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.r143-smll-177955812400050.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 FlexibleBarrier-PT-14b, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r143-smll-177955812400050
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 7.8K Mar 7 06:45 CTLCardinality.txt
-rw-r--r-- 1 mcc users 85K Mar 7 06:45 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K Mar 7 06:45 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K Mar 7 06:45 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.0K Mar 15 10:13 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 10:13 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 10:13 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 10:13 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.7K Mar 7 06:45 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 84K Mar 7 06:45 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 7 06:45 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 95K Mar 7 06:45 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:13 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:13 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 726K 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 FlexibleBarrier-PT-14b-UpperBounds-00
FORMULA_NAME FlexibleBarrier-PT-14b-UpperBounds-01
FORMULA_NAME FlexibleBarrier-PT-14b-UpperBounds-02
FORMULA_NAME FlexibleBarrier-PT-14b-UpperBounds-03
FORMULA_NAME FlexibleBarrier-PT-14b-UpperBounds-04
FORMULA_NAME FlexibleBarrier-PT-14b-UpperBounds-05
FORMULA_NAME FlexibleBarrier-PT-14b-UpperBounds-06
FORMULA_NAME FlexibleBarrier-PT-14b-UpperBounds-07
FORMULA_NAME FlexibleBarrier-PT-14b-UpperBounds-08
FORMULA_NAME FlexibleBarrier-PT-14b-UpperBounds-09
FORMULA_NAME FlexibleBarrier-PT-14b-UpperBounds-10
FORMULA_NAME FlexibleBarrier-PT-14b-UpperBounds-11
FORMULA_NAME FlexibleBarrier-PT-14b-UpperBounds-12
FORMULA_NAME FlexibleBarrier-PT-14b-UpperBounds-13
FORMULA_NAME FlexibleBarrier-PT-14b-UpperBounds-14
FORMULA_NAME FlexibleBarrier-PT-14b-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779627002997

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FlexibleBarrier-PT-14b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-24 12:50:05] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-24 12:50:05] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 12:50:05] [INFO ] Load time of PNML (sax parser for PT used): 335 ms
[2026-05-24 12:50:05] [INFO ] Transformed 2678 places.
[2026-05-24 12:50:05] [INFO ] Transformed 3085 transitions.
[2026-05-24 12:50:05] [INFO ] Found NUPN structural information;
[2026-05-24 12:50:05] [INFO ] Parsed PT model containing 2678 places and 3085 transitions and 7733 arcs in 515 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 11 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 3085 rows 2678 cols
[2026-05-24 12:50:06] [INFO ] Computed 16 invariants in 171 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 (102 resets) in 128 ms. (77 steps per ms)
FORMULA FlexibleBarrier-PT-14b-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FlexibleBarrier-PT-14b-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FlexibleBarrier-PT-14b-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 130010 steps (115 resets) in 250 ms. (517 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[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]
[2026-05-24 12:50:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:50:08] [INFO ] [Real]Absence check using 16 positive place invariants in 173 ms returned sat
[2026-05-24 12:50:10] [INFO ] [Real]Absence check using state equation in 2338 ms returned sat
[2026-05-24 12:50:11] [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: Broken pipe")... while checking expression at index 0
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: 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:957)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:878)
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
[2026-05-24 12:50:12] [INFO ] [Real]Absence check using 16 positive place invariants in 98 ms returned sat
[2026-05-24 12:50:14] [INFO ] [Real]Absence check using state equation in 2006 ms returned sat
[2026-05-24 12:50:15] [INFO ] Computed and/alt/rep : 2839/4489/2839 causal constraints (skipped 245 transitions) in 447 ms.
[2026-05-24 12:50:16] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:50:17] [INFO ] [Nat]Absence check using 16 positive place invariants in 98 ms returned sat
[2026-05-24 12:50:19] [INFO ] [Nat]Absence check using state equation in 1938 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:50:20] [INFO ] Deduced a trap composed of 128 places in 1048 ms of which 195 ms to minimize.
