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.r351-smll-178021502100013.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 gold2025
Input is ErlangenMainframeV1-PT-bP07C07, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r351-smll-178021502100013
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 6.1M
-rw-r--r-- 1 mcc users 8.0K May 27 08:56 CTLCardinality.txt
-rw-r--r-- 1 mcc users 87K May 27 08:56 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K May 27 08:56 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K May 27 08:56 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K May 27 10:33 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 27 10:33 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K May 27 10:33 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 27 10:33 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 May 26 18:17 NewModel
-rw-r--r-- 1 mcc users 9.5K May 27 08:56 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 97K May 27 08:56 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.5K May 27 08:56 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 69K May 27 08:56 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 27 10:33 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K May 27 10:33 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 26 18:17 equiv_col
-rw-r--r-- 1 mcc users 8 May 26 18:17 instance
-rw-r--r-- 1 mcc users 6 May 26 18:17 iscolored
-rw-r--r-- 1 mcc users 5.7M May 26 18:17 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 ErlangenMainframeV1-PT-bP07C07-UpperBounds-00
FORMULA_NAME ErlangenMainframeV1-PT-bP07C07-UpperBounds-01
FORMULA_NAME ErlangenMainframeV1-PT-bP07C07-UpperBounds-02
FORMULA_NAME ErlangenMainframeV1-PT-bP07C07-UpperBounds-03
FORMULA_NAME ErlangenMainframeV1-PT-bP07C07-UpperBounds-04
FORMULA_NAME ErlangenMainframeV1-PT-bP07C07-UpperBounds-05
FORMULA_NAME ErlangenMainframeV1-PT-bP07C07-UpperBounds-06
FORMULA_NAME ErlangenMainframeV1-PT-bP07C07-UpperBounds-07
FORMULA_NAME ErlangenMainframeV1-PT-bP07C07-UpperBounds-08
FORMULA_NAME ErlangenMainframeV1-PT-bP07C07-UpperBounds-09
FORMULA_NAME ErlangenMainframeV1-PT-bP07C07-UpperBounds-10
FORMULA_NAME ErlangenMainframeV1-PT-bP07C07-UpperBounds-11
FORMULA_NAME ErlangenMainframeV1-PT-bP07C07-UpperBounds-12
FORMULA_NAME ErlangenMainframeV1-PT-bP07C07-UpperBounds-13
FORMULA_NAME ErlangenMainframeV1-PT-bP07C07-UpperBounds-14
FORMULA_NAME ErlangenMainframeV1-PT-bP07C07-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1780319949569

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ErlangenMainframeV1-PT-bP07C07
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-06-01 13:19:11] [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]
[2026-06-01 13:19:11] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-06-01 13:19:13] [INFO ] Load time of PNML (sax parser for PT used): 905 ms
[2026-06-01 13:19:13] [INFO ] Transformed 293 places.
[2026-06-01 13:19:13] [INFO ] Transformed 6879 transitions.
[2026-06-01 13:19:13] [INFO ] Found NUPN structural information;
[2026-06-01 13:19:13] [INFO ] Parsed PT model containing 293 places and 6879 transitions and 114566 arcs in 1191 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 12 ms.
Current structural bounds on expressions (Initiallly, because the net is safe) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
FORMULA ErlangenMainframeV1-PT-bP07C07-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
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]
// Phase 1: matrix 6879 rows 293 cols
[2026-06-01 13:19:13] [INFO ] Computed 20 invariants in 179 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 (2 resets) in 1463 ms. (6 steps per ms)
FORMULA ErlangenMainframeV1-PT-bP07C07-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ErlangenMainframeV1-PT-bP07C07-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ErlangenMainframeV1-PT-bP07C07-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ErlangenMainframeV1-PT-bP07C07-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ErlangenMainframeV1-PT-bP07C07-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ErlangenMainframeV1-PT-bP07C07-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ErlangenMainframeV1-PT-bP07C07-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ErlangenMainframeV1-PT-bP07C07-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 70000 steps (14 resets) in 3766 ms. (18 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1]
[2026-06-01 13:19:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-06-01 13:19:19] [INFO ] [Real]Absence check using 13 positive place invariants in 25 ms returned sat
[2026-06-01 13:19:19] [INFO ] [Real]Absence check using 13 positive and 7 generalized place invariants in 10 ms returned sat
[2026-06-01 13:19:23] [INFO ] [Real]Absence check using state equation in 3523 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-01 13:19:24] [INFO ] Deduced a trap composed of 32 places in 790 ms of which 27 ms to minimize.
[2026-06-01 13:19:24] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 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:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2252)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
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:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-06-01 13:19:24] [INFO ] [Real]Absence check using 13 positive place invariants in 16 ms returned sat
[2026-06-01 13:19:24] [INFO ] [Real]Absence check using 13 positive and 7 generalized place invariants in 9 ms returned sat
[2026-06-01 13:19:27] [INFO ] [Real]Absence check using state equation in 2949 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-01 13:19:28] [INFO ] Deduced a trap composed of 31 places in 882 ms of which 27 ms to minimize.
