fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r034-tall-177946842000557
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for BusinessProcesses-PT-14

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
492.831 48879.00 62430.00 1488.40 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 normal

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.r034-tall-177946842000557.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)
..............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is BusinessProcesses-PT-14, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r034-tall-177946842000557
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 580K
-rw-r--r-- 1 mcc users 7.8K Mar 5 17:49 CTLCardinality.txt
-rw-r--r-- 1 mcc users 86K Mar 5 17:49 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K Mar 5 17:49 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K Mar 5 17:49 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 15 07:46 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Mar 15 07:46 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 07:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 07:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 5 17:49 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 115K Mar 5 17:49 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.7K Mar 5 17:49 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 40K Mar 5 17:49 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 07:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 07:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 156K 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 BusinessProcesses-PT-14-UpperBounds-00
FORMULA_NAME BusinessProcesses-PT-14-UpperBounds-01
FORMULA_NAME BusinessProcesses-PT-14-UpperBounds-02
FORMULA_NAME BusinessProcesses-PT-14-UpperBounds-03
FORMULA_NAME BusinessProcesses-PT-14-UpperBounds-04
FORMULA_NAME BusinessProcesses-PT-14-UpperBounds-05
FORMULA_NAME BusinessProcesses-PT-14-UpperBounds-06
FORMULA_NAME BusinessProcesses-PT-14-UpperBounds-07
FORMULA_NAME BusinessProcesses-PT-14-UpperBounds-08
FORMULA_NAME BusinessProcesses-PT-14-UpperBounds-09
FORMULA_NAME BusinessProcesses-PT-14-UpperBounds-10
FORMULA_NAME BusinessProcesses-PT-14-UpperBounds-11
FORMULA_NAME BusinessProcesses-PT-14-UpperBounds-12
FORMULA_NAME BusinessProcesses-PT-14-UpperBounds-13
FORMULA_NAME BusinessProcesses-PT-14-UpperBounds-14
FORMULA_NAME BusinessProcesses-PT-14-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779622900669

