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-177946842000549.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-13, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r034-tall-177946842000549
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 532K
-rw-r--r-- 1 mcc users 6.8K Mar 5 17:50 CTLCardinality.txt
-rw-r--r-- 1 mcc users 70K Mar 5 17:50 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.6K Mar 5 17:50 CTLFireability.txt
-rw-r--r-- 1 mcc users 37K Mar 5 17:50 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:46 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 07:46 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 07:46 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 07:46 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.9K Mar 5 17:50 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 90K Mar 5 17:50 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.5K Mar 5 17:50 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 60K Mar 5 17:50 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 07:46 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 07:46 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 148K 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-13-UpperBounds-00
FORMULA_NAME BusinessProcesses-PT-13-UpperBounds-01
FORMULA_NAME BusinessProcesses-PT-13-UpperBounds-02
FORMULA_NAME BusinessProcesses-PT-13-UpperBounds-03
FORMULA_NAME BusinessProcesses-PT-13-UpperBounds-04
FORMULA_NAME BusinessProcesses-PT-13-UpperBounds-05
FORMULA_NAME BusinessProcesses-PT-13-UpperBounds-06
FORMULA_NAME BusinessProcesses-PT-13-UpperBounds-07
FORMULA_NAME BusinessProcesses-PT-13-UpperBounds-08
FORMULA_NAME BusinessProcesses-PT-13-UpperBounds-09
FORMULA_NAME BusinessProcesses-PT-13-UpperBounds-10
FORMULA_NAME BusinessProcesses-PT-13-UpperBounds-11
FORMULA_NAME BusinessProcesses-PT-13-UpperBounds-12
FORMULA_NAME BusinessProcesses-PT-13-UpperBounds-13
FORMULA_NAME BusinessProcesses-PT-13-UpperBounds-14
FORMULA_NAME BusinessProcesses-PT-13-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779620371031

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-13
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-24 10:59:32] [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 10:59:32] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 10:59:32] [INFO ] Load time of PNML (sax parser for PT used): 94 ms
[2026-05-24 10:59:32] [INFO ] Transformed 593 places.
[2026-05-24 10:59:32] [INFO ] Transformed 536 transitions.
[2026-05-24 10:59:32] [INFO ] Found NUPN structural information;
[2026-05-24 10:59:32] [INFO ] Parsed PT model containing 593 places and 536 transitions and 1582 arcs in 198 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 6 ms.
Deduced a syphon composed of 8 places in 8 ms
Reduce places removed 8 places and 8 transitions.
FORMULA BusinessProcesses-PT-13-UpperBounds-05 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
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] Max Struct:[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] Max Struct:[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-11665877683889462108.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2019675303437511986.kers'
[2026-05-24 10:59:32] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11665877683889462108.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2019675303437511986.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 528 rows 585 cols 1566 entries
Finished phase 1 with 416 SingleSign rule and 74 generalized
[2026-05-24 10:59:32] [INFO ] Computed 95 invariants in 7 ms
Computed 95 P flows in 8 ms.
Exported basis to /tmp/petrispot-output-2019675303437511986.kers
Total runtime 8 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] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
RANDOM walk for 10000 steps (71 resets) in 58 ms. (169 steps per ms)
FORMULA BusinessProcesses-PT-13-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BusinessProcesses-PT-13-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BusinessProcesses-PT-13-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BusinessProcesses-PT-13-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BusinessProcesses-PT-13-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BusinessProcesses-PT-13-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 90008 steps (114 resets) in 131 ms. (681 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1]
[2026-05-24 10:59:32] [INFO ] Invariant cache hit.
