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.r079-tall-177946972200034.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)
................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is CloudReconfiguration-PT-401, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r079-tall-177946972200034
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.4M
-rw-r--r-- 1 mcc users 7.0K Mar 6 08:53 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K Mar 6 08:53 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.0K Mar 6 08:53 CTLFireability.txt
-rw-r--r-- 1 mcc users 66K Mar 6 08:53 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:27 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 08:27 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 15 08:27 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 08:27 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 6 08:53 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 122K Mar 6 08:53 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.9K Mar 6 08:53 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 75K Mar 6 08:53 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 08:27 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:27 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 912K 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 CloudReconfiguration-PT-401-UpperBounds-00
FORMULA_NAME CloudReconfiguration-PT-401-UpperBounds-01
FORMULA_NAME CloudReconfiguration-PT-401-UpperBounds-02
FORMULA_NAME CloudReconfiguration-PT-401-UpperBounds-03
FORMULA_NAME CloudReconfiguration-PT-401-UpperBounds-04
FORMULA_NAME CloudReconfiguration-PT-401-UpperBounds-05
FORMULA_NAME CloudReconfiguration-PT-401-UpperBounds-06
FORMULA_NAME CloudReconfiguration-PT-401-UpperBounds-07
FORMULA_NAME CloudReconfiguration-PT-401-UpperBounds-08
FORMULA_NAME CloudReconfiguration-PT-401-UpperBounds-09
FORMULA_NAME CloudReconfiguration-PT-401-UpperBounds-10
FORMULA_NAME CloudReconfiguration-PT-401-UpperBounds-11
FORMULA_NAME CloudReconfiguration-PT-401-UpperBounds-12
FORMULA_NAME CloudReconfiguration-PT-401-UpperBounds-13
FORMULA_NAME CloudReconfiguration-PT-401-UpperBounds-14
FORMULA_NAME CloudReconfiguration-PT-401-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779556798733

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CloudReconfiguration-PT-401
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-23 17:20:00] [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]
[2026-05-23 17:20:00] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 17:20:00] [INFO ] Load time of PNML (sax parser for PT used): 189 ms
[2026-05-23 17:20:00] [INFO ] Transformed 3554 places.
[2026-05-23 17:20:00] [INFO ] Transformed 4263 transitions.
[2026-05-23 17:20:00] [INFO ] Found NUPN structural information;
[2026-05-23 17:20:00] [INFO ] Parsed PT model containing 3554 places and 4263 transitions and 8889 arcs in 305 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 16 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 4263 rows 3554 cols
[2026-05-23 17:20:00] [INFO ] Computed 5 invariants in 86 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 (58 resets) in 75 ms. (131 steps per ms)
FORMULA CloudReconfiguration-PT-401-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-401-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 140011 steps (178 resets) in 187 ms. (744 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, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2026-05-23 17:20:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:20:01] [INFO ] [Real]Absence check using 0 positive and 5 generalized place invariants in 66 ms returned sat
[2026-05-23 17:20:03] [INFO ] [Real]Absence check using state equation in 1560 ms returned sat
[2026-05-23 17:20:03] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 218 ms.
[2026-05-23 17:20:05] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:20:05] [INFO ] [Nat]Absence check using 0 positive and 5 generalized place invariants in 67 ms returned sat
[2026-05-23 17:20:07] [INFO ] [Nat]Absence check using state equation in 1639 ms returned sat
[2026-05-23 17:20:08] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 250 ms.
Maximisation of solution failed !
Minimization took 2 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:20:10] [INFO ] [Real]Absence check using 0 positive and 5 generalized place invariants in 61 ms returned sat
[2026-05-23 17:20:12] [INFO ] [Real]Absence check using state equation in 1575 ms returned sat
[2026-05-23 17:20:12] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 163 ms.
[2026-05-23 17:20:14] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:20:14] [INFO ] [Nat]Absence check using 0 positive and 5 generalized place invariants in 69 ms returned sat
[2026-05-23 17:20:16] [INFO ] [Nat]Absence check using state equation in 1568 ms returned sat
[2026-05-23 17:20:16] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 188 ms.
[2026-05-23 17:20:19] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 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
[2026-05-23 17:20:19] [INFO ] [Real]Absence check using 0 positive and 5 generalized place invariants in 61 ms returned sat
[2026-05-23 17:20:21] [INFO ] [Real]Absence check using state equation in 1505 ms returned sat
[2026-05-23 17:20:21] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 159 ms.
