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.r095-smll-177946996300057.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 DES-PT-60b, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r095-smll-177946996300057
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 568K
-rw-r--r-- 1 mcc users 5.5K Mar 6 18:24 CTLCardinality.txt
-rw-r--r-- 1 mcc users 53K Mar 6 18:24 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.5K Mar 6 18:24 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K Mar 6 18:24 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.5K Mar 15 09:00 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 09:00 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 09:00 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 09:00 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Mar 6 18:24 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 160K Mar 6 18:24 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.7K Mar 6 18:24 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 44K Mar 6 18:24 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Mar 15 09:00 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K Mar 15 09:00 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 139K 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 DES-PT-60b-UpperBounds-00
FORMULA_NAME DES-PT-60b-UpperBounds-01
FORMULA_NAME DES-PT-60b-UpperBounds-02
FORMULA_NAME DES-PT-60b-UpperBounds-03
FORMULA_NAME DES-PT-60b-UpperBounds-04
FORMULA_NAME DES-PT-60b-UpperBounds-05
FORMULA_NAME DES-PT-60b-UpperBounds-06
FORMULA_NAME DES-PT-60b-UpperBounds-07
FORMULA_NAME DES-PT-60b-UpperBounds-08
FORMULA_NAME DES-PT-60b-UpperBounds-09
FORMULA_NAME DES-PT-60b-UpperBounds-10
FORMULA_NAME DES-PT-60b-UpperBounds-11
FORMULA_NAME DES-PT-60b-UpperBounds-12
FORMULA_NAME DES-PT-60b-UpperBounds-13
FORMULA_NAME DES-PT-60b-UpperBounds-14
FORMULA_NAME DES-PT-60b-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779528729648

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DES-PT-60b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-23 09:32:11] [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 09:32:11] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 09:32:11] [INFO ] Load time of PNML (sax parser for PT used): 156 ms
[2026-05-23 09:32:11] [INFO ] Transformed 519 places.
[2026-05-23 09:32:11] [INFO ] Transformed 470 transitions.
[2026-05-23 09:32:11] [INFO ] Found NUPN structural information;
[2026-05-23 09:32:11] [INFO ] Parsed PT model containing 519 places and 470 transitions and 1623 arcs in 321 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 11 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]
// Phase 1: matrix 470 rows 519 cols
[2026-05-23 09:32:11] [INFO ] Computed 65 invariants in 65 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 (86 resets) in 75 ms. (131 steps per ms)
FORMULA DES-PT-60b-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DES-PT-60b-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DES-PT-60b-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DES-PT-60b-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DES-PT-60b-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DES-PT-60b-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DES-PT-60b-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 90007 steps (96 resets) in 216 ms. (414 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1]
[2026-05-23 09:32:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 09:32:12] [INFO ] [Real]Absence check using 39 positive place invariants in 41 ms returned sat
[2026-05-23 09:32:12] [INFO ] [Real]Absence check using 39 positive and 26 generalized place invariants in 53 ms returned sat
[2026-05-23 09:32:13] [INFO ] [Real]Absence check using state equation in 469 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:32:13] [INFO ] Deduced a trap composed of 10 places in 290 ms of which 23 ms to minimize.
[2026-05-23 09:32:13] [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 09:32:14] [INFO ] [Nat]Absence check using 39 positive place invariants in 130 ms returned sat
[2026-05-23 09:32:14] [INFO ] [Nat]Absence check using 39 positive and 26 generalized place invariants in 41 ms returned sat
[2026-05-23 09:32:14] [INFO ] [Nat]Absence check using state equation in 396 ms returned sat
[2026-05-23 09:32:14] [INFO ] Computed and/alt/rep : 464/1033/464 causal constraints (skipped 5 transitions) in 59 ms.
[2026-05-23 09:32:18] [INFO ] Added : 225 causal constraints over 45 iterations in 4184 ms. Result :unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 09:32:19] [INFO ] [Real]Absence check using 39 positive place invariants in 27 ms returned sat
[2026-05-23 09:32:19] [INFO ] [Real]Absence check using 39 positive and 26 generalized place invariants in 38 ms returned sat
[2026-05-23 09:32:19] [INFO ] [Real]Absence check using state equation in 595 ms returned sat
[2026-05-23 09:32:19] [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 09:32:20] [INFO ] [Nat]Absence check using 39 positive place invariants in 39 ms returned sat
[2026-05-23 09:32:20] [INFO ] [Nat]Absence check using 39 positive and 26 generalized place invariants in 57 ms returned sat
[2026-05-23 09:32:20] [INFO ] [Nat]Absence check using state equation in 718 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:32:21] [INFO ] Deduced a trap composed of 8 places in 373 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:32:21] [INFO ] Deduced a trap composed of 12 places in 252 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:32:21] [INFO ] Deduced a trap composed of 17 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 09:32:21] [INFO ] Deduced a trap composed of 34 places in 185 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:32:22] [INFO ] Deduced a trap composed of 19 places in 206 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:32:22] [INFO ] Deduced a trap composed of 20 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 09:32:22] [INFO ] Deduced a trap composed of 21 places in 174 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:32:22] [INFO ] Deduced a trap composed of 22 places in 172 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:32:22] [INFO ] Deduced a trap composed of 23 places in 189 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:32:23] [INFO ] Deduced a trap composed of 24 places in 164 ms of which 13 ms to minimize.
[2026-05-23 09:32:23] [INFO ] Trap strengthening (SAT) tested/added 11/10 trap constraints in 2410 ms
[2026-05-23 09:32:23] [INFO ] Computed and/alt/rep : 464/1033/464 causal constraints (skipped 5 transitions) in 35 ms.
Maximisation of solution failed !
Minimization took 0 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 09:32:24] [INFO ] [Real]Absence check using 39 positive place invariants in 39 ms returned sat
[2026-05-23 09:32:25] [INFO ] [Real]Absence check using 39 positive and 26 generalized place invariants in 70 ms returned sat
[2026-05-23 09:32:25] [INFO ] [Real]Absence check using state equation in 596 ms returned sat
[2026-05-23 09:32:25] [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 09:32:25] [INFO ] [Nat]Absence check using 39 positive place invariants in 26 ms returned sat
[2026-05-23 09:32:25] [INFO ] [Nat]Absence check using 39 positive and 26 generalized place invariants in 51 ms returned sat
[2026-05-23 09:32:26] [INFO ] [Nat]Absence check using state equation in 452 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:32:26] [INFO ] Deduced a trap composed of 8 places in 419 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:32:27] [INFO ] Deduced a trap composed of 12 places in 429 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:32:27] [INFO ] Deduced a trap composed of 14 places in 321 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:32:27] [INFO ] Deduced a trap composed of 17 places in 318 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:32:28] [INFO ] Deduced a trap composed of 34 places in 387 ms of which 43 ms to minimize.
[2026-05-23 09:32:28] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 2039 ms
[2026-05-23 09:32:28] [INFO ] Computed and/alt/rep : 464/1033/464 causal constraints (skipped 5 transitions) in 58 ms.
[2026-05-23 09:32:30] [INFO ] Added : 190 causal constraints over 38 iterations in 2299 ms. Result :unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 09:32:30] [INFO ] [Real]Absence check using 39 positive place invariants in 39 ms returned sat
[2026-05-23 09:32:30] [INFO ] [Real]Absence check using 39 positive and 26 generalized place invariants in 67 ms returned sat
[2026-05-23 09:32:31] [INFO ] [Real]Absence check using state equation in 521 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:32:31] [INFO ] Deduced a trap composed of 8 places in 397 ms of which 17 ms to minimize.
[2026-05-23 09:32:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 09:32:32] [INFO ] [Nat]Absence check using 39 positive place invariants in 27 ms returned sat
[2026-05-23 09:32:32] [INFO ] [Nat]Absence check using 39 positive and 26 generalized place invariants in 42 ms returned sat
[2026-05-23 09:32:32] [INFO ] [Nat]Absence check using state equation in 430 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:32:32] [INFO ] Deduced a trap composed of 9 places in 237 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:32:33] [INFO ] Deduced a trap composed of 30 places in 107 ms of which 13 ms to minimize.
[2026-05-23 09:32:33] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 444 ms
[2026-05-23 09:32:33] [INFO ] Computed and/alt/rep : 464/1033/464 causal constraints (skipped 5 transitions) in 56 ms.
[2026-05-23 09:32:37] [INFO ] Added : 270 causal constraints over 54 iterations in 3926 ms. Result :unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 09:32:37] [INFO ] [Real]Absence check using 39 positive place invariants in 25 ms returned sat
[2026-05-23 09:32:37] [INFO ] [Real]Absence check using 39 positive and 26 generalized place invariants in 39 ms returned sat
[2026-05-23 09:32:37] [INFO ] [Real]Absence check using state equation in 332 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:32:38] [INFO ] Deduced a trap composed of 8 places in 434 ms of which 27 ms to minimize.
[2026-05-23 09:32:38] [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 09:32:38] [INFO ] [Nat]Absence check using 39 positive place invariants in 32 ms returned sat
[2026-05-23 09:32:38] [INFO ] [Nat]Absence check using 39 positive and 26 generalized place invariants in 43 ms returned sat
[2026-05-23 09:32:38] [INFO ] [Nat]Absence check using state equation in 386 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:32:38] [INFO ] Deduced a trap composed of 9 places in 223 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:32:39] [INFO ] Deduced a trap composed of 10 places in 196 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:32:39] [INFO ] Deduced a trap composed of 13 places in 194 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:32:39] [INFO ] Deduced a trap composed of 14 places in 199 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:32:39] [INFO ] Deduced a trap composed of 20 places in 133 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:32:39] [INFO ] Deduced a trap composed of 14 places in 147 ms of which 8 ms to minimize.
[2026-05-23 09:32:40] [INFO ] Trap strengthening (SAT) tested/added 7/6 trap constraints in 1282 ms
[2026-05-23 09:32:40] [INFO ] Computed and/alt/rep : 464/1033/464 causal constraints (skipped 5 transitions) in 41 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 09:32:43] [INFO ] [Real]Absence check using 39 positive place invariants in 36 ms returned sat
[2026-05-23 09:32:43] [INFO ] [Real]Absence check using 39 positive and 26 generalized place invariants in 52 ms returned sat
[2026-05-23 09:32:43] [INFO ] [Real]Absence check using state equation in 508 ms returned sat
[2026-05-23 09:32:43] [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 09:32:44] [INFO ] [Nat]Absence check using 39 positive place invariants in 33 ms returned sat
[2026-05-23 09:32:44] [INFO ] [Nat]Absence check using 39 positive and 26 generalized place invariants in 69 ms returned sat
[2026-05-23 09:32:44] [INFO ] [Nat]Absence check using state equation in 389 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:32:45] [INFO ] Deduced a trap composed of 7 places in 373 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:32:45] [INFO ] Deduced a trap composed of 9 places in 547 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:32:45] [INFO ] Deduced a trap composed of 17 places in 323 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:32:46] [INFO ] Deduced a trap composed of 22 places in 301 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:32:46] [INFO ] Deduced a trap composed of 34 places in 219 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:32:46] [INFO ] Deduced a trap composed of 35 places in 170 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:32:46] [INFO ] Deduced a trap composed of 36 places in 154 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:32:47] [INFO ] Deduced a trap composed of 37 places in 161 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:32:47] [INFO ] Deduced a trap composed of 38 places in 175 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:32:47] [INFO ] Deduced a trap composed of 39 places in 175 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:32:47] [INFO ] Deduced a trap composed of 40 places in 173 ms of which 17 ms to minimize.
[2026-05-23 09:32:47] [INFO ] Trap strengthening (SAT) tested/added 12/11 trap constraints in 3146 ms
[2026-05-23 09:32:47] [INFO ] Computed and/alt/rep : 464/1033/464 causal constraints (skipped 5 transitions) in 42 ms.
[2026-05-23 09:32:48] [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 09:32:49] [INFO ] [Real]Absence check using 39 positive place invariants in 26 ms returned sat
[2026-05-23 09:32:49] [INFO ] [Real]Absence check using 39 positive and 26 generalized place invariants in 46 ms returned sat
[2026-05-23 09:32:49] [INFO ] [Real]Absence check using state equation in 337 ms returned sat
[2026-05-23 09:32:49] [INFO ] Computed and/alt/rep : 464/1033/464 causal constraints (skipped 5 transitions) in 34 ms.
[2026-05-23 09:32:49] [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 09:32:49] [INFO ] [Nat]Absence check using 39 positive place invariants in 30 ms returned sat
[2026-05-23 09:32:50] [INFO ] [Nat]Absence check using 39 positive and 26 generalized place invariants in 44 ms returned sat
[2026-05-23 09:32:50] [INFO ] [Nat]Absence check using state equation in 584 ms returned sat
[2026-05-23 09:32:50] [INFO ] Computed and/alt/rep : 464/1033/464 causal constraints (skipped 5 transitions) in 38 ms.
[2026-05-23 09:32:51] [INFO ] Added : 5 causal constraints over 1 iterations in 668 ms. Result :sat
Minimization took 508 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 09:32:52] [INFO ] [Real]Absence check using 39 positive place invariants in 24 ms returned sat
[2026-05-23 09:32:52] [INFO ] [Real]Absence check using 39 positive and 26 generalized place invariants in 42 ms returned sat
[2026-05-23 09:32:52] [INFO ] [Real]Absence check using state equation in 484 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:32:52] [INFO ] Deduced a trap composed of 41 places in 361 ms of which 43 ms to minimize.
[2026-05-23 09:32:53] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 09:32:53] [INFO ] [Nat]Absence check using 39 positive place invariants in 28 ms returned sat
[2026-05-23 09:32:53] [INFO ] [Nat]Absence check using 39 positive and 26 generalized place invariants in 42 ms returned sat
[2026-05-23 09:32:53] [INFO ] [Nat]Absence check using state equation in 383 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:32:53] [INFO ] Deduced a trap composed of 22 places in 257 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:32:54] [INFO ] Deduced a trap composed of 41 places in 269 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:32:54] [INFO ] Deduced a trap composed of 50 places in 346 ms of which 45 ms to minimize.
[2026-05-23 09:32:54] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 981 ms
[2026-05-23 09:32:54] [INFO ] Computed and/alt/rep : 464/1033/464 causal constraints (skipped 5 transitions) in 32 ms.
Maximisation of solution failed !
Minimization took 2 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 09:32:58] [INFO ] [Real]Absence check using 39 positive place invariants in 37 ms returned sat
[2026-05-23 09:32:58] [INFO ] [Real]Absence check using 39 positive and 26 generalized place invariants in 71 ms returned sat
[2026-05-23 09:32:58] [INFO ] [Real]Absence check using state equation in 566 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:32:59] [INFO ] Deduced a trap composed of 10 places in 340 ms of which 22 ms to minimize.
[2026-05-23 09:32:59] [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 09:32:59] [INFO ] [Nat]Absence check using 39 positive place invariants in 34 ms returned sat
[2026-05-23 09:32:59] [INFO ] [Nat]Absence check using 39 positive and 26 generalized place invariants in 38 ms returned sat
[2026-05-23 09:33:00] [INFO ] [Nat]Absence check using state equation in 419 ms returned sat
[2026-05-23 09:33:00] [INFO ] Computed and/alt/rep : 464/1033/464 causal constraints (skipped 5 transitions) in 31 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, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1]
Support contains 9 out of 519 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 519/519 places, 470/470 transitions.
Graph (complete) has 1218 edges and 519 vertex of which 508 are kept as prefixes of interest. Removing 11 places using SCC suffix rule.3 ms
Discarding 11 places :
Also discarding 5 output transitions
Drop transitions (Output transitions of discarded places.) removed 5 transitions
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 21 transitions
Trivial Post-agglo rules discarded 21 transitions
Performed 21 trivial Post agglomeration. Transition count delta: 21
Iterating post reduction 0 with 23 rules applied. Total rules applied 24 place count 508 transition count 442
Reduce places removed 21 places and 0 transitions.
Iterating post reduction 1 with 21 rules applied. Total rules applied 45 place count 487 transition count 442
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 9 Pre rules applied. Total rules applied 45 place count 487 transition count 433
Deduced a syphon composed of 9 places in 2 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 2 with 18 rules applied. Total rules applied 63 place count 478 transition count 433
Discarding 19 places :
Symmetric choice reduction at 2 with 19 rule applications. Total rules 82 place count 459 transition count 414
Iterating global reduction 2 with 19 rules applied. Total rules applied 101 place count 459 transition count 414
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 101 place count 459 transition count 413
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 103 place count 458 transition count 413
Discarding 15 places :
Symmetric choice reduction at 2 with 15 rule applications. Total rules 118 place count 443 transition count 398
Iterating global reduction 2 with 15 rules applied. Total rules applied 133 place count 443 transition count 398
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 2 with 15 rules applied. Total rules applied 148 place count 443 transition count 383
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 151 place count 441 transition count 382
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 3 Pre rules applied. Total rules applied 151 place count 441 transition count 379
Deduced a syphon composed of 3 places in 2 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 4 with 6 rules applied. Total rules applied 157 place count 438 transition count 379
Performed 77 Post agglomeration using F-continuation condition.Transition count delta: 77
Deduced a syphon composed of 77 places in 1 ms
Reduce places removed 77 places and 0 transitions.
Iterating global reduction 4 with 154 rules applied. Total rules applied 311 place count 361 transition count 302
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 315 place count 359 transition count 304
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 4 with 1 rules applied. Total rules applied 316 place count 359 transition count 303
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 317 place count 358 transition count 303
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 5 with 1 rules applied. Total rules applied 318 place count 358 transition count 303
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 5 with 1 rules applied. Total rules applied 319 place count 357 transition count 302
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 320 place count 356 transition count 302
Applied a total of 320 rules in 406 ms. Remains 356 /519 variables (removed 163) and now considering 302/470 (removed 168) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 419 ms. Remains : 356/519 places, 302/470 transitions.
// Phase 1: matrix 302 rows 356 cols
[2026-05-23 09:33:10] [INFO ] Computed 60 invariants in 23 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1]
RANDOM walk for 1000000 steps (47938 resets) in 2514 ms. (397 steps per ms)
BEST_FIRST walk for 9000007 steps (82239 resets) in 9427 ms. (954 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1]
[2026-05-23 09:33:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 09:33:22] [INFO ] [Real]Absence check using 36 positive place invariants in 15 ms returned sat
[2026-05-23 09:33:22] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 24 ms returned sat
[2026-05-23 09:33:22] [INFO ] [Real]Absence check using state equation in 243 ms returned sat
[2026-05-23 09:33:22] [INFO ] Computed and/alt/rep : 288/500/288 causal constraints (skipped 11 transitions) in 23 ms.
[2026-05-23 09:33:22] [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 09:33:22] [INFO ] [Nat]Absence check using 36 positive place invariants in 13 ms returned sat
[2026-05-23 09:33:22] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 20 ms returned sat
[2026-05-23 09:33:22] [INFO ] [Nat]Absence check using state equation in 207 ms returned sat
[2026-05-23 09:33:22] [INFO ] Computed and/alt/rep : 288/500/288 causal constraints (skipped 11 transitions) in 22 ms.
[2026-05-23 09:33:24] [INFO ] Added : 236 causal constraints over 48 iterations in 1713 ms. Result :sat
Minimization took 438 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 09:33:25] [INFO ] [Real]Absence check using 36 positive place invariants in 14 ms returned sat
[2026-05-23 09:33:25] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 26 ms returned sat
[2026-05-23 09:33:25] [INFO ] [Real]Absence check using state equation in 222 ms returned sat
[2026-05-23 09:33:25] [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 09:33:25] [INFO ] [Nat]Absence check using 36 positive place invariants in 15 ms returned sat
[2026-05-23 09:33:25] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 24 ms returned sat
[2026-05-23 09:33:25] [INFO ] [Nat]Absence check using state equation in 235 ms returned sat
[2026-05-23 09:33:25] [INFO ] Computed and/alt/rep : 288/500/288 causal constraints (skipped 11 transitions) in 31 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:33:27] [INFO ] Deduced a trap composed of 13 places in 130 ms of which 11 ms to minimize.
[2026-05-23 09:33:27] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 191 ms
[2026-05-23 09:33:27] [INFO ] Added : 143 causal constraints over 29 iterations in 1707 ms. Result :sat
Minimization took 240 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 09:33:27] [INFO ] [Real]Absence check using 36 positive place invariants in 13 ms returned sat
[2026-05-23 09:33:27] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 20 ms returned sat
[2026-05-23 09:33:28] [INFO ] [Real]Absence check using state equation in 200 ms returned sat
[2026-05-23 09:33:28] [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 09:33:28] [INFO ] [Nat]Absence check using 36 positive place invariants in 13 ms returned sat
[2026-05-23 09:33:28] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 21 ms returned sat
[2026-05-23 09:33:28] [INFO ] [Nat]Absence check using state equation in 225 ms returned sat
[2026-05-23 09:33:28] [INFO ] Computed and/alt/rep : 288/500/288 causal constraints (skipped 11 transitions) in 23 ms.
[2026-05-23 09:33:29] [INFO ] Added : 189 causal constraints over 38 iterations in 1460 ms. Result :sat
Minimization took 256 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 09:33:30] [INFO ] [Real]Absence check using 36 positive place invariants in 13 ms returned sat
[2026-05-23 09:33:30] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 22 ms returned sat
[2026-05-23 09:33:30] [INFO ] [Real]Absence check using state equation in 214 ms returned sat
[2026-05-23 09:33:30] [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 09:33:30] [INFO ] [Nat]Absence check using 36 positive place invariants in 13 ms returned sat
[2026-05-23 09:33:30] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 21 ms returned sat
[2026-05-23 09:33:30] [INFO ] [Nat]Absence check using state equation in 206 ms returned sat
[2026-05-23 09:33:30] [INFO ] Computed and/alt/rep : 288/500/288 causal constraints (skipped 11 transitions) in 22 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:33:32] [INFO ] Deduced a trap composed of 15 places in 142 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:33:33] [INFO ] Deduced a trap composed of 60 places in 107 ms of which 13 ms to minimize.
[2026-05-23 09:33:33] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 489 ms
[2026-05-23 09:33:33] [INFO ] Added : 266 causal constraints over 54 iterations in 2424 ms. Result :sat
Minimization took 271 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 09:33:33] [INFO ] [Real]Absence check using 36 positive place invariants in 13 ms returned sat
[2026-05-23 09:33:33] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 21 ms returned sat
[2026-05-23 09:33:33] [INFO ] [Real]Absence check using state equation in 186 ms returned sat
[2026-05-23 09:33:33] [INFO ] Computed and/alt/rep : 288/500/288 causal constraints (skipped 11 transitions) in 22 ms.
[2026-05-23 09:33:33] [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 09:33:34] [INFO ] [Nat]Absence check using 36 positive place invariants in 12 ms returned sat
[2026-05-23 09:33:34] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 21 ms returned sat
[2026-05-23 09:33:34] [INFO ] [Nat]Absence check using state equation in 210 ms returned sat
[2026-05-23 09:33:34] [INFO ] Computed and/alt/rep : 288/500/288 causal constraints (skipped 11 transitions) in 21 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:33:35] [INFO ] Deduced a trap composed of 12 places in 152 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:33:36] [INFO ] Deduced a trap composed of 13 places in 168 ms of which 11 ms to minimize.