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BusinessProcesses-PT-14
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-24 11:41:41] [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]
[2026-05-24 11:41:41] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 11:41:42] [INFO ] Load time of PNML (sax parser for PT used): 96 ms
[2026-05-24 11:41:42] [INFO ] Transformed 624 places.
[2026-05-24 11:41:42] [INFO ] Transformed 564 transitions.
[2026-05-24 11:41:42] [INFO ] Found NUPN structural information;
[2026-05-24 11:41:42] [INFO ] Parsed PT model containing 624 places and 564 transitions and 1657 arcs in 195 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 6 ms.
Deduced a syphon composed of 8 places in 9 ms
Reduce places removed 8 places and 8 transitions.
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-3190031142801336615.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2280133449987874669.kers'
[2026-05-24 11:41:42] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3190031142801336615.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2280133449987874669.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 556 rows 616 cols 1641 entries
Finished phase 1 with 440 SingleSign rule and 77 generalized
[2026-05-24 11:41:42] [INFO ] Computed 99 invariants in 4 ms
Computed 99 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-2280133449987874669.kers
Total runtime 6 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 (68 resets) in 64 ms. (153 steps per ms)
FORMULA BusinessProcesses-PT-14-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BusinessProcesses-PT-14-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BusinessProcesses-PT-14-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BusinessProcesses-PT-14-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BusinessProcesses-PT-14-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BusinessProcesses-PT-14-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BusinessProcesses-PT-14-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BusinessProcesses-PT-14-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BusinessProcesses-PT-14-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 70005 steps (81 resets) in 91 ms. (760 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1]
[2026-05-24 11:41:42] [INFO ] Invariant cache hit.
[2026-05-24 11:41:42] [INFO ] [Real]Absence check using 81 positive place invariants in 39 ms returned sat
[2026-05-24 11:41:42] [INFO ] [Real]Absence check using 81 positive and 18 generalized place invariants in 23 ms returned sat
[2026-05-24 11:41:42] [INFO ] [Real]Absence check using state equation in 179 ms returned sat
[2026-05-24 11:41:43] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 11:41:43] [INFO ] [Nat]Absence check using 81 positive place invariants in 34 ms returned sat
[2026-05-24 11:41:43] [INFO ] [Nat]Absence check using 81 positive and 18 generalized place invariants in 18 ms returned sat
[2026-05-24 11:41:43] [INFO ] [Nat]Absence check using state equation in 184 ms returned sat
[2026-05-24 11:41:45] [INFO ] Trap strengthening (SAT) tested/added 16/15 trap constraints in 2281 ms
[2026-05-24 11:41:45] [INFO ] Computed and/alt/rep : 522/857/522 causal constraints (skipped 33 transitions) in 33 ms.
Maximisation of solution failed !
Minimization took 2 ms.
[2026-05-24 11:41:48] [INFO ] [Real]Absence check using 81 positive place invariants in 35 ms returned sat
[2026-05-24 11:41:48] [INFO ] [Real]Absence check using 81 positive and 18 generalized place invariants in 18 ms returned sat
[2026-05-24 11:41:48] [INFO ] [Real]Absence check using state equation in 196 ms returned sat
[2026-05-24 11:41:48] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 11:41:48] [INFO ] [Nat]Absence check using 81 positive place invariants in 30 ms returned sat
[2026-05-24 11:41:48] [INFO ] [Nat]Absence check using 81 positive and 18 generalized place invariants in 18 ms returned sat
[2026-05-24 11:41:49] [INFO ] [Nat]Absence check using state equation in 193 ms returned sat
[2026-05-24 11:41:54] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 1
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java: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)
[2026-05-24 11:41:54] [INFO ] [Real]Absence check using 81 positive place invariants in 28 ms returned sat
[2026-05-24 11:41:54] [INFO ] [Real]Absence check using 81 positive and 18 generalized place invariants in 21 ms returned sat
[2026-05-24 11:41:54] [INFO ] [Real]Absence check using state equation in 211 ms returned sat
[2026-05-24 11:41:54] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 11:41:54] [INFO ] [Nat]Absence check using 81 positive place invariants in 29 ms returned sat
[2026-05-24 11:41:54] [INFO ] [Nat]Absence check using 81 positive and 18 generalized place invariants in 21 ms returned sat
[2026-05-24 11:41:55] [INFO ] [Nat]Absence check using state equation in 207 ms returned sat
[2026-05-24 11:41:59] [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 2
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)
[2026-05-24 11:41:59] [INFO ] [Real]Absence check using 81 positive place invariants in 28 ms returned sat
[2026-05-24 11:41:59] [INFO ] [Real]Absence check using 81 positive and 18 generalized place invariants in 18 ms returned sat
[2026-05-24 11:42:00] [INFO ] [Real]Absence check using state equation in 201 ms returned sat
[2026-05-24 11:42:00] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 11:42:00] [INFO ] [Nat]Absence check using 81 positive place invariants in 34 ms returned sat
[2026-05-24 11:42:00] [INFO ] [Nat]Absence check using 81 positive and 18 generalized place invariants in 18 ms returned sat
[2026-05-24 11:42:00] [INFO ] [Nat]Absence check using state equation in 233 ms returned sat
[2026-05-24 11:42:04] [INFO ] Trap strengthening (SAT) tested/added 29/28 trap constraints in 3605 ms
[2026-05-24 11:42:04] [INFO ] Computed and/alt/rep : 522/857/522 causal constraints (skipped 33 transitions) in 22 ms.
[2026-05-24 11:42:05] [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 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.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1143)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:881)
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)
[2026-05-24 11:42:05] [INFO ] [Real]Absence check using 81 positive place invariants in 27 ms returned sat
[2026-05-24 11:42:05] [INFO ] [Real]Absence check using 81 positive and 18 generalized place invariants in 18 ms returned sat
[2026-05-24 11:42:05] [INFO ] [Real]Absence check using state equation in 214 ms returned sat
[2026-05-24 11:42:05] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 11:42:06] [INFO ] [Nat]Absence check using 81 positive place invariants in 29 ms returned sat
[2026-05-24 11:42:06] [INFO ] [Nat]Absence check using 81 positive and 18 generalized place invariants in 19 ms returned sat
[2026-05-24 11:42:06] [INFO ] [Nat]Absence check using state equation in 215 ms returned sat
