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.r127-smll-177955743800033.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 EisenbergMcGuire-PT-06, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r127-smll-177955743800033
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 12K Mar 7 05:23 CTLCardinality.txt
-rw-r--r-- 1 mcc users 125K Mar 7 05:23 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.6K Mar 7 05:23 CTLFireability.txt
-rw-r--r-- 1 mcc users 60K Mar 7 05:23 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.1K Mar 15 09:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 09:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.2K Mar 15 09:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K Mar 15 09:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.8K Mar 7 05:23 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 69K Mar 7 05:23 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 7 05:23 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 65K Mar 7 05:23 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 09:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 09:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 753K 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 EisenbergMcGuire-PT-06-UpperBounds-00
FORMULA_NAME EisenbergMcGuire-PT-06-UpperBounds-01
FORMULA_NAME EisenbergMcGuire-PT-06-UpperBounds-02
FORMULA_NAME EisenbergMcGuire-PT-06-UpperBounds-03
FORMULA_NAME EisenbergMcGuire-PT-06-UpperBounds-04
FORMULA_NAME EisenbergMcGuire-PT-06-UpperBounds-05
FORMULA_NAME EisenbergMcGuire-PT-06-UpperBounds-06
FORMULA_NAME EisenbergMcGuire-PT-06-UpperBounds-07
FORMULA_NAME EisenbergMcGuire-PT-06-UpperBounds-08
FORMULA_NAME EisenbergMcGuire-PT-06-UpperBounds-09
FORMULA_NAME EisenbergMcGuire-PT-06-UpperBounds-10
FORMULA_NAME EisenbergMcGuire-PT-06-UpperBounds-11
FORMULA_NAME EisenbergMcGuire-PT-06-UpperBounds-12
FORMULA_NAME EisenbergMcGuire-PT-06-UpperBounds-13
FORMULA_NAME EisenbergMcGuire-PT-06-UpperBounds-14
FORMULA_NAME EisenbergMcGuire-PT-06-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779568720310

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=EisenbergMcGuire-PT-06
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-23 20:38:42] [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]
[2026-05-23 20:38:42] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 20:38:42] [INFO ] Load time of PNML (sax parser for PT used): 242 ms
[2026-05-23 20:38:42] [INFO ] Transformed 414 places.
[2026-05-23 20:38:42] [INFO ] Transformed 1296 transitions.
[2026-05-23 20:38:42] [INFO ] Found NUPN structural information;
[2026-05-23 20:38:42] [INFO ] Parsed PT model containing 414 places and 1296 transitions and 5976 arcs in 400 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 10 ms.
Current structural bounds on expressions (Initiallly, because the net is safe) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
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:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2026-05-23 20:38:42] [INFO ] Flow matrix only has 702 transitions (discarded 594 similar events)
// Phase 1: matrix 702 rows 414 cols
[2026-05-23 20:38:42] [INFO ] Computed 19 invariants in 37 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
RANDOM walk for 10000 steps (2 resets) in 63 ms. (156 steps per ms)
FORMULA EisenbergMcGuire-PT-06-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA EisenbergMcGuire-PT-06-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA EisenbergMcGuire-PT-06-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA EisenbergMcGuire-PT-06-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA EisenbergMcGuire-PT-06-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA EisenbergMcGuire-PT-06-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA EisenbergMcGuire-PT-06-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA EisenbergMcGuire-PT-06-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA EisenbergMcGuire-PT-06-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 70007 steps (14 resets) in 93 ms. (744 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1]
[2026-05-23 20:38:42] [INFO ] Flow matrix only has 702 transitions (discarded 594 similar events)
[2026-05-23 20:38:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 20:38:43] [INFO ] [Real]Absence check using 13 positive place invariants in 23 ms returned sat
[2026-05-23 20:38:43] [INFO ] [Real]Absence check using 13 positive and 6 generalized place invariants in 5 ms returned sat
[2026-05-23 20:38:43] [INFO ] [Real]Absence check using state equation in 362 ms returned sat
[2026-05-23 20:38:43] [INFO ] State equation strengthened by 314 read => feed constraints.
[2026-05-23 20:38:43] [INFO ] [Real]Added 314 Read/Feed constraints in 71 ms returned sat
[2026-05-23 20:38:44] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 20:38:44] [INFO ] [Nat]Absence check using 13 positive place invariants in 22 ms returned sat
[2026-05-23 20:38:44] [INFO ] [Nat]Absence check using 13 positive and 6 generalized place invariants in 6 ms returned sat
[2026-05-23 20:38:44] [INFO ] [Nat]Absence check using state equation in 327 ms returned sat
[2026-05-23 20:38:44] [INFO ] [Nat]Added 314 Read/Feed constraints in 65 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:38:45] [INFO ] Deduced a trap composed of 3 places in 347 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:38:45] [INFO ] Deduced a trap composed of 20 places in 343 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:38:45] [INFO ] Deduced a trap composed of 26 places in 364 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:38:46] [INFO ] Deduced a trap composed of 3 places in 348 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:38:46] [INFO ] Deduced a trap composed of 3 places in 312 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:38:46] [INFO ] Deduced a trap composed of 3 places in 209 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:38:47] [INFO ] Deduced a trap composed of 23 places in 343 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:38:47] [INFO ] Deduced a trap composed of 14 places in 305 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:38:47] [INFO ] Deduced a trap composed of 3 places in 175 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:38:48] [INFO ] Deduced a trap composed of 32 places in 189 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:38:48] [INFO ] Deduced a trap composed of 3 places in 148 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:38:48] [INFO ] Deduced a trap composed of 35 places in 111 ms of which 8 ms to minimize.
[2026-05-23 20:38:48] [INFO ] Trap strengthening (SAT) tested/added 13/12 trap constraints in 3875 ms
[2026-05-23 20:38:48] [INFO ] Computed and/alt/rep : 499/1075/409 causal constraints (skipped 287 transitions) in 88 ms.
[2026-05-23 20:38:49] [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
[2026-05-23 20:38:49] [INFO ] [Real]Absence check using 13 positive place invariants in 18 ms returned sat
[2026-05-23 20:38:49] [INFO ] [Real]Absence check using 13 positive and 6 generalized place invariants in 6 ms returned sat
[2026-05-23 20:38:49] [INFO ] [Real]Absence check using state equation in 350 ms returned sat
[2026-05-23 20:38:49] [INFO ] [Real]Added 314 Read/Feed constraints in 58 ms returned sat
[2026-05-23 20:38:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 20:38:49] [INFO ] [Nat]Absence check using 13 positive place invariants in 21 ms returned sat
[2026-05-23 20:38:49] [INFO ] [Nat]Absence check using 13 positive and 6 generalized place invariants in 6 ms returned sat
[2026-05-23 20:38:50] [INFO ] [Nat]Absence check using state equation in 281 ms returned sat
[2026-05-23 20:38:50] [INFO ] [Nat]Added 314 Read/Feed constraints in 57 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:38:50] [INFO ] Deduced a trap composed of 3 places in 255 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:38:50] [INFO ] Deduced a trap composed of 20 places in 289 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:38:51] [INFO ] Deduced a trap composed of 3 places in 285 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:38:51] [INFO ] Deduced a trap composed of 23 places in 304 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:38:51] [INFO ] Deduced a trap composed of 26 places in 309 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:38:52] [INFO ] Deduced a trap composed of 3 places in 287 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:38:52] [INFO ] Deduced a trap composed of 3 places in 222 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:38:52] [INFO ] Deduced a trap composed of 3 places in 222 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:38:52] [INFO ] Deduced a trap composed of 26 places in 212 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:38:53] [INFO ] Deduced a trap composed of 32 places in 175 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:38:53] [INFO ] Deduced a trap composed of 35 places in 127 ms of which 16 ms to minimize.
[2026-05-23 20:38:53] [INFO ] Trap strengthening (SAT) tested/added 12/11 trap constraints in 3242 ms
[2026-05-23 20:38:53] [INFO ] Computed and/alt/rep : 499/1075/409 causal constraints (skipped 287 transitions) in 87 ms.
[2026-05-23 20:38:54] [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 1
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.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
[2026-05-23 20:38:54] [INFO ] [Real]Absence check using 13 positive place invariants in 16 ms returned sat
[2026-05-23 20:38:54] [INFO ] [Real]Absence check using 13 positive and 6 generalized place invariants in 5 ms returned sat
[2026-05-23 20:38:55] [INFO ] [Real]Absence check using state equation in 275 ms returned sat
[2026-05-23 20:38:55] [INFO ] [Real]Added 314 Read/Feed constraints in 66 ms returned sat
[2026-05-23 20:38:55] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 20:38:55] [INFO ] [Nat]Absence check using 13 positive place invariants in 19 ms returned sat
[2026-05-23 20:38:55] [INFO ] [Nat]Absence check using 13 positive and 6 generalized place invariants in 6 ms returned sat
[2026-05-23 20:38:55] [INFO ] [Nat]Absence check using state equation in 274 ms returned sat
[2026-05-23 20:38:55] [INFO ] [Nat]Added 314 Read/Feed constraints in 52 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:38:56] [INFO ] Deduced a trap composed of 20 places in 343 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:38:56] [INFO ] Deduced a trap composed of 26 places in 314 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:38:56] [INFO ] Deduced a trap composed of 3 places in 329 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:38:57] [INFO ] Deduced a trap composed of 3 places in 322 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:38:57] [INFO ] Deduced a trap composed of 3 places in 216 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:38:57] [INFO ] Deduced a trap composed of 23 places in 273 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:38:57] [INFO ] Deduced a trap composed of 26 places in 175 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:38:58] [INFO ] Deduced a trap composed of 3 places in 146 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:38:58] [INFO ] Deduced a trap composed of 14 places in 154 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:38:58] [INFO ] Deduced a trap composed of 29 places in 152 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:38:58] [INFO ] Deduced a trap composed of 3 places in 89 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:38:58] [INFO ] Deduced a trap composed of 3 places in 63 ms of which 4 ms to minimize.
[2026-05-23 20:38:58] [INFO ] Trap strengthening (SAT) tested/added 13/12 trap constraints in 3179 ms
[2026-05-23 20:38:58] [INFO ] Computed and/alt/rep : 499/1075/409 causal constraints (skipped 287 transitions) in 80 ms.
Maximisation of solution failed !
Minimization took 1 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 20:39:00] [INFO ] [Real]Absence check using 13 positive place invariants in 17 ms returned sat
[2026-05-23 20:39:00] [INFO ] [Real]Absence check using 13 positive and 6 generalized place invariants in 6 ms returned sat
[2026-05-23 20:39:00] [INFO ] [Real]Absence check using state equation in 268 ms returned sat
[2026-05-23 20:39:00] [INFO ] [Real]Added 314 Read/Feed constraints in 76 ms returned sat
[2026-05-23 20:39:00] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 20:39:00] [INFO ] [Nat]Absence check using 13 positive place invariants in 19 ms returned sat
[2026-05-23 20:39:00] [INFO ] [Nat]Absence check using 13 positive and 6 generalized place invariants in 16 ms returned sat
[2026-05-23 20:39:01] [INFO ] [Nat]Absence check using state equation in 278 ms returned sat
[2026-05-23 20:39:01] [INFO ] [Nat]Added 314 Read/Feed constraints in 78 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:01] [INFO ] Deduced a trap composed of 23 places in 253 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:01] [INFO ] Deduced a trap composed of 3 places in 199 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:02] [INFO ] Deduced a trap composed of 32 places in 196 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:02] [INFO ] Deduced a trap composed of 3 places in 188 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:02] [INFO ] Deduced a trap composed of 26 places in 163 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:02] [INFO ] Deduced a trap composed of 3 places in 138 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:02] [INFO ] Deduced a trap composed of 38 places in 114 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:02] [INFO ] Deduced a trap composed of 3 places in 63 ms of which 4 ms to minimize.