[2026-05-23 09:33:36] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 406 ms
[2026-05-23 09:33:36] [INFO ] Added : 210 causal constraints over 43 iterations in 1814 ms. Result :sat
Minimization took 245 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 09:33:36] [INFO ] [Real]Absence check using 36 positive place invariants in 13 ms returned sat
[2026-05-23 09:33:36] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 21 ms returned sat
[2026-05-23 09:33:36] [INFO ] [Real]Absence check using state equation in 196 ms returned sat
[2026-05-23 09:33:36] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 09:33:36] [INFO ] [Nat]Absence check using 36 positive place invariants in 13 ms returned sat
[2026-05-23 09:33:36] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 21 ms returned sat
[2026-05-23 09:33:37] [INFO ] [Nat]Absence check using state equation in 193 ms returned sat
[2026-05-23 09:33:37] [INFO ] Computed and/alt/rep : 288/500/288 causal constraints (skipped 11 transitions) in 21 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:33:39] [INFO ] Deduced a trap composed of 15 places in 139 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:33:39] [INFO ] Deduced a trap composed of 17 places in 109 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:33:39] [INFO ] Deduced a trap composed of 18 places in 112 ms of which 10 ms to minimize.
[2026-05-23 09:33:39] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 611 ms
[2026-05-23 09:33:39] [INFO ] Added : 160 causal constraints over 32 iterations in 2963 ms. Result :sat
Minimization took 240 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 09:33:40] [INFO ] [Real]Absence check using 36 positive place invariants in 13 ms returned sat
[2026-05-23 09:33:40] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 22 ms returned sat
[2026-05-23 09:33:40] [INFO ] [Real]Absence check using state equation in 201 ms returned sat
[2026-05-23 09:33:40] [INFO ] Computed and/alt/rep : 288/500/288 causal constraints (skipped 11 transitions) in 22 ms.
[2026-05-23 09:33:40] [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 09:33:40] [INFO ] [Nat]Absence check using 36 positive place invariants in 13 ms returned sat
[2026-05-23 09:33:40] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 21 ms returned sat
[2026-05-23 09:33:40] [INFO ] [Nat]Absence check using state equation in 219 ms returned sat
[2026-05-23 09:33:41] [INFO ] Computed and/alt/rep : 288/500/288 causal constraints (skipped 11 transitions) in 21 ms.
[2026-05-23 09:33:42] [INFO ] Added : 224 causal constraints over 45 iterations in 1601 ms. Result :sat
Minimization took 308 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 09:33:43] [INFO ] [Real]Absence check using 36 positive place invariants in 13 ms returned sat
[2026-05-23 09:33:43] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 22 ms returned sat
[2026-05-23 09:33:43] [INFO ] [Real]Absence check using state equation in 213 ms returned sat
[2026-05-23 09:33:43] [INFO ] Computed and/alt/rep : 288/500/288 causal constraints (skipped 11 transitions) in 22 ms.
[2026-05-23 09:33:43] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 09:33:43] [INFO ] [Nat]Absence check using 36 positive place invariants in 13 ms returned sat
[2026-05-23 09:33:43] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 21 ms returned sat
[2026-05-23 09:33:43] [INFO ] [Nat]Absence check using state equation in 211 ms returned sat
[2026-05-23 09:33:43] [INFO ] Computed and/alt/rep : 288/500/288 causal constraints (skipped 11 transitions) in 20 ms.
[2026-05-23 09:33:45] [INFO ] Added : 252 causal constraints over 51 iterations in 1860 ms. Result :sat
Minimization took 317 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 09:33:45] [INFO ] [Real]Absence check using 36 positive place invariants in 13 ms returned sat
[2026-05-23 09:33:46] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 21 ms returned sat
[2026-05-23 09:33:46] [INFO ] [Real]Absence check using state equation in 214 ms returned sat
[2026-05-23 09:33:46] [INFO ] Computed and/alt/rep : 288/500/288 causal constraints (skipped 11 transitions) in 21 ms.
[2026-05-23 09:33:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 09:33:46] [INFO ] [Nat]Absence check using 36 positive place invariants in 13 ms returned sat
[2026-05-23 09:33:46] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 22 ms returned sat
[2026-05-23 09:33:46] [INFO ] [Nat]Absence check using state equation in 216 ms returned sat
[2026-05-23 09:33:46] [INFO ] Computed and/alt/rep : 288/500/288 causal constraints (skipped 11 transitions) in 20 ms.
[2026-05-23 09:33:49] [INFO ] Added : 262 causal constraints over 53 iterations in 2459 ms. Result :sat
Minimization took 444 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1]
Support contains 9 out of 356 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 356/356 places, 302/302 transitions.
Applied a total of 0 rules in 18 ms. Remains 356 /356 variables (removed 0) and now considering 302/302 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 356/356 places, 302/302 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 356/356 places, 302/302 transitions.
Applied a total of 0 rules in 25 ms. Remains 356 /356 variables (removed 0) and now considering 302/302 (removed 0) transitions.
[2026-05-23 09:33:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 09:33:56] [INFO ] Implicit Places using invariants in 445 ms returned []
[2026-05-23 09:33:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 09:33:57] [INFO ] Implicit Places using invariants and state equation in 1463 ms returned []
Implicit Place search using SMT with State Equation took 1913 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 09:33:57] [INFO ] Redundant transitions in 19 ms returned []
Running 299 sub problems to find dead transitions.
[2026-05-23 09:33:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/353 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 299 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/353 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 299 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/353 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 299 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/355 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 299 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/355 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 299 unsolved
At refinement iteration 5 (OVERLAPS) 302/657 variables, 355/415 constraints. Problems are: Problem set: 0 solved, 299 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:34:18] [INFO ] Deduced a trap composed of 5 places in 49 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:34:18] [INFO ] Deduced a trap composed of 15 places in 190 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:34:20] [INFO ] Deduced a trap composed of 12 places in 249 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:34:21] [INFO ] Deduced a trap composed of 13 places in 240 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:34:21] [INFO ] Deduced a trap composed of 10 places in 268 ms of which 17 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/657 variables, 5/420 constraints. Problems are: Problem set: 0 solved, 299 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 657/658 variables, and 420 constraints, problems are : Problem set: 0 solved, 299 unsolved in 30032 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 355/356 constraints, PredecessorRefiner: 299/299 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 299 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/353 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 299 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/353 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 299 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/353 variables, 5/58 constraints. Problems are: Problem set: 0 solved, 299 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/353 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 299 unsolved
At refinement iteration 4 (OVERLAPS) 2/355 variables, 7/65 constraints. Problems are: Problem set: 0 solved, 299 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/355 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 299 unsolved
At refinement iteration 6 (OVERLAPS) 302/657 variables, 355/420 constraints. Problems are: Problem set: 0 solved, 299 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/657 variables, 299/719 constraints. Problems are: Problem set: 0 solved, 299 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 657/658 variables, and 719 constraints, problems are : Problem set: 0 solved, 299 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 355/356 constraints, PredecessorRefiner: 299/299 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60422ms problems are : Problem set: 0 solved, 299 unsolved
Search for dead transitions found 0 dead transitions in 60438ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62421 ms. Remains : 356/356 places, 302/302 transitions.
RANDOM walk for 40000 steps (1905 resets) in 1641 ms. (24 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4002 steps (32 resets) in 65 ms. (60 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4002 steps (29 resets) in 71 ms. (55 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4003 steps (33 resets) in 46 ms. (85 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (34 resets) in 38 ms. (102 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4002 steps (33 resets) in 38 ms. (102 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (33 resets) in 47 ms. (83 steps per ms) remains 18/18 properties
[2026-05-23 09:34:58] [INFO ] Flatten gal took : 211 ms
BEST_FIRST walk for 4003 steps (40 resets) in 48 ms. (81 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (36 resets) in 34 ms. (114 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (36 resets) in 43 ms. (91 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4003 steps (37 resets) in 17 ms. (222 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (31 resets) in 16 ms. (235 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4002 steps (38 resets) in 32 ms. (121 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (40 resets) in 24 ms. (160 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (36 resets) in 30 ms. (129 steps per ms) remains 18/18 properties
[2026-05-23 09:34:59] [INFO ] Flatten gal took : 89 ms
BEST_FIRST walk for 4002 steps (42 resets) in 19 ms. (200 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4003 steps (44 resets) in 15 ms. (250 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (37 resets) in 23 ms. (166 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4003 steps (39 resets) in 27 ms. (142 steps per ms) remains 18/18 properties
[2026-05-23 09:34:59] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8246853372945720222.gal : 28 ms
[2026-05-23 09:34:59] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1018959266889106421.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/ReachabilityCardinality8246853372945720222.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1018959266889106421.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality1018959266889106421.prop.
SDD proceeding with computation,18 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,18 properties remain. new max is 8
SDD size :2 after 4
SDD proceeding with computation,18 properties remain. new max is 16
SDD size :4 after 8
SDD proceeding with computation,18 properties remain. new max is 32
SDD size :8 after 56
SDD proceeding with computation,18 properties remain. new max is 64
SDD size :56 after 72
SDD proceeding with computation,18 properties remain. new max is 128
SDD size :72 after 104
SDD proceeding with computation,18 properties remain. new max is 256
SDD size :104 after 840
SDD proceeding with computation,18 properties remain. new max is 512
SDD size :840 after 1144
SDD proceeding with computation,18 properties remain. new max is 1024
SDD size :1144 after 47764
SDD proceeding with computation,18 properties remain. new max is 2048
SDD size :47764 after 89716
SDD proceeding with computation,18 properties remain. new max is 4096
SDD size :89716 after 219192
SDD proceeding with computation,18 properties remain. new max is 8192
SDD size :219192 after 366192
Interrupted probabilistic random walk after 485658 steps, run timeout after 3001 ms. (steps per millisecond=161 ) properties seen :0 out of 18
Probabilistic random walk after 485658 steps, saw 68062 distinct states, run finished after 3006 ms. (steps per millisecond=161 ) properties seen :0
[2026-05-23 09:35:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 1 (OVERLAPS) 210/219 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/219 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 18 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 37/256 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/256 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 5 (OVERLAPS) 25/281 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/281 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 7 (OVERLAPS) 7/288 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/288 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 18 unsolved
SDD proceeding with computation,18 properties remain. new max is 16384
SDD size :1.84298e+06 after 1.99599e+09
At refinement iteration 9 (OVERLAPS) 246/534 variables, 288/343 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:35:04] [INFO ] Deduced a trap composed of 18 places in 129 ms of which 14 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/534 variables, 1/344 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:35:04] [INFO ] Deduced a trap composed of 13 places in 112 ms of which 10 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/534 variables, 1/345 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:35:05] [INFO ] Deduced a trap composed of 10 places in 108 ms of which 6 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/534 variables, 1/346 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/534 variables, 0/346 constraints. Problems are: Problem set: 0 solved, 18 unsolved
SMT process timed out in 5023ms, After SMT, problems are : Problem set: 0 solved, 18 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 9 out of 356 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 356/356 places, 302/302 transitions.
Applied a total of 0 rules in 15 ms. Remains 356 /356 variables (removed 0) and now considering 302/302 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 356/356 places, 302/302 transitions.
RANDOM walk for 40000 steps (1888 resets) in 762 ms. (52 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4002 steps (36 resets) in 14 ms. (266 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4003 steps (38 resets) in 23 ms. (166 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (36 resets) in 15 ms. (250 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (35 resets) in 18 ms. (210 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (40 resets) in 14 ms. (266 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (40 resets) in 25 ms. (154 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (35 resets) in 28 ms. (138 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4003 steps (32 resets) in 19 ms. (200 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (37 resets) in 26 ms. (148 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4003 steps (43 resets) in 15 ms. (250 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4002 steps (28 resets) in 17 ms. (222 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4002 steps (35 resets) in 24 ms. (160 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (32 resets) in 30 ms. (129 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4002 steps (39 resets) in 33 ms. (117 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4003 steps (39 resets) in 18 ms. (210 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4003 steps (39 resets) in 23 ms. (166 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (32 resets) in 22 ms. (174 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4003 steps (35 resets) in 28 ms. (138 steps per ms) remains 18/18 properties
SDD proceeding with computation,18 properties remain. new max is 32768
SDD size :1.99599e+09 after 2.6652e+09
Interrupted probabilistic random walk after 513841 steps, run timeout after 3001 ms. (steps per millisecond=171 ) properties seen :0 out of 18
Probabilistic random walk after 513841 steps, saw 71844 distinct states, run finished after 3001 ms. (steps per millisecond=171 ) properties seen :0
[2026-05-23 09:35:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 1 (OVERLAPS) 210/219 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/219 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 18 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 37/256 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/256 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 5 (OVERLAPS) 25/281 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/281 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 7 (OVERLAPS) 7/288 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/288 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 9 (OVERLAPS) 246/534 variables, 288/343 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:35:12] [INFO ] Deduced a trap composed of 18 places in 140 ms of which 13 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/534 variables, 1/344 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:35:12] [INFO ] Deduced a trap composed of 13 places in 135 ms of which 9 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/534 variables, 1/345 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:35:13] [INFO ] Deduced a trap composed of 10 places in 109 ms of which 5 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/534 variables, 1/346 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/534 variables, 0/346 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 14 (OVERLAPS) 74/608 variables, 18/364 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/608 variables, 4/368 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/608 variables, 0/368 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 17 (OVERLAPS) 2/610 variables, 1/369 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/610 variables, 2/371 constraints. Problems are: Problem set: 0 solved, 18 unsolved
SDD proceeding with computation,18 properties remain. new max is 65536
SDD size :2.78051e+09 after 2.78568e+09
At refinement iteration 19 (INCLUDED_ONLY) 0/610 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 20 (OVERLAPS) 48/658 variables, 48/419 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:35:20] [INFO ] Deduced a trap composed of 5 places in 69 ms of which 5 ms to minimize.
At refinement iteration 21 (INCLUDED_ONLY) 0/658 variables, 1/420 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/658 variables, 0/420 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 23 (OVERLAPS) 0/658 variables, 0/420 constraints. Problems are: Problem set: 0 solved, 18 unsolved
No progress, stopping.
After SMT solving in domain Real declared 658/658 variables, and 420 constraints, problems are : Problem set: 0 solved, 18 unsolved in 15199 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 356/356 constraints, PredecessorRefiner: 18/18 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 18 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 1 (OVERLAPS) 210/219 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/219 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 3 (OVERLAPS) 37/256 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/256 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/256 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 6 (OVERLAPS) 25/281 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/281 variables, 2/51 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/281 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 9 (OVERLAPS) 7/288 variables, 7/58 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/288 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 11 (OVERLAPS) 246/534 variables, 288/346 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/534 variables, 10/356 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/534 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 14 (OVERLAPS) 74/608 variables, 18/374 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/608 variables, 4/378 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/608 variables, 8/386 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/608 variables, 1/387 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/608 variables, 0/387 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 19 (OVERLAPS) 2/610 variables, 1/388 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/610 variables, 2/390 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/610 variables, 0/390 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 22 (OVERLAPS) 48/658 variables, 48/438 constraints. Problems are: Problem set: 0 solved, 18 unsolved
SDD proceeding with computation,18 properties remain. new max is 131072
SDD size :2.85325e+09 after 2.5321e+10
At refinement iteration 23 (INCLUDED_ONLY) 0/658 variables, 0/438 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 24 (OVERLAPS) 0/658 variables, 0/438 constraints. Problems are: Problem set: 0 solved, 18 unsolved
No progress, stopping.
After SMT solving in domain Int declared 658/658 variables, and 438 constraints, problems are : Problem set: 0 solved, 18 unsolved in 16253 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 356/356 constraints, PredecessorRefiner: 18/18 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 31462ms problems are : Problem set: 0 solved, 18 unsolved
Fused 18 Parikh solutions to 9 different solutions.
Parikh walk visited 0 properties in 7004 ms.
Support contains 9 out of 356 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 356/356 places, 302/302 transitions.
Applied a total of 0 rules in 14 ms. Remains 356 /356 variables (removed 0) and now considering 302/302 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 356/356 places, 302/302 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 356/356 places, 302/302 transitions.
Applied a total of 0 rules in 13 ms. Remains 356 /356 variables (removed 0) and now considering 302/302 (removed 0) transitions.
[2026-05-23 09:35:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
Detected timeout of ITS tools.
[2026-05-23 09:35:49] [INFO ] Flatten gal took : 44 ms
[2026-05-23 09:35:49] [INFO ] Applying decomposition
[2026-05-23 09:35:49] [INFO ] Flatten gal took : 43 ms
[2026-05-23 09:35:49] [INFO ] Implicit Places using invariants in 383 ms returned []
[2026-05-23 09:35:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph13391901654793184956.txt' '-o' '/tmp/graph13391901654793184956.bin' '-w' '/tmp/graph13391901654793184956.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph13391901654793184956.bin' '-l' '-1' '-v' '-w' '/tmp/graph13391901654793184956.weights' '-q' '0' '-e' '0.001'
[2026-05-23 09:35:49] [INFO ] Decomposing Gal with order
[2026-05-23 09:35:49] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 09:35:49] [INFO ] Removed a total of 46 redundant transitions.
[2026-05-23 09:35:49] [INFO ] Flatten gal took : 136 ms
[2026-05-23 09:35:49] [INFO ] Fuse similar labels procedure discarded/fused a total of 18 labels/synchronizations in 22 ms.
[2026-05-23 09:35:49] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2637615735169786715.gal : 13 ms
[2026-05-23 09:35:49] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13902222475476717521.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/ReachabilityCardinality2637615735169786715.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13902222475476717521.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/ReachabilityCardinality13902222475476717521.prop.
SDD proceeding with computation,18 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,18 properties remain. new max is 8
SDD size :2 after 976
SDD proceeding with computation,18 properties remain. new max is 16
SDD size :976 after 2066
SDD proceeding with computation,18 properties remain. new max is 32
SDD size :2066 after 15848
SDD proceeding with computation,18 properties remain. new max is 64
SDD size :50736 after 9.57707e+08
SDD proceeding with computation,18 properties remain. new max is 128
SDD size :9.57707e+08 after 3.69763e+09
Invariant property MIN6 does not hold.
Reachability property MAX6 is true.
SDD proceeding with computation,16 properties remain. new max is 128
SDD size :3.69763e+09 after 6.13313e+09
Invariant property MIN0 does not hold.
Reachability property MAX0 is true.
SDD proceeding with computation,14 properties remain. new max is 128
SDD size :6.13313e+09 after 7.95974e+09
SDD proceeding with computation,14 properties remain. new max is 256
SDD size :7.95974e+09 after 9.48193e+09
Invariant property MIN7 does not hold.
Reachability property MAX7 is true.
SDD proceeding with computation,12 properties remain. new max is 256
SDD size :9.48193e+09 after 1.22219e+10
SDD proceeding with computation,12 properties remain. new max is 512
SDD size :1.22219e+10 after 1.49618e+10
[2026-05-23 09:35:50] [INFO ] Implicit Places using invariants and state equation in 1192 ms returned []
Implicit Place search using SMT with State Equation took 1579 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 09:35:50] [INFO ] Redundant transitions in 9 ms returned []
Running 299 sub problems to find dead transitions.
[2026-05-23 09:35:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/353 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 299 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/353 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 299 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/353 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 299 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/355 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 299 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/355 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 299 unsolved
At refinement iteration 5 (OVERLAPS) 302/657 variables, 355/415 constraints. Problems are: Problem set: 0 solved, 299 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:36:04] [INFO ] Deduced a trap composed of 5 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:36:04] [INFO ] Deduced a trap composed of 15 places in 94 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:36:06] [INFO ] Deduced a trap composed of 12 places in 144 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:36:06] [INFO ] Deduced a trap composed of 13 places in 150 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:36:06] [INFO ] Deduced a trap composed of 10 places in 161 ms of which 10 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/657 variables, 5/420 constraints. Problems are: Problem set: 0 solved, 299 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/657 variables, 0/420 constraints. Problems are: Problem set: 0 solved, 299 unsolved
At refinement iteration 8 (OVERLAPS) 1/658 variables, 1/421 constraints. Problems are: Problem set: 0 solved, 299 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 658/658 variables, and 421 constraints, problems are : Problem set: 0 solved, 299 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 356/356 constraints, PredecessorRefiner: 299/299 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 299 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/353 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 299 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/353 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 299 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/353 variables, 5/58 constraints. Problems are: Problem set: 0 solved, 299 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/353 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 299 unsolved
At refinement iteration 4 (OVERLAPS) 2/355 variables, 7/65 constraints. Problems are: Problem set: 0 solved, 299 unsolved
Invariant property MIN8 does not hold.
Reachability property MAX8 is true.
SDD proceeding with computation,10 properties remain. new max is 512
SDD size :1.01081e+13 after 1.08823e+13
At refinement iteration 5 (INCLUDED_ONLY) 0/355 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 299 unsolved
At refinement iteration 6 (OVERLAPS) 302/657 variables, 355/420 constraints. Problems are: Problem set: 0 solved, 299 unsolved
Detected timeout of ITS tools.
At refinement iteration 7 (INCLUDED_ONLY) 0/657 variables, 299/719 constraints. Problems are: Problem set: 0 solved, 299 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 657/658 variables, and 719 constraints, problems are : Problem set: 0 solved, 299 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 355/356 constraints, PredecessorRefiner: 299/299 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60220ms problems are : Problem set: 0 solved, 299 unsolved
Search for dead transitions found 0 dead transitions in 60224ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61840 ms. Remains : 356/356 places, 302/302 transitions.
FORMULA DES-PT-60b-UpperBounds-14 1 TECHNIQUES REACHABILITY_MAX
FORMULA DES-PT-60b-UpperBounds-13 1 TECHNIQUES REACHABILITY_MAX
FORMULA DES-PT-60b-UpperBounds-10 1 TECHNIQUES REACHABILITY_MAX
FORMULA DES-PT-60b-UpperBounds-00 1 TECHNIQUES REACHABILITY_MAX
Current structural bounds on expressions (After reachability solving 4 queries.) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1]
Starting property specific reduction for DES-PT-60b-UpperBounds-01
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[1]
[2026-05-23 09:36:50] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 10000 steps (463 resets) in 24 ms. (400 steps per ms)
BEST_FIRST walk for 10001 steps (95 resets) in 12 ms. (769 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-23 09:36:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 09:36:50] [INFO ] [Real]Absence check using 36 positive place invariants in 14 ms returned sat
[2026-05-23 09:36:50] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 22 ms returned sat
[2026-05-23 09:36:51] [INFO ] [Real]Absence check using state equation in 213 ms returned sat
[2026-05-23 09:36:51] [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 09:36:51] [INFO ] [Nat]Absence check using 36 positive place invariants in 14 ms returned sat
[2026-05-23 09:36:51] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 23 ms returned sat
[2026-05-23 09:36:51] [INFO ] [Nat]Absence check using state equation in 212 ms returned sat
[2026-05-23 09:36:51] [INFO ] Computed and/alt/rep : 288/500/288 causal constraints (skipped 11 transitions) in 23 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:36:53] [INFO ] Deduced a trap composed of 13 places in 177 ms of which 17 ms to minimize.
[2026-05-23 09:36:53] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 261 ms
[2026-05-23 09:36:53] [INFO ] Added : 143 causal constraints over 29 iterations in 2266 ms. Result :sat
Minimization took 372 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 356 places. Attempting structural reductions.
