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-177946972200028.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 CloudReconfiguration-PT-314, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r079-tall-177946972200028
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 8.6K Mar 6 08:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 95K Mar 6 08:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.4K Mar 6 08:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 60K Mar 6 08:54 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 08:25 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 08:25 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 15 08:25 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 08:25 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 6 08:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 138K Mar 6 08:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.0K Mar 6 08:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 76K Mar 6 08:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 08:25 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:25 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 660K 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-314-UpperBounds-00
FORMULA_NAME CloudReconfiguration-PT-314-UpperBounds-01
FORMULA_NAME CloudReconfiguration-PT-314-UpperBounds-02
FORMULA_NAME CloudReconfiguration-PT-314-UpperBounds-03
FORMULA_NAME CloudReconfiguration-PT-314-UpperBounds-04
FORMULA_NAME CloudReconfiguration-PT-314-UpperBounds-05
FORMULA_NAME CloudReconfiguration-PT-314-UpperBounds-06
FORMULA_NAME CloudReconfiguration-PT-314-UpperBounds-07
FORMULA_NAME CloudReconfiguration-PT-314-UpperBounds-08
FORMULA_NAME CloudReconfiguration-PT-314-UpperBounds-09
FORMULA_NAME CloudReconfiguration-PT-314-UpperBounds-10
FORMULA_NAME CloudReconfiguration-PT-314-UpperBounds-11
FORMULA_NAME CloudReconfiguration-PT-314-UpperBounds-12
FORMULA_NAME CloudReconfiguration-PT-314-UpperBounds-13
FORMULA_NAME CloudReconfiguration-PT-314-UpperBounds-14
FORMULA_NAME CloudReconfiguration-PT-314-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779556715002

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CloudReconfiguration-PT-314
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-23 17:18:36] [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 17:18:36] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 17:18:36] [INFO ] Load time of PNML (sax parser for PT used): 142 ms
[2026-05-23 17:18:36] [INFO ] Transformed 2585 places.
[2026-05-23 17:18:36] [INFO ] Transformed 3095 transitions.
[2026-05-23 17:18:36] [INFO ] Found NUPN structural information;
[2026-05-23 17:18:36] [INFO ] Parsed PT model containing 2585 places and 3095 transitions and 6463 arcs in 243 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 8 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 3095 rows 2585 cols
[2026-05-23 17:18:36] [INFO ] Computed 4 invariants in 71 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 (103 resets) in 43 ms. (227 steps per ms)
FORMULA CloudReconfiguration-PT-314-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-314-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-314-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-314-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-314-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 110008 steps (379 resets) in 163 ms. (670 steps per ms)
FORMULA CloudReconfiguration-PT-314-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2026-05-23 17:18:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:18:37] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 48 ms returned sat
[2026-05-23 17:18:38] [INFO ] [Real]Absence check using state equation in 1168 ms returned sat
[2026-05-23 17:18:39] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 138 ms.
[2026-05-23 17:18:40] [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 17:18:40] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 46 ms returned sat
[2026-05-23 17:18:41] [INFO ] [Nat]Absence check using state equation in 1168 ms returned sat
[2026-05-23 17:18:42] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 156 ms.
[2026-05-23 17:18:45] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 0
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.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 17:18:45] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 41 ms returned sat
[2026-05-23 17:18:46] [INFO ] [Real]Absence check using state equation in 1048 ms returned sat
[2026-05-23 17:18:46] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 141 ms.
[2026-05-23 17:18:47] [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 17:18:48] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 45 ms returned sat
[2026-05-23 17:18:49] [INFO ] [Nat]Absence check using state equation in 1050 ms returned sat
[2026-05-23 17:18:49] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 108 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 17:18:53] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 43 ms returned sat
[2026-05-23 17:18:54] [INFO ] [Real]Absence check using state equation in 1076 ms returned sat
[2026-05-23 17:18:54] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 118 ms.
[2026-05-23 17:18:55] [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 17:18:55] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 44 ms returned sat
[2026-05-23 17:18:56] [INFO ] [Nat]Absence check using state equation in 980 ms returned sat
[2026-05-23 17:18:56] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 114 ms.