[2026-05-23 20:39:03] [INFO ] Trap strengthening (SAT) tested/added 9/8 trap constraints in 1699 ms
[2026-05-23 20:39:03] [INFO ] Computed and/alt/rep : 499/1075/409 causal constraints (skipped 287 transitions) in 76 ms.
[2026-05-23 20:39:05] [INFO ] Added : 185 causal constraints over 37 iterations in 2794 ms. Result :unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 20:39:05] [INFO ] [Real]Absence check using 13 positive place invariants in 17 ms returned sat
[2026-05-23 20:39:05] [INFO ] [Real]Absence check using 13 positive and 6 generalized place invariants in 6 ms returned sat
[2026-05-23 20:39:06] [INFO ] [Real]Absence check using state equation in 289 ms returned sat
[2026-05-23 20:39:06] [INFO ] [Real]Added 314 Read/Feed constraints in 69 ms returned sat
[2026-05-23 20:39:06] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 20:39:06] [INFO ] [Nat]Absence check using 13 positive place invariants in 18 ms returned sat
[2026-05-23 20:39:06] [INFO ] [Nat]Absence check using 13 positive and 6 generalized place invariants in 6 ms returned sat
[2026-05-23 20:39:06] [INFO ] [Nat]Absence check using state equation in 270 ms returned sat
[2026-05-23 20:39:06] [INFO ] [Nat]Added 314 Read/Feed constraints in 58 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:07] [INFO ] Deduced a trap composed of 3 places in 355 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:07] [INFO ] Deduced a trap composed of 14 places in 384 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:08] [INFO ] Deduced a trap composed of 3 places in 275 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:08] [INFO ] Deduced a trap composed of 20 places in 371 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:08] [INFO ] Deduced a trap composed of 3 places in 352 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:09] [INFO ] Deduced a trap composed of 26 places in 334 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:09] [INFO ] Deduced a trap composed of 3 places in 312 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:09] [INFO ] Deduced a trap composed of 3 places in 320 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:10] [INFO ] Deduced a trap composed of 20 places in 217 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:10] [INFO ] Deduced a trap composed of 23 places in 149 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:10] [INFO ] Deduced a trap composed of 3 places in 65 ms of which 5 ms to minimize.
[2026-05-23 20:39:10] [INFO ] Trap strengthening (SAT) tested/added 12/11 trap constraints in 3643 ms
[2026-05-23 20:39:10] [INFO ] Computed and/alt/rep : 499/1075/409 causal constraints (skipped 287 transitions) in 63 ms.
[2026-05-23 20:39:11] [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 4
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.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
[2026-05-23 20:39:11] [INFO ] [Real]Absence check using 13 positive place invariants in 17 ms returned sat
[2026-05-23 20:39:11] [INFO ] [Real]Absence check using 13 positive and 6 generalized place invariants in 5 ms returned sat
[2026-05-23 20:39:11] [INFO ] [Real]Absence check using state equation in 259 ms returned sat
[2026-05-23 20:39:11] [INFO ] [Real]Added 314 Read/Feed constraints in 50 ms returned sat
[2026-05-23 20:39:11] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 20:39:12] [INFO ] [Nat]Absence check using 13 positive place invariants in 16 ms returned sat
[2026-05-23 20:39:12] [INFO ] [Nat]Absence check using 13 positive and 6 generalized place invariants in 4 ms returned sat
[2026-05-23 20:39:12] [INFO ] [Nat]Absence check using state equation in 242 ms returned sat
[2026-05-23 20:39:12] [INFO ] [Nat]Added 314 Read/Feed constraints in 64 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:12] [INFO ] Deduced a trap composed of 3 places in 235 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:12] [INFO ] Deduced a trap composed of 20 places in 225 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:13] [INFO ] Deduced a trap composed of 3 places in 229 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:13] [INFO ] Deduced a trap composed of 23 places in 261 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:13] [INFO ] Deduced a trap composed of 26 places in 320 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:14] [INFO ] Deduced a trap composed of 3 places in 279 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:14] [INFO ] Deduced a trap composed of 3 places in 214 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:14] [INFO ] Deduced a trap composed of 3 places in 195 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:14] [INFO ] Deduced a trap composed of 26 places in 244 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:15] [INFO ] Deduced a trap composed of 32 places in 176 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:15] [INFO ] Deduced a trap composed of 35 places in 122 ms of which 14 ms to minimize.
[2026-05-23 20:39:15] [INFO ] Trap strengthening (SAT) tested/added 12/11 trap constraints in 3044 ms
[2026-05-23 20:39:15] [INFO ] Computed and/alt/rep : 499/1075/409 causal constraints (skipped 287 transitions) in 56 ms.
[2026-05-23 20:39:16] [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 5
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.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
[2026-05-23 20:39:17] [INFO ] [Real]Absence check using 13 positive place invariants in 17 ms returned sat
[2026-05-23 20:39:17] [INFO ] [Real]Absence check using 13 positive and 6 generalized place invariants in 6 ms returned sat
[2026-05-23 20:39:17] [INFO ] [Real]Absence check using state equation in 271 ms returned sat
[2026-05-23 20:39:17] [INFO ] [Real]Added 314 Read/Feed constraints in 60 ms returned sat
[2026-05-23 20:39:17] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 20:39:17] [INFO ] [Nat]Absence check using 13 positive place invariants in 19 ms returned sat
[2026-05-23 20:39:17] [INFO ] [Nat]Absence check using 13 positive and 6 generalized place invariants in 5 ms returned sat
[2026-05-23 20:39:17] [INFO ] [Nat]Absence check using state equation in 264 ms returned sat
[2026-05-23 20:39:17] [INFO ] [Nat]Added 314 Read/Feed constraints in 70 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:18] [INFO ] Deduced a trap composed of 20 places in 289 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:18] [INFO ] Deduced a trap composed of 23 places in 289 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:18] [INFO ] Deduced a trap composed of 26 places in 245 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:19] [INFO ] Deduced a trap composed of 3 places in 279 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:19] [INFO ] Deduced a trap composed of 3 places in 295 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:19] [INFO ] Deduced a trap composed of 26 places in 213 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:20] [INFO ] Deduced a trap composed of 3 places in 189 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:20] [INFO ] Deduced a trap composed of 3 places in 203 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:20] [INFO ] Deduced a trap composed of 29 places in 160 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:20] [INFO ] Deduced a trap composed of 32 places in 117 ms of which 6 ms to minimize.
[2026-05-23 20:39:20] [INFO ] Trap strengthening (SAT) tested/added 11/10 trap constraints in 2719 ms
[2026-05-23 20:39:20] [INFO ] Computed and/alt/rep : 499/1075/409 causal constraints (skipped 287 transitions) in 59 ms.
Maximisation of solution failed !
Minimization took 0 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 1, 0, 1, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1]
Support contains 7 out of 414 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 414/414 places, 1296/1296 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 6 rules applied. Total rules applied 6 place count 414 transition count 1290
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 12 place count 408 transition count 1290
Performed 110 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 110 Pre rules applied. Total rules applied 12 place count 408 transition count 1180
Deduced a syphon composed of 110 places in 2 ms
Reduce places removed 110 places and 0 transitions.
Iterating global reduction 2 with 220 rules applied. Total rules applied 232 place count 298 transition count 1180
Discarding 30 places :
Symmetric choice reduction at 2 with 30 rule applications. Total rules 262 place count 268 transition count 1000
Iterating global reduction 2 with 30 rules applied. Total rules applied 292 place count 268 transition count 1000
Performed 30 Post agglomeration using F-continuation condition.Transition count delta: 30
Deduced a syphon composed of 30 places in 3 ms
Reduce places removed 30 places and 0 transitions.
Iterating global reduction 2 with 60 rules applied. Total rules applied 352 place count 238 transition count 970
Applied a total of 352 rules in 250 ms. Remains 238 /414 variables (removed 176) and now considering 970/1296 (removed 326) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 263 ms. Remains : 238/414 places, 970/1296 transitions.
[2026-05-23 20:39:23] [INFO ] Flow matrix only has 376 transitions (discarded 594 similar events)
// Phase 1: matrix 376 rows 238 cols
[2026-05-23 20:39:23] [INFO ] Computed 19 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 1, 0, 1, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1]
FORMULA EisenbergMcGuire-PT-06-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA EisenbergMcGuire-PT-06-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 1000000 steps (2 resets) in 1933 ms. (517 steps per ms)
BEST_FIRST walk for 5000005 steps (10 resets) in 2513 ms. (1988 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1]
[2026-05-23 20:39:27] [INFO ] Flow matrix only has 376 transitions (discarded 594 similar events)
[2026-05-23 20:39:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 20:39:27] [INFO ] [Real]Absence check using 13 positive place invariants in 9 ms returned sat
[2026-05-23 20:39:27] [INFO ] [Real]Absence check using 13 positive and 6 generalized place invariants in 4 ms returned sat
[2026-05-23 20:39:28] [INFO ] [Real]Absence check using state equation in 143 ms returned sat
[2026-05-23 20:39:28] [INFO ] State equation strengthened by 164 read => feed constraints.
[2026-05-23 20:39:28] [INFO ] [Real]Added 164 Read/Feed constraints in 34 ms returned sat
[2026-05-23 20:39:28] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 20:39:28] [INFO ] [Nat]Absence check using 13 positive place invariants in 9 ms returned sat
[2026-05-23 20:39:28] [INFO ] [Nat]Absence check using 13 positive and 6 generalized place invariants in 4 ms returned sat
[2026-05-23 20:39:28] [INFO ] [Nat]Absence check using state equation in 143 ms returned sat
[2026-05-23 20:39:28] [INFO ] [Nat]Added 164 Read/Feed constraints in 30 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:28] [INFO ] Deduced a trap composed of 3 places in 43 ms of which 3 ms to minimize.
[2026-05-23 20:39:28] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 78 ms
[2026-05-23 20:39:28] [INFO ] Computed and/alt/rep : 323/772/233 causal constraints (skipped 137 transitions) in 30 ms.
[2026-05-23 20:39:29] [INFO ] Added : 73 causal constraints over 15 iterations in 509 ms. Result :sat
Minimization took 131 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 20:39:29] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2026-05-23 20:39:29] [INFO ] [Real]Absence check using 13 positive and 6 generalized place invariants in 4 ms returned sat
[2026-05-23 20:39:29] [INFO ] [Real]Absence check using state equation in 155 ms returned sat
[2026-05-23 20:39:29] [INFO ] [Real]Added 164 Read/Feed constraints in 35 ms returned sat
[2026-05-23 20:39:29] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 20:39:29] [INFO ] [Nat]Absence check using 13 positive place invariants in 10 ms returned sat
[2026-05-23 20:39:29] [INFO ] [Nat]Absence check using 13 positive and 6 generalized place invariants in 4 ms returned sat
[2026-05-23 20:39:29] [INFO ] [Nat]Absence check using state equation in 159 ms returned sat
[2026-05-23 20:39:29] [INFO ] [Nat]Added 164 Read/Feed constraints in 37 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:29] [INFO ] Deduced a trap composed of 3 places in 55 ms of which 3 ms to minimize.
