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-177946967500157.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 itstools
Input is CloudReconfiguration-PT-306, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r066-tall-177946967500157
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 8.3K Mar 6 08:53 CTLCardinality.txt
-rw-r--r-- 1 mcc users 90K Mar 6 08:53 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K Mar 6 08:53 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K 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 08:23 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 08:23 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 15 08:23 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 08:23 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.6K Mar 6 08:53 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 95K Mar 6 08:53 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.3K Mar 6 08:53 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 57K Mar 6 08:53 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 08:23 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:23 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-306-UpperBounds-00
FORMULA_NAME CloudReconfiguration-PT-306-UpperBounds-01
FORMULA_NAME CloudReconfiguration-PT-306-UpperBounds-02
FORMULA_NAME CloudReconfiguration-PT-306-UpperBounds-03
FORMULA_NAME CloudReconfiguration-PT-306-UpperBounds-04
FORMULA_NAME CloudReconfiguration-PT-306-UpperBounds-05
FORMULA_NAME CloudReconfiguration-PT-306-UpperBounds-06
FORMULA_NAME CloudReconfiguration-PT-306-UpperBounds-07
FORMULA_NAME CloudReconfiguration-PT-306-UpperBounds-08
FORMULA_NAME CloudReconfiguration-PT-306-UpperBounds-09
FORMULA_NAME CloudReconfiguration-PT-306-UpperBounds-10
FORMULA_NAME CloudReconfiguration-PT-306-UpperBounds-11
FORMULA_NAME CloudReconfiguration-PT-306-UpperBounds-12
FORMULA_NAME CloudReconfiguration-PT-306-UpperBounds-13
FORMULA_NAME CloudReconfiguration-PT-306-UpperBounds-14
FORMULA_NAME CloudReconfiguration-PT-306-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779502631232

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-306
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-23 02:17:12] [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 02:17:12] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 02:17:12] [INFO ] Load time of PNML (sax parser for PT used): 139 ms
[2026-05-23 02:17:12] [INFO ] Transformed 2584 places.
[2026-05-23 02:17:12] [INFO ] Transformed 3094 transitions.
[2026-05-23 02:17:12] [INFO ] Found NUPN structural information;
[2026-05-23 02:17:12] [INFO ] Parsed PT model containing 2584 places and 3094 transitions and 6459 arcs in 242 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-6752252203332078684.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7577626567299792791.kers'
[2026-05-23 02:17:12] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6752252203332078684.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7577626567299792791.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 3094 rows 2584 cols 6459 entries
Finished phase 1 with 2579 SingleSign rule and 1 generalized
[2026-05-23 02:17:12] [INFO ] Computed 4 invariants in 16 ms
Computed 4 P flows in 17 ms.
Exported basis to /tmp/petrispot-output-7577626567299792791.kers
Total runtime 19 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 (108 resets) in 48 ms. (204 steps per ms)
FORMULA CloudReconfiguration-PT-306-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-306-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-306-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-306-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-306-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 110008 steps (405 resets) in 149 ms. (733 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 02:17:13] [INFO ] Invariant cache hit.
[2026-05-23 02:17:13] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 57 ms returned sat
[2026-05-23 02:17:14] [INFO ] [Real]Absence check using state equation in 1260 ms returned sat
[2026-05-23 02:17:15] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 145 ms.
[2026-05-23 02:17:16] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 02:17:16] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 55 ms returned sat
[2026-05-23 02:17:18] [INFO ] [Nat]Absence check using state equation in 1257 ms returned sat
[2026-05-23 02:17:18] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 154 ms.
[2026-05-23 02:17:21] [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 0
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 02:17:21] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 50 ms returned sat
[2026-05-23 02:17:23] [INFO ] [Real]Absence check using state equation in 1307 ms returned sat
[2026-05-23 02:17:23] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 154 ms.
[2026-05-23 02:17:24] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 02:17:24] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 53 ms returned sat
[2026-05-23 02:17:26] [INFO ] [Nat]Absence check using state equation in 1287 ms returned sat
[2026-05-23 02:17:26] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 162 ms.
Maximisation of solution failed !
Minimization took 1 ms.
[2026-05-23 02:17:29] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 52 ms returned sat
[2026-05-23 02:17:31] [INFO ] [Real]Absence check using state equation in 1256 ms returned sat
[2026-05-23 02:17:31] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 143 ms.
[2026-05-23 02:17:32] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 02:17:32] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 52 ms returned sat
[2026-05-23 02:17:33] [INFO ] [Nat]Absence check using state equation in 1253 ms returned sat
[2026-05-23 02:17:34] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 139 ms.
Maximisation of solution failed !
Minimization took 1 ms.