[2026-06-01 13:19:29] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-06-01 13:19:29] [INFO ] [Nat]Absence check using 13 positive place invariants in 20 ms returned sat
[2026-06-01 13:19:29] [INFO ] [Nat]Absence check using 13 positive and 7 generalized place invariants in 7 ms returned sat
[2026-06-01 13:19:32] [INFO ] [Nat]Absence check using state equation in 3063 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-01 13:19:33] [INFO ] Deduced a trap composed of 31 places in 809 ms of which 10 ms to minimize.
[2026-06-01 13:19:33] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1313 ms
[2026-06-01 13:19:34] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed... while checking expression at index 1
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:957)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:878)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
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:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-06-01 13:19:34] [INFO ] [Real]Absence check using 13 positive place invariants in 18 ms returned sat
[2026-06-01 13:19:34] [INFO ] [Real]Absence check using 13 positive and 7 generalized place invariants in 6 ms returned sat
[2026-06-01 13:19:37] [INFO ] [Real]Absence check using state equation in 3176 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-01 13:19:44] [INFO ] Deduced a trap composed of 33 places in 6379 ms of which 480 ms to minimize.
[2026-06-01 13:19:44] [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:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2252)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
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:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-06-01 13:19:44] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2026-06-01 13:19:44] [INFO ] [Real]Absence check using 13 positive and 7 generalized place invariants in 5 ms returned sat
[2026-06-01 13:19:46] [INFO ] [Real]Absence check using state equation in 2624 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-01 13:19:54] [INFO ] Deduced a trap composed of 21 places in 6773 ms of which 397 ms to minimize.
[2026-06-01 13:19:54] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 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:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2252)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
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:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-06-01 13:19:54] [INFO ] [Real]Absence check using 13 positive place invariants in 15 ms returned sat
[2026-06-01 13:19:54] [INFO ] [Real]Absence check using 13 positive and 7 generalized place invariants in 6 ms returned sat
[2026-06-01 13:19:57] [INFO ] [Real]Absence check using state equation in 2876 ms returned sat
[2026-06-01 13:20:12] [INFO ] Computed and/alt/rep : 278/652/278 causal constraints (skipped 6600 transitions) in 15222 ms.
[2026-06-01 13:20:12] [INFO ] Added : 0 causal constraints over 0 iterations in 15237 ms. Result :unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-06-01 13:20:12] [INFO ] [Real]Absence check using 13 positive place invariants in 15 ms returned sat
[2026-06-01 13:20:12] [INFO ] [Real]Absence check using 13 positive and 7 generalized place invariants in 6 ms returned sat
[2026-06-01 13:20:15] [INFO ] [Real]Absence check using state equation in 2796 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-01 13:20:21] [INFO ] Deduced a trap composed of 44 places in 6027 ms of which 449 ms to minimize.
[2026-06-01 13:20:21] [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:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2252)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
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:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-06-01 13:20:22] [INFO ] [Real]Absence check using 13 positive place invariants in 14 ms returned sat
[2026-06-01 13:20:22] [INFO ] [Real]Absence check using 13 positive and 7 generalized place invariants in 6 ms returned sat
[2026-06-01 13:20:25] [INFO ] [Real]Absence check using state equation in 3103 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-01 13:20:33] [INFO ] Deduced a trap composed of 21 places in 7550 ms of which 535 ms to minimize.
[2026-06-01 13:20:33] [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:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2252)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
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:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1]
Support contains 7 out of 293 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 293/293 places, 6879/6879 transitions.
Graph (trivial) has 254 edges and 293 vertex of which 12 / 293 are part of one of the 5 SCC in 8 ms
Free SCC test removed 7 places
Drop transitions (Empty/Sink Transition effects.) removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 113 transitions
Trivial Post-agglo rules discarded 113 transitions
Performed 113 trivial Post agglomeration. Transition count delta: 113
Iterating post reduction 0 with 113 rules applied. Total rules applied 114 place count 286 transition count 6753
Reduce places removed 113 places and 0 transitions.