[2026-05-23 20:39:29] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 94 ms
[2026-05-23 20:39:29] [INFO ] Computed and/alt/rep : 323/772/233 causal constraints (skipped 137 transitions) in 35 ms.
[2026-05-23 20:39:30] [INFO ] Added : 24 causal constraints over 5 iterations in 226 ms. Result :sat
Minimization took 115 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 20:39:30] [INFO ] [Real]Absence check using 13 positive place invariants in 9 ms returned sat
[2026-05-23 20:39:30] [INFO ] [Real]Absence check using 13 positive and 6 generalized place invariants in 5 ms returned sat
[2026-05-23 20:39:30] [INFO ] [Real]Absence check using state equation in 161 ms returned sat
[2026-05-23 20:39:30] [INFO ] [Real]Added 164 Read/Feed constraints in 36 ms returned sat
[2026-05-23 20:39:30] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 20:39:30] [INFO ] [Nat]Absence check using 13 positive place invariants in 10 ms returned sat
[2026-05-23 20:39:30] [INFO ] [Nat]Absence check using 13 positive and 6 generalized place invariants in 4 ms returned sat
[2026-05-23 20:39:30] [INFO ] [Nat]Absence check using state equation in 147 ms returned sat
[2026-05-23 20:39:30] [INFO ] [Nat]Added 164 Read/Feed constraints in 36 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:30] [INFO ] Deduced a trap composed of 3 places in 113 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:31] [INFO ] Deduced a trap composed of 16 places in 101 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:31] [INFO ] Deduced a trap composed of 3 places in 82 ms of which 5 ms to minimize.
[2026-05-23 20:39:31] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 383 ms
[2026-05-23 20:39:31] [INFO ] Computed and/alt/rep : 323/772/233 causal constraints (skipped 137 transitions) in 31 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:31] [INFO ] Deduced a trap composed of 19 places in 78 ms of which 4 ms to minimize.
[2026-05-23 20:39:31] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 136 ms
[2026-05-23 20:39:32] [INFO ] Added : 101 causal constraints over 21 iterations in 908 ms. Result :sat
Minimization took 124 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 20:39:32] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2026-05-23 20:39:32] [INFO ] [Real]Absence check using 13 positive and 6 generalized place invariants in 5 ms returned sat
[2026-05-23 20:39:32] [INFO ] [Real]Absence check using state equation in 151 ms returned sat
[2026-05-23 20:39:32] [INFO ] [Real]Added 164 Read/Feed constraints in 32 ms returned sat
[2026-05-23 20:39:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 20:39:32] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2026-05-23 20:39:32] [INFO ] [Nat]Absence check using 13 positive and 6 generalized place invariants in 5 ms returned sat
[2026-05-23 20:39:32] [INFO ] [Nat]Absence check using state equation in 148 ms returned sat
[2026-05-23 20:39:32] [INFO ] [Nat]Added 164 Read/Feed constraints in 32 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:32] [INFO ] Deduced a trap composed of 3 places in 42 ms of which 3 ms to minimize.
[2026-05-23 20:39:32] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 82 ms
[2026-05-23 20:39:32] [INFO ] Computed and/alt/rep : 323/772/233 causal constraints (skipped 137 transitions) in 33 ms.
[2026-05-23 20:39:33] [INFO ] Added : 57 causal constraints over 12 iterations in 473 ms. Result :sat
Minimization took 105 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 20:39:33] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2026-05-23 20:39:33] [INFO ] [Real]Absence check using 13 positive and 6 generalized place invariants in 5 ms returned sat
[2026-05-23 20:39:33] [INFO ] [Real]Absence check using state equation in 158 ms returned sat
[2026-05-23 20:39:33] [INFO ] [Real]Added 164 Read/Feed constraints in 43 ms returned sat
[2026-05-23 20:39:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 20:39:33] [INFO ] [Nat]Absence check using 13 positive place invariants in 10 ms returned sat
[2026-05-23 20:39:33] [INFO ] [Nat]Absence check using 13 positive and 6 generalized place invariants in 4 ms returned sat
[2026-05-23 20:39:34] [INFO ] [Nat]Absence check using state equation in 150 ms returned sat
[2026-05-23 20:39:34] [INFO ] [Nat]Added 164 Read/Feed constraints in 33 ms returned sat
[2026-05-23 20:39:34] [INFO ] Computed and/alt/rep : 323/772/233 causal constraints (skipped 137 transitions) in 35 ms.
[2026-05-23 20:39:34] [INFO ] Added : 69 causal constraints over 14 iterations in 496 ms. Result :sat
Minimization took 115 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1]
FORMULA EisenbergMcGuire-PT-06-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0] Max Struct:[1, 1, 1, 1]
Support contains 4 out of 238 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 238/238 places, 970/970 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 238 transition count 969
Deduced a syphon composed of 1 places in 3 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 237 transition count 969
Applied a total of 2 rules in 97 ms. Remains 237 /238 variables (removed 1) and now considering 969/970 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 98 ms. Remains : 237/238 places, 969/970 transitions.
[2026-05-23 20:39:35] [INFO ] Flow matrix only has 375 transitions (discarded 594 similar events)
// Phase 1: matrix 375 rows 237 cols
[2026-05-23 20:39:35] [INFO ] Computed 19 invariants in 6 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0] Max Struct:[1, 1, 1, 1]
RANDOM walk for 1000000 steps (2 resets) in 1806 ms. (553 steps per ms)
BEST_FIRST walk for 4000004 steps (8 resets) in 2093 ms. (1910 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0] Max Struct:[1, 1, 1, 1]
[2026-05-23 20:39:39] [INFO ] Flow matrix only has 375 transitions (discarded 594 similar events)
[2026-05-23 20:39:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 20:39:39] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2026-05-23 20:39:39] [INFO ] [Real]Absence check using 13 positive and 6 generalized place invariants in 5 ms returned sat
[2026-05-23 20:39:39] [INFO ] [Real]Absence check using state equation in 161 ms returned sat
[2026-05-23 20:39:39] [INFO ] State equation strengthened by 164 read => feed constraints.
[2026-05-23 20:39:39] [INFO ] [Real]Added 164 Read/Feed constraints in 37 ms returned sat
[2026-05-23 20:39:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 20:39:39] [INFO ] [Nat]Absence check using 13 positive place invariants in 12 ms returned sat
[2026-05-23 20:39:39] [INFO ] [Nat]Absence check using 13 positive and 6 generalized place invariants in 5 ms returned sat
[2026-05-23 20:39:39] [INFO ] [Nat]Absence check using state equation in 160 ms returned sat
[2026-05-23 20:39:39] [INFO ] [Nat]Added 164 Read/Feed constraints in 34 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:39] [INFO ] Deduced a trap composed of 3 places in 46 ms of which 3 ms to minimize.
[2026-05-23 20:39:39] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 93 ms
[2026-05-23 20:39:39] [INFO ] Computed and/alt/rep : 322/771/232 causal constraints (skipped 137 transitions) in 34 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:40] [INFO ] Deduced a trap composed of 3 places in 55 ms of which 3 ms to minimize.
[2026-05-23 20:39:40] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 110 ms
[2026-05-23 20:39:40] [INFO ] Added : 50 causal constraints over 10 iterations in 543 ms. Result :sat
Minimization took 126 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 20:39:40] [INFO ] [Real]Absence check using 13 positive place invariants in 9 ms returned sat
[2026-05-23 20:39:40] [INFO ] [Real]Absence check using 13 positive and 6 generalized place invariants in 4 ms returned sat
[2026-05-23 20:39:40] [INFO ] [Real]Absence check using state equation in 155 ms returned sat
[2026-05-23 20:39:40] [INFO ] [Real]Added 164 Read/Feed constraints in 34 ms returned sat
[2026-05-23 20:39:40] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 20:39:40] [INFO ] [Nat]Absence check using 13 positive place invariants in 9 ms returned sat
[2026-05-23 20:39:40] [INFO ] [Nat]Absence check using 13 positive and 6 generalized place invariants in 4 ms returned sat
[2026-05-23 20:39:40] [INFO ] [Nat]Absence check using state equation in 149 ms returned sat
[2026-05-23 20:39:40] [INFO ] [Nat]Added 164 Read/Feed constraints in 31 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:41] [INFO ] Deduced a trap composed of 3 places in 40 ms of which 3 ms to minimize.
[2026-05-23 20:39:41] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 76 ms
[2026-05-23 20:39:41] [INFO ] Computed and/alt/rep : 322/771/232 causal constraints (skipped 137 transitions) in 31 ms.
[2026-05-23 20:39:41] [INFO ] Added : 39 causal constraints over 8 iterations in 296 ms. Result :sat
Minimization took 100 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 20:39:41] [INFO ] [Real]Absence check using 13 positive place invariants in 9 ms returned sat
[2026-05-23 20:39:41] [INFO ] [Real]Absence check using 13 positive and 6 generalized place invariants in 5 ms returned sat
[2026-05-23 20:39:41] [INFO ] [Real]Absence check using state equation in 148 ms returned sat
[2026-05-23 20:39:41] [INFO ] [Real]Added 164 Read/Feed constraints in 33 ms returned sat
[2026-05-23 20:39:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 20:39:41] [INFO ] [Nat]Absence check using 13 positive place invariants in 9 ms returned sat
[2026-05-23 20:39:41] [INFO ] [Nat]Absence check using 13 positive and 6 generalized place invariants in 4 ms returned sat
[2026-05-23 20:39:41] [INFO ] [Nat]Absence check using state equation in 143 ms returned sat
[2026-05-23 20:39:42] [INFO ] [Nat]Added 164 Read/Feed constraints in 32 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:42] [INFO ] Deduced a trap composed of 3 places in 46 ms of which 3 ms to minimize.
[2026-05-23 20:39:42] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 81 ms
[2026-05-23 20:39:42] [INFO ] Computed and/alt/rep : 322/771/232 causal constraints (skipped 137 transitions) in 30 ms.
[2026-05-23 20:39:42] [INFO ] Added : 28 causal constraints over 6 iterations in 234 ms. Result :sat
Minimization took 114 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 20:39:42] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2026-05-23 20:39:42] [INFO ] [Real]Absence check using 13 positive and 6 generalized place invariants in 4 ms returned sat
[2026-05-23 20:39:42] [INFO ] [Real]Absence check using state equation in 142 ms returned sat
[2026-05-23 20:39:42] [INFO ] [Real]Added 164 Read/Feed constraints in 35 ms returned sat
[2026-05-23 20:39:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 20:39:42] [INFO ] [Nat]Absence check using 13 positive place invariants in 10 ms returned sat
[2026-05-23 20:39:42] [INFO ] [Nat]Absence check using 13 positive and 6 generalized place invariants in 8 ms returned sat
[2026-05-23 20:39:42] [INFO ] [Nat]Absence check using state equation in 144 ms returned sat
[2026-05-23 20:39:42] [INFO ] [Nat]Added 164 Read/Feed constraints in 32 ms returned sat
[2026-05-23 20:39:43] [INFO ] Computed and/alt/rep : 322/771/232 causal constraints (skipped 137 transitions) in 42 ms.