[2026-05-23 17:20:23] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:20:23] [INFO ] [Nat]Absence check using 0 positive and 5 generalized place invariants in 65 ms returned sat
[2026-05-23 17:20:25] [INFO ] [Nat]Absence check using state equation in 1504 ms returned sat
[2026-05-23 17:20:25] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 162 ms.
[2026-05-23 17:20:28] [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: Broken pipe ... 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: 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
[2026-05-23 17:20:28] [INFO ] [Real]Absence check using 0 positive and 5 generalized place invariants in 60 ms returned sat
[2026-05-23 17:20:30] [INFO ] [Real]Absence check using state equation in 1520 ms returned sat
[2026-05-23 17:20:30] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 161 ms.
[2026-05-23 17:20:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:20:32] [INFO ] [Nat]Absence check using 0 positive and 5 generalized place invariants in 71 ms returned sat
[2026-05-23 17:20:34] [INFO ] [Nat]Absence check using state equation in 1474 ms returned sat
[2026-05-23 17:20:34] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 165 ms.
[2026-05-23 17:20:37] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 3
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.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
[2026-05-23 17:20:37] [INFO ] [Real]Absence check using 0 positive and 5 generalized place invariants in 60 ms returned sat
[2026-05-23 17:20:39] [INFO ] [Real]Absence check using state equation in 1505 ms returned sat
[2026-05-23 17:20:39] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 166 ms.
[2026-05-23 17:20:40] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:20:41] [INFO ] [Nat]Absence check using 0 positive and 5 generalized place invariants in 68 ms returned sat
[2026-05-23 17:20:43] [INFO ] [Nat]Absence check using state equation in 1562 ms returned sat
[2026-05-23 17:20:43] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 162 ms.
Maximisation of solution failed !
Minimization took 1 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:20:46] [INFO ] [Real]Absence check using 0 positive and 5 generalized place invariants in 60 ms returned sat
[2026-05-23 17:20:48] [INFO ] [Real]Absence check using state equation in 1694 ms returned sat
[2026-05-23 17:20:48] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 209 ms.
[2026-05-23 17:20:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:20:50] [INFO ] [Nat]Absence check using 0 positive and 5 generalized place invariants in 65 ms returned sat
[2026-05-23 17:20:52] [INFO ] [Nat]Absence check using state equation in 1542 ms returned sat
[2026-05-23 17:20:52] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 188 ms.
[2026-05-23 17:20:55] [INFO ] Added : 80 causal constraints over 16 iterations in 2777 ms. Result :unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:20:55] [INFO ] [Real]Absence check using 0 positive and 5 generalized place invariants in 57 ms returned sat
[2026-05-23 17:20:57] [INFO ] [Real]Absence check using state equation in 1575 ms returned sat
[2026-05-23 17:20:57] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 183 ms.
[2026-05-23 17:20:58] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:20:59] [INFO ] [Nat]Absence check using 0 positive and 5 generalized place invariants in 66 ms returned sat
[2026-05-23 17:21:00] [INFO ] [Nat]Absence check using state equation in 1483 ms returned sat
[2026-05-23 17:21:01] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 177 ms.
[2026-05-23 17:21:03] [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
[2026-05-23 17:21:04] [INFO ] [Real]Absence check using 0 positive and 5 generalized place invariants in 60 ms returned sat
[2026-05-23 17:21:06] [INFO ] [Real]Absence check using state equation in 1551 ms returned sat
[2026-05-23 17:21:06] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 179 ms.
[2026-05-23 17:21:07] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:21:08] [INFO ] [Nat]Absence check using 0 positive and 5 generalized place invariants in 65 ms returned sat
[2026-05-23 17:21:09] [INFO ] [Nat]Absence check using state equation in 1501 ms returned sat
[2026-05-23 17:21:10] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 173 ms.
Maximisation of solution failed !
Minimization took 1 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:21:13] [INFO ] [Real]Absence check using 0 positive and 5 generalized place invariants in 64 ms returned sat
[2026-05-23 17:21:15] [INFO ] [Real]Absence check using state equation in 1584 ms returned sat
[2026-05-23 17:21:15] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 186 ms.
[2026-05-23 17:21:16] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:21:17] [INFO ] [Nat]Absence check using 0 positive and 5 generalized place invariants in 65 ms returned sat
[2026-05-23 17:21:18] [INFO ] [Nat]Absence check using state equation in 1554 ms returned sat
[2026-05-23 17:21:19] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 173 ms.
