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.r066-tall-177946967500125.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 itstools
Input is CloudReconfiguration-PT-302, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r066-tall-177946967500125
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 7.2K Mar 6 08:53 CTLCardinality.txt
-rw-r--r-- 1 mcc users 72K Mar 6 08:53 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Mar 6 08:53 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K 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 4.0K Mar 15 08:21 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 08:21 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 15 08:21 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 08:21 LTLFireability.xml
-rw-r--r-- 1 mcc users 18K Mar 6 08:53 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 189K Mar 6 08:53 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.0K Mar 6 08:53 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 74K Mar 6 08:53 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 08:21 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:21 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-302-UpperBounds-00
FORMULA_NAME CloudReconfiguration-PT-302-UpperBounds-01
FORMULA_NAME CloudReconfiguration-PT-302-UpperBounds-02
FORMULA_NAME CloudReconfiguration-PT-302-UpperBounds-03
FORMULA_NAME CloudReconfiguration-PT-302-UpperBounds-04
FORMULA_NAME CloudReconfiguration-PT-302-UpperBounds-05
FORMULA_NAME CloudReconfiguration-PT-302-UpperBounds-06
FORMULA_NAME CloudReconfiguration-PT-302-UpperBounds-07
FORMULA_NAME CloudReconfiguration-PT-302-UpperBounds-08
FORMULA_NAME CloudReconfiguration-PT-302-UpperBounds-09
FORMULA_NAME CloudReconfiguration-PT-302-UpperBounds-10
FORMULA_NAME CloudReconfiguration-PT-302-UpperBounds-11
FORMULA_NAME CloudReconfiguration-PT-302-UpperBounds-12
FORMULA_NAME CloudReconfiguration-PT-302-UpperBounds-13
FORMULA_NAME CloudReconfiguration-PT-302-UpperBounds-14
FORMULA_NAME CloudReconfiguration-PT-302-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779499139810

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CloudReconfiguration-PT-302
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-23 01:19:01] [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 01:19:01] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 01:19:01] [INFO ] Load time of PNML (sax parser for PT used): 147 ms
[2026-05-23 01:19:01] [INFO ] Transformed 2585 places.
[2026-05-23 01:19:01] [INFO ] Transformed 3095 transitions.
[2026-05-23 01:19:01] [INFO ] Found NUPN structural information;
[2026-05-23 01:19:01] [INFO ] Parsed PT model containing 2585 places and 3095 transitions and 6463 arcs in 254 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
Current structural bounds on expressions (Initiallly, because the net is safe) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9745006601483962019.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11878250676143939473.kers'
[2026-05-23 01:19:01] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9745006601483962019.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11878250676143939473.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 3095 rows 2585 cols 6463 entries
Finished phase 1 with 2580 SingleSign rule and 1 generalized
[2026-05-23 01:19:01] [INFO ] Computed 4 invariants in 18 ms
Computed 4 P flows in 19 ms.
Exported basis to /tmp/petrispot-output-11878250676143939473.kers
Total runtime 21 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 (74 resets) in 57 ms. (172 steps per ms)
FORMULA CloudReconfiguration-PT-302-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-302-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-302-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-302-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-302-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 110004 steps (215 resets) in 147 ms. (743 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2026-05-23 01:19:01] [INFO ] Invariant cache hit.
[2026-05-23 01:19:02] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 55 ms returned sat
[2026-05-23 01:19:03] [INFO ] [Real]Absence check using state equation in 1114 ms returned sat
[2026-05-23 01:19:04] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 206 ms.
[2026-05-23 01:19:05] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 01:19:05] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 54 ms returned sat
[2026-05-23 01:19:06] [INFO ] [Nat]Absence check using state equation in 1033 ms returned sat
[2026-05-23 01:19:07] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 171 ms.
Maximisation of solution failed !
Minimization took 3 ms.
[2026-05-23 01:19:10] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 49 ms returned sat
[2026-05-23 01:19:11] [INFO ] [Real]Absence check using state equation in 1066 ms returned sat
[2026-05-23 01:19:12] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 150 ms.
[2026-05-23 01:19:12] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 01:19:13] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 51 ms returned sat
[2026-05-23 01:19:14] [INFO ] [Nat]Absence check using state equation in 1032 ms returned sat
[2026-05-23 01:19:14] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 163 ms.