Drop transitions (Removing consumers from one bounded place p103) removed 1 transitions
Starting structural reductions in REACHABILITY mode, iteration 0 : 356/356 places, 301/301 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 355 transition count 300
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 354 transition count 299
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 3 place count 353 transition count 298
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 4 place count 352 transition count 297
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 5 place count 351 transition count 296
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 6 place count 350 transition count 295
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 7 place count 349 transition count 294
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 8 place count 348 transition count 293
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 9 place count 347 transition count 292
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 10 place count 346 transition count 291
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 11 place count 345 transition count 290
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 11 with 1 rules applied. Total rules applied 12 place count 344 transition count 289
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 12 with 1 rules applied. Total rules applied 13 place count 343 transition count 288
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 13 with 1 rules applied. Total rules applied 14 place count 342 transition count 287
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 14 with 1 rules applied. Total rules applied 15 place count 341 transition count 286
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 15 with 1 rules applied. Total rules applied 16 place count 340 transition count 285
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 16 with 1 rules applied. Total rules applied 17 place count 339 transition count 284
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 17 with 1 rules applied. Total rules applied 18 place count 338 transition count 283
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 18 with 1 rules applied. Total rules applied 19 place count 337 transition count 282
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 19 with 1 rules applied. Total rules applied 20 place count 336 transition count 281
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 20 with 1 rules applied. Total rules applied 21 place count 335 transition count 280
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 21 with 1 rules applied. Total rules applied 22 place count 334 transition count 279
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 22 with 1 rules applied. Total rules applied 23 place count 333 transition count 278
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 23 with 1 rules applied. Total rules applied 24 place count 332 transition count 277
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 24 with 1 rules applied. Total rules applied 25 place count 331 transition count 276
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 25 with 1 rules applied. Total rules applied 26 place count 330 transition count 275
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 26 with 1 rules applied. Total rules applied 27 place count 329 transition count 274
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 27 with 1 rules applied. Total rules applied 28 place count 328 transition count 273
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 28 with 1 rules applied. Total rules applied 29 place count 327 transition count 272
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 29 with 1 rules applied. Total rules applied 30 place count 326 transition count 271
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 30 with 1 rules applied. Total rules applied 31 place count 325 transition count 270
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 31 with 1 rules applied. Total rules applied 32 place count 324 transition count 269
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 32 with 1 rules applied. Total rules applied 33 place count 323 transition count 268
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 33 with 1 rules applied. Total rules applied 34 place count 322 transition count 267
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 34 with 1 rules applied. Total rules applied 35 place count 321 transition count 266
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 35 with 1 rules applied. Total rules applied 36 place count 320 transition count 265
Applied a total of 36 rules in 107 ms. Remains 320 /356 variables (removed 36) and now considering 265/301 (removed 36) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 109 ms. Remains : 320/356 places, 265/301 transitions.
// Phase 1: matrix 265 rows 320 cols
[2026-05-23 09:36:54] [INFO ] Computed 61 invariants in 12 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (47915 resets) in 2342 ms. (426 steps per ms)
BEST_FIRST walk for 1000001 steps (9019 resets) in 943 ms. (1059 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-23 09:36:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 09:36:58] [INFO ] [Real]Absence check using 37 positive place invariants in 17 ms returned sat
[2026-05-23 09:36:58] [INFO ] [Real]Absence check using 37 positive and 24 generalized place invariants in 21 ms returned sat
[2026-05-23 09:36:58] [INFO ] [Real]Absence check using state equation in 198 ms returned sat
[2026-05-23 09:36:58] [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 09:36:58] [INFO ] [Nat]Absence check using 37 positive place invariants in 16 ms returned sat
[2026-05-23 09:36:58] [INFO ] [Nat]Absence check using 37 positive and 24 generalized place invariants in 19 ms returned sat
[2026-05-23 09:36:58] [INFO ] [Nat]Absence check using state equation in 188 ms returned sat
[2026-05-23 09:36:58] [INFO ] Computed and/alt/rep : 251/463/251 causal constraints (skipped 11 transitions) in 18 ms.
[2026-05-23 09:37:00] [INFO ] Added : 141 causal constraints over 29 iterations in 1487 ms. Result :sat
Minimization took 305 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 320 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 320/320 places, 265/265 transitions.
Applied a total of 0 rules in 10 ms. Remains 320 /320 variables (removed 0) and now considering 265/265 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 320/320 places, 265/265 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 320/320 places, 265/265 transitions.
Applied a total of 0 rules in 9 ms. Remains 320 /320 variables (removed 0) and now considering 265/265 (removed 0) transitions.
[2026-05-23 09:37:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 09:37:01] [INFO ] Implicit Places using invariants in 377 ms returned []
[2026-05-23 09:37:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 09:37:02] [INFO ] Implicit Places using invariants and state equation in 1219 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 09:37:02] [INFO ] Redundant transitions in 11 ms returned []
Running 262 sub problems to find dead transitions.
[2026-05-23 09:37:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/316 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/316 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/316 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 3 (OVERLAPS) 2/318 variables, 1/54 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/318 variables, 6/60 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/318 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 262 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 1/319 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/319 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 262 unsolved
Problem TDEAD3 is UNSAT
Problem TDEAD4 is UNSAT
Problem TDEAD5 is UNSAT
Problem TDEAD6 is UNSAT
Problem TDEAD7 is UNSAT
Problem TDEAD8 is UNSAT
Problem TDEAD9 is UNSAT
Problem TDEAD10 is UNSAT
Problem TDEAD11 is UNSAT
Problem TDEAD12 is UNSAT
Problem TDEAD13 is UNSAT
Problem TDEAD14 is UNSAT
Problem TDEAD15 is UNSAT
Problem TDEAD16 is UNSAT
Problem TDEAD17 is UNSAT
Problem TDEAD18 is UNSAT
Problem TDEAD19 is UNSAT
Problem TDEAD20 is UNSAT
Problem TDEAD21 is UNSAT
Problem TDEAD22 is UNSAT
Problem TDEAD23 is UNSAT
Problem TDEAD24 is UNSAT
Problem TDEAD25 is UNSAT
Problem TDEAD26 is UNSAT
Problem TDEAD27 is UNSAT
Problem TDEAD28 is UNSAT
Problem TDEAD29 is UNSAT
Problem TDEAD30 is UNSAT
Problem TDEAD31 is UNSAT
Problem TDEAD32 is UNSAT
Problem TDEAD33 is UNSAT
Problem TDEAD34 is UNSAT
Problem TDEAD35 is UNSAT
Problem TDEAD36 is UNSAT
Problem TDEAD149 is UNSAT
Problem TDEAD150 is UNSAT
Problem TDEAD151 is UNSAT
Problem TDEAD152 is UNSAT
Problem TDEAD153 is UNSAT
Problem TDEAD154 is UNSAT
Problem TDEAD155 is UNSAT
Problem TDEAD156 is UNSAT
Problem TDEAD157 is UNSAT
Problem TDEAD158 is UNSAT
Problem TDEAD159 is UNSAT
Problem TDEAD160 is UNSAT
Problem TDEAD161 is UNSAT
Problem TDEAD162 is UNSAT
Problem TDEAD163 is UNSAT
Problem TDEAD164 is UNSAT
Problem TDEAD165 is UNSAT
Problem TDEAD166 is UNSAT
Problem TDEAD167 is UNSAT
Problem TDEAD168 is UNSAT
Problem TDEAD169 is UNSAT
Problem TDEAD170 is UNSAT
Problem TDEAD171 is UNSAT
Problem TDEAD172 is UNSAT
Problem TDEAD173 is UNSAT
Problem TDEAD174 is UNSAT
Problem TDEAD175 is UNSAT
Problem TDEAD176 is UNSAT
Problem TDEAD177 is UNSAT
Problem TDEAD178 is UNSAT
Problem TDEAD179 is UNSAT
Problem TDEAD180 is UNSAT
Problem TDEAD181 is UNSAT
Problem TDEAD182 is UNSAT
Problem TDEAD183 is UNSAT
Problem TDEAD207 is UNSAT
At refinement iteration 8 (OVERLAPS) 265/584 variables, 319/380 constraints. Problems are: Problem set: 70 solved, 192 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:37:20] [INFO ] Deduced a trap composed of 5 places in 47 ms of which 4 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/584 variables, 1/381 constraints. Problems are: Problem set: 70 solved, 192 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:37:26] [INFO ] Deduced a trap composed of 16 places in 106 ms of which 8 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/584 variables, 1/382 constraints. Problems are: Problem set: 70 solved, 192 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:37:28] [INFO ] Deduced a trap composed of 15 places in 81 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:37:29] [INFO ] Deduced a trap composed of 16 places in 77 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:37:29] [INFO ] Deduced a trap composed of 18 places in 123 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:37:29] [INFO ] Deduced a trap composed of 19 places in 194 ms of which 20 ms to minimize.
Error getting values : (error "ParserException while parsing response: ((s0 (/ 49.0 59.0))
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(s240 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 584/585 variables, and 386 constraints, problems are : Problem set: 70 solved, 192 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 319/320 constraints, PredecessorRefiner: 262/262 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 70 solved, 192 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/246 variables, 36/36 constraints. Problems are: Problem set: 70 solved, 192 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/246 variables, 17/53 constraints. Problems are: Problem set: 70 solved, 192 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/246 variables, 4/57 constraints. Problems are: Problem set: 70 solved, 192 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/246 variables, 0/57 constraints. Problems are: Problem set: 70 solved, 192 unsolved
At refinement iteration 4 (OVERLAPS) 2/248 variables, 1/58 constraints. Problems are: Problem set: 70 solved, 192 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/248 variables, 2/60 constraints. Problems are: Problem set: 70 solved, 192 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/248 variables, 0/60 constraints. Problems are: Problem set: 70 solved, 192 unsolved
At refinement iteration 7 (OVERLAPS) 71/319 variables, 7/67 constraints. Problems are: Problem set: 70 solved, 192 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:37:39] [INFO ] Deduced a trap composed of 10 places in 139 ms of which 6 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/319 variables, 1/68 constraints. Problems are: Problem set: 70 solved, 192 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/319 variables, 0/68 constraints. Problems are: Problem set: 70 solved, 192 unsolved
At refinement iteration 10 (OVERLAPS) 265/584 variables, 319/387 constraints. Problems are: Problem set: 70 solved, 192 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/584 variables, 192/579 constraints. Problems are: Problem set: 70 solved, 192 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 584/585 variables, and 579 constraints, problems are : Problem set: 70 solved, 192 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 319/320 constraints, PredecessorRefiner: 192/262 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60117ms problems are : Problem set: 70 solved, 192 unsolved
Search for dead transitions found 70 dead transitions in 60119ms
Found 70 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 70 transitions
Dead transitions reduction (with SMT) removed 70 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 320/320 places, 195/265 transitions.
Graph (complete) has 822 edges and 320 vertex of which 250 are kept as prefixes of interest. Removing 70 places using SCC suffix rule.0 ms
Discarding 70 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 7 ms. Remains 250 /320 variables (removed 70) and now considering 195/195 (removed 0) transitions.
// Phase 1: matrix 195 rows 250 cols
[2026-05-23 09:38:02] [INFO ] Computed 61 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 09:38:03] [INFO ] Implicit Places using invariants in 280 ms returned []
[2026-05-23 09:38:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 09:38:03] [INFO ] Implicit Places using invariants and state equation in 441 ms returned []
Implicit Place search using SMT with State Equation took 723 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 250/320 places, 195/265 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 62482 ms. Remains : 250/320 places, 195/265 transitions.
[2026-05-23 09:38:03] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (47604 resets) in 2429 ms. (411 steps per ms)
BEST_FIRST walk for 1000000 steps (9144 resets) in 902 ms. (1107 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-23 09:38:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 09:38:07] [INFO ] [Real]Absence check using 37 positive place invariants in 13 ms returned sat
[2026-05-23 09:38:07] [INFO ] [Real]Absence check using 37 positive and 24 generalized place invariants in 14 ms returned sat
[2026-05-23 09:38:07] [INFO ] [Real]Absence check using state equation in 111 ms returned sat
[2026-05-23 09:38:07] [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 09:38:07] [INFO ] [Nat]Absence check using 37 positive place invariants in 12 ms returned sat
[2026-05-23 09:38:07] [INFO ] [Nat]Absence check using 37 positive and 24 generalized place invariants in 12 ms returned sat
[2026-05-23 09:38:07] [INFO ] [Nat]Absence check using state equation in 123 ms returned sat
[2026-05-23 09:38:07] [INFO ] Computed and/alt/rep : 181/321/181 causal constraints (skipped 11 transitions) in 13 ms.
[2026-05-23 09:38:08] [INFO ] Added : 139 causal constraints over 28 iterations in 792 ms. Result :sat
Minimization took 188 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 250 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 250/250 places, 195/195 transitions.
Applied a total of 0 rules in 10 ms. Remains 250 /250 variables (removed 0) and now considering 195/195 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 250/250 places, 195/195 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 250/250 places, 195/195 transitions.
Applied a total of 0 rules in 10 ms. Remains 250 /250 variables (removed 0) and now considering 195/195 (removed 0) transitions.
[2026-05-23 09:38:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 09:38:09] [INFO ] Implicit Places using invariants in 325 ms returned []
[2026-05-23 09:38:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 09:38:09] [INFO ] Implicit Places using invariants and state equation in 466 ms returned []
Implicit Place search using SMT with State Equation took 793 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 09:38:09] [INFO ] Redundant transitions in 4 ms returned []
Running 192 sub problems to find dead transitions.
[2026-05-23 09:38:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/246 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/246 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/246 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 3 (OVERLAPS) 2/248 variables, 1/54 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 6/60 constraints. Problems are: Problem set: 0 solved, 192 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:38:16] [INFO ] Deduced a trap composed of 5 places in 47 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/248 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/248 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 7 (OVERLAPS) 1/249 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/249 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 9 (OVERLAPS) 195/444 variables, 249/311 constraints. Problems are: Problem set: 0 solved, 192 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:38:26] [INFO ] Deduced a trap composed of 15 places in 100 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:38:27] [INFO ] Deduced a trap composed of 16 places in 132 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:38:28] [INFO ] Deduced a trap composed of 15 places in 143 ms of which 9 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/444 variables, 3/314 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/444 variables, 0/314 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 12 (OVERLAPS) 1/445 variables, 1/315 constraints. Problems are: Problem set: 0 solved, 192 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 445/445 variables, and 315 constraints, problems are : Problem set: 0 solved, 192 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 250/250 constraints, PredecessorRefiner: 192/192 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 192 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/246 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/246 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/246 variables, 2/55 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/246 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 4 (OVERLAPS) 2/248 variables, 1/56 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/248 variables, 6/62 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/248 variables, 1/63 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/248 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 8 (OVERLAPS) 1/249 variables, 1/64 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/249 variables, 1/65 constraints. Problems are: Problem set: 0 solved, 192 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:38:45] [INFO ] Deduced a trap composed of 12 places in 120 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:38:45] [INFO ] Deduced a trap composed of 24 places in 53 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/249 variables, 2/67 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/249 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 12 (OVERLAPS) 195/444 variables, 249/316 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/444 variables, 192/508 constraints. Problems are: Problem set: 0 solved, 192 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 444/445 variables, and 508 constraints, problems are : Problem set: 0 solved, 192 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 249/250 constraints, PredecessorRefiner: 192/192 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60117ms problems are : Problem set: 0 solved, 192 unsolved
Search for dead transitions found 0 dead transitions in 60118ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60932 ms. Remains : 250/250 places, 195/195 transitions.
[2026-05-23 09:39:09] [INFO ] Flatten gal took : 65 ms
RANDOM walk for 40000 steps (1977 resets) in 278 ms. (143 steps per ms) remains 2/2 properties
[2026-05-23 09:39:09] [INFO ] Flatten gal took : 29 ms
[2026-05-23 09:39:09] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9430348191191496644.gal : 7 ms
[2026-05-23 09:39:09] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16123317872712888307.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/ReachabilityCardinality9430348191191496644.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16123317872712888307.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
BEST_FIRST walk for 40004 steps (347 resets) in 194 ms. (205 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality16123317872712888307.prop.
BEST_FIRST walk for 40004 steps (366 resets) in 131 ms. (303 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :2 after 4
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :4 after 38
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :38 after 44
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :44 after 1132
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :1132 after 1316
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :1316 after 48488
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :48488 after 191561
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :191561 after 524792
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :524792 after 1.88877e+06
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :1.77546e+09 after 2.66488e+09
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :2.78051e+09 after 2.83703e+09
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :1.79085e+10 after 2.53317e+10
Interrupted probabilistic random walk after 819101 steps, run timeout after 3001 ms. (steps per millisecond=272 ) properties seen :0 out of 2
Probabilistic random walk after 819101 steps, saw 115650 distinct states, run finished after 3001 ms. (steps per millisecond=272 ) properties seen :0
[2026-05-23 09:39:13] [INFO ] Invariant cache hit.
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) 23/24 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 85/109 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 37/146 variables, 24/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/146 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 25/171 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/171 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 7/178 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/178 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 131/309 variables, 178/234 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/309 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 13/322 variables, 8/242 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/322 variables, 3/245 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/322 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 2/324 variables, 1/246 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/324 variables, 2/248 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/324 variables, 0/248 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 62/386 variables, 3/251 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/386 variables, 1/252 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/386 variables, 0/252 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 59/445 variables, 59/311 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/445 variables, 0/311 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 24 (OVERLAPS) 0/445 variables, 0/311 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 445/445 variables, and 311 constraints, problems are : Problem set: 0 solved, 2 unsolved in 357 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 250/250 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 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) 23/24 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 85/109 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 37/146 variables, 24/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/146 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 25/171 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/171 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 7/178 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/178 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 131/309 variables, 178/234 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/309 variables, 2/236 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/309 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 13/322 variables, 8/244 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/322 variables, 3/247 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/322 variables, 0/247 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 2/324 variables, 1/248 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/324 variables, 2/250 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/324 variables, 0/250 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 62/386 variables, 3/253 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/386 variables, 1/254 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/386 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (OVERLAPS) 59/445 variables, 59/313 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/445 variables, 0/313 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 25 (OVERLAPS) 0/445 variables, 0/313 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 445/445 variables, and 313 constraints, problems are : Problem set: 0 solved, 2 unsolved in 618 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 250/250 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 981ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1167 ms.
Support contains 1 out of 250 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 250/250 places, 195/195 transitions.
Applied a total of 0 rules in 6 ms. Remains 250 /250 variables (removed 0) and now considering 195/195 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 250/250 places, 195/195 transitions.
SDD proceeding with computation,2 properties remain. new max is 32768
RANDOM walk for 40000 steps (1909 resets) in 147 ms. (270 steps per ms) remains 2/2 properties
SDD size :7.37836e+10 after 9.64799e+10
BEST_FIRST walk for 40002 steps (319 resets) in 67 ms. (588 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (361 resets) in 79 ms. (500 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 864464 steps, run timeout after 3001 ms. (steps per millisecond=288 ) properties seen :0 out of 2
Probabilistic random walk after 864464 steps, saw 121875 distinct states, run finished after 3001 ms. (steps per millisecond=288 ) properties seen :0
[2026-05-23 09:39:18] [INFO ] Invariant cache hit.
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) 23/24 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 85/109 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 37/146 variables, 24/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/146 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 25/171 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/171 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 7/178 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/178 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 131/309 variables, 178/234 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/309 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 13/322 variables, 8/242 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/322 variables, 3/245 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/322 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 2/324 variables, 1/246 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/324 variables, 2/248 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/324 variables, 0/248 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 62/386 variables, 3/251 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/386 variables, 1/252 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/386 variables, 0/252 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 59/445 variables, 59/311 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/445 variables, 0/311 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 24 (OVERLAPS) 0/445 variables, 0/311 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 445/445 variables, and 311 constraints, problems are : Problem set: 0 solved, 2 unsolved in 417 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 250/250 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 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) 23/24 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 85/109 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 37/146 variables, 24/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/146 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 25/171 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/171 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 7/178 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/178 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 131/309 variables, 178/234 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/309 variables, 2/236 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/309 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 13/322 variables, 8/244 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/322 variables, 3/247 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/322 variables, 0/247 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 2/324 variables, 1/248 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/324 variables, 2/250 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/324 variables, 0/250 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 62/386 variables, 3/253 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/386 variables, 1/254 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/386 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (OVERLAPS) 59/445 variables, 59/313 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/445 variables, 0/313 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 25 (OVERLAPS) 0/445 variables, 0/313 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 445/445 variables, and 313 constraints, problems are : Problem set: 0 solved, 2 unsolved in 753 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 250/250 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1176ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :2.4334e+11 after 2.47901e+11
Parikh walk visited 0 properties in 1023 ms.
Support contains 1 out of 250 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 250/250 places, 195/195 transitions.
Applied a total of 0 rules in 5 ms. Remains 250 /250 variables (removed 0) and now considering 195/195 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 250/250 places, 195/195 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 250/250 places, 195/195 transitions.
Applied a total of 0 rules in 5 ms. Remains 250 /250 variables (removed 0) and now considering 195/195 (removed 0) transitions.
[2026-05-23 09:39:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 09:39:20] [INFO ] Implicit Places using invariants in 354 ms returned []
[2026-05-23 09:39:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 09:39:21] [INFO ] Implicit Places using invariants and state equation in 612 ms returned []
Implicit Place search using SMT with State Equation took 968 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 09:39:21] [INFO ] Redundant transitions in 0 ms returned []
Running 192 sub problems to find dead transitions.
[2026-05-23 09:39:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/246 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/246 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/246 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 3 (OVERLAPS) 2/248 variables, 1/54 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 6/60 constraints. Problems are: Problem set: 0 solved, 192 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:39:28] [INFO ] Deduced a trap composed of 5 places in 48 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/248 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/248 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 7 (OVERLAPS) 1/249 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 192 unsolved
SDD proceeding with computation,2 properties remain. new max is 131072
SDD size :7.47559e+11 after 7.47586e+11
At refinement iteration 8 (INCLUDED_ONLY) 0/249 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 9 (OVERLAPS) 195/444 variables, 249/311 constraints. Problems are: Problem set: 0 solved, 192 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:39:36] [INFO ] Deduced a trap composed of 15 places in 87 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:39:37] [INFO ] Deduced a trap composed of 16 places in 113 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:39:37] [INFO ] Deduced a trap composed of 15 places in 140 ms of which 9 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/444 variables, 3/314 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/444 variables, 0/314 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 12 (OVERLAPS) 1/445 variables, 1/315 constraints. Problems are: Problem set: 0 solved, 192 unsolved
SDD proceeding with computation,2 properties remain. new max is 262144
SDD size :1.50156e+12 after 1.51687e+12
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Stream closed")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 445/445 variables, and 315 constraints, problems are : Problem set: 0 solved, 192 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 250/250 constraints, PredecessorRefiner: 192/192 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 192 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/246 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/246 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/246 variables, 2/55 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/246 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 4 (OVERLAPS) 2/248 variables, 1/56 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/248 variables, 6/62 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/248 variables, 1/63 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/248 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 8 (OVERLAPS) 1/249 variables, 1/64 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/249 variables, 1/65 constraints. Problems are: Problem set: 0 solved, 192 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:39:56] [INFO ] Deduced a trap composed of 12 places in 86 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:39:57] [INFO ] Deduced a trap composed of 24 places in 35 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/249 variables, 2/67 constraints. Problems are: Problem set: 0 solved, 192 unsolved
Detected timeout of ITS tools.
[2026-05-23 09:40:00] [INFO ] Flatten gal took : 16 ms
[2026-05-23 09:40:00] [INFO ] Applying decomposition
[2026-05-23 09:40:00] [INFO ] Flatten gal took : 15 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/graph1977389522372922590.txt' '-o' '/tmp/graph1977389522372922590.bin' '-w' '/tmp/graph1977389522372922590.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph1977389522372922590.bin' '-l' '-1' '-v' '-w' '/tmp/graph1977389522372922590.weights' '-q' '0' '-e' '0.001'
[2026-05-23 09:40:00] [INFO ] Decomposing Gal with order
[2026-05-23 09:40:00] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 09:40:00] [INFO ] Removed a total of 45 redundant transitions.
[2026-05-23 09:40:00] [INFO ] Flatten gal took : 31 ms
[2026-05-23 09:40:00] [INFO ] Fuse similar labels procedure discarded/fused a total of 14 labels/synchronizations in 6 ms.