[2026-05-24 10:59:33] [INFO ] [Real]Absence check using 77 positive place invariants in 38 ms returned sat
[2026-05-24 10:59:33] [INFO ] [Real]Absence check using 77 positive and 18 generalized place invariants in 24 ms returned sat
[2026-05-24 10:59:33] [INFO ] [Real]Absence check using state equation in 203 ms returned sat
[2026-05-24 10:59:33] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 10:59:33] [INFO ] [Nat]Absence check using 77 positive place invariants in 36 ms returned sat
[2026-05-24 10:59:33] [INFO ] [Nat]Absence check using 77 positive and 18 generalized place invariants in 20 ms returned sat
[2026-05-24 10:59:33] [INFO ] [Nat]Absence check using state equation in 177 ms returned sat
[2026-05-24 10:59:36] [INFO ] Trap strengthening (SAT) tested/added 17/16 trap constraints in 2140 ms
[2026-05-24 10:59:36] [INFO ] Computed and/alt/rep : 496/823/496 causal constraints (skipped 31 transitions) in 40 ms.
[2026-05-24 10:59:38] [INFO ] Added : 240 causal constraints over 48 iterations in 2510 ms. Result :unknown
[2026-05-24 10:59:38] [INFO ] [Real]Absence check using 77 positive place invariants in 35 ms returned sat
[2026-05-24 10:59:38] [INFO ] [Real]Absence check using 77 positive and 18 generalized place invariants in 24 ms returned sat
[2026-05-24 10:59:39] [INFO ] [Real]Absence check using state equation in 218 ms returned sat
[2026-05-24 10:59:39] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 10:59:39] [INFO ] [Nat]Absence check using 77 positive place invariants in 28 ms returned sat
[2026-05-24 10:59:39] [INFO ] [Nat]Absence check using 77 positive and 18 generalized place invariants in 22 ms returned sat
[2026-05-24 10:59:39] [INFO ] [Nat]Absence check using state equation in 234 ms returned sat
[2026-05-24 10:59:42] [INFO ] Trap strengthening (SAT) tested/added 16/15 trap constraints in 2628 ms
[2026-05-24 10:59:42] [INFO ] Computed and/alt/rep : 496/823/496 causal constraints (skipped 31 transitions) in 22 ms.
[2026-05-24 10:59:44] [INFO ] Added : 275 causal constraints over 55 iterations in 1995 ms. Result :unknown
[2026-05-24 10:59:44] [INFO ] [Real]Absence check using 77 positive place invariants in 25 ms returned sat
[2026-05-24 10:59:44] [INFO ] [Real]Absence check using 77 positive and 18 generalized place invariants in 20 ms returned sat
[2026-05-24 10:59:44] [INFO ] [Real]Absence check using state equation in 169 ms returned sat
[2026-05-24 10:59:44] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 10:59:45] [INFO ] [Nat]Absence check using 77 positive place invariants in 26 ms returned sat
[2026-05-24 10:59:45] [INFO ] [Nat]Absence check using 77 positive and 18 generalized place invariants in 20 ms returned sat
[2026-05-24 10:59:45] [INFO ] [Nat]Absence check using state equation in 154 ms returned sat
[2026-05-24 10:59:49] [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 10:59:50] [INFO ] [Real]Absence check using 77 positive place invariants in 25 ms returned sat
[2026-05-24 10:59:50] [INFO ] [Real]Absence check using 77 positive and 18 generalized place invariants in 20 ms returned sat
[2026-05-24 10:59:50] [INFO ] [Real]Absence check using state equation in 183 ms returned sat
[2026-05-24 10:59:50] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 10:59:50] [INFO ] [Nat]Absence check using 77 positive place invariants in 27 ms returned sat
[2026-05-24 10:59:50] [INFO ] [Nat]Absence check using 77 positive and 18 generalized place invariants in 22 ms returned sat
[2026-05-24 10:59:50] [INFO ] [Nat]Absence check using state equation in 180 ms returned sat
[2026-05-24 10:59:55] [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 10:59:55] [INFO ] [Real]Absence check using 77 positive place invariants in 28 ms returned sat
[2026-05-24 10:59:55] [INFO ] [Real]Absence check using 77 positive and 18 generalized place invariants in 19 ms returned sat
[2026-05-24 10:59:56] [INFO ] [Real]Absence check using state equation in 184 ms returned sat
[2026-05-24 10:59:56] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 10:59:56] [INFO ] [Nat]Absence check using 77 positive place invariants in 29 ms returned sat
[2026-05-24 10:59:56] [INFO ] [Nat]Absence check using 77 positive and 18 generalized place invariants in 22 ms returned sat
[2026-05-24 10:59:56] [INFO ] [Nat]Absence check using state equation in 181 ms returned sat
[2026-05-24 10:59:58] [INFO ] Trap strengthening (SAT) tested/added 18/17 trap constraints in 2174 ms
[2026-05-24 10:59:58] [INFO ] Computed and/alt/rep : 496/823/496 causal constraints (skipped 31 transitions) in 21 ms.
