Execution Chart

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

Trace from the execution

Formatting '/data/sdalzilio/mcc2026-input.r178-oct2-177969020100317.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/sdalzilio/mcc2026-input.qcow2 backing_fmt=qcow2 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.........................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is MedleyB-PT-B05, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r178-oct2-177969020100317
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.8M
-rw-r--r-- 1 mcc users 8.3K Mar 7 18:24 CTLCardinality.txt
-rw-r--r-- 1 mcc users 93K Mar 7 18:24 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Mar 7 18:24 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K Mar 7 18:24 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K Mar 15 11:33 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 11:33 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 11:33 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K Mar 15 11:33 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.9K Mar 7 18:24 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 77K Mar 7 18:24 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.4K Mar 7 18:24 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 59K Mar 7 18:24 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 11:33 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 11:33 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 1.4M 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 MedleyB-PT-B05-UpperBounds-00
FORMULA_NAME MedleyB-PT-B05-UpperBounds-01
FORMULA_NAME MedleyB-PT-B05-UpperBounds-02
FORMULA_NAME MedleyB-PT-B05-UpperBounds-03
FORMULA_NAME MedleyB-PT-B05-UpperBounds-04
FORMULA_NAME MedleyB-PT-B05-UpperBounds-05
FORMULA_NAME MedleyB-PT-B05-UpperBounds-06
FORMULA_NAME MedleyB-PT-B05-UpperBounds-07
FORMULA_NAME MedleyB-PT-B05-UpperBounds-08
FORMULA_NAME MedleyB-PT-B05-UpperBounds-09
FORMULA_NAME MedleyB-PT-B05-UpperBounds-10
FORMULA_NAME MedleyB-PT-B05-UpperBounds-11
FORMULA_NAME MedleyB-PT-B05-UpperBounds-12
FORMULA_NAME MedleyB-PT-B05-UpperBounds-13
FORMULA_NAME MedleyB-PT-B05-UpperBounds-14
FORMULA_NAME MedleyB-PT-B05-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779706251642

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=MedleyB-PT-B05
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-25 10:50:53] [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]
[2026-05-25 10:50:53] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 10:50:54] [INFO ] Load time of PNML (sax parser for PT used): 214 ms
[2026-05-25 10:50:54] [INFO ] Transformed 1831 places.
[2026-05-25 10:50:54] [INFO ] Transformed 3454 transitions.
[2026-05-25 10:50:54] [INFO ] Found NUPN structural information;
[2026-05-25 10:50:54] [INFO ] Parsed PT model containing 1831 places and 3454 transitions and 22350 arcs in 385 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 25 ms.
Current structural bounds on expressions (Initiallly, because the net is safe) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16660558400550734808.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11423227955949298190.kers'
[2026-05-25 10:50:54] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16660558400550734808.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11423227955949298190.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 3454 rows 1831 cols 22350 entries
Finished phase 1 with 1824 SingleSign rule and 0 generalized
[2026-05-25 10:50:54] [INFO ] Computed 7 invariants in 17 ms
Computed 7 P flows in 22 ms.
Exported basis to /tmp/petrispot-output-11423227955949298190.kers
Total runtime 26 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
RANDOM walk for 10000 steps (90 resets) in 125 ms. (79 steps per ms)
FORMULA MedleyB-PT-B05-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyB-PT-B05-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyB-PT-B05-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyB-PT-B05-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyB-PT-B05-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyB-PT-B05-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 100008 steps (139 resets) in 138 ms. (719 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2026-05-25 10:50:54] [INFO ] Invariant cache hit.
[2026-05-25 10:50:55] [INFO ] [Real]Absence check using 7 positive place invariants in 47 ms returned sat
[2026-05-25 10:50:56] [INFO ] [Real]Absence check using state equation in 1191 ms returned sat
[2026-05-25 10:50:59] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 10:50:59] [INFO ] [Nat]Absence check using 7 positive place invariants in 31 ms returned sat
[2026-05-25 10:51:01] [INFO ] [Nat]Absence check using state equation in 1397 ms returned sat
[2026-05-25 10:51:01] [INFO ] Computed and/alt/rep : 3279/10994/3279 causal constraints (skipped 174 transitions) in 390 ms.