Maximisation of solution failed !
Minimization took 1 ms.
[2026-05-23 01:19:18] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 47 ms returned sat
[2026-05-23 01:19:19] [INFO ] [Real]Absence check using state equation in 1033 ms returned sat
[2026-05-23 01:19:19] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 146 ms.
[2026-05-23 01:19:20] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 01:19:21] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 48 ms returned sat
[2026-05-23 01:19:22] [INFO ] [Nat]Absence check using state equation in 985 ms returned sat
[2026-05-23 01:19:22] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 126 ms.
[2026-05-23 01:19:25] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")... while checking expression at index 2
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:308)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1143)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:881)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2280)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:207)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:803)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
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:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
[2026-05-23 01:19:26] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 50 ms returned sat
[2026-05-23 01:19:27] [INFO ] [Real]Absence check using state equation in 1254 ms returned sat
[2026-05-23 01:19:27] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 116 ms.
[2026-05-23 01:19:28] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 01:19:28] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 49 ms returned sat
[2026-05-23 01:19:30] [INFO ] [Nat]Absence check using state equation in 1203 ms returned sat
[2026-05-23 01:19:30] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 154 ms.
Maximisation of solution failed !
Minimization took 0 ms.
[2026-05-23 01:19:33] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 48 ms returned sat
[2026-05-23 01:19:34] [INFO ] [Real]Absence check using state equation in 1036 ms returned sat
[2026-05-23 01:19:35] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 138 ms.
[2026-05-23 01:19:36] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 01:19:36] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 49 ms returned sat
[2026-05-23 01:19:37] [INFO ] [Nat]Absence check using state equation in 1028 ms returned sat
[2026-05-23 01:19:37] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 118 ms.
Maximisation of solution failed !
Minimization took 1 ms.
[2026-05-23 01:19:41] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 49 ms returned sat
[2026-05-23 01:19:42] [INFO ] [Real]Absence check using state equation in 1033 ms returned sat
[2026-05-23 01:19:42] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 134 ms.
[2026-05-23 01:19:44] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 01:19:45] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 53 ms returned sat
[2026-05-23 01:19:46] [INFO ] [Nat]Absence check using state equation in 1040 ms returned sat
[2026-05-23 01:19:46] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 127 ms.
[2026-05-23 01:19:49] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 5
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:308)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1143)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:881)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2280)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:207)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:803)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
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:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
[2026-05-23 01:19:50] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 48 ms returned sat
[2026-05-23 01:19:51] [INFO ] [Real]Absence check using state equation in 1031 ms returned sat
[2026-05-23 01:19:51] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 01:19:51] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 51 ms returned sat
[2026-05-23 01:19:52] [INFO ] [Nat]Absence check using state equation in 1071 ms returned sat
[2026-05-23 01:19:53] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 132 ms.
Maximisation of solution failed !
Minimization took 0 ms.
[2026-05-23 01:19:56] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 57 ms returned sat
[2026-05-23 01:19:57] [INFO ] [Real]Absence check using state equation in 1075 ms returned sat
[2026-05-23 01:19:58] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 121 ms.
[2026-05-23 01:19:59] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 01:19:59] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 54 ms returned sat
[2026-05-23 01:20:00] [INFO ] [Nat]Absence check using state equation in 1063 ms returned sat
[2026-05-23 01:20:00] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 121 ms.
[2026-05-23 01:20:04] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 7
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:308)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1143)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:881)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2280)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:207)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:803)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
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:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
[2026-05-23 01:20:04] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 49 ms returned sat
[2026-05-23 01:20:05] [INFO ] [Real]Absence check using state equation in 1193 ms returned sat
[2026-05-23 01:20:06] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 111 ms.
[2026-05-23 01:20:06] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 01:20:07] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 50 ms returned sat
[2026-05-23 01:20:08] [INFO ] [Nat]Absence check using state equation in 1334 ms returned sat
[2026-05-23 01:20:08] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 123 ms.
Maximisation of solution failed !
Minimization took 1 ms.
[2026-05-23 01:20:12] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 48 ms returned sat
[2026-05-23 01:20:13] [INFO ] [Real]Absence check using state equation in 998 ms returned sat
[2026-05-23 01:20:13] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 143 ms.
