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.r162-smll-177961107800221.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 itstools
Input is JoinFreeModules-PT-2000, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r162-smll-177961107800221
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 6.7M
-rw-r--r-- 1 mcc users 7.8K Mar 7 16:00 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K Mar 7 16:00 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K Mar 7 15:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K Mar 7 15:58 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.0K Mar 15 11:06 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 11:06 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 15 11:06 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 11:06 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Mar 7 16:06 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 156K Mar 7 16:06 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.7K Mar 7 16:03 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 71K Mar 7 16:03 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 11:06 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 11:06 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 6.2M 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 JoinFreeModules-PT-2000-UpperBounds-00
FORMULA_NAME JoinFreeModules-PT-2000-UpperBounds-01
FORMULA_NAME JoinFreeModules-PT-2000-UpperBounds-02
FORMULA_NAME JoinFreeModules-PT-2000-UpperBounds-03
FORMULA_NAME JoinFreeModules-PT-2000-UpperBounds-04
FORMULA_NAME JoinFreeModules-PT-2000-UpperBounds-05
FORMULA_NAME JoinFreeModules-PT-2000-UpperBounds-06
FORMULA_NAME JoinFreeModules-PT-2000-UpperBounds-07
FORMULA_NAME JoinFreeModules-PT-2000-UpperBounds-08
FORMULA_NAME JoinFreeModules-PT-2000-UpperBounds-09
FORMULA_NAME JoinFreeModules-PT-2000-UpperBounds-10
FORMULA_NAME JoinFreeModules-PT-2000-UpperBounds-11
FORMULA_NAME JoinFreeModules-PT-2000-UpperBounds-12
FORMULA_NAME JoinFreeModules-PT-2000-UpperBounds-13
FORMULA_NAME JoinFreeModules-PT-2000-UpperBounds-14
FORMULA_NAME JoinFreeModules-PT-2000-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779780832137

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=JoinFreeModules-PT-2000
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-26 07:33:54] [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]
[2026-05-26 07:33:54] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-26 07:33:55] [INFO ] Load time of PNML (sax parser for PT used): 1021 ms
[2026-05-26 07:33:55] [INFO ] Transformed 10001 places.
[2026-05-26 07:33:55] [INFO ] Transformed 16001 transitions.
[2026-05-26 07:33:55] [INFO ] Parsed PT model containing 10001 places and 16001 transitions and 46002 arcs in 1335 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 21 ms.
Reduce places removed 1 places and 0 transitions.
Current structural bounds on expressions (Initially) : Max Seen:[2000, 0, 1, 2, 2, 1, 0, 1, 0, 2000, 1, 1, 1, 0, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[2000, 0, 1, 2, 2, 1, 0, 1, 0, 2000, 1, 1, 1, 0, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1599420074386223550.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8138630177905842498.kers'
[2026-05-26 07:33:56] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1599420074386223550.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8138630177905842498.kers]
Normalized transition count is 16000 out of 16001 initially.
Culled 0 columns in 14 ms.
// Phase 1: matrix 16000 rows 10000 cols 40000 entries
Finished phase 1 with 8000 SingleSign rule and 0 generalized
[2026-05-26 07:33:56] [INFO ] Computed 2000 invariants in 72 ms
Computed 2000 P flows in 74 ms.
Exported basis to /tmp/petrispot-output-8138630177905842498.kers
Total runtime 89 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[2000, 0, 1, 2, 2, 1, 0, 1, 0, 2000, 1, 1, 1, 0, 2, 2] Max Struct:[2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003]
RANDOM walk for 10009 steps (2 resets) in 1462 ms. (6 steps per ms)
BEST_FIRST walk for 160016 steps (32 resets) in 20037 ms. (7 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2000, 1, 2, 2, 2, 2, 1, 2, 1, 2000, 2, 2, 2, 1, 2, 2] Max Struct:[2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003]
[2026-05-26 07:34:17] [INFO ] Invariant cache hit.
[2026-05-26 07:34:22] [INFO ] [Real]Absence check using 2000 positive place invariants in 1194 ms returned sat
[2026-05-26 07:34:22] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")... while checking expression at index 0
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:308)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:857)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2278)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:207)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:803)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
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:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
[2026-05-26 07:34:25] [INFO ] [Real]Absence check using 2000 positive place invariants in 1052 ms returned sat
[2026-05-26 07:34:27] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")... while checking expression at index 1
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:308)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:857)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2278)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:207)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:803)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
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:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
[2026-05-26 07:34:30] [INFO ] [Real]Absence check using 2000 positive place invariants in 1119 ms returned sat
[2026-05-26 07:34:32] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")... while checking expression at index 2
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:308)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:857)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2278)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:207)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:803)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
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:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
[2026-05-26 07:34:35] [INFO ] [Real]Absence check using 2000 positive place invariants in 1122 ms returned sat
[2026-05-26 07:34:37] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")... while checking expression at index 3
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:308)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:857)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2278)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:207)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:803)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
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:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
[2026-05-26 07:34:42] [INFO ] [Real]Absence check using 2000 positive place invariants in 1030 ms returned sat
[2026-05-26 07:34:42] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")... while checking expression at index 4
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:308)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:857)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2278)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:207)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:803)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
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:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
[2026-05-26 07:34:46] [INFO ] [Real]Absence check using 2000 positive place invariants in 1130 ms returned sat
[2026-05-26 07:34:47] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")... while checking expression at index 5
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:308)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:857)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2278)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:207)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:803)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
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:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
[2026-05-26 07:34:52] [INFO ] [Real]Absence check using 2000 positive place invariants in 1048 ms returned sat
[2026-05-26 07:34:52] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")... while checking expression at index 6
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:308)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:857)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2278)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:207)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:803)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
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:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
[2026-05-26 07:34:56] [INFO ] [Real]Absence check using 2000 positive place invariants in 1078 ms returned sat
[2026-05-26 07:34:57] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")... while checking expression at index 7
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:308)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:857)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2278)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:207)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:803)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
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:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
[2026-05-26 07:35:01] [INFO ] [Real]Absence check using 2000 positive place invariants in 1131 ms returned sat
[2026-05-26 07:35:02] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")... while checking expression at index 8
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:308)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:857)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2278)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:207)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:803)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
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:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
[2026-05-26 07:35:05] [INFO ] [Real]Absence check using 2000 positive place invariants in 1120 ms returned sat
[2026-05-26 07:35:07] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")... while checking expression at index 9
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:308)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:857)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2278)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:207)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:803)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
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:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
[2026-05-26 07:35:10] [INFO ] [Real]Absence check using 2000 positive place invariants in 1140 ms returned sat
[2026-05-26 07:35:12] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")... while checking expression at index 10
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:308)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:857)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2278)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:207)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:803)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
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:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
[2026-05-26 07:35:18] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")... while checking expression at index 11
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:308)
at fr.lip6.move.gal.structural.smt.DeadlockTester.assertInvariants(DeadlockTester.java:2000)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:844)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2278)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:207)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:803)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
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:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
[2026-05-26 07:35:21] [INFO ] [Real]Absence check using 2000 positive place invariants in 1276 ms returned sat
[2026-05-26 07:35:23] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")... while checking expression at index 12
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:308)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:857)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2278)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:207)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:803)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
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:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
[2026-05-26 07:35:26] [INFO ] [Real]Absence check using 2000 positive place invariants in 1513 ms returned sat
[2026-05-26 07:35:28] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")... while checking expression at index 13
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:308)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:857)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2278)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:207)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:803)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
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:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
[2026-05-26 07:35:30] [INFO ] [Real]Absence check using 2000 positive place invariants in 1092 ms returned sat
[2026-05-26 07:35:33] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")... while checking expression at index 14
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:308)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:857)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2278)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:207)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:803)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
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:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
[2026-05-26 07:35:35] [INFO ] [Real]Absence check using 2000 positive place invariants in 1082 ms returned sat
[2026-05-26 07:35:38] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")... while checking expression at index 15
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:308)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:857)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2278)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:207)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:803)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
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:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
Current structural bounds on expressions (after SMT) : Max Seen:[2000, 1, 2, 2, 2, 2, 1, 2, 1, 2000, 2, 2, 2, 1, 2, 2] Max Struct:[2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2000, 1, 2, 2, 2, 2, 1, 2, 1, 2000, 2, 2, 2, 1, 2, 2] Max Struct:[2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003]
Support contains 16 out of 10000 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10000/10000 places, 16001/16001 transitions.
Graph (complete) has 24000 edges and 10000 vertex of which 80 are kept as prefixes of interest. Removing 9920 places using SCC suffix rule.34 ms
Discarding 9920 places :
Also discarding 15872 output transitions
Drop transitions (Output transitions of discarded places.) removed 15872 transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 80 transition count 128
Applied a total of 2 rules in 160 ms. Remains 80 /10000 variables (removed 9920) and now considering 128/16001 (removed 15873) transitions.
Running 96 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4489465332331633428.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14360036260662267182.kers'
[2026-05-26 07:35:38] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4489465332331633428.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14360036260662267182.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 128 rows 80 cols 320 entries
Finished phase 1 with 64 SingleSign rule and 0 generalized
[2026-05-26 07:35:38] [INFO ] Computed 16 invariants in 0 ms
Computed 16 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-14360036260662267182.kers
Total runtime 4 ms.
[2026-05-26 07:35:38] [INFO ] State equation strengthened by 16 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 1 (OVERLAPS) 16/80 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/80 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 3 (OVERLAPS) 128/208 variables, 80/96 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 16/112 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/208 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 6 (OVERLAPS) 0/208 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 96 unsolved
No progress, stopping.
After SMT solving in domain Real declared 208/208 variables, and 112 constraints, problems are : Problem set: 0 solved, 96 unsolved in 4860 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 80/80 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 96/96 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 96 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 1 (OVERLAPS) 16/80 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/80 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 3 (OVERLAPS) 128/208 variables, 80/96 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 16/112 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/208 variables, 96/208 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/208 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/208 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 8 (OVERLAPS) 0/208 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 96 unsolved
No progress, stopping.
After SMT solving in domain Int declared 208/208 variables, and 209 constraints, problems are : Problem set: 0 solved, 96 unsolved in 20021 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 80/80 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 96/96 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 24959ms problems are : Problem set: 0 solved, 96 unsolved
Search for dead transitions found 0 dead transitions in 24978ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25180 ms. Remains : 80/10000 places, 128/16001 transitions.
[2026-05-26 07:36:03] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2000, 1, 2, 2, 2, 2, 1, 2, 1, 2000, 2, 2, 2, 1, 2, 2] Max Struct:[2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003]
RANDOM walk for 1000362 steps (2 resets) in 1138 ms. (878 steps per ms)
BEST_FIRST walk for 16000016 steps (32 resets) in 22005 ms. (727 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2000, 1800, 2001, 1978, 1502, 2001, 2000, 2001, 2001, 2000, 2001, 2001, 2001, 2002, 1874, 1765] Max Struct:[2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003]
[2026-05-26 07:36:26] [INFO ] Invariant cache hit.
[2026-05-26 07:36:26] [INFO ] [Real]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-26 07:36:26] [INFO ] [Real]Absence check using state equation in 67 ms returned sat
[2026-05-26 07:36:26] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:36:26] [INFO ] [Nat]Absence check using 16 positive place invariants in 20 ms returned sat
[2026-05-26 07:36:26] [INFO ] [Nat]Absence check using state equation in 81 ms returned sat
[2026-05-26 07:36:26] [INFO ] State equation strengthened by 16 read => feed constraints.
[2026-05-26 07:36:27] [INFO ] [Nat]Added 16 Read/Feed constraints in 525 ms returned sat
[2026-05-26 07:36:27] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 21 ms.
[2026-05-26 07:36:27] [INFO ] Added : 53 causal constraints over 12 iterations in 421 ms. Result :sat
Minimization took 42 ms.
[2026-05-26 07:36:27] [INFO ] [Real]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-26 07:36:27] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2026-05-26 07:36:27] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:36:28] [INFO ] [Nat]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-26 07:36:28] [INFO ] [Nat]Absence check using state equation in 115 ms returned sat
[2026-05-26 07:36:28] [INFO ] [Nat]Added 16 Read/Feed constraints in 124 ms returned sat
[2026-05-26 07:36:28] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 18 ms.
[2026-05-26 07:36:28] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 71 ms
[2026-05-26 07:36:28] [INFO ] Added : 69 causal constraints over 16 iterations in 515 ms. Result :sat
Minimization took 191 ms.
[2026-05-26 07:36:29] [INFO ] [Real]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-26 07:36:29] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2026-05-26 07:36:29] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:36:29] [INFO ] [Nat]Absence check using 16 positive place invariants in 7 ms returned sat
[2026-05-26 07:36:29] [INFO ] [Nat]Absence check using state equation in 85 ms returned sat
[2026-05-26 07:36:29] [INFO ] [Nat]Added 16 Read/Feed constraints in 39 ms returned sat
[2026-05-26 07:36:29] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 11 ms.
[2026-05-26 07:36:30] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 268 ms
[2026-05-26 07:36:30] [INFO ] Added : 74 causal constraints over 15 iterations in 955 ms. Result :sat
Minimization took 63 ms.
[2026-05-26 07:36:30] [INFO ] [Real]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-26 07:36:30] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2026-05-26 07:36:30] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:36:30] [INFO ] [Nat]Absence check using 16 positive place invariants in 7 ms returned sat
[2026-05-26 07:36:30] [INFO ] [Nat]Absence check using state equation in 82 ms returned sat
[2026-05-26 07:36:30] [INFO ] [Nat]Added 16 Read/Feed constraints in 211 ms returned sat
[2026-05-26 07:36:30] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 10 ms.
[2026-05-26 07:36:31] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 43 ms
[2026-05-26 07:36:31] [INFO ] Added : 66 causal constraints over 14 iterations in 255 ms. Result :sat
Minimization took 85 ms.
[2026-05-26 07:36:31] [INFO ] [Real]Absence check using 16 positive place invariants in 7 ms returned sat
[2026-05-26 07:36:31] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2026-05-26 07:36:31] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:36:31] [INFO ] [Nat]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-26 07:36:31] [INFO ] [Nat]Absence check using state equation in 48 ms returned sat
[2026-05-26 07:36:31] [INFO ] [Nat]Added 16 Read/Feed constraints in 62 ms returned sat
[2026-05-26 07:36:31] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-26 07:36:31] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 92 ms
[2026-05-26 07:36:31] [INFO ] Added : 84 causal constraints over 19 iterations in 452 ms. Result :sat
Minimization took 336 ms.
[2026-05-26 07:36:32] [INFO ] [Real]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-26 07:36:32] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2026-05-26 07:36:32] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:36:32] [INFO ] [Nat]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-26 07:36:32] [INFO ] [Nat]Absence check using state equation in 55 ms returned sat
[2026-05-26 07:36:32] [INFO ] [Nat]Added 16 Read/Feed constraints in 91 ms returned sat
[2026-05-26 07:36:32] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 16 ms.
[2026-05-26 07:36:32] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 131 ms
[2026-05-26 07:36:33] [INFO ] Added : 77 causal constraints over 17 iterations in 441 ms. Result :sat
Minimization took 51 ms.
[2026-05-26 07:36:33] [INFO ] [Real]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-26 07:36:33] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2026-05-26 07:36:33] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:36:33] [INFO ] [Nat]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-26 07:36:33] [INFO ] [Nat]Absence check using state equation in 196 ms returned sat
[2026-05-26 07:36:33] [INFO ] [Nat]Added 16 Read/Feed constraints in 90 ms returned sat
[2026-05-26 07:36:33] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 15 ms.
[2026-05-26 07:36:33] [INFO ] Added : 36 causal constraints over 9 iterations in 189 ms. Result :sat
Minimization took 43 ms.
[2026-05-26 07:36:33] [INFO ] [Real]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-26 07:36:33] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2026-05-26 07:36:33] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:36:33] [INFO ] [Nat]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-26 07:36:33] [INFO ] [Nat]Absence check using state equation in 57 ms returned sat
[2026-05-26 07:36:34] [INFO ] [Nat]Added 16 Read/Feed constraints in 117 ms returned sat
[2026-05-26 07:36:34] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 13 ms.
[2026-05-26 07:36:34] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 103 ms
[2026-05-26 07:36:34] [INFO ] Added : 66 causal constraints over 14 iterations in 370 ms. Result :sat
Minimization took 74 ms.
[2026-05-26 07:36:34] [INFO ] [Real]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-26 07:36:34] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2026-05-26 07:36:34] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:36:34] [INFO ] [Nat]Absence check using 16 positive place invariants in 7 ms returned sat
[2026-05-26 07:36:34] [INFO ] [Nat]Absence check using state equation in 212 ms returned sat
[2026-05-26 07:36:35] [INFO ] [Nat]Added 16 Read/Feed constraints in 259 ms returned sat
[2026-05-26 07:36:35] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 41 ms.
[2026-05-26 07:36:35] [INFO ] Added : 59 causal constraints over 14 iterations in 554 ms. Result :sat
Minimization took 113 ms.
[2026-05-26 07:36:35] [INFO ] [Real]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-26 07:36:35] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2026-05-26 07:36:35] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:36:35] [INFO ] [Nat]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-26 07:36:35] [INFO ] [Nat]Absence check using state equation in 60 ms returned sat
[2026-05-26 07:36:36] [INFO ] [Nat]Added 16 Read/Feed constraints in 338 ms returned sat
[2026-05-26 07:36:36] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-26 07:36:36] [INFO ] Added : 62 causal constraints over 14 iterations in 213 ms. Result :sat
Minimization took 71 ms.
[2026-05-26 07:36:36] [INFO ] [Real]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-26 07:36:36] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2026-05-26 07:36:36] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:36:36] [INFO ] [Nat]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-26 07:36:36] [INFO ] [Nat]Absence check using state equation in 55 ms returned sat
[2026-05-26 07:36:37] [INFO ] [Nat]Added 16 Read/Feed constraints in 251 ms returned sat
[2026-05-26 07:36:37] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 13 ms.
[2026-05-26 07:36:37] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 80 ms
[2026-05-26 07:36:37] [INFO ] Added : 60 causal constraints over 15 iterations in 443 ms. Result :sat
Minimization took 53 ms.
[2026-05-26 07:36:37] [INFO ] [Real]Absence check using 16 positive place invariants in 7 ms returned sat
[2026-05-26 07:36:37] [INFO ] [Real]Absence check using state equation in 64 ms returned sat
[2026-05-26 07:36:37] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:36:37] [INFO ] [Nat]Absence check using 16 positive place invariants in 7 ms returned sat
[2026-05-26 07:36:38] [INFO ] [Nat]Absence check using state equation in 270 ms returned sat
[2026-05-26 07:36:38] [INFO ] [Nat]Added 16 Read/Feed constraints in 213 ms returned sat
[2026-05-26 07:36:38] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 31 ms
[2026-05-26 07:36:38] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 10 ms.
[2026-05-26 07:36:38] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 33 ms
[2026-05-26 07:36:38] [INFO ] Added : 51 causal constraints over 11 iterations in 194 ms. Result :sat
Minimization took 40 ms.
[2026-05-26 07:36:38] [INFO ] [Real]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-26 07:36:38] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2026-05-26 07:36:38] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:36:38] [INFO ] [Nat]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-26 07:36:38] [INFO ] [Nat]Absence check using state equation in 51 ms returned sat
[2026-05-26 07:36:39] [INFO ] [Nat]Added 16 Read/Feed constraints in 309 ms returned sat
[2026-05-26 07:36:39] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 13 ms.