[2026-05-24 11:00:01] [INFO ] Added : 110 causal constraints over 22 iterations in 2494 ms. Result :unknown
[2026-05-24 11:00:01] [INFO ] [Real]Absence check using 77 positive place invariants in 28 ms returned sat
[2026-05-24 11:00:01] [INFO ] [Real]Absence check using 77 positive and 18 generalized place invariants in 28 ms returned sat
[2026-05-24 11:00:01] [INFO ] [Real]Absence check using state equation in 203 ms returned sat
[2026-05-24 11:00:01] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 11:00:02] [INFO ] [Nat]Absence check using 77 positive place invariants in 27 ms returned sat
[2026-05-24 11:00:02] [INFO ] [Nat]Absence check using 77 positive and 18 generalized place invariants in 29 ms returned sat
[2026-05-24 11:00:02] [INFO ] [Nat]Absence check using state equation in 188 ms returned sat
[2026-05-24 11:00:06] [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 11:00:07] [INFO ] [Real]Absence check using 77 positive place invariants in 25 ms returned sat
[2026-05-24 11:00:07] [INFO ] [Real]Absence check using 77 positive and 18 generalized place invariants in 23 ms returned sat
[2026-05-24 11:00:07] [INFO ] [Real]Absence check using state equation in 209 ms returned sat
[2026-05-24 11:00:07] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 11:00:07] [INFO ] [Nat]Absence check using 77 positive place invariants in 26 ms returned sat
[2026-05-24 11:00:07] [INFO ] [Nat]Absence check using 77 positive and 18 generalized place invariants in 20 ms returned sat
[2026-05-24 11:00:07] [INFO ] [Nat]Absence check using state equation in 206 ms returned sat
[2026-05-24 11:00:12] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 6
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:308)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:874)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2280)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:207)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:803)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
[2026-05-24 11:00:12] [INFO ] [Real]Absence check using 77 positive place invariants in 26 ms returned sat
[2026-05-24 11:00:12] [INFO ] [Real]Absence check using 77 positive and 18 generalized place invariants in 21 ms returned sat
[2026-05-24 11:00:13] [INFO ] [Real]Absence check using state equation in 241 ms returned sat
[2026-05-24 11:00:13] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 11:00:13] [INFO ] [Nat]Absence check using 77 positive place invariants in 26 ms returned sat
[2026-05-24 11:00:13] [INFO ] [Nat]Absence check using 77 positive and 18 generalized place invariants in 21 ms returned sat
[2026-05-24 11:00:13] [INFO ] [Nat]Absence check using state equation in 232 ms returned sat
[2026-05-24 11:00:18] [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 11:00:18] [INFO ] [Real]Absence check using 77 positive place invariants in 25 ms returned sat
[2026-05-24 11:00:18] [INFO ] [Real]Absence check using 77 positive and 18 generalized place invariants in 22 ms returned sat
[2026-05-24 11:00:18] [INFO ] [Real]Absence check using state equation in 180 ms returned sat
[2026-05-24 11:00:18] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 11:00:18] [INFO ] [Nat]Absence check using 77 positive place invariants in 27 ms returned sat
[2026-05-24 11:00:18] [INFO ] [Nat]Absence check using 77 positive and 18 generalized place invariants in 21 ms returned sat
[2026-05-24 11:00:19] [INFO ] [Nat]Absence check using state equation in 178 ms returned sat
[2026-05-24 11:00:20] [INFO ] Trap strengthening (SAT) tested/added 14/13 trap constraints in 1629 ms
[2026-05-24 11:00:20] [INFO ] Computed and/alt/rep : 496/823/496 causal constraints (skipped 31 transitions) in 28 ms.
