MCC'2026- Execution of r034-tall-177946842100581

About the Execution of ITS-Tools for BusinessProcesses-PT-17

Execution Summary
Max Memory Used (MB)	Time wait (ms)	CPU Usage (ms)	I/O Wait (ms)	Computed Result	Execution Status
504.735	79698.00	97356.00	1031.90	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-177946842100581.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 BusinessProcesses-PT-17, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r034-tall-177946842100581
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 592K
-rw-r--r-- 1 mcc users 7.0K Mar 5 17:53 CTLCardinality.txt
-rw-r--r-- 1 mcc users 72K Mar 5 17:53 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Mar 5 17:53 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K Mar 5 17:53 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.0K Mar 15 07:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 07:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 07:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 07:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.8K Mar 5 17:53 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 88K Mar 5 17:53 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 5 17:53 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 90K Mar 5 17:53 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 07:48 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 07:48 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 161K 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-17-UpperBounds-00
FORMULA_NAME BusinessProcesses-PT-17-UpperBounds-01
FORMULA_NAME BusinessProcesses-PT-17-UpperBounds-02
FORMULA_NAME BusinessProcesses-PT-17-UpperBounds-03
FORMULA_NAME BusinessProcesses-PT-17-UpperBounds-04
FORMULA_NAME BusinessProcesses-PT-17-UpperBounds-05
FORMULA_NAME BusinessProcesses-PT-17-UpperBounds-06
FORMULA_NAME BusinessProcesses-PT-17-UpperBounds-07
FORMULA_NAME BusinessProcesses-PT-17-UpperBounds-08
FORMULA_NAME BusinessProcesses-PT-17-UpperBounds-09
FORMULA_NAME BusinessProcesses-PT-17-UpperBounds-10
FORMULA_NAME BusinessProcesses-PT-17-UpperBounds-11
FORMULA_NAME BusinessProcesses-PT-17-UpperBounds-12
FORMULA_NAME BusinessProcesses-PT-17-UpperBounds-13
FORMULA_NAME BusinessProcesses-PT-17-UpperBounds-14
FORMULA_NAME BusinessProcesses-PT-17-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779625762004

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-17
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-24 12:29:23] [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 12:29:23] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 12:29:23] [INFO ] Load time of PNML (sax parser for PT used): 97 ms
[2026-05-24 12:29:23] [INFO ] Transformed 650 places.
[2026-05-24 12:29:23] [INFO ] Transformed 580 transitions.
[2026-05-24 12:29:23] [INFO ] Found NUPN structural information;
[2026-05-24 12:29:23] [INFO ] Parsed PT model containing 650 places and 580 transitions and 1709 arcs in 192 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
Deduced a syphon composed of 4 places in 12 ms
Reduce places removed 4 places and 4 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-9431942847620683894.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10582049741618759624.kers'
[2026-05-24 12:29:23] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9431942847620683894.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10582049741618759624.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 576 rows 646 cols 1701 entries
Finished phase 1 with 458 SingleSign rule and 80 generalized
[2026-05-24 12:29:23] [INFO ] Computed 108 invariants in 5 ms
Computed 108 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-10582049741618759624.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 (66 resets) in 64 ms. (153 steps per ms)
FORMULA BusinessProcesses-PT-17-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BusinessProcesses-PT-17-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BusinessProcesses-PT-17-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BusinessProcesses-PT-17-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BusinessProcesses-PT-17-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BusinessProcesses-PT-17-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 100006 steps (114 resets) in 137 ms. (724 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]
[2026-05-24 12:29:23] [INFO ] Invariant cache hit.