[2026-05-23 02:17:37] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 54 ms returned sat
[2026-05-23 02:17:38] [INFO ] [Real]Absence check using state equation in 1210 ms returned sat
[2026-05-23 02:17:39] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 133 ms.
[2026-05-23 02:17:40] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 02:17:40] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 52 ms returned sat
[2026-05-23 02:17:41] [INFO ] [Nat]Absence check using state equation in 1256 ms returned sat
[2026-05-23 02:17:42] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 139 ms.
Maximisation of solution failed !
Minimization took 1 ms.
[2026-05-23 02:17:45] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 51 ms returned sat
[2026-05-23 02:17:46] [INFO ] [Real]Absence check using state equation in 1174 ms returned sat
[2026-05-23 02:17:47] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 117 ms.
[2026-05-23 02:17:47] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 02:17:48] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 53 ms returned sat
[2026-05-23 02:17:49] [INFO ] [Nat]Absence check using state equation in 1247 ms returned sat
[2026-05-23 02:17:49] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 121 ms.
Maximisation of solution failed !
Minimization took 0 ms.
[2026-05-23 02:17:53] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 51 ms returned sat
[2026-05-23 02:17:54] [INFO ] [Real]Absence check using state equation in 979 ms returned sat
[2026-05-23 02:17:54] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 116 ms.
[2026-05-23 02:17:55] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 02:17:55] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 49 ms returned sat
[2026-05-23 02:17:57] [INFO ] [Nat]Absence check using state equation in 1036 ms returned sat
[2026-05-23 02:17:57] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 131 ms.
Maximisation of solution failed !
Minimization took 0 ms.
[2026-05-23 02:18:01] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 51 ms returned sat
[2026-05-23 02:18:02] [INFO ] [Real]Absence check using state equation in 1045 ms returned sat
[2026-05-23 02:18:02] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 132 ms.
[2026-05-23 02:18:03] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 02:18:03] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 52 ms returned sat
[2026-05-23 02:18:04] [INFO ] [Nat]Absence check using state equation in 993 ms returned sat
[2026-05-23 02:18:04] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 122 ms.
[2026-05-23 02:18:08] [INFO ] Added : 140 causal constraints over 28 iterations in 3550 ms. Result :unknown
[2026-05-23 02:18:08] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 65 ms returned sat
[2026-05-23 02:18:09] [INFO ] [Real]Absence check using state equation in 987 ms returned sat
[2026-05-23 02:18:09] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 113 ms.
[2026-05-23 02:18:10] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 02:18:11] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 53 ms returned sat
[2026-05-23 02:18:12] [INFO ] [Nat]Absence check using state equation in 1145 ms returned sat
[2026-05-23 02:18:12] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 124 ms.
Maximisation of solution failed !
Minimization took 1 ms.
[2026-05-23 02:18:16] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 49 ms returned sat
[2026-05-23 02:18:17] [INFO ] [Real]Absence check using state equation in 1253 ms returned sat
[2026-05-23 02:18:17] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 144 ms.
[2026-05-23 02:18:18] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 02:18:19] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 53 ms returned sat
[2026-05-23 02:18:20] [INFO ] [Nat]Absence check using state equation in 1314 ms returned sat
[2026-05-23 02:18:20] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 134 ms.
Maximisation of solution failed !
Minimization took 1 ms.
[2026-05-23 02:18:24] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 49 ms returned sat
[2026-05-23 02:18:25] [INFO ] [Real]Absence check using state equation in 1049 ms returned sat
[2026-05-23 02:18:25] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 132 ms.
[2026-05-23 02:18:26] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 02:18:26] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 51 ms returned sat
[2026-05-23 02:18:28] [INFO ] [Nat]Absence check using state equation in 1089 ms returned sat
[2026-05-23 02:18:28] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 144 ms.
[2026-05-23 02:18:31] [INFO ] Added : 130 causal constraints over 26 iterations in 3370 ms. Result :unknown
[2026-05-23 02:18:31] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 52 ms returned sat
[2026-05-23 02:18:33] [INFO ] [Real]Absence check using state equation in 1104 ms returned sat
[2026-05-23 02:18:33] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 138 ms.
[2026-05-23 02:18:34] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 02:18:34] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 53 ms returned sat
[2026-05-23 02:18:35] [INFO ] [Nat]Absence check using state equation in 1104 ms returned sat
[2026-05-23 02:18:35] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 125 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] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
FORMULA CloudReconfiguration-PT-306-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0, 0, 0, 1, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
FORMULA CloudReconfiguration-PT-306-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL PARIKH_GUIDED_WALK
Support contains 9 out of 2584 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2584/2584 places, 3094/3094 transitions.
