INFO ] Deduced a trap composed of 10 places in 87 ms of which 9 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/203 variables, 4/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/203 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 131072
At refinement iteration 12 (OVERLAPS) 215/418 variables, 203/238 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD size :541587 after 3.71758e+07
At refinement iteration 13 (INCLUDED_ONLY) 0/418 variables, 38/276 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/418 variables, 1/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:07:22] [INFO ] Deduced a trap composed of 31 places in 102 ms of which 19 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/418 variables, 1/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/418 variables, 0/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 5/423 variables, 5/283 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/423 variables, 2/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/423 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/423 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 423/423 variables, and 285 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1211 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 208/208 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1369ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 645 ms.
Support contains 1 out of 208 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 208/208 places, 215/215 transitions.
Applied a total of 0 rules in 4 ms. Remains 208 /208 variables (removed 0) and now considering 215/215 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 208/208 places, 215/215 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 208/208 places, 215/215 transitions.
Applied a total of 0 rules in 3 ms. Remains 208 /208 variables (removed 0) and now considering 215/215 (removed 0) transitions.
[2026-05-24 14:07:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 14:07:23] [INFO ] Implicit Places using invariants in 289 ms returned []
[2026-05-24 14:07:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 14:07:23] [INFO ] State equation strengthened by 38 read => feed constraints.
[2026-05-24 14:07:25] [INFO ] Implicit Places using invariants and state equation in 2252 ms returned []
Implicit Place search using SMT with State Equation took 2542 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 14:07:25] [INFO ] Redundant transitions in 2 ms returned []
Running 214 sub problems to find dead transitions.
[2026-05-24 14:07:25] [INFO ] Invariant cache hit.
[2026-05-24 14:07:25] [INFO ] State equation strengthened by 38 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/207 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/207 variables, 25/27 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/207 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 3 (OVERLAPS) 1/208 variables, 4/31 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 5 (OVERLAPS) 215/423 variables, 208/239 constraints. Problems are: Problem set: 0 solved, 214 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/423 variables, 38/277 constraints. Problems are: Problem set: 0 solved, 214 unsolved
SDD proceeding with computation,1 properties remain. new max is 262144
At refinement iteration 7 (INCLUDED_ONLY) 0/423 variables, 0/277 constraints. Problems are: Problem set: 0 solved, 214 unsolved
SDD size :3.71758e+07 after 2.5749e+08
At refinement iteration 8 (OVERLAPS) 0/423 variables, 0/277 constraints. Problems are: Problem set: 0 solved, 214 unsolved
No progress, stopping.
After SMT solving in domain Real declared 423/423 variables, and 277 constraints, problems are : Problem set: 0 solved, 214 unsolved in 13763 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 208/208 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 214/214 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 214 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/207 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/207 variables, 25/27 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/207 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 3 (OVERLAPS) 1/208 variables, 4/31 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 5 (OVERLAPS) 215/423 variables, 208/239 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/423 variables, 38/277 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/423 variables, 214/491 constraints. Problems are: Problem set: 0 solved, 214 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:07:51] [INFO ] Deduced a trap composed of 4 places in 83 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:07:51] [INFO ] Deduced a trap composed of 7 places in 84 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:07:52] [INFO ] Deduced a trap composed of 10 places in 89 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:07:52] [INFO ] Deduced a trap composed of 12 places in 91 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:07:52] [INFO ] Deduced a trap composed of 22 places in 90 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:07:52] [INFO ] Deduced a trap composed of 46 places in 96 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:07:52] [INFO ] Deduced a trap composed of 46 places in 97 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:07:53] [INFO ] Deduced a trap composed of 48 places in 94 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:07:53] [INFO ] Deduced a trap composed of 44 places in 102 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:07:53] [INFO ] Deduced a trap composed of 43 places in 100 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:07:54] [INFO ] Deduced a trap composed of 45 places in 102 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:07:54] [INFO ] Deduced a trap composed of 45 places in 90 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:07:54] [INFO ] Deduced a trap composed of 48 places in 100 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:07:54] [INFO ] Deduced a trap composed of 49 places in 105 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:07:54] [INFO ] Deduced a trap composed of 50 places in 96 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:07:54] [INFO ] Deduced a trap composed of 50 places in 101 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:07:54] [INFO ] Deduced a trap composed of 54 places in 102 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:07:55] [INFO ] Deduced a trap composed of 13 places in 81 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:07:55] [INFO ] Deduced a trap composed of 54 places in 110 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:07:55] [INFO ] Deduced a trap composed of 56 places in 106 ms of which 29 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/423 variables, 20/511 constraints. Problems are: Problem set: 0 solved, 214 unsolved
Detected timeout of ITS tools.
