Execution Chart

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

Trace from the execution

Formatting '/data/sdalzilio/mcc2026-input.r191-oct2-177969025600038.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/sdalzilio/mcc2026-input.qcow2 backing_fmt=qcow2 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
........................
=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is MedleyB-PT-B03, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r191-oct2-177969025600038
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 6.5K Mar 7 18:23 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K Mar 7 18:23 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Mar 7 18:23 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K Mar 7 18:23 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 11:33 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 11:33 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 11:33 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 11:33 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.8K Mar 7 18:23 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 103K Mar 7 18:23 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.6K Mar 7 18:23 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 73K Mar 7 18:23 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 11:33 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 11:33 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 626K Mar 3 18:30 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of positive values
NUM_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME MedleyB-PT-B03-UpperBounds-00
FORMULA_NAME MedleyB-PT-B03-UpperBounds-01
FORMULA_NAME MedleyB-PT-B03-UpperBounds-02
FORMULA_NAME MedleyB-PT-B03-UpperBounds-03
FORMULA_NAME MedleyB-PT-B03-UpperBounds-04
FORMULA_NAME MedleyB-PT-B03-UpperBounds-05
FORMULA_NAME MedleyB-PT-B03-UpperBounds-06
FORMULA_NAME MedleyB-PT-B03-UpperBounds-07
FORMULA_NAME MedleyB-PT-B03-UpperBounds-08
FORMULA_NAME MedleyB-PT-B03-UpperBounds-09
FORMULA_NAME MedleyB-PT-B03-UpperBounds-10
FORMULA_NAME MedleyB-PT-B03-UpperBounds-11
FORMULA_NAME MedleyB-PT-B03-UpperBounds-12
FORMULA_NAME MedleyB-PT-B03-UpperBounds-13
FORMULA_NAME MedleyB-PT-B03-UpperBounds-14
FORMULA_NAME MedleyB-PT-B03-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779942898574

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=MedleyB-PT-B03
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-28 04:35:00] [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]
[2026-05-28 04:35:00] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-28 04:35:00] [INFO ] Load time of PNML (sax parser for PT used): 143 ms
[2026-05-28 04:35:00] [INFO ] Transformed 1529 places.
[2026-05-28 04:35:00] [INFO ] Transformed 2131 transitions.
[2026-05-28 04:35:00] [INFO ] Found NUPN structural information;
[2026-05-28 04:35:00] [INFO ] Parsed PT model containing 1529 places and 2131 transitions and 8591 arcs in 270 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
Current structural bounds on expressions (Initiallly, because the net is safe) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
// Phase 1: matrix 2131 rows 1529 cols
[2026-05-28 04:35:00] [INFO ] Computed 6 invariants in 68 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 (104 resets) in 47 ms. (208 steps per ms)
FORMULA MedleyB-PT-B03-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyB-PT-B03-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyB-PT-B03-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyB-PT-B03-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyB-PT-B03-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyB-PT-B03-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 100008 steps (188 resets) in 99 ms. (1000 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]
[2026-05-28 04:35:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-28 04:35:01] [INFO ] [Real]Absence check using 6 positive place invariants in 66 ms returned sat
[2026-05-28 04:35:02] [INFO ] [Real]Absence check using state equation in 885 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:03] [INFO ] Deduced a trap composed of 204 places in 1484 ms of which 428 ms to minimize.
[2026-05-28 04:35:04] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-28 04:35:04] [INFO ] [Nat]Absence check using 6 positive place invariants in 35 ms returned sat
[2026-05-28 04:35:05] [INFO ] [Nat]Absence check using state equation in 738 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:06] [INFO ] Deduced a trap composed of 204 places in 1023 ms of which 370 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:07] [INFO ] Deduced a trap composed of 395 places in 1582 ms of which 810 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:09] [INFO ] Deduced a trap composed of 205 places in 1036 ms of which 269 ms to minimize.
