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.r194-tall-177969914000301.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 NoC3x3-PT-3B, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r194-tall-177969914000301
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 8.3K Mar 8 06:34 CTLCardinality.txt
-rw-r--r-- 1 mcc users 94K Mar 8 06:34 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K Mar 8 06:34 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K Mar 8 06:34 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 16 08:13 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 16 08:13 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 16 08:13 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 16 08:13 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 8 06:34 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 108K Mar 8 06:34 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.6K Mar 8 06:34 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 74K Mar 8 06:34 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 16 08:13 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 16 08:13 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 581K 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 NoC3x3-PT-3B-UpperBounds-00
FORMULA_NAME NoC3x3-PT-3B-UpperBounds-01
FORMULA_NAME NoC3x3-PT-3B-UpperBounds-02
FORMULA_NAME NoC3x3-PT-3B-UpperBounds-03
FORMULA_NAME NoC3x3-PT-3B-UpperBounds-04
FORMULA_NAME NoC3x3-PT-3B-UpperBounds-05
FORMULA_NAME NoC3x3-PT-3B-UpperBounds-06
FORMULA_NAME NoC3x3-PT-3B-UpperBounds-07
FORMULA_NAME NoC3x3-PT-3B-UpperBounds-08
FORMULA_NAME NoC3x3-PT-3B-UpperBounds-09
FORMULA_NAME NoC3x3-PT-3B-UpperBounds-10
FORMULA_NAME NoC3x3-PT-3B-UpperBounds-11
FORMULA_NAME NoC3x3-PT-3B-UpperBounds-12
FORMULA_NAME NoC3x3-PT-3B-UpperBounds-13
FORMULA_NAME NoC3x3-PT-3B-UpperBounds-14
FORMULA_NAME NoC3x3-PT-3B-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779748228705

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=NoC3x3-PT-3B
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-25 22:30:29] [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]
[2026-05-25 22:30:29] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 22:30:30] [INFO ] Load time of PNML (sax parser for PT used): 157 ms
[2026-05-25 22:30:30] [INFO ] Transformed 2117 places.
[2026-05-25 22:30:30] [INFO ] Transformed 2435 transitions.
[2026-05-25 22:30:30] [INFO ] Found NUPN structural information;
[2026-05-25 22:30:30] [INFO ] Parsed PT model containing 2117 places and 2435 transitions and 6177 arcs in 268 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-1571728854164115634.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13153924414953540217.kers'
[2026-05-25 22:30:30] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1571728854164115634.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13153924414953540217.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 2435 rows 2117 cols 6177 entries
Finished phase 1 with 2051 SingleSign rule and 0 generalized
[2026-05-25 22:30:30] [INFO ] Computed 66 invariants in 10 ms
Computed 66 P flows in 11 ms.
Exported basis to /tmp/petrispot-output-13153924414953540217.kers
Total runtime 13 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 (16 resets) in 63 ms. (156 steps per ms)
FORMULA NoC3x3-PT-3B-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-3B-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-3B-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-3B-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-3B-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-3B-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-3B-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-3B-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-3B-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 70005 steps (14 resets) in 108 ms. (642 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1]
[2026-05-25 22:30:30] [INFO ] Invariant cache hit.
[2026-05-25 22:30:31] [INFO ] [Real]Absence check using 66 positive place invariants in 81 ms returned sat
[2026-05-25 22:30:31] [INFO ] [Real]Absence check using state equation in 774 ms returned sat
[2026-05-25 22:30:32] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 22:30:33] [INFO ] [Nat]Absence check using 66 positive place invariants in 74 ms returned sat
[2026-05-25 22:30:33] [INFO ] [Nat]Absence check using state equation in 739 ms returned sat
[2026-05-25 22:30:34] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 859 ms
[2026-05-25 22:30:34] [INFO ] Computed and/alt/rep : 2387/5262/2387 causal constraints (skipped 47 transitions) in 108 ms.