[2026-05-24 14:08:03] [INFO ] Flatten gal took : 8 ms
[2026-05-24 14:08:03] [INFO ] Applying decomposition
[2026-05-24 14:08:03] [INFO ] Flatten gal took : 8 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph14341457157073341324.txt' '-o' '/tmp/graph14341457157073341324.bin' '-w' '/tmp/graph14341457157073341324.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph14341457157073341324.bin' '-l' '-1' '-v' '-w' '/tmp/graph14341457157073341324.weights' '-q' '0' '-e' '0.001'
[2026-05-24 14:08:03] [INFO ] Decomposing Gal with order
[2026-05-24 14:08:03] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 14:08:03] [INFO ] Removed a total of 105 redundant transitions.
[2026-05-24 14:08:03] [INFO ] Flatten gal took : 13 ms
[2026-05-24 14:08:03] [INFO ] Fuse similar labels procedure discarded/fused a total of 92 labels/synchronizations in 3 ms.
[2026-05-24 14:08:03] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1058210607512954282.gal : 3 ms
[2026-05-24 14:08:03] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4702413245062350083.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality1058210607512954282.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4702413245062350083.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality4702413245062350083.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 17
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :17 after 27
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :27 after 40
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :40 after 137
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:08:03] [INFO ] Deduced a trap composed of 48 places in 94 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:08:03] [INFO ] Deduced a trap composed of 56 places in 97 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:08:03] [INFO ] Deduced a trap composed of 57 places in 94 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:08:04] [INFO ] Deduced a trap composed of 58 places in 96 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:08:04] [INFO ] Deduced a trap composed of 65 places in 99 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:08:04] [INFO ] Deduced a trap composed of 66 places in 95 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:08:04] [INFO ] Deduced a trap composed of 70 places in 105 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:08:04] [INFO ] Deduced a trap composed of 86 places in 80 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:08:04] [INFO ] Deduced a trap composed of 70 places in 88 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:08:04] [INFO ] Deduced a trap composed of 82 places in 86 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:08:05] [INFO ] Deduced a trap composed of 82 places in 90 ms of which 17 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/423 variables, 11/522 constraints. Problems are: Problem set: 0 solved, 214 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 423/423 variables, and 522 constraints, problems are : Problem set: 0 solved, 214 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 208/208 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 214/214 constraints, Known Traps: 31/31 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 43824ms problems are : Problem set: 0 solved, 214 unsolved
Search for dead transitions found 0 dead transitions in 43827ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46381 ms. Remains : 208/208 places, 215/215 transitions.
Attempting over-approximation, by ignoring read arcs.
Performed 18 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 18 Pre rules applied. Total rules applied 0 place count 208 transition count 197
Deduced a syphon composed of 18 places in 1 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 0 with 36 rules applied. Total rules applied 36 place count 190 transition count 197
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 44 place count 182 transition count 189
Iterating global reduction 0 with 8 rules applied. Total rules applied 52 place count 182 transition count 189
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 54 place count 181 transition count 188
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 0 with 2 rules applied. Total rules applied 56 place count 181 transition count 186
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 58 place count 179 transition count 186
Applied a total of 58 rules in 14 ms. Remains 179 /208 variables (removed 29) and now considering 186/215 (removed 29) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 186 rows 179 cols
[2026-05-24 14:08:09] [INFO ] Computed 31 invariants in 16 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-24 14:08:09] [INFO ] After 41ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-24 14:08:09] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2026-05-24 14:08:09] [INFO ] [Nat]Absence check using 13 positive and 18 generalized place invariants in 3 ms returned sat
[2026-05-24 14:08:09] [INFO ] After 100ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2026-05-24 14:08:09] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-24 14:08:09] [INFO ] After 13ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:08:10] [INFO ] Deduced a trap composed of 37 places in 111 ms of which 32 ms to minimize.