[2026-05-24 12:29:23] [INFO ] [Real]Absence check using 86 positive place invariants in 50 ms returned sat
[2026-05-24 12:29:24] [INFO ] [Real]Absence check using 86 positive and 22 generalized place invariants in 31 ms returned sat
[2026-05-24 12:29:24] [INFO ] [Real]Absence check using state equation in 238 ms returned sat
[2026-05-24 12:29:24] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 12:29:24] [INFO ] [Nat]Absence check using 86 positive place invariants in 31 ms returned sat
[2026-05-24 12:29:24] [INFO ] [Nat]Absence check using 86 positive and 22 generalized place invariants in 30 ms returned sat
[2026-05-24 12:29:25] [INFO ] [Nat]Absence check using state equation in 226 ms returned sat
[2026-05-24 12:29:29] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 0
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java: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 12:29:29] [INFO ] [Real]Absence check using 86 positive place invariants in 28 ms returned sat
[2026-05-24 12:29:29] [INFO ] [Real]Absence check using 86 positive and 22 generalized place invariants in 24 ms returned sat
[2026-05-24 12:29:30] [INFO ] [Real]Absence check using state equation in 220 ms returned sat
[2026-05-24 12:29:30] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 12:29:30] [INFO ] [Nat]Absence check using 86 positive place invariants in 29 ms returned sat
[2026-05-24 12:29:30] [INFO ] [Nat]Absence check using 86 positive and 22 generalized place invariants in 24 ms returned sat
[2026-05-24 12:29:30] [INFO ] [Nat]Absence check using state equation in 215 ms returned sat
[2026-05-24 12:29:35] [INFO ] Trap strengthening (SAT) tested/added 26/25 trap constraints in 4622 ms
[2026-05-24 12:29:35] [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.refineWithCausalOrder(DeadlockTester.java:960)
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 12:29:35] [INFO ] [Real]Absence check using 86 positive place invariants in 32 ms returned sat
[2026-05-24 12:29:35] [INFO ] [Real]Absence check using 86 positive and 22 generalized place invariants in 46 ms returned sat
[2026-05-24 12:29:35] [INFO ] [Real]Absence check using state equation in 230 ms returned sat
[2026-05-24 12:29:35] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 12:29:36] [INFO ] [Nat]Absence check using 86 positive place invariants in 34 ms returned sat
[2026-05-24 12:29:36] [INFO ] [Nat]Absence check using 86 positive and 22 generalized place invariants in 38 ms returned sat
[2026-05-24 12:29:36] [INFO ] [Nat]Absence check using state equation in 233 ms returned sat
[2026-05-24 12:29:42] [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 12:29:42] [INFO ] [Real]Absence check using 86 positive place invariants in 29 ms returned sat
[2026-05-24 12:29:42] [INFO ] [Real]Absence check using 86 positive and 22 generalized place invariants in 47 ms returned sat
[2026-05-24 12:29:42] [INFO ] [Real]Absence check using state equation in 318 ms returned sat
[2026-05-24 12:29:43] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 12:29:43] [INFO ] [Nat]Absence check using 86 positive place invariants in 29 ms returned sat
[2026-05-24 12:29:43] [INFO ] [Nat]Absence check using 86 positive and 22 generalized place invariants in 42 ms returned sat
[2026-05-24 12:29:43] [INFO ] [Nat]Absence check using state equation in 316 ms returned sat
[2026-05-24 12:29:48] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 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)
[2026-05-24 12:29:48] [INFO ] [Real]Absence check using 86 positive place invariants in 31 ms returned sat
[2026-05-24 12:29:48] [INFO ] [Real]Absence check using 86 positive and 22 generalized place invariants in 33 ms returned sat
[2026-05-24 12:29:48] [INFO ] [Real]Absence check using state equation in 188 ms returned sat
[2026-05-24 12:29:48] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 12:29:48] [INFO ] [Nat]Absence check using 86 positive place invariants in 29 ms returned sat
[2026-05-24 12:29:49] [INFO ] [Nat]Absence check using 86 positive and 22 generalized place invariants in 32 ms returned sat
[2026-05-24 12:29:49] [INFO ] [Nat]Absence check using state equation in 176 ms returned sat
[2026-05-24 12:29:56] [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 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 12:29:56] [INFO ] [Real]Absence check using 86 positive place invariants in 28 ms returned sat
[2026-05-24 12:29:56] [INFO ] [Real]Absence check using 86 positive and 22 generalized place invariants in 23 ms returned sat
[2026-05-24 12:29:57] [INFO ] [Real]Absence check using state equation in 230 ms returned sat
[2026-05-24 12:29:57] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 12:29:57] [INFO ] [Nat]Absence check using 86 positive place invariants in 29 ms returned sat
[2026-05-24 12:29:57] [INFO ] [Nat]Absence check using 86 positive and 22 generalized place invariants in 23 ms returned sat
[2026-05-24 12:29:57] [INFO ] [Nat]Absence check using state equation in 198 ms returned sat
[2026-05-24 12:30:02] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 5
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java: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 12:30:02] [INFO ] [Real]Absence check using 86 positive place invariants in 28 ms returned sat
[2026-05-24 12:30:02] [INFO ] [Real]Absence check using 86 positive and 22 generalized place invariants in 26 ms returned sat
[2026-05-24 12:30:02] [INFO ] [Real]Absence check using state equation in 256 ms returned sat
[2026-05-24 12:30:03] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 12:30:03] [INFO ] [Nat]Absence check using 86 positive place invariants in 29 ms returned sat
[2026-05-24 12:30:03] [INFO ] [Nat]Absence check using 86 positive and 22 generalized place invariants in 35 ms returned sat
[2026-05-24 12:30:03] [INFO ] [Nat]Absence check using state equation in 252 ms returned sat
[2026-05-24 12:30:07] [INFO ] Trap strengthening (SAT) tested/added 20/19 trap constraints in 3834 ms
[2026-05-24 12:30:07] [INFO ] Computed and/alt/rep : 540/880/540 causal constraints (skipped 35 transitions) in 34 ms.