[2026-05-23 17:19:00] [INFO ] Added : 140 causal constraints over 28 iterations in 3529 ms. Result :unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:19:00] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 42 ms returned sat
[2026-05-23 17:19:01] [INFO ] [Real]Absence check using state equation in 932 ms returned sat
[2026-05-23 17:19:02] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 142 ms.
[2026-05-23 17:19:02] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:19:03] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 49 ms returned sat
[2026-05-23 17:19:04] [INFO ] [Nat]Absence check using state equation in 1030 ms returned sat
[2026-05-23 17:19:04] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 120 ms.
[2026-05-23 17:19:07] [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 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 17:19:08] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 41 ms returned sat
[2026-05-23 17:19:09] [INFO ] [Real]Absence check using state equation in 994 ms returned sat
[2026-05-23 17:19:09] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 120 ms.
[2026-05-23 17:19:10] [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 17:19:10] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 43 ms returned sat
[2026-05-23 17:19:11] [INFO ] [Nat]Absence check using state equation in 987 ms returned sat
[2026-05-23 17:19:11] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 123 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 17:19:15] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 40 ms returned sat
[2026-05-23 17:19:16] [INFO ] [Real]Absence check using state equation in 1198 ms returned sat
[2026-05-23 17:19:17] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 129 ms.
[2026-05-23 17:19:18] [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 17:19:18] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 43 ms returned sat
[2026-05-23 17:19:19] [INFO ] [Nat]Absence check using state equation in 1177 ms returned sat
[2026-05-23 17:19:19] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 125 ms.
[2026-05-23 17:19:23] [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 5
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 17:19:23] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 42 ms returned sat
[2026-05-23 17:19:24] [INFO ] [Real]Absence check using state equation in 1029 ms returned sat
[2026-05-23 17:19:24] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 116 ms.
[2026-05-23 17:19:25] [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 17:19:25] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 44 ms returned sat
[2026-05-23 17:19:26] [INFO ] [Nat]Absence check using state equation in 959 ms returned sat
[2026-05-23 17:19:27] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 114 ms.
[2026-05-23 17:19:30] [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 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 17:19:30] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 40 ms returned sat
[2026-05-23 17:19:31] [INFO ] [Real]Absence check using state equation in 1013 ms returned sat
[2026-05-23 17:19:32] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 115 ms.
[2026-05-23 17:19:33] [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 17:19:33] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 43 ms returned sat
[2026-05-23 17:19:34] [INFO ] [Nat]Absence check using state equation in 1039 ms returned sat
[2026-05-23 17:19:34] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 118 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 17:19:38] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 41 ms returned sat
[2026-05-23 17:19:39] [INFO ] [Real]Absence check using state equation in 1108 ms returned sat
[2026-05-23 17:19:39] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 116 ms.
[2026-05-23 17:19:40] [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 17:19:41] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 44 ms returned sat
[2026-05-23 17:19:42] [INFO ] [Nat]Absence check using state equation in 1119 ms returned sat
[2026-05-23 17:19:42] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 113 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 17:19:46] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 51 ms returned sat
[2026-05-23 17:19:47] [INFO ] [Real]Absence check using state equation in 998 ms returned sat
[2026-05-23 17:19:47] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 119 ms.
[2026-05-23 17:19:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:19:48] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 43 ms returned sat
[2026-05-23 17:19:49] [INFO ] [Nat]Absence check using state equation in 1022 ms returned sat
[2026-05-23 17:19:49] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 117 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] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
Support contains 10 out of 2585 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2585/2585 places, 3095/3095 transitions.
Graph (trivial) has 2932 edges and 2585 vertex of which 833 / 2585 are part of one of the 62 SCC in 10 ms
Free SCC test removed 771 places
Drop transitions (Empty/Sink Transition effects.) removed 939 transitions
Reduce isomorphic transitions removed 939 transitions.