[2026-05-28 04:35:09] [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: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
[2026-05-28 04:35:09] [INFO ] [Real]Absence check using 6 positive place invariants in 23 ms returned sat
[2026-05-28 04:35:10] [INFO ] [Real]Absence check using state equation in 1226 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:11] [INFO ] Deduced a trap composed of 207 places in 953 ms of which 316 ms to minimize.
[2026-05-28 04:35:11] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-28 04:35:12] [INFO ] [Nat]Absence check using 6 positive place invariants in 80 ms returned sat
[2026-05-28 04:35:13] [INFO ] [Nat]Absence check using state equation in 754 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:14] [INFO ] Deduced a trap composed of 205 places in 1005 ms of which 332 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:15] [INFO ] Deduced a trap composed of 397 places in 1629 ms of which 820 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:17] [INFO ] Deduced a trap composed of 397 places in 1093 ms of which 429 ms to minimize.
[2026-05-28 04:35:17] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 1
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java: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: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
[2026-05-28 04:35:17] [INFO ] [Real]Absence check using 6 positive place invariants in 24 ms returned sat
[2026-05-28 04:35:17] [INFO ] [Real]Absence check using state equation in 573 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:19] [INFO ] Deduced a trap composed of 205 places in 980 ms of which 367 ms to minimize.
[2026-05-28 04:35:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-28 04:35:19] [INFO ] [Nat]Absence check using 6 positive place invariants in 28 ms returned sat
[2026-05-28 04:35:20] [INFO ] [Nat]Absence check using state equation in 776 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:21] [INFO ] Deduced a trap composed of 205 places in 1237 ms of which 364 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:23] [INFO ] Deduced a trap composed of 397 places in 1467 ms of which 790 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:24] [INFO ] Deduced a trap composed of 398 places in 1480 ms of which 778 ms to minimize.
[2026-05-28 04:35:24] [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 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: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
[2026-05-28 04:35:24] [INFO ] [Real]Absence check using 6 positive place invariants in 47 ms returned sat
[2026-05-28 04:35:25] [INFO ] [Real]Absence check using state equation in 720 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:27] [INFO ] Deduced a trap composed of 395 places in 1329 ms of which 662 ms to minimize.
[2026-05-28 04:35:27] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-28 04:35:27] [INFO ] [Nat]Absence check using 6 positive place invariants in 25 ms returned sat
[2026-05-28 04:35:28] [INFO ] [Nat]Absence check using state equation in 648 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:29] [INFO ] Deduced a trap composed of 395 places in 1298 ms of which 668 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:30] [INFO ] Deduced a trap composed of 397 places in 1170 ms of which 492 ms to minimize.
[2026-05-28 04:35:30] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 2765 ms
[2026-05-28 04:35:31] [INFO ] Computed and/alt/rep : 2006/4305/2006 causal constraints (skipped 124 transitions) in 174 ms.
Maximisation of solution failed !
Minimization took 1 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-28 04:35:32] [INFO ] [Real]Absence check using 6 positive place invariants in 25 ms returned sat
[2026-05-28 04:35:33] [INFO ] [Real]Absence check using state equation in 712 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:34] [INFO ] Deduced a trap composed of 204 places in 1182 ms of which 325 ms to minimize.
[2026-05-28 04:35:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-28 04:35:35] [INFO ] [Nat]Absence check using 6 positive place invariants in 24 ms returned sat
[2026-05-28 04:35:36] [INFO ] [Nat]Absence check using state equation in 1358 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:37] [INFO ] Deduced a trap composed of 204 places in 1183 ms of which 279 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:39] [INFO ] Deduced a trap composed of 395 places in 1176 ms of which 582 ms to minimize.
[2026-05-28 04:35:39] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 2749 ms
[2026-05-28 04:35:39] [INFO ] Computed and/alt/rep : 2006/4305/2006 causal constraints (skipped 124 transitions) in 125 ms.
