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-177969914200651.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 Peterson-COL-2, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r194-tall-177969914200651
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 564K
-rw-r--r-- 1 mcc users 8.5K Mar 8 07:10 CTLCardinality.txt
-rw-r--r-- 1 mcc users 88K Mar 8 07:10 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.1K Mar 8 07:10 CTLFireability.txt
-rw-r--r-- 1 mcc users 62K Mar 8 07:10 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.2K Mar 16 08:28 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 16 08:28 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 16 08:28 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K Mar 16 08:28 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Mar 8 07:10 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 132K Mar 8 07:10 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 8 07:10 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 87K Mar 8 07:10 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 16 08:28 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 16 08:28 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_pt
-rw-r--r-- 1 mcc users 2 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 42K 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 booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME Peterson-COL-2-LTLCardinality-00
FORMULA_NAME Peterson-COL-2-LTLCardinality-01
FORMULA_NAME Peterson-COL-2-LTLCardinality-02
FORMULA_NAME Peterson-COL-2-LTLCardinality-03
FORMULA_NAME Peterson-COL-2-LTLCardinality-04
FORMULA_NAME Peterson-COL-2-LTLCardinality-05
FORMULA_NAME Peterson-COL-2-LTLCardinality-06
FORMULA_NAME Peterson-COL-2-LTLCardinality-07
FORMULA_NAME Peterson-COL-2-LTLCardinality-08
FORMULA_NAME Peterson-COL-2-LTLCardinality-09
FORMULA_NAME Peterson-COL-2-LTLCardinality-10
FORMULA_NAME Peterson-COL-2-LTLCardinality-11
FORMULA_NAME Peterson-COL-2-LTLCardinality-12
FORMULA_NAME Peterson-COL-2-LTLCardinality-13
FORMULA_NAME Peterson-COL-2-LTLCardinality-14
FORMULA_NAME Peterson-COL-2-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1779807126079

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Peterson-COL-2
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
LTLCardinality COL
Running Version 202604301425
[2026-05-26 14:52:07] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-26 14:52:07] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-26 14:52:07] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2026-05-26 14:52:07] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-26 14:52:07] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 514 ms
[2026-05-26 14:52:07] [INFO ] Imported 11 HL places and 14 HL transitions for a total of 108 PT places and 159.0 transition bindings in 17 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 12 ms.
Working with output stream class java.io.PrintStream
[2026-05-26 14:52:07] [INFO ] Built PT skeleton of HLPN with 11 places and 14 transitions 42 arcs in 4 ms.
[2026-05-26 14:52:07] [INFO ] Skeletonized 16 HLPN properties in 1 ms.
Initial state reduction rules removed 3 formulas.
FORMULA Peterson-COL-2-LTLCardinality-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Peterson-COL-2-LTLCardinality-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Peterson-COL-2-LTLCardinality-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 2 stabilizing places and 0 stable transitions
Remains 13 properties that can be checked using skeleton over-approximation.
Reduce places removed 2 places and 0 transitions.
FORMULA Peterson-COL-2-LTLCardinality-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 0 stabilizing places and 0 stable transitions
RANDOM walk for 40001 steps (8 resets) in 523 ms. (76 steps per ms) remains 2/33 properties
BEST_FIRST walk for 40004 steps (8 resets) in 292 ms. (136 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 241 ms. (165 steps per ms) remains 2/2 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5725407994274716183.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12109433820009313645.kers'
[2026-05-26 14:52:08] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5725407994274716183.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12109433820009313645.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 14 rows 9 cols 28 entries
Finished phase 1 with 8 SingleSign rule and 0 generalized
[2026-05-26 14:52:08] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-12109433820009313645.kers
Total runtime 1 ms.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem AtomicPropp16 is UNSAT
Problem AtomicPropp21 is UNSAT
After SMT solving in domain Real declared 9/23 variables, and 1 constraints, problems are : Problem set: 2 solved, 0 unsolved in 118 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 0/9 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 160ms problems are : Problem set: 2 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 2 atomic propositions for a total of 12 simplifications.
FORMULA Peterson-COL-2-LTLCardinality-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-26 14:52:08] [INFO ] Initial state reduction rules for LTL removed 1 formulas.
[2026-05-26 14:52:08] [INFO ] Flatten gal took : 14 ms
FORMULA Peterson-COL-2-LTLCardinality-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-26 14:52:08] [INFO ] Flatten gal took : 2 ms
Domain [Process(3), Tour(2), Process(3)] of place BeginLoop breaks symmetries in sort Process
Symmetric sort wr.t. initial and guards and successors and join/free detected :Bool
Arc [1:1*[$i, 0]] contains constants of sort Bool
Transition Ask : constants on arcs in [[1:1*[$i, 0]]] introduces in Bool(2) partition with 1 elements that refines current partition to 2 subsets.