[2026-05-23 09:40:00] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8588293244504016541.gal : 9 ms
[2026-05-23 09:40:00] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17086688127640678523.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/ReachabilityCardinality8588293244504016541.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17086688127640678523.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/ReachabilityCardinality17086688127640678523.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :2 after 4
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :4 after 2244
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :2244 after 34360
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :50736 after 6.06315e+08
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :6.06315e+08 after 1.28564e+09
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :1.28564e+09 after 1.96496e+09
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :1.96496e+09 after 3.15377e+09
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :3.15377e+09 after 5.02191e+09
At refinement iteration 11 (INCLUDED_ONLY) 0/249 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 192 unsolved
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :5.02191e+09 after 8.58835e+09
At refinement iteration 12 (OVERLAPS) 195/444 variables, 249/316 constraints. Problems are: Problem set: 0 solved, 192 unsolved
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,3.57369e+13,4.3777,112196,13168,2639,277223,20764,317,298928,412,106291,0
Total reachable state count : 35736879565848

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
MAX0,2.79103e+11,4.39569,112196,1025,664,277223,20764,317,298928,414,106291,0
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
MIN0,2.79103e+11,4.40006,112196,1025,664,277223,20764,319,298928,415,106291,0
At refinement iteration 13 (INCLUDED_ONLY) 0/444 variables, 192/508 constraints. Problems are: Problem set: 0 solved, 192 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 444/445 variables, and 508 constraints, problems are : Problem set: 0 solved, 192 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 249/250 constraints, PredecessorRefiner: 192/192 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60089ms problems are : Problem set: 0 solved, 192 unsolved
Search for dead transitions found 0 dead transitions in 60090ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61072 ms. Remains : 250/250 places, 195/195 transitions.
FORMULA DES-PT-60b-UpperBounds-01 1 TECHNIQUES REACHABILITY_MAX
Current structural bounds on expressions (After reachability solving 1 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for DES-PT-60b-UpperBounds-01 in 210718 ms.
Starting property specific reduction for DES-PT-60b-UpperBounds-05
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[1]
// Phase 1: matrix 302 rows 356 cols
[2026-05-23 09:40:21] [INFO ] Computed 60 invariants in 8 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 10000 steps (501 resets) in 38 ms. (256 steps per ms)
BEST_FIRST walk for 10000 steps (72 resets) in 18 ms. (526 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-23 09:40:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 09:40:21] [INFO ] [Real]Absence check using 36 positive place invariants in 20 ms returned sat
[2026-05-23 09:40:21] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 35 ms returned sat
[2026-05-23 09:40:22] [INFO ] [Real]Absence check using state equation in 318 ms returned sat
[2026-05-23 09:40:22] [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 09:40:22] [INFO ] [Nat]Absence check using 36 positive place invariants in 21 ms returned sat
[2026-05-23 09:40:22] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 30 ms returned sat
[2026-05-23 09:40:22] [INFO ] [Nat]Absence check using state equation in 363 ms returned sat
[2026-05-23 09:40:22] [INFO ] Computed and/alt/rep : 288/500/288 causal constraints (skipped 11 transitions) in 35 ms.
[2026-05-23 09:40:25] [INFO ] Added : 189 causal constraints over 38 iterations in 2414 ms. Result :sat
Minimization took 408 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 356 places. Attempting structural reductions.
Drop transitions (Removing consumers from one bounded place p80) removed 1 transitions
Starting structural reductions in REACHABILITY mode, iteration 0 : 356/356 places, 301/301 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 355 transition count 300
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 354 transition count 299
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 3 place count 353 transition count 298
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 4 place count 352 transition count 297
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 5 place count 351 transition count 296
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 6 place count 350 transition count 295
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 7 place count 349 transition count 294
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 8 place count 348 transition count 293
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 9 place count 347 transition count 292
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 10 place count 346 transition count 291
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 11 place count 345 transition count 290
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 11 with 1 rules applied. Total rules applied 12 place count 344 transition count 289
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 12 with 1 rules applied. Total rules applied 13 place count 343 transition count 288
Applied a total of 13 rules in 26 ms. Remains 343 /356 variables (removed 13) and now considering 288/301 (removed 13) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27 ms. Remains : 343/356 places, 288/301 transitions.
// Phase 1: matrix 288 rows 343 cols
[2026-05-23 09:40:26] [INFO ] Computed 61 invariants in 6 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (47797 resets) in 2306 ms. (433 steps per ms)
BEST_FIRST walk for 1000001 steps (9187 resets) in 927 ms. (1077 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-23 09:40:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 09:40:29] [INFO ] [Real]Absence check using 37 positive place invariants in 14 ms returned sat
[2026-05-23 09:40:29] [INFO ] [Real]Absence check using 37 positive and 24 generalized place invariants in 18 ms returned sat
[2026-05-23 09:40:29] [INFO ] [Real]Absence check using state equation in 185 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:40:30] [INFO ] Deduced a trap composed of 5 places in 69 ms of which 7 ms to minimize.
[2026-05-23 09:40:30] [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 09:40:30] [INFO ] [Nat]Absence check using 37 positive place invariants in 20 ms returned sat
[2026-05-23 09:40:30] [INFO ] [Nat]Absence check using 37 positive and 24 generalized place invariants in 25 ms returned sat
[2026-05-23 09:40:30] [INFO ] [Nat]Absence check using state equation in 326 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:40:30] [INFO ] Deduced a trap composed of 5 places in 81 ms of which 4 ms to minimize.
[2026-05-23 09:40:30] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 133 ms
[2026-05-23 09:40:30] [INFO ] Computed and/alt/rep : 274/486/274 causal constraints (skipped 11 transitions) in 30 ms.
[2026-05-23 09:40:33] [INFO ] Added : 233 causal constraints over 47 iterations in 3133 ms. Result :sat
Minimization took 485 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 343 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 343/343 places, 288/288 transitions.
Applied a total of 0 rules in 10 ms. Remains 343 /343 variables (removed 0) and now considering 288/288 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 343/343 places, 288/288 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 343/343 places, 288/288 transitions.
Applied a total of 0 rules in 8 ms. Remains 343 /343 variables (removed 0) and now considering 288/288 (removed 0) transitions.
[2026-05-23 09:40:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 09:40:35] [INFO ] Implicit Places using invariants in 648 ms returned []
[2026-05-23 09:40:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 09:40:36] [INFO ] Implicit Places using invariants and state equation in 1042 ms returned []
Implicit Place search using SMT with State Equation took 1692 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 09:40:36] [INFO ] Redundant transitions in 1 ms returned []
Running 285 sub problems to find dead transitions.
[2026-05-23 09:40:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/339 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 285 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/339 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 285 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/339 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 285 unsolved
At refinement iteration 3 (OVERLAPS) 2/341 variables, 1/54 constraints. Problems are: Problem set: 0 solved, 285 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/341 variables, 6/60 constraints. Problems are: Problem set: 0 solved, 285 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/341 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 285 unsolved
At refinement iteration 6 (OVERLAPS) 1/342 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 285 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/342 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 285 unsolved
Problem TDEAD3 is UNSAT
Problem TDEAD4 is UNSAT
Problem TDEAD5 is UNSAT
Problem TDEAD6 is UNSAT
Problem TDEAD7 is UNSAT
Problem TDEAD8 is UNSAT
Problem TDEAD9 is UNSAT
Problem TDEAD10 is UNSAT
Problem TDEAD11 is UNSAT
Problem TDEAD12 is UNSAT
Problem TDEAD13 is UNSAT
Problem TDEAD149 is UNSAT
Problem TDEAD150 is UNSAT
Problem TDEAD151 is UNSAT
Problem TDEAD152 is UNSAT
Problem TDEAD153 is UNSAT
Problem TDEAD154 is UNSAT
Problem TDEAD155 is UNSAT
Problem TDEAD156 is UNSAT
Problem TDEAD157 is UNSAT
Problem TDEAD158 is UNSAT
Problem TDEAD159 is UNSAT
Problem TDEAD160 is UNSAT
Problem TDEAD207 is UNSAT
At refinement iteration 8 (OVERLAPS) 288/630 variables, 342/403 constraints. Problems are: Problem set: 24 solved, 261 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:40:59] [INFO ] Deduced a trap composed of 13 places in 112 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:41:02] [INFO ] Deduced a trap composed of 5 places in 69 ms of which 6 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/630 variables, 2/405 constraints. Problems are: Problem set: 24 solved, 261 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 630/631 variables, and 405 constraints, problems are : Problem set: 24 solved, 261 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 342/343 constraints, PredecessorRefiner: 285/285 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 24 solved, 261 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/315 variables, 36/36 constraints. Problems are: Problem set: 24 solved, 261 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/315 variables, 17/53 constraints. Problems are: Problem set: 24 solved, 261 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/315 variables, 2/55 constraints. Problems are: Problem set: 24 solved, 261 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/315 variables, 0/55 constraints. Problems are: Problem set: 24 solved, 261 unsolved
At refinement iteration 4 (OVERLAPS) 2/317 variables, 1/56 constraints. Problems are: Problem set: 24 solved, 261 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/317 variables, 0/56 constraints. Problems are: Problem set: 24 solved, 261 unsolved
At refinement iteration 6 (OVERLAPS) 25/342 variables, 7/63 constraints. Problems are: Problem set: 24 solved, 261 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:41:19] [INFO ] Deduced a trap composed of 19 places in 189 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:41:21] [INFO ] Deduced a trap composed of 10 places in 226 ms of which 12 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/342 variables, 2/65 constraints. Problems are: Problem set: 24 solved, 261 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/342 variables, 0/65 constraints. Problems are: Problem set: 24 solved, 261 unsolved
At refinement iteration 9 (OVERLAPS) 288/630 variables, 342/407 constraints. Problems are: Problem set: 24 solved, 261 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/630 variables, 261/668 constraints. Problems are: Problem set: 24 solved, 261 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 630/631 variables, and 668 constraints, problems are : Problem set: 24 solved, 261 unsolved in 30030 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 342/343 constraints, PredecessorRefiner: 261/285 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60170ms problems are : Problem set: 24 solved, 261 unsolved
Search for dead transitions found 24 dead transitions in 60171ms
Found 24 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 24 transitions
Dead transitions reduction (with SMT) removed 24 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 343/343 places, 264/288 transitions.
Graph (complete) has 1098 edges and 343 vertex of which 319 are kept as prefixes of interest. Removing 24 places using SCC suffix rule.1 ms
Discarding 24 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 14 ms. Remains 319 /343 variables (removed 24) and now considering 264/264 (removed 0) transitions.
// Phase 1: matrix 264 rows 319 cols
[2026-05-23 09:41:37] [INFO ] Computed 61 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 09:41:37] [INFO ] Implicit Places using invariants in 608 ms returned []
[2026-05-23 09:41:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 09:41:38] [INFO ] Implicit Places using invariants and state equation in 1029 ms returned []
Implicit Place search using SMT with State Equation took 1644 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 319/343 places, 264/288 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 63537 ms. Remains : 319/343 places, 264/288 transitions.
[2026-05-23 09:41:38] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (47747 resets) in 2660 ms. (375 steps per ms)
BEST_FIRST walk for 1000001 steps (9131 resets) in 918 ms. (1088 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-23 09:41:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 09:41:42] [INFO ] [Real]Absence check using 37 positive place invariants in 23 ms returned sat
[2026-05-23 09:41:42] [INFO ] [Real]Absence check using 37 positive and 24 generalized place invariants in 31 ms returned sat
[2026-05-23 09:41:42] [INFO ] [Real]Absence check using state equation in 266 ms returned sat
[2026-05-23 09:41:42] [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 09:41:42] [INFO ] [Nat]Absence check using 37 positive place invariants in 21 ms returned sat
[2026-05-23 09:41:42] [INFO ] [Nat]Absence check using 37 positive and 24 generalized place invariants in 26 ms returned sat
[2026-05-23 09:41:43] [INFO ] [Nat]Absence check using state equation in 294 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:41:43] [INFO ] Deduced a trap composed of 5 places in 80 ms of which 6 ms to minimize.
[2026-05-23 09:41:43] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 126 ms
[2026-05-23 09:41:43] [INFO ] Computed and/alt/rep : 250/436/250 causal constraints (skipped 11 transitions) in 27 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:41:47] [INFO ] Deduced a trap composed of 13 places in 173 ms of which 12 ms to minimize.
[2026-05-23 09:41:47] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 263 ms
[2026-05-23 09:41:47] [INFO ] Added : 235 causal constraints over 47 iterations in 4311 ms. Result :sat
Minimization took 386 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 319 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 319/319 places, 264/264 transitions.
Applied a total of 0 rules in 11 ms. Remains 319 /319 variables (removed 0) and now considering 264/264 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 319/319 places, 264/264 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 319/319 places, 264/264 transitions.
Applied a total of 0 rules in 10 ms. Remains 319 /319 variables (removed 0) and now considering 264/264 (removed 0) transitions.
[2026-05-23 09:41:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 09:41:49] [INFO ] Implicit Places using invariants in 605 ms returned []
[2026-05-23 09:41:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 09:41:50] [INFO ] Implicit Places using invariants and state equation in 1124 ms returned []
Implicit Place search using SMT with State Equation took 1731 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 09:41:50] [INFO ] Redundant transitions in 1 ms returned []
Running 261 sub problems to find dead transitions.
[2026-05-23 09:41:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/315 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/315 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/315 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 3 (OVERLAPS) 2/317 variables, 1/54 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/317 variables, 6/60 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/317 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 6 (OVERLAPS) 1/318 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/318 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 8 (OVERLAPS) 264/582 variables, 318/379 constraints. Problems are: Problem set: 0 solved, 261 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:42:10] [INFO ] Deduced a trap composed of 13 places in 107 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:42:12] [INFO ] Deduced a trap composed of 5 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 09:42:14] [INFO ] Deduced a trap composed of 16 places in 117 ms of which 8 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 9 (INCLUDED_ONLY) 0/582 variables, 3/382 constraints. Problems are: Problem set: 0 solved, 261 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 582/583 variables, and 382 constraints, problems are : Problem set: 0 solved, 261 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 318/319 constraints, PredecessorRefiner: 261/261 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 261 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/315 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/315 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/315 variables, 2/55 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/315 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 4 (OVERLAPS) 2/317 variables, 1/56 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/317 variables, 6/62 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/317 variables, 1/63 constraints. Problems are: Problem set: 0 solved, 261 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:42:27] [INFO ] Deduced a trap composed of 10 places in 163 ms of which 14 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/317 variables, 1/64 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/317 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 9 (OVERLAPS) 1/318 variables, 1/65 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/318 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 11 (OVERLAPS) 264/582 variables, 318/383 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/582 variables, 261/644 constraints. Problems are: Problem set: 0 solved, 261 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 582/583 variables, and 644 constraints, problems are : Problem set: 0 solved, 261 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 318/319 constraints, PredecessorRefiner: 261/261 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60195ms problems are : Problem set: 0 solved, 261 unsolved
Search for dead transitions found 0 dead transitions in 60196ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61948 ms. Remains : 319/319 places, 264/264 transitions.
[2026-05-23 09:42:50] [INFO ] Flatten gal took : 35 ms
[2026-05-23 09:42:50] [INFO ] Flatten gal took : 28 ms
[2026-05-23 09:42:50] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6612858174297416646.gal : 6 ms
[2026-05-23 09:42:50] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11967160424185406969.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/ReachabilityCardinality6612858174297416646.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11967160424185406969.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
RANDOM walk for 40000 steps (1895 resets) in 254 ms. (156 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (376 resets) in 125 ms. (317 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality11967160424185406969.prop.
BEST_FIRST walk for 40004 steps (350 resets) in 126 ms. (314 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :2 after 4
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :4 after 21
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :21 after 22
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :22 after 28
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :28 after 544
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :544 after 1180
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :1180 after 10552
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :10552 after 31136
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :31136 after 75506
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :75506 after 239412
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :239412 after 538176
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :1.77546e+09 after 2.66368e+09
Interrupted probabilistic random walk after 734558 steps, run timeout after 3001 ms. (steps per millisecond=244 ) properties seen :0 out of 2
Probabilistic random walk after 734558 steps, saw 103627 distinct states, run finished after 3001 ms. (steps per millisecond=244 ) properties seen :0
[2026-05-23 09:42:54] [INFO ] Invariant cache hit.
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) 46/47 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/47 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 131/178 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/178 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 37/215 variables, 24/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/215 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 25/240 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/240 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 7/247 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/247 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 200/447 variables, 247/303 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/447 variables, 0/303 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 13/460 variables, 8/311 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/460 variables, 3/314 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/460 variables, 0/314 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 2/462 variables, 1/315 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/462 variables, 2/317 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/462 variables, 0/317 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 62/524 variables, 3/320 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/524 variables, 1/321 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/524 variables, 0/321 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 59/583 variables, 59/380 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/583 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 24 (OVERLAPS) 0/583 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 583/583 variables, and 380 constraints, problems are : Problem set: 0 solved, 2 unsolved in 505 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 319/319 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 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) 46/47 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/47 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 131/178 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/178 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 37/215 variables, 24/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/215 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 25/240 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/240 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 7/247 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/247 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 200/447 variables, 247/303 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/447 variables, 2/305 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :2.66368e+09 after 2.6672e+09
[2026-05-23 09:42:55] [INFO ] Deduced a trap composed of 18 places in 153 ms of which 19 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/447 variables, 1/306 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/447 variables, 0/306 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 13/460 variables, 8/314 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/460 variables, 3/317 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/460 variables, 0/317 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (OVERLAPS) 2/462 variables, 1/318 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/462 variables, 2/320 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/462 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 62/524 variables, 3/323 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/524 variables, 1/324 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/524 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 24 (OVERLAPS) 59/583 variables, 59/383 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/583 variables, 0/383 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 26 (OVERLAPS) 0/583 variables, 0/383 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 583/583 variables, and 383 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1385 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 319/319 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1897ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 2293 ms.
Support contains 1 out of 319 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 319/319 places, 264/264 transitions.
Applied a total of 0 rules in 7 ms. Remains 319 /319 variables (removed 0) and now considering 264/264 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 319/319 places, 264/264 transitions.
RANDOM walk for 40000 steps (1947 resets) in 181 ms. (219 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (360 resets) in 80 ms. (493 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (362 resets) in 97 ms. (408 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :1.79085e+10 after 2.53127e+10
Interrupted probabilistic random walk after 802866 steps, run timeout after 3001 ms. (steps per millisecond=267 ) properties seen :0 out of 2
Probabilistic random walk after 802866 steps, saw 113328 distinct states, run finished after 3001 ms. (steps per millisecond=267 ) properties seen :0
[2026-05-23 09:43:01] [INFO ] Invariant cache hit.
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) 46/47 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/47 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 131/178 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/178 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 37/215 variables, 24/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/215 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 25/240 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/240 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 7/247 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/247 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 200/447 variables, 247/303 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/447 variables, 0/303 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 13/460 variables, 8/311 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/460 variables, 3/314 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/460 variables, 0/314 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 2/462 variables, 1/315 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/462 variables, 2/317 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/462 variables, 0/317 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 62/524 variables, 3/320 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/524 variables, 1/321 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/524 variables, 0/321 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 59/583 variables, 59/380 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/583 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 24 (OVERLAPS) 0/583 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 583/583 variables, and 380 constraints, problems are : Problem set: 0 solved, 2 unsolved in 752 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 319/319 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 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) 46/47 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/47 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 131/178 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/178 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 37/215 variables, 24/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/215 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 25/240 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/240 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 7/247 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/247 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 200/447 variables, 247/303 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/447 variables, 2/305 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 09:43:02] [INFO ] Deduced a trap composed of 18 places in 126 ms of which 18 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/447 variables, 1/306 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/447 variables, 0/306 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 13/460 variables, 8/314 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/460 variables, 3/317 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/460 variables, 0/317 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (OVERLAPS) 2/462 variables, 1/318 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/462 variables, 2/320 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/462 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 62/524 variables, 3/323 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/524 variables, 1/324 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/524 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 24 (OVERLAPS) 59/583 variables, 59/383 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/583 variables, 0/383 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 26 (OVERLAPS) 0/583 variables, 0/383 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 583/583 variables, and 383 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1297 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 319/319 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2065ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 2232 ms.
Support contains 1 out of 319 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 319/319 places, 264/264 transitions.
Applied a total of 0 rules in 7 ms. Remains 319 /319 variables (removed 0) and now considering 264/264 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 319/319 places, 264/264 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 319/319 places, 264/264 transitions.
Applied a total of 0 rules in 6 ms. Remains 319 /319 variables (removed 0) and now considering 264/264 (removed 0) transitions.
[2026-05-23 09:43:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 09:43:06] [INFO ] Implicit Places using invariants in 300 ms returned []
[2026-05-23 09:43:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 09:43:06] [INFO ] Implicit Places using invariants and state equation in 821 ms returned []
Implicit Place search using SMT with State Equation took 1123 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 09:43:06] [INFO ] Redundant transitions in 1 ms returned []
Running 261 sub problems to find dead transitions.
[2026-05-23 09:43:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SDD proceeding with computation,2 properties remain. new max is 131072
SDD size :2.6222e+10 after 2.67836e+10
At refinement iteration 0 (INCLUDED_ONLY) 0/315 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/315 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/315 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 3 (OVERLAPS) 2/317 variables, 1/54 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/317 variables, 6/60 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/317 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 6 (OVERLAPS) 1/318 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/318 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 8 (OVERLAPS) 264/582 variables, 318/379 constraints. Problems are: Problem set: 0 solved, 261 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:43:21] [INFO ] Deduced a trap composed of 13 places in 141 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:43:23] [INFO ] Deduced a trap composed of 5 places in 65 ms of which 5 ms to minimize.
SDD proceeding with computation,2 properties remain. new max is 262144
SDD size :1.94245e+11 after 2.38069e+11
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:43:24] [INFO ] Deduced a trap composed of 16 places in 115 ms of which 8 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/582 variables, 3/382 constraints. Problems are: Problem set: 0 solved, 261 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:43:32] [INFO ] Deduced a trap composed of 10 places in 196 ms of which 15 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/582 variables, 1/383 constraints. Problems are: Problem set: 0 solved, 261 unsolved
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 582/583 variables, and 383 constraints, problems are : Problem set: 0 solved, 261 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 318/319 constraints, PredecessorRefiner: 261/261 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 261 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/315 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/315 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/315 variables, 3/56 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/315 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 4 (OVERLAPS) 2/317 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/317 variables, 6/63 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/317 variables, 1/64 constraints. Problems are: Problem set: 0 solved, 261 unsolved
Detected timeout of ITS tools.
[2026-05-23 09:43:41] [INFO ] Flatten gal took : 21 ms
[2026-05-23 09:43:41] [INFO ] Applying decomposition
[2026-05-23 09:43:41] [INFO ] Flatten gal took : 26 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/graph17858606174016496794.txt' '-o' '/tmp/graph17858606174016496794.bin' '-w' '/tmp/graph17858606174016496794.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph17858606174016496794.bin' '-l' '-1' '-v' '-w' '/tmp/graph17858606174016496794.weights' '-q' '0' '-e' '0.001'
[2026-05-23 09:43:41] [INFO ] Decomposing Gal with order
[2026-05-23 09:43:41] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 09:43:41] [INFO ] Removed a total of 45 redundant transitions.
[2026-05-23 09:43:41] [INFO ] Flatten gal took : 39 ms
[2026-05-23 09:43:41] [INFO ] Fuse similar labels procedure discarded/fused a total of 14 labels/synchronizations in 6 ms.