[2026-05-28 04:35:39] [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:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1140)
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
[2026-05-28 04:35:40] [INFO ] [Real]Absence check using 6 positive place invariants in 25 ms returned sat
[2026-05-28 04:35:41] [INFO ] [Real]Absence check using state equation in 738 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:42] [INFO ] Deduced a trap composed of 206 places in 1065 ms of which 287 ms to minimize.
[2026-05-28 04:35:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-28 04:35:42] [INFO ] [Nat]Absence check using 6 positive place invariants in 48 ms returned sat
[2026-05-28 04:35:43] [INFO ] [Nat]Absence check using state equation in 699 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:44] [INFO ] Deduced a trap composed of 206 places in 1104 ms of which 280 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:46] [INFO ] Deduced a trap composed of 395 places in 1347 ms of which 573 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:47] [INFO ] Deduced a trap composed of 396 places in 1506 ms of which 717 ms to minimize.
[2026-05-28 04:35:47] [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: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
[2026-05-28 04:35:48] [INFO ] [Real]Absence check using 6 positive place invariants in 23 ms returned sat
[2026-05-28 04:35:48] [INFO ] [Real]Absence check using state equation in 635 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:49] [INFO ] Deduced a trap composed of 207 places in 962 ms of which 351 ms to minimize.
[2026-05-28 04:35:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-28 04:35:50] [INFO ] [Nat]Absence check using 6 positive place invariants in 26 ms returned sat
[2026-05-28 04:35:50] [INFO ] [Nat]Absence check using state equation in 607 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:51] [INFO ] Deduced a trap composed of 204 places in 1105 ms of which 307 ms to minimize.
[2026-05-28 04:35:52] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1271 ms
[2026-05-28 04:35:52] [INFO ] Computed and/alt/rep : 2006/4305/2006 causal constraints (skipped 124 transitions) in 140 ms.
[2026-05-28 04:35:54] [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 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.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1140)
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
[2026-05-28 04:35:55] [INFO ] [Real]Absence check using 6 positive place invariants in 24 ms returned sat
[2026-05-28 04:35:55] [INFO ] [Real]Absence check using state equation in 635 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:56] [INFO ] Deduced a trap composed of 206 places in 844 ms of which 252 ms to minimize.
[2026-05-28 04:35:56] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-28 04:35:57] [INFO ] [Nat]Absence check using 6 positive place invariants in 25 ms returned sat
[2026-05-28 04:35:57] [INFO ] [Nat]Absence check using state equation in 661 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:59] [INFO ] Deduced a trap composed of 206 places in 985 ms of which 266 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:36:00] [INFO ] Deduced a trap composed of 396 places in 1063 ms of which 378 ms to minimize.
[2026-05-28 04:36:00] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 2300 ms
[2026-05-28 04:36:00] [INFO ] Computed and/alt/rep : 2006/4305/2006 causal constraints (skipped 124 transitions) in 151 ms.
Maximisation of solution failed !
Minimization took 0 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-28 04:36:02] [INFO ] [Real]Absence check using 6 positive place invariants in 23 ms returned sat
[2026-05-28 04:36:02] [INFO ] [Real]Absence check using state equation in 668 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:36:04] [INFO ] Deduced a trap composed of 205 places in 1069 ms of which 360 ms to minimize.
[2026-05-28 04:36:04] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-28 04:36:04] [INFO ] [Nat]Absence check using 6 positive place invariants in 58 ms returned sat
[2026-05-28 04:36:05] [INFO ] [Nat]Absence check using state equation in 688 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:36:06] [INFO ] Deduced a trap composed of 205 places in 1053 ms of which 365 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:36:08] [INFO ] Deduced a trap composed of 395 places in 2159 ms of which 1106 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:36:10] [INFO ] Deduced a trap composed of 395 places in 1289 ms of which 571 ms to minimize.