[2026-05-26 07:36:39] [INFO ] Added : 63 causal constraints over 13 iterations in 193 ms. Result :sat
Minimization took 46 ms.
[2026-05-26 07:36:39] [INFO ] [Real]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-26 07:36:39] [INFO ] [Real]Absence check using state equation in 61 ms returned sat
[2026-05-26 07:36:39] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:36:39] [INFO ] [Nat]Absence check using 16 positive place invariants in 8 ms returned sat
[2026-05-26 07:36:39] [INFO ] [Nat]Absence check using state equation in 61 ms returned sat
[2026-05-26 07:36:39] [INFO ] [Nat]Added 16 Read/Feed constraints in 331 ms returned sat
[2026-05-26 07:36:39] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 13 ms.
[2026-05-26 07:36:40] [INFO ] Added : 59 causal constraints over 14 iterations in 234 ms. Result :sat
Minimization took 40 ms.
[2026-05-26 07:36:40] [INFO ] [Real]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-26 07:36:40] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2026-05-26 07:36:40] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:36:40] [INFO ] [Nat]Absence check using 16 positive place invariants in 7 ms returned sat
[2026-05-26 07:36:40] [INFO ] [Nat]Absence check using state equation in 77 ms returned sat
[2026-05-26 07:36:40] [INFO ] [Nat]Added 16 Read/Feed constraints in 143 ms returned sat
[2026-05-26 07:36:40] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 9 ms.
[2026-05-26 07:36:40] [INFO ] Added : 77 causal constraints over 18 iterations in 211 ms. Result :sat
Minimization took 147 ms.
[2026-05-26 07:36:40] [INFO ] [Real]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-26 07:36:40] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2026-05-26 07:36:40] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:36:41] [INFO ] [Nat]Absence check using 16 positive place invariants in 8 ms returned sat
[2026-05-26 07:36:41] [INFO ] [Nat]Absence check using state equation in 64 ms returned sat
[2026-05-26 07:36:41] [INFO ] [Nat]Added 16 Read/Feed constraints in 56 ms returned sat
[2026-05-26 07:36:41] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 11 ms.
[2026-05-26 07:36:41] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 43 ms
[2026-05-26 07:36:41] [INFO ] Added : 88 causal constraints over 18 iterations in 439 ms. Result :sat
Minimization took 290 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2000, 1800, 2001, 1978, 1502, 2001, 2000, 2001, 2001, 2000, 2001, 2001, 2001, 2002, 1874, 1765] Max Struct:[2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2000, 2001, 2001, 2002, 2002, 2001, 2000, 2001, 2001, 2000, 2001, 2001, 2001, 2002, 2002, 2002] Max Struct:[2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003]
Support contains 16 out of 80 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 80/80 places, 128/128 transitions.
Applied a total of 0 rules in 9 ms. Remains 80 /80 variables (removed 0) and now considering 128/128 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 80/80 places, 128/128 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 80/80 places, 128/128 transitions.
Applied a total of 0 rules in 6 ms. Remains 80 /80 variables (removed 0) and now considering 128/128 (removed 0) transitions.
[2026-05-26 07:38:57] [INFO ] Invariant cache hit.
[2026-05-26 07:38:57] [INFO ] Implicit Places using invariants in 45 ms returned []
[2026-05-26 07:38:57] [INFO ] Invariant cache hit.
[2026-05-26 07:38:57] [INFO ] State equation strengthened by 16 read => feed constraints.
[2026-05-26 07:38:57] [INFO ] Implicit Places using invariants and state equation in 93 ms returned []
Implicit Place search using SMT with State Equation took 140 ms to find 0 implicit places.
[2026-05-26 07:38:57] [INFO ] Redundant transitions in 3 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 160 ms. Remains : 80/80 places, 128/128 transitions.
[2026-05-26 07:38:57] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2000, 2001, 2001, 2002, 2002, 2001, 2000, 2001, 2001, 2000, 2001, 2001, 2001, 2002, 2002, 2002] Max Struct:[2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003]
RANDOM walk for 1000062 steps (2 resets) in 1086 ms. (920 steps per ms)
BEST_FIRST walk for 16000016 steps (32 resets) in 21468 ms. (745 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2000, 2001, 2001, 2002, 2002, 2001, 2000, 2001, 2001, 2000, 2001, 2001, 2001, 2002, 2002, 2002] Max Struct:[2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003]
[2026-05-26 07:39:20] [INFO ] Invariant cache hit.
[2026-05-26 07:39:20] [INFO ] [Real]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-26 07:39:20] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2026-05-26 07:39:20] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:39:20] [INFO ] [Nat]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-26 07:39:20] [INFO ] [Nat]Absence check using state equation in 44 ms returned sat
[2026-05-26 07:39:20] [INFO ] State equation strengthened by 16 read => feed constraints.
[2026-05-26 07:39:20] [INFO ] [Nat]Added 16 Read/Feed constraints in 267 ms returned sat
[2026-05-26 07:39:20] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 9 ms.
[2026-05-26 07:39:21] [INFO ] Added : 53 causal constraints over 12 iterations in 141 ms. Result :sat
Minimization took 42 ms.
[2026-05-26 07:39:21] [INFO ] [Real]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-26 07:39:21] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2026-05-26 07:39:21] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:39:21] [INFO ] [Nat]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-26 07:39:21] [INFO ] [Nat]Absence check using state equation in 45 ms returned sat
[2026-05-26 07:39:21] [INFO ] [Nat]Added 16 Read/Feed constraints in 85 ms returned sat
[2026-05-26 07:39:21] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 9 ms.
[2026-05-26 07:39:21] [INFO ] Added : 73 causal constraints over 15 iterations in 357 ms. Result :sat
Minimization took 61 ms.
[2026-05-26 07:39:21] [INFO ] [Real]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-26 07:39:21] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2026-05-26 07:39:21] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:39:21] [INFO ] [Nat]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-26 07:39:22] [INFO ] [Nat]Absence check using state equation in 48 ms returned sat
[2026-05-26 07:39:22] [INFO ] [Nat]Added 16 Read/Feed constraints in 34 ms returned sat
[2026-05-26 07:39:22] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 9 ms.
[2026-05-26 07:39:22] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 38 ms
[2026-05-26 07:39:22] [INFO ] Added : 74 causal constraints over 15 iterations in 223 ms. Result :sat
Minimization took 46 ms.
[2026-05-26 07:39:22] [INFO ] [Real]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-26 07:39:22] [INFO ] [Real]Absence check using state equation in 45 ms returned sat
[2026-05-26 07:39:22] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:39:22] [INFO ] [Nat]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-26 07:39:22] [INFO ] [Nat]Absence check using state equation in 47 ms returned sat
[2026-05-26 07:39:22] [INFO ] [Nat]Added 16 Read/Feed constraints in 4 ms returned sat
[2026-05-26 07:39:22] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-26 07:39:22] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 28 ms
Minimization took 25 ms.
[2026-05-26 07:39:22] [INFO ] [Real]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-26 07:39:22] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2026-05-26 07:39:22] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:39:22] [INFO ] [Nat]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-26 07:39:22] [INFO ] [Nat]Absence check using state equation in 47 ms returned sat
[2026-05-26 07:39:22] [INFO ] [Nat]Added 16 Read/Feed constraints in 3 ms returned sat
[2026-05-26 07:39:22] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 9 ms.
[2026-05-26 07:39:23] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 2 trap constraints in 59 ms
Minimization took 29 ms.
[2026-05-26 07:39:23] [INFO ] [Real]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-26 07:39:23] [INFO ] [Real]Absence check using state equation in 45 ms returned sat
[2026-05-26 07:39:23] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:39:23] [INFO ] [Nat]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-26 07:39:23] [INFO ] [Nat]Absence check using state equation in 46 ms returned sat
[2026-05-26 07:39:23] [INFO ] [Nat]Added 16 Read/Feed constraints in 86 ms returned sat
[2026-05-26 07:39:23] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-26 07:39:23] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 119 ms
[2026-05-26 07:39:23] [INFO ] Added : 77 causal constraints over 17 iterations in 319 ms. Result :sat
Minimization took 48 ms.
[2026-05-26 07:39:23] [INFO ] [Real]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-26 07:39:24] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2026-05-26 07:39:24] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:39:24] [INFO ] [Nat]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-26 07:39:24] [INFO ] [Nat]Absence check using state equation in 180 ms returned sat
[2026-05-26 07:39:24] [INFO ] [Nat]Added 16 Read/Feed constraints in 82 ms returned sat
[2026-05-26 07:39:24] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 10 ms.
[2026-05-26 07:39:24] [INFO ] Added : 36 causal constraints over 9 iterations in 156 ms. Result :sat
Minimization took 40 ms.
[2026-05-26 07:39:24] [INFO ] [Real]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-26 07:39:24] [INFO ] [Real]Absence check using state equation in 45 ms returned sat
[2026-05-26 07:39:24] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:39:24] [INFO ] [Nat]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-26 07:39:24] [INFO ] [Nat]Absence check using state equation in 49 ms returned sat
[2026-05-26 07:39:24] [INFO ] [Nat]Added 16 Read/Feed constraints in 114 ms returned sat
[2026-05-26 07:39:24] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 9 ms.
[2026-05-26 07:39:25] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 81 ms
[2026-05-26 07:39:25] [INFO ] Added : 66 causal constraints over 14 iterations in 303 ms. Result :sat
Minimization took 45 ms.
[2026-05-26 07:39:25] [INFO ] [Real]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-26 07:39:25] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2026-05-26 07:39:25] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:39:25] [INFO ] [Nat]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-26 07:39:25] [INFO ] [Nat]Absence check using state equation in 207 ms returned sat
[2026-05-26 07:39:25] [INFO ] [Nat]Added 16 Read/Feed constraints in 82 ms returned sat
[2026-05-26 07:39:25] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-26 07:39:25] [INFO ] Added : 59 causal constraints over 14 iterations in 209 ms. Result :sat
Minimization took 40 ms.
[2026-05-26 07:39:25] [INFO ] [Real]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-26 07:39:25] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2026-05-26 07:39:25] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:39:25] [INFO ] [Nat]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-26 07:39:26] [INFO ] [Nat]Absence check using state equation in 48 ms returned sat
[2026-05-26 07:39:26] [INFO ] [Nat]Added 16 Read/Feed constraints in 321 ms returned sat
[2026-05-26 07:39:26] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-26 07:39:26] [INFO ] Added : 62 causal constraints over 14 iterations in 186 ms. Result :sat
Minimization took 42 ms.
[2026-05-26 07:39:26] [INFO ] [Real]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-26 07:39:26] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2026-05-26 07:39:26] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:39:26] [INFO ] [Nat]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-26 07:39:26] [INFO ] [Nat]Absence check using state equation in 45 ms returned sat
[2026-05-26 07:39:26] [INFO ] [Nat]Added 16 Read/Feed constraints in 239 ms returned sat
[2026-05-26 07:39:27] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-26 07:39:27] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 35 ms
[2026-05-26 07:39:27] [INFO ] Added : 60 causal constraints over 15 iterations in 207 ms. Result :sat
Minimization took 43 ms.
[2026-05-26 07:39:27] [INFO ] [Real]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-26 07:39:27] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2026-05-26 07:39:27] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:39:27] [INFO ] [Nat]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-26 07:39:27] [INFO ] [Nat]Absence check using state equation in 183 ms returned sat
[2026-05-26 07:39:27] [INFO ] [Nat]Added 16 Read/Feed constraints in 135 ms returned sat
[2026-05-26 07:39:27] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 35 ms
[2026-05-26 07:39:27] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-26 07:39:27] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 34 ms
[2026-05-26 07:39:27] [INFO ] Added : 51 causal constraints over 11 iterations in 188 ms. Result :sat
Minimization took 39 ms.
[2026-05-26 07:39:28] [INFO ] [Real]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-26 07:39:28] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2026-05-26 07:39:28] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:39:28] [INFO ] [Nat]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-26 07:39:28] [INFO ] [Nat]Absence check using state equation in 46 ms returned sat
[2026-05-26 07:39:28] [INFO ] [Nat]Added 16 Read/Feed constraints in 295 ms returned sat
[2026-05-26 07:39:28] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 10 ms.
[2026-05-26 07:39:28] [INFO ] Added : 63 causal constraints over 13 iterations in 155 ms. Result :sat
Minimization took 50 ms.
[2026-05-26 07:39:28] [INFO ] [Real]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-26 07:39:28] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2026-05-26 07:39:28] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:39:28] [INFO ] [Nat]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-26 07:39:28] [INFO ] [Nat]Absence check using state equation in 49 ms returned sat
[2026-05-26 07:39:29] [INFO ] [Nat]Added 16 Read/Feed constraints in 318 ms returned sat
[2026-05-26 07:39:29] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 9 ms.
[2026-05-26 07:39:29] [INFO ] Added : 59 causal constraints over 14 iterations in 188 ms. Result :sat
Minimization took 32 ms.
[2026-05-26 07:39:29] [INFO ] [Real]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-26 07:39:29] [INFO ] [Real]Absence check using state equation in 45 ms returned sat
[2026-05-26 07:39:29] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:39:29] [INFO ] [Nat]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-26 07:39:29] [INFO ] [Nat]Absence check using state equation in 46 ms returned sat
[2026-05-26 07:39:29] [INFO ] [Nat]Added 16 Read/Feed constraints in 4 ms returned sat
[2026-05-26 07:39:29] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-26 07:39:29] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 25 ms
Minimization took 26 ms.
[2026-05-26 07:39:29] [INFO ] [Real]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-26 07:39:29] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2026-05-26 07:39:29] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:39:29] [INFO ] [Nat]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-26 07:39:29] [INFO ] [Nat]Absence check using state equation in 46 ms returned sat
[2026-05-26 07:39:30] [INFO ] [Nat]Added 16 Read/Feed constraints in 215 ms returned sat
[2026-05-26 07:39:30] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 10 ms.
[2026-05-26 07:39:30] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 26 ms
Minimization took 23 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2000, 2001, 2001, 2002, 2002, 2001, 2000, 2001, 2001, 2000, 2001, 2001, 2001, 2002, 2002, 2002] Max Struct:[2003, 2003, 2003, 2002, 2002, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2002, 2002]
FORMULA JoinFreeModules-PT-2000-UpperBounds-15 2002 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA JoinFreeModules-PT-2000-UpperBounds-14 2002 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA JoinFreeModules-PT-2000-UpperBounds-04 2002 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA JoinFreeModules-PT-2000-UpperBounds-03 2002 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2000, 2001, 2001, 2001, 2000, 2001, 2001, 2000, 2001, 2001, 2001, 2002] Max Struct:[2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003]
Support contains 12 out of 80 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 80/80 places, 128/128 transitions.
Graph (complete) has 192 edges and 80 vertex of which 60 are kept as prefixes of interest. Removing 20 places using SCC suffix rule.0 ms
Discarding 20 places :
Also discarding 32 output transitions
Drop transitions (Output transitions of discarded places.) removed 32 transitions
Applied a total of 1 rules in 6 ms. Remains 60 /80 variables (removed 20) and now considering 96/128 (removed 32) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 60/80 places, 96/128 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3791562890358455714.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11476408104077840266.kers'
[2026-05-26 07:41:05] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3791562890358455714.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11476408104077840266.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 96 rows 60 cols 240 entries
Finished phase 1 with 48 SingleSign rule and 0 generalized
[2026-05-26 07:41:05] [INFO ] Computed 12 invariants in 1 ms
Computed 12 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-11476408104077840266.kers
Total runtime 2 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[2000, 2001, 2001, 2001, 2000, 2001, 2001, 2000, 2001, 2001, 2001, 2002] Max Struct:[2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003]
RANDOM walk for 1000345 steps (2 resets) in 803 ms. (1244 steps per ms)
BEST_FIRST walk for 12000012 steps (24 resets) in 12195 ms. (983 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2000, 2001, 2001, 2001, 2001, 2001, 2001, 2000, 2001, 2001, 2001, 2002] Max Struct:[2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003]
[2026-05-26 07:41:18] [INFO ] Invariant cache hit.
[2026-05-26 07:41:18] [INFO ] [Real]Absence check using 12 positive place invariants in 4 ms returned sat
[2026-05-26 07:41:18] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2026-05-26 07:41:18] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:41:18] [INFO ] [Nat]Absence check using 12 positive place invariants in 4 ms returned sat
[2026-05-26 07:41:18] [INFO ] [Nat]Absence check using state equation in 40 ms returned sat
[2026-05-26 07:41:18] [INFO ] State equation strengthened by 12 read => feed constraints.
[2026-05-26 07:41:18] [INFO ] [Nat]Added 12 Read/Feed constraints in 188 ms returned sat
[2026-05-26 07:41:18] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-26 07:41:19] [INFO ] Added : 52 causal constraints over 12 iterations in 116 ms. Result :sat
Minimization took 37 ms.
[2026-05-26 07:41:19] [INFO ] [Real]Absence check using 12 positive place invariants in 4 ms returned sat
[2026-05-26 07:41:19] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2026-05-26 07:41:19] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:41:19] [INFO ] [Nat]Absence check using 12 positive place invariants in 4 ms returned sat
[2026-05-26 07:41:19] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2026-05-26 07:41:19] [INFO ] [Nat]Added 12 Read/Feed constraints in 179 ms returned sat
[2026-05-26 07:41:19] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-26 07:41:19] [INFO ] Added : 52 causal constraints over 11 iterations in 105 ms. Result :sat
Minimization took 38 ms.
[2026-05-26 07:41:19] [INFO ] [Real]Absence check using 12 positive place invariants in 5 ms returned sat
[2026-05-26 07:41:19] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2026-05-26 07:41:19] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:41:19] [INFO ] [Nat]Absence check using 12 positive place invariants in 4 ms returned sat
[2026-05-26 07:41:19] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2026-05-26 07:41:19] [INFO ] [Nat]Added 12 Read/Feed constraints in 3 ms returned sat
[2026-05-26 07:41:19] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-26 07:41:19] [INFO ] Added : 57 causal constraints over 12 iterations in 112 ms. Result :sat
Minimization took 27 ms.
[2026-05-26 07:41:19] [INFO ] [Real]Absence check using 12 positive place invariants in 4 ms returned sat
[2026-05-26 07:41:19] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2026-05-26 07:41:19] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:41:19] [INFO ] [Nat]Absence check using 12 positive place invariants in 4 ms returned sat
[2026-05-26 07:41:19] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2026-05-26 07:41:19] [INFO ] [Nat]Added 12 Read/Feed constraints in 3 ms returned sat
[2026-05-26 07:41:19] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-26 07:41:20] [INFO ] Added : 34 causal constraints over 8 iterations in 291 ms. Result :sat
Minimization took 31 ms.
[2026-05-26 07:41:20] [INFO ] [Real]Absence check using 12 positive place invariants in 4 ms returned sat
[2026-05-26 07:41:20] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2026-05-26 07:41:20] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:41:20] [INFO ] [Nat]Absence check using 12 positive place invariants in 4 ms returned sat
[2026-05-26 07:41:20] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2026-05-26 07:41:20] [INFO ] [Nat]Added 12 Read/Feed constraints in 323 ms returned sat
[2026-05-26 07:41:20] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-26 07:41:20] [INFO ] Added : 38 causal constraints over 10 iterations in 93 ms. Result :sat
Minimization took 30 ms.
