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.r210-smll-177969941900085.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 Philosophers-COL-010000, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r210-smll-177969941900085
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 856K
-rw-r--r-- 1 mcc users 6.1K Mar 5 11:32 CTLCardinality.txt
-rw-r--r-- 1 mcc users 58K Mar 5 11:32 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.5K Mar 5 11:16 CTLFireability.txt
-rw-r--r-- 1 mcc users 36K Mar 5 11:16 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.2K Mar 16 08:38 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Mar 16 08:38 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 16 08:38 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 16 08:38 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 5 12:21 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 109K Mar 5 12:21 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.1K Mar 5 11:56 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 68K Mar 5 11:56 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 16 08:38 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 16 08:38 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_pt
-rw-r--r-- 1 mcc users 7 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 447K 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 Philosophers-COL-010000-UpperBounds-00
FORMULA_NAME Philosophers-COL-010000-UpperBounds-01
FORMULA_NAME Philosophers-COL-010000-UpperBounds-02
FORMULA_NAME Philosophers-COL-010000-UpperBounds-03
FORMULA_NAME Philosophers-COL-010000-UpperBounds-04
FORMULA_NAME Philosophers-COL-010000-UpperBounds-05
FORMULA_NAME Philosophers-COL-010000-UpperBounds-06
FORMULA_NAME Philosophers-COL-010000-UpperBounds-07
FORMULA_NAME Philosophers-COL-010000-UpperBounds-08
FORMULA_NAME Philosophers-COL-010000-UpperBounds-09
FORMULA_NAME Philosophers-COL-010000-UpperBounds-10
FORMULA_NAME Philosophers-COL-010000-UpperBounds-11
FORMULA_NAME Philosophers-COL-010000-UpperBounds-12
FORMULA_NAME Philosophers-COL-010000-UpperBounds-13
FORMULA_NAME Philosophers-COL-010000-UpperBounds-14
FORMULA_NAME Philosophers-COL-010000-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779840894442

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Philosophers-COL-010000
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
UpperBounds COL
Running Version 202604301425
[2026-05-27 00:14:56] [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]
[2026-05-27 00:14:57] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-27 00:14:57] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2026-05-27 00:14:58] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-27 00:14:59] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 1740 ms
[2026-05-27 00:14:59] [INFO ] Imported 5 HL places and 5 HL transitions for a total of 50000 PT places and 50000.0 transition bindings in 32 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 9 ms.
Reduction of identical properties reduced properties to check from 16 to 5
[2026-05-27 00:14:59] [INFO ] Built PT skeleton of HLPN with 5 places and 5 transitions 15 arcs in 8 ms.
[2026-05-27 00:14:59] [INFO ] Skeletonized 5 HLPN properties in 0 ms.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7030620745731856152.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6933754082519498151.kers'
[2026-05-27 00:14:59] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7030620745731856152.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6933754082519498151.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 5 rows 5 cols 15 entries
Finished phase 1 with 3 SingleSign rule and 0 generalized
[2026-05-27 00:14:59] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-6933754082519498151.kers
Total runtime 1 ms.
Current structural bounds on expressions (after Invariants on skeleton) : Max Seen:[10000, 0, 10000, 0, 0] Max Struct:[10000, 5000, 10000, 10000, 10000]
FORMULA Philosophers-COL-010000-UpperBounds-06 10000 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA Philosophers-COL-010000-UpperBounds-09 10000 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA Philosophers-COL-010000-UpperBounds-10 10000 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA Philosophers-COL-010000-UpperBounds-13 10000 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA Philosophers-COL-010000-UpperBounds-15 10000 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA Philosophers-COL-010000-UpperBounds-02 10000 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA Philosophers-COL-010000-UpperBounds-00 10000 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
[2026-05-27 00:14:59] [INFO ] Invariant cache hit.
[2026-05-27 00:14:59] [INFO ] [Real]Absence check using 2 positive place invariants in 7 ms returned sat
[2026-05-27 00:14:59] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2026-05-27 00:14:59] [INFO ] Computed and/alt/rep : 3/4/3 causal constraints (skipped 0 transitions) in 11 ms.
[2026-05-27 00:14:59] [INFO ] Added : 1 causal constraints over 1 iterations in 38 ms. Result :sat
Minimization took 15 ms.
[2026-05-27 00:14:59] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 00:14:59] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2026-05-27 00:14:59] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2026-05-27 00:14:59] [INFO ] Computed and/alt/rep : 3/4/3 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-27 00:14:59] [INFO ] Added : 1 causal constraints over 1 iterations in 25 ms. Result :sat
Minimization took 7 ms.