Maximisation of solution failed !
Minimization took 1 ms.
[2026-05-24 12:30:08] [INFO ] [Real]Absence check using 86 positive place invariants in 27 ms returned sat
[2026-05-24 12:30:08] [INFO ] [Real]Absence check using 86 positive and 22 generalized place invariants in 24 ms returned sat
[2026-05-24 12:30:08] [INFO ] [Real]Absence check using state equation in 192 ms returned sat
[2026-05-24 12:30:08] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 12:30:08] [INFO ] [Nat]Absence check using 86 positive place invariants in 28 ms returned sat
[2026-05-24 12:30:08] [INFO ] [Nat]Absence check using 86 positive and 22 generalized place invariants in 36 ms returned sat
[2026-05-24 12:30:08] [INFO ] [Nat]Absence check using state equation in 191 ms returned sat
[2026-05-24 12:30:13] [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)
[2026-05-24 12:30:13] [INFO ] [Real]Absence check using 86 positive place invariants in 29 ms returned sat
[2026-05-24 12:30:13] [INFO ] [Real]Absence check using 86 positive and 22 generalized place invariants in 28 ms returned sat
[2026-05-24 12:30:14] [INFO ] [Real]Absence check using state equation in 255 ms returned sat
[2026-05-24 12:30:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 12:30:14] [INFO ] [Nat]Absence check using 86 positive place invariants in 30 ms returned sat
[2026-05-24 12:30:14] [INFO ] [Nat]Absence check using 86 positive and 22 generalized place invariants in 29 ms returned sat
[2026-05-24 12:30:14] [INFO ] [Nat]Absence check using state equation in 242 ms returned sat
[2026-05-24 12:30:19] [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: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 12:30:19] [INFO ] [Real]Absence check using 86 positive place invariants in 29 ms returned sat
[2026-05-24 12:30:19] [INFO ] [Real]Absence check using 86 positive and 22 generalized place invariants in 33 ms returned sat
[2026-05-24 12:30:19] [INFO ] [Real]Absence check using state equation in 203 ms returned sat
[2026-05-24 12:30:20] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 12:30:20] [INFO ] [Nat]Absence check using 86 positive place invariants in 29 ms returned sat
[2026-05-24 12:30:20] [INFO ] [Nat]Absence check using 86 positive and 22 generalized place invariants in 32 ms returned sat
[2026-05-24 12:30:20] [INFO ] [Nat]Absence check using state equation in 189 ms returned sat
[2026-05-24 12:30:27] [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 646 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 646/646 places, 576/576 transitions.
Graph (trivial) has 361 edges and 646 vertex of which 7 / 646 are part of one of the 1 SCC in 12 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 1304 edges and 640 vertex of which 636 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.2 ms
Discarding 4 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 138 transitions
Trivial Post-agglo rules discarded 138 transitions
Performed 138 trivial Post agglomeration. Transition count delta: 138
Iterating post reduction 0 with 138 rules applied. Total rules applied 140 place count 636 transition count 429
Reduce places removed 138 places and 0 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Iterating post reduction 1 with 142 rules applied. Total rules applied 282 place count 498 transition count 425
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 286 place count 494 transition count 425
Performed 96 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 96 Pre rules applied. Total rules applied 286 place count 494 transition count 329
Deduced a syphon composed of 96 places in 1 ms
Ensure Unique test removed 18 places
Reduce places removed 114 places and 0 transitions.