Graph (complete) has 2436 edges and 1814 vertex of which 1800 are kept as prefixes of interest. Removing 14 places using SCC suffix rule.4 ms
Discarding 14 places :
Also discarding 9 output transitions
Drop transitions (Output transitions of discarded places.) removed 9 transitions
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1201 transitions
Trivial Post-agglo rules discarded 1201 transitions
Performed 1201 trivial Post agglomeration. Transition count delta: 1201
Iterating post reduction 0 with 1210 rules applied. Total rules applied 1212 place count 1800 transition count 937
Reduce places removed 1201 places and 0 transitions.
Ensure Unique test removed 75 transitions
Reduce isomorphic transitions removed 75 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 60 transitions
Trivial Post-agglo rules discarded 60 transitions
Performed 60 trivial Post agglomeration. Transition count delta: 60
Iterating post reduction 1 with 1336 rules applied. Total rules applied 2548 place count 599 transition count 802
Reduce places removed 60 places and 0 transitions.
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 2 with 69 rules applied. Total rules applied 2617 place count 539 transition count 793
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 3 with 8 rules applied. Total rules applied 2625 place count 536 transition count 788
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 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 4 with 7 rules applied. Total rules applied 2632 place count 533 transition count 784
Reduce places removed 2 places and 0 transitions.
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Iterating post reduction 5 with 12 rules applied. Total rules applied 2644 place count 531 transition count 774
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 6 with 10 rules applied. Total rules applied 2654 place count 521 transition count 774
Performed 25 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 25 Pre rules applied. Total rules applied 2654 place count 521 transition count 749
Deduced a syphon composed of 25 places in 1 ms
Reduce places removed 25 places and 0 transitions.
Iterating global reduction 7 with 50 rules applied. Total rules applied 2704 place count 496 transition count 749
Discarding 79 places :
Symmetric choice reduction at 7 with 79 rule applications. Total rules 2783 place count 417 transition count 670
Iterating global reduction 7 with 79 rules applied. Total rules applied 2862 place count 417 transition count 670
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 9 Pre rules applied. Total rules applied 2862 place count 417 transition count 661
Deduced a syphon composed of 9 places in 1 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 7 with 18 rules applied. Total rules applied 2880 place count 408 transition count 661
Discarding 60 places :
Symmetric choice reduction at 7 with 60 rule applications. Total rules 2940 place count 348 transition count 601
Iterating global reduction 7 with 60 rules applied. Total rules applied 3000 place count 348 transition count 601
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 18 transitions
Trivial Post-agglo rules discarded 18 transitions
Performed 18 trivial Post agglomeration. Transition count delta: 18
Iterating post reduction 7 with 36 rules applied. Total rules applied 3036 place count 348 transition count 565
Reduce places removed 18 places and 0 transitions.
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 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 8 with 30 rules applied. Total rules applied 3066 place count 330 transition count 553
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 9 with 6 rules applied. Total rules applied 3072 place count 324 transition count 553
Discarding 21 places :
Symmetric choice reduction at 10 with 21 rule applications. Total rules 3093 place count 303 transition count 520
Iterating global reduction 10 with 21 rules applied. Total rules applied 3114 place count 303 transition count 520
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 10 with 9 rules applied. Total rules applied 3123 place count 303 transition count 511
Discarding 9 places :
Symmetric choice reduction at 11 with 9 rule applications. Total rules 3132 place count 294 transition count 493
Iterating global reduction 11 with 9 rules applied. Total rules applied 3141 place count 294 transition count 493
Discarding 3 places :
Symmetric choice reduction at 11 with 3 rule applications. Total rules 3144 place count 291 transition count 487
Iterating global reduction 11 with 3 rules applied. Total rules applied 3147 place count 291 transition count 487
Performed 149 Post agglomeration using F-continuation condition with reduction of 72 identical transitions.
Deduced a syphon composed of 149 places in 0 ms
Reduce places removed 149 places and 0 transitions.