[2026-05-27 00:14:59] [INFO ] [Real]Absence check using 2 positive place invariants in 3 ms returned sat
[2026-05-27 00:14:59] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-27 00:14:59] [INFO ] Computed and/alt/rep : 3/4/3 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-27 00:14:59] [INFO ] Added : 0 causal constraints over 0 iterations in 9 ms. Result :sat
Minimization took 5 ms.
[2026-05-27 00:14:59] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-27 00:14:59] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2026-05-27 00:14:59] [INFO ] Computed and/alt/rep : 3/4/3 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-27 00:14:59] [INFO ] Added : 0 causal constraints over 0 iterations in 14 ms. Result :sat
Minimization took 6 ms.
Current structural bounds on expressions (after SMT on skeleton) : Max Seen:[0, 0, 0] Max Struct:[5000, 10000, 10000]
Arc [1:1*[(MOD (ADD (MOD (MINUS $x 1) 10000) 10000) 10000)]] contains successor/predecessor on variables of sort Philo
[2026-05-27 00:15:00] [INFO ] Unfolded HLPN to a Petri net with 50000 places and 50000 transitions 160000 arcs in 688 ms.
[2026-05-27 00:15:00] [INFO ] Unfolded 3 HLPN properties in 8 ms.
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0] Max Struct:[+inf, +inf, +inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0, 0, 0] Max Struct:[5000, 10000, 10000]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0] Max Struct:[5000, 10000, 10000]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12741418323417262239.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11600575207955576038.kers'
[2026-05-27 00:15:01] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12741418323417262239.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11600575207955576038.kers]
Culled 0 columns in 72 ms.
// Phase 1: matrix 50000 rows 50000 cols 160000 entries
Finished phase 1 with 30000 SingleSign rule and 0 generalized
[2026-05-27 00:15:01] [INFO ] Computed 20000 invariants in 304 ms
Computed 20000 P flows in 308 ms.
Exported basis to /tmp/petrispot-output-11600575207955576038.kers
Total runtime 372 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0] Max Struct:[5000, 10000, 10000]
RANDOM walk for 4891 steps (1 resets) in 30002 ms. (0 steps per ms)
BEST_FIRST walk for 17003 steps (0 resets) in 15830 ms. (1 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[252, 1388, 1373] Max Struct:[5000, 10000, 10000]
[2026-05-27 00:15:47] [INFO ] Invariant cache hit.
[2026-05-27 00:15:52] [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 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:832)
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)
[2026-05-27 00:15:57] [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 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:832)
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)
[2026-05-27 00:16:02] [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 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:832)
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:[252, 1388, 1373] Max Struct:[5000, 10000, 10000]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[252, 1388, 1373] Max Struct:[5000, 10000, 10000]
Support contains 30000 out of 50000 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 50000/50000 places, 50000/50000 transitions.
Applied a total of 0 rules in 910 ms. Remains 50000 /50000 variables (removed 0) and now considering 50000/50000 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 938 ms. Remains : 50000/50000 places, 50000/50000 transitions.
[2026-05-27 00:16:03] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[252, 1388, 1373] Max Struct:[5000, 10000, 10000]
RANDOM walk for 5232 steps (0 resets) in 30001 ms. (0 steps per ms)
BEST_FIRST walk for 18003 steps (0 resets) in 16038 ms. (1 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[581, 1946, 1857] Max Struct:[5000, 10000, 10000]
[2026-05-27 00:16:50] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after SMT) : Max Seen:[581, 1946, 1857] Max Struct:[5000, 10000, 10000]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[581, 1946, 1857] Max Struct:[5000, 10000, 10000]
Support contains 30000 out of 50000 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 50000/50000 places, 50000/50000 transitions.
Applied a total of 0 rules in 542 ms. Remains 50000 /50000 variables (removed 0) and now considering 50000/50000 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 543 ms. Remains : 50000/50000 places, 50000/50000 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 50000/50000 places, 50000/50000 transitions.
Applied a total of 0 rules in 393 ms. Remains 50000 /50000 variables (removed 0) and now considering 50000/50000 (removed 0) transitions.
[2026-05-27 00:17:29] [INFO ] Invariant cache hit.
[2026-05-27 00:18:44] [INFO ] Performed 3901/50000 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-27 00:19:14] [INFO ] Performed 7620/50000 implicitness test of which 0 returned IMPLICIT in 60 seconds.
[2026-05-27 00:19:44] [INFO ] Performed 11628/50000 implicitness test of which 0 returned IMPLICIT in 90 seconds.
[2026-05-27 00:20:09] [INFO ] Implicit Places using invariants in 160074 ms returned []
Implicit Place search using SMT only with invariants took 160076 ms to find 0 implicit places.
Running 30000 sub problems to find dead transitions.
[2026-05-27 00:20:09] [INFO ] Invariant cache hit.
SMT process timed out in 216810ms, After SMT, problems are : Problem set: 0 solved, 30000 unsolved
Search for dead transitions found 0 dead transitions in 217122ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 377881 ms. Remains : 50000/50000 places, 50000/50000 transitions.