Iterating global reduction 3 with 210 rules applied. Total rules applied 496 place count 380 transition count 329
Discarding 79 places :
Symmetric choice reduction at 3 with 79 rule applications. Total rules 575 place count 301 transition count 250
Iterating global reduction 3 with 79 rules applied. Total rules applied 654 place count 301 transition count 250
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 7 Pre rules applied. Total rules applied 654 place count 301 transition count 243
Deduced a syphon composed of 7 places in 1 ms
Ensure Unique test removed 2 places
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 3 with 16 rules applied. Total rules applied 670 place count 292 transition count 243
Performed 100 Post agglomeration using F-continuation condition.Transition count delta: 100
Deduced a syphon composed of 100 places in 1 ms
Ensure Unique test removed 3 places
Reduce places removed 103 places and 0 transitions.
Iterating global reduction 3 with 203 rules applied. Total rules applied 873 place count 189 transition count 143
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 3 with 2 rules applied. Total rules applied 875 place count 188 transition count 147
Free-agglomeration rule applied 2 times.
Iterating global reduction 3 with 2 rules applied. Total rules applied 877 place count 188 transition count 145
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 879 place count 186 transition count 145
Partial Free-agglomeration rule applied 5 times.
Drop transitions (Partial Free agglomeration) removed 5 transitions
Iterating global reduction 4 with 5 rules applied. Total rules applied 884 place count 186 transition count 145
Applied a total of 884 rules in 176 ms. Remains 186 /646 variables (removed 460) and now considering 145/576 (removed 431) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 182 ms. Remains : 186/646 places, 145/576 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5986042620371358704.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14659182460655269988.kers'
[2026-05-24 12:30:27] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5986042620371358704.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14659182460655269988.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 145 rows 185 cols 841 entries
Finished phase 1 with 55 SingleSign rule and 49 generalized
[2026-05-24 12:30:27] [INFO ] Computed 82 invariants in 1 ms
Computed 82 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-14659182460655269988.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 (25761 resets) in 2885 ms. (346 steps per ms)
FORMULA BusinessProcesses-PT-17-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BusinessProcesses-PT-17-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BusinessProcesses-PT-17-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BusinessProcesses-PT-17-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BusinessProcesses-PT-17-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BusinessProcesses-PT-17-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BusinessProcesses-PT-17-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BusinessProcesses-PT-17-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BusinessProcesses-PT-17-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000000 steps (12966 resets) in 1799 ms. (555 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-24 12:30:32] [INFO ] Invariant cache hit.
[2026-05-24 12:30:32] [INFO ] [Real]Absence check using 63 positive place invariants in 8 ms returned sat
[2026-05-24 12:30:32] [INFO ] [Real]Absence check using 63 positive and 19 generalized place invariants in 3 ms returned sat
[2026-05-24 12:30:32] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2026-05-24 12:30:32] [INFO ] State equation strengthened by 13 read => feed constraints.
[2026-05-24 12:30:32] [INFO ] [Real]Added 13 Read/Feed constraints in 5 ms returned sat
[2026-05-24 12:30:32] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 12:30:32] [INFO ] [Nat]Absence check using 63 positive place invariants in 9 ms returned sat
[2026-05-24 12:30:32] [INFO ] [Nat]Absence check using 63 positive and 19 generalized place invariants in 4 ms returned sat
[2026-05-24 12:30:32] [INFO ] [Nat]Absence check using state equation in 44 ms returned sat
[2026-05-24 12:30:32] [INFO ] [Nat]Added 13 Read/Feed constraints in 4 ms returned sat
[2026-05-24 12:30:32] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 157 ms
[2026-05-24 12:30:32] [INFO ] Computed and/alt/rep : 97/450/97 causal constraints (skipped 46 transitions) in 12 ms.
[2026-05-24 12:30:32] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 214 ms
[2026-05-24 12:30:32] [INFO ] Added : 36 causal constraints over 9 iterations in 373 ms. Result :sat
Minimization took 102 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 186 places. Attempting structural reductions.