[2026-05-23 01:20:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 01:20:14] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 51 ms returned sat
[2026-05-23 01:20:15] [INFO ] [Nat]Absence check using state equation in 1047 ms returned sat
[2026-05-23 01:20:16] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 133 ms.
Maximisation of solution failed !
Minimization took 1 ms.
[2026-05-23 01:20:19] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 48 ms returned sat
[2026-05-23 01:20:20] [INFO ] [Real]Absence check using state equation in 1000 ms returned sat
[2026-05-23 01:20:21] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 149 ms.
[2026-05-23 01:20:21] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 01:20:22] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 50 ms returned sat
[2026-05-23 01:20:23] [INFO ] [Nat]Absence check using state equation in 999 ms returned sat
[2026-05-23 01:20:23] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 129 ms.
[2026-05-23 01:20:26] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 10
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:308)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1143)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:881)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2280)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:207)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:803)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
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:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 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, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
Support contains 11 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 858 / 2585 are part of one of the 63 SCC in 21 ms
Free SCC test removed 795 places
Drop transitions (Empty/Sink Transition effects.) removed 968 transitions
Reduce isomorphic transitions removed 968 transitions.
Graph (complete) has 2407 edges and 1790 vertex of which 1776 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 1188 transitions
Trivial Post-agglo rules discarded 1188 transitions
Performed 1188 trivial Post agglomeration. Transition count delta: 1188
Iterating post reduction 0 with 1197 rules applied. Total rules applied 1199 place count 1776 transition count 921
Reduce places removed 1188 places and 0 transitions.
Ensure Unique test removed 76 transitions
Reduce isomorphic transitions removed 76 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 1324 rules applied. Total rules applied 2523 place count 588 transition count 785
Reduce places removed 60 places and 0 transitions.
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 2 with 71 rules applied. Total rules applied 2594 place count 528 transition count 774
Reduce places removed 4 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 3 with 8 rules applied. Total rules applied 2602 place count 524 transition count 770
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 2606 place count 522 transition count 768
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 2616 place count 521 transition count 759
Reduce places removed 9 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 6 with 13 rules applied. Total rules applied 2629 place count 512 transition count 755
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 7 with 2 rules applied. Total rules applied 2631 place count 510 transition count 755
Performed 24 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 8 with 24 Pre rules applied. Total rules applied 2631 place count 510 transition count 731
Deduced a syphon composed of 24 places in 0 ms
Reduce places removed 24 places and 0 transitions.
Iterating global reduction 8 with 48 rules applied. Total rules applied 2679 place count 486 transition count 731
Discarding 79 places :
Symmetric choice reduction at 8 with 79 rule applications. Total rules 2758 place count 407 transition count 652
Iterating global reduction 8 with 79 rules applied. Total rules applied 2837 place count 407 transition count 652
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 8 with 8 Pre rules applied. Total rules applied 2837 place count 407 transition count 644
Deduced a syphon composed of 8 places in 2 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 8 with 16 rules applied. Total rules applied 2853 place count 399 transition count 644
Discarding 58 places :
Symmetric choice reduction at 8 with 58 rule applications. Total rules 2911 place count 341 transition count 586
Iterating global reduction 8 with 58 rules applied. Total rules applied 2969 place count 341 transition count 586
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 16 transitions
Trivial Post-agglo rules discarded 16 transitions
Performed 16 trivial Post agglomeration. Transition count delta: 16
Iterating post reduction 8 with 32 rules applied. Total rules applied 3001 place count 341 transition count 554
Reduce places removed 16 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 9 with 28 rules applied. Total rules applied 3029 place count 325 transition count 542
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 10 with 6 rules applied. Total rules applied 3035 place count 319 transition count 542
Discarding 19 places :
Symmetric choice reduction at 11 with 19 rule applications. Total rules 3054 place count 300 transition count 513
Iterating global reduction 11 with 19 rules applied. Total rules applied 3073 place count 300 transition count 513
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 11 with 9 rules applied. Total rules applied 3082 place count 300 transition count 504
Discarding 7 places :
Symmetric choice reduction at 12 with 7 rule applications. Total rules 3089 place count 293 transition count 490
Iterating global reduction 12 with 7 rules applied. Total rules applied 3096 place count 293 transition count 490
Discarding 3 places :
Symmetric choice reduction at 12 with 3 rule applications. Total rules 3099 place count 290 transition count 484
Iterating global reduction 12 with 3 rules applied. Total rules applied 3102 place count 290 transition count 484
Performed 153 Post agglomeration using F-continuation condition with reduction of 81 identical transitions.