[2026-05-26 07:41:20] [INFO ] [Real]Absence check using 12 positive place invariants in 4 ms returned sat
[2026-05-26 07:41:20] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2026-05-26 07:41:20] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:41:20] [INFO ] [Nat]Absence check using 12 positive place invariants in 4 ms returned sat
[2026-05-26 07:41:21] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2026-05-26 07:41:21] [INFO ] [Nat]Added 12 Read/Feed constraints in 2 ms returned sat
[2026-05-26 07:41:21] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-26 07:41:21] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 33 ms
[2026-05-26 07:41:21] [INFO ] Added : 57 causal constraints over 12 iterations in 154 ms. Result :sat
Minimization took 37 ms.
[2026-05-26 07:41:21] [INFO ] [Real]Absence check using 12 positive place invariants in 4 ms returned sat
[2026-05-26 07:41:21] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2026-05-26 07:41:21] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:41:21] [INFO ] [Nat]Absence check using 12 positive place invariants in 4 ms returned sat
[2026-05-26 07:41:21] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2026-05-26 07:41:21] [INFO ] [Nat]Added 12 Read/Feed constraints in 426 ms returned sat
[2026-05-26 07:41:21] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-26 07:41:22] [INFO ] Added : 37 causal constraints over 9 iterations in 401 ms. Result :sat
Minimization took 30 ms.
[2026-05-26 07:41:22] [INFO ] [Real]Absence check using 12 positive place invariants in 4 ms returned sat
[2026-05-26 07:41:22] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2026-05-26 07:41:22] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:41:22] [INFO ] [Nat]Absence check using 12 positive place invariants in 4 ms returned sat
[2026-05-26 07:41:22] [INFO ] [Nat]Absence check using state equation in 217 ms returned sat
[2026-05-26 07:41:22] [INFO ] [Nat]Added 12 Read/Feed constraints in 143 ms returned sat
[2026-05-26 07:41:22] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-26 07:41:23] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 31 ms
[2026-05-26 07:41:23] [INFO ] Added : 32 causal constraints over 9 iterations in 399 ms. Result :sat
Minimization took 28 ms.
[2026-05-26 07:41:23] [INFO ] [Real]Absence check using 12 positive place invariants in 4 ms returned sat
[2026-05-26 07:41:23] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2026-05-26 07:41:23] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:41:23] [INFO ] [Nat]Absence check using 12 positive place invariants in 4 ms returned sat
[2026-05-26 07:41:23] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2026-05-26 07:41:23] [INFO ] [Nat]Added 12 Read/Feed constraints in 4 ms returned sat
[2026-05-26 07:41:23] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-26 07:41:23] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 140 ms
[2026-05-26 07:41:23] [INFO ] Added : 52 causal constraints over 11 iterations in 325 ms. Result :sat
Minimization took 26 ms.
[2026-05-26 07:41:23] [INFO ] [Real]Absence check using 12 positive place invariants in 4 ms returned sat
[2026-05-26 07:41:23] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2026-05-26 07:41:23] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:41:23] [INFO ] [Nat]Absence check using 12 positive place invariants in 4 ms returned sat
[2026-05-26 07:41:23] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2026-05-26 07:41:23] [INFO ] [Nat]Added 12 Read/Feed constraints in 3 ms returned sat
[2026-05-26 07:41:23] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-26 07:41:23] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 67 ms
[2026-05-26 07:41:23] [INFO ] Added : 58 causal constraints over 13 iterations in 191 ms. Result :sat
Minimization took 38 ms.
[2026-05-26 07:41:24] [INFO ] [Real]Absence check using 12 positive place invariants in 4 ms returned sat
[2026-05-26 07:41:24] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2026-05-26 07:41:24] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:41:24] [INFO ] [Nat]Absence check using 12 positive place invariants in 4 ms returned sat
[2026-05-26 07:41:24] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2026-05-26 07:41:24] [INFO ] [Nat]Added 12 Read/Feed constraints in 145 ms returned sat
[2026-05-26 07:41:24] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-26 07:41:24] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 75 ms
[2026-05-26 07:41:24] [INFO ] Added : 43 causal constraints over 9 iterations in 165 ms. Result :sat
Minimization took 33 ms.
[2026-05-26 07:41:24] [INFO ] [Real]Absence check using 12 positive place invariants in 4 ms returned sat
[2026-05-26 07:41:24] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2026-05-26 07:41:24] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:41:24] [INFO ] [Nat]Absence check using 12 positive place invariants in 4 ms returned sat
[2026-05-26 07:41:24] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2026-05-26 07:41:24] [INFO ] [Nat]Added 12 Read/Feed constraints in 144 ms returned sat
[2026-05-26 07:41:24] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-26 07:41:24] [INFO ] Added : 47 causal constraints over 12 iterations in 109 ms. Result :sat
Minimization took 34 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2000, 2001, 2001, 2001, 2001, 2001, 2001, 2000, 2001, 2001, 2001, 2002] Max Struct:[2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003]
FORMULA JoinFreeModules-PT-2000-UpperBounds-13 2003 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2000, 2001, 2001, 2001, 2001, 2001, 2001, 2000, 2001, 2001, 2001] Max Struct:[2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003]
Support contains 11 out of 60 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 60/60 places, 96/96 transitions.
Graph (complete) has 144 edges and 60 vertex of which 55 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.1 ms
Discarding 5 places :
Also discarding 8 output transitions
Drop transitions (Output transitions of discarded places.) removed 8 transitions
Applied a total of 1 rules in 4 ms. Remains 55 /60 variables (removed 5) and now considering 88/96 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 55/60 places, 88/96 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14247347507920590001.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3170250625072169728.kers'
[2026-05-26 07:42:20] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14247347507920590001.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3170250625072169728.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 88 rows 55 cols 220 entries
Finished phase 1 with 44 SingleSign rule and 0 generalized
[2026-05-26 07:42:20] [INFO ] Computed 11 invariants in 0 ms
Computed 11 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-3170250625072169728.kers
Total runtime 2 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[2000, 2001, 2001, 2001, 2001, 2001, 2001, 2000, 2001, 2001, 2001] Max Struct:[2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003]
RANDOM walk for 1000291 steps (2 resets) in 779 ms. (1282 steps per ms)
BEST_FIRST walk for 11000011 steps (22 resets) in 10905 ms. (1008 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2000, 2001, 2001, 2001, 2001, 2001, 2002, 2000, 2001, 2001, 2001] Max Struct:[2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003]
[2026-05-26 07:42:31] [INFO ] Invariant cache hit.
[2026-05-26 07:42:31] [INFO ] [Real]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-26 07:42:31] [INFO ] [Real]Absence check using state equation in 45 ms returned sat
[2026-05-26 07:42:31] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:42:31] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 07:42:31] [INFO ] [Nat]Absence check using state equation in 41 ms returned sat
[2026-05-26 07:42:31] [INFO ] State equation strengthened by 11 read => feed constraints.
[2026-05-26 07:42:32] [INFO ] [Nat]Added 11 Read/Feed constraints in 621 ms returned sat
[2026-05-26 07:42:32] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-26 07:42:32] [INFO ] Added : 35 causal constraints over 9 iterations in 169 ms. Result :sat
Minimization took 31 ms.
[2026-05-26 07:42:32] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 07:42:32] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2026-05-26 07:42:32] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:42:32] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 07:42:32] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2026-05-26 07:42:33] [INFO ] [Nat]Added 11 Read/Feed constraints in 540 ms returned sat
[2026-05-26 07:42:33] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-26 07:42:33] [INFO ] Added : 48 causal constraints over 11 iterations in 104 ms. Result :sat
Minimization took 36 ms.
[2026-05-26 07:42:33] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 07:42:33] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2026-05-26 07:42:33] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:42:33] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 07:42:33] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2026-05-26 07:42:33] [INFO ] [Nat]Added 11 Read/Feed constraints in 58 ms returned sat
[2026-05-26 07:42:33] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-26 07:42:33] [INFO ] Added : 48 causal constraints over 10 iterations in 139 ms. Result :sat
Minimization took 34 ms.
[2026-05-26 07:42:34] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 07:42:34] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2026-05-26 07:42:34] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:42:34] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 07:42:34] [INFO ] [Nat]Absence check using state equation in 70 ms returned sat
[2026-05-26 07:42:34] [INFO ] [Nat]Added 11 Read/Feed constraints in 3 ms returned sat
[2026-05-26 07:42:34] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-26 07:42:34] [INFO ] Added : 26 causal constraints over 7 iterations in 411 ms. Result :sat
Minimization took 27 ms.
[2026-05-26 07:42:34] [INFO ] [Real]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-26 07:42:34] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2026-05-26 07:42:34] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:42:34] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 07:42:34] [INFO ] [Nat]Absence check using state equation in 139 ms returned sat
[2026-05-26 07:42:35] [INFO ] [Nat]Added 11 Read/Feed constraints in 251 ms returned sat
[2026-05-26 07:42:35] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-26 07:42:35] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 31 ms
[2026-05-26 07:42:35] [INFO ] Added : 34 causal constraints over 7 iterations in 232 ms. Result :sat
Minimization took 28 ms.
[2026-05-26 07:42:35] [INFO ] [Real]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-26 07:42:35] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2026-05-26 07:42:35] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:42:35] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 07:42:35] [INFO ] [Nat]Absence check using state equation in 39 ms returned sat
[2026-05-26 07:42:35] [INFO ] [Nat]Added 11 Read/Feed constraints in 83 ms returned sat
[2026-05-26 07:42:35] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-26 07:42:35] [INFO ] Added : 58 causal constraints over 12 iterations in 119 ms. Result :sat
Minimization took 39 ms.
[2026-05-26 07:42:35] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 07:42:35] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2026-05-26 07:42:35] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:42:35] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 07:42:35] [INFO ] [Nat]Absence check using state equation in 43 ms returned sat
[2026-05-26 07:42:36] [INFO ] [Nat]Added 11 Read/Feed constraints in 661 ms returned sat
[2026-05-26 07:42:36] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-26 07:42:36] [INFO ] Added : 38 causal constraints over 8 iterations in 78 ms. Result :sat
Minimization took 22 ms.
[2026-05-26 07:42:36] [INFO ] [Real]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-26 07:42:36] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2026-05-26 07:42:36] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:42:36] [INFO ] [Nat]Absence check using 11 positive place invariants in 3 ms returned sat
[2026-05-26 07:42:36] [INFO ] [Nat]Absence check using state equation in 42 ms returned sat
[2026-05-26 07:42:37] [INFO ] [Nat]Added 11 Read/Feed constraints in 936 ms returned sat
[2026-05-26 07:42:37] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-26 07:42:38] [INFO ] Added : 39 causal constraints over 10 iterations in 465 ms. Result :sat
Minimization took 30 ms.
[2026-05-26 07:42:38] [INFO ] [Real]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-26 07:42:38] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2026-05-26 07:42:38] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:42:38] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 07:42:38] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2026-05-26 07:42:38] [INFO ] [Nat]Added 11 Read/Feed constraints in 357 ms returned sat
[2026-05-26 07:42:38] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-26 07:42:38] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 41 ms
[2026-05-26 07:42:38] [INFO ] Added : 47 causal constraints over 10 iterations in 192 ms. Result :sat
Minimization took 25 ms.
[2026-05-26 07:42:39] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 07:42:39] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2026-05-26 07:42:39] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:42:39] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 07:42:39] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2026-05-26 07:42:39] [INFO ] [Nat]Added 11 Read/Feed constraints in 3 ms returned sat
[2026-05-26 07:42:39] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-26 07:42:39] [INFO ] Added : 52 causal constraints over 11 iterations in 150 ms. Result :sat
Minimization took 48 ms.
[2026-05-26 07:42:39] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 07:42:39] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2026-05-26 07:42:39] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:42:39] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 07:42:39] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2026-05-26 07:42:39] [INFO ] [Nat]Added 11 Read/Feed constraints in 507 ms returned sat
[2026-05-26 07:42:39] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-26 07:42:40] [INFO ] Added : 48 causal constraints over 10 iterations in 96 ms. Result :sat
Minimization took 33 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2000, 2001, 2001, 2001, 2001, 2001, 2002, 2000, 2001, 2001, 2001] Max Struct:[2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2000, 2001, 2001, 2001, 2001, 2001, 2002, 2000, 2001, 2001, 2001] Max Struct:[2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003]
Support contains 11 out of 55 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 55/55 places, 88/88 transitions.
Applied a total of 0 rules in 4 ms. Remains 55 /55 variables (removed 0) and now considering 88/88 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 55/55 places, 88/88 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 55/55 places, 88/88 transitions.
Applied a total of 0 rules in 3 ms. Remains 55 /55 variables (removed 0) and now considering 88/88 (removed 0) transitions.
[2026-05-26 07:43:24] [INFO ] Invariant cache hit.
[2026-05-26 07:43:24] [INFO ] Implicit Places using invariants in 36 ms returned []
[2026-05-26 07:43:24] [INFO ] Invariant cache hit.
[2026-05-26 07:43:24] [INFO ] State equation strengthened by 11 read => feed constraints.
[2026-05-26 07:43:24] [INFO ] Implicit Places using invariants and state equation in 66 ms returned []
Implicit Place search using SMT with State Equation took 104 ms to find 0 implicit places.
[2026-05-26 07:43:24] [INFO ] Redundant transitions in 2 ms returned []
Running 66 sub problems to find dead transitions.
[2026-05-26 07:43:24] [INFO ] Invariant cache hit.
[2026-05-26 07:43:24] [INFO ] State equation strengthened by 11 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/44 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 1 (OVERLAPS) 11/55 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 3 (OVERLAPS) 88/143 variables, 55/66 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/143 variables, 11/77 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/143 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 6 (OVERLAPS) 0/143 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 66 unsolved
No progress, stopping.
After SMT solving in domain Real declared 143/143 variables, and 77 constraints, problems are : Problem set: 0 solved, 66 unsolved in 2072 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 55/55 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 66/66 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 66 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/44 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 1 (OVERLAPS) 11/55 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 3 (OVERLAPS) 88/143 variables, 55/66 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/143 variables, 11/77 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/143 variables, 66/143 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 0/143 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 7 (OVERLAPS) 0/143 variables, 0/143 constraints. Problems are: Problem set: 0 solved, 66 unsolved
No progress, stopping.
After SMT solving in domain Int declared 143/143 variables, and 143 constraints, problems are : Problem set: 0 solved, 66 unsolved in 9885 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 55/55 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 66/66 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 11974ms problems are : Problem set: 0 solved, 66 unsolved
Search for dead transitions found 0 dead transitions in 11975ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12091 ms. Remains : 55/55 places, 88/88 transitions.
[2026-05-26 07:43:36] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2000, 2001, 2001, 2001, 2001, 2001, 2002, 2000, 2001, 2001, 2001] Max Struct:[2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003]
RANDOM walk for 1000202 steps (2 resets) in 793 ms. (1259 steps per ms)
BEST_FIRST walk for 11000011 steps (22 resets) in 10973 ms. (1002 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2000, 2001, 2001, 2001, 2001, 2001, 2002, 2000, 2001, 2001, 2001] Max Struct:[2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003]
[2026-05-26 07:43:47] [INFO ] Invariant cache hit.
[2026-05-26 07:43:47] [INFO ] [Real]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-26 07:43:48] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2026-05-26 07:43:48] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:43:48] [INFO ] [Nat]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-26 07:43:48] [INFO ] [Nat]Absence check using state equation in 43 ms returned sat
[2026-05-26 07:43:48] [INFO ] State equation strengthened by 11 read => feed constraints.
[2026-05-26 07:43:48] [INFO ] [Nat]Added 11 Read/Feed constraints in 619 ms returned sat
[2026-05-26 07:43:48] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-26 07:43:48] [INFO ] Added : 35 causal constraints over 9 iterations in 168 ms. Result :sat
Minimization took 29 ms.
[2026-05-26 07:43:48] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 07:43:49] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2026-05-26 07:43:49] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:43:49] [INFO ] [Nat]Absence check using 11 positive place invariants in 3 ms returned sat
[2026-05-26 07:43:49] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2026-05-26 07:43:49] [INFO ] [Nat]Added 11 Read/Feed constraints in 538 ms returned sat
[2026-05-26 07:43:49] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-26 07:43:49] [INFO ] Added : 48 causal constraints over 11 iterations in 104 ms. Result :sat
Minimization took 34 ms.
[2026-05-26 07:43:49] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 07:43:49] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2026-05-26 07:43:49] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:43:49] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 07:43:49] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2026-05-26 07:43:49] [INFO ] [Nat]Added 11 Read/Feed constraints in 44 ms returned sat
[2026-05-26 07:43:49] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-26 07:43:50] [INFO ] Added : 48 causal constraints over 10 iterations in 140 ms. Result :sat
Minimization took 34 ms.
[2026-05-26 07:43:50] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 07:43:50] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2026-05-26 07:43:50] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:43:50] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 07:43:50] [INFO ] [Nat]Absence check using state equation in 75 ms returned sat
[2026-05-26 07:43:50] [INFO ] [Nat]Added 11 Read/Feed constraints in 3 ms returned sat
[2026-05-26 07:43:50] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-26 07:43:50] [INFO ] Added : 26 causal constraints over 7 iterations in 406 ms. Result :sat
Minimization took 27 ms.
[2026-05-26 07:43:50] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 07:43:50] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2026-05-26 07:43:50] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:43:50] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 07:43:50] [INFO ] [Nat]Absence check using state equation in 133 ms returned sat
[2026-05-26 07:43:51] [INFO ] [Nat]Added 11 Read/Feed constraints in 251 ms returned sat
[2026-05-26 07:43:51] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-26 07:43:51] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 32 ms
[2026-05-26 07:43:51] [INFO ] Added : 34 causal constraints over 7 iterations in 233 ms. Result :sat
Minimization took 28 ms.
[2026-05-26 07:43:51] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 07:43:51] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2026-05-26 07:43:51] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:43:51] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 07:43:51] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2026-05-26 07:43:51] [INFO ] [Nat]Added 11 Read/Feed constraints in 82 ms returned sat
[2026-05-26 07:43:51] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-26 07:43:51] [INFO ] Added : 58 causal constraints over 12 iterations in 116 ms. Result :sat
Minimization took 38 ms.
[2026-05-26 07:43:51] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 07:43:51] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2026-05-26 07:43:51] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:43:51] [INFO ] [Nat]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-26 07:43:52] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2026-05-26 07:43:52] [INFO ] [Nat]Added 11 Read/Feed constraints in 659 ms returned sat
[2026-05-26 07:43:52] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-26 07:43:52] [INFO ] Added : 38 causal constraints over 8 iterations in 79 ms. Result :sat
Minimization took 22 ms.
[2026-05-26 07:43:52] [INFO ] [Real]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-26 07:43:52] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2026-05-26 07:43:52] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:43:52] [INFO ] [Nat]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-26 07:43:52] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2026-05-26 07:43:53] [INFO ] [Nat]Added 11 Read/Feed constraints in 937 ms returned sat
[2026-05-26 07:43:53] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-26 07:43:54] [INFO ] Added : 39 causal constraints over 10 iterations in 468 ms. Result :sat
Minimization took 30 ms.