[2026-05-28 04:36:10] [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: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: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
[2026-05-28 04:36:10] [INFO ] [Real]Absence check using 6 positive place invariants in 24 ms returned sat
[2026-05-28 04:36:11] [INFO ] [Real]Absence check using state equation in 930 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:36:12] [INFO ] Deduced a trap composed of 206 places in 869 ms of which 257 ms to minimize.
[2026-05-28 04:36:12] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-28 04:36:12] [INFO ] [Nat]Absence check using 6 positive place invariants in 25 ms returned sat
[2026-05-28 04:36:13] [INFO ] [Nat]Absence check using state equation in 826 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:36:14] [INFO ] Deduced a trap composed of 206 places in 817 ms of which 265 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:36:15] [INFO ] Deduced a trap composed of 396 places in 1025 ms of which 368 ms to minimize.
[2026-05-28 04:36:15] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 2149 ms
[2026-05-28 04:36:16] [INFO ] Computed and/alt/rep : 2006/4305/2006 causal constraints (skipped 124 transitions) in 130 ms.
[2026-05-28 04:36:17] [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: Broken pipe ... 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: Broken pipe ...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1140)
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)
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 1529 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1529/1529 places, 2131/2131 transitions.
Graph (trivial) has 1498 edges and 1529 vertex of which 88 / 1529 are part of one of the 14 SCC in 7 ms
Free SCC test removed 74 places
Drop transitions (Empty/Sink Transition effects.) removed 96 transitions
Reduce isomorphic transitions removed 96 transitions.
Graph (complete) has 2175 edges and 1455 vertex of which 1445 are kept as prefixes of interest. Removing 10 places using SCC suffix rule.13 ms
Discarding 10 places :
Also discarding 5 output transitions
Drop transitions (Output transitions of discarded places.) removed 5 transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1143 transitions
Trivial Post-agglo rules discarded 1143 transitions
Performed 1143 trivial Post agglomeration. Transition count delta: 1143
Iterating post reduction 0 with 1148 rules applied. Total rules applied 1150 place count 1445 transition count 882
Reduce places removed 1143 places and 0 transitions.
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 11 transitions
Trivial Post-agglo rules discarded 11 transitions
Performed 11 trivial Post agglomeration. Transition count delta: 11
Iterating post reduction 1 with 1174 rules applied. Total rules applied 2324 place count 302 transition count 851
Reduce places removed 11 places and 0 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Iterating post reduction 2 with 15 rules applied. Total rules applied 2339 place count 291 transition count 847
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 3 with 4 rules applied. Total rules applied 2343 place count 287 transition count 847
Performed 54 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 54 Pre rules applied. Total rules applied 2343 place count 287 transition count 793
Deduced a syphon composed of 54 places in 0 ms
Reduce places removed 54 places and 0 transitions.
Iterating global reduction 4 with 108 rules applied. Total rules applied 2451 place count 233 transition count 793
Discarding 58 places :
Symmetric choice reduction at 4 with 58 rule applications. Total rules 2509 place count 175 transition count 735
Iterating global reduction 4 with 58 rules applied. Total rules applied 2567 place count 175 transition count 735
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 2567 place count 175 transition count 734
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 2569 place count 174 transition count 734
Discarding 32 places :
Symmetric choice reduction at 4 with 32 rule applications. Total rules 2601 place count 142 transition count 281
Iterating global reduction 4 with 32 rules applied. Total rules applied 2633 place count 142 transition count 281
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 4 with 15 rules applied. Total rules applied 2648 place count 142 transition count 266
Discarding 10 places :
Symmetric choice reduction at 5 with 10 rule applications. Total rules 2658 place count 132 transition count 256
Iterating global reduction 5 with 10 rules applied. Total rules applied 2668 place count 132 transition count 256
Discarding 10 places :
Symmetric choice reduction at 5 with 10 rule applications. Total rules 2678 place count 122 transition count 246
Iterating global reduction 5 with 10 rules applied. Total rules applied 2688 place count 122 transition count 246
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 5 with 9 rules applied. Total rules applied 2697 place count 122 transition count 237
Performed 19 Post agglomeration using F-continuation condition.Transition count delta: 19
Deduced a syphon composed of 19 places in 1 ms
Reduce places removed 19 places and 0 transitions.