[2026-05-23 17:21:21] [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 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.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
[2026-05-23 17:21:22] [INFO ] [Real]Absence check using 0 positive and 5 generalized place invariants in 61 ms returned sat
[2026-05-23 17:21:23] [INFO ] [Real]Absence check using state equation in 1546 ms returned sat
[2026-05-23 17:21:24] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 151 ms.
[2026-05-23 17:21:25] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:21:26] [INFO ] [Nat]Absence check using 0 positive and 5 generalized place invariants in 65 ms returned sat
[2026-05-23 17:21:27] [INFO ] [Nat]Absence check using state equation in 1573 ms returned sat
[2026-05-23 17:21:28] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 155 ms.
[2026-05-23 17:21:30] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 9
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java: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
[2026-05-23 17:21:31] [INFO ] [Real]Absence check using 0 positive and 5 generalized place invariants in 62 ms returned sat
[2026-05-23 17:21:32] [INFO ] [Real]Absence check using state equation in 1615 ms returned sat
[2026-05-23 17:21:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:21:33] [INFO ] [Nat]Absence check using 0 positive and 5 generalized place invariants in 64 ms returned sat
[2026-05-23 17:21:35] [INFO ] [Nat]Absence check using state equation in 1523 ms returned sat
[2026-05-23 17:21:35] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 168 ms.
Maximisation of solution failed !
Minimization took 0 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:21:38] [INFO ] [Real]Absence check using 0 positive and 5 generalized place invariants in 62 ms returned sat
[2026-05-23 17:21:40] [INFO ] [Real]Absence check using state equation in 1545 ms returned sat
[2026-05-23 17:21:40] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 162 ms.
[2026-05-23 17:21:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:21:42] [INFO ] [Nat]Absence check using 0 positive and 5 generalized place invariants in 63 ms returned sat
[2026-05-23 17:21:44] [INFO ] [Nat]Absence check using state equation in 1549 ms returned sat
[2026-05-23 17:21:44] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 158 ms.
[2026-05-23 17:21:46] [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 11
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
[2026-05-23 17:21:47] [INFO ] [Real]Absence check using 0 positive and 5 generalized place invariants in 61 ms returned sat
[2026-05-23 17:21:49] [INFO ] [Real]Absence check using state equation in 1502 ms returned sat
[2026-05-23 17:21:49] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 165 ms.
[2026-05-23 17:21:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:21:51] [INFO ] [Nat]Absence check using 0 positive and 5 generalized place invariants in 63 ms returned sat
[2026-05-23 17:21:53] [INFO ] [Nat]Absence check using state equation in 1644 ms returned sat
[2026-05-23 17:21:53] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 169 ms.
[2026-05-23 17:21:55] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 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)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:21:56] [INFO ] [Real]Absence check using 0 positive and 5 generalized place invariants in 59 ms returned sat
[2026-05-23 17:21:58] [INFO ] [Real]Absence check using state equation in 1557 ms returned sat
[2026-05-23 17:21:58] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 174 ms.
[2026-05-23 17:21:59] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:22:00] [INFO ] [Nat]Absence check using 0 positive and 5 generalized place invariants in 64 ms returned sat
[2026-05-23 17:22:01] [INFO ] [Nat]Absence check using state equation in 1536 ms returned sat
[2026-05-23 17:22:02] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 180 ms.
Maximisation of solution failed !
Minimization took 0 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[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]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
Support contains 14 out of 3554 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3554/3554 places, 4263/4263 transitions.
Graph (trivial) has 4048 edges and 3554 vertex of which 1228 / 3554 are part of one of the 87 SCC in 13 ms
Free SCC test removed 1141 places
Drop transitions (Empty/Sink Transition effects.) removed 1399 transitions
Reduce isomorphic transitions removed 1399 transitions.
Graph (complete) has 3236 edges and 2413 vertex of which 2395 are kept as prefixes of interest. Removing 18 places using SCC suffix rule.5 ms
Discarding 18 places :
Also discarding 12 output transitions
Drop transitions (Output transitions of discarded places.) removed 12 transitions
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1613 transitions
Trivial Post-agglo rules discarded 1613 transitions
Performed 1613 trivial Post agglomeration. Transition count delta: 1613
Iterating post reduction 0 with 1625 rules applied. Total rules applied 1627 place count 2395 transition count 1227
Reduce places removed 1613 places and 0 transitions.