[2026-05-27 00:23:46] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[581, 1946, 1857] Max Struct:[5000, 10000, 10000]
RANDOM walk for 5162 steps (0 resets) in 30002 ms. (0 steps per ms)
BEST_FIRST walk for 19003 steps (0 resets) in 15859 ms. (1 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[581, 1946, 1888] Max Struct:[5000, 10000, 10000]
[2026-05-27 00:24:32] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after SMT) : Max Seen:[581, 1946, 1888] Max Struct:[5000, 10000, 10000]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[581, 1946, 1888] Max Struct:[5000, 10000, 10000]
Support contains 30000 out of 50000 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 50000/50000 places, 50000/50000 transitions.
Applied a total of 0 rules in 255 ms. Remains 50000 /50000 variables (removed 0) and now considering 50000/50000 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 256 ms. Remains : 50000/50000 places, 50000/50000 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 50000/50000 places, 50000/50000 transitions.
Applied a total of 0 rules in 255 ms. Remains 50000 /50000 variables (removed 0) and now considering 50000/50000 (removed 0) transitions.
[2026-05-27 00:25:11] [INFO ] Invariant cache hit.
[2026-05-27 00:26:27] [INFO ] Performed 4111/50000 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-27 00:26:57] [INFO ] Performed 8252/50000 implicitness test of which 0 returned IMPLICIT in 60 seconds.
[2026-05-27 00:27:27] [INFO ] Performed 12454/50000 implicitness test of which 0 returned IMPLICIT in 90 seconds.
[2026-05-27 00:27:51] [INFO ] Implicit Places using invariants in 160041 ms returned []
Implicit Place search using SMT only with invariants took 160043 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 160302 ms. Remains : 50000/50000 places, 50000/50000 transitions.
[2026-05-27 00:27:51] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[581, 1946, 1888] Max Struct:[5000, 10000, 10000]
RANDOM walk for 5143 steps (0 resets) in 30001 ms. (0 steps per ms)
BEST_FIRST walk for 18003 steps (0 resets) in 15542 ms. (1 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[581, 1946, 1904] Max Struct:[5000, 10000, 10000]
[2026-05-27 00:28:36] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after SMT) : Max Seen:[581, 1946, 1904] Max Struct:[5000, 10000, 10000]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[581, 1946, 1904] Max Struct:[5000, 10000, 10000]
Support contains 30000 out of 50000 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 50000/50000 places, 50000/50000 transitions.
Applied a total of 0 rules in 355 ms. Remains 50000 /50000 variables (removed 0) and now considering 50000/50000 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 356 ms. Remains : 50000/50000 places, 50000/50000 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 50000/50000 places, 50000/50000 transitions.
Applied a total of 0 rules in 265 ms. Remains 50000 /50000 variables (removed 0) and now considering 50000/50000 (removed 0) transitions.
[2026-05-27 00:29:18] [INFO ] Invariant cache hit.
[2026-05-27 00:30:38] [INFO ] Performed 3941/50000 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-27 00:31:08] [INFO ] Performed 8203/50000 implicitness test of which 0 returned IMPLICIT in 60 seconds.
[2026-05-27 00:31:38] [INFO ] Performed 12366/50000 implicitness test of which 0 returned IMPLICIT in 90 seconds.
[2026-05-27 00:31:58] [INFO ] Implicit Places using invariants in 160034 ms returned []
Implicit Place search using SMT only with invariants took 160059 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 160327 ms. Remains : 50000/50000 places, 50000/50000 transitions.
[2026-05-27 00:31:58] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[581, 1946, 1904] Max Struct:[5000, 10000, 10000]
RANDOM walk for 5111 steps (0 resets) in 30003 ms. (0 steps per ms)
BEST_FIRST walk for 19003 steps (0 resets) in 16793 ms. (1 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[581, 1957, 1904] Max Struct:[5000, 10000, 10000]
[2026-05-27 00:32:45] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after SMT) : Max Seen:[581, 1957, 1904] Max Struct:[5000, 10000, 10000]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[581, 1957, 1904] Max Struct:[5000, 10000, 10000]
Support contains 30000 out of 50000 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 50000/50000 places, 50000/50000 transitions.
Applied a total of 0 rules in 271 ms. Remains 50000 /50000 variables (removed 0) and now considering 50000/50000 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 271 ms. Remains : 50000/50000 places, 50000/50000 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 50000/50000 places, 50000/50000 transitions.
Applied a total of 0 rules in 295 ms. Remains 50000 /50000 variables (removed 0) and now considering 50000/50000 (removed 0) transitions.
[2026-05-27 00:33:23] [INFO ] Invariant cache hit.