[2026-05-23 09:43:41] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16045045645237221905.gal : 8 ms
[2026-05-23 09:43:41] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7671186317701170985.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/ReachabilityCardinality16045045645237221905.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7671186317701170985.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/ReachabilityCardinality7671186317701170985.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :2 after 514
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :514 after 4132
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :4132 after 15848
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :50736 after 8.68455e+08
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :8.68455e+08 after 1.71761e+09
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :1.71761e+09 after 2.56676e+09
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :2.56676e+09 after 3.75557e+09
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :3.75557e+09 after 5.28405e+09
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :5.28405e+09 after 8.17117e+09
At refinement iteration 7 (INCLUDED_ONLY) 0/317 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 8 (OVERLAPS) 1/318 variables, 1/65 constraints. Problems are: Problem set: 0 solved, 261 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:43:48] [INFO ] Deduced a trap composed of 17 places in 111 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:43:48] [INFO ] Deduced a trap composed of 17 places in 146 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:43:48] [INFO ] Deduced a trap composed of 18 places in 139 ms of which 9 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/318 variables, 3/68 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/318 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 11 (OVERLAPS) 264/582 variables, 318/386 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/582 variables, 261/647 constraints. Problems are: Problem set: 0 solved, 261 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 582/583 variables, and 647 constraints, problems are : Problem set: 0 solved, 261 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 318/319 constraints, PredecessorRefiner: 261/261 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60114ms problems are : Problem set: 0 solved, 261 unsolved
Search for dead transitions found 0 dead transitions in 60115ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61253 ms. Remains : 319/319 places, 264/264 transitions.
Attempting over-approximation, by ignoring read arcs.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 319 transition count 264
Applied a total of 1 rules in 23 ms. Remains 319 /319 variables (removed 0) and now considering 264/264 (removed 0) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 264 rows 319 cols
[2026-05-23 09:44:06] [INFO ] Computed 61 invariants in 6 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-23 09:44:07] [INFO ] [Real]Absence check using 37 positive place invariants in 16 ms returned sat
[2026-05-23 09:44:07] [INFO ] [Real]Absence check using 37 positive and 24 generalized place invariants in 30 ms returned sat
[2026-05-23 09:44:07] [INFO ] After 196ms 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 09:44:07] [INFO ] [Nat]Absence check using 37 positive place invariants in 15 ms returned sat
[2026-05-23 09:44:07] [INFO ] [Nat]Absence check using 37 positive and 24 generalized place invariants in 29 ms returned sat
[2026-05-23 09:44:07] [INFO ] After 316ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2026-05-23 09:44:07] [INFO ] After 396ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2026-05-23 09:44:07] [INFO ] After 636ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2026-05-23 09:44:07] [INFO ] Flatten gal took : 24 ms
[2026-05-23 09:44:07] [INFO ] Flatten gal took : 23 ms
[2026-05-23 09:44:07] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15124233431337027293.gal : 4 ms
[2026-05-23 09:44:07] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8188830688389683769.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/ReachabilityCardinality15124233431337027293.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8188830688389683769.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/ReachabilityCardinality8188830688389683769.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :2 after 4
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :4 after 20
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :20 after 24
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :24 after 58
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :58 after 604
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :604 after 4232
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :4232 after 12176
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :12176 after 32936
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :32936 after 77144
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :77144 after 222640
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :222640 after 579056
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :1.77546e+09 after 2.6631e+09
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :2.6631e+09 after 2.66834e+09
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :1.79085e+10 after 2.53141e+10
Detected timeout of ITS tools.
[2026-05-23 09:44:22] [INFO ] Flatten gal took : 13 ms
[2026-05-23 09:44:22] [INFO ] Applying decomposition
[2026-05-23 09:44:22] [INFO ] Flatten gal took : 12 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/graph8591048990500412814.txt' '-o' '/tmp/graph8591048990500412814.bin' '-w' '/tmp/graph8591048990500412814.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph8591048990500412814.bin' '-l' '-1' '-v' '-w' '/tmp/graph8591048990500412814.weights' '-q' '0' '-e' '0.001'
[2026-05-23 09:44:23] [INFO ] Decomposing Gal with order
[2026-05-23 09:44:23] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 09:44:23] [INFO ] Removed a total of 75 redundant transitions.
[2026-05-23 09:44:23] [INFO ] Flatten gal took : 28 ms
[2026-05-23 09:44:23] [INFO ] Fuse similar labels procedure discarded/fused a total of 48 labels/synchronizations in 3 ms.
[2026-05-23 09:44:23] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality396701973058539253.gal : 4 ms
[2026-05-23 09:44:23] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8594270382052759697.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/ReachabilityCardinality396701973058539253.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8594270382052759697.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...306
Loading property file /tmp/ReachabilityCardinality8594270382052759697.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :2 after 98
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :98 after 1994
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :1994 after 5956
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :5956 after 226616
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :226616 after 8.85113e+10
Detected timeout of ITS tools.
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :8.85113e+10 after 1.75228e+11
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 31150 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[1]
Ending property specific reduction for DES-PT-60b-UpperBounds-05 in 256536 ms.
Starting property specific reduction for DES-PT-60b-UpperBounds-07
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[1]
// Phase 1: matrix 302 rows 356 cols
[2026-05-23 09:44:38] [INFO ] Computed 60 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 10000 steps (484 resets) in 22 ms. (434 steps per ms)
BEST_FIRST walk for 10001 steps (83 resets) in 10 ms. (909 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-23 09:44:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 09:44:38] [INFO ] [Real]Absence check using 36 positive place invariants in 14 ms returned sat
[2026-05-23 09:44:38] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 20 ms returned sat
[2026-05-23 09:44:38] [INFO ] [Real]Absence check using state equation in 202 ms returned sat
[2026-05-23 09:44:38] [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 09:44:38] [INFO ] [Nat]Absence check using 36 positive place invariants in 24 ms returned sat
[2026-05-23 09:44:38] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 35 ms returned sat
[2026-05-23 09:44:38] [INFO ] [Nat]Absence check using state equation in 328 ms returned sat
[2026-05-23 09:44:38] [INFO ] Computed and/alt/rep : 288/500/288 causal constraints (skipped 11 transitions) in 33 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:44:42] [INFO ] Deduced a trap composed of 15 places in 269 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:44:42] [INFO ] Deduced a trap composed of 60 places in 168 ms of which 20 ms to minimize.
[2026-05-23 09:44:42] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 837 ms
[2026-05-23 09:44:42] [INFO ] Added : 266 causal constraints over 54 iterations in 4019 ms. Result :sat
Minimization took 409 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 356 places. Attempting structural reductions.
Drop transitions (Removing consumers from one bounded place p14) removed 1 transitions
Starting structural reductions in REACHABILITY mode, iteration 0 : 356/356 places, 301/301 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 355 transition count 300
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 354 transition count 299
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 3 place count 353 transition count 298
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 4 place count 352 transition count 297
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 5 place count 351 transition count 296
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 6 place count 350 transition count 295
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 7 place count 349 transition count 294
Applied a total of 7 rules in 27 ms. Remains 349 /356 variables (removed 7) and now considering 294/301 (removed 7) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28 ms. Remains : 349/356 places, 294/301 transitions.
// Phase 1: matrix 294 rows 349 cols
[2026-05-23 09:44:44] [INFO ] Computed 61 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (47800 resets) in 2647 ms. (377 steps per ms)
BEST_FIRST walk for 1000001 steps (9190 resets) in 950 ms. (1051 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-23 09:44:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 09:44:48] [INFO ] [Real]Absence check using 37 positive place invariants in 25 ms returned sat
[2026-05-23 09:44:48] [INFO ] [Real]Absence check using 37 positive and 24 generalized place invariants in 30 ms returned sat
[2026-05-23 09:44:48] [INFO ] [Real]Absence check using state equation in 287 ms returned sat
[2026-05-23 09:44:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 09:44:48] [INFO ] [Nat]Absence check using 37 positive place invariants in 21 ms returned sat
[2026-05-23 09:44:48] [INFO ] [Nat]Absence check using 37 positive and 24 generalized place invariants in 31 ms returned sat
[2026-05-23 09:44:48] [INFO ] [Nat]Absence check using state equation in 276 ms returned sat
[2026-05-23 09:44:48] [INFO ] Computed and/alt/rep : 280/476/280 causal constraints (skipped 11 transitions) in 32 ms.
[2026-05-23 09:44:53] [INFO ] Added : 261 causal constraints over 53 iterations in 4755 ms. Result :sat
Minimization took 376 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 349 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 349/349 places, 294/294 transitions.
Applied a total of 0 rules in 18 ms. Remains 349 /349 variables (removed 0) and now considering 294/294 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 349/349 places, 294/294 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 349/349 places, 294/294 transitions.
Applied a total of 0 rules in 7 ms. Remains 349 /349 variables (removed 0) and now considering 294/294 (removed 0) transitions.
[2026-05-23 09:44:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 09:44:55] [INFO ] Implicit Places using invariants in 408 ms returned []
[2026-05-23 09:44:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 09:44:56] [INFO ] Implicit Places using invariants and state equation in 1203 ms returned []
Implicit Place search using SMT with State Equation took 1612 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 09:44:56] [INFO ] Redundant transitions in 2 ms returned []
Running 291 sub problems to find dead transitions.
[2026-05-23 09:44:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/345 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 291 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/345 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 291 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/345 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 291 unsolved
At refinement iteration 3 (OVERLAPS) 1/346 variables, 1/54 constraints. Problems are: Problem set: 0 solved, 291 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:45:12] [INFO ] Deduced a trap composed of 69 places in 131 ms of which 7 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/346 variables, 1/55 constraints. Problems are: Problem set: 0 solved, 291 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/346 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 291 unsolved
At refinement iteration 6 (OVERLAPS) 2/348 variables, 7/62 constraints. Problems are: Problem set: 0 solved, 291 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/348 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 291 unsolved
Problem TDEAD3 is UNSAT
Problem TDEAD4 is UNSAT
Problem TDEAD5 is UNSAT
Problem TDEAD6 is UNSAT
Problem TDEAD224 is UNSAT
Problem TDEAD225 is UNSAT
Problem TDEAD226 is UNSAT
Problem TDEAD227 is UNSAT
Problem TDEAD228 is UNSAT
Problem TDEAD229 is UNSAT
At refinement iteration 8 (OVERLAPS) 294/642 variables, 348/410 constraints. Problems are: Problem set: 10 solved, 281 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:45:26] [INFO ] Deduced a trap composed of 12 places in 175 ms of which 12 ms to minimize.
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
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(s315 timeout
0.0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 642/643 variables, and 411 constraints, problems are : Problem set: 10 solved, 281 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 348/349 constraints, PredecessorRefiner: 291/291 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 10 solved, 281 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/335 variables, 36/36 constraints. Problems are: Problem set: 10 solved, 281 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/335 variables, 17/53 constraints. Problems are: Problem set: 10 solved, 281 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/335 variables, 0/53 constraints. Problems are: Problem set: 10 solved, 281 unsolved
At refinement iteration 3 (OVERLAPS) 1/336 variables, 1/54 constraints. Problems are: Problem set: 10 solved, 281 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/336 variables, 1/55 constraints. Problems are: Problem set: 10 solved, 281 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/336 variables, 0/55 constraints. Problems are: Problem set: 10 solved, 281 unsolved
At refinement iteration 6 (OVERLAPS) 12/348 variables, 7/62 constraints. Problems are: Problem set: 10 solved, 281 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/348 variables, 1/63 constraints. Problems are: Problem set: 10 solved, 281 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:45:36] [INFO ] Deduced a trap composed of 5 places in 121 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:45:37] [INFO ] Deduced a trap composed of 15 places in 168 ms of which 13 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/348 variables, 2/65 constraints. Problems are: Problem set: 10 solved, 281 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/348 variables, 0/65 constraints. Problems are: Problem set: 10 solved, 281 unsolved
At refinement iteration 10 (OVERLAPS) 294/642 variables, 348/413 constraints. Problems are: Problem set: 10 solved, 281 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/642 variables, 281/694 constraints. Problems are: Problem set: 10 solved, 281 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 642/643 variables, and 694 constraints, problems are : Problem set: 10 solved, 281 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 348/349 constraints, PredecessorRefiner: 281/291 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60194ms problems are : Problem set: 10 solved, 281 unsolved
Search for dead transitions found 10 dead transitions in 60196ms
Found 10 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 10 transitions
Dead transitions reduction (with SMT) removed 10 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 349/349 places, 284/294 transitions.
Graph (complete) has 1176 edges and 349 vertex of which 339 are kept as prefixes of interest. Removing 10 places using SCC suffix rule.0 ms
Discarding 10 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 7 ms. Remains 339 /349 variables (removed 10) and now considering 284/284 (removed 0) transitions.
// Phase 1: matrix 284 rows 339 cols
[2026-05-23 09:45:56] [INFO ] Computed 61 invariants in 7 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 09:45:57] [INFO ] Implicit Places using invariants in 363 ms returned []
[2026-05-23 09:45:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 09:45:58] [INFO ] Implicit Places using invariants and state equation in 1047 ms returned []
Implicit Place search using SMT with State Equation took 1423 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 339/349 places, 284/294 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 63255 ms. Remains : 339/349 places, 284/294 transitions.
[2026-05-23 09:45:58] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (47671 resets) in 2614 ms. (382 steps per ms)
BEST_FIRST walk for 1000000 steps (9181 resets) in 1157 ms. (863 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-23 09:46:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 09:46:02] [INFO ] [Real]Absence check using 37 positive place invariants in 20 ms returned sat
[2026-05-23 09:46:02] [INFO ] [Real]Absence check using 37 positive and 24 generalized place invariants in 29 ms returned sat
[2026-05-23 09:46:02] [INFO ] [Real]Absence check using state equation in 292 ms returned sat
[2026-05-23 09:46:02] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 09:46:02] [INFO ] [Nat]Absence check using 37 positive place invariants in 22 ms returned sat
[2026-05-23 09:46:02] [INFO ] [Nat]Absence check using 37 positive and 24 generalized place invariants in 30 ms returned sat
[2026-05-23 09:46:03] [INFO ] [Nat]Absence check using state equation in 321 ms returned sat
[2026-05-23 09:46:03] [INFO ] Computed and/alt/rep : 270/466/270 causal constraints (skipped 11 transitions) in 29 ms.
[2026-05-23 09:46:06] [INFO ] Added : 261 causal constraints over 53 iterations in 3583 ms. Result :sat
Minimization took 371 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 339 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 339/339 places, 284/284 transitions.
Applied a total of 0 rules in 7 ms. Remains 339 /339 variables (removed 0) and now considering 284/284 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 339/339 places, 284/284 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 339/339 places, 284/284 transitions.
Applied a total of 0 rules in 7 ms. Remains 339 /339 variables (removed 0) and now considering 284/284 (removed 0) transitions.
[2026-05-23 09:46:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 09:46:08] [INFO ] Implicit Places using invariants in 603 ms returned []
[2026-05-23 09:46:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 09:46:09] [INFO ] Implicit Places using invariants and state equation in 1077 ms returned []
Implicit Place search using SMT with State Equation took 1685 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 09:46:09] [INFO ] Redundant transitions in 2 ms returned []
Running 281 sub problems to find dead transitions.
[2026-05-23 09:46:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/335 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/335 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/335 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 3 (OVERLAPS) 1/336 variables, 1/54 constraints. Problems are: Problem set: 0 solved, 281 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:46:23] [INFO ] Deduced a trap composed of 69 places in 93 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/336 variables, 1/55 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/336 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 6 (OVERLAPS) 2/338 variables, 7/62 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/338 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 8 (OVERLAPS) 284/622 variables, 338/400 constraints. Problems are: Problem set: 0 solved, 281 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:46:37] [INFO ] Deduced a trap composed of 15 places in 137 ms of which 17 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 622/623 variables, and 401 constraints, problems are : Problem set: 0 solved, 281 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 338/339 constraints, PredecessorRefiner: 281/281 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 281 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/335 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/335 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/335 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 3 (OVERLAPS) 1/336 variables, 1/54 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/336 variables, 1/55 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/336 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 6 (OVERLAPS) 2/338 variables, 7/62 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/338 variables, 1/63 constraints. Problems are: Problem set: 0 solved, 281 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:46:49] [INFO ] Deduced a trap composed of 5 places in 79 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:46:49] [INFO ] Deduced a trap composed of 13 places in 223 ms of which 19 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/338 variables, 2/65 constraints. Problems are: Problem set: 0 solved, 281 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:46:54] [INFO ] Deduced a trap composed of 13 places in 219 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:46:55] [INFO ] Deduced a trap composed of 15 places in 223 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:46:55] [INFO ] Deduced a trap composed of 11 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 09:46:55] [INFO ] Deduced a trap composed of 11 places in 171 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:46:55] [INFO ] Deduced a trap composed of 12 places in 176 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:46:55] [INFO ] Deduced a trap composed of 12 places in 120 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:46:56] [INFO ] Deduced a trap composed of 12 places in 139 ms of which 9 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/338 variables, 7/72 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/338 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 11 (OVERLAPS) 284/622 variables, 338/410 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/622 variables, 281/691 constraints. Problems are: Problem set: 0 solved, 281 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 622/623 variables, and 691 constraints, problems are : Problem set: 0 solved, 281 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 338/339 constraints, PredecessorRefiner: 281/281 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60186ms problems are : Problem set: 0 solved, 281 unsolved
Search for dead transitions found 0 dead transitions in 60188ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61890 ms. Remains : 339/339 places, 284/284 transitions.
[2026-05-23 09:47:09] [INFO ] Flatten gal took : 28 ms
[2026-05-23 09:47:09] [INFO ] Flatten gal took : 22 ms
[2026-05-23 09:47:09] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13217362694060599101.gal : 5 ms
[2026-05-23 09:47:09] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2309689691104674618.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/ReachabilityCardinality13217362694060599101.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2309689691104674618.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/ReachabilityCardinality2309689691104674618.prop.
RANDOM walk for 40000 steps (1877 resets) in 397 ms. (100 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (387 resets) in 127 ms. (312 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (352 resets) in 135 ms. (294 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :2 after 4
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :4 after 34
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :34 after 38
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :38 after 52
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :52 after 968
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :968 after 1196
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :1196 after 5408
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :5408 after 32056
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :32056 after 88560
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :88560 after 243128
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :243128 after 405560
Interrupted probabilistic random walk after 680223 steps, run timeout after 3001 ms. (steps per millisecond=226 ) properties seen :0 out of 2
Probabilistic random walk after 680223 steps, saw 96495 distinct states, run finished after 3001 ms. (steps per millisecond=226 ) properties seen :0
[2026-05-23 09:47:13] [INFO ] Invariant cache hit.
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) 51/52 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/52 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 16384
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 146/198 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/198 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 37/235 variables, 24/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD size :1.84298e+06 after 6.63957e+08
At refinement iteration 6 (INCLUDED_ONLY) 0/235 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 25/260 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/260 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 7/267 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/267 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 220/487 variables, 267/323 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/487 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 13/500 variables, 8/331 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/500 variables, 3/334 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/500 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 2/502 variables, 1/335 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/502 variables, 2/337 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/502 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 62/564 variables, 3/340 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/564 variables, 1/341 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/564 variables, 0/341 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 59/623 variables, 59/400 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/623 variables, 0/400 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 24 (OVERLAPS) 0/623 variables, 0/400 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 623/623 variables, and 400 constraints, problems are : Problem set: 0 solved, 2 unsolved in 782 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 339/339 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 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) 51/52 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/52 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 146/198 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/198 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 37/235 variables, 24/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:47:14] [INFO ] Deduced a trap composed of 10 places in 92 ms of which 9 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/235 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/235 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 25/260 variables, 17/50 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/260 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 7/267 variables, 7/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/267 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 220/487 variables, 267/324 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/487 variables, 2/326 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/487 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 13/500 variables, 8/334 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/500 variables, 3/337 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/500 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (OVERLAPS) 2/502 variables, 1/338 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/502 variables, 2/340 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/502 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 62/564 variables, 3/343 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/564 variables, 1/344 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/564 variables, 0/344 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 24 (OVERLAPS) 59/623 variables, 59/403 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/623 variables, 0/403 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 26 (OVERLAPS) 0/623 variables, 0/403 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 623/623 variables, and 403 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1423 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 339/339 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2230ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :6.63957e+08 after 2.66587e+09
Parikh walk visited 0 properties in 2427 ms.
Support contains 1 out of 339 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 339/339 places, 284/284 transitions.
Applied a total of 0 rules in 6 ms. Remains 339 /339 variables (removed 0) and now considering 284/284 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 339/339 places, 284/284 transitions.
RANDOM walk for 40000 steps (1934 resets) in 148 ms. (268 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (382 resets) in 77 ms. (512 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (357 resets) in 63 ms. (625 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 855612 steps, run timeout after 3001 ms. (steps per millisecond=285 ) properties seen :0 out of 2
Probabilistic random walk after 855612 steps, saw 120787 distinct states, run finished after 3001 ms. (steps per millisecond=285 ) properties seen :0
[2026-05-23 09:47:20] [INFO ] Invariant cache hit.
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) 51/52 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/52 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 146/198 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/198 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 37/235 variables, 24/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/235 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 25/260 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/260 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 7/267 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/267 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 220/487 variables, 267/323 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/487 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 13/500 variables, 8/331 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/500 variables, 3/334 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/500 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 2/502 variables, 1/335 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/502 variables, 2/337 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/502 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 62/564 variables, 3/340 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/564 variables, 1/341 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/564 variables, 0/341 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 59/623 variables, 59/400 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/623 variables, 0/400 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 24 (OVERLAPS) 0/623 variables, 0/400 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 623/623 variables, and 400 constraints, problems are : Problem set: 0 solved, 2 unsolved in 663 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 339/339 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 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) 51/52 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/52 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 146/198 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/198 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 37/235 variables, 24/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:47:21] [INFO ] Deduced a trap composed of 10 places in 100 ms of which 10 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/235 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/235 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 25/260 variables, 17/50 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/260 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 7/267 variables, 7/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/267 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 220/487 variables, 267/324 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/487 variables, 2/326 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/487 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 13/500 variables, 8/334 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/500 variables, 3/337 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/500 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (OVERLAPS) 2/502 variables, 1/338 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/502 variables, 2/340 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/502 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 62/564 variables, 3/343 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/564 variables, 1/344 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/564 variables, 0/344 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 24 (OVERLAPS) 59/623 variables, 59/403 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/623 variables, 0/403 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 26 (OVERLAPS) 0/623 variables, 0/403 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 623/623 variables, and 403 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1169 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 339/339 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1843ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :2.85325e+09 after 2.87163e+09
Parikh walk visited 0 properties in 2915 ms.
Support contains 1 out of 339 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 339/339 places, 284/284 transitions.
Applied a total of 0 rules in 7 ms. Remains 339 /339 variables (removed 0) and now considering 284/284 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 339/339 places, 284/284 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 339/339 places, 284/284 transitions.
Applied a total of 0 rules in 7 ms. Remains 339 /339 variables (removed 0) and now considering 284/284 (removed 0) transitions.
[2026-05-23 09:47:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 09:47:26] [INFO ] Implicit Places using invariants in 463 ms returned []
[2026-05-23 09:47:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 09:47:27] [INFO ] Implicit Places using invariants and state equation in 1012 ms returned []
Implicit Place search using SMT with State Equation took 1481 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 09:47:27] [INFO ] Redundant transitions in 1 ms returned []
Running 281 sub problems to find dead transitions.