[2026-05-24 11:00:23] [INFO ] Added : 195 causal constraints over 39 iterations in 3044 ms. Result :unknown
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1]
FORMULA BusinessProcesses-PT-13-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA BusinessProcesses-PT-13-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA BusinessProcesses-PT-13-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA BusinessProcesses-PT-13-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA BusinessProcesses-PT-13-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA BusinessProcesses-PT-13-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA BusinessProcesses-PT-13-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0] Max Struct:[1, 1]
Support contains 2 out of 585 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 585/585 places, 528/528 transitions.
Graph (trivial) has 335 edges and 585 vertex of which 7 / 585 are part of one of the 1 SCC in 6 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 1189 edges and 579 vertex of which 573 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 130 transitions
Trivial Post-agglo rules discarded 130 transitions
Performed 130 trivial Post agglomeration. Transition count delta: 130
Iterating post reduction 0 with 130 rules applied. Total rules applied 132 place count 573 transition count 389
Reduce places removed 130 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 132 rules applied. Total rules applied 264 place count 443 transition count 387
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 266 place count 441 transition count 387
Performed 87 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 87 Pre rules applied. Total rules applied 266 place count 441 transition count 300
Deduced a syphon composed of 87 places in 1 ms
Ensure Unique test removed 17 places
Reduce places removed 104 places and 0 transitions.
Iterating global reduction 3 with 191 rules applied. Total rules applied 457 place count 337 transition count 300
Discarding 76 places :
Symmetric choice reduction at 3 with 76 rule applications. Total rules 533 place count 261 transition count 224
Iterating global reduction 3 with 76 rules applied. Total rules applied 609 place count 261 transition count 224
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 7 Pre rules applied. Total rules applied 609 place count 261 transition count 217
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 625 place count 252 transition count 217
Performed 90 Post agglomeration using F-continuation condition.Transition count delta: 90
Deduced a syphon composed of 90 places in 0 ms
Ensure Unique test removed 2 places
Reduce places removed 92 places and 0 transitions.
Iterating global reduction 3 with 182 rules applied. Total rules applied 807 place count 160 transition count 127
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 809 place count 159 transition count 131
Free-agglomeration rule applied 2 times.
Iterating global reduction 3 with 2 rules applied. Total rules applied 811 place count 159 transition count 129
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 813 place count 157 transition count 129
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 814 place count 157 transition count 129
Applied a total of 814 rules in 127 ms. Remains 157 /585 variables (removed 428) and now considering 129/528 (removed 399) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 135 ms. Remains : 157/585 places, 129/528 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9365180920249812260.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13599408238829791359.kers'
[2026-05-24 11:00:24] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9365180920249812260.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13599408238829791359.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 129 rows 156 cols 769 entries
Finished phase 1 with 47 SingleSign rule and 41 generalized
[2026-05-24 11:00:24] [INFO ] Computed 69 invariants in 0 ms
Computed 69 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-13599408238829791359.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 (44616 resets) in 2402 ms. (416 steps per ms)
FORMULA BusinessProcesses-PT-13-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000001 steps (26293 resets) in 1692 ms. (590 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-24 11:00:28] [INFO ] Invariant cache hit.
[2026-05-24 11:00:28] [INFO ] [Real]Absence check using 53 positive place invariants in 7 ms returned sat
[2026-05-24 11:00:28] [INFO ] [Real]Absence check using 53 positive and 16 generalized place invariants in 3 ms returned sat
[2026-05-24 11:00:28] [INFO ] [Real]Absence check using state equation in 41 ms returned sat
[2026-05-24 11:00:28] [INFO ] State equation strengthened by 12 read => feed constraints.