Maximisation of solution failed !
Minimization took 4 ms.
[2026-05-25 10:51:04] [INFO ] [Real]Absence check using 7 positive place invariants in 29 ms returned sat
[2026-05-25 10:51:06] [INFO ] [Real]Absence check using state equation in 1275 ms returned sat
[2026-05-25 10:51:06] [INFO ] Computed and/alt/rep : 3279/10994/3279 causal constraints (skipped 174 transitions) in 358 ms.
[2026-05-25 10:51:08] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 10:51:09] [INFO ] [Nat]Absence check using 7 positive place invariants in 35 ms returned sat
[2026-05-25 10:51:10] [INFO ] [Nat]Absence check using state equation in 1121 ms returned sat
[2026-05-25 10:51:14] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 1
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:308)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:874)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2280)
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)
[2026-05-25 10:51:14] [INFO ] [Real]Absence check using 7 positive place invariants in 28 ms returned sat
[2026-05-25 10:51:15] [INFO ] [Real]Absence check using state equation in 1069 ms returned sat
[2026-05-25 10:51:18] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 10:51:19] [INFO ] [Nat]Absence check using 7 positive place invariants in 30 ms returned sat
[2026-05-25 10:51:20] [INFO ] [Nat]Absence check using state equation in 1448 ms returned sat
[2026-05-25 10:51:22] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 2193 ms
[2026-05-25 10:51:22] [INFO ] Computed and/alt/rep : 3279/10994/3279 causal constraints (skipped 174 transitions) in 185 ms.
Maximisation of solution failed !
Minimization took 11 ms.
[2026-05-25 10:51:24] [INFO ] [Real]Absence check using 7 positive place invariants in 43 ms returned sat
[2026-05-25 10:51:25] [INFO ] [Real]Absence check using state equation in 1083 ms returned sat
[2026-05-25 10:51:27] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 10:51:28] [INFO ] [Nat]Absence check using 7 positive place invariants in 36 ms returned sat
[2026-05-25 10:51:29] [INFO ] [Nat]Absence check using state equation in 1123 ms returned sat
[2026-05-25 10:51:32] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 3
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:308)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:874)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2280)
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)
[2026-05-25 10:51:33] [INFO ] [Real]Absence check using 7 positive place invariants in 28 ms returned sat
[2026-05-25 10:51:35] [INFO ] [Real]Absence check using state equation in 1675 ms returned sat
[2026-05-25 10:51:37] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 4
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:308)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:874)
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)
[2026-05-25 10:51:38] [INFO ] [Real]Absence check using 7 positive place invariants in 29 ms returned sat
[2026-05-25 10:51:39] [INFO ] [Real]Absence check using state equation in 1293 ms returned sat
[2026-05-25 10:51:40] [INFO ] Computed and/alt/rep : 3279/10994/3279 causal constraints (skipped 174 transitions) in 181 ms.
[2026-05-25 10:51:41] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 10:51:41] [INFO ] [Nat]Absence check using 7 positive place invariants in 51 ms returned sat
[2026-05-25 10:51:42] [INFO ] [Nat]Absence check using state equation in 1295 ms returned sat
[2026-05-25 10:51:43] [INFO ] Computed and/alt/rep : 3279/10994/3279 causal constraints (skipped 174 transitions) in 322 ms.
Maximisation of solution failed !
Minimization took 1 ms.
[2026-05-25 10:51:46] [INFO ] [Real]Absence check using 7 positive place invariants in 59 ms returned sat
[2026-05-25 10:51:48] [INFO ] [Real]Absence check using state equation in 1367 ms returned sat
[2026-05-25 10:51:50] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 10:51:50] [INFO ] [Nat]Absence check using 7 positive place invariants in 38 ms returned sat
[2026-05-25 10:51:52] [INFO ] [Nat]Absence check using state equation in 1418 ms returned sat
[2026-05-25 10:51:56] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 6
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:308)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:874)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2280)
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)
[2026-05-25 10:51:57] [INFO ] [Real]Absence check using 7 positive place invariants in 55 ms returned sat
[2026-05-25 10:51:58] [INFO ] [Real]Absence check using state equation in 1431 ms returned sat
[2026-05-25 10:51:59] [INFO ] Computed and/alt/rep : 3279/10994/3279 causal constraints (skipped 174 transitions) in 203 ms.