[2026-05-25 22:30:37] [INFO ] Added : 130 causal constraints over 26 iterations in 2999 ms. Result :unknown
[2026-05-25 22:30:38] [INFO ] [Real]Absence check using 66 positive place invariants in 72 ms returned sat
[2026-05-25 22:30:38] [INFO ] [Real]Absence check using state equation in 860 ms returned sat
[2026-05-25 22:30:39] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 22:30:40] [INFO ] [Nat]Absence check using 66 positive place invariants in 73 ms returned sat
[2026-05-25 22:30:40] [INFO ] [Nat]Absence check using state equation in 807 ms returned sat
[2026-05-25 22:30:43] [INFO ] Trap strengthening (SAT) tested/added 8/7 trap constraints in 2495 ms
[2026-05-25 22:30:43] [INFO ] Computed and/alt/rep : 2387/5262/2387 causal constraints (skipped 47 transitions) in 105 ms.
Maximisation of solution failed !
Minimization took 2 ms.
[2026-05-25 22:30:45] [INFO ] [Real]Absence check using 66 positive place invariants in 78 ms returned sat
[2026-05-25 22:30:45] [INFO ] [Real]Absence check using state equation in 842 ms returned sat
[2026-05-25 22:30:46] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 22:30:46] [INFO ] [Nat]Absence check using 66 positive place invariants in 83 ms returned sat
[2026-05-25 22:30:47] [INFO ] [Nat]Absence check using state equation in 820 ms returned sat
[2026-05-25 22:30:48] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 429 ms
[2026-05-25 22:30:48] [INFO ] Computed and/alt/rep : 2387/5262/2387 causal constraints (skipped 47 transitions) in 105 ms.
[2026-05-25 22:30:51] [INFO ] Added : 155 causal constraints over 31 iterations in 3383 ms. Result :unknown
[2026-05-25 22:30:51] [INFO ] [Real]Absence check using 66 positive place invariants in 75 ms returned sat
[2026-05-25 22:30:52] [INFO ] [Real]Absence check using state equation in 776 ms returned sat
[2026-05-25 22:30:53] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 22:30:53] [INFO ] [Nat]Absence check using 66 positive place invariants in 84 ms returned sat
[2026-05-25 22:30:54] [INFO ] [Nat]Absence check using state equation in 751 ms returned sat
[2026-05-25 22:30:56] [INFO ] Trap strengthening (SAT) tested/added 9/8 trap constraints in 2209 ms
[2026-05-25 22:30:56] [INFO ] Computed and/alt/rep : 2387/5262/2387 causal constraints (skipped 47 transitions) in 214 ms.
Maximisation of solution failed !
Minimization took 6 ms.
[2026-05-25 22:30:58] [INFO ] [Real]Absence check using 66 positive place invariants in 80 ms returned sat
[2026-05-25 22:30:59] [INFO ] [Real]Absence check using state equation in 800 ms returned sat
[2026-05-25 22:31:00] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 22:31:00] [INFO ] [Nat]Absence check using 66 positive place invariants in 81 ms returned sat
[2026-05-25 22:31:01] [INFO ] [Nat]Absence check using state equation in 805 ms returned sat
[2026-05-25 22:31:03] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 1512 ms
[2026-05-25 22:31:03] [INFO ] Computed and/alt/rep : 2387/5262/2387 causal constraints (skipped 47 transitions) in 100 ms.
Maximisation of solution failed !
Minimization took 0 ms.
[2026-05-25 22:31:05] [INFO ] [Real]Absence check using 66 positive place invariants in 68 ms returned sat
[2026-05-25 22:31:06] [INFO ] [Real]Absence check using state equation in 756 ms returned sat
[2026-05-25 22:31:06] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 22:31:07] [INFO ] [Nat]Absence check using 66 positive place invariants in 74 ms returned sat
[2026-05-25 22:31:08] [INFO ] [Nat]Absence check using state equation in 789 ms returned sat
[2026-05-25 22:31:09] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 909 ms
[2026-05-25 22:31:09] [INFO ] Computed and/alt/rep : 2387/5262/2387 causal constraints (skipped 47 transitions) in 109 ms.
Maximisation of solution failed !
Minimization took 1 ms.