Arc [2:1*[$i, (MOD (ADD $j 1) 2)]] contains successor/predecessor on variables of sort Tour
[2026-05-26 14:52:08] [INFO ] Unfolded HLPN to a Petri net with 108 places and 138 transitions 432 arcs in 21 ms.
[2026-05-26 14:52:08] [INFO ] Unfolded 10 HLPN properties in 0 ms.
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 12 transitions.
Support contains 72 out of 102 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 102/102 places, 126/126 transitions.
Applied a total of 0 rules in 6 ms. Remains 102 /102 variables (removed 0) and now considering 126/126 (removed 0) transitions.
[2026-05-26 14:52:08] [INFO ] Flow matrix only has 120 transitions (discarded 6 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11711913158225180423.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16132726200427337981.kers'
[2026-05-26 14:52:08] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11711913158225180423.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16132726200427337981.kers]
Culling duplicate invariants (modulo rational): removing 6 columns.
Culled 6 columns in 0 ms.
// Phase 1: matrix 120 rows 96 cols 264 entries
Finished phase 1 with 91 SingleSign rule and 0 generalized
[2026-05-26 14:52:08] [INFO ] Computed 11 invariants in 0 ms
Computed 11 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-16132726200427337981.kers
Total runtime 0 ms.
[2026-05-26 14:52:08] [INFO ] Implicit Places using invariants in 81 ms returned []
[2026-05-26 14:52:08] [INFO ] Flow matrix only has 120 transitions (discarded 6 similar events)
[2026-05-26 14:52:08] [INFO ] Invariant cache hit.
[2026-05-26 14:52:08] [INFO ] State equation strengthened by 22 read => feed constraints.
[2026-05-26 14:52:08] [INFO ] Implicit Places using invariants and state equation in 105 ms returned []
Implicit Place search using SMT with State Equation took 193 ms to find 0 implicit places.
Running 123 sub problems to find dead transitions.
[2026-05-26 14:52:08] [INFO ] Flow matrix only has 120 transitions (discarded 6 similar events)
[2026-05-26 14:52:08] [INFO ] Invariant cache hit.
[2026-05-26 14:52:08] [INFO ] State equation strengthened by 22 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/99 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 2 (OVERLAPS) 3/102 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/102 variables, 3/11 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 17/28 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/102 variables, 2/30 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/102 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 7 (OVERLAPS) 120/222 variables, 102/132 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/222 variables, 22/154 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/222 variables, 1/155 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/222 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 11 (OVERLAPS) 0/222 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 123 unsolved
No progress, stopping.
After SMT solving in domain Real declared 222/222 variables, and 155 constraints, problems are : Problem set: 0 solved, 123 unsolved in 7473 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 102/102 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 123/123 constraints, Known Traps: 20/20 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 123 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/99 variables, 20/22 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/99 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 3 (OVERLAPS) 3/102 variables, 6/28 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 3/31 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/102 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 6 (OVERLAPS) 120/222 variables, 102/133 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/222 variables, 22/155 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/222 variables, 123/278 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/222 variables, 0/278 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 10 (OVERLAPS) 0/222 variables, 0/278 constraints. Problems are: Problem set: 0 solved, 123 unsolved
No progress, stopping.
After SMT solving in domain Int declared 222/222 variables, and 278 constraints, problems are : Problem set: 0 solved, 123 unsolved in 7021 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 102/102 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 123/123 constraints, Known Traps: 20/20 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 14522ms problems are : Problem set: 0 solved, 123 unsolved
Search for dead transitions found 0 dead transitions in 14524ms
Finished structural reductions in LTL mode , in 1 iterations and 14750 ms. Remains : 102/102 places, 126/126 transitions.
Starting structural reductions in LTL mode, iteration 0 : 102/102 places, 126/126 transitions.
Applied a total of 0 rules in 1 ms. Remains 102 /102 variables (removed 0) and now considering 126/126 (removed 0) transitions.
[2026-05-26 14:52:23] [INFO ] Flow matrix only has 120 transitions (discarded 6 similar events)
[2026-05-26 14:52:23] [INFO ] Invariant cache hit.
[2026-05-26 14:52:23] [INFO ] Implicit Places using invariants in 40 ms returned []
[2026-05-26 14:52:23] [INFO ] Flow matrix only has 120 transitions (discarded 6 similar events)
[2026-05-26 14:52:23] [INFO ] Invariant cache hit.