Drop transitions (Removing consumers from one bounded place p74) removed 2 transitions
Starting structural reductions in REACHABILITY mode, iteration 0 : 186/186 places, 143/143 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 186 transition count 142
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 185 transition count 142
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 2 place count 185 transition count 140
Deduced a syphon composed of 2 places in 1 ms
Ensure Unique test removed 2 places
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 8 place count 181 transition count 140
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 12 rules applied. Total rules applied 20 place count 175 transition count 134
Applied a total of 20 rules in 17 ms. Remains 175 /186 variables (removed 11) and now considering 134/143 (removed 9) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 175/186 places, 134/143 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14300237508364762150.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12142823551996430970.kers'
[2026-05-24 12:30:33] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14300237508364762150.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12142823551996430970.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 134 rows 174 cols 814 entries
Finished phase 1 with 49 SingleSign rule and 46 generalized
[2026-05-24 12:30:33] [INFO ] Computed 80 invariants in 1 ms
Computed 80 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-12142823551996430970.kers
Total runtime 2 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (28280 resets) in 2743 ms. (364 steps per ms)
BEST_FIRST walk for 1000000 steps (15678 resets) in 1855 ms. (538 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-24 12:30:37] [INFO ] Invariant cache hit.
[2026-05-24 12:30:37] [INFO ] [Real]Absence check using 60 positive place invariants in 7 ms returned sat
[2026-05-24 12:30:37] [INFO ] [Real]Absence check using 60 positive and 20 generalized place invariants in 3 ms returned sat
[2026-05-24 12:30:37] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2026-05-24 12:30:37] [INFO ] State equation strengthened by 13 read => feed constraints.
[2026-05-24 12:30:37] [INFO ] [Real]Added 13 Read/Feed constraints in 3 ms returned sat
[2026-05-24 12:30:37] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 12:30:37] [INFO ] [Nat]Absence check using 60 positive place invariants in 8 ms returned sat
[2026-05-24 12:30:37] [INFO ] [Nat]Absence check using 60 positive and 20 generalized place invariants in 4 ms returned sat
[2026-05-24 12:30:37] [INFO ] [Nat]Absence check using state equation in 40 ms returned sat
[2026-05-24 12:30:37] [INFO ] [Nat]Added 13 Read/Feed constraints in 3 ms returned sat
[2026-05-24 12:30:37] [INFO ] Computed and/alt/rep : 88/454/88 causal constraints (skipped 44 transitions) in 9 ms.
[2026-05-24 12:30:38] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 102 ms
[2026-05-24 12:30:38] [INFO ] Added : 27 causal constraints over 6 iterations in 216 ms. Result :sat
Minimization took 74 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 175 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 175/175 places, 134/134 transitions.
Applied a total of 0 rules in 7 ms. Remains 175 /175 variables (removed 0) and now considering 134/134 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 175/175 places, 134/134 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 175/175 places, 134/134 transitions.
Applied a total of 0 rules in 8 ms. Remains 175 /175 variables (removed 0) and now considering 134/134 (removed 0) transitions.
[2026-05-24 12:30:38] [INFO ] Invariant cache hit.
[2026-05-24 12:30:38] [INFO ] Implicit Places using invariants in 142 ms returned [1, 2, 3, 4, 5, 9, 10, 16, 18, 20, 22, 24, 26, 28, 30, 32, 33, 34, 35, 36, 43, 44, 45, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57]
[2026-05-24 12:30:38] [INFO ] Actually due to overlaps returned [1, 4, 2, 3, 5, 9, 10, 16, 22, 26, 30, 33, 34, 35, 36, 43, 44, 45, 47, 50, 51, 52, 53, 54, 55, 56, 57]
Discarding 27 places :
Implicit Place search using SMT only with invariants took 145 ms to find 27 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 148/175 places, 134/134 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 143 transition count 123
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 143 transition count 123
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 13 place count 140 transition count 111
Iterating global reduction 0 with 3 rules applied. Total rules applied 16 place count 140 transition count 111
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -5
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 18 place count 139 transition count 116
Applied a total of 18 rules in 17 ms. Remains 139 /148 variables (removed 9) and now considering 116/134 (removed 18) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17949576939606753624.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4976646320408640783.kers'
[2026-05-24 12:30:38] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17949576939606753624.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4976646320408640783.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 116 rows 139 cols 645 entries
Finished phase 1 with 61 SingleSign rule and 25 generalized
[2026-05-24 12:30:38] [INFO ] Computed 53 invariants in 0 ms
Computed 53 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-4976646320408640783.kers
Total runtime 1 ms.