Iterating global reduction 11 with 298 rules applied. Total rules applied 3445 place count 142 transition count 266
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 11 with 7 rules applied. Total rules applied 3452 place count 142 transition count 259
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 12 with 6 rules applied. Total rules applied 3458 place count 139 transition count 256
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 12 with 4 rules applied. Total rules applied 3462 place count 139 transition count 252
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 13 with 4 rules applied. Total rules applied 3466 place count 137 transition count 250
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 13 with 4 rules applied. Total rules applied 3470 place count 137 transition count 246
Performed 41 Post agglomeration using F-continuation condition with reduction of 20 identical transitions.
Deduced a syphon composed of 41 places in 1 ms
Reduce places removed 41 places and 0 transitions.
Iterating global reduction 14 with 82 rules applied. Total rules applied 3552 place count 96 transition count 279
Ensure Unique test removed 37 transitions
Reduce isomorphic transitions removed 37 transitions.
Iterating post reduction 14 with 37 rules applied. Total rules applied 3589 place count 96 transition count 242
Discarding 20 places :
Symmetric choice reduction at 15 with 20 rule applications. Total rules 3609 place count 76 transition count 202
Iterating global reduction 15 with 20 rules applied. Total rules applied 3629 place count 76 transition count 202
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 15 with 9 rules applied. Total rules applied 3638 place count 76 transition count 193
Discarding 6 places :
Symmetric choice reduction at 16 with 6 rule applications. Total rules 3644 place count 70 transition count 181
Iterating global reduction 16 with 6 rules applied. Total rules applied 3650 place count 70 transition count 181
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 16 with 4 rules applied. Total rules applied 3654 place count 70 transition count 177
Drop transitions (Redundant composition of simpler transitions.) removed 9 transitions
Redundant transition composition rules discarded 9 transitions
Iterating global reduction 17 with 9 rules applied. Total rules applied 3663 place count 70 transition count 168
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 17 with 2 rules applied. Total rules applied 3665 place count 69 transition count 167
Free-agglomeration rule applied 6 times.
Iterating global reduction 17 with 6 rules applied. Total rules applied 3671 place count 69 transition count 161
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 17 with 8 rules applied. Total rules applied 3679 place count 63 transition count 159
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 18 with 2 rules applied. Total rules applied 3681 place count 63 transition count 157
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 18 with 2 rules applied. Total rules applied 3683 place count 63 transition count 157
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 18 with 1 rules applied. Total rules applied 3684 place count 63 transition count 156
Discarding 1 places :
Symmetric choice reduction at 18 with 1 rule applications. Total rules 3685 place count 62 transition count 155
Iterating global reduction 18 with 1 rules applied. Total rules applied 3686 place count 62 transition count 155
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 18 with 1 rules applied. Total rules applied 3687 place count 61 transition count 154
Applied a total of 3687 rules in 272 ms. Remains 61 /2585 variables (removed 2524) and now considering 154/3095 (removed 2941) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 279 ms. Remains : 61/2585 places, 154/3095 transitions.
[2026-05-23 17:19:53] [INFO ] Flow matrix only has 143 transitions (discarded 11 similar events)
// Phase 1: matrix 143 rows 61 cols
[2026-05-23 17:19:53] [INFO ] Computed 4 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
RANDOM walk for 1000000 steps (13727 resets) in 1035 ms. (965 steps per ms)
FORMULA CloudReconfiguration-PT-314-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-314-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-314-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-314-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-314-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-314-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-314-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-314-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-314-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-314-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000000 steps (4422 resets) in 391 ms. (2551 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 17:19:55] [INFO ] Flatten gal took : 55 ms
[2026-05-23 17:19:55] [INFO ] Flatten gal took : 13 ms
[2026-05-23 17:19:55] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5650447076751373161.gal : 8 ms
[2026-05-23 17:19:55] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17230050236546724465.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/ReachabilityCardinality5650447076751373161.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17230050236546724465.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 79044 ms.

BK_STOP 1779556795389

--------------------
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="CloudReconfiguration-PT-314"
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-314, 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-177946972200028"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-314.tgz
mv CloudReconfiguration-PT-314 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 ;