[2026-05-23 09:47:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/335 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/335 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/335 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 281 unsolved
SDD proceeding with computation,2 properties remain. new max is 131072
SDD size :2.87163e+09 after 2.53316e+10
At refinement iteration 3 (OVERLAPS) 1/336 variables, 1/54 constraints. Problems are: Problem set: 0 solved, 281 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:47:38] [INFO ] Deduced a trap composed of 69 places in 91 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/336 variables, 1/55 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/336 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 6 (OVERLAPS) 2/338 variables, 7/62 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/338 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 8 (OVERLAPS) 284/622 variables, 338/400 constraints. Problems are: Problem set: 0 solved, 281 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:47:49] [INFO ] Deduced a trap composed of 15 places in 154 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:47:53] [INFO ] Deduced a trap composed of 5 places in 103 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:47:53] [INFO ] Deduced a trap composed of 61 places in 114 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:47:53] [INFO ] Deduced a trap composed of 65 places in 92 ms of which 14 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 9 (INCLUDED_ONLY) 0/622 variables, 4/404 constraints. Problems are: Problem set: 0 solved, 281 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 622/623 variables, and 404 constraints, problems are : Problem set: 0 solved, 281 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 338/339 constraints, PredecessorRefiner: 281/281 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 281 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/335 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/335 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/335 variables, 1/54 constraints. Problems are: Problem set: 0 solved, 281 unsolved
Detected timeout of ITS tools.
[2026-05-23 09:47:59] [INFO ] Flatten gal took : 18 ms
[2026-05-23 09:47:59] [INFO ] Applying decomposition
[2026-05-23 09:48:00] [INFO ] Flatten gal took : 11 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/graph9291896776388174729.txt' '-o' '/tmp/graph9291896776388174729.bin' '-w' '/tmp/graph9291896776388174729.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph9291896776388174729.bin' '-l' '-1' '-v' '-w' '/tmp/graph9291896776388174729.weights' '-q' '0' '-e' '0.001'
[2026-05-23 09:48:00] [INFO ] Decomposing Gal with order
[2026-05-23 09:48:00] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 09:48:00] [INFO ] Removed a total of 47 redundant transitions.
[2026-05-23 09:48:00] [INFO ] Flatten gal took : 21 ms
[2026-05-23 09:48:00] [INFO ] Fuse similar labels procedure discarded/fused a total of 18 labels/synchronizations in 3 ms.
[2026-05-23 09:48:00] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17764962228809417968.gal : 3 ms
[2026-05-23 09:48:00] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10841619160468710149.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/ReachabilityCardinality17764962228809417968.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10841619160468710149.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityCardinality10841619160468710149.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :2 after 330
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :330 after 4132
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :4132 after 48952
At refinement iteration 3 (INCLUDED_ONLY) 0/335 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 281 unsolved
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :48952 after 1.37794e+09
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :1.37794e+09 after 2.39693e+09
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :2.39693e+09 after 3.58574e+09
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :3.58574e+09 after 5.28405e+09
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :5.28405e+09 after 8.341e+09
At refinement iteration 4 (OVERLAPS) 1/336 variables, 1/55 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/336 variables, 3/58 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/336 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 7 (OVERLAPS) 2/338 variables, 7/65 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/338 variables, 1/66 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/338 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 10 (OVERLAPS) 284/622 variables, 338/404 constraints. Problems are: Problem set: 0 solved, 281 unsolved
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :2.91546e+13 after 3.08861e+13
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :7.41737e+13 after 7.42614e+13
At refinement iteration 11 (INCLUDED_ONLY) 0/622 variables, 281/685 constraints. Problems are: Problem set: 0 solved, 281 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 622/623 variables, and 685 constraints, problems are : Problem set: 0 solved, 281 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 338/339 constraints, PredecessorRefiner: 281/281 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60174ms problems are : Problem set: 0 solved, 281 unsolved
Search for dead transitions found 0 dead transitions in 60175ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61672 ms. Remains : 339/339 places, 284/284 transitions.
Attempting over-approximation, by ignoring read arcs.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 339 transition count 284
Applied a total of 1 rules in 24 ms. Remains 339 /339 variables (removed 0) and now considering 284/284 (removed 0) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 284 rows 339 cols
[2026-05-23 09:48:27] [INFO ] Computed 61 invariants in 7 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-23 09:48:27] [INFO ] [Real]Absence check using 37 positive place invariants in 17 ms returned sat
[2026-05-23 09:48:27] [INFO ] [Real]Absence check using 37 positive and 24 generalized place invariants in 36 ms returned sat
[2026-05-23 09:48:27] [INFO ] After 196ms 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 09:48:27] [INFO ] [Nat]Absence check using 37 positive place invariants in 15 ms returned sat
[2026-05-23 09:48:27] [INFO ] [Nat]Absence check using 37 positive and 24 generalized place invariants in 25 ms returned sat
[2026-05-23 09:48:27] [INFO ] After 280ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2026-05-23 09:48:28] [INFO ] After 349ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2026-05-23 09:48:28] [INFO ] After 549ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2026-05-23 09:48:28] [INFO ] Flatten gal took : 20 ms
[2026-05-23 09:48:28] [INFO ] Flatten gal took : 39 ms
[2026-05-23 09:48:28] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13491168424960087382.gal : 4 ms
[2026-05-23 09:48:28] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality124235869374617463.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/ReachabilityCardinality13491168424960087382.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality124235869374617463.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality124235869374617463.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :2 after 4
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :4 after 20
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :20 after 24
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :24 after 58
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :58 after 744
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :744 after 2092
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :2092 after 12176
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :12176 after 29660
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :29660 after 76088
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :76088 after 207332
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :207332 after 366792
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :1.77546e+09 after 2.66281e+09
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :2.66281e+09 after 2.66601e+09
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,8.72504e+13,34.7507,752240,96134,10481,2.00223e+06,21048,279,2.37501e+06,511,171755,0
Total reachable state count : 87250374473504

Verifying 2 reachability properties.
Reachability property MAX0 is true.

SDD proceeding with computation,2 properties remain. new max is 65536
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX0,2.24819e+07,34.9808,750884,586,856,2.00223e+06,21048,279,2.37501e+06,513,171755,0
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
MIN0,2.24819e+07,35.0243,750884,586,856,2.00223e+06,21048,281,2.37501e+06,514,171755,0
SDD size :1.79085e+10 after 2.5312e+10
SDD proceeding with computation,2 properties remain. new max is 131072
SDD size :2.6222e+10 after 2.62579e+10
Detected timeout of ITS tools.
[2026-05-23 09:48:43] [INFO ] Flatten gal took : 21 ms
[2026-05-23 09:48:43] [INFO ] Applying decomposition
[2026-05-23 09:48:43] [INFO ] Flatten gal took : 19 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/graph16635986083948323918.txt' '-o' '/tmp/graph16635986083948323918.bin' '-w' '/tmp/graph16635986083948323918.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph16635986083948323918.bin' '-l' '-1' '-v' '-w' '/tmp/graph16635986083948323918.weights' '-q' '0' '-e' '0.001'
[2026-05-23 09:48:43] [INFO ] Decomposing Gal with order
[2026-05-23 09:48:43] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 09:48:43] [INFO ] Removed a total of 78 redundant transitions.
[2026-05-23 09:48:43] [INFO ] Flatten gal took : 38 ms
[2026-05-23 09:48:43] [INFO ] Fuse similar labels procedure discarded/fused a total of 51 labels/synchronizations in 6 ms.
[2026-05-23 09:48:43] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13730206686673041889.gal : 6 ms
[2026-05-23 09:48:43] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5491284034950417690.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/ReachabilityCardinality13730206686673041889.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5491284034950417690.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/ReachabilityCardinality5491284034950417690.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :2 after 98
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :98 after 899
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :899 after 5380
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :50736 after 71344
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :71344 after 1.26193e+10
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :1.26193e+10 after 2.10116e+10
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :2.10116e+10 after 3.1502e+10
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :3.1502e+10 after 5.03846e+10
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved -2 properties in 31140 ms.
FORMULA DES-PT-60b-UpperBounds-07 1 TECHNIQUES REACHABILITY_MAX
Current structural bounds on expressions (After reachability solving 1 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for DES-PT-60b-UpperBounds-07 in 260310 ms.
Starting property specific reduction for DES-PT-60b-UpperBounds-08
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[1]
// Phase 1: matrix 302 rows 356 cols
[2026-05-23 09:48:58] [INFO ] Computed 60 invariants in 7 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 10000 steps (487 resets) in 22 ms. (434 steps per ms)
BEST_FIRST walk for 10001 steps (100 resets) in 10 ms. (909 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-23 09:48:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 09:48:58] [INFO ] [Real]Absence check using 36 positive place invariants in 24 ms returned sat
[2026-05-23 09:48:58] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 34 ms returned sat
[2026-05-23 09:48:58] [INFO ] [Real]Absence check using state equation in 300 ms returned sat
[2026-05-23 09:48:58] [INFO ] Computed and/alt/rep : 288/500/288 causal constraints (skipped 11 transitions) in 33 ms.
[2026-05-23 09:48:59] [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 09:48:59] [INFO ] [Nat]Absence check using 36 positive place invariants in 21 ms returned sat
[2026-05-23 09:48:59] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 34 ms returned sat
[2026-05-23 09:48:59] [INFO ] [Nat]Absence check using state equation in 329 ms returned sat
[2026-05-23 09:48:59] [INFO ] Computed and/alt/rep : 288/500/288 causal constraints (skipped 11 transitions) in 33 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:49:02] [INFO ] Deduced a trap composed of 12 places in 281 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:49:02] [INFO ] Deduced a trap composed of 13 places in 271 ms of which 18 ms to minimize.
[2026-05-23 09:49:02] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 698 ms
[2026-05-23 09:49:02] [INFO ] Added : 210 causal constraints over 43 iterations in 3010 ms. Result :sat
Minimization took 402 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 356 places. Attempting structural reductions.
Drop transitions (Removing consumers from one bounded place p26) removed 1 transitions
Starting structural reductions in REACHABILITY mode, iteration 0 : 356/356 places, 301/301 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 355 transition count 300
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 354 transition count 299
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 3 place count 353 transition count 298
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 4 place count 352 transition count 297
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 5 place count 351 transition count 296
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 6 place count 350 transition count 295
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 7 place count 349 transition count 294
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 8 place count 348 transition count 293
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 9 place count 347 transition count 292
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 10 place count 346 transition count 291
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 11 place count 345 transition count 290
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 11 with 1 rules applied. Total rules applied 12 place count 344 transition count 289
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 12 with 1 rules applied. Total rules applied 13 place count 343 transition count 288
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 13 with 1 rules applied. Total rules applied 14 place count 342 transition count 287
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 14 with 1 rules applied. Total rules applied 15 place count 341 transition count 286
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 15 with 1 rules applied. Total rules applied 16 place count 340 transition count 285
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 16 with 1 rules applied. Total rules applied 17 place count 339 transition count 284
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 17 with 1 rules applied. Total rules applied 18 place count 338 transition count 283
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 18 with 1 rules applied. Total rules applied 19 place count 337 transition count 282
Applied a total of 19 rules in 31 ms. Remains 337 /356 variables (removed 19) and now considering 282/301 (removed 19) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 32 ms. Remains : 337/356 places, 282/301 transitions.
// Phase 1: matrix 282 rows 337 cols
[2026-05-23 09:49:03] [INFO ] Computed 61 invariants in 6 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (47584 resets) in 2616 ms. (382 steps per ms)
BEST_FIRST walk for 1000001 steps (8924 resets) in 1165 ms. (857 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-23 09:49:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 09:49:07] [INFO ] [Real]Absence check using 37 positive place invariants in 16 ms returned sat
[2026-05-23 09:49:07] [INFO ] [Real]Absence check using 37 positive and 24 generalized place invariants in 27 ms returned sat
[2026-05-23 09:49:08] [INFO ] [Real]Absence check using state equation in 254 ms returned sat
[2026-05-23 09:49:08] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 09:49:08] [INFO ] [Nat]Absence check using 37 positive place invariants in 21 ms returned sat
[2026-05-23 09:49:08] [INFO ] [Nat]Absence check using 37 positive and 24 generalized place invariants in 29 ms returned sat
[2026-05-23 09:49:08] [INFO ] [Nat]Absence check using state equation in 294 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:49:08] [INFO ] Deduced a trap composed of 5 places in 85 ms of which 5 ms to minimize.
[2026-05-23 09:49:08] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 133 ms
[2026-05-23 09:49:08] [INFO ] Computed and/alt/rep : 268/440/268 causal constraints (skipped 11 transitions) in 30 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:49:12] [INFO ] Deduced a trap composed of 15 places in 149 ms of which 13 ms to minimize.
[2026-05-23 09:49:12] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 296 ms
[2026-05-23 09:49:12] [INFO ] Added : 213 causal constraints over 43 iterations in 3758 ms. Result :sat
Minimization took 433 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 337 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 337/337 places, 282/282 transitions.
Applied a total of 0 rules in 11 ms. Remains 337 /337 variables (removed 0) and now considering 282/282 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 337/337 places, 282/282 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 337/337 places, 282/282 transitions.
Applied a total of 0 rules in 11 ms. Remains 337 /337 variables (removed 0) and now considering 282/282 (removed 0) transitions.
[2026-05-23 09:49:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 09:49:14] [INFO ] Implicit Places using invariants in 617 ms returned []
[2026-05-23 09:49:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 09:49:15] [INFO ] Implicit Places using invariants and state equation in 1061 ms returned []
Implicit Place search using SMT with State Equation took 1680 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 09:49:15] [INFO ] Redundant transitions in 1 ms returned []
Running 279 sub problems to find dead transitions.
[2026-05-23 09:49:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/333 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 279 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/333 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 279 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/333 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 279 unsolved
At refinement iteration 3 (OVERLAPS) 1/334 variables, 1/54 constraints. Problems are: Problem set: 0 solved, 279 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:49:29] [INFO ] Deduced a trap composed of 57 places in 108 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/334 variables, 1/55 constraints. Problems are: Problem set: 0 solved, 279 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/334 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 279 unsolved
At refinement iteration 6 (OVERLAPS) 2/336 variables, 7/62 constraints. Problems are: Problem set: 0 solved, 279 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/336 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 279 unsolved
Problem TDEAD3 is UNSAT
Problem TDEAD4 is UNSAT
Problem TDEAD5 is UNSAT
Problem TDEAD6 is UNSAT
Problem TDEAD7 is UNSAT
Problem TDEAD8 is UNSAT
Problem TDEAD9 is UNSAT
Problem TDEAD10 is UNSAT
Problem TDEAD11 is UNSAT
Problem TDEAD12 is UNSAT
Problem TDEAD13 is UNSAT
Problem TDEAD14 is UNSAT
Problem TDEAD15 is UNSAT
Problem TDEAD16 is UNSAT
Problem TDEAD17 is UNSAT
Problem TDEAD18 is UNSAT
Problem TDEAD212 is UNSAT
Problem TDEAD213 is UNSAT
Problem TDEAD214 is UNSAT
Problem TDEAD215 is UNSAT
Problem TDEAD216 is UNSAT
Problem TDEAD217 is UNSAT
Problem TDEAD218 is UNSAT
Problem TDEAD219 is UNSAT
Problem TDEAD220 is UNSAT
Problem TDEAD221 is UNSAT
Problem TDEAD222 is UNSAT
Problem TDEAD223 is UNSAT
Problem TDEAD224 is UNSAT
Problem TDEAD225 is UNSAT
Problem TDEAD226 is UNSAT
Problem TDEAD227 is UNSAT
Problem TDEAD228 is UNSAT
Problem TDEAD229 is UNSAT
At refinement iteration 8 (OVERLAPS) 282/618 variables, 336/398 constraints. Problems are: Problem set: 34 solved, 245 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:49:42] [INFO ] Deduced a trap composed of 14 places in 143 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:49:44] [INFO ] Deduced a trap composed of 53 places in 90 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:49:45] [INFO ] Deduced a trap composed of 17 places in 146 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:49:45] [INFO ] Deduced a trap composed of 5 places in 68 ms of which 5 ms to minimize.
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
(s1 0.0)
(s2 0.0)
(s3 0.0)
(s4 0.0)
(s5 0.0)
(s6 0.0)
(s7 0.0)
(s8 0.0)
(s9 0.0)
(s10 0.0)
(s11 0.0)
(s12 0.0)
(s13 0.0)
(s14 0.0)
(s15 0.0)
(s16 0.0)
(s17 0.0)
(s18 0.0)
(s19 0.0)
(s20 0.0)
(s21 0.0)
(s22 0.0)
(s23 0.0)
(s24 0.0)
(s25 0.0)
(s26 0.0)
(s27 0.0)
(s28 0.0)
(s29 0.0)
(s30 0.0)
(s31 0.0)
(s32 0.0)
(s33 0.0)
(s34 0.0)
(s35 0.0)
(s36 0.0)
(s37 0.0)
(s38 0.0)
(s39 0.0)
(s40 0.0)
(s41 0.0)
(s42 0.0)
(s43 0.0)
(s44 0.0)
(s45 0.0)
(s46 0.0)
(s47 0.0)
(s48 0.0)
(s49 0.0)
(s50 0.0)
(s51 0.0)
(s52 0.0)
(s53 0.0)
(s54 0.0)
(s55 0.0)
(s56 0.0)
(s57 0.0)
(s58 0.0)
(s59 0.0)
(s60 0.0)
(s61 0.0)
(s62 0.0)
(s63 0.0)
(s64 0.0)
(s65 0.0)
(s66 0.0)
(s67 0.0)
(s68 0.0)
(s69 0.0)
(s70 0.0)
(s71 0.0)
(s72 0.0)
(s73 0.0)
(s74 0.0)
(s75 0.0)
(s76 0.0)
(s77 0.0)
(s78 0.0)
(s79 0.0)
(s80 0.0)
(s81 0.0)
(s82 0.0)
(s83 0.0)
(s84 0.0)
(s85 0.0)
(s86 0.0)
(s87 0.0)
(s88 0.0)
(s89 0.0)
(s90 0.0)
(s91 0.0)
(s92 0.0)
(s93 0.0)
(s94 0.0)
(s95 0.0)
(s96 0.0)
(s97 0.0)
(s98 0.0)
(s99 1.0)
(s101 1.0)
(s102 1.0)
(s103 1.0)
(s104 1.0)
(s105 1.0)
(s106 1.0)
(s107 1.0)
(s108 1.0)
(s109 1.0)
(s110 1.0)
(s111 1.0)
(s112 1.0)
(s113 1.0)
(s114 1.0)
(s115 1.0)
(s116 1.0)
(s117 1.0)
(s118 1.0)
(s119 1.0)
(s120 1.0)
(s121 1.0)
(s122 1.0)
(s123 1.0)
(s124 1.0)
(s125 1.0)
(s126 1.0)
(s127 1.0)
(s128 1.0)
(s129 1.0)
(s130 1.0)
(s131 1.0)
(s132 1.0)
(s133 1.0)
(s134 1.0)
(s135 1.0)
(s136 1.0)
(s137 1.0)
(s138 1.0)
(s139 1.0)
(s140 1.0)
(s141 1.0)
(s142 1.0)
(s143 1.0)
(s144 1.0)
(s145 1.0)
(s146 1.0)
(s147 1.0)
(s148 1.0)
(s149 1.0)
(s150 1.0)
(s151 1.0)
(s152 1.0)
(s153 1.0)
(s154 1.0)
(s155 1.0)
(s156 1.0)
(s157 1.0)
(s158 1.0)
(s159 1.0)
(s160 0.0)
(s161 0.0)
(s162 0.0)
(s163 0.0)
(s164 0.0)
(s165 0.0)
(s166 0.0)
(s167 0.0)
(s168 0.0)
(s169 0.0)
(s170 0.0)
(s171 0.0)
(s172 0.0)
(s173 0.0)
(s174 0.0)
(s175 0.0)
(s176 0.0)
(s177 0.0)
(s178 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 618/619 variables, and 402 constraints, problems are : Problem set: 34 solved, 245 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 336/337 constraints, PredecessorRefiner: 279/279 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 34 solved, 245 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/299 variables, 36/36 constraints. Problems are: Problem set: 34 solved, 245 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/299 variables, 17/53 constraints. Problems are: Problem set: 34 solved, 245 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/299 variables, 2/55 constraints. Problems are: Problem set: 34 solved, 245 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/299 variables, 0/55 constraints. Problems are: Problem set: 34 solved, 245 unsolved
At refinement iteration 4 (OVERLAPS) 1/300 variables, 1/56 constraints. Problems are: Problem set: 34 solved, 245 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/300 variables, 2/58 constraints. Problems are: Problem set: 34 solved, 245 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/300 variables, 0/58 constraints. Problems are: Problem set: 34 solved, 245 unsolved
At refinement iteration 7 (OVERLAPS) 36/336 variables, 7/65 constraints. Problems are: Problem set: 34 solved, 245 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/336 variables, 1/66 constraints. Problems are: Problem set: 34 solved, 245 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:49:54] [INFO ] Deduced a trap composed of 10 places in 223 ms of which 12 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/336 variables, 1/67 constraints. Problems are: Problem set: 34 solved, 245 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/336 variables, 0/67 constraints. Problems are: Problem set: 34 solved, 245 unsolved
At refinement iteration 11 (OVERLAPS) 282/618 variables, 336/403 constraints. Problems are: Problem set: 34 solved, 245 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/618 variables, 245/648 constraints. Problems are: Problem set: 34 solved, 245 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 618/619 variables, and 648 constraints, problems are : Problem set: 34 solved, 245 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 336/337 constraints, PredecessorRefiner: 245/279 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60185ms problems are : Problem set: 34 solved, 245 unsolved
Search for dead transitions found 34 dead transitions in 60187ms
Found 34 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 34 transitions
Dead transitions reduction (with SMT) removed 34 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 337/337 places, 248/282 transitions.
Graph (complete) has 1032 edges and 337 vertex of which 303 are kept as prefixes of interest. Removing 34 places using SCC suffix rule.1 ms
Discarding 34 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 10 ms. Remains 303 /337 variables (removed 34) and now considering 248/248 (removed 0) transitions.
// Phase 1: matrix 248 rows 303 cols
[2026-05-23 09:50:15] [INFO ] Computed 61 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 09:50:16] [INFO ] Implicit Places using invariants in 564 ms returned []
[2026-05-23 09:50:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 09:50:17] [INFO ] Implicit Places using invariants and state equation in 827 ms returned []
Implicit Place search using SMT with State Equation took 1393 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 303/337 places, 248/282 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 63290 ms. Remains : 303/337 places, 248/282 transitions.
[2026-05-23 09:50:17] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (47686 resets) in 2412 ms. (414 steps per ms)
BEST_FIRST walk for 1000001 steps (9174 resets) in 911 ms. (1096 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-23 09:50:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 09:50:20] [INFO ] [Real]Absence check using 37 positive place invariants in 13 ms returned sat
[2026-05-23 09:50:20] [INFO ] [Real]Absence check using 37 positive and 24 generalized place invariants in 16 ms returned sat
[2026-05-23 09:50:20] [INFO ] [Real]Absence check using state equation in 151 ms returned sat
[2026-05-23 09:50:20] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 09:50:20] [INFO ] [Nat]Absence check using 37 positive place invariants in 22 ms returned sat
[2026-05-23 09:50:20] [INFO ] [Nat]Absence check using 37 positive and 24 generalized place invariants in 26 ms returned sat
[2026-05-23 09:50:21] [INFO ] [Nat]Absence check using state equation in 227 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:50:21] [INFO ] Deduced a trap composed of 5 places in 68 ms of which 6 ms to minimize.
[2026-05-23 09:50:21] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 115 ms
[2026-05-23 09:50:21] [INFO ] Computed and/alt/rep : 234/406/234 causal constraints (skipped 11 transitions) in 25 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:50:23] [INFO ] Deduced a trap composed of 13 places in 145 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:50:23] [INFO ] Deduced a trap composed of 15 places in 120 ms of which 10 ms to minimize.
[2026-05-23 09:50:23] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 383 ms
[2026-05-23 09:50:23] [INFO ] Added : 177 causal constraints over 36 iterations in 2098 ms. Result :sat
Minimization took 300 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 303 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 303/303 places, 248/248 transitions.