Graph (trivial) has 2936 edges and 2584 vertex of which 844 / 2584 are part of one of the 61 SCC in 15 ms
Free SCC test removed 783 places
Drop transitions (Empty/Sink Transition effects.) removed 956 transitions
Reduce isomorphic transitions removed 956 transitions.
Graph (complete) has 2416 edges and 1801 vertex of which 1787 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 1204 transitions
Trivial Post-agglo rules discarded 1204 transitions
Performed 1204 trivial Post agglomeration. Transition count delta: 1204
Iterating post reduction 0 with 1213 rules applied. Total rules applied 1215 place count 1787 transition count 916
Reduce places removed 1204 places and 0 transitions.
Ensure Unique test removed 79 transitions
Reduce isomorphic transitions removed 79 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 65 transitions
Trivial Post-agglo rules discarded 65 transitions
Performed 65 trivial Post agglomeration. Transition count delta: 65
Iterating post reduction 1 with 1348 rules applied. Total rules applied 2563 place count 583 transition count 772
Reduce places removed 65 places and 0 transitions.
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 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 72 rules applied. Total rules applied 2635 place count 518 transition count 765
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 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 3 with 8 rules applied. Total rules applied 2643 place count 516 transition count 759
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 4 with 8 rules applied. Total rules applied 2651 place count 512 transition count 755
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 2663 place count 510 transition count 745
Reduce places removed 10 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 6 with 12 rules applied. Total rules applied 2675 place count 500 transition count 743
Performed 22 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 22 Pre rules applied. Total rules applied 2675 place count 500 transition count 721
Deduced a syphon composed of 22 places in 2 ms
Reduce places removed 22 places and 0 transitions.
Iterating global reduction 7 with 44 rules applied. Total rules applied 2719 place count 478 transition count 721
Discarding 77 places :
Symmetric choice reduction at 7 with 77 rule applications. Total rules 2796 place count 401 transition count 644
Iterating global reduction 7 with 77 rules applied. Total rules applied 2873 place count 401 transition count 644
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 7 Pre rules applied. Total rules applied 2873 place count 401 transition count 637
Deduced a syphon composed of 7 places in 2 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 7 with 14 rules applied. Total rules applied 2887 place count 394 transition count 637
Discarding 58 places :
Symmetric choice reduction at 7 with 58 rule applications. Total rules 2945 place count 336 transition count 579
Iterating global reduction 7 with 58 rules applied. Total rules applied 3003 place count 336 transition count 579
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 17 transitions
Trivial Post-agglo rules discarded 17 transitions
Performed 17 trivial Post agglomeration. Transition count delta: 17
Iterating post reduction 7 with 34 rules applied. Total rules applied 3037 place count 336 transition count 545
Reduce places removed 17 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 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 8 with 25 rules applied. Total rules applied 3062 place count 319 transition count 537
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 9 with 4 rules applied. Total rules applied 3066 place count 315 transition count 537
Discarding 19 places :
Symmetric choice reduction at 10 with 19 rule applications. Total rules 3085 place count 296 transition count 507
Iterating global reduction 10 with 19 rules applied. Total rules applied 3104 place count 296 transition count 507
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 10 with 8 rules applied. Total rules applied 3112 place count 296 transition count 499
Discarding 8 places :
Symmetric choice reduction at 11 with 8 rule applications. Total rules 3120 place count 288 transition count 483
Iterating global reduction 11 with 8 rules applied. Total rules applied 3128 place count 288 transition count 483
Discarding 3 places :
Symmetric choice reduction at 11 with 3 rule applications. Total rules 3131 place count 285 transition count 477
Iterating global reduction 11 with 3 rules applied. Total rules applied 3134 place count 285 transition count 477
Performed 155 Post agglomeration using F-continuation condition with reduction of 82 identical transitions.
Deduced a syphon composed of 155 places in 0 ms
Reduce places removed 155 places and 0 transitions.
Iterating global reduction 11 with 310 rules applied. Total rules applied 3444 place count 130 transition count 240
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 11 with 3 rules applied. Total rules applied 3447 place count 130 transition count 237
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 3453 place count 127 transition count 234
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 12 with 6 rules applied. Total rules applied 3459 place count 127 transition count 228
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 3465 place count 124 transition count 225
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 13 with 6 rules applied. Total rules applied 3471 place count 124 transition count 219
Performed 33 Post agglomeration using F-continuation condition with reduction of 10 identical transitions.
Deduced a syphon composed of 33 places in 0 ms
Reduce places removed 33 places and 0 transitions.
Iterating global reduction 14 with 66 rules applied. Total rules applied 3537 place count 91 transition count 242
Drop transitions (Empty/Sink Transition effects.) removed 19 transitions
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 45 transitions.