Deduced a syphon composed of 153 places in 1 ms
Reduce places removed 153 places and 0 transitions.
Iterating global reduction 12 with 306 rules applied. Total rules applied 3408 place count 137 transition count 250
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 12 with 3 rules applied. Total rules applied 3411 place count 137 transition count 247
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 13 with 6 rules applied. Total rules applied 3417 place count 134 transition count 244
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 13 with 6 rules applied. Total rules applied 3423 place count 134 transition count 238
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 14 with 6 rules applied. Total rules applied 3429 place count 131 transition count 235
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 14 with 6 rules applied. Total rules applied 3435 place count 131 transition count 229
Performed 34 Post agglomeration using F-continuation condition with reduction of 15 identical transitions.
Deduced a syphon composed of 34 places in 1 ms
Reduce places removed 34 places and 0 transitions.
Iterating global reduction 15 with 68 rules applied. Total rules applied 3503 place count 97 transition count 264
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Ensure Unique test removed 24 transitions
Reduce isomorphic transitions removed 35 transitions.
Iterating post reduction 15 with 35 rules applied. Total rules applied 3538 place count 97 transition count 229
Discarding 21 places :
Symmetric choice reduction at 16 with 21 rule applications. Total rules 3559 place count 76 transition count 195
Iterating global reduction 16 with 21 rules applied. Total rules applied 3580 place count 76 transition count 195
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 16 with 12 rules applied. Total rules applied 3592 place count 76 transition count 183
Discarding 5 places :
Symmetric choice reduction at 17 with 5 rule applications. Total rules 3597 place count 71 transition count 173
Iterating global reduction 17 with 5 rules applied. Total rules applied 3602 place count 71 transition count 173
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 17 with 5 rules applied. Total rules applied 3607 place count 71 transition count 168
Drop transitions (Redundant composition of simpler transitions.) removed 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 18 with 16 rules applied. Total rules applied 3623 place count 71 transition count 152
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 18 with 2 rules applied. Total rules applied 3625 place count 70 transition count 151
Free-agglomeration rule applied 4 times.
Iterating global reduction 18 with 4 rules applied. Total rules applied 3629 place count 70 transition count 147
Reduce places removed 4 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 18 with 6 rules applied. Total rules applied 3635 place count 66 transition count 145
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 19 with 1 rules applied. Total rules applied 3636 place count 66 transition count 144
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 19 with 2 rules applied. Total rules applied 3638 place count 66 transition count 144
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 19 with 1 rules applied. Total rules applied 3639 place count 66 transition count 144
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 19 with 1 rules applied. Total rules applied 3640 place count 66 transition count 143
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 20 with 1 rules applied. Total rules applied 3641 place count 65 transition count 142
Applied a total of 3641 rules in 291 ms. Remains 65 /2585 variables (removed 2520) and now considering 142/3095 (removed 2953) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 298 ms. Remains : 65/2585 places, 142/3095 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4292738009001993344.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9318132935736255609.kers'
[2026-05-23 01:20:27] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4292738009001993344.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9318132935736255609.kers]
Normalized transition count is 134 out of 142 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 134 rows 65 cols 408 entries
Finished phase 1 with 61 SingleSign rule and 0 generalized
[2026-05-23 01:20:27] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-9318132935736255609.kers
Total runtime 0 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
RANDOM walk for 1000000 steps (11841 resets) in 1003 ms. (996 steps per ms)
FORMULA CloudReconfiguration-PT-302-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-302-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-302-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-302-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-302-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-302-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-302-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-302-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-302-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-302-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-302-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000001 steps (2 resets) in 324 ms. (3076 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 87598 ms.

BK_STOP 1779499228662

--------------------
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_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /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-302"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="itstools"
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 itstools"
echo " Input is CloudReconfiguration-PT-302, 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 r066-tall-177946967500125"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-302.tgz
mv CloudReconfiguration-PT-302 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 ;