[2026-05-23 20:39:43] [INFO ] Added : 46 causal constraints over 10 iterations in 361 ms. Result :sat
Minimization took 123 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0] Max Struct:[1, 1, 1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0] Max Struct:[1, 1, 1, 1]
Support contains 4 out of 237 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 237/237 places, 969/969 transitions.
Applied a total of 0 rules in 33 ms. Remains 237 /237 variables (removed 0) and now considering 969/969 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33 ms. Remains : 237/237 places, 969/969 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 237/237 places, 969/969 transitions.
Applied a total of 0 rules in 32 ms. Remains 237 /237 variables (removed 0) and now considering 969/969 (removed 0) transitions.
[2026-05-23 20:39:43] [INFO ] Flow matrix only has 375 transitions (discarded 594 similar events)
[2026-05-23 20:39:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 20:39:44] [INFO ] Implicit Places using invariants in 359 ms returned []
[2026-05-23 20:39:44] [INFO ] Flow matrix only has 375 transitions (discarded 594 similar events)
[2026-05-23 20:39:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 20:39:44] [INFO ] State equation strengthened by 164 read => feed constraints.
[2026-05-23 20:39:45] [INFO ] Implicit Places using invariants and state equation in 1178 ms returned []
Implicit Place search using SMT with State Equation took 1543 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 20:39:45] [INFO ] Redundant transitions in 99 ms returned []
Running 963 sub problems to find dead transitions.
[2026-05-23 20:39:45] [INFO ] Flow matrix only has 375 transitions (discarded 594 similar events)
[2026-05-23 20:39:45] [INFO ] Invariant cache hit.
[2026-05-23 20:39:45] [INFO ] State equation strengthened by 164 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/237 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 963 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/237 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 963 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:52] [INFO ] Deduced a trap composed of 3 places in 222 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:53] [INFO ] Deduced a trap composed of 3 places in 113 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:53] [INFO ] Deduced a trap composed of 3 places in 65 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:53] [INFO ] Deduced a trap composed of 3 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:53] [INFO ] Deduced a trap composed of 44 places in 140 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:53] [INFO ] Deduced a trap composed of 45 places in 134 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:54] [INFO ] Deduced a trap composed of 32 places in 157 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:54] [INFO ] Deduced a trap composed of 32 places in 171 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:54] [INFO ] Deduced a trap composed of 32 places in 163 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:54] [INFO ] Deduced a trap composed of 32 places in 151 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:54] [INFO ] Deduced a trap composed of 32 places in 158 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:55] [INFO ] Deduced a trap composed of 25 places in 81 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:55] [INFO ] Deduced a trap composed of 15 places in 191 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:55] [INFO ] Deduced a trap composed of 11 places in 108 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:55] [INFO ] Deduced a trap composed of 13 places in 112 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:55] [INFO ] Deduced a trap composed of 3 places in 50 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:56] [INFO ] Deduced a trap composed of 23 places in 236 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:56] [INFO ] Deduced a trap composed of 32 places in 259 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:56] [INFO ] Deduced a trap composed of 19 places in 72 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:56] [INFO ] Deduced a trap composed of 3 places in 49 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/237 variables, 20/39 constraints. Problems are: Problem set: 0 solved, 963 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:59] [INFO ] Deduced a trap composed of 45 places in 156 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:39:59] [INFO ] Deduced a trap composed of 32 places in 172 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:00] [INFO ] Deduced a trap composed of 15 places in 147 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:00] [INFO ] Deduced a trap composed of 43 places in 173 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:01] [INFO ] Deduced a trap composed of 34 places in 181 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:01] [INFO ] Deduced a trap composed of 45 places in 179 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:01] [INFO ] Deduced a trap composed of 17 places in 73 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:01] [INFO ] Deduced a trap composed of 44 places in 196 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:02] [INFO ] Deduced a trap composed of 19 places in 169 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:02] [INFO ] Deduced a trap composed of 17 places in 80 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:02] [INFO ] Deduced a trap composed of 19 places in 71 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:03] [INFO ] Deduced a trap composed of 41 places in 232 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:03] [INFO ] Deduced a trap composed of 21 places in 186 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:04] [INFO ] Deduced a trap composed of 21 places in 75 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:04] [INFO ] Deduced a trap composed of 23 places in 223 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:05] [INFO ] Deduced a trap composed of 45 places in 193 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:05] [INFO ] Deduced a trap composed of 27 places in 75 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:05] [INFO ] Deduced a trap composed of 50 places in 193 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:06] [INFO ] Deduced a trap composed of 44 places in 233 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:06] [INFO ] Deduced a trap composed of 44 places in 216 ms of which 18 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/237 variables, 20/59 constraints. Problems are: Problem set: 0 solved, 963 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:14] [INFO ] Deduced a trap composed of 44 places in 169 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:14] [INFO ] Deduced a trap composed of 45 places in 154 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:15] [INFO ] Deduced a trap composed of 34 places in 166 ms of which 19 ms to minimize.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 237/612 variables, and 62 constraints, problems are : Problem set: 0 solved, 963 unsolved in 30053 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 0/237 constraints, ReadFeed: 0/164 constraints, PredecessorRefiner: 963/963 constraints, Known Traps: 43/43 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 963 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/237 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 963 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/237 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 963 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/237 variables, 43/62 constraints. Problems are: Problem set: 0 solved, 963 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:23] [INFO ] Deduced a trap composed of 44 places in 226 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:24] [INFO ] Deduced a trap composed of 44 places in 211 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:24] [INFO ] Deduced a trap composed of 44 places in 197 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:25] [INFO ] Deduced a trap composed of 49 places in 237 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:25] [INFO ] Deduced a trap composed of 51 places in 239 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:25] [INFO ] Deduced a trap composed of 48 places in 229 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:25] [INFO ] Deduced a trap composed of 48 places in 234 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:26] [INFO ] Deduced a trap composed of 50 places in 171 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:26] [INFO ] Deduced a trap composed of 50 places in 190 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:26] [INFO ] Deduced a trap composed of 44 places in 188 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:26] [INFO ] Deduced a trap composed of 51 places in 218 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:27] [INFO ] Deduced a trap composed of 50 places in 219 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:27] [INFO ] Deduced a trap composed of 50 places in 196 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:27] [INFO ] Deduced a trap composed of 50 places in 232 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:28] [INFO ] Deduced a trap composed of 34 places in 211 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:29] [INFO ] Deduced a trap composed of 42 places in 258 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:29] [INFO ] Deduced a trap composed of 44 places in 235 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:29] [INFO ] Deduced a trap composed of 47 places in 223 ms of which 24 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/237 variables, 18/80 constraints. Problems are: Problem set: 0 solved, 963 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:35] [INFO ] Deduced a trap composed of 45 places in 196 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:35] [INFO ] Deduced a trap composed of 51 places in 188 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:36] [INFO ] Deduced a trap composed of 39 places in 223 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:37] [INFO ] Deduced a trap composed of 43 places in 211 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:37] [INFO ] Deduced a trap composed of 39 places in 212 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:37] [INFO ] Deduced a trap composed of 41 places in 198 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:37] [INFO ] Deduced a trap composed of 43 places in 191 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:38] [INFO ] Deduced a trap composed of 43 places in 217 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:39] [INFO ] Deduced a trap composed of 39 places in 268 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:40] [INFO ] Deduced a trap composed of 40 places in 256 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:40] [INFO ] Deduced a trap composed of 44 places in 240 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:40] [INFO ] Deduced a trap composed of 44 places in 170 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:41] [INFO ] Deduced a trap composed of 50 places in 175 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:41] [INFO ] Deduced a trap composed of 50 places in 187 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:41] [INFO ] Deduced a trap composed of 60 places in 174 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:42] [INFO ] Deduced a trap composed of 50 places in 236 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:42] [INFO ] Deduced a trap composed of 41 places in 218 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:42] [INFO ] Deduced a trap composed of 50 places in 224 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:43] [INFO ] Deduced a trap composed of 50 places in 177 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:43] [INFO ] Deduced a trap composed of 32 places in 226 ms of which 23 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/237 variables, 20/100 constraints. Problems are: Problem set: 0 solved, 963 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:46] [INFO ] Deduced a trap composed of 44 places in 173 ms of which 15 ms to minimize.
SMT process timed out in 60560ms, After SMT, problems are : Problem set: 0 solved, 963 unsolved
Search for dead transitions found 0 dead transitions in 60594ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62314 ms. Remains : 237/237 places, 969/969 transitions.
RANDOM walk for 40000 steps (8 resets) in 1317 ms. (30 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 167 ms. (238 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 148 ms. (268 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 118 ms. (336 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 116 ms. (341 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 111 ms. (357 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 115 ms. (344 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 128 ms. (310 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 111 ms. (357 steps per ms) remains 8/8 properties
[2026-05-23 20:40:46] [INFO ] Flatten gal took : 344 ms
[2026-05-23 20:40:47] [INFO ] Flatten gal took : 128 ms
[2026-05-23 20:40:47] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality18305734178694342855.gal : 55 ms
[2026-05-23 20:40:47] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1807838438623555296.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/ReachabilityCardinality18305734178694342855.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1807838438623555296.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/ReachabilityCardinality1807838438623555296.prop.
SDD proceeding with computation,8 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,8 properties remain. new max is 8
SDD size :5 after 6
SDD proceeding with computation,8 properties remain. new max is 16
SDD size :6 after 14
SDD proceeding with computation,8 properties remain. new max is 32
SDD size :14 after 23
SDD proceeding with computation,8 properties remain. new max is 64
SDD size :23 after 26
SDD proceeding with computation,8 properties remain. new max is 128
SDD size :26 after 51
SDD proceeding with computation,8 properties remain. new max is 256
SDD size :51 after 199
SDD proceeding with computation,8 properties remain. new max is 512
SDD size :199 after 372
SDD proceeding with computation,8 properties remain. new max is 1024
SDD size :372 after 726
SDD proceeding with computation,8 properties remain. new max is 2048
SDD size :726 after 2628
SDD proceeding with computation,8 properties remain. new max is 4096
SDD size :2628 after 4135
Interrupted probabilistic random walk after 355068 steps, run timeout after 3001 ms. (steps per millisecond=118 ) properties seen :6 out of 8
Probabilistic random walk after 355068 steps, saw 100571 distinct states, run finished after 3008 ms. (steps per millisecond=118 ) properties seen :6
[2026-05-23 20:40:49] [INFO ] Flow matrix only has 375 transitions (discarded 594 similar events)
[2026-05-23 20:40:49] [INFO ] Invariant cache hit.
[2026-05-23 20:40:49] [INFO ] State equation strengthened by 164 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) 35/36 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/36 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 2/38 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:49] [INFO ] Deduced a trap composed of 3 places in 69 ms of which 8 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 62/100 variables, 38/42 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/100 variables, 2/44 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/100 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 56/156 variables, 6/50 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/156 variables, 1/51 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/156 variables, 8/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/156 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 90/246 variables, 40/99 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/246 variables, 17/116 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (INCLUDED_ONLY) 0/246 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 143/389 variables, 10/126 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/389 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (OVERLAPS) 10/399 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/399 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 213/612 variables, 153/284 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/612 variables, 137/421 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/612 variables, 0/421 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (OVERLAPS) 0/612 variables, 0/421 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 612/612 variables, and 421 constraints, problems are : Problem set: 0 solved, 2 unsolved in 583 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 237/237 constraints, ReadFeed: 164/164 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 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) 35/36 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/36 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 2/38 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 62/100 variables, 38/42 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/100 variables, 2/44 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/100 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 56/156 variables, 6/50 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/156 variables, 1/51 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/156 variables, 8/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/156 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 90/246 variables, 40/99 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/246 variables, 17/116 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/246 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 143/389 variables, 10/126 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/389 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (OVERLAPS) 10/399 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/399 variables, 2/133 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:50] [INFO ] Deduced a trap composed of 13 places in 101 ms of which 8 ms to minimize.