[2026-05-25 10:51:59] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 10:52:00] [INFO ] [Nat]Absence check using 7 positive place invariants in 40 ms returned sat
[2026-05-25 10:52:01] [INFO ] [Nat]Absence check using state equation in 1194 ms returned sat
[2026-05-25 10:52:05] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 7
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:308)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:874)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2280)
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)
[2026-05-25 10:52:06] [INFO ] [Real]Absence check using 7 positive place invariants in 29 ms returned sat
[2026-05-25 10:52:07] [INFO ] [Real]Absence check using state equation in 1131 ms returned sat
[2026-05-25 10:52:11] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 8
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:308)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:874)
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)
[2026-05-25 10:52:11] [INFO ] [Real]Absence check using 7 positive place invariants in 38 ms returned sat
[2026-05-25 10:52:13] [INFO ] [Real]Absence check using state equation in 1172 ms returned sat
[2026-05-25 10:52:15] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 10:52:15] [INFO ] [Nat]Absence check using 7 positive place invariants in 40 ms returned sat
[2026-05-25 10:52:17] [INFO ] [Nat]Absence check using state equation in 1424 ms returned sat
[2026-05-25 10:52:20] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 9
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:308)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:874)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2280)
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:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
Support contains 10 out of 1831 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1831/1831 places, 3454/3454 transitions.
Graph (trivial) has 1798 edges and 1831 vertex of which 118 / 1831 are part of one of the 18 SCC in 16 ms
Free SCC test removed 100 places
Drop transitions (Empty/Sink Transition effects.) removed 129 transitions
Reduce isomorphic transitions removed 129 transitions.
Graph (complete) has 2724 edges and 1731 vertex of which 1719 are kept as prefixes of interest. Removing 12 places using SCC suffix rule.29 ms
Discarding 12 places :
Also discarding 6 output transitions
Drop transitions (Output transitions of discarded places.) removed 6 transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1362 transitions
Trivial Post-agglo rules discarded 1362 transitions
Performed 1362 trivial Post agglomeration. Transition count delta: 1362
Iterating post reduction 0 with 1368 rules applied. Total rules applied 1370 place count 1719 transition count 1951
Reduce places removed 1362 places and 0 transitions.
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 25 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 16 transitions
Trivial Post-agglo rules discarded 16 transitions
Performed 16 trivial Post agglomeration. Transition count delta: 16
Iterating post reduction 1 with 1403 rules applied. Total rules applied 2773 place count 357 transition count 1910
Reduce places removed 16 places and 0 transitions.
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Iterating post reduction 2 with 26 rules applied. Total rules applied 2799 place count 341 transition count 1900
Reduce places removed 10 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 11 rules applied. Total rules applied 2810 place count 331 transition count 1899
Performed 62 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 62 Pre rules applied. Total rules applied 2810 place count 331 transition count 1837
Deduced a syphon composed of 62 places in 11 ms
Reduce places removed 62 places and 0 transitions.
Iterating global reduction 4 with 124 rules applied. Total rules applied 2934 place count 269 transition count 1837
Discarding 71 places :
Symmetric choice reduction at 4 with 71 rule applications. Total rules 3005 place count 198 transition count 1766
Iterating global reduction 4 with 71 rules applied. Total rules applied 3076 place count 198 transition count 1766
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 3076 place count 198 transition count 1765
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 3078 place count 197 transition count 1765
Discarding 39 places :
Symmetric choice reduction at 4 with 39 rule applications. Total rules 3117 place count 158 transition count 428
Iterating global reduction 4 with 39 rules applied. Total rules applied 3156 place count 158 transition count 428
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 4 with 15 rules applied. Total rules applied 3171 place count 158 transition count 413
Discarding 12 places :
Symmetric choice reduction at 5 with 12 rule applications. Total rules 3183 place count 146 transition count 401
Iterating global reduction 5 with 12 rules applied. Total rules applied 3195 place count 146 transition count 401
Discarding 12 places :
Symmetric choice reduction at 5 with 12 rule applications. Total rules 3207 place count 134 transition count 389
Iterating global reduction 5 with 12 rules applied. Total rules applied 3219 place count 134 transition count 389
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 5 with 11 rules applied. Total rules applied 3230 place count 134 transition count 378
Performed 19 Post agglomeration using F-continuation condition.Transition count delta: 19
Deduced a syphon composed of 19 places in 0 ms
Reduce places removed 19 places and 0 transitions.