Applied a total of 0 rules in 6 ms. Remains 303 /303 variables (removed 0) and now considering 248/248 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 303/303 places, 248/248 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 303/303 places, 248/248 transitions.
Applied a total of 0 rules in 6 ms. Remains 303 /303 variables (removed 0) and now considering 248/248 (removed 0) transitions.
[2026-05-23 09:50:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 09:50:25] [INFO ] Implicit Places using invariants in 406 ms returned []
[2026-05-23 09:50:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 09:50:25] [INFO ] Implicit Places using invariants and state equation in 896 ms returned []
Implicit Place search using SMT with State Equation took 1305 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 09:50:25] [INFO ] Redundant transitions in 1 ms returned []
Running 245 sub problems to find dead transitions.
[2026-05-23 09:50:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/299 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 245 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/299 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 245 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/299 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 245 unsolved
At refinement iteration 3 (OVERLAPS) 1/300 variables, 1/54 constraints. Problems are: Problem set: 0 solved, 245 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:50:37] [INFO ] Deduced a trap composed of 57 places in 109 ms of which 6 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/300 variables, 1/55 constraints. Problems are: Problem set: 0 solved, 245 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/300 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 245 unsolved
At refinement iteration 6 (OVERLAPS) 2/302 variables, 7/62 constraints. Problems are: Problem set: 0 solved, 245 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/302 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 245 unsolved
At refinement iteration 8 (OVERLAPS) 248/550 variables, 302/364 constraints. Problems are: Problem set: 0 solved, 245 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:50:47] [INFO ] Deduced a trap composed of 15 places in 115 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:50:51] [INFO ] Deduced a trap composed of 5 places in 100 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:50:51] [INFO ] Deduced a trap composed of 53 places in 102 ms of which 12 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/550 variables, 3/367 constraints. Problems are: Problem set: 0 solved, 245 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 550/551 variables, and 367 constraints, problems are : Problem set: 0 solved, 245 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 302/303 constraints, PredecessorRefiner: 245/245 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 245 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/299 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 245 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/299 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 245 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/299 variables, 1/54 constraints. Problems are: Problem set: 0 solved, 245 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/299 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 245 unsolved
At refinement iteration 4 (OVERLAPS) 1/300 variables, 1/55 constraints. Problems are: Problem set: 0 solved, 245 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/300 variables, 2/57 constraints. Problems are: Problem set: 0 solved, 245 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/300 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 245 unsolved
At refinement iteration 7 (OVERLAPS) 2/302 variables, 7/64 constraints. Problems are: Problem set: 0 solved, 245 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/302 variables, 1/65 constraints. Problems are: Problem set: 0 solved, 245 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:51:04] [INFO ] Deduced a trap composed of 13 places in 138 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:51:04] [INFO ] Deduced a trap composed of 10 places in 136 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:51:04] [INFO ] Deduced a trap composed of 60 places in 105 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:51:04] [INFO ] Deduced a trap composed of 13 places in 146 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:51:04] [INFO ] Deduced a trap composed of 15 places in 132 ms of which 12 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/302 variables, 5/70 constraints. Problems are: Problem set: 0 solved, 245 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/302 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 245 unsolved
At refinement iteration 11 (OVERLAPS) 248/550 variables, 302/372 constraints. Problems are: Problem set: 0 solved, 245 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/550 variables, 245/617 constraints. Problems are: Problem set: 0 solved, 245 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 550/551 variables, and 617 constraints, problems are : Problem set: 0 solved, 245 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 302/303 constraints, PredecessorRefiner: 245/245 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60144ms problems are : Problem set: 0 solved, 245 unsolved
Search for dead transitions found 0 dead transitions in 60146ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61466 ms. Remains : 303/303 places, 248/248 transitions.
[2026-05-23 09:51:26] [INFO ] Flatten gal took : 10 ms
[2026-05-23 09:51:26] [INFO ] Flatten gal took : 9 ms
[2026-05-23 09:51:26] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1589044135965250463.gal : 2 ms
[2026-05-23 09:51:26] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17389164879744471471.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/ReachabilityCardinality1589044135965250463.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17389164879744471471.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/ReachabilityCardinality17389164879744471471.prop.
RANDOM walk for 40000 steps (1853 resets) in 312 ms. (127 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :2 after 4
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :4 after 36
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :36 after 40
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :40 after 84
BEST_FIRST walk for 40003 steps (343 resets) in 102 ms. (388 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :84 after 1180
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :1180 after 7492
BEST_FIRST walk for 40004 steps (365 resets) in 77 ms. (512 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :7492 after 44648
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :44648 after 190924
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :190924 after 555960
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :555960 after 2.3195e+08
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :1.77546e+09 after 2.66571e+09
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :2.78051e+09 after 2.85361e+09
Interrupted probabilistic random walk after 830059 steps, run timeout after 3001 ms. (steps per millisecond=276 ) properties seen :0 out of 2
Probabilistic random walk after 830059 steps, saw 117259 distinct states, run finished after 3001 ms. (steps per millisecond=276 ) properties seen :0
[2026-05-23 09:51:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 39/40 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 122/162 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/162 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 37/199 variables, 24/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/199 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 25/224 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/224 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 7/231 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/231 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 184/415 variables, 231/287 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/415 variables, 0/287 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 13/428 variables, 8/295 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/428 variables, 3/298 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/428 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 2/430 variables, 1/299 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/430 variables, 2/301 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/430 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 62/492 variables, 3/304 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/492 variables, 1/305 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/492 variables, 0/305 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 59/551 variables, 59/364 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/551 variables, 0/364 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 24 (OVERLAPS) 0/551 variables, 0/364 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 551/551 variables, and 364 constraints, problems are : Problem set: 0 solved, 2 unsolved in 627 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 303/303 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 39/40 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 122/162 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/162 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 37/199 variables, 24/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/199 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 25/224 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/224 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 7/231 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/231 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 184/415 variables, 231/287 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/415 variables, 2/289 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 09:51:30] [INFO ] Deduced a trap composed of 18 places in 102 ms of which 13 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/415 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/415 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 13/428 variables, 8/298 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/428 variables, 3/301 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/428 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (OVERLAPS) 2/430 variables, 1/302 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/430 variables, 2/304 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/430 variables, 0/304 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 62/492 variables, 3/307 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/492 variables, 1/308 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/492 variables, 0/308 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 24 (OVERLAPS) 59/551 variables, 59/367 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/551 variables, 0/367 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 26 (OVERLAPS) 0/551 variables, 0/367 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 551/551 variables, and 367 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1071 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 303/303 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1706ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :2.6222e+10 after 2.65373e+10
Parikh walk visited 0 properties in 2101 ms.
Support contains 1 out of 303 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 303/303 places, 248/248 transitions.
Applied a total of 0 rules in 6 ms. Remains 303 /303 variables (removed 0) and now considering 248/248 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 303/303 places, 248/248 transitions.
RANDOM walk for 40000 steps (1931 resets) in 147 ms. (270 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (382 resets) in 62 ms. (634 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (352 resets) in 68 ms. (579 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :9.91794e+10 after 1.01101e+11
Interrupted probabilistic random walk after 838573 steps, run timeout after 3001 ms. (steps per millisecond=279 ) properties seen :0 out of 2
Probabilistic random walk after 838573 steps, saw 118489 distinct states, run finished after 3001 ms. (steps per millisecond=279 ) properties seen :0
[2026-05-23 09:51:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 39/40 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 122/162 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/162 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 37/199 variables, 24/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/199 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 25/224 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/224 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 7/231 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/231 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 184/415 variables, 231/287 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/415 variables, 0/287 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 13/428 variables, 8/295 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/428 variables, 3/298 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/428 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 2/430 variables, 1/299 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/430 variables, 2/301 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/430 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 62/492 variables, 3/304 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/492 variables, 1/305 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/492 variables, 0/305 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 59/551 variables, 59/364 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/551 variables, 0/364 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 24 (OVERLAPS) 0/551 variables, 0/364 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 551/551 variables, and 364 constraints, problems are : Problem set: 0 solved, 2 unsolved in 559 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 303/303 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 39/40 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 122/162 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/162 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 37/199 variables, 24/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/199 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 25/224 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/224 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 7/231 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/231 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 184/415 variables, 231/287 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/415 variables, 2/289 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 09:51:37] [INFO ] Deduced a trap composed of 18 places in 102 ms of which 15 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/415 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/415 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 13/428 variables, 8/298 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/428 variables, 3/301 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/428 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (OVERLAPS) 2/430 variables, 1/302 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/430 variables, 2/304 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/430 variables, 0/304 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 62/492 variables, 3/307 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/492 variables, 1/308 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/492 variables, 0/308 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 24 (OVERLAPS) 59/551 variables, 59/367 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/551 variables, 0/367 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 26 (OVERLAPS) 0/551 variables, 0/367 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 551/551 variables, and 367 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1178 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 303/303 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1742ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1983 ms.
Support contains 1 out of 303 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 303/303 places, 248/248 transitions.
Applied a total of 0 rules in 5 ms. Remains 303 /303 variables (removed 0) and now considering 248/248 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 303/303 places, 248/248 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 303/303 places, 248/248 transitions.
Applied a total of 0 rules in 5 ms. Remains 303 /303 variables (removed 0) and now considering 248/248 (removed 0) transitions.
[2026-05-23 09:51:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 09:51:40] [INFO ] Implicit Places using invariants in 418 ms returned []
[2026-05-23 09:51:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 09:51:41] [INFO ] Implicit Places using invariants and state equation in 761 ms returned []
Implicit Place search using SMT with State Equation took 1180 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 09:51:41] [INFO ] Redundant transitions in 1 ms returned []
Running 245 sub problems to find dead transitions.
[2026-05-23 09:51:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SDD proceeding with computation,2 properties remain. new max is 131072
SDD size :3.88918e+11 after 4.54038e+11
At refinement iteration 0 (INCLUDED_ONLY) 0/299 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 245 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/299 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 245 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/299 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 245 unsolved
At refinement iteration 3 (OVERLAPS) 1/300 variables, 1/54 constraints. Problems are: Problem set: 0 solved, 245 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:51:50] [INFO ] Deduced a trap composed of 57 places in 70 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/300 variables, 1/55 constraints. Problems are: Problem set: 0 solved, 245 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/300 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 245 unsolved
At refinement iteration 6 (OVERLAPS) 2/302 variables, 7/62 constraints. Problems are: Problem set: 0 solved, 245 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/302 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 245 unsolved
SDD proceeding with computation,2 properties remain. new max is 262144
SDD size :9.81219e+11 after 1.08269e+12
At refinement iteration 8 (OVERLAPS) 248/550 variables, 302/364 constraints. Problems are: Problem set: 0 solved, 245 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:51:59] [INFO ] Deduced a trap composed of 15 places in 115 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:52:02] [INFO ] Deduced a trap composed of 5 places in 94 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:52:02] [INFO ] Deduced a trap composed of 53 places in 97 ms of which 12 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/550 variables, 3/367 constraints. Problems are: Problem set: 0 solved, 245 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/550 variables, 0/367 constraints. Problems are: Problem set: 0 solved, 245 unsolved
At refinement iteration 11 (OVERLAPS) 1/551 variables, 1/368 constraints. Problems are: Problem set: 0 solved, 245 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:52:09] [INFO ] Deduced a trap composed of 13 places in 147 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:52:10] [INFO ] Deduced a trap composed of 15 places in 200 ms of which 10 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 551/551 variables, and 370 constraints, problems are : Problem set: 0 solved, 245 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 303/303 constraints, PredecessorRefiner: 245/245 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 245 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/299 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 245 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/299 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 245 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/299 variables, 3/56 constraints. Problems are: Problem set: 0 solved, 245 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/299 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 245 unsolved
At refinement iteration 4 (OVERLAPS) 1/300 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 245 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/300 variables, 2/59 constraints. Problems are: Problem set: 0 solved, 245 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/300 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 245 unsolved
At refinement iteration 7 (OVERLAPS) 2/302 variables, 7/66 constraints. Problems are: Problem set: 0 solved, 245 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/302 variables, 1/67 constraints. Problems are: Problem set: 0 solved, 245 unsolved
Detected timeout of ITS tools.
[2026-05-23 09:52:16] [INFO ] Flatten gal took : 9 ms
[2026-05-23 09:52:16] [INFO ] Applying decomposition
[2026-05-23 09:52:16] [INFO ] Flatten gal took : 9 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph14382411523919447977.txt' '-o' '/tmp/graph14382411523919447977.bin' '-w' '/tmp/graph14382411523919447977.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph14382411523919447977.bin' '-l' '-1' '-v' '-w' '/tmp/graph14382411523919447977.weights' '-q' '0' '-e' '0.001'
[2026-05-23 09:52:16] [INFO ] Decomposing Gal with order
[2026-05-23 09:52:16] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 09:52:16] [INFO ] Removed a total of 47 redundant transitions.
[2026-05-23 09:52:16] [INFO ] Flatten gal took : 27 ms
[2026-05-23 09:52:16] [INFO ] Fuse similar labels procedure discarded/fused a total of 17 labels/synchronizations in 5 ms.
[2026-05-23 09:52:16] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality18080032501567515736.gal : 4 ms
[2026-05-23 09:52:16] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9618304492421871125.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/ReachabilityCardinality18080032501567515736.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9618304492421871125.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/ReachabilityCardinality9618304492421871125.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :2 after 386
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :386 after 4132
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :4132 after 15848
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :50736 after 1.56658e+09
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :1.56658e+09 after 3.08876e+09
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :3.08876e+09 after 4.61094e+09
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :4.61094e+09 after 6.742e+09
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :6.742e+09 after 9.48193e+09
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :9.48193e+09 after 1.46573e+10
At refinement iteration 9 (INCLUDED_ONLY) 0/302 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 245 unsolved
At refinement iteration 10 (OVERLAPS) 248/550 variables, 302/369 constraints. Problems are: Problem set: 0 solved, 245 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/550 variables, 245/614 constraints. Problems are: Problem set: 0 solved, 245 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 550/551 variables, and 614 constraints, problems are : Problem set: 0 solved, 245 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 302/303 constraints, PredecessorRefiner: 245/245 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60111ms problems are : Problem set: 0 solved, 245 unsolved
Search for dead transitions found 0 dead transitions in 60112ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61304 ms. Remains : 303/303 places, 248/248 transitions.
Attempting over-approximation, by ignoring read arcs.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 303 transition count 248
Applied a total of 1 rules in 16 ms. Remains 303 /303 variables (removed 0) and now considering 248/248 (removed 0) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 248 rows 303 cols
[2026-05-23 09:52:41] [INFO ] Computed 61 invariants in 3 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-23 09:52:41] [INFO ] [Real]Absence check using 37 positive place invariants in 12 ms returned sat
[2026-05-23 09:52:41] [INFO ] [Real]Absence check using 37 positive and 24 generalized place invariants in 20 ms returned sat
[2026-05-23 09:52:41] [INFO ] After 145ms 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 09:52:41] [INFO ] [Nat]Absence check using 37 positive place invariants in 17 ms returned sat
[2026-05-23 09:52:41] [INFO ] [Nat]Absence check using 37 positive and 24 generalized place invariants in 31 ms returned sat
[2026-05-23 09:52:41] [INFO ] After 323ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2026-05-23 09:52:41] [INFO ] After 398ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2026-05-23 09:52:42] [INFO ] After 623ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2026-05-23 09:52:42] [INFO ] Flatten gal took : 17 ms
[2026-05-23 09:52:42] [INFO ] Flatten gal took : 16 ms
[2026-05-23 09:52:42] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10838685246999442918.gal : 3 ms
[2026-05-23 09:52:42] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4965866978913882679.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/ReachabilityCardinality10838685246999442918.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4965866978913882679.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/ReachabilityCardinality4965866978913882679.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :2 after 4
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :4 after 32
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :32 after 34
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :34 after 48
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :48 after 1122
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :1122 after 2428
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :2428 after 42632
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :42632 after 190328
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :190328 after 534216
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :534216 after 2.12489e+08
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :1.77546e+09 after 2.66569e+09
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :2.78051e+09 after 2.85362e+09
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :2.6222e+10 after 2.64667e+10
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :9.91794e+10 after 1.011e+11
Detected timeout of ITS tools.
[2026-05-23 09:52:57] [INFO ] Flatten gal took : 9 ms
[2026-05-23 09:52:57] [INFO ] Applying decomposition
[2026-05-23 09:52:57] [INFO ] Flatten gal took : 9 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph14232352663806491876.txt' '-o' '/tmp/graph14232352663806491876.bin' '-w' '/tmp/graph14232352663806491876.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph14232352663806491876.bin' '-l' '-1' '-v' '-w' '/tmp/graph14232352663806491876.weights' '-q' '0' '-e' '0.001'
[2026-05-23 09:52:57] [INFO ] Decomposing Gal with order
[2026-05-23 09:52:57] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 09:52:57] [INFO ] Removed a total of 70 redundant transitions.
[2026-05-23 09:52:57] [INFO ] Flatten gal took : 18 ms
[2026-05-23 09:52:57] [INFO ] Fuse similar labels procedure discarded/fused a total of 34 labels/synchronizations in 2 ms.
[2026-05-23 09:52:57] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1195335623837678270.gal : 2 ms
[2026-05-23 09:52:57] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7812235965819793081.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/ReachabilityCardinality1195335623837678270.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7812235965819793081.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality7812235965819793081.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :2 after 4
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :4 after 580
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :580 after 34360
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :50736 after 3.73524e+09
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :3.73524e+09 after 7.93136e+09
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :7.93136e+09 after 1.21275e+10
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :1.21275e+10 after 1.94707e+10
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1.94707e+10 after 3.10101e+10
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :3.10101e+10 after 5.1998e+10
Detected timeout of ITS tools.
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 31037 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[1]
Ending property specific reduction for DES-PT-60b-UpperBounds-08 in 253873 ms.
Starting property specific reduction for DES-PT-60b-UpperBounds-09
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[1]
// Phase 1: matrix 302 rows 356 cols
[2026-05-23 09:53:12] [INFO ] Computed 60 invariants in 7 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 10000 steps (484 resets) in 23 ms. (416 steps per ms)
BEST_FIRST walk for 10000 steps (86 resets) in 10 ms. (909 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-23 09:53:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 09:53:12] [INFO ] [Real]Absence check using 36 positive place invariants in 18 ms returned sat
[2026-05-23 09:53:12] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 34 ms returned sat
[2026-05-23 09:53:12] [INFO ] [Real]Absence check using state equation in 283 ms returned sat
[2026-05-23 09:53:12] [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 09:53:12] [INFO ] [Nat]Absence check using 36 positive place invariants in 20 ms returned sat
[2026-05-23 09:53:12] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 36 ms returned sat
[2026-05-23 09:53:13] [INFO ] [Nat]Absence check using state equation in 313 ms returned sat
[2026-05-23 09:53:13] [INFO ] Computed and/alt/rep : 288/500/288 causal constraints (skipped 11 transitions) in 32 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:53:17] [INFO ] Deduced a trap composed of 15 places in 255 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:53:17] [INFO ] Deduced a trap composed of 17 places in 182 ms of which 20 ms to minimize.
[2026-05-23 09:53:17] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 0
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1131)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:878)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:946)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 356 places. Attempting structural reductions.
Drop transitions (Removing consumers from one bounded place p225) removed 1 transitions
Starting structural reductions in REACHABILITY mode, iteration 0 : 356/356 places, 301/301 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 355 transition count 300
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 354 transition count 299
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 3 place count 353 transition count 298
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 4 place count 352 transition count 297
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 5 place count 351 transition count 296
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 6 place count 350 transition count 295
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 7 place count 349 transition count 294
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 8 place count 348 transition count 293
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 9 place count 347 transition count 292
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 10 place count 346 transition count 291
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 11 place count 345 transition count 290
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 11 with 1 rules applied. Total rules applied 12 place count 344 transition count 289
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 12 with 1 rules applied. Total rules applied 13 place count 343 transition count 288
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 13 with 1 rules applied. Total rules applied 14 place count 342 transition count 287
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 14 with 1 rules applied. Total rules applied 15 place count 341 transition count 286
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 15 with 1 rules applied. Total rules applied 16 place count 340 transition count 285
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 16 with 1 rules applied. Total rules applied 17 place count 339 transition count 284
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 17 with 1 rules applied. Total rules applied 18 place count 338 transition count 283
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 18 with 1 rules applied. Total rules applied 19 place count 337 transition count 282
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 19 with 1 rules applied. Total rules applied 20 place count 336 transition count 281
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 20 with 1 rules applied. Total rules applied 21 place count 335 transition count 280
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 21 with 1 rules applied. Total rules applied 22 place count 334 transition count 279
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 22 with 1 rules applied. Total rules applied 23 place count 333 transition count 278
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 23 with 1 rules applied. Total rules applied 24 place count 332 transition count 277
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 24 with 1 rules applied. Total rules applied 25 place count 331 transition count 276
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 25 with 1 rules applied. Total rules applied 26 place count 330 transition count 275
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 26 with 1 rules applied. Total rules applied 27 place count 329 transition count 274
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 27 with 1 rules applied. Total rules applied 28 place count 328 transition count 273
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 28 with 1 rules applied. Total rules applied 29 place count 327 transition count 272
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 29 with 1 rules applied. Total rules applied 30 place count 326 transition count 271
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 30 with 1 rules applied. Total rules applied 31 place count 325 transition count 270
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 31 with 1 rules applied. Total rules applied 32 place count 324 transition count 269
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 32 with 1 rules applied. Total rules applied 33 place count 323 transition count 268
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 33 with 1 rules applied. Total rules applied 34 place count 322 transition count 267
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 34 with 1 rules applied. Total rules applied 35 place count 321 transition count 266
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 35 with 1 rules applied. Total rules applied 36 place count 320 transition count 265
Applied a total of 36 rules in 68 ms. Remains 320 /356 variables (removed 36) and now considering 265/301 (removed 36) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 68 ms. Remains : 320/356 places, 265/301 transitions.
// Phase 1: matrix 265 rows 320 cols
[2026-05-23 09:53:17] [INFO ] Computed 61 invariants in 7 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (47743 resets) in 2340 ms. (427 steps per ms)
BEST_FIRST walk for 1000001 steps (9074 resets) in 914 ms. (1092 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-23 09:53:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 09:53:21] [INFO ] [Real]Absence check using 36 positive place invariants in 11 ms returned sat
[2026-05-23 09:53:21] [INFO ] [Real]Absence check using 36 positive and 25 generalized place invariants in 23 ms returned sat
[2026-05-23 09:53:21] [INFO ] [Real]Absence check using state equation in 162 ms returned sat
[2026-05-23 09:53:21] [INFO ] Computed and/alt/rep : 251/463/251 causal constraints (skipped 11 transitions) in 17 ms.
[2026-05-23 09:53:21] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 09:53:21] [INFO ] [Nat]Absence check using 36 positive place invariants in 20 ms returned sat
[2026-05-23 09:53:21] [INFO ] [Nat]Absence check using 36 positive and 25 generalized place invariants in 36 ms returned sat
[2026-05-23 09:53:21] [INFO ] [Nat]Absence check using state equation in 262 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:53:22] [INFO ] Deduced a trap composed of 13 places in 259 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:53:22] [INFO ] Deduced a trap composed of 15 places in 258 ms of which 13 ms to minimize.
[2026-05-23 09:53:22] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 590 ms
[2026-05-23 09:53:22] [INFO ] Computed and/alt/rep : 251/463/251 causal constraints (skipped 11 transitions) in 25 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:53:24] [INFO ] Deduced a trap composed of 18 places in 146 ms of which 11 ms to minimize.
[2026-05-23 09:53:24] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 234 ms
[2026-05-23 09:53:24] [INFO ] Added : 134 causal constraints over 27 iterations in 1667 ms. Result :sat
Minimization took 356 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 320 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 320/320 places, 265/265 transitions.