[2026-05-26 07:43:54] [INFO ] [Real]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-26 07:43:54] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2026-05-26 07:43:54] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:43:54] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 07:43:54] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2026-05-26 07:43:54] [INFO ] [Nat]Added 11 Read/Feed constraints in 351 ms returned sat
[2026-05-26 07:43:54] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-26 07:43:55] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 38 ms
[2026-05-26 07:43:55] [INFO ] Added : 47 causal constraints over 10 iterations in 180 ms. Result :sat
Minimization took 25 ms.
[2026-05-26 07:43:55] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 07:43:55] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2026-05-26 07:43:55] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:43:55] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 07:43:55] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2026-05-26 07:43:55] [INFO ] [Nat]Added 11 Read/Feed constraints in 4 ms returned sat
[2026-05-26 07:43:55] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-26 07:43:55] [INFO ] Added : 52 causal constraints over 11 iterations in 151 ms. Result :sat
Minimization took 48 ms.
[2026-05-26 07:43:55] [INFO ] [Real]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-26 07:43:55] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2026-05-26 07:43:55] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:43:55] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 07:43:55] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2026-05-26 07:43:56] [INFO ] [Nat]Added 11 Read/Feed constraints in 508 ms returned sat
[2026-05-26 07:43:56] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-26 07:43:56] [INFO ] Added : 48 causal constraints over 10 iterations in 96 ms. Result :sat
Minimization took 34 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2000, 2001, 2001, 2001, 2001, 2001, 2002, 2000, 2001, 2001, 2001] Max Struct:[2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2000, 2001, 2001, 2001, 2001, 2001, 2002, 2000, 2001, 2001, 2001] Max Struct:[2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003, 2003]
Support contains 11 out of 55 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 55/55 places, 88/88 transitions.
Applied a total of 0 rules in 3 ms. Remains 55 /55 variables (removed 0) and now considering 88/88 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 55/55 places, 88/88 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 55/55 places, 88/88 transitions.
Applied a total of 0 rules in 3 ms. Remains 55 /55 variables (removed 0) and now considering 88/88 (removed 0) transitions.
[2026-05-26 07:44:40] [INFO ] Invariant cache hit.
[2026-05-26 07:44:40] [INFO ] Implicit Places using invariants in 28 ms returned []
[2026-05-26 07:44:40] [INFO ] Invariant cache hit.
[2026-05-26 07:44:40] [INFO ] State equation strengthened by 11 read => feed constraints.
[2026-05-26 07:44:40] [INFO ] Implicit Places using invariants and state equation in 79 ms returned []
Implicit Place search using SMT with State Equation took 113 ms to find 0 implicit places.
[2026-05-26 07:44:40] [INFO ] Redundant transitions in 3 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 124 ms. Remains : 55/55 places, 88/88 transitions.
RANDOM walk for 41032 steps (8 resets) in 102 ms. (398 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 44 ms. (88 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 39 ms. (100 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 34 ms. (114 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 39 ms. (100 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 36 ms. (108 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 39 ms. (100 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 36 ms. (108 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 36 ms. (108 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 42 ms. (93 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 32 ms. (121 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 37 ms. (105 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 34 ms. (114 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 38 ms. (102 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 31 ms. (125 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 31 ms. (125 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 37 ms. (105 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 22/22 properties
[2026-05-26 07:44:40] [INFO ] Flatten gal took : 59 ms
[2026-05-26 07:44:40] [INFO ] Flatten gal took : 24 ms
[2026-05-26 07:44:40] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5894411382275077031.gal : 12 ms
[2026-05-26 07:44:40] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7377798598836746413.prop : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality5894411382275077031.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7377798598836746413.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality7377798598836746413.prop.
SDD proceeding with computation,22 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,22 properties remain. new max is 8
SDD size :8 after 25
SDD proceeding with computation,22 properties remain. new max is 16
SDD size :25 after 76
SDD proceeding with computation,22 properties remain. new max is 32
SDD size :76 after 246
SDD proceeding with computation,22 properties remain. new max is 64
SDD size :246 after 851
SDD proceeding with computation,22 properties remain. new max is 128
SDD size :851 after 3104
SDD proceeding with computation,22 properties remain. new max is 256
SDD size :3104 after 11747
Interrupted probabilistic random walk after 125829 steps, run timeout after 3001 ms. (steps per millisecond=41 ) properties seen :0 out of 22
Probabilistic random walk after 125829 steps, saw 118480 distinct states, run finished after 3008 ms. (steps per millisecond=41 ) properties seen :0
[2026-05-26 07:44:43] [INFO ] Invariant cache hit.
[2026-05-26 07:44:43] [INFO ] State equation strengthened by 11 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (OVERLAPS) 44/55 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 22 unsolved
Problem MAX0 is UNSAT
Problem MAX1 is UNSAT
Problem MAX2 is UNSAT
Problem MAX3 is UNSAT
Problem MAX7 is UNSAT
Problem MAX8 is UNSAT
Problem MAX9 is UNSAT
Problem MAX10 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 8/19 constraints. Problems are: Problem set: 8 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/55 variables, 0/19 constraints. Problems are: Problem set: 8 solved, 14 unsolved
At refinement iteration 4 (OVERLAPS) 88/143 variables, 55/74 constraints. Problems are: Problem set: 8 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/143 variables, 11/85 constraints. Problems are: Problem set: 8 solved, 14 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 0/85 constraints. Problems are: Problem set: 8 solved, 14 unsolved
At refinement iteration 7 (OVERLAPS) 0/143 variables, 0/85 constraints. Problems are: Problem set: 8 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Real declared 143/143 variables, and 85 constraints, problems are : Problem set: 8 solved, 14 unsolved in 736 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 55/55 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 8 solved, 14 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 8 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 44/55 variables, 11/11 constraints. Problems are: Problem set: 8 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 8/19 constraints. Problems are: Problem set: 8 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/55 variables, 0/19 constraints. Problems are: Problem set: 8 solved, 14 unsolved
At refinement iteration 4 (OVERLAPS) 88/143 variables, 55/74 constraints. Problems are: Problem set: 8 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/143 variables, 11/85 constraints. Problems are: Problem set: 8 solved, 14 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 14/99 constraints. Problems are: Problem set: 8 solved, 14 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 143/143 variables, and 99 constraints, problems are : Problem set: 8 solved, 14 unsolved in 5007 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 55/55 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 14/22 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5749ms problems are : Problem set: 8 solved, 14 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 11 out of 55 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 55/55 places, 88/88 transitions.
Applied a total of 0 rules in 3 ms. Remains 55 /55 variables (removed 0) and now considering 88/88 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 55/55 places, 88/88 transitions.
RANDOM walk for 41492 steps (8 resets) in 69 ms. (592 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 131 ms. (303 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 103 ms. (384 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 68 ms. (579 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 63 ms. (625 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 80 ms. (493 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 91 ms. (434 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 80 ms. (493 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 76 ms. (519 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 79 ms. (500 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 78 ms. (506 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 85 ms. (465 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 75 ms. (526 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 84 ms. (470 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 83 ms. (476 steps per ms) remains 14/14 properties
Interrupted probabilistic random walk after 151544 steps, run timeout after 3001 ms. (steps per millisecond=50 ) properties seen :0 out of 14
Probabilistic random walk after 151544 steps, saw 142441 distinct states, run finished after 3001 ms. (steps per millisecond=50 ) properties seen :0
[2026-05-26 07:44:52] [INFO ] Invariant cache hit.
[2026-05-26 07:44:52] [INFO ] State equation strengthened by 11 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 44/55 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 14 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 88/143 variables, 55/66 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/143 variables, 11/77 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/143 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (OVERLAPS) 0/143 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Real declared 143/143 variables, and 77 constraints, problems are : Problem set: 0 solved, 14 unsolved in 331 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 55/55 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 14 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 44/55 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 14 unsolved
Problem MAX5 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 3/14 constraints. Problems are: Problem set: 1 solved, 13 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/55 variables, 0/14 constraints. Problems are: Problem set: 1 solved, 13 unsolved
At refinement iteration 4 (OVERLAPS) 88/143 variables, 55/69 constraints. Problems are: Problem set: 1 solved, 13 unsolved
SDD proceeding with computation,22 properties remain. new max is 512
SDD size :11747 after 45500
At refinement iteration 5 (INCLUDED_ONLY) 0/143 variables, 11/80 constraints. Problems are: Problem set: 1 solved, 13 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 13/93 constraints. Problems are: Problem set: 1 solved, 13 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/143 variables, 0/93 constraints. Problems are: Problem set: 1 solved, 13 unsolved
At refinement iteration 8 (OVERLAPS) 0/143 variables, 0/93 constraints. Problems are: Problem set: 1 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Int declared 143/143 variables, and 93 constraints, problems are : Problem set: 1 solved, 13 unsolved in 8403 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 55/55 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 13/14 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8748ms problems are : Problem set: 1 solved, 13 unsolved
Fused 13 Parikh solutions to 1 different solutions.
Detected timeout of ITS tools.
[2026-05-26 07:45:31] [INFO ] Flatten gal took : 31 ms
[2026-05-26 07:45:31] [INFO ] Applying decomposition
[2026-05-26 07:45:31] [INFO ] Flatten gal took : 28 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph6614314203171571681.txt' '-o' '/tmp/graph6614314203171571681.bin' '-w' '/tmp/graph6614314203171571681.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph6614314203171571681.bin' '-l' '-1' '-v' '-w' '/tmp/graph6614314203171571681.weights' '-q' '0' '-e' '0.001'
[2026-05-26 07:45:31] [INFO ] Decomposing Gal with order
[2026-05-26 07:45:31] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 07:45:31] [INFO ] Flatten gal took : 8 ms
[2026-05-26 07:45:31] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-26 07:45:31] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3271150575906380573.gal : 7 ms
[2026-05-26 07:45:31] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2710746054491351339.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality3271150575906380573.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2710746054491351339.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality2710746054491351339.prop.
SDD proceeding with computation,13 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,13 properties remain. new max is 8
SDD size :8 after 25
SDD proceeding with computation,13 properties remain. new max is 16
SDD size :25 after 76
SDD proceeding with computation,13 properties remain. new max is 32
SDD size :76 after 246
SDD proceeding with computation,13 properties remain. new max is 64
SDD size :246 after 851
Parikh walk visited 3 properties in 30001 ms.
Support contains 9 out of 55 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 55/55 places, 88/88 transitions.
Graph (complete) has 132 edges and 55 vertex of which 45 are kept as prefixes of interest. Removing 10 places using SCC suffix rule.0 ms
Discarding 10 places :
Also discarding 16 output transitions
Drop transitions (Output transitions of discarded places.) removed 16 transitions
Applied a total of 1 rules in 3 ms. Remains 45 /55 variables (removed 10) and now considering 72/88 (removed 16) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 45/55 places, 72/88 transitions.
SDD proceeding with computation,13 properties remain. new max is 128
SDD size :851 after 3104
RANDOM walk for 41291 steps (8 resets) in 36 ms. (1115 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 48 ms. (816 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 58 ms. (678 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 50 ms. (784 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 50 ms. (784 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 50 ms. (784 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 56 ms. (701 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 93 ms. (425 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 56 ms. (701 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 58 ms. (678 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 50 ms. (784 steps per ms) remains 10/10 properties
SDD proceeding with computation,13 properties remain. new max is 256
SDD size :3104 after 11747
Interrupted probabilistic random walk after 174540 steps, run timeout after 3001 ms. (steps per millisecond=58 ) properties seen :0 out of 10
Probabilistic random walk after 174540 steps, saw 161800 distinct states, run finished after 3001 ms. (steps per millisecond=58 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11998876769188357210.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8132810175437524498.kers'
[2026-05-26 07:45:34] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11998876769188357210.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8132810175437524498.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 72 rows 45 cols 180 entries
Finished phase 1 with 36 SingleSign rule and 0 generalized
[2026-05-26 07:45:34] [INFO ] Computed 9 invariants in 0 ms
Computed 9 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-8132810175437524498.kers
Total runtime 1 ms.
[2026-05-26 07:45:34] [INFO ] State equation strengthened by 9 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 36/45 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 10 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 72/117 variables, 45/54 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/117 variables, 9/63 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/117 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (OVERLAPS) 0/117 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 117/117 variables, and 63 constraints, problems are : Problem set: 0 solved, 10 unsolved in 228 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 45/45 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 10 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 36/45 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 3/12 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/45 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (OVERLAPS) 72/117 variables, 45/57 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/117 variables, 9/66 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/117 variables, 10/76 constraints. Problems are: Problem set: 0 solved, 10 unsolved
SDD proceeding with computation,13 properties remain. new max is 512
SDD size :11747 after 45500
At refinement iteration 7 (INCLUDED_ONLY) 0/117 variables, 4/80 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/117 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 9 (OVERLAPS) 0/117 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Int declared 117/117 variables, and 80 constraints, problems are : Problem set: 0 solved, 10 unsolved in 11843 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 45/45 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 12083ms problems are : Problem set: 0 solved, 10 unsolved
Fused 10 Parikh solutions to 1 different solutions.
Parikh walk visited 2 properties in 30000 ms.
Support contains 8 out of 45 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 45/45 places, 72/72 transitions.
Graph (complete) has 108 edges and 45 vertex of which 40 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.1 ms
Discarding 5 places :
Also discarding 8 output transitions
Drop transitions (Output transitions of discarded places.) removed 8 transitions
Applied a total of 1 rules in 4 ms. Remains 40 /45 variables (removed 5) and now considering 64/72 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 40/45 places, 64/72 transitions.
RANDOM walk for 41236 steps (8 resets) in 36 ms. (1114 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 54 ms. (727 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 48 ms. (816 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 40 ms. (975 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 34 ms. (1142 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 56 ms. (701 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 59 ms. (666 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 53 ms. (740 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 47 ms. (833 steps per ms) remains 8/8 properties
Interrupted probabilistic random walk after 202843 steps, run timeout after 3001 ms. (steps per millisecond=67 ) properties seen :0 out of 8
Probabilistic random walk after 202843 steps, saw 185483 distinct states, run finished after 3001 ms. (steps per millisecond=67 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10883957345935137790.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15126263603296368672.kers'
[2026-05-26 07:46:20] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10883957345935137790.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15126263603296368672.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 64 rows 40 cols 160 entries
Finished phase 1 with 32 SingleSign rule and 0 generalized
[2026-05-26 07:46:20] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-15126263603296368672.kers
Total runtime 2 ms.
[2026-05-26 07:46:20] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 32/40 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 8 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 64/104 variables, 40/48 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/104 variables, 8/56 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/104 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (OVERLAPS) 0/104 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 104/104 variables, and 56 constraints, problems are : Problem set: 0 solved, 8 unsolved in 160 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 40/40 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 32/40 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/40 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (OVERLAPS) 64/104 variables, 40/49 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/104 variables, 8/57 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Detected timeout of ITS tools.
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 8/65 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 4/69 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/104 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (OVERLAPS) 0/104 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Int declared 104/104 variables, and 69 constraints, problems are : Problem set: 0 solved, 8 unsolved in 4443 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 40/40 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4615ms problems are : Problem set: 0 solved, 8 unsolved
Fused 8 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 22356 ms.
Support contains 8 out of 40 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 40/40 places, 64/64 transitions.
Applied a total of 0 rules in 3 ms. Remains 40 /40 variables (removed 0) and now considering 64/64 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 40/40 places, 64/64 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 40/40 places, 64/64 transitions.
Applied a total of 0 rules in 2 ms. Remains 40 /40 variables (removed 0) and now considering 64/64 (removed 0) transitions.
[2026-05-26 07:46:47] [INFO ] Invariant cache hit.
[2026-05-26 07:46:47] [INFO ] Implicit Places using invariants in 30 ms returned []
[2026-05-26 07:46:47] [INFO ] Invariant cache hit.
[2026-05-26 07:46:47] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-26 07:46:47] [INFO ] Implicit Places using invariants and state equation in 57 ms returned []
Implicit Place search using SMT with State Equation took 89 ms to find 0 implicit places.
[2026-05-26 07:46:47] [INFO ] Redundant transitions in 1 ms returned []
Running 48 sub problems to find dead transitions.
[2026-05-26 07:46:47] [INFO ] Invariant cache hit.
[2026-05-26 07:46:47] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (OVERLAPS) 8/40 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (OVERLAPS) 64/104 variables, 40/48 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/104 variables, 8/56 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/104 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (OVERLAPS) 0/104 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Real declared 104/104 variables, and 56 constraints, problems are : Problem set: 0 solved, 48 unsolved in 1325 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 40/40 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 48 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (OVERLAPS) 8/40 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (OVERLAPS) 64/104 variables, 40/48 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/104 variables, 8/56 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/104 variables, 48/104 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 7 (OVERLAPS) 0/104 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Int declared 104/104 variables, and 104 constraints, problems are : Problem set: 0 solved, 48 unsolved in 5715 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 40/40 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7047ms problems are : Problem set: 0 solved, 48 unsolved
Search for dead transitions found 0 dead transitions in 7048ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7147 ms. Remains : 40/40 places, 64/64 transitions.
FORMULA JoinFreeModules-PT-2000-UpperBounds-06 2003 TECHNIQUES REACHABILITY_MAX
FORMULA JoinFreeModules-PT-2000-UpperBounds-08 2003 TECHNIQUES REACHABILITY_MAX
FORMULA JoinFreeModules-PT-2000-UpperBounds-01 2002 TECHNIQUES REACHABILITY
Current structural bounds on expressions (after reachability check) : Max Seen:[2000, 2001, 2001, 2001, 2000, 2001, 2001, 2001] Max Struct:[2002, 2002, 2002, 2002, 2002, 2002, 2002, 2002]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6823385948827787409.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10165927378533732561.kers'
[2026-05-26 07:46:54] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6823385948827787409.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10165927378533732561.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 88 rows 55 cols 220 entries
Finished phase 1 with 44 SingleSign rule and 0 generalized
[2026-05-26 07:46:54] [INFO ] Computed 11 invariants in 0 ms
Computed 11 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-10165927378533732561.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[2000, 2001, 2001, 2001, 2000, 2001, 2001, 2001] Max Struct:[2002, 2002, 2002, 2002, 2002, 2002, 2002, 2002]
RANDOM walk for 1001123 steps (2 resets) in 798 ms. (1252 steps per ms)
BEST_FIRST walk for 8000008 steps (16 resets) in 8031 ms. (996 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2000, 2001, 2001, 2001, 2000, 2001, 2001, 2001] Max Struct:[2002, 2002, 2002, 2002, 2002, 2002, 2002, 2002]
[2026-05-26 07:47:03] [INFO ] Invariant cache hit.
[2026-05-26 07:47:03] [INFO ] [Real]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-26 07:47:03] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2026-05-26 07:47:03] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:47:03] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 07:47:03] [INFO ] [Nat]Absence check using state equation in 43 ms returned sat
[2026-05-26 07:47:03] [INFO ] State equation strengthened by 11 read => feed constraints.
[2026-05-26 07:47:03] [INFO ] [Nat]Added 11 Read/Feed constraints in 621 ms returned sat
[2026-05-26 07:47:03] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 9 ms.
[2026-05-26 07:47:03] [INFO ] Added : 35 causal constraints over 9 iterations in 196 ms. Result :sat
Minimization took 30 ms.