Iterating global reduction 6 with 38 rules applied. Total rules applied 3268 place count 115 transition count 359
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 3269 place count 115 transition count 358
Discarding 6 places :
Symmetric choice reduction at 7 with 6 rule applications. Total rules 3275 place count 109 transition count 352
Iterating global reduction 7 with 6 rules applied. Total rules applied 3281 place count 109 transition count 352
Discarding 6 places :
Symmetric choice reduction at 7 with 6 rule applications. Total rules 3287 place count 103 transition count 346
Iterating global reduction 7 with 6 rules applied. Total rules applied 3293 place count 103 transition count 346
Discarding 6 places :
Symmetric choice reduction at 7 with 6 rule applications. Total rules 3299 place count 97 transition count 340
Iterating global reduction 7 with 6 rules applied. Total rules applied 3305 place count 97 transition count 340
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -8
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 7 with 8 rules applied. Total rules applied 3313 place count 93 transition count 348
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 3314 place count 93 transition count 347
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 8 with 1 rules applied. Total rules applied 3315 place count 93 transition count 346
Free-agglomeration rule applied 38 times.
Iterating global reduction 8 with 38 rules applied. Total rules applied 3353 place count 93 transition count 308
Reduce places removed 38 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 8 with 55 rules applied. Total rules applied 3408 place count 55 transition count 291
Discarding 6 places :
Symmetric choice reduction at 9 with 6 rule applications. Total rules 3414 place count 49 transition count 285
Iterating global reduction 9 with 6 rules applied. Total rules applied 3420 place count 49 transition count 285
Drop transitions (Redundant composition of simpler transitions.) removed 99 transitions
Redundant transition composition rules discarded 99 transitions
Iterating global reduction 9 with 99 rules applied. Total rules applied 3519 place count 49 transition count 186
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 9 with 2 rules applied. Total rules applied 3521 place count 49 transition count 184
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 9 with 2 rules applied. Total rules applied 3523 place count 47 transition count 184
Partial Free-agglomeration rule applied 7 times.
Drop transitions (Partial Free agglomeration) removed 7 transitions
Iterating global reduction 10 with 7 rules applied. Total rules applied 3530 place count 47 transition count 184
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 10 with 4 rules applied. Total rules applied 3534 place count 47 transition count 180
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 10 with 1 rules applied. Total rules applied 3535 place count 47 transition count 180
Applied a total of 3535 rules in 465 ms. Remains 47 /1831 variables (removed 1784) and now considering 180/3454 (removed 3274) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 472 ms. Remains : 47/1831 places, 180/3454 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17767211838109486986.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14587080574354762074.kers'
[2026-05-25 10:52:21] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17767211838109486986.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14587080574354762074.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 180 rows 46 cols 1002 entries
Finished phase 1 with 40 SingleSign rule and 0 generalized
[2026-05-25 10:52:21] [INFO ] Computed 7 invariants in 0 ms
Computed 7 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-14587080574354762074.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
RANDOM walk for 1000000 steps (2 resets) in 4697 ms. (212 steps per ms)
FORMULA MedleyB-PT-B05-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyB-PT-B05-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyB-PT-B05-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyB-PT-B05-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyB-PT-B05-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyB-PT-B05-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyB-PT-B05-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyB-PT-B05-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyB-PT-B05-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyB-PT-B05-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000001 steps (2 resets) in 432 ms. (2309 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 92808 ms.

BK_STOP 1779706346685

--------------------
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="MedleyB-PT-B05"
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 MedleyB-PT-B05, 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 r178-oct2-177969020100317"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/MedleyB-PT-B05.tgz
mv MedleyB-PT-B05 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 ;