[2026-05-25 22:31:12] [INFO ] [Real]Absence check using 66 positive place invariants in 87 ms returned sat
[2026-05-25 22:31:13] [INFO ] [Real]Absence check using state equation in 908 ms returned sat
[2026-05-25 22:31:13] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 22:31:14] [INFO ] [Nat]Absence check using 66 positive place invariants in 85 ms returned sat
[2026-05-25 22:31:15] [INFO ] [Nat]Absence check using state equation in 858 ms returned sat
[2026-05-25 22:31:16] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 1506 ms
[2026-05-25 22:31:16] [INFO ] Computed and/alt/rep : 2387/5262/2387 causal constraints (skipped 47 transitions) in 108 ms.
[2026-05-25 22:31:19] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 6
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java: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] Max Struct:[1, 1, 1, 1, 1, 1, 1]
FORMULA NoC3x3-PT-3B-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA NoC3x3-PT-3B-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1]
FORMULA NoC3x3-PT-3B-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL PARIKH_GUIDED_WALK
Support contains 4 out of 2117 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2117/2117 places, 2435/2435 transitions.
Graph (trivial) has 1744 edges and 2117 vertex of which 72 / 2117 are part of one of the 9 SCC in 12 ms
Free SCC test removed 63 places
Drop transitions (Empty/Sink Transition effects.) removed 72 transitions
Reduce isomorphic transitions removed 72 transitions.
Discarding 5 places :
Implicit places reduction removed 5 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 440 transitions
Trivial Post-agglo rules discarded 440 transitions
Performed 440 trivial Post agglomeration. Transition count delta: 440
Iterating post reduction 0 with 445 rules applied. Total rules applied 446 place count 2049 transition count 1923
Reduce places removed 440 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 1 with 444 rules applied. Total rules applied 890 place count 1609 transition count 1919
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 892 place count 1607 transition count 1919
Performed 24 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 24 Pre rules applied. Total rules applied 892 place count 1607 transition count 1895
Deduced a syphon composed of 24 places in 4 ms
Reduce places removed 24 places and 0 transitions.
Iterating global reduction 3 with 48 rules applied. Total rules applied 940 place count 1583 transition count 1895
Discarding 363 places :
Symmetric choice reduction at 3 with 363 rule applications. Total rules 1303 place count 1220 transition count 1532
Iterating global reduction 3 with 363 rules applied. Total rules applied 1666 place count 1220 transition count 1532
Performed 41 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 41 Pre rules applied. Total rules applied 1666 place count 1220 transition count 1491
Deduced a syphon composed of 41 places in 3 ms
Reduce places removed 41 places and 0 transitions.
Iterating global reduction 3 with 82 rules applied. Total rules applied 1748 place count 1179 transition count 1491
Discarding 136 places :
Symmetric choice reduction at 3 with 136 rule applications. Total rules 1884 place count 1043 transition count 1315
Iterating global reduction 3 with 136 rules applied. Total rules applied 2020 place count 1043 transition count 1315
Discarding 138 places :
Symmetric choice reduction at 3 with 138 rule applications. Total rules 2158 place count 905 transition count 1161
Iterating global reduction 3 with 138 rules applied. Total rules applied 2296 place count 905 transition count 1161
Discarding 57 places :
Symmetric choice reduction at 3 with 57 rule applications. Total rules 2353 place count 848 transition count 1061
Iterating global reduction 3 with 57 rules applied. Total rules applied 2410 place count 848 transition count 1061
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
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 20 rules applied. Total rules applied 2430 place count 846 transition count 1043
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 2432 place count 844 transition count 1043
Discarding 41 places :
Symmetric choice reduction at 5 with 41 rule applications. Total rules 2473 place count 803 transition count 1002
Iterating global reduction 5 with 41 rules applied. Total rules applied 2514 place count 803 transition count 1002
Discarding 4 places :
Implicit places reduction removed 4 places
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 5 with 8 rules applied. Total rules applied 2522 place count 799 transition count 998
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 6 with 4 rules applied. Total rules applied 2526 place count 795 transition count 998
Discarding 29 places :
Symmetric choice reduction at 7 with 29 rule applications. Total rules 2555 place count 766 transition count 940
Iterating global reduction 7 with 29 rules applied. Total rules applied 2584 place count 766 transition count 940
Discarding 29 places :
Symmetric choice reduction at 7 with 29 rule applications. Total rules 2613 place count 737 transition count 911
Iterating global reduction 7 with 29 rules applied. Total rules applied 2642 place count 737 transition count 911
Ensure Unique test removed 29 transitions
Reduce isomorphic transitions removed 29 transitions.