At refinement iteration 20 (INCLUDED_ONLY) 0/399 variables, 1/134 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/399 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 213/612 variables, 153/287 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/612 variables, 137/424 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/612 variables, 0/424 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 25 (OVERLAPS) 0/612 variables, 0/424 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 612/612 variables, and 424 constraints, problems are : Problem set: 0 solved, 2 unsolved in 803 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 237/237 constraints, ReadFeed: 164/164 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1400ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 130 ms.
Support contains 1 out of 237 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 237/237 places, 969/969 transitions.
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 3 Pre rules applied. Total rules applied 0 place count 237 transition count 966
Deduced a syphon composed of 3 places in 3 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 234 transition count 966
Applied a total of 6 rules in 47 ms. Remains 234 /237 variables (removed 3) and now considering 966/969 (removed 3) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 47 ms. Remains : 234/237 places, 966/969 transitions.
SDD proceeding with computation,8 properties remain. new max is 8192
SDD size :4135 after 14100
RANDOM walk for 40000 steps (8 resets) in 331 ms. (120 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 110 ms. (360 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 107 ms. (370 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 388983 steps, run timeout after 3001 ms. (steps per millisecond=129 ) properties seen :0 out of 2
Probabilistic random walk after 388983 steps, saw 107092 distinct states, run finished after 3001 ms. (steps per millisecond=129 ) properties seen :0
[2026-05-23 20:40:54] [INFO ] Flow matrix only has 372 transitions (discarded 594 similar events)
// Phase 1: matrix 372 rows 234 cols
[2026-05-23 20:40:54] [INFO ] Computed 19 invariants in 12 ms
[2026-05-23 20:40:54] [INFO ] State equation strengthened by 164 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) 35/36 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/36 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 2/38 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:54] [INFO ] Deduced a trap composed of 3 places in 68 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 62/100 variables, 38/42 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/100 variables, 2/44 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/100 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 56/156 variables, 6/50 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/156 variables, 1/51 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/156 variables, 8/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/156 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 90/246 variables, 40/99 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/246 variables, 17/116 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (INCLUDED_ONLY) 0/246 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 140/386 variables, 10/126 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/386 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (OVERLAPS) 10/396 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/396 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 210/606 variables, 150/281 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/606 variables, 137/418 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/606 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (OVERLAPS) 0/606 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 606/606 variables, and 418 constraints, problems are : Problem set: 0 solved, 2 unsolved in 773 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 234/234 constraints, ReadFeed: 164/164 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 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
SDD proceeding with computation,8 properties remain. new max is 16384
SDD size :14100 after 24454
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) 35/36 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/36 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 2/38 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 62/100 variables, 38/42 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/100 variables, 2/44 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/100 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 56/156 variables, 6/50 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/156 variables, 1/51 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/156 variables, 8/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/156 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 90/246 variables, 40/99 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/246 variables, 17/116 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/246 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 140/386 variables, 10/126 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/386 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (OVERLAPS) 10/396 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/396 variables, 2/133 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:40:56] [INFO ] Deduced a trap composed of 13 places in 82 ms of which 8 ms to minimize.
At refinement iteration 20 (INCLUDED_ONLY) 0/396 variables, 1/134 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/396 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 210/606 variables, 150/284 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/606 variables, 137/421 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/606 variables, 0/421 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 25 (OVERLAPS) 0/606 variables, 0/421 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 606/606 variables, and 421 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1202 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 234/234 constraints, ReadFeed: 164/164 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2009ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 57 ms.
Support contains 1 out of 234 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 234/234 places, 966/966 transitions.
Applied a total of 0 rules in 34 ms. Remains 234 /234 variables (removed 0) and now considering 966/966 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34 ms. Remains : 234/234 places, 966/966 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 234/234 places, 966/966 transitions.
Applied a total of 0 rules in 33 ms. Remains 234 /234 variables (removed 0) and now considering 966/966 (removed 0) transitions.
[2026-05-23 20:40:56] [INFO ] Flow matrix only has 372 transitions (discarded 594 similar events)
[2026-05-23 20:40:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 20:40:57] [INFO ] Implicit Places using invariants in 402 ms returned []
[2026-05-23 20:40:57] [INFO ] Flow matrix only has 372 transitions (discarded 594 similar events)
[2026-05-23 20:40:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 20:40:57] [INFO ] State equation strengthened by 164 read => feed constraints.
[2026-05-23 20:40:58] [INFO ] Implicit Places using invariants and state equation in 1189 ms returned []
Implicit Place search using SMT with State Equation took 1605 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 20:40:58] [INFO ] Redundant transitions in 19 ms returned []
Running 960 sub problems to find dead transitions.
[2026-05-23 20:40:58] [INFO ] Flow matrix only has 372 transitions (discarded 594 similar events)
[2026-05-23 20:40:58] [INFO ] Invariant cache hit.
[2026-05-23 20:40:58] [INFO ] State equation strengthened by 164 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SDD proceeding with computation,8 properties remain. new max is 32768
SDD size :24454 after 77280
At refinement iteration 0 (INCLUDED_ONLY) 0/234 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 960 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/234 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 960 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:41:05] [INFO ] Deduced a trap composed of 3 places in 205 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:41:05] [INFO ] Deduced a trap composed of 3 places in 113 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:41:05] [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
[2026-05-23 20:41:05] [INFO ] Deduced a trap composed of 3 places in 64 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:41:06] [INFO ] Deduced a trap composed of 3 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:41:06] [INFO ] Deduced a trap composed of 32 places in 149 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:41:07] [INFO ] Deduced a trap composed of 32 places in 138 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:41:07] [INFO ] Deduced a trap composed of 32 places in 135 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:41:07] [INFO ] Deduced a trap composed of 32 places in 186 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:41:07] [INFO ] Deduced a trap composed of 32 places in 169 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:41:07] [INFO ] Deduced a trap composed of 45 places in 151 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:41:08] [INFO ] Deduced a trap composed of 11 places in 107 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:41:08] [INFO ] Deduced a trap composed of 13 places in 109 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:41:08] [INFO ] Deduced a trap composed of 15 places in 111 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:41:08] [INFO ] Deduced a trap composed of 19 places in 231 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:41:08] [INFO ] Deduced a trap composed of 25 places in 215 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:41:09] [INFO ] Deduced a trap composed of 32 places in 222 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:41:09] [INFO ] Deduced a trap composed of 32 places in 210 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:41:09] [INFO ] Deduced a trap composed of 19 places in 232 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:41:09] [INFO ] Deduced a trap composed of 3 places in 167 ms of which 9 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/234 variables, 20/39 constraints. Problems are: Problem set: 0 solved, 960 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:41:12] [INFO ] Deduced a trap composed of 15 places in 135 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:41:14] [INFO ] Deduced a trap composed of 21 places in 73 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:41:14] [INFO ] Deduced a trap composed of 23 places in 181 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:41:14] [INFO ] Deduced a trap composed of 17 places in 108 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:41:15] [INFO ] Deduced a trap composed of 32 places in 211 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:41:15] [INFO ] Deduced a trap composed of 45 places in 168 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:41:15] [INFO ] Deduced a trap composed of 45 places in 173 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:41:15] [INFO ] Deduced a trap composed of 45 places in 158 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:41:16] [INFO ] Deduced a trap composed of 44 places in 226 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:41:16] [INFO ] Deduced a trap composed of 23 places in 76 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:41:16] [INFO ] Deduced a trap composed of 44 places in 225 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:41:17] [INFO ] Deduced a trap composed of 45 places in 188 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:41:17] [INFO ] Deduced a trap composed of 17 places in 192 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:41:17] [INFO ] Deduced a trap composed of 19 places in 171 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:41:17] [INFO ] Deduced a trap composed of 21 places in 185 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:41:18] [INFO ] Deduced a trap composed of 44 places in 200 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:41:18] [INFO ] Deduced a trap composed of 44 places in 201 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:41:19] [INFO ] Deduced a trap composed of 27 places in 83 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,8 properties remain. new max is 65536
[2026-05-23 20:41:19] [INFO ] Deduced a trap composed of 44 places in 215 ms of which 16 ms to minimize.
SDD size :77280 after 320149
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:41:19] [INFO ] Deduced a trap composed of 34 places in 235 ms of which 17 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/234 variables, 20/59 constraints. Problems are: Problem set: 0 solved, 960 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:41:27] [INFO ] Deduced a trap composed of 34 places in 165 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:41:28] [INFO ] Deduced a trap composed of 45 places in 164 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:41:28] [INFO ] Deduced a trap composed of 45 places in 148 ms of which 16 ms to minimize.
SMT process timed out in 30380ms, After SMT, problems are : Problem set: 0 solved, 960 unsolved
Search for dead transitions found 0 dead transitions in 30387ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 32060 ms. Remains : 234/234 places, 966/966 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 880 edges and 234 vertex of which 36 / 234 are part of one of the 6 SCC in 3 ms
Free SCC test removed 30 places
Drop transitions (Empty/Sink Transition effects.) removed 114 transitions
Ensure Unique test removed 570 transitions
Reduce isomorphic transitions removed 684 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 47 transitions
Trivial Post-agglo rules discarded 47 transitions
Performed 47 trivial Post agglomeration. Transition count delta: 47
Iterating post reduction 0 with 47 rules applied. Total rules applied 48 place count 204 transition count 235
Reduce places removed 47 places and 0 transitions.
Iterating post reduction 1 with 47 rules applied. Total rules applied 95 place count 157 transition count 235
Performed 13 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 13 Pre rules applied. Total rules applied 95 place count 157 transition count 222
Deduced a syphon composed of 13 places in 0 ms
Ensure Unique test removed 6 places
Reduce places removed 19 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 127 place count 138 transition count 222
Performed 59 Post agglomeration using F-continuation condition.Transition count delta: 59
Deduced a syphon composed of 59 places in 4 ms
Reduce places removed 59 places and 0 transitions.
Iterating global reduction 2 with 118 rules applied. Total rules applied 245 place count 79 transition count 163
Ensure Unique test removed 30 transitions
Reduce isomorphic transitions removed 30 transitions.
Iterating post reduction 2 with 30 rules applied. Total rules applied 275 place count 79 transition count 133
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: -14
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 289 place count 72 transition count 147
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 3 with 6 rules applied. Total rules applied 295 place count 72 transition count 141
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 4 with 6 rules applied. Total rules applied 301 place count 72 transition count 135
Free-agglomeration rule applied 26 times.
Iterating global reduction 4 with 26 rules applied. Total rules applied 327 place count 72 transition count 109
Reduce places removed 26 places and 0 transitions.
Iterating post reduction 4 with 26 rules applied. Total rules applied 353 place count 46 transition count 109
Partial Free-agglomeration rule applied 9 times.