[2026-05-26 14:52:23] [INFO ] State equation strengthened by 22 read => feed constraints.
[2026-05-26 14:52:23] [INFO ] Implicit Places using invariants and state equation in 63 ms returned []
Implicit Place search using SMT with State Equation took 105 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 106 ms. Remains : 102/102 places, 126/126 transitions.
Support contains 72 out of 102 places after structural reductions.
[2026-05-26 14:52:23] [INFO ] Flatten gal took : 15 ms
[2026-05-26 14:52:23] [INFO ] Flatten gal took : 11 ms
[2026-05-26 14:52:23] [INFO ] Input system was already deterministic with 126 transitions.
RANDOM walk for 40000 steps (8 resets) in 1295 ms. (30 steps per ms) remains 6/26 properties
BEST_FIRST walk for 40004 steps (8 resets) in 140 ms. (283 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 202 ms. (197 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 119 ms. (333 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 111 ms. (357 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 93 ms. (425 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 89 ms. (444 steps per ms) remains 6/6 properties
[2026-05-26 14:52:24] [INFO ] Flow matrix only has 120 transitions (discarded 6 similar events)
[2026-05-26 14:52:24] [INFO ] Invariant cache hit.
[2026-05-26 14:52:24] [INFO ] State equation strengthened by 22 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/45 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Problem AtomicPropp19 is UNSAT
At refinement iteration 1 (OVERLAPS) 45/90 variables, 3/3 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/90 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 3/93 variables, 3/6 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/93 variables, 0/6 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 3/96 variables, 3/9 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/96 variables, 0/9 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 120/216 variables, 96/105 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/216 variables, 22/127 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/216 variables, 0/127 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 10 (OVERLAPS) 6/222 variables, 6/133 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/222 variables, 2/135 constraints. Problems are: Problem set: 1 solved, 5 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/222 variables, 0/135 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 13 (OVERLAPS) 0/222 variables, 0/135 constraints. Problems are: Problem set: 1 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 222/222 variables, and 135 constraints, problems are : Problem set: 1 solved, 5 unsolved in 305 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 102/102 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/39 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 51/90 variables, 3/3 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/90 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 3/93 variables, 3/6 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/93 variables, 0/6 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 3/96 variables, 3/9 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/96 variables, 0/9 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 120/216 variables, 96/105 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/216 variables, 22/127 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/216 variables, 4/131 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/216 variables, 0/131 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 11 (OVERLAPS) 6/222 variables, 6/137 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/222 variables, 2/139 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/222 variables, 1/140 constraints. Problems are: Problem set: 1 solved, 5 unsolved
Problem AtomicPropp10 is UNSAT
Problem AtomicPropp12 is UNSAT
Problem AtomicPropp14 is UNSAT
At refinement iteration 14 (INCLUDED_ONLY) 0/222 variables, 12/152 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/222 variables, 0/152 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 0/222 variables, 0/152 constraints. Problems are: Problem set: 4 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 222/222 variables, and 152 constraints, problems are : Problem set: 4 solved, 2 unsolved in 1149 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 102/102 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 5/6 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1465ms problems are : Problem set: 4 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 81 ms.
Support contains 33 out of 102 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 126/126 transitions.
Performed 12 Post agglomeration using F-continuation condition.Transition count delta: 12
Iterating post reduction 0 with 12 rules applied. Total rules applied 12 place count 102 transition count 114
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 1 with 12 rules applied. Total rules applied 24 place count 90 transition count 114
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 9 Pre rules applied. Total rules applied 24 place count 90 transition count 105
Deduced a syphon composed of 9 places in 1 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 2 with 18 rules applied. Total rules applied 42 place count 81 transition count 105
Applied a total of 42 rules in 20 ms. Remains 81 /102 variables (removed 21) and now considering 105/126 (removed 21) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20 ms. Remains : 81/102 places, 105/126 transitions.
RANDOM walk for 40000 steps (8 resets) in 253 ms. (157 steps per ms) remains 2/2 properties
BEST_FIRST walk for 30107 steps (6 resets) in 67 ms. (442 steps per ms) remains 0/2 properties
FORMULA Peterson-COL-2-LTLCardinality-10 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 4 atomic propositions for a total of 9 simplifications.
FORMULA Peterson-COL-2-LTLCardinality-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Peterson-COL-2-LTLCardinality-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 0 stabilizing places and 0 stable transitions
FORMULA Peterson-COL-2-LTLCardinality-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F((p1&&(p2 U G(p3)))))))'
Support contains 15 out of 102 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 102/102 places, 126/126 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 34 transitions
Trivial Post-agglo rules discarded 34 transitions
Performed 34 trivial Post agglomeration. Transition count delta: 34
Iterating post reduction 0 with 34 rules applied. Total rules applied 34 place count 102 transition count 92
Reduce places removed 34 places and 0 transitions.