Ensure Unique test removed 109 transitions
Reduce isomorphic transitions removed 109 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 92 transitions
Trivial Post-agglo rules discarded 92 transitions
Performed 92 trivial Post agglomeration. Transition count delta: 92
Iterating post reduction 1 with 1814 rules applied. Total rules applied 3441 place count 782 transition count 1026
Reduce places removed 92 places and 0 transitions.
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 2 with 100 rules applied. Total rules applied 3541 place count 690 transition count 1018
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 3 with 5 rules applied. Total rules applied 3546 place count 688 transition count 1015
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 4 with 4 rules applied. Total rules applied 3550 place count 686 transition count 1013
Reduce places removed 1 places and 0 transitions.
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: 9
Iterating post reduction 5 with 10 rules applied. Total rules applied 3560 place count 685 transition count 1004
Reduce places removed 9 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 10 rules applied. Total rules applied 3570 place count 676 transition count 1003
Performed 30 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 30 Pre rules applied. Total rules applied 3570 place count 676 transition count 973
Deduced a syphon composed of 30 places in 1 ms
Reduce places removed 30 places and 0 transitions.
Iterating global reduction 7 with 60 rules applied. Total rules applied 3630 place count 646 transition count 973
Discarding 104 places :
Symmetric choice reduction at 7 with 104 rule applications. Total rules 3734 place count 542 transition count 869
Iterating global reduction 7 with 104 rules applied. Total rules applied 3838 place count 542 transition count 869
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 3839 place count 542 transition count 868
Performed 11 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 8 with 11 Pre rules applied. Total rules applied 3839 place count 542 transition count 857
Deduced a syphon composed of 11 places in 4 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 8 with 22 rules applied. Total rules applied 3861 place count 531 transition count 857
Discarding 77 places :
Symmetric choice reduction at 8 with 77 rule applications. Total rules 3938 place count 454 transition count 780
Iterating global reduction 8 with 77 rules applied. Total rules applied 4015 place count 454 transition count 780
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 23 transitions
Trivial Post-agglo rules discarded 23 transitions
Performed 23 trivial Post agglomeration. Transition count delta: 23
Iterating post reduction 8 with 46 rules applied. Total rules applied 4061 place count 454 transition count 734
Reduce places removed 23 places and 0 transitions.
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 9 with 36 rules applied. Total rules applied 4097 place count 431 transition count 721
Reduce places removed 6 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 10 with 7 rules applied. Total rules applied 4104 place count 425 transition count 720
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 11 with 1 rules applied. Total rules applied 4105 place count 424 transition count 720
Discarding 25 places :
Symmetric choice reduction at 12 with 25 rule applications. Total rules 4130 place count 399 transition count 681
Iterating global reduction 12 with 25 rules applied. Total rules applied 4155 place count 399 transition count 681
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 12 with 10 rules applied. Total rules applied 4165 place count 399 transition count 671
Discarding 11 places :
Symmetric choice reduction at 13 with 11 rule applications. Total rules 4176 place count 388 transition count 649
Iterating global reduction 13 with 11 rules applied. Total rules applied 4187 place count 388 transition count 649
Discarding 4 places :
Symmetric choice reduction at 13 with 4 rule applications. Total rules 4191 place count 384 transition count 641
Iterating global reduction 13 with 4 rules applied. Total rules applied 4195 place count 384 transition count 641
Performed 203 Post agglomeration using F-continuation condition with reduction of 107 identical transitions.
Deduced a syphon composed of 203 places in 0 ms
Reduce places removed 203 places and 0 transitions.
Iterating global reduction 13 with 406 rules applied. Total rules applied 4601 place count 181 transition count 331
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 13 with 7 rules applied. Total rules applied 4608 place count 181 transition count 324
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 14 with 6 rules applied. Total rules applied 4614 place count 178 transition count 321
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 14 with 6 rules applied. Total rules applied 4620 place count 178 transition count 315
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 15 with 6 rules applied. Total rules applied 4626 place count 175 transition count 312
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 15 with 6 rules applied. Total rules applied 4632 place count 175 transition count 306
Performed 46 Post agglomeration using F-continuation condition with reduction of 22 identical transitions.
Deduced a syphon composed of 46 places in 1 ms
Reduce places removed 46 places and 0 transitions.