Drop transitions (Partial Free agglomeration) removed 9 transitions
Iterating global reduction 5 with 9 rules applied. Total rules applied 362 place count 46 transition count 109
Applied a total of 362 rules in 59 ms. Remains 46 /234 variables (removed 188) and now considering 109/966 (removed 857) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 109 rows 46 cols
[2026-05-23 20:41:28] [INFO ] Computed 13 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-23 20:41:28] [INFO ] [Real]Absence check using 13 positive place invariants in 3 ms returned sat
[2026-05-23 20:41:28] [INFO ] After 43ms SMT Verify possible using state equation in real domain returned unsat :0 sat :2
[2026-05-23 20:41:28] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-23 20:41:28] [INFO ] After 13ms SMT Verify possible using 6 Read/Feed constraints in real domain returned unsat :0 sat :0 real:2
[2026-05-23 20:41:28] [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
[2026-05-23 20:41:28] [INFO ] [Nat]Absence check using 13 positive place invariants in 3 ms returned sat
[2026-05-23 20:41:29] [INFO ] After 39ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2026-05-23 20:41:29] [INFO ] After 11ms SMT Verify possible using 6 Read/Feed constraints in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2026-05-23 20:41:29] [INFO ] After 29ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2026-05-23 20:41:29] [INFO ] After 120ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2026-05-23 20:41:29] [INFO ] Flatten gal took : 12 ms
[2026-05-23 20:41:29] [INFO ] Flatten gal took : 11 ms
[2026-05-23 20:41:29] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14710214256110740315.gal : 3 ms
[2026-05-23 20:41:29] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9860528806785258510.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/ReachabilityCardinality14710214256110740315.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9860528806785258510.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/ReachabilityCardinality9860528806785258510.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :12 after 64
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :64 after 132
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :132 after 164
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :164 after 600
Invariant property MIN3 does not hold.
Reachability property MAX3 is true.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 65 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,2841,0.034102,5232,2,226,11,1603,6,0,296,1071,0
Total reachable state count : 2841

Verifying 2 reachability properties.
Reachability property MAX3 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX3,50,0.034531,5232,2,79,11,1603,7,0,299,1071,0
Invariant property MIN3 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN3,50,0.034758,5232,2,79,11,1603,8,0,300,1071,0
Over-approximation ignoring read arcs solved 0 properties in 378 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-23 20:41:29] [INFO ] Flatten gal took : 88 ms
[2026-05-23 20:41:29] [INFO ] Applying decomposition
[2026-05-23 20:41:29] [INFO ] Flatten gal took : 62 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/graph3707438872535520353.txt' '-o' '/tmp/graph3707438872535520353.bin' '-w' '/tmp/graph3707438872535520353.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph3707438872535520353.bin' '-l' '-1' '-v' '-w' '/tmp/graph3707438872535520353.weights' '-q' '0' '-e' '0.001'
[2026-05-23 20:41:29] [INFO ] Decomposing Gal with order
[2026-05-23 20:41:29] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 20:41:30] [INFO ] Removed a total of 1773 redundant transitions.
[2026-05-23 20:41:30] [INFO ] Flatten gal took : 327 ms
[2026-05-23 20:41:30] [INFO ] Fuse similar labels procedure discarded/fused a total of 314 labels/synchronizations in 94 ms.
[2026-05-23 20:41:30] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13657606685634938584.gal : 27 ms
[2026-05-23 20:41:30] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9645772947292063481.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/ReachabilityCardinality13657606685634938584.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9645772947292063481.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/ReachabilityCardinality9645772947292063481.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 624
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :624 after 4160
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :4160 after 4693
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :4693 after 74847
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :74847 after 201883
Detected timeout of ITS tools.
FORMULA EisenbergMcGuire-PT-06-UpperBounds-13 1 TECHNIQUES REACHABILITY_MAX
FORMULA EisenbergMcGuire-PT-06-UpperBounds-03 1 TECHNIQUES REACHABILITY_MAX
FORMULA EisenbergMcGuire-PT-06-UpperBounds-02 1 TECHNIQUES REACHABILITY_MAX
Current structural bounds on expressions (After reachability solving 3 queries.) : Max Seen:[0] Max Struct:[1]
Starting property specific reduction for EisenbergMcGuire-PT-06-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]
[2026-05-23 20:42:20] [INFO ] Flow matrix only has 375 transitions (discarded 594 similar events)
// Phase 1: matrix 375 rows 237 cols
[2026-05-23 20:42:20] [INFO ] Computed 19 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 10000 steps (2 resets) in 21 ms. (454 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-23 20:42:20] [INFO ] Flow matrix only has 375 transitions (discarded 594 similar events)
[2026-05-23 20:42:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 20:42:20] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2026-05-23 20:42:20] [INFO ] [Real]Absence check using 13 positive and 6 generalized place invariants in 7 ms returned sat
[2026-05-23 20:42:20] [INFO ] [Real]Absence check using state equation in 155 ms returned sat
[2026-05-23 20:42:20] [INFO ] State equation strengthened by 164 read => feed constraints.
[2026-05-23 20:42:20] [INFO ] [Real]Added 164 Read/Feed constraints in 45 ms returned sat
[2026-05-23 20:42:20] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 20:42:20] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2026-05-23 20:42:20] [INFO ] [Nat]Absence check using 13 positive and 6 generalized place invariants in 4 ms returned sat
[2026-05-23 20:42:21] [INFO ] [Nat]Absence check using state equation in 153 ms returned sat
[2026-05-23 20:42:21] [INFO ] [Nat]Added 164 Read/Feed constraints in 36 ms returned sat
[2026-05-23 20:42:21] [INFO ] Computed and/alt/rep : 322/771/232 causal constraints (skipped 137 transitions) in 33 ms.
[2026-05-23 20:42:21] [INFO ] Added : 46 causal constraints over 10 iterations in 394 ms. Result :sat
Minimization took 126 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 237 places. Attempting structural reductions.
Drop transitions (Removing consumers from one bounded place p37_2_0) removed 1 transitions
Starting structural reductions in REACHABILITY mode, iteration 0 : 237/237 places, 968/968 transitions.
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 3 Pre rules applied. Total rules applied 0 place count 237 transition count 965
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 234 transition count 965
Applied a total of 6 rules in 49 ms. Remains 234 /237 variables (removed 3) and now considering 965/968 (removed 3) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 50 ms. Remains : 234/237 places, 965/968 transitions.
[2026-05-23 20:42:21] [INFO ] Flow matrix only has 371 transitions (discarded 594 similar events)
// Phase 1: matrix 371 rows 234 cols
[2026-05-23 20:42:21] [INFO ] Computed 19 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (2 resets) in 1848 ms. (540 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 496 ms. (2012 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-23 20:42:24] [INFO ] Flow matrix only has 371 transitions (discarded 594 similar events)
[2026-05-23 20:42:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 20:42:24] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2026-05-23 20:42:24] [INFO ] [Real]Absence check using 13 positive and 6 generalized place invariants in 4 ms returned sat
[2026-05-23 20:42:24] [INFO ] [Real]Absence check using state equation in 154 ms returned sat
[2026-05-23 20:42:24] [INFO ] State equation strengthened by 164 read => feed constraints.
[2026-05-23 20:42:24] [INFO ] [Real]Added 164 Read/Feed constraints in 42 ms returned sat
[2026-05-23 20:42:24] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 20:42:24] [INFO ] [Nat]Absence check using 13 positive place invariants in 10 ms returned sat
[2026-05-23 20:42:24] [INFO ] [Nat]Absence check using 13 positive and 6 generalized place invariants in 4 ms returned sat
[2026-05-23 20:42:24] [INFO ] [Nat]Absence check using state equation in 159 ms returned sat
[2026-05-23 20:42:24] [INFO ] [Nat]Added 164 Read/Feed constraints in 38 ms returned sat
[2026-05-23 20:42:24] [INFO ] Computed and/alt/rep : 319/767/229 causal constraints (skipped 136 transitions) in 34 ms.
[2026-05-23 20:42:24] [INFO ] Added : 18 causal constraints over 4 iterations in 196 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 234 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 234/234 places, 965/965 transitions.
Applied a total of 0 rules in 34 ms. Remains 234 /234 variables (removed 0) and now considering 965/965 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35 ms. Remains : 234/234 places, 965/965 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 234/234 places, 965/965 transitions.
Applied a total of 0 rules in 35 ms. Remains 234 /234 variables (removed 0) and now considering 965/965 (removed 0) transitions.
[2026-05-23 20:42:25] [INFO ] Flow matrix only has 371 transitions (discarded 594 similar events)
[2026-05-23 20:42:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 20:42:25] [INFO ] Implicit Places using invariants in 394 ms returned []
[2026-05-23 20:42:25] [INFO ] Flow matrix only has 371 transitions (discarded 594 similar events)
[2026-05-23 20:42:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 20:42:25] [INFO ] State equation strengthened by 164 read => feed constraints.
[2026-05-23 20:42:26] [INFO ] Implicit Places using invariants and state equation in 1235 ms returned []
Implicit Place search using SMT with State Equation took 1631 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 20:42:26] [INFO ] Redundant transitions in 16 ms returned []
Running 959 sub problems to find dead transitions.
[2026-05-23 20:42:26] [INFO ] Flow matrix only has 371 transitions (discarded 594 similar events)
[2026-05-23 20:42:26] [INFO ] Invariant cache hit.
[2026-05-23 20:42:26] [INFO ] State equation strengthened by 164 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/233 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 959 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/233 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 959 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:42:34] [INFO ] Deduced a trap composed of 3 places in 114 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:42:34] [INFO ] Deduced a trap composed of 3 places in 92 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:42:34] [INFO ] Deduced a trap composed of 3 places in 66 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:42:34] [INFO ] Deduced a trap composed of 3 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:42:35] [INFO ] Deduced a trap composed of 3 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:42:35] [INFO ] Deduced a trap composed of 28 places in 132 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:42:35] [INFO ] Deduced a trap composed of 11 places in 74 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:42:37] [INFO ] Deduced a trap composed of 15 places in 75 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:42:37] [INFO ] Deduced a trap composed of 17 places in 142 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:42:37] [INFO ] Deduced a trap composed of 17 places in 92 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:42:38] [INFO ] Deduced a trap composed of 19 places in 78 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:42:38] [INFO ] Deduced a trap composed of 19 places in 84 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:42:39] [INFO ] Deduced a trap composed of 21 places in 68 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:42:40] [INFO ] Deduced a trap composed of 23 places in 124 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:42:40] [INFO ] Deduced a trap composed of 25 places in 85 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:42:40] [INFO ] Deduced a trap composed of 27 places in 85 ms of which 8 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/233 variables, 16/32 constraints. Problems are: Problem set: 0 solved, 959 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:42:47] [INFO ] Deduced a trap composed of 40 places in 175 ms of which 10 ms to minimize.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (INCLUDED_ONLY) 0/233 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 959 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 233/605 variables, and 33 constraints, problems are : Problem set: 0 solved, 959 unsolved in 30040 ms.