[2026-05-24 12:50:20] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1535 ms
[2026-05-24 12:50:21] [INFO ] Computed and/alt/rep : 2839/4489/2839 causal constraints (skipped 245 transitions) in 405 ms.
[2026-05-24 12:50:21] [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 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.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
[2026-05-24 12:50:22] [INFO ] [Real]Absence check using 16 positive place invariants in 95 ms returned sat
[2026-05-24 12:50:24] [INFO ] [Real]Absence check using state equation in 1811 ms returned sat
[2026-05-24 12:50:25] [INFO ] Computed and/alt/rep : 2839/4489/2839 causal constraints (skipped 245 transitions) in 296 ms.
[2026-05-24 12:50:26] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:50:27] [INFO ] [Nat]Absence check using 16 positive place invariants in 98 ms returned sat
[2026-05-24 12:50:29] [INFO ] [Nat]Absence check using state equation in 1916 ms returned sat
[2026-05-24 12:50:29] [INFO ] Computed and/alt/rep : 2839/4489/2839 causal constraints (skipped 245 transitions) in 317 ms.
[2026-05-24 12:50:31] [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.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
[2026-05-24 12:50:32] [INFO ] [Real]Absence check using 16 positive place invariants in 96 ms returned sat
[2026-05-24 12:50:34] [INFO ] [Real]Absence check using state equation in 1973 ms returned sat
[2026-05-24 12:50:34] [INFO ] Computed and/alt/rep : 2839/4489/2839 causal constraints (skipped 245 transitions) in 314 ms.
[2026-05-24 12:50:35] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:50:36] [INFO ] [Nat]Absence check using 16 positive place invariants in 102 ms returned sat
[2026-05-24 12:50:38] [INFO ] [Nat]Absence check using state equation in 1931 ms returned sat
[2026-05-24 12:50:38] [INFO ] Computed and/alt/rep : 2839/4489/2839 causal constraints (skipped 245 transitions) in 293 ms.
Maximisation of solution failed !
Minimization took 2 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:50:41] [INFO ] [Real]Absence check using 16 positive place invariants in 114 ms returned sat
[2026-05-24 12:50:43] [INFO ] [Real]Absence check using state equation in 1670 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:50:44] [INFO ] Deduced a trap composed of 245 places in 695 ms of which 33 ms to minimize.
[2026-05-24 12:50:44] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:50:45] [INFO ] [Nat]Absence check using 16 positive place invariants in 100 ms returned sat
[2026-05-24 12:50:47] [INFO ] [Nat]Absence check using state equation in 1926 ms returned sat
[2026-05-24 12:50:47] [INFO ] Computed and/alt/rep : 2839/4489/2839 causal constraints (skipped 245 transitions) in 338 ms.
Maximisation of solution failed !
Minimization took 0 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:50:50] [INFO ] [Real]Absence check using 16 positive place invariants in 93 ms returned sat
[2026-05-24 12:50:52] [INFO ] [Real]Absence check using state equation in 1883 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:50:53] [INFO ] Deduced a trap composed of 245 places in 708 ms of which 35 ms to minimize.
[2026-05-24 12:50:53] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:50:54] [INFO ] [Nat]Absence check using 16 positive place invariants in 142 ms returned sat
[2026-05-24 12:50:56] [INFO ] [Nat]Absence check using state equation in 1683 ms returned sat
[2026-05-24 12:50:56] [INFO ] Computed and/alt/rep : 2839/4489/2839 causal constraints (skipped 245 transitions) in 244 ms.
Maximisation of solution failed !
Minimization took 0 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:50:59] [INFO ] [Real]Absence check using 16 positive place invariants in 105 ms returned sat
[2026-05-24 12:51:01] [INFO ] [Real]Absence check using state equation in 1724 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:51:01] [INFO ] Deduced a trap composed of 138 places in 485 ms of which 22 ms to minimize.