Applied a total of 0 rules in 9 ms. Remains 320 /320 variables (removed 0) and now considering 265/265 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 320/320 places, 265/265 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 320/320 places, 265/265 transitions.
Applied a total of 0 rules in 9 ms. Remains 320 /320 variables (removed 0) and now considering 265/265 (removed 0) transitions.
[2026-05-23 09:53:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 09:53:25] [INFO ] Implicit Places using invariants in 578 ms returned []
[2026-05-23 09:53:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 09:53:26] [INFO ] Implicit Places using invariants and state equation in 1144 ms returned []
Implicit Place search using SMT with State Equation took 1724 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 09:53:26] [INFO ] Redundant transitions in 1 ms returned []
Running 262 sub problems to find dead transitions.
[2026-05-23 09:53:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/316 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/316 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/316 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 3 (OVERLAPS) 2/318 variables, 1/53 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/318 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 5 (OVERLAPS) 1/319 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 262 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/319 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 262 unsolved
Problem TDEAD112 is UNSAT
Problem TDEAD113 is UNSAT
Problem TDEAD114 is UNSAT
Problem TDEAD115 is UNSAT
Problem TDEAD116 is UNSAT
Problem TDEAD117 is UNSAT
Problem TDEAD118 is UNSAT
Problem TDEAD119 is UNSAT
Problem TDEAD120 is UNSAT
Problem TDEAD121 is UNSAT
Problem TDEAD122 is UNSAT
Problem TDEAD123 is UNSAT
Problem TDEAD124 is UNSAT
Problem TDEAD125 is UNSAT
Problem TDEAD126 is UNSAT
Problem TDEAD127 is UNSAT
Problem TDEAD128 is UNSAT
Problem TDEAD129 is UNSAT
Problem TDEAD130 is UNSAT
Problem TDEAD131 is UNSAT
Problem TDEAD132 is UNSAT
Problem TDEAD133 is UNSAT
Problem TDEAD134 is UNSAT
Problem TDEAD135 is UNSAT
Problem TDEAD136 is UNSAT
Problem TDEAD137 is UNSAT
Problem TDEAD138 is UNSAT
Problem TDEAD139 is UNSAT
Problem TDEAD140 is UNSAT
Problem TDEAD141 is UNSAT
Problem TDEAD142 is UNSAT
Problem TDEAD170 is UNSAT
Problem TDEAD195 is UNSAT
Problem TDEAD196 is UNSAT
Problem TDEAD197 is UNSAT
Problem TDEAD198 is UNSAT
Problem TDEAD199 is UNSAT
Problem TDEAD200 is UNSAT
Problem TDEAD201 is UNSAT
Problem TDEAD202 is UNSAT
Problem TDEAD203 is UNSAT
Problem TDEAD204 is UNSAT
Problem TDEAD205 is UNSAT
Problem TDEAD206 is UNSAT
Problem TDEAD207 is UNSAT
Problem TDEAD208 is UNSAT
Problem TDEAD209 is UNSAT
Problem TDEAD210 is UNSAT
Problem TDEAD211 is UNSAT
Problem TDEAD212 is UNSAT
Problem TDEAD213 is UNSAT
Problem TDEAD214 is UNSAT
Problem TDEAD215 is UNSAT
Problem TDEAD216 is UNSAT
Problem TDEAD217 is UNSAT
Problem TDEAD218 is UNSAT
Problem TDEAD219 is UNSAT
Problem TDEAD220 is UNSAT
Problem TDEAD221 is UNSAT
Problem TDEAD222 is UNSAT
Problem TDEAD223 is UNSAT
Problem TDEAD224 is UNSAT
Problem TDEAD225 is UNSAT
At refinement iteration 7 (OVERLAPS) 265/584 variables, 319/380 constraints. Problems are: Problem set: 63 solved, 199 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:53:54] [INFO ] Deduced a trap composed of 5 places in 64 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:53:56] [INFO ] Deduced a trap composed of 15 places in 134 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:53:56] [INFO ] Deduced a trap composed of 17 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 09:53:56] [INFO ] Deduced a trap composed of 18 places in 166 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:53:56] [INFO ] Deduced a trap composed of 12 places in 148 ms of which 10 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 584/585 variables, and 385 constraints, problems are : Problem set: 63 solved, 199 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 319/320 constraints, PredecessorRefiner: 262/262 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 63 solved, 199 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/253 variables, 35/35 constraints. Problems are: Problem set: 63 solved, 199 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/253 variables, 17/52 constraints. Problems are: Problem set: 63 solved, 199 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/253 variables, 4/56 constraints. Problems are: Problem set: 63 solved, 199 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/253 variables, 0/56 constraints. Problems are: Problem set: 63 solved, 199 unsolved
At refinement iteration 4 (OVERLAPS) 2/255 variables, 1/57 constraints. Problems are: Problem set: 63 solved, 199 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/255 variables, 1/58 constraints. Problems are: Problem set: 63 solved, 199 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/255 variables, 0/58 constraints. Problems are: Problem set: 63 solved, 199 unsolved
At refinement iteration 7 (OVERLAPS) 64/319 variables, 8/66 constraints. Problems are: Problem set: 63 solved, 199 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:54:02] [INFO ] Deduced a trap composed of 24 places in 52 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/319 variables, 1/67 constraints. Problems are: Problem set: 63 solved, 199 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:54:07] [INFO ] Deduced a trap composed of 13 places in 218 ms of which 16 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/319 variables, 1/68 constraints. Problems are: Problem set: 63 solved, 199 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/319 variables, 0/68 constraints. Problems are: Problem set: 63 solved, 199 unsolved
At refinement iteration 11 (OVERLAPS) 265/584 variables, 319/387 constraints. Problems are: Problem set: 63 solved, 199 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/584 variables, 199/586 constraints. Problems are: Problem set: 63 solved, 199 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 584/585 variables, and 586 constraints, problems are : Problem set: 63 solved, 199 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 319/320 constraints, PredecessorRefiner: 199/262 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60171ms problems are : Problem set: 63 solved, 199 unsolved
Search for dead transitions found 63 dead transitions in 60174ms
Found 63 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 63 transitions
Dead transitions reduction (with SMT) removed 63 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 320/320 places, 202/265 transitions.
Graph (complete) has 857 edges and 320 vertex of which 257 are kept as prefixes of interest. Removing 63 places using SCC suffix rule.1 ms
Discarding 63 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 5 ms. Remains 257 /320 variables (removed 63) and now considering 202/202 (removed 0) transitions.
// Phase 1: matrix 202 rows 257 cols
[2026-05-23 09:54:26] [INFO ] Computed 61 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 09:54:27] [INFO ] Implicit Places using invariants in 461 ms returned []
[2026-05-23 09:54:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 09:54:28] [INFO ] Implicit Places using invariants and state equation in 676 ms returned []
Implicit Place search using SMT with State Equation took 1146 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 257/320 places, 202/265 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 63067 ms. Remains : 257/320 places, 202/265 transitions.
[2026-05-23 09:54:28] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (47856 resets) in 2808 ms. (355 steps per ms)
BEST_FIRST walk for 1000000 steps (9168 resets) in 1123 ms. (889 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-23 09:54:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 09:54:32] [INFO ] [Real]Absence check using 36 positive place invariants in 19 ms returned sat
[2026-05-23 09:54:32] [INFO ] [Real]Absence check using 36 positive and 25 generalized place invariants in 25 ms returned sat
[2026-05-23 09:54:32] [INFO ] [Real]Absence check using state equation in 206 ms returned sat
[2026-05-23 09:54:32] [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 09:54:32] [INFO ] [Nat]Absence check using 36 positive place invariants in 20 ms returned sat
[2026-05-23 09:54:32] [INFO ] [Nat]Absence check using 36 positive and 25 generalized place invariants in 26 ms returned sat
[2026-05-23 09:54:32] [INFO ] [Nat]Absence check using state equation in 186 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:54:32] [INFO ] Deduced a trap composed of 5 places in 91 ms of which 6 ms to minimize.
[2026-05-23 09:54:32] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 128 ms
[2026-05-23 09:54:32] [INFO ] Computed and/alt/rep : 188/336/188 causal constraints (skipped 11 transitions) in 22 ms.
[2026-05-23 09:54:34] [INFO ] Added : 159 causal constraints over 32 iterations in 1561 ms. Result :sat
Minimization took 234 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 257 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 257/257 places, 202/202 transitions.
Applied a total of 0 rules in 7 ms. Remains 257 /257 variables (removed 0) and now considering 202/202 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 257/257 places, 202/202 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 257/257 places, 202/202 transitions.
Applied a total of 0 rules in 6 ms. Remains 257 /257 variables (removed 0) and now considering 202/202 (removed 0) transitions.
[2026-05-23 09:54:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 09:54:36] [INFO ] Implicit Places using invariants in 472 ms returned []
[2026-05-23 09:54:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 09:54:36] [INFO ] Implicit Places using invariants and state equation in 738 ms returned []
Implicit Place search using SMT with State Equation took 1230 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 09:54:36] [INFO ] Redundant transitions in 0 ms returned []
Running 199 sub problems to find dead transitions.
[2026-05-23 09:54:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/253 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/253 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/253 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 3 (OVERLAPS) 2/255 variables, 1/53 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/255 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 5 (OVERLAPS) 1/256 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 199 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:54:47] [INFO ] Deduced a trap composed of 24 places in 64 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/256 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/256 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 8 (OVERLAPS) 202/458 variables, 256/318 constraints. Problems are: Problem set: 0 solved, 199 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:54:52] [INFO ] Deduced a trap composed of 13 places in 117 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:54:54] [INFO ] Deduced a trap composed of 5 places in 59 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:54:55] [INFO ] Deduced a trap composed of 15 places in 109 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:54:55] [INFO ] Deduced a trap composed of 18 places in 119 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:54:55] [INFO ] Deduced a trap composed of 12 places in 99 ms of which 7 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/458 variables, 5/323 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/458 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 11 (OVERLAPS) 1/459 variables, 1/324 constraints. Problems are: Problem set: 0 solved, 199 unsolved
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 459/459 variables, and 324 constraints, problems are : Problem set: 0 solved, 199 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 257/257 constraints, PredecessorRefiner: 199/199 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 199 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/253 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/253 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/253 variables, 4/56 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/253 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 4 (OVERLAPS) 2/255 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/255 variables, 2/59 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/255 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 7 (OVERLAPS) 1/256 variables, 8/67 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/256 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 9 (OVERLAPS) 202/458 variables, 256/323 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/458 variables, 199/522 constraints. Problems are: Problem set: 0 solved, 199 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 458/459 variables, and 522 constraints, problems are : Problem set: 0 solved, 199 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 256/257 constraints, PredecessorRefiner: 199/199 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60099ms problems are : Problem set: 0 solved, 199 unsolved
Search for dead transitions found 0 dead transitions in 60100ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61358 ms. Remains : 257/257 places, 202/202 transitions.
[2026-05-23 09:55:36] [INFO ] Flatten gal took : 7 ms
[2026-05-23 09:55:36] [INFO ] Flatten gal took : 8 ms
[2026-05-23 09:55:36] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2476657660756976078.gal : 1 ms
[2026-05-23 09:55:36] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13460630026261133142.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/ReachabilityCardinality2476657660756976078.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13460630026261133142.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
RANDOM walk for 40000 steps (1883 resets) in 189 ms. (210 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality13460630026261133142.prop.
BEST_FIRST walk for 40003 steps (343 resets) in 75 ms. (526 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :2 after 4
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :4 after 38
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :38 after 52
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :52 after 1174
BEST_FIRST walk for 40003 steps (360 resets) in 94 ms. (421 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :1174 after 1748
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :1748 after 44648
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :44648 after 128712
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :128712 after 364864
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :364864 after 2.06538e+06
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :1.77546e+09 after 2.66574e+09
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :2.78051e+09 after 2.80904e+09
Interrupted probabilistic random walk after 876118 steps, run timeout after 3001 ms. (steps per millisecond=291 ) properties seen :0 out of 2
Probabilistic random walk after 876118 steps, saw 123299 distinct states, run finished after 3001 ms. (steps per millisecond=291 ) properties seen :0
[2026-05-23 09:55:40] [INFO ] Invariant cache hit.
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) 23/24 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 76/100 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/100 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 43/143 variables, 21/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 33/176 variables, 23/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/176 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 9/185 variables, 9/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/185 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 138/323 variables, 185/241 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/323 variables, 0/241 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 16384
At refinement iteration 13 (OVERLAPS) 13/336 variables, 8/249 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/336 variables, 3/252 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/336 variables, 0/252 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 2/338 variables, 1/253 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/338 variables, 2/255 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD size :2.6222e+10 after 2.62222e+10
At refinement iteration 18 (INCLUDED_ONLY) 0/338 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 62/400 variables, 3/258 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/400 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/400 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 59/459 variables, 59/318 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/459 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 24 (OVERLAPS) 0/459 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 459/459 variables, and 318 constraints, problems are : Problem set: 0 solved, 2 unsolved in 378 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 257/257 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 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) 23/24 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 76/100 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/100 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 43/143 variables, 21/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 33/176 variables, 23/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/176 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 9/185 variables, 9/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/185 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 138/323 variables, 185/241 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/323 variables, 2/243 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/323 variables, 0/243 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 13/336 variables, 8/251 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/336 variables, 3/254 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/336 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 2/338 variables, 1/255 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/338 variables, 2/257 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/338 variables, 0/257 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 62/400 variables, 3/260 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/400 variables, 1/261 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/400 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (OVERLAPS) 59/459 variables, 59/320 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/459 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 25 (OVERLAPS) 0/459 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 459/459 variables, and 320 constraints, problems are : Problem set: 0 solved, 2 unsolved in 582 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 257/257 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 965ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 940 ms.
Support contains 1 out of 257 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 257/257 places, 202/202 transitions.
Applied a total of 0 rules in 4 ms. Remains 257 /257 variables (removed 0) and now considering 202/202 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 257/257 places, 202/202 transitions.
RANDOM walk for 40000 steps (1924 resets) in 143 ms. (277 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (359 resets) in 99 ms. (400 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (374 resets) in 78 ms. (506 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :9.91794e+10 after 9.91801e+10
Interrupted probabilistic random walk after 882106 steps, run timeout after 3001 ms. (steps per millisecond=293 ) properties seen :0 out of 2
Probabilistic random walk after 882106 steps, saw 124072 distinct states, run finished after 3001 ms. (steps per millisecond=293 ) properties seen :0
[2026-05-23 09:55:45] [INFO ] Invariant cache hit.
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) 23/24 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 76/100 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/100 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 43/143 variables, 21/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 33/176 variables, 23/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/176 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 9/185 variables, 9/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/185 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 138/323 variables, 185/241 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/323 variables, 0/241 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 13/336 variables, 8/249 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/336 variables, 3/252 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/336 variables, 0/252 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 2/338 variables, 1/253 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/338 variables, 2/255 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/338 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 62/400 variables, 3/258 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/400 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/400 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 59/459 variables, 59/318 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/459 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 24 (OVERLAPS) 0/459 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 459/459 variables, and 318 constraints, problems are : Problem set: 0 solved, 2 unsolved in 385 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 257/257 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 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) 23/24 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 76/100 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/100 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 43/143 variables, 21/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 33/176 variables, 23/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/176 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 9/185 variables, 9/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/185 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 138/323 variables, 185/241 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/323 variables, 2/243 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/323 variables, 0/243 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 13/336 variables, 8/251 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/336 variables, 3/254 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/336 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 2/338 variables, 1/255 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/338 variables, 2/257 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/338 variables, 0/257 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 62/400 variables, 3/260 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/400 variables, 1/261 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/400 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (OVERLAPS) 59/459 variables, 59/320 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/459 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 25 (OVERLAPS) 0/459 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 459/459 variables, and 320 constraints, problems are : Problem set: 0 solved, 2 unsolved in 556 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 257/257 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 945ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 926 ms.
Support contains 1 out of 257 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 257/257 places, 202/202 transitions.
Applied a total of 0 rules in 3 ms. Remains 257 /257 variables (removed 0) and now considering 202/202 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 257/257 places, 202/202 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 257/257 places, 202/202 transitions.
Applied a total of 0 rules in 4 ms. Remains 257 /257 variables (removed 0) and now considering 202/202 (removed 0) transitions.
[2026-05-23 09:55:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 09:55:47] [INFO ] Implicit Places using invariants in 275 ms returned []
[2026-05-23 09:55:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 09:55:47] [INFO ] Implicit Places using invariants and state equation in 490 ms returned []
Implicit Place search using SMT with State Equation took 766 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 09:55:47] [INFO ] Redundant transitions in 0 ms returned []
Running 199 sub problems to find dead transitions.
[2026-05-23 09:55:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :2.4334e+11 after 2.47218e+11
At refinement iteration 0 (INCLUDED_ONLY) 0/253 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/253 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/253 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 3 (OVERLAPS) 2/255 variables, 1/53 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/255 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 5 (OVERLAPS) 1/256 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 199 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:55:56] [INFO ] Deduced a trap composed of 24 places in 39 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/256 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 199 unsolved
SDD proceeding with computation,2 properties remain. new max is 131072
SDD size :7.47559e+11 after 7.48333e+11
At refinement iteration 7 (INCLUDED_ONLY) 0/256 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 8 (OVERLAPS) 202/458 variables, 256/318 constraints. Problems are: Problem set: 0 solved, 199 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:56:00] [INFO ] Deduced a trap composed of 13 places in 105 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:56:02] [INFO ] Deduced a trap composed of 5 places in 52 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:56:02] [INFO ] Deduced a trap composed of 15 places in 79 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:56:03] [INFO ] Deduced a trap composed of 18 places in 107 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 09:56:03] [INFO ] Deduced a trap composed of 12 places in 93 ms of which 6 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/458 variables, 5/323 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/458 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 11 (OVERLAPS) 1/459 variables, 1/324 constraints. Problems are: Problem set: 0 solved, 199 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 459/459 variables, and 324 constraints, problems are : Problem set: 0 solved, 199 unsolved in 30010 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 257/257 constraints, PredecessorRefiner: 199/199 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 199 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/253 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/253 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/253 variables, 4/56 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/253 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 4 (OVERLAPS) 2/255 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/255 variables, 2/59 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/255 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 7 (OVERLAPS) 1/256 variables, 8/67 constraints. Problems are: Problem set: 0 solved, 199 unsolved
SDD proceeding with computation,2 properties remain. new max is 262144
SDD size :1.96751e+12 after 1.9687e+12
At refinement iteration 8 (INCLUDED_ONLY) 0/256 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 9 (OVERLAPS) 202/458 variables, 256/323 constraints. Problems are: Problem set: 0 solved, 199 unsolved
Detected timeout of ITS tools.
[2026-05-23 09:56:27] [INFO ] Flatten gal took : 8 ms
[2026-05-23 09:56:27] [INFO ] Applying decomposition
[2026-05-23 09:56:27] [INFO ] Flatten gal took : 7 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph873473453222153990.txt' '-o' '/tmp/graph873473453222153990.bin' '-w' '/tmp/graph873473453222153990.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph873473453222153990.bin' '-l' '-1' '-v' '-w' '/tmp/graph873473453222153990.weights' '-q' '0' '-e' '0.001'
[2026-05-23 09:56:27] [INFO ] Decomposing Gal with order
[2026-05-23 09:56:27] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 09:56:27] [INFO ] Removed a total of 42 redundant transitions.
[2026-05-23 09:56:27] [INFO ] Flatten gal took : 13 ms
[2026-05-23 09:56:27] [INFO ] Fuse similar labels procedure discarded/fused a total of 18 labels/synchronizations in 3 ms.
[2026-05-23 09:56:27] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality614421146116393583.gal : 3 ms
[2026-05-23 09:56:27] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4584506205397439239.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/ReachabilityCardinality614421146116393583.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4584506205397439239.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...306
Loading property file /tmp/ReachabilityCardinality4584506205397439239.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :2 after 4
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :4 after 1540
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :1540 after 34360
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :50736 after 6.06363e+08
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :6.06363e+08 after 1.28568e+09
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :1.28568e+09 after 1.96501e+09
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :1.96501e+09 after 3.15382e+09
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :3.15382e+09 after 5.02196e+09
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :5.02196e+09 after 8.41857e+09
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,3.8331e+13,5.2727,121984,5441,3553,268953,21197,317,309814,421,108005,0
Total reachable state count : 38330983624092

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
MAX0,1.23863e+07,5.29365,121984,66,299,268953,21197,317,309814,423,108005,0
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
MIN0,1.23863e+07,5.29692,121984,66,299,268953,21197,320,309814,424,108005,0
At refinement iteration 10 (INCLUDED_ONLY) 0/458 variables, 199/522 constraints. Problems are: Problem set: 0 solved, 199 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 458/459 variables, and 522 constraints, problems are : Problem set: 0 solved, 199 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 256/257 constraints, PredecessorRefiner: 199/199 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60069ms problems are : Problem set: 0 solved, 199 unsolved
Search for dead transitions found 0 dead transitions in 60070ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60846 ms. Remains : 257/257 places, 202/202 transitions.
FORMULA DES-PT-60b-UpperBounds-09 1 TECHNIQUES REACHABILITY_MAX
Current structural bounds on expressions (After reachability solving 1 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for DES-PT-60b-UpperBounds-09 in 215512 ms.
[2026-05-23 09:56:47] [INFO ] Flatten gal took : 16 ms
[2026-05-23 09:56:47] [INFO ] Applying decomposition
[2026-05-23 09:56:47] [INFO ] Flatten gal took : 16 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/graph10216496685061402103.txt' '-o' '/tmp/graph10216496685061402103.bin' '-w' '/tmp/graph10216496685061402103.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph10216496685061402103.bin' '-l' '-1' '-v' '-w' '/tmp/graph10216496685061402103.weights' '-q' '0' '-e' '0.001'
[2026-05-23 09:56:47] [INFO ] Decomposing Gal with order
[2026-05-23 09:56:47] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 09:56:47] [INFO ] Removed a total of 46 redundant transitions.
[2026-05-23 09:56:47] [INFO ] Flatten gal took : 26 ms
[2026-05-23 09:56:47] [INFO ] Fuse similar labels procedure discarded/fused a total of 18 labels/synchronizations in 4 ms.
[2026-05-23 09:56:47] [INFO ] Time to serialize gal into /tmp/UpperBounds7147864590277383824.gal : 5 ms
[2026-05-23 09:56:47] [INFO ] Time to serialize properties into /tmp/UpperBounds9696283623318407722.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/UpperBounds7147864590277383824.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds9696283623318407722.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...283
Loading property file /tmp/UpperBounds9696283623318407722.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,9.97064e+13,227.759,2213644,112551,12704,3.29978e+06,16800,291,2.09811e+07,542,202717,0
Total reachable state count : 99706440827392

Verifying 2 reachability properties.
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property DES-PT-60b-UpperBounds-05 :0 <= u47.p80 <= 1
FORMULA DES-PT-60b-UpperBounds-05 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
DES-PT-60b-UpperBounds-05,0,317.016,2985792,1,0,3.29978e+06,264256,473,3.66343e+07,718,955417,43710
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property DES-PT-60b-UpperBounds-08 :0 <= u13.p26 <= 1
FORMULA DES-PT-60b-UpperBounds-08 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
DES-PT-60b-UpperBounds-08,0,403.703,2986176,1,0,3.29978e+06,264256,432,3.66343e+07,693,955417,57714
Total runtime 1881788 ms.

BK_STOP 1779530613312

--------------------
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="DES-PT-60b"
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 DES-PT-60b, 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 r095-smll-177946996300057"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DES-PT-60b.tgz
mv DES-PT-60b 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 ;