[2026-05-27 00:34:39] [INFO ] Performed 4348/50000 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-27 00:35:09] [INFO ] Performed 7998/50000 implicitness test of which 0 returned IMPLICIT in 60 seconds.
[2026-05-27 00:35:39] [INFO ] Performed 12125/50000 implicitness test of which 0 returned IMPLICIT in 90 seconds.
[2026-05-27 00:36:03] [INFO ] Implicit Places using invariants in 160055 ms returned []
Implicit Place search using SMT only with invariants took 160056 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 160355 ms. Remains : 50000/50000 places, 50000/50000 transitions.
[2026-05-27 00:36:03] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[581, 1957, 1904] Max Struct:[5000, 10000, 10000]
RANDOM walk for 5076 steps (0 resets) in 30003 ms. (0 steps per ms)
BEST_FIRST walk for 18003 steps (0 resets) in 16349 ms. (1 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[581, 1957, 1904] Max Struct:[5000, 10000, 10000]
[2026-05-27 00:36:50] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after SMT) : Max Seen:[581, 1957, 1904] Max Struct:[5000, 10000, 10000]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[581, 1957, 1904] Max Struct:[5000, 10000, 10000]
Support contains 30000 out of 50000 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 50000/50000 places, 50000/50000 transitions.
Applied a total of 0 rules in 306 ms. Remains 50000 /50000 variables (removed 0) and now considering 50000/50000 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 306 ms. Remains : 50000/50000 places, 50000/50000 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 50000/50000 places, 50000/50000 transitions.
Applied a total of 0 rules in 288 ms. Remains 50000 /50000 variables (removed 0) and now considering 50000/50000 (removed 0) transitions.
[2026-05-27 00:37:29] [INFO ] Invariant cache hit.
[2026-05-27 00:38:47] [INFO ] Performed 4769/50000 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-27 00:39:17] [INFO ] Performed 9256/50000 implicitness test of which 0 returned IMPLICIT in 60 seconds.
[2026-05-27 00:39:47] [INFO ] Performed 13418/50000 implicitness test of which 0 returned IMPLICIT in 90 seconds.
[2026-05-27 00:40:09] [INFO ] Implicit Places using invariants in 160050 ms returned []
Implicit Place search using SMT only with invariants took 160052 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 160344 ms. Remains : 50000/50000 places, 50000/50000 transitions.
[2026-05-27 00:40:15] [INFO ] Flatten gal took : 3534 ms
[2026-05-27 00:40:17] [INFO ] Flatten gal took : 2173 ms
[2026-05-27 00:40:18] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6964348371804999002.gal : 752 ms
[2026-05-27 00:40:18] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14066733169627917187.prop : 91 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/ReachabilityCardinality6964348371804999002.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14066733169627917187.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
RANDOM walk for 11392 steps (0 resets) in 120028 ms. (0 steps per ms) remains 6/6 properties
BEST_FIRST walk for 16004 steps (0 resets) in 21268 ms. (0 steps per ms) remains 6/6 properties
BEST_FIRST walk for 16004 steps (0 resets) in 22025 ms. (0 steps per ms) remains 6/6 properties
BEST_FIRST walk for 16004 steps (0 resets) in 22844 ms. (0 steps per ms) remains 6/6 properties
BEST_FIRST walk for 17004 steps (0 resets) in 21946 ms. (0 steps per ms) remains 6/6 properties
Detected timeout of ITS tools.
BEST_FIRST walk for 16004 steps (0 resets) in 23993 ms. (0 steps per ms) remains 6/6 properties
[2026-05-27 00:41:10] [INFO ] Flatten gal took : 1529 ms
[2026-05-27 00:41:10] [INFO ] Applying decomposition
[2026-05-27 00:41:12] [INFO ] Flatten gal took : 1754 ms
BEST_FIRST walk for 16004 steps (0 resets) in 22947 ms. (0 steps per ms) remains 6/6 properties
Probabilistic random walk after 6999 steps, saw 7001 distinct states, run finished after 431097 ms. (steps per millisecond=0 ) properties seen :0
[2026-05-27 00:48:31] [INFO ] Invariant cache hit.
Excessive predecessor constraint size, skipping predecessor.
SMT process timed out in 28889ms, After SMT, problems are : Problem set: 0 solved, 6 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 30000 out of 50000 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 50000/50000 places, 50000/50000 transitions.
Applied a total of 0 rules in 101134 ms. Remains 50000 /50000 variables (removed 0) and now considering 50000/50000 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 101194 ms. Remains : 50000/50000 places, 50000/50000 transitions.

BK_TIME_CONFINEMENT_REACHED

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.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="Philosophers-COL-010000"
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 Philosophers-COL-010000, 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 r210-smll-177969941900085"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Philosophers-COL-010000.tgz
mv Philosophers-COL-010000 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 ;