[2026-05-24 12:51:02] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:51:03] [INFO ] [Nat]Absence check using 16 positive place invariants in 171 ms returned sat
[2026-05-24 12:51:05] [INFO ] [Nat]Absence check using state equation in 1955 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:51:07] [INFO ] Deduced a trap composed of 138 places in 2734 ms of which 521 ms to minimize.
[2026-05-24 12:51:07] [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: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
[2026-05-24 12:51:08] [INFO ] [Real]Absence check using 16 positive place invariants in 133 ms returned sat
[2026-05-24 12:51:11] [INFO ] [Real]Absence check using state equation in 2192 ms returned sat
[2026-05-24 12:51:11] [INFO ] Computed and/alt/rep : 2839/4489/2839 causal constraints (skipped 245 transitions) in 228 ms.
[2026-05-24 12:51:12] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:51:13] [INFO ] [Nat]Absence check using 16 positive place invariants in 96 ms returned sat
[2026-05-24 12:51:15] [INFO ] [Nat]Absence check using state equation in 2121 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:51:16] [INFO ] Deduced a trap composed of 134 places in 536 ms of which 24 ms to minimize.
[2026-05-24 12:51:16] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 963 ms
[2026-05-24 12:51:16] [INFO ] Computed and/alt/rep : 2839/4489/2839 causal constraints (skipped 245 transitions) in 436 ms.
[2026-05-24 12:51:17] [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 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: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
[2026-05-24 12:51:18] [INFO ] [Real]Absence check using 16 positive place invariants in 93 ms returned sat
[2026-05-24 12:51:20] [INFO ] [Real]Absence check using state equation in 2067 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:51:21] [INFO ] Deduced a trap composed of 245 places in 724 ms of which 44 ms to minimize.
[2026-05-24 12:51:21] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:51:22] [INFO ] [Nat]Absence check using 16 positive place invariants in 94 ms returned sat
[2026-05-24 12:51:24] [INFO ] [Nat]Absence check using state equation in 2052 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:51:28] [INFO ] Deduced a trap composed of 873 places in 3541 ms of which 1412 ms to minimize.
[2026-05-24 12:51:28] [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
[2026-05-24 12:51:29] [INFO ] [Real]Absence check using 16 positive place invariants in 91 ms returned sat
[2026-05-24 12:51:31] [INFO ] [Real]Absence check using state equation in 1764 ms returned sat
[2026-05-24 12:51:31] [INFO ] Computed and/alt/rep : 2839/4489/2839 causal constraints (skipped 245 transitions) in 227 ms.
[2026-05-24 12:51:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:51:33] [INFO ] [Nat]Absence check using 16 positive place invariants in 97 ms returned sat
[2026-05-24 12:51:35] [INFO ] [Nat]Absence check using state equation in 1765 ms returned sat
[2026-05-24 12:51:35] [INFO ] Computed and/alt/rep : 2839/4489/2839 causal constraints (skipped 245 transitions) in 222 ms.
[2026-05-24 12:51:37] [INFO ] Added : 35 causal constraints over 7 iterations in 2202 ms. Result :unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:51:38] [INFO ] [Real]Absence check using 16 positive place invariants in 147 ms returned sat
[2026-05-24 12:51:40] [INFO ] [Real]Absence check using state equation in 1771 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:51:44] [INFO ] Deduced a trap composed of 873 places in 4219 ms of which 2137 ms to minimize.
[2026-05-24 12:51:44] [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 10
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
[2026-05-24 12:51:45] [INFO ] [Real]Absence check using 16 positive place invariants in 123 ms returned sat
[2026-05-24 12:51:47] [INFO ] [Real]Absence check using state equation in 1859 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:51:48] [INFO ] Deduced a trap composed of 245 places in 665 ms of which 49 ms to minimize.