Refiners :[Positive P Invariants (semi-flows): 11/13 constraints, Generalized P Invariants (flows): 5/6 constraints, State Equation: 0/234 constraints, ReadFeed: 0/164 constraints, PredecessorRefiner: 959/959 constraints, Known Traps: 17/17 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 959 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/233 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 959 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/233 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 959 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/233 variables, 17/33 constraints. Problems are: Problem set: 0 solved, 959 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/233 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 959 unsolved
At refinement iteration 4 (OVERLAPS) 1/234 variables, 2/35 constraints. Problems are: Problem set: 0 solved, 959 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/234 variables, 1/36 constraints. Problems are: Problem set: 0 solved, 959 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:43:13] [INFO ] Deduced a trap composed of 3 places in 50 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:43:14] [INFO ] Deduced a trap composed of 32 places in 172 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:43:14] [INFO ] Deduced a trap composed of 32 places in 165 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:43:14] [INFO ] Deduced a trap composed of 13 places in 179 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:43:14] [INFO ] Deduced a trap composed of 32 places in 161 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:43:15] [INFO ] Deduced a trap composed of 32 places in 190 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:43:15] [INFO ] Deduced a trap composed of 32 places in 159 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:43:15] [INFO ] Deduced a trap composed of 32 places in 186 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:43:16] [INFO ] Deduced a trap composed of 50 places in 171 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:43:16] [INFO ] Deduced a trap composed of 34 places in 181 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:43:17] [INFO ] Deduced a trap composed of 45 places in 163 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:43:17] [INFO ] Deduced a trap composed of 39 places in 200 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:43:17] [INFO ] Deduced a trap composed of 44 places in 174 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:43:18] [INFO ] Deduced a trap composed of 15 places in 147 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:43:18] [INFO ] Deduced a trap composed of 34 places in 194 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:43:19] [INFO ] Deduced a trap composed of 19 places in 74 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:43:20] [INFO ] Deduced a trap composed of 44 places in 229 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:43:20] [INFO ] Deduced a trap composed of 29 places in 209 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:43:21] [INFO ] Deduced a trap composed of 55 places in 207 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:43:21] [INFO ] Deduced a trap composed of 21 places in 79 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/234 variables, 20/56 constraints. Problems are: Problem set: 0 solved, 959 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:43:26] [INFO ] Deduced a trap composed of 23 places in 80 ms of which 5 ms to minimize.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 234/605 variables, and 57 constraints, problems are : Problem set: 0 solved, 959 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 0/234 constraints, ReadFeed: 0/164 constraints, PredecessorRefiner: 0/959 constraints, Known Traps: 38/38 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60338ms problems are : Problem set: 0 solved, 959 unsolved
Search for dead transitions found 0 dead transitions in 60342ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62038 ms. Remains : 234/234 places, 965/965 transitions.
RANDOM walk for 40000 steps (8 resets) in 263 ms. (151 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 43 ms. (909 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 33 ms. (1176 steps per ms) remains 2/2 properties
[2026-05-23 20:43:27] [INFO ] Flatten gal took : 91 ms
[2026-05-23 20:43:27] [INFO ] Flatten gal took : 55 ms
[2026-05-23 20:43:27] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3808080257011087952.gal : 16 ms
[2026-05-23 20:43:27] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17337614721196130939.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/ReachabilityCardinality3808080257011087952.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17337614721196130939.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/ReachabilityCardinality17337614721196130939.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 8
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :8 after 34
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :34 after 37
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :37 after 40
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :40 after 55
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :55 after 210
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :210 after 394
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :394 after 876
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :876 after 2492
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :2492 after 3947
Interrupted probabilistic random walk after 402080 steps, run timeout after 3001 ms. (steps per millisecond=133 ) properties seen :0 out of 2
Probabilistic random walk after 402080 steps, saw 108985 distinct states, run finished after 3001 ms. (steps per millisecond=133 ) properties seen :0
[2026-05-23 20:43:30] [INFO ] Flow matrix only has 371 transitions (discarded 594 similar events)
[2026-05-23 20:43:30] [INFO ] Invariant cache hit.
[2026-05-23 20:43:30] [INFO ] State equation strengthened by 164 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) 35/36 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/36 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 2/38 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:43:30] [INFO ] Deduced a trap composed of 3 places in 41 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 61/99 variables, 38/42 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/99 variables, 2/44 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/99 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 56/155 variables, 6/50 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/155 variables, 1/51 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/155 variables, 8/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/155 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 90/245 variables, 40/99 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/245 variables, 17/116 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/245 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 140/385 variables, 10/126 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/385 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (OVERLAPS) 10/395 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/395 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 210/605 variables, 150/281 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 21 (INCLUDED_ONLY) 0/605 variables, 137/418 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/605 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (OVERLAPS) 0/605 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 605/605 variables, and 418 constraints, problems are : Problem set: 0 solved, 2 unsolved in 626 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 234/234 constraints, ReadFeed: 164/164 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 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) 35/36 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/36 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 2/38 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 61/99 variables, 38/42 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/99 variables, 2/44 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/99 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 56/155 variables, 6/50 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/155 variables, 1/51 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/155 variables, 8/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/155 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 90/245 variables, 40/99 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/245 variables, 17/116 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/245 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 140/385 variables, 10/126 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/385 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (OVERLAPS) 10/395 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/395 variables, 2/133 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:43:31] [INFO ] Deduced a trap composed of 13 places in 82 ms of which 4 ms to minimize.
At refinement iteration 20 (INCLUDED_ONLY) 0/395 variables, 1/134 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/395 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 210/605 variables, 150/284 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/605 variables, 137/421 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/605 variables, 0/421 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 25 (OVERLAPS) 0/605 variables, 0/421 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 605/605 variables, and 421 constraints, problems are : Problem set: 0 solved, 2 unsolved in 724 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 234/234 constraints, ReadFeed: 164/164 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1363ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 91 ms.
Support contains 1 out of 234 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 234/234 places, 965/965 transitions.
Applied a total of 0 rules in 28 ms. Remains 234 /234 variables (removed 0) and now considering 965/965 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28 ms. Remains : 234/234 places, 965/965 transitions.
RANDOM walk for 40000 steps (8 resets) in 169 ms. (235 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 35 ms. (1111 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 43 ms. (909 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :3947 after 14613
Interrupted probabilistic random walk after 387807 steps, run timeout after 3001 ms. (steps per millisecond=129 ) properties seen :0 out of 2
Probabilistic random walk after 387807 steps, saw 107002 distinct states, run finished after 3001 ms. (steps per millisecond=129 ) properties seen :0
[2026-05-23 20:43:34] [INFO ] Flow matrix only has 371 transitions (discarded 594 similar events)
[2026-05-23 20:43:34] [INFO ] Invariant cache hit.
[2026-05-23 20:43:34] [INFO ] State equation strengthened by 164 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) 35/36 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/36 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 2/38 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:43:35] [INFO ] Deduced a trap composed of 3 places in 42 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 61/99 variables, 38/42 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/99 variables, 2/44 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/99 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 56/155 variables, 6/50 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/155 variables, 1/51 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/155 variables, 8/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/155 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 90/245 variables, 40/99 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/245 variables, 17/116 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/245 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 140/385 variables, 10/126 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/385 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (OVERLAPS) 10/395 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/395 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 210/605 variables, 150/281 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 21 (INCLUDED_ONLY) 0/605 variables, 137/418 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/605 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (OVERLAPS) 0/605 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 605/605 variables, and 418 constraints, problems are : Problem set: 0 solved, 2 unsolved in 567 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 234/234 constraints, ReadFeed: 164/164 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 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) 35/36 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/36 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 2/38 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 61/99 variables, 38/42 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/99 variables, 2/44 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/99 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 56/155 variables, 6/50 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/155 variables, 1/51 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/155 variables, 8/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/155 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 90/245 variables, 40/99 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/245 variables, 17/116 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/245 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 140/385 variables, 10/126 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/385 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (OVERLAPS) 10/395 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/395 variables, 2/133 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:43:35] [INFO ] Deduced a trap composed of 13 places in 76 ms of which 5 ms to minimize.
At refinement iteration 20 (INCLUDED_ONLY) 0/395 variables, 1/134 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/395 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 210/605 variables, 150/284 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/605 variables, 137/421 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/605 variables, 0/421 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 25 (OVERLAPS) 0/605 variables, 0/421 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 605/605 variables, and 421 constraints, problems are : Problem set: 0 solved, 2 unsolved in 698 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 234/234 constraints, ReadFeed: 164/164 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1277ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 132 ms.
Support contains 1 out of 234 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 234/234 places, 965/965 transitions.
Applied a total of 0 rules in 27 ms. Remains 234 /234 variables (removed 0) and now considering 965/965 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28 ms. Remains : 234/234 places, 965/965 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 234/234 places, 965/965 transitions.
Applied a total of 0 rules in 25 ms. Remains 234 /234 variables (removed 0) and now considering 965/965 (removed 0) transitions.
[2026-05-23 20:43:36] [INFO ] Flow matrix only has 371 transitions (discarded 594 similar events)
[2026-05-23 20:43:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 20:43:36] [INFO ] Implicit Places using invariants in 371 ms returned []
[2026-05-23 20:43:36] [INFO ] Flow matrix only has 371 transitions (discarded 594 similar events)
[2026-05-23 20:43:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :14613 after 25231
[2026-05-23 20:43:36] [INFO ] State equation strengthened by 164 read => feed constraints.
[2026-05-23 20:43:37] [INFO ] Implicit Places using invariants and state equation in 1161 ms returned []
Implicit Place search using SMT with State Equation took 1535 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 20:43:37] [INFO ] Redundant transitions in 14 ms returned []
Running 959 sub problems to find dead transitions.
[2026-05-23 20:43:37] [INFO ] Flow matrix only has 371 transitions (discarded 594 similar events)
[2026-05-23 20:43:37] [INFO ] Invariant cache hit.
[2026-05-23 20:43:37] [INFO ] State equation strengthened by 164 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/233 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 959 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/233 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 959 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:43:44] [INFO ] Deduced a trap composed of 3 places in 115 ms of which 6 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 32768
[2026-05-23 20:43:45] [INFO ] Deduced a trap composed of 3 places in 97 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD size :25231 after 79847
[2026-05-23 20:43:45] [INFO ] Deduced a trap composed of 3 places in 60 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:43:45] [INFO ] Deduced a trap composed of 3 places in 43 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:43:46] [INFO ] Deduced a trap composed of 3 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:43:46] [INFO ] Deduced a trap composed of 28 places in 131 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:43:46] [INFO ] Deduced a trap composed of 11 places in 69 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:43:47] [INFO ] Deduced a trap composed of 15 places in 70 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:43:48] [INFO ] Deduced a trap composed of 17 places in 134 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:43:48] [INFO ] Deduced a trap composed of 17 places in 78 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:43:48] [INFO ] Deduced a trap composed of 19 places in 77 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:43:49] [INFO ] Deduced a trap composed of 19 places in 77 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:43:49] [INFO ] Deduced a trap composed of 21 places in 65 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:43:50] [INFO ] Deduced a trap composed of 23 places in 109 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:43:50] [INFO ] Deduced a trap composed of 25 places in 79 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:43:51] [INFO ] Deduced a trap composed of 27 places in 77 ms of which 7 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/233 variables, 16/32 constraints. Problems are: Problem set: 0 solved, 959 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:43:57] [INFO ] Deduced a trap composed of 40 places in 151 ms of which 10 ms to minimize.
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :79847 after 320001
At refinement iteration 3 (INCLUDED_ONLY) 0/233 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 959 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 233/605 variables, and 33 constraints, problems are : Problem set: 0 solved, 959 unsolved in 30050 ms.
Refiners :[Positive P Invariants (semi-flows): 11/13 constraints, Generalized P Invariants (flows): 5/6 constraints, State Equation: 0/234 constraints, ReadFeed: 0/164 constraints, PredecessorRefiner: 959/959 constraints, Known Traps: 17/17 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 959 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/233 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 959 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/233 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 959 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/233 variables, 17/33 constraints. Problems are: Problem set: 0 solved, 959 unsolved
Detected timeout of ITS tools.