[2026-05-26 07:47:04] [INFO ] [Real]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-26 07:47:04] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2026-05-26 07:47:04] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:47:04] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 07:47:04] [INFO ] [Nat]Absence check using state equation in 40 ms returned sat
[2026-05-26 07:47:04] [INFO ] [Nat]Added 11 Read/Feed constraints in 46 ms returned sat
[2026-05-26 07:47:04] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-26 07:47:04] [INFO ] Added : 48 causal constraints over 10 iterations in 159 ms. Result :sat
Minimization took 35 ms.
[2026-05-26 07:47:04] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 07:47:04] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2026-05-26 07:47:04] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:47:04] [INFO ] [Nat]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-26 07:47:04] [INFO ] [Nat]Absence check using state equation in 74 ms returned sat
[2026-05-26 07:47:04] [INFO ] [Nat]Added 11 Read/Feed constraints in 3 ms returned sat
[2026-05-26 07:47:04] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-26 07:47:05] [INFO ] Added : 26 causal constraints over 7 iterations in 408 ms. Result :sat
Minimization took 26 ms.
[2026-05-26 07:47:05] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 07:47:05] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2026-05-26 07:47:05] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:47:05] [INFO ] [Nat]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-26 07:47:05] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2026-05-26 07:47:05] [INFO ] [Nat]Added 11 Read/Feed constraints in 84 ms returned sat
[2026-05-26 07:47:05] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-26 07:47:05] [INFO ] Added : 58 causal constraints over 12 iterations in 117 ms. Result :sat
Minimization took 38 ms.
[2026-05-26 07:47:05] [INFO ] [Real]Absence check using 11 positive place invariants in 3 ms returned sat
[2026-05-26 07:47:05] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2026-05-26 07:47:05] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:47:05] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 07:47:05] [INFO ] [Nat]Absence check using state equation in 42 ms returned sat
[2026-05-26 07:47:06] [INFO ] [Nat]Added 11 Read/Feed constraints in 932 ms returned sat
[2026-05-26 07:47:06] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 9 ms.
[2026-05-26 07:47:07] [INFO ] Added : 39 causal constraints over 10 iterations in 486 ms. Result :sat
Minimization took 30 ms.
[2026-05-26 07:47:07] [INFO ] [Real]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-26 07:47:07] [INFO ] [Real]Absence check using state equation in 41 ms returned sat
[2026-05-26 07:47:07] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:47:07] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 07:47:07] [INFO ] [Nat]Absence check using state equation in 38 ms returned sat
[2026-05-26 07:47:07] [INFO ] [Nat]Added 11 Read/Feed constraints in 353 ms returned sat
[2026-05-26 07:47:07] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 9 ms.
[2026-05-26 07:47:07] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 44 ms
[2026-05-26 07:47:07] [INFO ] Added : 47 causal constraints over 10 iterations in 207 ms. Result :sat
Minimization took 25 ms.
[2026-05-26 07:47:07] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 07:47:07] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2026-05-26 07:47:07] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:47:07] [INFO ] [Nat]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-26 07:47:07] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2026-05-26 07:47:07] [INFO ] [Nat]Added 11 Read/Feed constraints in 4 ms returned sat
[2026-05-26 07:47:07] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-26 07:47:08] [INFO ] Added : 52 causal constraints over 11 iterations in 150 ms. Result :sat
Minimization took 48 ms.
[2026-05-26 07:47:08] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 07:47:08] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2026-05-26 07:47:08] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:47:08] [INFO ] [Nat]Absence check using 11 positive place invariants in 3 ms returned sat
[2026-05-26 07:47:08] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2026-05-26 07:47:08] [INFO ] [Nat]Added 11 Read/Feed constraints in 508 ms returned sat
[2026-05-26 07:47:08] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-26 07:47:08] [INFO ] Added : 48 causal constraints over 10 iterations in 94 ms. Result :sat
Minimization took 34 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2000, 2001, 2001, 2001, 2000, 2001, 2001, 2001] Max Struct:[2002, 2002, 2002, 2002, 2002, 2002, 2002, 2002]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2000, 2001, 2001, 2001, 2000, 2001, 2001, 2001] Max Struct:[2002, 2002, 2002, 2002, 2002, 2002, 2002, 2002]
Support contains 8 out of 55 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 55/55 places, 88/88 transitions.
Graph (complete) has 132 edges and 55 vertex of which 40 are kept as prefixes of interest. Removing 15 places using SCC suffix rule.1 ms
Discarding 15 places :
Also discarding 24 output transitions
Drop transitions (Output transitions of discarded places.) removed 24 transitions
Applied a total of 1 rules in 3 ms. Remains 40 /55 variables (removed 15) and now considering 64/88 (removed 24) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 40/55 places, 64/88 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2206224554195587351.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6492964500965890846.kers'
[2026-05-26 07:47:39] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2206224554195587351.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6492964500965890846.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 64 rows 40 cols 160 entries
Finished phase 1 with 32 SingleSign rule and 0 generalized
[2026-05-26 07:47:39] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-6492964500965890846.kers
Total runtime 0 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[2000, 2001, 2001, 2001, 2000, 2001, 2001, 2001] Max Struct:[2002, 2002, 2002, 2002, 2002, 2002, 2002, 2002]
RANDOM walk for 1000322 steps (2 resets) in 616 ms. (1621 steps per ms)
BEST_FIRST walk for 8000008 steps (16 resets) in 6084 ms. (1314 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2000, 2001, 2001, 2001, 2000, 2001, 2001, 2001] Max Struct:[2002, 2002, 2002, 2002, 2002, 2002, 2002, 2002]
[2026-05-26 07:47:45] [INFO ] Invariant cache hit.
[2026-05-26 07:47:45] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-26 07:47:45] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2026-05-26 07:47:45] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:47:45] [INFO ] [Nat]Absence check using 8 positive place invariants in 4 ms returned sat
[2026-05-26 07:47:45] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2026-05-26 07:47:45] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-26 07:47:46] [INFO ] [Nat]Added 8 Read/Feed constraints in 128 ms returned sat
[2026-05-26 07:47:46] [INFO ] Computed and/alt/rep : 48/120/48 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-26 07:47:46] [INFO ] Added : 27 causal constraints over 6 iterations in 70 ms. Result :sat
Minimization took 28 ms.
[2026-05-26 07:47:46] [INFO ] [Real]Absence check using 8 positive place invariants in 4 ms returned sat
[2026-05-26 07:47:46] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2026-05-26 07:47:46] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:47:46] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-26 07:47:46] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2026-05-26 07:47:46] [INFO ] [Nat]Added 8 Read/Feed constraints in 3 ms returned sat
[2026-05-26 07:47:46] [INFO ] Computed and/alt/rep : 48/120/48 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-26 07:47:46] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 32 ms
[2026-05-26 07:47:46] [INFO ] Added : 40 causal constraints over 9 iterations in 107 ms. Result :sat
Minimization took 28 ms.
[2026-05-26 07:47:46] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-26 07:47:46] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2026-05-26 07:47:46] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:47:46] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2026-05-26 07:47:46] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2026-05-26 07:47:46] [INFO ] [Nat]Added 8 Read/Feed constraints in 3 ms returned sat
[2026-05-26 07:47:46] [INFO ] Computed and/alt/rep : 48/120/48 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-26 07:47:46] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 75 ms
[2026-05-26 07:47:46] [INFO ] Added : 33 causal constraints over 9 iterations in 286 ms. Result :sat
Minimization took 26 ms.
[2026-05-26 07:47:46] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-26 07:47:46] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2026-05-26 07:47:46] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:47:46] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-26 07:47:46] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2026-05-26 07:47:46] [INFO ] [Nat]Added 8 Read/Feed constraints in 3 ms returned sat
[2026-05-26 07:47:46] [INFO ] Computed and/alt/rep : 48/120/48 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-26 07:47:47] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 37 ms
[2026-05-26 07:47:47] [INFO ] Added : 35 causal constraints over 8 iterations in 107 ms. Result :sat
Minimization took 26 ms.
[2026-05-26 07:47:47] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-26 07:47:47] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2026-05-26 07:47:47] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:47:47] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-26 07:47:47] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2026-05-26 07:47:47] [INFO ] [Nat]Added 8 Read/Feed constraints in 88 ms returned sat
[2026-05-26 07:47:47] [INFO ] Computed and/alt/rep : 48/120/48 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-26 07:47:47] [INFO ] Added : 31 causal constraints over 9 iterations in 99 ms. Result :sat
Minimization took 23 ms.
[2026-05-26 07:47:47] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-26 07:47:47] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2026-05-26 07:47:47] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:47:47] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-26 07:47:47] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2026-05-26 07:47:47] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
[2026-05-26 07:47:47] [INFO ] Computed and/alt/rep : 48/120/48 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-26 07:47:47] [INFO ] Added : 41 causal constraints over 12 iterations in 90 ms. Result :sat
Minimization took 27 ms.
[2026-05-26 07:47:47] [INFO ] [Real]Absence check using 8 positive place invariants in 4 ms returned sat
[2026-05-26 07:47:47] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2026-05-26 07:47:47] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:47:47] [INFO ] [Nat]Absence check using 8 positive place invariants in 4 ms returned sat
[2026-05-26 07:47:47] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2026-05-26 07:47:47] [INFO ] [Nat]Added 8 Read/Feed constraints in 3 ms returned sat
[2026-05-26 07:47:47] [INFO ] Computed and/alt/rep : 48/120/48 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-26 07:47:47] [INFO ] Added : 39 causal constraints over 10 iterations in 78 ms. Result :sat
Minimization took 27 ms.
[2026-05-26 07:47:47] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-26 07:47:47] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2026-05-26 07:47:47] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:47:47] [INFO ] [Nat]Absence check using 8 positive place invariants in 4 ms returned sat
[2026-05-26 07:47:47] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2026-05-26 07:47:47] [INFO ] [Nat]Added 8 Read/Feed constraints in 3 ms returned sat
[2026-05-26 07:47:47] [INFO ] Computed and/alt/rep : 48/120/48 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-26 07:47:48] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 155 ms
[2026-05-26 07:47:48] [INFO ] Added : 39 causal constraints over 10 iterations in 252 ms. Result :sat
Minimization took 21 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2000, 2001, 2001, 2001, 2000, 2001, 2001, 2001] Max Struct:[2002, 2002, 2002, 2002, 2002, 2002, 2002, 2002]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2000, 2001, 2001, 2001, 2000, 2001, 2001, 2001] Max Struct:[2002, 2002, 2002, 2002, 2002, 2002, 2002, 2002]
Support contains 8 out of 40 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 40/40 places, 64/64 transitions.
Applied a total of 0 rules in 3 ms. Remains 40 /40 variables (removed 0) and now considering 64/64 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 40/40 places, 64/64 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 40/40 places, 64/64 transitions.
Applied a total of 0 rules in 2 ms. Remains 40 /40 variables (removed 0) and now considering 64/64 (removed 0) transitions.
[2026-05-26 07:48:04] [INFO ] Invariant cache hit.
[2026-05-26 07:48:04] [INFO ] Implicit Places using invariants in 25 ms returned []
[2026-05-26 07:48:04] [INFO ] Invariant cache hit.
[2026-05-26 07:48:04] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-26 07:48:04] [INFO ] Implicit Places using invariants and state equation in 51 ms returned []
Implicit Place search using SMT with State Equation took 78 ms to find 0 implicit places.
[2026-05-26 07:48:04] [INFO ] Redundant transitions in 1 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 87 ms. Remains : 40/40 places, 64/64 transitions.
[2026-05-26 07:48:04] [INFO ] Flatten gal took : 7 ms
[2026-05-26 07:48:04] [INFO ] Flatten gal took : 6 ms
[2026-05-26 07:48:04] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9145049001591130734.gal : 2 ms
[2026-05-26 07:48:04] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9960058159071123026.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality9145049001591130734.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9960058159071123026.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 44159 steps (8 resets) in 42 ms. (1026 steps per ms) remains 16/16 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality9960058159071123026.prop.
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 16/16 properties
SDD proceeding with computation,16 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,16 properties remain. new max is 8
SDD size :8 after 25
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 16/16 properties
SDD proceeding with computation,16 properties remain. new max is 16
SDD size :25 after 76
SDD proceeding with computation,16 properties remain. new max is 32
SDD size :76 after 246
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 7 ms. (500 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 16/16 properties
SDD proceeding with computation,16 properties remain. new max is 64
BEST_FIRST walk for 4004 steps (8 resets) in 7 ms. (500 steps per ms) remains 16/16 properties
SDD size :246 after 851
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 16/16 properties
SDD proceeding with computation,16 properties remain. new max is 128
SDD size :851 after 3104
SDD proceeding with computation,16 properties remain. new max is 256
SDD size :3104 after 11747
Interrupted probabilistic random walk after 110818 steps, run timeout after 3001 ms. (steps per millisecond=36 ) properties seen :0 out of 16
Probabilistic random walk after 110818 steps, saw 102234 distinct states, run finished after 3001 ms. (steps per millisecond=36 ) properties seen :0
[2026-05-26 07:48:07] [INFO ] Invariant cache hit.
[2026-05-26 07:48:07] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (OVERLAPS) 32/40 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 3/11 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/40 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 64/104 variables, 40/51 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/104 variables, 8/59 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (OVERLAPS) 0/104 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 104/104 variables, and 59 constraints, problems are : Problem set: 0 solved, 16 unsolved in 602 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 40/40 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (OVERLAPS) 32/40 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 3/11 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/40 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/40 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (OVERLAPS) 64/104 variables, 40/53 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 16/77 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/104 variables, 1/78 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/104 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 10 (OVERLAPS) 0/104 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Int declared 104/104 variables, and 78 constraints, problems are : Problem set: 0 solved, 16 unsolved in 4959 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 40/40 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5566ms problems are : Problem set: 0 solved, 16 unsolved
Fused 16 Parikh solutions to 6 different solutions.
SDD proceeding with computation,16 properties remain. new max is 512
SDD size :11747 after 45500
Parikh walk visited 0 properties in 19452 ms.
Support contains 8 out of 40 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 40/40 places, 64/64 transitions.
Applied a total of 0 rules in 2 ms. Remains 40 /40 variables (removed 0) and now considering 64/64 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 40/40 places, 64/64 transitions.
RANDOM walk for 43285 steps (8 resets) in 32 ms. (1311 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 16/16 properties
Interrupted probabilistic random walk after 122417 steps, run timeout after 3001 ms. (steps per millisecond=40 ) properties seen :0 out of 16
Probabilistic random walk after 122417 steps, saw 112795 distinct states, run finished after 3001 ms. (steps per millisecond=40 ) properties seen :0
[2026-05-26 07:48:35] [INFO ] Invariant cache hit.
[2026-05-26 07:48:35] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (OVERLAPS) 32/40 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 3/11 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/40 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 64/104 variables, 40/51 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/104 variables, 8/59 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (OVERLAPS) 0/104 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 104/104 variables, and 59 constraints, problems are : Problem set: 0 solved, 16 unsolved in 642 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 40/40 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (OVERLAPS) 32/40 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 3/11 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/40 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/40 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (OVERLAPS) 64/104 variables, 40/53 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 16/77 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/104 variables, 1/78 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/104 variables, 1/79 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/104 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 11 (OVERLAPS) 0/104 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Int declared 104/104 variables, and 79 constraints, problems are : Problem set: 0 solved, 16 unsolved in 7192 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 40/40 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7839ms problems are : Problem set: 0 solved, 16 unsolved
Fused 16 Parikh solutions to 3 different solutions.
Parikh walk visited 0 properties in 10260 ms.
Support contains 8 out of 40 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 40/40 places, 64/64 transitions.
Applied a total of 0 rules in 3 ms. Remains 40 /40 variables (removed 0) and now considering 64/64 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 40/40 places, 64/64 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 40/40 places, 64/64 transitions.
Applied a total of 0 rules in 2 ms. Remains 40 /40 variables (removed 0) and now considering 64/64 (removed 0) transitions.
[2026-05-26 07:48:54] [INFO ] Invariant cache hit.
[2026-05-26 07:48:54] [INFO ] Implicit Places using invariants in 23 ms returned []
[2026-05-26 07:48:54] [INFO ] Invariant cache hit.
[2026-05-26 07:48:54] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-26 07:48:54] [INFO ] Implicit Places using invariants and state equation in 47 ms returned []
Implicit Place search using SMT with State Equation took 71 ms to find 0 implicit places.
[2026-05-26 07:48:54] [INFO ] Redundant transitions in 1 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 79 ms. Remains : 40/40 places, 64/64 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-26 07:48:54] [INFO ] Flatten gal took : 6 ms
[2026-05-26 07:48:54] [INFO ] Applying decomposition
[2026-05-26 07:48:54] [INFO ] Flatten gal took : 5 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph6005294320657578999.txt' '-o' '/tmp/graph6005294320657578999.bin' '-w' '/tmp/graph6005294320657578999.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph6005294320657578999.bin' '-l' '-1' '-v' '-w' '/tmp/graph6005294320657578999.weights' '-q' '0' '-e' '0.001'
[2026-05-26 07:48:54] [INFO ] Decomposing Gal with order
[2026-05-26 07:48:54] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 07:48:54] [INFO ] Flatten gal took : 5 ms
[2026-05-26 07:48:54] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-26 07:48:54] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17419932291421720462.gal : 2 ms
[2026-05-26 07:48:54] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15809677941987953070.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17419932291421720462.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15809677941987953070.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityCardinality15809677941987953070.prop.
SDD proceeding with computation,16 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,16 properties remain. new max is 8
SDD size :8 after 25
SDD proceeding with computation,16 properties remain. new max is 16
SDD size :25 after 76
SDD proceeding with computation,16 properties remain. new max is 32
SDD size :76 after 246
SDD proceeding with computation,16 properties remain. new max is 64
SDD size :246 after 851
SDD proceeding with computation,16 properties remain. new max is 128
SDD size :851 after 3104
SDD proceeding with computation,16 properties remain. new max is 256
SDD size :3104 after 11747
SDD proceeding with computation,16 properties remain. new max is 512
SDD size :11747 after 45500
Detected timeout of ITS tools.
Starting property specific reduction for JoinFreeModules-PT-2000-UpperBounds-00
Current structural bounds on expressions (Initially) : Max Seen:[2000] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[2000] Max Struct:[2002]
Current structural bounds on expressions (Before main loop) : Max Seen:[2000] Max Struct:[2002]
[2026-05-26 07:49:44] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2000] Max Struct:[2002]
RANDOM walk for 11009 steps (2 resets) in 7 ms. (1376 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2000] Max Struct:[2002]
[2026-05-26 07:49:44] [INFO ] Invariant cache hit.
[2026-05-26 07:49:44] [INFO ] [Real]Absence check using 8 positive place invariants in 2 ms returned sat
[2026-05-26 07:49:44] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2026-05-26 07:49:44] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:49:44] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-26 07:49:44] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2026-05-26 07:49:44] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-26 07:49:44] [INFO ] [Nat]Added 8 Read/Feed constraints in 119 ms returned sat
[2026-05-26 07:49:44] [INFO ] Computed and/alt/rep : 48/120/48 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-26 07:49:44] [INFO ] Added : 27 causal constraints over 6 iterations in 63 ms. Result :sat
Minimization took 26 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2000] Max Struct:[2002]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2000] Max Struct:[2002]
Support contains 1 out of 40 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 40/40 places, 64/64 transitions.