[2026-05-24 14:08:10] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 133 ms
TRAPS : Iteration 1
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:08:10] [INFO ] Deduced a trap composed of 22 places in 90 ms of which 13 ms to minimize.
[2026-05-24 14:08:10] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 112 ms
TRAPS : Iteration 2
[2026-05-24 14:08:10] [INFO ] After 297ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-24 14:08:10] [INFO ] After 474ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2026-05-24 14:08:10] [INFO ] Flatten gal took : 8 ms
[2026-05-24 14:08:10] [INFO ] Flatten gal took : 7 ms
[2026-05-24 14:08:10] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1677954739751773652.gal : 1 ms
[2026-05-24 14:08:10] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7679405494540383802.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality1677954739751773652.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7679405494540383802.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality7679405494540383802.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :3 after 13
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :13 after 36
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :36 after 52
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :52 after 63
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :63 after 172
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :172 after 370
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :370 after 1345
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1345 after 3495
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :3495 after 10385
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :10385 after 22659
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :22659 after 49915
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :49915 after 106015
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :106015 after 223062
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :223062 after 459526
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :137 after 746817
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :746817 after 758822
SDD proceeding with computation,1 properties remain. new max is 131072
SDD size :459526 after 937885
SDD proceeding with computation,1 properties remain. new max is 262144
SDD size :937885 after 1.90324e+06
Detected timeout of ITS tools.
[2026-05-24 14:08:25] [INFO ] Flatten gal took : 12 ms
[2026-05-24 14:08:25] [INFO ] Applying decomposition
[2026-05-24 14:08:25] [INFO ] Flatten gal took : 8 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph6045476527297758386.txt' '-o' '/tmp/graph6045476527297758386.bin' '-w' '/tmp/graph6045476527297758386.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph6045476527297758386.bin' '-l' '-1' '-v' '-w' '/tmp/graph6045476527297758386.weights' '-q' '0' '-e' '0.001'
[2026-05-24 14:08:25] [INFO ] Decomposing Gal with order
[2026-05-24 14:08:25] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 14:08:25] [INFO ] Removed a total of 125 redundant transitions.
[2026-05-24 14:08:25] [INFO ] Flatten gal took : 13 ms
[2026-05-24 14:08:25] [INFO ] Fuse similar labels procedure discarded/fused a total of 36 labels/synchronizations in 2 ms.
[2026-05-24 14:08:25] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2602622829927830419.gal : 2 ms
[2026-05-24 14:08:25] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17860916808125526580.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality2602622829927830419.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17860916808125526580.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality17860916808125526580.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :3278 after 3296
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :758822 after 974881
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30706 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[+inf]
Ending property specific reduction for DoubleExponent-PT-010-UpperBounds-15 in 188659 ms.
[2026-05-24 14:08:40] [INFO ] Flatten gal took : 8 ms
[2026-05-24 14:08:40] [INFO ] Applying decomposition
[2026-05-24 14:08:40] [INFO ] Flatten gal took : 6 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph12891782089263722861.txt' '-o' '/tmp/graph12891782089263722861.bin' '-w' '/tmp/graph12891782089263722861.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph12891782089263722861.bin' '-l' '-1' '-v' '-w' '/tmp/graph12891782089263722861.weights' '-q' '0' '-e' '0.001'
[2026-05-24 14:08:40] [INFO ] Decomposing Gal with order
[2026-05-24 14:08:40] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 14:08:40] [INFO ] Removed a total of 103 redundant transitions.
[2026-05-24 14:08:40] [INFO ] Flatten gal took : 12 ms
[2026-05-24 14:08:40] [INFO ] Fuse similar labels procedure discarded/fused a total of 68 labels/synchronizations in 2 ms.
[2026-05-24 14:08:40] [INFO ] Time to serialize gal into /tmp/UpperBounds8975402607878468607.gal : 2 ms
[2026-05-24 14:08:40] [INFO ] Time to serialize properties into /tmp/UpperBounds8513290847007889606.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds8975402607878468607.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds8513290847007889606.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...283
Loading property file /tmp/UpperBounds8513290847007889606.prop.

BK_TIME_CONFINEMENT_REACHED

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600