Discarding 5 places :
Implicit places reduction removed 5 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 5 transitions
Trivial Post-agglo rules discarded 5 transitions
Performed 5 trivial Post agglomeration. Transition count delta: 5
Iterating post reduction 7 with 39 rules applied. Total rules applied 2681 place count 732 transition count 877
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 8 with 5 rules applied. Total rules applied 2686 place count 727 transition count 877
Performed 308 Post agglomeration using F-continuation condition.Transition count delta: 308
Deduced a syphon composed of 308 places in 1 ms
Reduce places removed 308 places and 0 transitions.
Iterating global reduction 9 with 616 rules applied. Total rules applied 3302 place count 419 transition count 569
Discarding 15 places :
Symmetric choice reduction at 9 with 15 rule applications. Total rules 3317 place count 404 transition count 554
Iterating global reduction 9 with 15 rules applied. Total rules applied 3332 place count 404 transition count 554
Discarding 11 places :
Symmetric choice reduction at 9 with 11 rule applications. Total rules 3343 place count 393 transition count 532
Iterating global reduction 9 with 11 rules applied. Total rules applied 3354 place count 393 transition count 532
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 9 with 2 rules applied. Total rules applied 3356 place count 393 transition count 530
Discarding 2 places :
Symmetric choice reduction at 10 with 2 rule applications. Total rules 3358 place count 391 transition count 526
Iterating global reduction 10 with 2 rules applied. Total rules applied 3360 place count 391 transition count 526
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: -24
Deduced a syphon composed of 16 places in 1 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 10 with 32 rules applied. Total rules applied 3392 place count 375 transition count 550
Free-agglomeration rule applied 23 times.
Iterating global reduction 10 with 23 rules applied. Total rules applied 3415 place count 375 transition count 527
Reduce places removed 23 places and 0 transitions.
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 10 with 30 rules applied. Total rules applied 3445 place count 352 transition count 520
Free-agglomeration rule (complex) applied 3 times.
Iterating global reduction 11 with 3 rules applied. Total rules applied 3448 place count 352 transition count 517
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 11 with 3 rules applied. Total rules applied 3451 place count 349 transition count 517
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 12 with 1 rules applied. Total rules applied 3452 place count 349 transition count 517
Applied a total of 3452 rules in 748 ms. Remains 349 /2117 variables (removed 1768) and now considering 517/2435 (removed 1918) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 755 ms. Remains : 349/2117 places, 517/2435 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3821076895716828007.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3178492221555110620.kers'
[2026-05-25 22:31:20] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3821076895716828007.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3178492221555110620.kers]
Culling duplicate invariants (modulo rational): removing 9 columns.
Culled 9 columns in 0 ms.
// Phase 1: matrix 517 rows 340 cols 2767 entries
Finished phase 1 with 290 SingleSign rule and 5 generalized
[2026-05-25 22:31:20] [INFO ] Computed 54 invariants in 3 ms
Computed 54 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-3178492221555110620.kers
Total runtime 4 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0] Max Struct:[1, 1, 1, 1]
RANDOM walk for 1000000 steps (13860 resets) in 3683 ms. (271 steps per ms)
FORMULA NoC3x3-PT-3B-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-3B-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-3B-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-3B-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000001 steps (775 resets) in 1129 ms. (884 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 55391 ms.

BK_STOP 1779748285271

--------------------
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="NoC3x3-PT-3B"
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 NoC3x3-PT-3B, 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 r194-tall-177969914000301"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/NoC3x3-PT-3B.tgz
mv NoC3x3-PT-3B 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 ;