Iterating global reduction 16 with 92 rules applied. Total rules applied 4724 place count 129 transition count 349
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Ensure Unique test removed 35 transitions
Reduce isomorphic transitions removed 46 transitions.
Iterating post reduction 16 with 46 rules applied. Total rules applied 4770 place count 129 transition count 303
Discarding 27 places :
Symmetric choice reduction at 17 with 27 rule applications. Total rules 4797 place count 102 transition count 257
Iterating global reduction 17 with 27 rules applied. Total rules applied 4824 place count 102 transition count 257
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 17 with 13 rules applied. Total rules applied 4837 place count 102 transition count 244
Discarding 7 places :
Symmetric choice reduction at 18 with 7 rule applications. Total rules 4844 place count 95 transition count 230
Iterating global reduction 18 with 7 rules applied. Total rules applied 4851 place count 95 transition count 230
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 18 with 6 rules applied. Total rules applied 4857 place count 95 transition count 224
Drop transitions (Redundant composition of simpler transitions.) removed 17 transitions
Redundant transition composition rules discarded 17 transitions
Iterating global reduction 19 with 17 rules applied. Total rules applied 4874 place count 95 transition count 207
Discarding 1 places :
Symmetric choice reduction at 19 with 1 rule applications. Total rules 4875 place count 94 transition count 204
Iterating global reduction 19 with 1 rules applied. Total rules applied 4876 place count 94 transition count 204
Discarding 1 places :
Symmetric choice reduction at 19 with 1 rule applications. Total rules 4877 place count 93 transition count 203
Iterating global reduction 19 with 1 rules applied. Total rules applied 4878 place count 93 transition count 203
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 19 with 1 rules applied. Total rules applied 4879 place count 93 transition count 202
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 20 with 2 rules applied. Total rules applied 4881 place count 92 transition count 201
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 20 with 1 rules applied. Total rules applied 4882 place count 92 transition count 200
Free-agglomeration rule applied 6 times.
Iterating global reduction 20 with 6 rules applied. Total rules applied 4888 place count 92 transition count 194
Reduce places removed 6 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 20 with 8 rules applied. Total rules applied 4896 place count 86 transition count 192
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 21 with 1 rules applied. Total rules applied 4897 place count 86 transition count 191
Partial Free-agglomeration rule applied 3 times.
Drop transitions (Partial Free agglomeration) removed 3 transitions
Iterating global reduction 21 with 3 rules applied. Total rules applied 4900 place count 86 transition count 191
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 21 with 2 rules applied. Total rules applied 4902 place count 86 transition count 189
Discarding 2 places :
Symmetric choice reduction at 21 with 2 rule applications. Total rules 4904 place count 84 transition count 187
Iterating global reduction 21 with 2 rules applied. Total rules applied 4906 place count 84 transition count 187
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 21 with 1 rules applied. Total rules applied 4907 place count 83 transition count 186
Applied a total of 4907 rules in 432 ms. Remains 83 /3554 variables (removed 3471) and now considering 186/4263 (removed 4077) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 447 ms. Remains : 83/3554 places, 186/4263 transitions.
[2026-05-23 17:22:05] [INFO ] Flow matrix only has 173 transitions (discarded 13 similar events)
// Phase 1: matrix 173 rows 83 cols
[2026-05-23 17:22:05] [INFO ] Computed 5 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
FORMULA CloudReconfiguration-PT-401-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudReconfiguration-PT-401-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 1000000 steps (10510 resets) in 1231 ms. (811 steps per ms)
FORMULA CloudReconfiguration-PT-401-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-401-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-401-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-401-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-401-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-401-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-401-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-401-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-401-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-401-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-401-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-401-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000001 steps (3049 resets) in 436 ms. (2288 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 )
[2026-05-23 17:22:07] [INFO ] Flatten gal took : 43 ms
[2026-05-23 17:22:07] [INFO ] Flatten gal took : 16 ms
[2026-05-23 17:22:07] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12941897961318594515.gal : 9 ms
[2026-05-23 17:22:07] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6833120539111091363.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality12941897961318594515.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6833120539111091363.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
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 127422 ms.

BK_STOP 1779556927480

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
++ perl -pe 's/.*\.//g'
+ 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="CloudReconfiguration-PT-401"
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 CloudReconfiguration-PT-401, 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 r079-tall-177946972200034"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-401.tgz
mv CloudReconfiguration-PT-401 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 ;