Iterating post reduction 14 with 45 rules applied. Total rules applied 3582 place count 91 transition count 197
Discarding 23 places :
Symmetric choice reduction at 15 with 23 rule applications. Total rules 3605 place count 68 transition count 167
Iterating global reduction 15 with 23 rules applied. Total rules applied 3628 place count 68 transition count 167
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 15 with 13 rules applied. Total rules applied 3641 place count 68 transition count 154
Discarding 5 places :
Symmetric choice reduction at 16 with 5 rule applications. Total rules 3646 place count 63 transition count 144
Iterating global reduction 16 with 5 rules applied. Total rules applied 3651 place count 63 transition count 144
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 16 with 5 rules applied. Total rules applied 3656 place count 63 transition count 139
Drop transitions (Redundant composition of simpler transitions.) removed 17 transitions
Redundant transition composition rules discarded 17 transitions
Iterating global reduction 17 with 17 rules applied. Total rules applied 3673 place count 63 transition count 122
Discarding 2 places :
Symmetric choice reduction at 17 with 2 rule applications. Total rules 3675 place count 61 transition count 118
Iterating global reduction 17 with 2 rules applied. Total rules applied 3677 place count 61 transition count 118
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 17 with 1 rules applied. Total rules applied 3678 place count 61 transition count 117
Discarding 1 places :
Symmetric choice reduction at 18 with 1 rule applications. Total rules 3679 place count 60 transition count 116
Iterating global reduction 18 with 1 rules applied. Total rules applied 3680 place count 60 transition count 116
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 18 with 1 rules applied. Total rules applied 3681 place count 60 transition count 115
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 3682 place count 60 transition count 114
Free-agglomeration rule applied 3 times.
Iterating global reduction 19 with 3 rules applied. Total rules applied 3685 place count 60 transition count 111
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 19 with 3 rules applied. Total rules applied 3688 place count 57 transition count 111
Partial Free-agglomeration rule applied 3 times.
Drop transitions (Partial Free agglomeration) removed 3 transitions
Iterating global reduction 20 with 3 rules applied. Total rules applied 3691 place count 57 transition count 111
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 3692 place count 57 transition count 110
Discarding 1 places :
Symmetric choice reduction at 20 with 1 rule applications. Total rules 3693 place count 56 transition count 109
Iterating global reduction 20 with 1 rules applied. Total rules applied 3694 place count 56 transition count 109
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 20 with 1 rules applied. Total rules applied 3695 place count 55 transition count 108
Applied a total of 3695 rules in 276 ms. Remains 55 /2584 variables (removed 2529) and now considering 108/3094 (removed 2986) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 283 ms. Remains : 55/2584 places, 108/3094 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10200899096913561958.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3287061816943103329.kers'
[2026-05-23 02:18:39] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10200899096913561958.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3287061816943103329.kers]
Normalized transition count is 104 out of 108 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 104 rows 55 cols 283 entries
Finished phase 1 with 51 SingleSign rule and 0 generalized
[2026-05-23 02:18:39] [INFO ] Computed 4 invariants in 1 ms
Computed 4 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-3287061816943103329.kers
Total runtime 3 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1]
RANDOM walk for 1000000 steps (17491 resets) in 959 ms. (1041 steps per ms)
FORMULA CloudReconfiguration-PT-306-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-306-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-306-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-306-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-306-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-306-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-306-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-306-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000001 steps (5559 resets) in 305 ms. (3267 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-23 02:18:41] [INFO ] Flow matrix only has 104 transitions (discarded 4 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17089896270238621715.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4436188237528262008.kers'
[2026-05-23 02:18:41] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17089896270238621715.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4436188237528262008.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 104 rows 55 cols 283 entries
Finished phase 1 with 51 SingleSign rule and 0 generalized
[2026-05-23 02:18:41] [INFO ] Computed 4 invariants in 1 ms
Computed 4 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-4436188237528262008.kers
Total runtime 2 ms.
[2026-05-23 02:18:41] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2026-05-23 02:18:41] [INFO ] [Real]Absence check using state equation in 18 ms returned sat
[2026-05-23 02:18:41] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 02:18:41] [INFO ] [Real]Added 2 Read/Feed constraints in 1 ms returned sat
[2026-05-23 02:18:41] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 02:18:41] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-23 02:18:41] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2026-05-23 02:18:41] [INFO ] [Nat]Added 2 Read/Feed constraints in 1 ms returned sat
[2026-05-23 02:18:41] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 72 ms
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[0]
FORMULA CloudReconfiguration-PT-306-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 88895 ms.

BK_STOP 1779502721325

--------------------
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-306"
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-306, 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-177946967500157"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-306.tgz
mv CloudReconfiguration-PT-306 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 ;