Graph (complete) has 96 edges and 40 vertex of which 5 are kept as prefixes of interest. Removing 35 places using SCC suffix rule.0 ms
Discarding 35 places :
Also discarding 56 output transitions
Drop transitions (Output transitions of discarded places.) removed 56 transitions
Applied a total of 1 rules in 1 ms. Remains 5 /40 variables (removed 35) and now considering 8/64 (removed 56) transitions.
Running 6 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11465089114200224859.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9478318816764701384.kers'
[2026-05-26 07:49:46] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11465089114200224859.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9478318816764701384.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 8 rows 5 cols 20 entries
Finished phase 1 with 4 SingleSign rule and 0 generalized
[2026-05-26 07:49:46] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-9478318816764701384.kers
Total runtime 3 ms.
[2026-05-26 07:49:46] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 6 unsolved in 90 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 13 constraints, problems are : Problem set: 0 solved, 6 unsolved in 91 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 190ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 190ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 191 ms. Remains : 5/40 places, 8/64 transitions.
[2026-05-26 07:49:46] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2000] Max Struct:[2002]
RANDOM walk for 1000143 steps (2 resets) in 127 ms. (7813 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 188 ms. (5291 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2000] Max Struct:[2002]
[2026-05-26 07:49:46] [INFO ] Invariant cache hit.
[2026-05-26 07:49:46] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 07:49:46] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2026-05-26 07:49:46] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-26 07:49:46] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-26 07:49:46] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:49:46] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 07:49:46] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2026-05-26 07:49:46] [INFO ] [Nat]Added 1 Read/Feed constraints in 2 ms returned sat
[2026-05-26 07:49:46] [INFO ] Computed and/alt/rep : 6/15/6 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-26 07:49:46] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 21 ms
[2026-05-26 07:49:46] [INFO ] Added : 5 causal constraints over 2 iterations in 29 ms. Result :sat
Minimization took 6 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2000] Max Struct:[2002]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2000] Max Struct:[2002]
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 5/5 places, 8/8 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2026-05-26 07:49:46] [INFO ] Invariant cache hit.
[2026-05-26 07:49:46] [INFO ] Implicit Places using invariants in 15 ms returned []
[2026-05-26 07:49:46] [INFO ] Invariant cache hit.
[2026-05-26 07:49:46] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-26 07:49:46] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 38 ms to find 0 implicit places.
[2026-05-26 07:49:46] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43 ms. Remains : 5/5 places, 8/8 transitions.
[2026-05-26 07:49:46] [INFO ] Flatten gal took : 1 ms
[2026-05-26 07:49:46] [INFO ] Flatten gal took : 0 ms
[2026-05-26 07:49:46] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4121894032069195333.gal : 2 ms
RANDOM walk for 41126 steps (8 resets) in 9 ms. (4112 steps per ms) remains 2/2 properties
[2026-05-26 07:49:46] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7465456461012043662.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality4121894032069195333.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7465456461012043662.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality7465456461012043662.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :8 after 25
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :25 after 76
BEST_FIRST walk for 40004 steps (8 resets) in 23 ms. (1666 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 18 ms. (2105 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :76 after 246
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :246 after 851
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :851 after 3104
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :3104 after 11747
Interrupted probabilistic random walk after 932883 steps, run timeout after 3001 ms. (steps per millisecond=310 ) properties seen :0 out of 2
Probabilistic random walk after 932883 steps, saw 387716 distinct states, run finished after 3001 ms. (steps per millisecond=310 ) properties seen :0
[2026-05-26 07:49:49] [INFO ] Invariant cache hit.
[2026-05-26 07:49:49] [INFO ] State equation strengthened by 1 read => feed constraints.
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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 2 unsolved in 53 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 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
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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/13 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/13 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 10 constraints, problems are : Problem set: 0 solved, 2 unsolved in 76 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 130ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 35 ms.
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 5/5 places, 8/8 transitions.
RANDOM walk for 40630 steps (8 resets) in 8 ms. (4514 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 30 ms. (1290 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 30 ms. (1290 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 872663 steps, run timeout after 3001 ms. (steps per millisecond=290 ) properties seen :0 out of 2
Probabilistic random walk after 872663 steps, saw 365204 distinct states, run finished after 3001 ms. (steps per millisecond=290 ) properties seen :0
[2026-05-26 07:49:53] [INFO ] Invariant cache hit.
[2026-05-26 07:49:53] [INFO ] State equation strengthened by 1 read => feed constraints.
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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 2 unsolved in 48 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 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
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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/13 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/13 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 10 constraints, problems are : Problem set: 0 solved, 2 unsolved in 76 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 127ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 37 ms.
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 5/5 places, 8/8 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2026-05-26 07:49:53] [INFO ] Invariant cache hit.
[2026-05-26 07:49:53] [INFO ] Implicit Places using invariants in 16 ms returned []
[2026-05-26 07:49:53] [INFO ] Invariant cache hit.
[2026-05-26 07:49:53] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-26 07:49:53] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 40 ms to find 0 implicit places.
[2026-05-26 07:49:53] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46 ms. Remains : 5/5 places, 8/8 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-26 07:49:53] [INFO ] Flatten gal took : 1 ms
[2026-05-26 07:49:53] [INFO ] Applying decomposition
[2026-05-26 07:49:53] [INFO ] Flatten gal took : 1 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph7264937684736324543.txt' '-o' '/tmp/graph7264937684736324543.bin' '-w' '/tmp/graph7264937684736324543.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph7264937684736324543.bin' '-l' '-1' '-v' '-w' '/tmp/graph7264937684736324543.weights' '-q' '0' '-e' '0.001'
[2026-05-26 07:49:53] [INFO ] Decomposing Gal with order
[2026-05-26 07:49:53] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 07:49:53] [INFO ] Flatten gal took : 65 ms
[2026-05-26 07:49:53] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2026-05-26 07:49:53] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12805407265101454267.gal : 1 ms
[2026-05-26 07:49:53] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3089165102702056160.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality12805407265101454267.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3089165102702056160.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality3089165102702056160.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :69 after 134
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :134 after 263
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :263 after 520
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :520 after 1033
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :153607 after 390520
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :390520 after 406498
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :406498 after 406516
Detected timeout of ITS tools.
Ending property specific reduction for JoinFreeModules-PT-2000-UpperBounds-00 in 59146 ms.
Starting property specific reduction for JoinFreeModules-PT-2000-UpperBounds-02
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[2002]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[2002]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3298548053141817435.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10415807856267846875.kers'
[2026-05-26 07:50:43] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3298548053141817435.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10415807856267846875.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 64 rows 40 cols 160 entries
Finished phase 1 with 32 SingleSign rule and 0 generalized
[2026-05-26 07:50:43] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-10415807856267846875.kers
Total runtime 0 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[2002]
RANDOM walk for 10009 steps (2 resets) in 6 ms. (1429 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2001] Max Struct:[2002]
[2026-05-26 07:50:43] [INFO ] Invariant cache hit.
[2026-05-26 07:50:43] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-26 07:50:43] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2026-05-26 07:50:43] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:50:43] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-26 07:50:43] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2026-05-26 07:50:43] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-26 07:50:43] [INFO ] [Nat]Added 8 Read/Feed constraints in 3 ms returned sat
[2026-05-26 07:50:43] [INFO ] Computed and/alt/rep : 48/120/48 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-26 07:50:43] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 32 ms
[2026-05-26 07:50:43] [INFO ] Added : 40 causal constraints over 9 iterations in 104 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2001] Max Struct:[2002]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2001] Max Struct:[2002]
Support contains 1 out of 40 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 40/40 places, 64/64 transitions.
Graph (complete) has 96 edges and 40 vertex of which 5 are kept as prefixes of interest. Removing 35 places using SCC suffix rule.0 ms
Discarding 35 places :
Also discarding 56 output transitions
Drop transitions (Output transitions of discarded places.) removed 56 transitions
Applied a total of 1 rules in 1 ms. Remains 5 /40 variables (removed 35) and now considering 8/64 (removed 56) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 5/40 places, 8/64 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15573700916757475391.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3456148531681800610.kers'
[2026-05-26 07:50:45] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15573700916757475391.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3456148531681800610.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 8 rows 5 cols 20 entries
Finished phase 1 with 4 SingleSign rule and 0 generalized
[2026-05-26 07:50:45] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-3456148531681800610.kers
Total runtime 0 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[2001] Max Struct:[2002]
RANDOM walk for 1000071 steps (2 resets) in 128 ms. (7752 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 247 ms. (4032 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2001] Max Struct:[2002]
[2026-05-26 07:50:46] [INFO ] Invariant cache hit.
[2026-05-26 07:50:46] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 07:50:46] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2026-05-26 07:50:46] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:50:46] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 07:50:46] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-26 07:50:46] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-26 07:50:46] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-26 07:50:46] [INFO ] Computed and/alt/rep : 6/15/6 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-26 07:50:46] [INFO ] Added : 5 causal constraints over 2 iterations in 8 ms. Result :sat
Minimization took 7 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2001] Max Struct:[2002]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2001] Max Struct:[2002]
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 5/5 places, 8/8 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2026-05-26 07:50:46] [INFO ] Invariant cache hit.
[2026-05-26 07:50:46] [INFO ] Implicit Places using invariants in 16 ms returned []
[2026-05-26 07:50:46] [INFO ] Invariant cache hit.
[2026-05-26 07:50:46] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-26 07:50:46] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 41 ms to find 0 implicit places.
[2026-05-26 07:50:46] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46 ms. Remains : 5/5 places, 8/8 transitions.
[2026-05-26 07:50:46] [INFO ] Flatten gal took : 2 ms
[2026-05-26 07:50:46] [INFO ] Flatten gal took : 1 ms
[2026-05-26 07:50:46] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1478211468482682027.gal : 1 ms
[2026-05-26 07:50:46] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11441757302886413397.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality1478211468482682027.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11441757302886413397.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 41344 steps (8 resets) in 19 ms. (2067 steps per ms) remains 2/2 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality11441757302886413397.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :8 after 25
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :25 after 76
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :76 after 246
BEST_FIRST walk for 40004 steps (8 resets) in 46 ms. (851 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :246 after 851
BEST_FIRST walk for 40004 steps (8 resets) in 56 ms. (701 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :851 after 3104
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :3104 after 11747
Interrupted probabilistic random walk after 972668 steps, run timeout after 3001 ms. (steps per millisecond=324 ) properties seen :0 out of 2
Probabilistic random walk after 972668 steps, saw 403081 distinct states, run finished after 3001 ms. (steps per millisecond=324 ) properties seen :0
[2026-05-26 07:50:49] [INFO ] Invariant cache hit.
[2026-05-26 07:50:49] [INFO ] State equation strengthened by 1 read => feed constraints.
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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 2 unsolved in 57 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 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
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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 9 constraints, problems are : Problem set: 0 solved, 2 unsolved in 55 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 115ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1183 ms.
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 5/5 places, 8/8 transitions.
RANDOM walk for 40447 steps (8 resets) in 18 ms. (2128 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 44 ms. (888 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 38 ms. (1025 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 928103 steps, run timeout after 3001 ms. (steps per millisecond=309 ) properties seen :0 out of 2
Probabilistic random walk after 928103 steps, saw 386035 distinct states, run finished after 3001 ms. (steps per millisecond=309 ) properties seen :0
[2026-05-26 07:50:53] [INFO ] Invariant cache hit.
[2026-05-26 07:50:53] [INFO ] State equation strengthened by 1 read => feed constraints.
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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 2 unsolved in 45 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 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
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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 9 constraints, problems are : Problem set: 0 solved, 2 unsolved in 56 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 102ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1135 ms.
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 5/5 places, 8/8 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2026-05-26 07:50:54] [INFO ] Invariant cache hit.
[2026-05-26 07:50:54] [INFO ] Implicit Places using invariants in 17 ms returned []
[2026-05-26 07:50:54] [INFO ] Invariant cache hit.
[2026-05-26 07:50:54] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-26 07:50:54] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 41 ms to find 0 implicit places.
[2026-05-26 07:50:54] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 47 ms. Remains : 5/5 places, 8/8 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-26 07:50:55] [INFO ] Flatten gal took : 1 ms
[2026-05-26 07:50:55] [INFO ] Applying decomposition
[2026-05-26 07:50:55] [INFO ] Flatten gal took : 0 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph659021395937937501.txt' '-o' '/tmp/graph659021395937937501.bin' '-w' '/tmp/graph659021395937937501.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph659021395937937501.bin' '-l' '-1' '-v' '-w' '/tmp/graph659021395937937501.weights' '-q' '0' '-e' '0.001'
[2026-05-26 07:50:55] [INFO ] Decomposing Gal with order
[2026-05-26 07:50:55] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 07:50:55] [INFO ] Flatten gal took : 2 ms
[2026-05-26 07:50:55] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2026-05-26 07:50:55] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1449604054026833747.gal : 1 ms
[2026-05-26 07:50:55] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16681949355061405450.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality1449604054026833747.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16681949355061405450.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality16681949355061405450.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :69 after 134
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :134 after 263
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :263 after 520
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :520 after 1033
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :153607 after 390514
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :390514 after 406454
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :406454 after 406506
Detected timeout of ITS tools.
Ending property specific reduction for JoinFreeModules-PT-2000-UpperBounds-02 in 61637 ms.
Starting property specific reduction for JoinFreeModules-PT-2000-UpperBounds-05
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[2002]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[2002]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5930227107355633137.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7111074278917706711.kers'
[2026-05-26 07:51:45] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5930227107355633137.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7111074278917706711.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 64 rows 40 cols 160 entries
Finished phase 1 with 32 SingleSign rule and 0 generalized
[2026-05-26 07:51:45] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-7111074278917706711.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[2002]
RANDOM walk for 10544 steps (2 resets) in 6 ms. (1506 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2001] Max Struct:[2002]
[2026-05-26 07:51:45] [INFO ] Invariant cache hit.
[2026-05-26 07:51:45] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-26 07:51:45] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2026-05-26 07:51:45] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:51:45] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-26 07:51:45] [INFO ] [Nat]Absence check using state equation in 39 ms returned sat
[2026-05-26 07:51:45] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-26 07:51:45] [INFO ] [Nat]Added 8 Read/Feed constraints in 3 ms returned sat
[2026-05-26 07:51:45] [INFO ] Computed and/alt/rep : 48/120/48 causal constraints (skipped 0 transitions) in 11 ms.
[2026-05-26 07:51:45] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 105 ms
[2026-05-26 07:51:45] [INFO ] Added : 33 causal constraints over 9 iterations in 450 ms. Result :sat
Minimization took 42 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2001] Max Struct:[2002]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2001] Max Struct:[2002]
Support contains 1 out of 40 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 40/40 places, 64/64 transitions.
Graph (complete) has 96 edges and 40 vertex of which 5 are kept as prefixes of interest. Removing 35 places using SCC suffix rule.0 ms
Discarding 35 places :
Also discarding 56 output transitions
Drop transitions (Output transitions of discarded places.) removed 56 transitions
Applied a total of 1 rules in 2 ms. Remains 5 /40 variables (removed 35) and now considering 8/64 (removed 56) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 5/40 places, 8/64 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16968531318316696120.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10437996851685092214.kers'
[2026-05-26 07:51:47] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16968531318316696120.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10437996851685092214.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 8 rows 5 cols 20 entries
Finished phase 1 with 4 SingleSign rule and 0 generalized
[2026-05-26 07:51:47] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-10437996851685092214.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[2001] Max Struct:[2002]
RANDOM walk for 1000296 steps (2 resets) in 168 ms. (5918 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 223 ms. (4464 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2001] Max Struct:[2002]
[2026-05-26 07:51:48] [INFO ] Invariant cache hit.
[2026-05-26 07:51:48] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 07:51:48] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-26 07:51:48] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:51:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2026-05-26 07:51:48] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-26 07:51:48] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-26 07:51:48] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-26 07:51:48] [INFO ] Computed and/alt/rep : 6/15/6 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-26 07:51:48] [INFO ] Added : 5 causal constraints over 2 iterations in 12 ms. Result :sat
Minimization took 9 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2001] Max Struct:[2002]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2001] Max Struct:[2002]
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 5/5 places, 8/8 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2026-05-26 07:51:48] [INFO ] Invariant cache hit.
[2026-05-26 07:51:48] [INFO ] Implicit Places using invariants in 24 ms returned []
[2026-05-26 07:51:48] [INFO ] Invariant cache hit.
[2026-05-26 07:51:48] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-26 07:51:48] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 57 ms to find 0 implicit places.
[2026-05-26 07:51:48] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 64 ms. Remains : 5/5 places, 8/8 transitions.
RANDOM walk for 40240 steps (8 resets) in 11 ms. (3353 steps per ms) remains 2/2 properties
[2026-05-26 07:51:48] [INFO ] Flatten gal took : 4 ms
[2026-05-26 07:51:48] [INFO ] Flatten gal took : 6 ms
[2026-05-26 07:51:48] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14615315327707691691.gal : 1 ms
[2026-05-26 07:51:48] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17798348814824784740.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality14615315327707691691.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17798348814824784740.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40004 steps (8 resets) in 20 ms. (1904 steps per ms) remains 2/2 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality17798348814824784740.prop.
SDD proceeding with computation,2 properties remain. new max is 4
BEST_FIRST walk for 40004 steps (8 resets) in 24 ms. (1600 steps per ms) remains 2/2 properties
SDD size :1 after 8
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :8 after 25
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :25 after 76
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :76 after 246
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :246 after 851
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :851 after 3104
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :3104 after 11747
Interrupted probabilistic random walk after 942136 steps, run timeout after 3001 ms. (steps per millisecond=313 ) properties seen :0 out of 2
Probabilistic random walk after 942136 steps, saw 391354 distinct states, run finished after 3001 ms. (steps per millisecond=313 ) properties seen :0
[2026-05-26 07:51:51] [INFO ] Invariant cache hit.
[2026-05-26 07:51:51] [INFO ] State equation strengthened by 1 read => feed constraints.
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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 2 unsolved in 49 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 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
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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 9 constraints, problems are : Problem set: 0 solved, 2 unsolved in 67 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 118ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1236 ms.
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 5/5 places, 8/8 transitions.
RANDOM walk for 41724 steps (8 resets) in 11 ms. (3477 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 27 ms. (1428 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 28 ms. (1379 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 878733 steps, run timeout after 3001 ms. (steps per millisecond=292 ) properties seen :0 out of 2
Probabilistic random walk after 878733 steps, saw 367332 distinct states, run finished after 3001 ms. (steps per millisecond=292 ) properties seen :0
[2026-05-26 07:51:55] [INFO ] Invariant cache hit.
[2026-05-26 07:51:55] [INFO ] State equation strengthened by 1 read => feed constraints.
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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 2 unsolved in 48 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 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
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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 9 constraints, problems are : Problem set: 0 solved, 2 unsolved in 52 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 102ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1169 ms.
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 5/5 places, 8/8 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2026-05-26 07:51:57] [INFO ] Invariant cache hit.
[2026-05-26 07:51:57] [INFO ] Implicit Places using invariants in 18 ms returned []
[2026-05-26 07:51:57] [INFO ] Invariant cache hit.
[2026-05-26 07:51:57] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-26 07:51:57] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 41 ms to find 0 implicit places.