[2026-05-24 12:51:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:51:49] [INFO ] [Nat]Absence check using 16 positive place invariants in 97 ms returned sat
[2026-05-24 12:51:51] [INFO ] [Nat]Absence check using state equation in 1764 ms returned sat
[2026-05-24 12:51:51] [INFO ] Computed and/alt/rep : 2839/4489/2839 causal constraints (skipped 245 transitions) in 220 ms.
[2026-05-24 12:51:53] [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 11
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)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:51:54] [INFO ] [Real]Absence check using 16 positive place invariants in 94 ms returned sat
[2026-05-24 12:51:55] [INFO ] [Real]Absence check using state equation in 1612 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:51:57] [INFO ] Deduced a trap composed of 245 places in 789 ms of which 42 ms to minimize.
[2026-05-24 12:51:57] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:51:58] [INFO ] [Nat]Absence check using 16 positive place invariants in 126 ms returned sat
[2026-05-24 12:51:59] [INFO ] [Nat]Absence check using state equation in 1741 ms returned sat
[2026-05-24 12:52:00] [INFO ] Computed and/alt/rep : 2839/4489/2839 causal constraints (skipped 245 transitions) in 363 ms.
[2026-05-24 12:52:02] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 12
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)
Current structural bounds on expressions (after SMT) : Max Seen:[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]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 1, 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]
Support contains 13 out of 2678 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2678/2678 places, 3085/3085 transitions.
Graph (trivial) has 2614 edges and 2678 vertex of which 86 / 2678 are part of one of the 14 SCC in 36 ms
Free SCC test removed 72 places
Drop transitions (Empty/Sink Transition effects.) removed 87 transitions
Reduce isomorphic transitions removed 87 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 661 transitions
Trivial Post-agglo rules discarded 661 transitions
Performed 661 trivial Post agglomeration. Transition count delta: 661
Iterating post reduction 0 with 661 rules applied. Total rules applied 662 place count 2606 transition count 2337
Reduce places removed 661 places and 0 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Iterating post reduction 1 with 664 rules applied. Total rules applied 1326 place count 1945 transition count 2334
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 1329 place count 1942 transition count 2334
Performed 175 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 175 Pre rules applied. Total rules applied 1329 place count 1942 transition count 2159
Deduced a syphon composed of 175 places in 4 ms
Reduce places removed 175 places and 0 transitions.
Iterating global reduction 3 with 350 rules applied. Total rules applied 1679 place count 1767 transition count 2159
Discarding 1036 places :
Symmetric choice reduction at 3 with 1036 rule applications. Total rules 2715 place count 731 transition count 1123
Iterating global reduction 3 with 1036 rules applied. Total rules applied 3751 place count 731 transition count 1123
Performed 11 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 11 Pre rules applied. Total rules applied 3751 place count 731 transition count 1112
Deduced a syphon composed of 11 places in 3 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 3 with 22 rules applied. Total rules applied 3773 place count 720 transition count 1112
Discarding 164 places :
Symmetric choice reduction at 3 with 164 rule applications. Total rules 3937 place count 556 transition count 948
Iterating global reduction 3 with 164 rules applied. Total rules applied 4101 place count 556 transition count 948
Ensure Unique test removed 160 transitions
Reduce isomorphic transitions removed 160 transitions.
Iterating post reduction 3 with 160 rules applied. Total rules applied 4261 place count 556 transition count 788
Performed 76 Post agglomeration using F-continuation condition.Transition count delta: 76
Deduced a syphon composed of 76 places in 1 ms
Reduce places removed 76 places and 0 transitions.
Iterating global reduction 4 with 152 rules applied. Total rules applied 4413 place count 480 transition count 712
Drop transitions (Empty/Sink Transition effects.) removed 28 transitions
Reduce isomorphic transitions removed 28 transitions.