[2026-05-23 20:44:17] [INFO ] Flatten gal took : 53 ms
[2026-05-23 20:44:17] [INFO ] Applying decomposition
[2026-05-23 20:44:17] [INFO ] Flatten gal took : 43 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/graph262936005684066229.txt' '-o' '/tmp/graph262936005684066229.bin' '-w' '/tmp/graph262936005684066229.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph262936005684066229.bin' '-l' '-1' '-v' '-w' '/tmp/graph262936005684066229.weights' '-q' '0' '-e' '0.001'
[2026-05-23 20:44:17] [INFO ] Decomposing Gal with order
[2026-05-23 20:44:17] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 20:44:18] [INFO ] Removed a total of 1793 redundant transitions.
[2026-05-23 20:44:18] [INFO ] Flatten gal took : 156 ms
[2026-05-23 20:44:18] [INFO ] Fuse similar labels procedure discarded/fused a total of 363 labels/synchronizations in 56 ms.
[2026-05-23 20:44:18] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6539594095400541583.gal : 11 ms
[2026-05-23 20:44:18] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality89532523719883828.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/ReachabilityCardinality6539594095400541583.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality89532523719883828.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 ...305
Loading property file /tmp/ReachabilityCardinality89532523719883828.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 222
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :222 after 389
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :389 after 709
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :709 after 1429
At refinement iteration 3 (INCLUDED_ONLY) 0/233 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 959 unsolved
At refinement iteration 4 (OVERLAPS) 1/234 variables, 2/35 constraints. Problems are: Problem set: 0 solved, 959 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/234 variables, 1/36 constraints. Problems are: Problem set: 0 solved, 959 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:44:23] [INFO ] Deduced a trap composed of 3 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:44:24] [INFO ] Deduced a trap composed of 32 places in 152 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:44:24] [INFO ] Deduced a trap composed of 32 places in 148 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:44:24] [INFO ] Deduced a trap composed of 13 places in 170 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:44:25] [INFO ] Deduced a trap composed of 32 places in 158 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:44:25] [INFO ] Deduced a trap composed of 32 places in 243 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:44:25] [INFO ] Deduced a trap composed of 32 places in 143 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:44:25] [INFO ] Deduced a trap composed of 32 places in 174 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:44:26] [INFO ] Deduced a trap composed of 50 places in 148 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:44:27] [INFO ] Deduced a trap composed of 34 places in 175 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:44:27] [INFO ] Deduced a trap composed of 45 places in 152 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:44:27] [INFO ] Deduced a trap composed of 39 places in 178 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:44:27] [INFO ] Deduced a trap composed of 44 places in 194 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:44:28] [INFO ] Deduced a trap composed of 15 places in 147 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:44:29] [INFO ] Deduced a trap composed of 34 places in 160 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:44:29] [INFO ] Deduced a trap composed of 19 places in 79 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:44:30] [INFO ] Deduced a trap composed of 44 places in 223 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:44:31] [INFO ] Deduced a trap composed of 29 places in 766 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:44:32] [INFO ] Deduced a trap composed of 55 places in 225 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:44:32] [INFO ] Deduced a trap composed of 21 places in 84 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/234 variables, 20/56 constraints. Problems are: Problem set: 0 solved, 959 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 20:44:38] [INFO ] Deduced a trap composed of 23 places in 78 ms of which 5 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 234/605 variables, and 57 constraints, problems are : Problem set: 0 solved, 959 unsolved in 30032 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 0/234 constraints, ReadFeed: 0/164 constraints, PredecessorRefiner: 0/959 constraints, Known Traps: 38/38 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60312ms problems are : Problem set: 0 solved, 959 unsolved
Search for dead transitions found 0 dead transitions in 60317ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61899 ms. Remains : 234/234 places, 965/965 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 880 edges and 234 vertex of which 36 / 234 are part of one of the 6 SCC in 1 ms
Free SCC test removed 30 places
Drop transitions (Empty/Sink Transition effects.) removed 114 transitions
Ensure Unique test removed 570 transitions
Reduce isomorphic transitions removed 684 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 47 transitions
Trivial Post-agglo rules discarded 47 transitions
Performed 47 trivial Post agglomeration. Transition count delta: 47
Iterating post reduction 0 with 47 rules applied. Total rules applied 48 place count 204 transition count 234
Reduce places removed 47 places and 0 transitions.
Iterating post reduction 1 with 47 rules applied. Total rules applied 95 place count 157 transition count 234
Performed 13 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 13 Pre rules applied. Total rules applied 95 place count 157 transition count 221
Deduced a syphon composed of 13 places in 0 ms
Ensure Unique test removed 6 places
Reduce places removed 19 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 127 place count 138 transition count 221
Performed 59 Post agglomeration using F-continuation condition.Transition count delta: 59
Deduced a syphon composed of 59 places in 0 ms
Reduce places removed 59 places and 0 transitions.
Iterating global reduction 2 with 118 rules applied. Total rules applied 245 place count 79 transition count 162
Ensure Unique test removed 30 transitions
Reduce isomorphic transitions removed 30 transitions.
Iterating post reduction 2 with 30 rules applied. Total rules applied 275 place count 79 transition count 132
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: -14
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 289 place count 72 transition count 146
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 3 with 6 rules applied. Total rules applied 295 place count 72 transition count 140
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 4 with 6 rules applied. Total rules applied 301 place count 72 transition count 134
Free-agglomeration rule applied 26 times.
Iterating global reduction 4 with 26 rules applied. Total rules applied 327 place count 72 transition count 108
Reduce places removed 26 places and 0 transitions.
Iterating post reduction 4 with 26 rules applied. Total rules applied 353 place count 46 transition count 108
Partial Free-agglomeration rule applied 9 times.
Drop transitions (Partial Free agglomeration) removed 9 transitions
Iterating global reduction 5 with 9 rules applied. Total rules applied 362 place count 46 transition count 108
Applied a total of 362 rules in 27 ms. Remains 46 /234 variables (removed 188) and now considering 108/965 (removed 857) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 108 rows 46 cols
[2026-05-23 20:44:38] [INFO ] Computed 13 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-23 20:44:38] [INFO ] [Real]Absence check using 13 positive place invariants in 4 ms returned sat
[2026-05-23 20:44:38] [INFO ] After 52ms SMT Verify possible using state equation in real domain returned unsat :0 sat :2
[2026-05-23 20:44:38] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-23 20:44:38] [INFO ] After 14ms SMT Verify possible using 6 Read/Feed constraints in real domain returned unsat :0 sat :0 real:2
[2026-05-23 20:44:38] [INFO ] After 123ms 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
[2026-05-23 20:44:38] [INFO ] [Nat]Absence check using 13 positive place invariants in 4 ms returned sat
[2026-05-23 20:44:38] [INFO ] After 49ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2026-05-23 20:44:38] [INFO ] After 13ms SMT Verify possible using 6 Read/Feed constraints in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2026-05-23 20:44:38] [INFO ] After 28ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2026-05-23 20:44:38] [INFO ] After 132ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2026-05-23 20:44:38] [INFO ] Flatten gal took : 12 ms
[2026-05-23 20:44:38] [INFO ] Flatten gal took : 8 ms
[2026-05-23 20:44:38] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13241568810226363351.gal : 2 ms
[2026-05-23 20:44:38] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2293571965410585165.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/ReachabilityCardinality13241568810226363351.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2293571965410585165.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/ReachabilityCardinality2293571965410585165.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :6 after 32
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :32 after 130
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :130 after 144
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :144 after 600
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :600 after 2925
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,168750,0.030797,5180,2,164,11,1935,8,0,294,1322,0
Total reachable state count : 168750

Verifying 2 reachability properties.
Reachability property MAX0 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX0,750,0.031192,5180,2,94,11,1935,8,0,296,1322,0
Invariant property MIN0 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,750,0.031421,5180,2,94,11,1935,8,0,296,1322,0
Over-approximation ignoring read arcs solved 0 properties in 357 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 EisenbergMcGuire-PT-06-UpperBounds-14 in 138159 ms.
[2026-05-23 20:44:38] [INFO ] Flatten gal took : 38 ms
[2026-05-23 20:44:38] [INFO ] Applying decomposition
[2026-05-23 20:44:38] [INFO ] Flatten gal took : 47 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/graph16181928178678240472.txt' '-o' '/tmp/graph16181928178678240472.bin' '-w' '/tmp/graph16181928178678240472.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph16181928178678240472.bin' '-l' '-1' '-v' '-w' '/tmp/graph16181928178678240472.weights' '-q' '0' '-e' '0.001'
[2026-05-23 20:44:38] [INFO ] Decomposing Gal with order
[2026-05-23 20:44:38] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 20:44:38] [INFO ] Removed a total of 1807 redundant transitions.
[2026-05-23 20:44:39] [INFO ] Flatten gal took : 109 ms
[2026-05-23 20:44:39] [INFO ] Fuse similar labels procedure discarded/fused a total of 300 labels/synchronizations in 44 ms.
[2026-05-23 20:44:39] [INFO ] Time to serialize gal into /tmp/UpperBounds11204785849676299514.gal : 12 ms
[2026-05-23 20:44:39] [INFO ] Time to serialize properties into /tmp/UpperBounds15691562456094891884.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/UpperBounds11204785849676299514.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds15691562456094891884.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 ...285
Loading property file /tmp/UpperBounds15691562456094891884.prop.
Detected timeout of ITS tools.
[2026-05-23 21:06:37] [INFO ] Applying decomposition
[2026-05-23 21:06:37] [INFO ] Flatten gal took : 56 ms
[2026-05-23 21:06:38] [INFO ] Decomposing Gal with order
[2026-05-23 21:06:38] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 21:06:38] [INFO ] Removed a total of 2122 redundant transitions.
[2026-05-23 21:06:38] [INFO ] Flatten gal took : 124 ms
[2026-05-23 21:06:38] [INFO ] Fuse similar labels procedure discarded/fused a total of 88 labels/synchronizations in 15 ms.
[2026-05-23 21:06:38] [INFO ] Time to serialize gal into /tmp/UpperBounds6298570744011752603.gal : 8 ms
[2026-05-23 21:06:38] [INFO ] Time to serialize properties into /tmp/UpperBounds14968445160804840677.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/UpperBounds6298570744011752603.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds14968445160804840677.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 ...284
Loading property file /tmp/UpperBounds14968445160804840677.prop.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,1.39585e+08,577.655,4544280,104759,15990,5.74629e+06,233752,1501,1.18463e+07,610,2.50404e+06,0
Total reachable state count : 139584854

Verifying 1 reachability properties.
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property EisenbergMcGuire-PT-06-UpperBounds-14 :0 <= u1.p37_2_0 <= 1
FORMULA EisenbergMcGuire-PT-06-UpperBounds-14 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
EisenbergMcGuire-PT-06-UpperBounds-14,0,582.504,4544280,1,0,5.74629e+06,233752,1592,1.18463e+07,772,2.50404e+06,252
Total runtime 2260555 ms.

BK_STOP 1779570982810

--------------------
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

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="EisenbergMcGuire-PT-06"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2025"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5973"
echo " Executing tool gold2025"
echo " Input is EisenbergMcGuire-PT-06, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r127-smll-177955743800033"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/EisenbergMcGuire-PT-06.tgz
mv EisenbergMcGuire-PT-06 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "UpperBounds.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;