[2026-05-26 07:51:57] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46 ms. Remains : 5/5 places, 8/8 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-26 07:51:57] [INFO ] Flatten gal took : 1 ms
[2026-05-26 07:51:57] [INFO ] Applying decomposition
[2026-05-26 07:51:57] [INFO ] Flatten gal took : 1 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph10958103747940786124.txt' '-o' '/tmp/graph10958103747940786124.bin' '-w' '/tmp/graph10958103747940786124.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph10958103747940786124.bin' '-l' '-1' '-v' '-w' '/tmp/graph10958103747940786124.weights' '-q' '0' '-e' '0.001'
[2026-05-26 07:51:57] [INFO ] Decomposing Gal with order
[2026-05-26 07:51:57] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 07:51:57] [INFO ] Flatten gal took : 2 ms
[2026-05-26 07:51:57] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-26 07:51:57] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16775974921048658893.gal : 1 ms
[2026-05-26 07:51:57] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1530812092094685166.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality16775974921048658893.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1530812092094685166.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality1530812092094685166.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :69 after 134
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :134 after 263
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :263 after 520
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :520 after 1033
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :153613 after 390567
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :390567 after 406526
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :406526 after 406538
Detected timeout of ITS tools.
Ending property specific reduction for JoinFreeModules-PT-2000-UpperBounds-05 in 62234 ms.
Starting property specific reduction for JoinFreeModules-PT-2000-UpperBounds-07
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[2002]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[2002]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17407155586998016805.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-541411623794139543.kers'
[2026-05-26 07:52:47] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17407155586998016805.kers, --Pflows, --basisKERS=/tmp/petrispot-output-541411623794139543.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 64 rows 40 cols 160 entries
Finished phase 1 with 32 SingleSign rule and 0 generalized
[2026-05-26 07:52:47] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-541411623794139543.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[2002]
RANDOM walk for 10009 steps (2 resets) in 6 ms. (1429 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2001] Max Struct:[2002]
[2026-05-26 07:52:47] [INFO ] Invariant cache hit.
[2026-05-26 07:52:47] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-26 07:52:47] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2026-05-26 07:52:47] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:52:47] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2026-05-26 07:52:47] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2026-05-26 07:52:47] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-26 07:52:47] [INFO ] [Nat]Added 8 Read/Feed constraints in 3 ms returned sat
[2026-05-26 07:52:47] [INFO ] Computed and/alt/rep : 48/120/48 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-26 07:52:47] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 35 ms
[2026-05-26 07:52:47] [INFO ] Added : 35 causal constraints over 8 iterations in 100 ms. Result :sat
Minimization took 24 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2001] Max Struct:[2002]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2001] Max Struct:[2002]
Support contains 1 out of 40 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 40/40 places, 64/64 transitions.
Graph (complete) has 96 edges and 40 vertex of which 5 are kept as prefixes of interest. Removing 35 places using SCC suffix rule.0 ms
Discarding 35 places :
Also discarding 56 output transitions
Drop transitions (Output transitions of discarded places.) removed 56 transitions
Applied a total of 1 rules in 1 ms. Remains 5 /40 variables (removed 35) and now considering 8/64 (removed 56) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 5/40 places, 8/64 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11642123110222050357.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-246825434969100765.kers'
[2026-05-26 07:52:49] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11642123110222050357.kers, --Pflows, --basisKERS=/tmp/petrispot-output-246825434969100765.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 8 rows 5 cols 20 entries
Finished phase 1 with 4 SingleSign rule and 0 generalized
[2026-05-26 07:52:49] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-246825434969100765.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[2001] Max Struct:[2002]
RANDOM walk for 1000009 steps (2 resets) in 132 ms. (7518 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 182 ms. (5464 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2001] Max Struct:[2002]
[2026-05-26 07:52:50] [INFO ] Invariant cache hit.
[2026-05-26 07:52:50] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-26 07:52:50] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2026-05-26 07:52:50] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:52:50] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 07:52:50] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2026-05-26 07:52:50] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-26 07:52:50] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-26 07:52:50] [INFO ] Computed and/alt/rep : 6/15/6 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-26 07:52:50] [INFO ] Added : 5 causal constraints over 2 iterations in 8 ms. Result :sat
Minimization took 7 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2001] Max Struct:[2002]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2001] Max Struct:[2002]
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 5/5 places, 8/8 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2026-05-26 07:52:50] [INFO ] Invariant cache hit.
[2026-05-26 07:52:50] [INFO ] Implicit Places using invariants in 16 ms returned []
[2026-05-26 07:52:50] [INFO ] Invariant cache hit.
[2026-05-26 07:52:50] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-26 07:52:50] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 39 ms to find 0 implicit places.
[2026-05-26 07:52:50] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46 ms. Remains : 5/5 places, 8/8 transitions.
[2026-05-26 07:52:50] [INFO ] Flatten gal took : 0 ms
[2026-05-26 07:52:50] [INFO ] Flatten gal took : 1 ms
[2026-05-26 07:52:50] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6541818395918584352.gal : 1 ms
RANDOM walk for 41866 steps (8 resets) in 11 ms. (3488 steps per ms) remains 2/2 properties
[2026-05-26 07:52:50] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2012530625723679050.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality6541818395918584352.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2012530625723679050.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality2012530625723679050.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :8 after 25
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :25 after 76
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :76 after 246
BEST_FIRST walk for 40004 steps (8 resets) in 53 ms. (740 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 32 ms. (1212 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :246 after 851
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :851 after 3104
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :3104 after 11747
Interrupted probabilistic random walk after 812428 steps, run timeout after 3001 ms. (steps per millisecond=270 ) properties seen :0 out of 2
Probabilistic random walk after 812428 steps, saw 343154 distinct states, run finished after 3001 ms. (steps per millisecond=270 ) properties seen :0
[2026-05-26 07:52:53] [INFO ] Invariant cache hit.
[2026-05-26 07:52:53] [INFO ] State equation strengthened by 1 read => feed constraints.
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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 2 unsolved in 45 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 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
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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 9 constraints, problems are : Problem set: 0 solved, 2 unsolved in 49 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 98ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1269 ms.
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 5/5 places, 8/8 transitions.
RANDOM walk for 41331 steps (8 resets) in 11 ms. (3444 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 33 ms. (1176 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 31 ms. (1250 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 768694 steps, run timeout after 3001 ms. (steps per millisecond=256 ) properties seen :0 out of 2
Probabilistic random walk after 768694 steps, saw 326899 distinct states, run finished after 3001 ms. (steps per millisecond=256 ) properties seen :0
[2026-05-26 07:52:57] [INFO ] Invariant cache hit.
[2026-05-26 07:52:57] [INFO ] State equation strengthened by 1 read => feed constraints.
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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 2 unsolved in 57 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 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
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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 9 constraints, problems are : Problem set: 0 solved, 2 unsolved in 63 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 122ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1175 ms.
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 5/5 places, 8/8 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2026-05-26 07:52:59] [INFO ] Invariant cache hit.
[2026-05-26 07:52:59] [INFO ] Implicit Places using invariants in 17 ms returned []
[2026-05-26 07:52:59] [INFO ] Invariant cache hit.
[2026-05-26 07:52:59] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-26 07:52:59] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 41 ms to find 0 implicit places.
[2026-05-26 07:52:59] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46 ms. Remains : 5/5 places, 8/8 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-26 07:52:59] [INFO ] Flatten gal took : 1 ms
[2026-05-26 07:52:59] [INFO ] Applying decomposition
[2026-05-26 07:52:59] [INFO ] Flatten gal took : 1 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph10735531640035343256.txt' '-o' '/tmp/graph10735531640035343256.bin' '-w' '/tmp/graph10735531640035343256.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph10735531640035343256.bin' '-l' '-1' '-v' '-w' '/tmp/graph10735531640035343256.weights' '-q' '0' '-e' '0.001'
[2026-05-26 07:52:59] [INFO ] Decomposing Gal with order
[2026-05-26 07:52:59] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 07:52:59] [INFO ] Flatten gal took : 1 ms
[2026-05-26 07:52:59] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-26 07:52:59] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7459235022044373434.gal : 0 ms
[2026-05-26 07:52:59] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13624238147230759587.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality7459235022044373434.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13624238147230759587.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality13624238147230759587.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :69 after 134
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :134 after 263
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :263 after 520
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :520 after 1033
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :153613 after 390567
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :390567 after 406528
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :406528 after 690992
Detected timeout of ITS tools.
Ending property specific reduction for JoinFreeModules-PT-2000-UpperBounds-07 in 61835 ms.
Starting property specific reduction for JoinFreeModules-PT-2000-UpperBounds-09
Current structural bounds on expressions (Initially) : Max Seen:[2000] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[2000] Max Struct:[2002]
Current structural bounds on expressions (Before main loop) : Max Seen:[2000] Max Struct:[2002]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10247103183740367169.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5364132551591062055.kers'
[2026-05-26 07:53:49] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10247103183740367169.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5364132551591062055.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 64 rows 40 cols 160 entries
Finished phase 1 with 32 SingleSign rule and 0 generalized
[2026-05-26 07:53:49] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-5364132551591062055.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[2000] Max Struct:[2002]
RANDOM walk for 11261 steps (2 resets) in 7 ms. (1407 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2000] Max Struct:[2002]
[2026-05-26 07:53:49] [INFO ] Invariant cache hit.
[2026-05-26 07:53:49] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-26 07:53:49] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2026-05-26 07:53:49] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:53:49] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-26 07:53:49] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2026-05-26 07:53:49] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-26 07:53:49] [INFO ] [Nat]Added 8 Read/Feed constraints in 102 ms returned sat
[2026-05-26 07:53:49] [INFO ] Computed and/alt/rep : 48/120/48 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-26 07:53:49] [INFO ] Added : 31 causal constraints over 9 iterations in 114 ms. Result :sat
Minimization took 28 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2000] Max Struct:[2002]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2000] Max Struct:[2002]
Support contains 1 out of 40 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 40/40 places, 64/64 transitions.
Graph (complete) has 96 edges and 40 vertex of which 5 are kept as prefixes of interest. Removing 35 places using SCC suffix rule.0 ms
Discarding 35 places :
Also discarding 56 output transitions
Drop transitions (Output transitions of discarded places.) removed 56 transitions
Applied a total of 1 rules in 2 ms. Remains 5 /40 variables (removed 35) and now considering 8/64 (removed 56) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 5/40 places, 8/64 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17150899985526670579.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15506409066688686416.kers'
[2026-05-26 07:53:51] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17150899985526670579.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15506409066688686416.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 8 rows 5 cols 20 entries
Finished phase 1 with 4 SingleSign rule and 0 generalized
[2026-05-26 07:53:51] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-15506409066688686416.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[2000] Max Struct:[2002]
RANDOM walk for 1000281 steps (2 resets) in 130 ms. (7635 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 171 ms. (5813 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2000] Max Struct:[2002]
[2026-05-26 07:53:51] [INFO ] Invariant cache hit.
[2026-05-26 07:53:51] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 07:53:51] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2026-05-26 07:53:51] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-26 07:53:51] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-26 07:53:51] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:53:51] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 07:53:51] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2026-05-26 07:53:51] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-26 07:53:51] [INFO ] Computed and/alt/rep : 6/15/6 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-26 07:53:51] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 23 ms
[2026-05-26 07:53:51] [INFO ] Added : 5 causal constraints over 2 iterations in 32 ms. Result :sat
Minimization took 7 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2000] Max Struct:[2002]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2000] Max Struct:[2002]
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 5/5 places, 8/8 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2026-05-26 07:53:51] [INFO ] Invariant cache hit.
[2026-05-26 07:53:51] [INFO ] Implicit Places using invariants in 18 ms returned []
[2026-05-26 07:53:51] [INFO ] Invariant cache hit.
[2026-05-26 07:53:51] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-26 07:53:51] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 44 ms to find 0 implicit places.
[2026-05-26 07:53:51] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 53 ms. Remains : 5/5 places, 8/8 transitions.
[2026-05-26 07:53:51] [INFO ] Flatten gal took : 2 ms
[2026-05-26 07:53:51] [INFO ] Flatten gal took : 1 ms
RANDOM walk for 41025 steps (8 resets) in 10 ms. (3729 steps per ms) remains 2/2 properties
[2026-05-26 07:53:51] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1370521624400747043.gal : 3 ms
[2026-05-26 07:53:51] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9170726158612712316.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality1370521624400747043.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9170726158612712316.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40004 steps (8 resets) in 23 ms. (1666 steps per ms) remains 2/2 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality9170726158612712316.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :8 after 25
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :25 after 76
BEST_FIRST walk for 40004 steps (8 resets) in 31 ms. (1250 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :76 after 246
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :246 after 851
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :851 after 3104
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :3104 after 11747
Interrupted probabilistic random walk after 918263 steps, run timeout after 3001 ms. (steps per millisecond=305 ) properties seen :0 out of 2
Probabilistic random walk after 918263 steps, saw 382299 distinct states, run finished after 3001 ms. (steps per millisecond=305 ) properties seen :0
[2026-05-26 07:53:54] [INFO ] Invariant cache hit.
[2026-05-26 07:53:54] [INFO ] State equation strengthened by 1 read => feed constraints.
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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 2 unsolved in 47 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 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
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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/13 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/13 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 10 constraints, problems are : Problem set: 0 solved, 2 unsolved in 81 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 130ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 31 ms.
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 5/5 places, 8/8 transitions.
RANDOM walk for 40991 steps (8 resets) in 9 ms. (4099 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 30 ms. (1290 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 29 ms. (1333 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 806997 steps, run timeout after 3001 ms. (steps per millisecond=268 ) properties seen :0 out of 2
Probabilistic random walk after 806997 steps, saw 341115 distinct states, run finished after 3001 ms. (steps per millisecond=268 ) properties seen :0
[2026-05-26 07:53:57] [INFO ] Invariant cache hit.
[2026-05-26 07:53:57] [INFO ] State equation strengthened by 1 read => feed constraints.
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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 2 unsolved in 46 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 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
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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/13 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/13 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 10 constraints, problems are : Problem set: 0 solved, 2 unsolved in 79 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 127ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 30 ms.
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 5/5 places, 8/8 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2026-05-26 07:53:58] [INFO ] Invariant cache hit.
[2026-05-26 07:53:58] [INFO ] Implicit Places using invariants in 18 ms returned []
[2026-05-26 07:53:58] [INFO ] Invariant cache hit.
[2026-05-26 07:53:58] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-26 07:53:58] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 42 ms to find 0 implicit places.
[2026-05-26 07:53:58] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 47 ms. Remains : 5/5 places, 8/8 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-26 07:53:58] [INFO ] Flatten gal took : 1 ms
[2026-05-26 07:53:58] [INFO ] Applying decomposition
[2026-05-26 07:53:58] [INFO ] Flatten gal took : 1 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph12306455459183766751.txt' '-o' '/tmp/graph12306455459183766751.bin' '-w' '/tmp/graph12306455459183766751.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph12306455459183766751.bin' '-l' '-1' '-v' '-w' '/tmp/graph12306455459183766751.weights' '-q' '0' '-e' '0.001'
[2026-05-26 07:53:58] [INFO ] Decomposing Gal with order
[2026-05-26 07:53:58] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 07:53:58] [INFO ] Flatten gal took : 1 ms
[2026-05-26 07:53:58] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-26 07:53:58] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7311267378314051347.gal : 1 ms
[2026-05-26 07:53:58] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16797799522643721216.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality7311267378314051347.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16797799522643721216.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality16797799522643721216.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :69 after 134
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :134 after 263
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :263 after 520
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :520 after 1033
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :406481 after 734818
Detected timeout of ITS tools.
Ending property specific reduction for JoinFreeModules-PT-2000-UpperBounds-09 in 59088 ms.
Starting property specific reduction for JoinFreeModules-PT-2000-UpperBounds-10
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[2002]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[2002]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15975739731477887209.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13232648882883084323.kers'
[2026-05-26 07:54:48] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15975739731477887209.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13232648882883084323.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 64 rows 40 cols 160 entries
Finished phase 1 with 32 SingleSign rule and 0 generalized
[2026-05-26 07:54:48] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-13232648882883084323.kers
Total runtime 0 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[2002]
RANDOM walk for 10009 steps (2 resets) in 6 ms. (1429 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[187] Max Struct:[2002]
[2026-05-26 07:54:48] [INFO ] Invariant cache hit.
[2026-05-26 07:54:48] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-26 07:54:48] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2026-05-26 07:54:48] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:54:48] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-26 07:54:48] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2026-05-26 07:54:48] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-26 07:54:48] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
[2026-05-26 07:54:48] [INFO ] Computed and/alt/rep : 48/120/48 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-26 07:54:48] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 32 ms
[2026-05-26 07:54:48] [INFO ] Added : 39 causal constraints over 10 iterations in 107 ms. Result :sat
Minimization took 25 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[187] Max Struct:[2002]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2001] Max Struct:[2002]
Support contains 1 out of 40 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 40/40 places, 64/64 transitions.
Graph (complete) has 96 edges and 40 vertex of which 5 are kept as prefixes of interest. Removing 35 places using SCC suffix rule.0 ms
Discarding 35 places :
Also discarding 56 output transitions
Drop transitions (Output transitions of discarded places.) removed 56 transitions
Applied a total of 1 rules in 1 ms. Remains 5 /40 variables (removed 35) and now considering 8/64 (removed 56) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 5/40 places, 8/64 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13244206780024285263.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15824918487586809328.kers'
[2026-05-26 07:54:50] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13244206780024285263.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15824918487586809328.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 8 rows 5 cols 20 entries
Finished phase 1 with 4 SingleSign rule and 0 generalized
[2026-05-26 07:54:50] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-15824918487586809328.kers
Total runtime 0 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[2001] Max Struct:[2002]
RANDOM walk for 1000572 steps (2 resets) in 128 ms. (7756 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 175 ms. (5681 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2001] Max Struct:[2002]
[2026-05-26 07:54:50] [INFO ] Invariant cache hit.
[2026-05-26 07:54:51] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 07:54:51] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2026-05-26 07:54:51] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:54:51] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 07:54:51] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2026-05-26 07:54:51] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-26 07:54:51] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-26 07:54:51] [INFO ] Computed and/alt/rep : 6/15/6 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-26 07:54:51] [INFO ] Added : 5 causal constraints over 2 iterations in 8 ms. Result :sat
Minimization took 7 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2001] Max Struct:[2002]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2001] Max Struct:[2002]
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 5/5 places, 8/8 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2026-05-26 07:54:51] [INFO ] Invariant cache hit.
[2026-05-26 07:54:51] [INFO ] Implicit Places using invariants in 16 ms returned []
[2026-05-26 07:54:51] [INFO ] Invariant cache hit.
[2026-05-26 07:54:51] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-26 07:54:51] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 36 ms to find 0 implicit places.
[2026-05-26 07:54:51] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41 ms. Remains : 5/5 places, 8/8 transitions.
RANDOM walk for 41166 steps (8 resets) in 9 ms. (4116 steps per ms) remains 2/2 properties
[2026-05-26 07:54:51] [INFO ] Flatten gal took : 0 ms
[2026-05-26 07:54:51] [INFO ] Flatten gal took : 0 ms
[2026-05-26 07:54:51] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12620449515327338419.gal : 0 ms
[2026-05-26 07:54:51] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality18315991144538570885.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality12620449515327338419.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality18315991144538570885.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality18315991144538570885.prop.