[2026-05-24 11:00:28] [INFO ] [Real]Added 12 Read/Feed constraints in 4 ms returned sat
[2026-05-24 11:00:28] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 11:00:28] [INFO ] [Nat]Absence check using 53 positive place invariants in 8 ms returned sat
[2026-05-24 11:00:28] [INFO ] [Nat]Absence check using 53 positive and 16 generalized place invariants in 3 ms returned sat
[2026-05-24 11:00:28] [INFO ] [Nat]Absence check using state equation in 39 ms returned sat
[2026-05-24 11:00:28] [INFO ] [Nat]Added 12 Read/Feed constraints in 3 ms returned sat
[2026-05-24 11:00:28] [INFO ] Computed and/alt/rep : 81/390/81 causal constraints (skipped 46 transitions) in 12 ms.
[2026-05-24 11:00:28] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 99 ms
[2026-05-24 11:00:28] [INFO ] Added : 29 causal constraints over 8 iterations in 244 ms. Result :sat
Minimization took 120 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 157 places. Attempting structural reductions.
Drop transitions (Removing consumers from one bounded place p91) removed 2 transitions
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 127/127 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 157 transition count 126
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 2 place count 156 transition count 126
Applied a total of 2 rules in 10 ms. Remains 156 /157 variables (removed 1) and now considering 126/127 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 156/157 places, 126/127 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3878150848249110984.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9383600014079570009.kers'
[2026-05-24 11:00:28] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3878150848249110984.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9383600014079570009.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 126 rows 155 cols 763 entries
Finished phase 1 with 43 SingleSign rule and 44 generalized
[2026-05-24 11:00:28] [INFO ] Computed 69 invariants in 0 ms
Computed 69 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-9383600014079570009.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (44961 resets) in 2298 ms. (434 steps per ms)
BEST_FIRST walk for 1000000 steps (26321 resets) in 1663 ms. (600 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-24 11:00:32] [INFO ] Invariant cache hit.
[2026-05-24 11:00:32] [INFO ] [Real]Absence check using 52 positive place invariants in 20 ms returned sat
[2026-05-24 11:00:32] [INFO ] [Real]Absence check using 52 positive and 17 generalized place invariants in 4 ms returned sat
[2026-05-24 11:00:33] [INFO ] [Real]Absence check using state equation in 41 ms returned sat
[2026-05-24 11:00:33] [INFO ] State equation strengthened by 12 read => feed constraints.
[2026-05-24 11:00:33] [INFO ] [Real]Added 12 Read/Feed constraints in 3 ms returned sat
[2026-05-24 11:00:33] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 11:00:33] [INFO ] [Nat]Absence check using 52 positive place invariants in 7 ms returned sat
[2026-05-24 11:00:33] [INFO ] [Nat]Absence check using 52 positive and 17 generalized place invariants in 7 ms returned sat
[2026-05-24 11:00:33] [INFO ] [Nat]Absence check using state equation in 39 ms returned sat
[2026-05-24 11:00:33] [INFO ] [Nat]Added 12 Read/Feed constraints in 3 ms returned sat
[2026-05-24 11:00:33] [INFO ] Computed and/alt/rep : 80/405/80 causal constraints (skipped 44 transitions) in 9 ms.
[2026-05-24 11:00:33] [INFO ] Added : 20 causal constraints over 4 iterations in 60 ms. Result :sat
Minimization took 104 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-13-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL PARIKH_GUIDED_WALK
All properties solved without resorting to model-checking.
Total runtime 61118 ms.

BK_STOP 1779620433397

--------------------
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
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
+ 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-13"
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-13, 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-177946842000549"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BusinessProcesses-PT-13.tgz
mv BusinessProcesses-PT-13 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 ;