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 1 with 125 rules applied. Total rules applied 239 place count 173 transition count 6741
Reduce places removed 3 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 4 rules applied. Total rules applied 243 place count 170 transition count 6740
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 244 place count 169 transition count 6740
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 4 Pre rules applied. Total rules applied 244 place count 169 transition count 6736
Deduced a syphon composed of 4 places in 4 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 4 with 8 rules applied. Total rules applied 252 place count 165 transition count 6736
Discarding 31 places :
Symmetric choice reduction at 4 with 31 rule applications. Total rules 283 place count 134 transition count 6705
Iterating global reduction 4 with 31 rules applied. Total rules applied 314 place count 134 transition count 6705
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 5 Pre rules applied. Total rules applied 314 place count 134 transition count 6700
Deduced a syphon composed of 5 places in 4 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 4 with 10 rules applied. Total rules applied 324 place count 129 transition count 6700
Discarding 17 places :
Symmetric choice reduction at 4 with 17 rule applications. Total rules 341 place count 112 transition count 4493
Ensure Unique test removed 5 places
Iterating global reduction 4 with 22 rules applied. Total rules applied 363 place count 107 transition count 4493
Discarding 11 places :
Symmetric choice reduction at 4 with 11 rule applications. Total rules 374 place count 96 transition count 131
Iterating global reduction 4 with 11 rules applied. Total rules applied 385 place count 96 transition count 131
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 388 place count 93 transition count 125
Iterating global reduction 4 with 3 rules applied. Total rules applied 391 place count 93 transition count 125
Performed 33 Post agglomeration using F-continuation condition.Transition count delta: 33
Deduced a syphon composed of 33 places in 0 ms
Reduce places removed 33 places and 0 transitions.
Iterating global reduction 4 with 66 rules applied. Total rules applied 457 place count 60 transition count 92
Performed 11 Post agglomeration using F-continuation condition with reduction of 12 identical transitions.
Deduced a syphon composed of 11 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 4 with 22 rules applied. Total rules applied 479 place count 49 transition count 120
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 4 with 14 rules applied. Total rules applied 493 place count 49 transition count 106
Discarding 3 places :
Symmetric choice reduction at 5 with 3 rule applications. Total rules 496 place count 46 transition count 90
Iterating global reduction 5 with 3 rules applied. Total rules applied 499 place count 46 transition count 90
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 5 with 11 rules applied. Total rules applied 510 place count 46 transition count 79
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -6
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 512 place count 45 transition count 85
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 513 place count 45 transition count 84
Drop transitions (Redundant composition of simpler transitions.) removed 15 transitions
Redundant transition composition rules discarded 15 transitions
Iterating global reduction 7 with 15 rules applied. Total rules applied 528 place count 45 transition count 69
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -11
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 7 with 2 rules applied. Total rules applied 530 place count 44 transition count 80
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 531 place count 44 transition count 79
Free-agglomeration rule applied 8 times.
Iterating global reduction 8 with 8 rules applied. Total rules applied 539 place count 44 transition count 71
Reduce places removed 8 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 8 with 20 rules applied. Total rules applied 559 place count 36 transition count 59
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 9 with 4 rules applied. Total rules applied 563 place count 36 transition count 55
Free-agglomeration rule applied 1 times.
Iterating global reduction 9 with 1 rules applied. Total rules applied 564 place count 36 transition count 54
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 565 place count 35 transition count 54
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 10 with 1 rules applied. Total rules applied 566 place count 34 transition count 53
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 567 place count 33 transition count 53
Applied a total of 567 rules in 1408 ms. Remains 33 /293 variables (removed 260) and now considering 53/6879 (removed 6826) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1423 ms. Remains : 33/293 places, 53/6879 transitions.
[2026-06-01 13:20:34] [INFO ] Flow matrix only has 48 transitions (discarded 5 similar events)
// Phase 1: matrix 48 rows 33 cols
[2026-06-01 13:20:34] [INFO ] Computed 14 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1]
RANDOM walk for 1000000 steps (2 resets) in 1665 ms. (600 steps per ms)
FORMULA ErlangenMainframeV1-PT-bP07C07-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ErlangenMainframeV1-PT-bP07C07-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ErlangenMainframeV1-PT-bP07C07-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ErlangenMainframeV1-PT-bP07C07-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ErlangenMainframeV1-PT-bP07C07-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ErlangenMainframeV1-PT-bP07C07-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ErlangenMainframeV1-PT-bP07C07-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000000 steps (2 resets) in 598 ms. (1669 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 5 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
[2026-06-01 13:20:37] [INFO ] Flatten gal took : 50 ms
[2026-06-01 13:20:37] [INFO ] Flatten gal took : 16 ms
[2026-06-01 13:20:37] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6200091053334302037.gal : 11 ms
[2026-06-01 13:20:37] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13469691357024155973.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality6200091053334302037.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13469691357024155973.prop' '--nowitness' '--gen-order' 'FOLLOW'
ITS runner timed out or was interrupted.

ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 85503 ms.

BK_STOP 1780320037509

--------------------
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
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /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="ErlangenMainframeV1-PT-bP07C07"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2025"
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 gold2025"
echo " Input is ErlangenMainframeV1-PT-bP07C07, 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 r351-smll-178021502100013"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ErlangenMainframeV1-PT-bP07C07.tgz
mv ErlangenMainframeV1-PT-bP07C07 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 ;