Iterating post reduction 4 with 28 rules applied. Total rules applied 4441 place count 480 transition count 684
Discarding 14 places :
Symmetric choice reduction at 5 with 14 rule applications. Total rules 4455 place count 466 transition count 670
Iterating global reduction 5 with 14 rules applied. Total rules applied 4469 place count 466 transition count 670
Free-agglomeration rule applied 375 times.
Iterating global reduction 5 with 375 rules applied. Total rules applied 4844 place count 466 transition count 295
Reduce places removed 375 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 165 transitions
Reduce isomorphic transitions removed 165 transitions.
Graph (complete) has 255 edges and 91 vertex of which 86 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.1 ms
Discarding 5 places :
Also discarding 0 output transitions
Iterating post reduction 5 with 541 rules applied. Total rules applied 5385 place count 86 transition count 130
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 6 with 7 rules applied. Total rules applied 5392 place count 86 transition count 123
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 7 with 1 rules applied. Total rules applied 5393 place count 86 transition count 122
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 7 with 1 rules applied. Total rules applied 5394 place count 85 transition count 121
Reduce places removed 1 places and 0 transitions.
Graph (trivial) has 65 edges and 84 vertex of which 26 / 84 are part of one of the 13 SCC in 1 ms
Free SCC test removed 13 places
Iterating post reduction 7 with 2 rules applied. Total rules applied 5396 place count 71 transition count 121
Drop transitions (Empty/Sink Transition effects.) removed 26 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 8 with 26 rules applied. Total rules applied 5422 place count 71 transition count 95
Performed 13 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 9 with 13 Pre rules applied. Total rules applied 5422 place count 71 transition count 82
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 9 with 26 rules applied. Total rules applied 5448 place count 58 transition count 82
Drop transitions (Empty/Sink Transition effects.) removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 9 with 13 rules applied. Total rules applied 5461 place count 58 transition count 69
Performed 13 Post agglomeration using F-continuation condition.Transition count delta: 13
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 10 with 26 rules applied. Total rules applied 5487 place count 45 transition count 56
Free-agglomeration rule applied 13 times.
Iterating global reduction 10 with 13 rules applied. Total rules applied 5500 place count 45 transition count 43
Reduce places removed 21 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 10 with 34 rules applied. Total rules applied 5534 place count 24 transition count 30
Applied a total of 5534 rules in 1062 ms. Remains 24 /2678 variables (removed 2654) and now considering 30/3085 (removed 3055) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1077 ms. Remains : 24/2678 places, 30/3085 transitions.
// Phase 1: matrix 30 rows 24 cols
[2026-05-24 12:52:03] [INFO ] Computed 6 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 1, 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]
FORMULA FlexibleBarrier-PT-14b-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 1000000 steps (2 resets) in 1403 ms. (712 steps per ms)
FORMULA FlexibleBarrier-PT-14b-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FlexibleBarrier-PT-14b-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FlexibleBarrier-PT-14b-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FlexibleBarrier-PT-14b-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FlexibleBarrier-PT-14b-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FlexibleBarrier-PT-14b-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FlexibleBarrier-PT-14b-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FlexibleBarrier-PT-14b-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FlexibleBarrier-PT-14b-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FlexibleBarrier-PT-14b-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FlexibleBarrier-PT-14b-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FlexibleBarrier-PT-14b-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000000 steps (2 resets) in 370 ms. (2695 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 )
[2026-05-24 12:52:05] [INFO ] Flatten gal took : 32 ms
[2026-05-24 12:52:05] [INFO ] Flatten gal took : 6 ms
[2026-05-24 12:52:05] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9010312740676554812.gal : 6 ms
[2026-05-24 12:52:05] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4825594029502553716.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/ReachabilityCardinality9010312740676554812.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4825594029502553716.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 120388 ms.

BK_STOP 1779627125823

--------------------
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="FlexibleBarrier-PT-14b"
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 FlexibleBarrier-PT-14b, 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 r143-smll-177955812400050"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

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