[2026-05-24 12:30:38] [INFO ] Implicit Places using invariants in 100 ms returned [10, 12, 21, 22]
[2026-05-24 12:30:38] [INFO ] Actually due to overlaps returned [10, 21]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 101 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 137/175 places, 116/134 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 134 transition count 104
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 134 transition count 104
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 133 transition count 100
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 133 transition count 100
Applied a total of 8 rules in 11 ms. Remains 133 /137 variables (removed 4) and now considering 100/116 (removed 16) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7611793454018401705.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11420257043079691190.kers'
[2026-05-24 12:30:38] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7611793454018401705.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11420257043079691190.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 100 rows 133 cols 529 entries
Finished phase 1 with 58 SingleSign rule and 24 generalized
[2026-05-24 12:30:38] [INFO ] Computed 51 invariants in 0 ms
Computed 51 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-11420257043079691190.kers
Total runtime 0 ms.
[2026-05-24 12:30:38] [INFO ] Implicit Places using invariants in 93 ms returned [4, 7, 16]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 93 ms to find 3 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 3 : 130/175 places, 100/134 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 128 transition count 92
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 128 transition count 92
Applied a total of 4 rules in 8 ms. Remains 128 /130 variables (removed 2) and now considering 92/100 (removed 8) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1454713454146190762.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2468003741995661873.kers'
[2026-05-24 12:30:38] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1454713454146190762.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2468003741995661873.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 92 rows 128 cols 456 entries
Finished phase 1 with 62 SingleSign rule and 18 generalized
[2026-05-24 12:30:38] [INFO ] Computed 48 invariants in 0 ms
Computed 48 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-2468003741995661873.kers
Total runtime 0 ms.
[2026-05-24 12:30:38] [INFO ] Implicit Places using invariants in 82 ms returned [4, 5]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 82 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 4 : 126/175 places, 92/134 transitions.
Applied a total of 0 rules in 6 ms. Remains 126 /126 variables (removed 0) and now considering 92/92 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 5 iterations and 476 ms. Remains : 126/175 places, 92/134 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1620307217593211306.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3057018602833730463.kers'
[2026-05-24 12:30:38] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1620307217593211306.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3057018602833730463.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 92 rows 126 cols 440 entries
Finished phase 1 with 63 SingleSign rule and 17 generalized
[2026-05-24 12:30:38] [INFO ] Computed 46 invariants in 0 ms
Computed 46 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-3057018602833730463.kers
Total runtime 0 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (28695 resets) in 1641 ms. (609 steps per ms)
BEST_FIRST walk for 1000000 steps (15782 resets) in 1097 ms. (910 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-24 12:30:41] [INFO ] Invariant cache hit.
[2026-05-24 12:30:41] [INFO ] [Real]Absence check using 37 positive place invariants in 5 ms returned sat
[2026-05-24 12:30:41] [INFO ] [Real]Absence check using 37 positive and 9 generalized place invariants in 1 ms returned sat
[2026-05-24 12:30:41] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2026-05-24 12:30:41] [INFO ] State equation strengthened by 13 read => feed constraints.
[2026-05-24 12:30:41] [INFO ] [Real]Added 13 Read/Feed constraints in 3 ms returned sat
[2026-05-24 12:30:41] [INFO ] Computed and/alt/rep : 45/188/45 causal constraints (skipped 45 transitions) in 8 ms.
[2026-05-24 12:30:41] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 12:30:41] [INFO ] [Nat]Absence check using 37 positive place invariants in 5 ms returned sat
[2026-05-24 12:30:41] [INFO ] [Nat]Absence check using 37 positive and 9 generalized place invariants in 2 ms returned sat
[2026-05-24 12:30:41] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2026-05-24 12:30:41] [INFO ] [Nat]Added 13 Read/Feed constraints in 3 ms returned sat
[2026-05-24 12:30:41] [INFO ] Computed and/alt/rep : 45/188/45 causal constraints (skipped 45 transitions) in 7 ms.
[2026-05-24 12:30:41] [INFO ] Added : 20 causal constraints over 4 iterations in 46 ms. Result :sat
Minimization took 33 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[1]
FORMULA BusinessProcesses-PT-17-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL PARIKH_GUIDED_WALK
All properties solved without resorting to model-checking.
Total runtime 78534 ms.

BK_STOP 1779625841702

--------------------
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-17"
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-17, 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-177946842100581"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BusinessProcesses-PT-17.tgz
mv BusinessProcesses-PT-17 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 ;