[2026-05-24 11:42:11] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 4
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java: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)
[2026-05-24 11:42:11] [INFO ] [Real]Absence check using 81 positive place invariants in 30 ms returned sat
[2026-05-24 11:42:11] [INFO ] [Real]Absence check using 81 positive and 18 generalized place invariants in 31 ms returned sat
[2026-05-24 11:42:11] [INFO ] [Real]Absence check using state equation in 223 ms returned sat
[2026-05-24 11:42:11] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 11:42:11] [INFO ] [Nat]Absence check using 81 positive place invariants in 31 ms returned sat
[2026-05-24 11:42:11] [INFO ] [Nat]Absence check using 81 positive and 18 generalized place invariants in 19 ms returned sat
[2026-05-24 11:42:12] [INFO ] [Nat]Absence check using state equation in 237 ms returned sat
[2026-05-24 11:42:14] [INFO ] Trap strengthening (SAT) tested/added 17/16 trap constraints in 2321 ms
[2026-05-24 11:42:14] [INFO ] Computed and/alt/rep : 522/857/522 causal constraints (skipped 33 transitions) in 26 ms.
[2026-05-24 11:42:16] [INFO ] Added : 185 causal constraints over 37 iterations in 2287 ms. Result :unknown
[2026-05-24 11:42:16] [INFO ] [Real]Absence check using 81 positive place invariants in 27 ms returned sat
[2026-05-24 11:42:16] [INFO ] [Real]Absence check using 81 positive and 18 generalized place invariants in 25 ms returned sat
[2026-05-24 11:42:17] [INFO ] [Real]Absence check using state equation in 199 ms returned sat
[2026-05-24 11:42:17] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 11:42:17] [INFO ] [Nat]Absence check using 81 positive place invariants in 27 ms returned sat
[2026-05-24 11:42:17] [INFO ] [Nat]Absence check using 81 positive and 18 generalized place invariants in 25 ms returned sat
[2026-05-24 11:42:17] [INFO ] [Nat]Absence check using state equation in 199 ms returned sat
[2026-05-24 11:42:24] [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)
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 1, 1, 1, 0, 1, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1]
FORMULA BusinessProcesses-PT-14-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL PARIKH_GUIDED_WALK
FORMULA BusinessProcesses-PT-14-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL PARIKH_GUIDED_WALK
FORMULA BusinessProcesses-PT-14-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL PARIKH_GUIDED_WALK
FORMULA BusinessProcesses-PT-14-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL PARIKH_GUIDED_WALK
FORMULA BusinessProcesses-PT-14-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL PARIKH_GUIDED_WALK
Support contains 2 out of 616 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 616/616 places, 556/556 transitions.
Graph (trivial) has 357 edges and 616 vertex of which 7 / 616 are part of one of the 1 SCC in 7 ms
Free SCC test removed 6 places
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Graph (complete) has 1252 edges and 610 vertex of which 604 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.2 ms
Discarding 6 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 141 transitions
Trivial Post-agglo rules discarded 141 transitions
Performed 141 trivial Post agglomeration. Transition count delta: 141
Iterating post reduction 0 with 141 rules applied. Total rules applied 143 place count 604 transition count 406
Reduce places removed 141 places and 0 transitions.
Iterating post reduction 1 with 141 rules applied. Total rules applied 284 place count 463 transition count 406
Performed 89 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 89 Pre rules applied. Total rules applied 284 place count 463 transition count 317
Deduced a syphon composed of 89 places in 1 ms
Ensure Unique test removed 17 places
Reduce places removed 106 places and 0 transitions.
Iterating global reduction 2 with 195 rules applied. Total rules applied 479 place count 357 transition count 317
Discarding 83 places :
Symmetric choice reduction at 2 with 83 rule applications. Total rules 562 place count 274 transition count 234
Iterating global reduction 2 with 83 rules applied. Total rules applied 645 place count 274 transition count 234
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 10 Pre rules applied. Total rules applied 645 place count 274 transition count 224
Deduced a syphon composed of 10 places in 1 ms
Ensure Unique test removed 3 places
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 2 with 23 rules applied. Total rules applied 668 place count 261 transition count 224
Performed 93 Post agglomeration using F-continuation condition.Transition count delta: 93
Deduced a syphon composed of 93 places in 0 ms
Ensure Unique test removed 2 places
Reduce places removed 95 places and 0 transitions.
Iterating global reduction 2 with 188 rules applied. Total rules applied 856 place count 166 transition count 131
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -4
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 858 place count 165 transition count 135
Free-agglomeration rule applied 2 times.
Iterating global reduction 2 with 2 rules applied. Total rules applied 860 place count 165 transition count 133
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 862 place count 163 transition count 133
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 863 place count 163 transition count 133
Applied a total of 863 rules in 131 ms. Remains 163 /616 variables (removed 453) and now considering 133/556 (removed 423) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 137 ms. Remains : 163/616 places, 133/556 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6726866312644772840.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7918932880583152160.kers'
[2026-05-24 11:42:24] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6726866312644772840.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7918932880583152160.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 133 rows 162 cols 795 entries
Finished phase 1 with 50 SingleSign rule and 41 generalized
[2026-05-24 11:42:24] [INFO ] Computed 72 invariants in 0 ms
Computed 72 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-7918932880583152160.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0] Max Struct:[1, 1]
RANDOM walk for 1000000 steps (43989 resets) in 3053 ms. (327 steps per ms)
FORMULA BusinessProcesses-PT-14-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BusinessProcesses-PT-14-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000001 steps (21219 resets) in 1891 ms. (528 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 47670 ms.

BK_STOP 1779622949548

--------------------
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="BusinessProcesses-PT-14"
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 BusinessProcesses-PT-14, 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 r034-tall-177946842000557"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BusinessProcesses-PT-14.tgz
mv BusinessProcesses-PT-14 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 ;