BEST_FIRST walk for 40004 steps (8 resets) in 27 ms. (1428 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :8 after 25
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :25 after 76
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :76 after 246
BEST_FIRST walk for 40004 steps (8 resets) in 24 ms. (1600 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :246 after 851
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :851 after 3104
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :3104 after 11747
Interrupted probabilistic random walk after 893166 steps, run timeout after 3001 ms. (steps per millisecond=297 ) properties seen :0 out of 2
Probabilistic random walk after 893166 steps, saw 372246 distinct states, run finished after 3001 ms. (steps per millisecond=297 ) properties seen :0
[2026-05-26 07:54:54] [INFO ] Invariant cache hit.
[2026-05-26 07:54:54] [INFO ] State equation strengthened by 1 read => feed constraints.
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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 2 unsolved in 50 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 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
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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 9 constraints, problems are : Problem set: 0 solved, 2 unsolved in 49 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 101ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1080 ms.
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 5 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 5/5 places, 8/8 transitions.
RANDOM walk for 40621 steps (8 resets) in 10 ms. (3692 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 30 ms. (1290 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 16 ms. (2353 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 915056 steps, run timeout after 3001 ms. (steps per millisecond=304 ) properties seen :0 out of 2
Probabilistic random walk after 915056 steps, saw 381006 distinct states, run finished after 3001 ms. (steps per millisecond=304 ) properties seen :0
[2026-05-26 07:54:58] [INFO ] Invariant cache hit.
[2026-05-26 07:54:58] [INFO ] State equation strengthened by 1 read => feed constraints.
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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 2 unsolved in 54 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 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
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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 9 constraints, problems are : Problem set: 0 solved, 2 unsolved in 52 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 107ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1115 ms.
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 5/5 places, 8/8 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2026-05-26 07:54:59] [INFO ] Invariant cache hit.
[2026-05-26 07:54:59] [INFO ] Implicit Places using invariants in 17 ms returned []
[2026-05-26 07:54:59] [INFO ] Invariant cache hit.
[2026-05-26 07:54:59] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-26 07:54:59] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 37 ms to find 0 implicit places.
[2026-05-26 07:54:59] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41 ms. Remains : 5/5 places, 8/8 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-26 07:54:59] [INFO ] Flatten gal took : 1 ms
[2026-05-26 07:54:59] [INFO ] Applying decomposition
[2026-05-26 07:54:59] [INFO ] Flatten gal took : 0 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph1049815599984881133.txt' '-o' '/tmp/graph1049815599984881133.bin' '-w' '/tmp/graph1049815599984881133.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph1049815599984881133.bin' '-l' '-1' '-v' '-w' '/tmp/graph1049815599984881133.weights' '-q' '0' '-e' '0.001'
[2026-05-26 07:54:59] [INFO ] Decomposing Gal with order
[2026-05-26 07:54:59] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 07:54:59] [INFO ] Flatten gal took : 2 ms
[2026-05-26 07:54:59] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-26 07:54:59] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1433046432027438444.gal : 0 ms
[2026-05-26 07:54:59] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16872309742461063642.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality1433046432027438444.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16872309742461063642.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality16872309742461063642.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :69 after 134
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :134 after 263
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :263 after 520
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :520 after 1033
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :153613 after 342808
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :342808 after 346783
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :346783 after 659121
Detected timeout of ITS tools.
Ending property specific reduction for JoinFreeModules-PT-2000-UpperBounds-10 in 61506 ms.
Starting property specific reduction for JoinFreeModules-PT-2000-UpperBounds-11
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[2002]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[2002]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14235288381708651445.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4358702752438093853.kers'
[2026-05-26 07:55:49] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14235288381708651445.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4358702752438093853.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 64 rows 40 cols 160 entries
Finished phase 1 with 32 SingleSign rule and 0 generalized
[2026-05-26 07:55:49] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-4358702752438093853.kers
Total runtime 0 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[2002]
RANDOM walk for 11008 steps (2 resets) in 6 ms. (1572 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2001] Max Struct:[2002]
[2026-05-26 07:55:49] [INFO ] Invariant cache hit.
[2026-05-26 07:55:49] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-26 07:55:49] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2026-05-26 07:55:49] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:55:49] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-26 07:55:49] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2026-05-26 07:55:49] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-26 07:55:49] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
[2026-05-26 07:55:49] [INFO ] Computed and/alt/rep : 48/120/48 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-26 07:55:49] [INFO ] Added : 39 causal constraints over 10 iterations in 71 ms. Result :sat
Minimization took 25 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2001] Max Struct:[2002]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2001] Max Struct:[2002]
Support contains 1 out of 40 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 40/40 places, 64/64 transitions.
Graph (complete) has 96 edges and 40 vertex of which 5 are kept as prefixes of interest. Removing 35 places using SCC suffix rule.0 ms
Discarding 35 places :
Also discarding 56 output transitions
Drop transitions (Output transitions of discarded places.) removed 56 transitions
Applied a total of 1 rules in 1 ms. Remains 5 /40 variables (removed 35) and now considering 8/64 (removed 56) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 5/40 places, 8/64 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10880029663117205522.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3976426716480187172.kers'
[2026-05-26 07:55:52] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10880029663117205522.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3976426716480187172.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 8 rows 5 cols 20 entries
Finished phase 1 with 4 SingleSign rule and 0 generalized
[2026-05-26 07:55:52] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-3976426716480187172.kers
Total runtime 0 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[2001] Max Struct:[2002]
RANDOM walk for 1000358 steps (2 resets) in 131 ms. (7578 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 180 ms. (5524 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2001] Max Struct:[2002]
[2026-05-26 07:55:52] [INFO ] Invariant cache hit.
[2026-05-26 07:55:52] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 07:55:52] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2026-05-26 07:55:52] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:55:52] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 07:55:52] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2026-05-26 07:55:52] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-26 07:55:52] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-26 07:55:52] [INFO ] Computed and/alt/rep : 6/15/6 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-26 07:55:52] [INFO ] Added : 5 causal constraints over 2 iterations in 9 ms. Result :sat
Minimization took 7 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2001] Max Struct:[2002]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2001] Max Struct:[2002]
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 2 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 5/5 places, 8/8 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2026-05-26 07:55:52] [INFO ] Invariant cache hit.
[2026-05-26 07:55:52] [INFO ] Implicit Places using invariants in 15 ms returned []
[2026-05-26 07:55:52] [INFO ] Invariant cache hit.
[2026-05-26 07:55:52] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-26 07:55:52] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 38 ms to find 0 implicit places.
[2026-05-26 07:55:52] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42 ms. Remains : 5/5 places, 8/8 transitions.
[2026-05-26 07:55:52] [INFO ] Flatten gal took : 1 ms
[2026-05-26 07:55:52] [INFO ] Flatten gal took : 0 ms
[2026-05-26 07:55:52] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8363332630567246707.gal : 0 ms
[2026-05-26 07:55:52] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9880424211327124340.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality8363332630567246707.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9880424211327124340.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 41350 steps (8 resets) in 9 ms. (4135 steps per ms) remains 2/2 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality9880424211327124340.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :8 after 25
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :25 after 76
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :76 after 246
BEST_FIRST walk for 40004 steps (8 resets) in 24 ms. (1600 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 19 ms. (2000 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :246 after 851
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :851 after 3104
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :3104 after 11747
Interrupted probabilistic random walk after 964125 steps, run timeout after 3001 ms. (steps per millisecond=321 ) properties seen :0 out of 2
Probabilistic random walk after 964125 steps, saw 400044 distinct states, run finished after 3001 ms. (steps per millisecond=321 ) properties seen :0
[2026-05-26 07:55:55] [INFO ] Invariant cache hit.
[2026-05-26 07:55:55] [INFO ] State equation strengthened by 1 read => feed constraints.
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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 2 unsolved in 52 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 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
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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 9 constraints, problems are : Problem set: 0 solved, 2 unsolved in 51 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 107ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1182 ms.
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 5/5 places, 8/8 transitions.
RANDOM walk for 41909 steps (8 resets) in 11 ms. (3492 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 29 ms. (1333 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 27 ms. (1428 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 890215 steps, run timeout after 3001 ms. (steps per millisecond=296 ) properties seen :0 out of 2
Probabilistic random walk after 890215 steps, saw 371189 distinct states, run finished after 3001 ms. (steps per millisecond=296 ) properties seen :0
[2026-05-26 07:55:59] [INFO ] Invariant cache hit.
[2026-05-26 07:55:59] [INFO ] State equation strengthened by 1 read => feed constraints.
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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 2 unsolved in 52 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 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
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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 9 constraints, problems are : Problem set: 0 solved, 2 unsolved in 48 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 103ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1175 ms.
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 4 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 5/5 places, 8/8 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2026-05-26 07:56:01] [INFO ] Invariant cache hit.
[2026-05-26 07:56:01] [INFO ] Implicit Places using invariants in 19 ms returned []
[2026-05-26 07:56:01] [INFO ] Invariant cache hit.
[2026-05-26 07:56:01] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-26 07:56:01] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 43 ms to find 0 implicit places.
[2026-05-26 07:56:01] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 49 ms. Remains : 5/5 places, 8/8 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-26 07:56:01] [INFO ] Flatten gal took : 1 ms
[2026-05-26 07:56:01] [INFO ] Applying decomposition
[2026-05-26 07:56:01] [INFO ] Flatten gal took : 0 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph1878847983104969799.txt' '-o' '/tmp/graph1878847983104969799.bin' '-w' '/tmp/graph1878847983104969799.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph1878847983104969799.bin' '-l' '-1' '-v' '-w' '/tmp/graph1878847983104969799.weights' '-q' '0' '-e' '0.001'
[2026-05-26 07:56:01] [INFO ] Decomposing Gal with order
[2026-05-26 07:56:01] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 07:56:01] [INFO ] Flatten gal took : 2 ms
[2026-05-26 07:56:01] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2026-05-26 07:56:01] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6380363340088643849.gal : 1 ms
[2026-05-26 07:56:01] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14103996920443960274.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality6380363340088643849.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14103996920443960274.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality14103996920443960274.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :69 after 134
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :134 after 263
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :263 after 520
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :520 after 1033
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :153607 after 390509
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :390509 after 406495
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :406495 after 406516
Detected timeout of ITS tools.
Ending property specific reduction for JoinFreeModules-PT-2000-UpperBounds-11 in 61595 ms.
Starting property specific reduction for JoinFreeModules-PT-2000-UpperBounds-12
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[2002]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[2002]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6696015994365697496.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9177768498133395859.kers'
[2026-05-26 07:56:51] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6696015994365697496.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9177768498133395859.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 64 rows 40 cols 160 entries
Finished phase 1 with 32 SingleSign rule and 0 generalized
[2026-05-26 07:56:51] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-9177768498133395859.kers
Total runtime 0 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[2002]
RANDOM walk for 10343 steps (2 resets) in 6 ms. (1477 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2001] Max Struct:[2002]
[2026-05-26 07:56:51] [INFO ] Invariant cache hit.
[2026-05-26 07:56:51] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-26 07:56:51] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2026-05-26 07:56:51] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:56:51] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-26 07:56:51] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2026-05-26 07:56:51] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-26 07:56:51] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
[2026-05-26 07:56:51] [INFO ] Computed and/alt/rep : 48/120/48 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-26 07:56:51] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 144 ms
[2026-05-26 07:56:51] [INFO ] Added : 39 causal constraints over 10 iterations in 220 ms. Result :sat
Minimization took 19 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2001] Max Struct:[2002]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2001] Max Struct:[2002]
Support contains 1 out of 40 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 40/40 places, 64/64 transitions.
Graph (complete) has 96 edges and 40 vertex of which 5 are kept as prefixes of interest. Removing 35 places using SCC suffix rule.0 ms
Discarding 35 places :
Also discarding 56 output transitions
Drop transitions (Output transitions of discarded places.) removed 56 transitions
Applied a total of 1 rules in 5 ms. Remains 5 /40 variables (removed 35) and now considering 8/64 (removed 56) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 5/40 places, 8/64 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1143366814683832869.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1136502461623864587.kers'
[2026-05-26 07:56:53] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1143366814683832869.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1136502461623864587.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 8 rows 5 cols 20 entries
Finished phase 1 with 4 SingleSign rule and 0 generalized
[2026-05-26 07:56:53] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-1136502461623864587.kers
Total runtime 0 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[2001] Max Struct:[2002]
RANDOM walk for 1000019 steps (2 resets) in 128 ms. (7752 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 179 ms. (5555 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2001] Max Struct:[2002]
[2026-05-26 07:56:53] [INFO ] Invariant cache hit.
[2026-05-26 07:56:53] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 07:56:53] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2026-05-26 07:56:53] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 07:56:53] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 07:56:54] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2026-05-26 07:56:54] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-26 07:56:54] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-26 07:56:54] [INFO ] Computed and/alt/rep : 6/15/6 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-26 07:56:54] [INFO ] Added : 5 causal constraints over 2 iterations in 8 ms. Result :sat
Minimization took 7 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2001] Max Struct:[2002]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2001] Max Struct:[2002]
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 5/5 places, 8/8 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2026-05-26 07:56:54] [INFO ] Invariant cache hit.
[2026-05-26 07:56:54] [INFO ] Implicit Places using invariants in 17 ms returned []
[2026-05-26 07:56:54] [INFO ] Invariant cache hit.
[2026-05-26 07:56:54] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-26 07:56:54] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 39 ms to find 0 implicit places.
[2026-05-26 07:56:54] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44 ms. Remains : 5/5 places, 8/8 transitions.
[2026-05-26 07:56:54] [INFO ] Flatten gal took : 1 ms
[2026-05-26 07:56:54] [INFO ] Flatten gal took : 0 ms
[2026-05-26 07:56:54] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality18133458763392191527.gal : 1 ms
RANDOM walk for 40965 steps (8 resets) in 10 ms. (3724 steps per ms) remains 2/2 properties
[2026-05-26 07:56:54] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7926581711979497827.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality18133458763392191527.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7926581711979497827.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality7926581711979497827.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :8 after 25
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :25 after 76
BEST_FIRST walk for 40004 steps (8 resets) in 30 ms. (1290 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :76 after 246
BEST_FIRST walk for 40004 steps (8 resets) in 34 ms. (1142 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :246 after 851
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :851 after 3104
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :3104 after 11747
Interrupted probabilistic random walk after 667663 steps, run timeout after 3001 ms. (steps per millisecond=222 ) properties seen :0 out of 2
Probabilistic random walk after 667663 steps, saw 289642 distinct states, run finished after 3001 ms. (steps per millisecond=222 ) properties seen :0
[2026-05-26 07:56:57] [INFO ] Invariant cache hit.
[2026-05-26 07:56:57] [INFO ] State equation strengthened by 1 read => feed constraints.
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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 2 unsolved in 50 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 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
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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 9 constraints, problems are : Problem set: 0 solved, 2 unsolved in 52 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 105ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1726 ms.
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 5/5 places, 8/8 transitions.
RANDOM walk for 40922 steps (8 resets) in 13 ms. (2923 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 34 ms. (1142 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 25 ms. (1538 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 679444 steps, run timeout after 3001 ms. (steps per millisecond=226 ) properties seen :0 out of 2
Probabilistic random walk after 679444 steps, saw 293802 distinct states, run finished after 3001 ms. (steps per millisecond=226 ) properties seen :0
[2026-05-26 07:57:02] [INFO ] Invariant cache hit.
[2026-05-26 07:57:02] [INFO ] State equation strengthened by 1 read => feed constraints.
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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 2 unsolved in 53 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 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
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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 9 constraints, problems are : Problem set: 0 solved, 2 unsolved in 51 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 109ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1119 ms.
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 5/5 places, 8/8 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2026-05-26 07:57:03] [INFO ] Invariant cache hit.
[2026-05-26 07:57:03] [INFO ] Implicit Places using invariants in 17 ms returned []
[2026-05-26 07:57:03] [INFO ] Invariant cache hit.
[2026-05-26 07:57:03] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-26 07:57:03] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 43 ms to find 0 implicit places.
[2026-05-26 07:57:03] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 49 ms. Remains : 5/5 places, 8/8 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-26 07:57:03] [INFO ] Flatten gal took : 1 ms
[2026-05-26 07:57:03] [INFO ] Applying decomposition
[2026-05-26 07:57:03] [INFO ] Flatten gal took : 1 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph2499365978313071648.txt' '-o' '/tmp/graph2499365978313071648.bin' '-w' '/tmp/graph2499365978313071648.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph2499365978313071648.bin' '-l' '-1' '-v' '-w' '/tmp/graph2499365978313071648.weights' '-q' '0' '-e' '0.001'
[2026-05-26 07:57:03] [INFO ] Decomposing Gal with order
[2026-05-26 07:57:03] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 07:57:03] [INFO ] Flatten gal took : 2 ms
[2026-05-26 07:57:03] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-26 07:57:03] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2873469388455717152.gal : 0 ms
[2026-05-26 07:57:03] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13679923302454114529.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality2873469388455717152.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13679923302454114529.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality13679923302454114529.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :69 after 134
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :134 after 263
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :263 after 520
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :520 after 1033
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :163573 after 400502
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :400502 after 412489
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :412489 after 696912
Detected timeout of ITS tools.
Ending property specific reduction for JoinFreeModules-PT-2000-UpperBounds-12 in 62059 ms.
[2026-05-26 07:57:53] [INFO ] Flatten gal took : 3 ms
[2026-05-26 07:57:53] [INFO ] Applying decomposition
[2026-05-26 07:57:53] [INFO ] Flatten gal took : 3 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph9250260832359517050.txt' '-o' '/tmp/graph9250260832359517050.bin' '-w' '/tmp/graph9250260832359517050.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph9250260832359517050.bin' '-l' '-1' '-v' '-w' '/tmp/graph9250260832359517050.weights' '-q' '0' '-e' '0.001'
[2026-05-26 07:57:53] [INFO ] Decomposing Gal with order
[2026-05-26 07:57:53] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 07:57:53] [INFO ] Flatten gal took : 4 ms
[2026-05-26 07:57:53] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-26 07:57:53] [INFO ] Time to serialize gal into /tmp/UpperBounds4798209134089080416.gal : 1 ms
[2026-05-26 07:57:53] [INFO ] Time to serialize properties into /tmp/UpperBounds1023590313769522063.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds4798209134089080416.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds1023590313769522063.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...283
Loading property file /tmp/UpperBounds1023590313769522063.prop.
Detected timeout of ITS tools.
[2026-05-26 08:25:52] [INFO ] Flatten gal took : 4 ms
[2026-05-26 08:25:52] [INFO ] Time to serialize gal into /tmp/UpperBounds14096030786157336760.gal : 1 ms
[2026-05-26 08:25:52] [INFO ] Time to serialize properties into /tmp/UpperBounds12617199728358234709.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds14096030786157336760.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds12617199728358234709.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...306
Loading property file /tmp/UpperBounds12617199728358234709.prop.

BK_TIME_CONFINEMENT_REACHED

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /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="JoinFreeModules-PT-2000"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="itstools"
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 itstools"
echo " Input is JoinFreeModules-PT-2000, 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 r162-smll-177961107800221"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/JoinFreeModules-PT-2000.tgz
mv JoinFreeModules-PT-2000 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 ;