Iterating global reduction 6 with 38 rules applied. Total rules applied 2735 place count 103 transition count 218
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 2736 place count 103 transition count 217
Discarding 5 places :
Symmetric choice reduction at 7 with 5 rule applications. Total rules 2741 place count 98 transition count 212
Iterating global reduction 7 with 5 rules applied. Total rules applied 2746 place count 98 transition count 212
Discarding 5 places :
Symmetric choice reduction at 7 with 5 rule applications. Total rules 2751 place count 93 transition count 207
Iterating global reduction 7 with 5 rules applied. Total rules applied 2756 place count 93 transition count 207
Discarding 5 places :
Symmetric choice reduction at 7 with 5 rule applications. Total rules 2761 place count 88 transition count 202
Iterating global reduction 7 with 5 rules applied. Total rules applied 2766 place count 88 transition count 202
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: -9
Deduced a syphon composed of 5 places in 1 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 7 with 10 rules applied. Total rules applied 2776 place count 83 transition count 211
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 7 with 2 rules applied. Total rules applied 2778 place count 83 transition count 209
Free-agglomeration rule applied 30 times.
Iterating global reduction 8 with 30 rules applied. Total rules applied 2808 place count 83 transition count 179
Reduce places removed 30 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 8 with 35 rules applied. Total rules applied 2843 place count 53 transition count 174
Discarding 4 places :
Symmetric choice reduction at 9 with 4 rule applications. Total rules 2847 place count 49 transition count 170
Iterating global reduction 9 with 4 rules applied. Total rules applied 2851 place count 49 transition count 170
Drop transitions (Redundant composition of simpler transitions.) removed 36 transitions
Redundant transition composition rules discarded 36 transitions
Iterating global reduction 9 with 36 rules applied. Total rules applied 2887 place count 49 transition count 134
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 9 with 2 rules applied. Total rules applied 2889 place count 48 transition count 133
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -18
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 9 with 4 rules applied. Total rules applied 2893 place count 46 transition count 151
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 9 with 1 rules applied. Total rules applied 2894 place count 46 transition count 150
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 2895 place count 45 transition count 150
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 10 with 2 rules applied. Total rules applied 2897 place count 45 transition count 150
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 10 with 2 rules applied. Total rules applied 2899 place count 45 transition count 148
Applied a total of 2899 rules in 416 ms. Remains 45 /1529 variables (removed 1484) and now considering 148/2131 (removed 1983) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 429 ms. Remains : 45/1529 places, 148/2131 transitions.
// Phase 1: matrix 148 rows 45 cols
[2026-05-28 04:36:18] [INFO ] Computed 6 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
RANDOM walk for 1000000 steps (2 resets) in 3059 ms. (326 steps per ms)
FORMULA MedleyB-PT-B03-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyB-PT-B03-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyB-PT-B03-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyB-PT-B03-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyB-PT-B03-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyB-PT-B03-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyB-PT-B03-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyB-PT-B03-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyB-PT-B03-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyB-PT-B03-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000001 steps (2 resets) in 441 ms. (2262 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 4 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 )
[2026-05-28 04:36:21] [INFO ] Flatten gal took : 80 ms
[2026-05-28 04:36:21] [INFO ] Flatten gal took : 16 ms
[2026-05-28 04:36:21] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality18139059518686229161.gal : 10 ms
[2026-05-28 04:36:21] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6781417889719877705.prop : 0 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/ReachabilityCardinality18139059518686229161.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6781417889719877705.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 81810 ms.

BK_STOP 1779942982040

--------------------
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_1.0.0.202505121319.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="MedleyB-PT-B03"
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 MedleyB-PT-B03, 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 r191-oct2-177969025600038"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/MedleyB-PT-B03.tgz
mv MedleyB-PT-B03 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 ;