Iterating post reduction 1 with 34 rules applied. Total rules applied 68 place count 68 transition count 92
Performed 14 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 14 Pre rules applied. Total rules applied 68 place count 68 transition count 78
Deduced a syphon composed of 14 places in 0 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 2 with 28 rules applied. Total rules applied 96 place count 54 transition count 78
Applied a total of 96 rules in 10 ms. Remains 54 /102 variables (removed 48) and now considering 78/126 (removed 48) transitions.
[2026-05-26 14:52:26] [INFO ] Flow matrix only has 72 transitions (discarded 6 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13972353164681323550.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9490877467464671683.kers'
[2026-05-26 14:52:26] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13972353164681323550.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9490877467464671683.kers]
Culling duplicate invariants (modulo rational): removing 6 columns.
Culled 6 columns in 0 ms.
// Phase 1: matrix 72 rows 48 cols 168 entries
Finished phase 1 with 43 SingleSign rule and 0 generalized
[2026-05-26 14:52:26] [INFO ] Computed 11 invariants in 0 ms
Computed 11 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-9490877467464671683.kers
Total runtime 0 ms.
[2026-05-26 14:52:26] [INFO ] Implicit Places using invariants in 42 ms returned []
[2026-05-26 14:52:26] [INFO ] Flow matrix only has 72 transitions (discarded 6 similar events)
[2026-05-26 14:52:26] [INFO ] Invariant cache hit.
[2026-05-26 14:52:26] [INFO ] State equation strengthened by 22 read => feed constraints.
[2026-05-26 14:52:26] [INFO ] Implicit Places using invariants and state equation in 75 ms returned []
Implicit Place search using SMT with State Equation took 118 ms to find 0 implicit places.
[2026-05-26 14:52:26] [INFO ] Redundant transitions in 1 ms returned []
Running 75 sub problems to find dead transitions.
[2026-05-26 14:52:26] [INFO ] Flow matrix only has 72 transitions (discarded 6 similar events)
[2026-05-26 14:52:26] [INFO ] Invariant cache hit.
[2026-05-26 14:52:26] [INFO ] State equation strengthened by 22 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/51 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/51 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 2 (OVERLAPS) 3/54 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 3/11 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 14/25 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 4/29 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 7 (OVERLAPS) 72/126 variables, 54/83 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/126 variables, 22/105 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/126 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 10 (OVERLAPS) 0/126 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 75 unsolved
No progress, stopping.
After SMT solving in domain Real declared 126/126 variables, and 105 constraints, problems are : Problem set: 0 solved, 75 unsolved in 2672 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 54/54 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 75/75 constraints, Known Traps: 18/18 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 75 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/51 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/51 variables, 17/19 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 3 (OVERLAPS) 3/54 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 3/28 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 7 (OVERLAPS) 72/126 variables, 54/83 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/126 variables, 22/105 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/126 variables, 75/180 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/126 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 11 (OVERLAPS) 0/126 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 75 unsolved
No progress, stopping.
After SMT solving in domain Int declared 126/126 variables, and 180 constraints, problems are : Problem set: 0 solved, 75 unsolved in 2088 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 54/54 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 75/75 constraints, Known Traps: 18/18 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4773ms problems are : Problem set: 0 solved, 75 unsolved
Search for dead transitions found 0 dead transitions in 4774ms
Starting structural reductions in SI_LTL mode, iteration 1 : 54/102 places, 78/126 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 4910 ms. Remains : 54/102 places, 78/126 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F((p1&&(p2 U G(p3)))))))'
Stuttering acceptance computed with spot in 368 ms :[(OR (NOT p0) (NOT p1) (NOT p3)), (NOT p0), (OR (NOT p3) (NOT p1)), (NOT p3), (NOT p3)]
Running random walk in product with property : Peterson-COL-2-LTLCardinality-01
Product exploration explored 100000 steps with 0 reset in 309 ms.
Stack based approach found an accepted trace after 6 steps with 0 reset with depth 7 and stack size 7 in 0 ms.
FORMULA Peterson-COL-2-LTLCardinality-01 FALSE TECHNIQUES STACK_TEST
Treatment of property Peterson-COL-2-LTLCardinality-01 finished in 5676 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(p0)||G(p1)))'
Support contains 30 out of 102 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 102/102 places, 126/126 transitions.
Applied a total of 0 rules in 4 ms. Remains 102 /102 variables (removed 0) and now considering 126/126 (removed 0) transitions.
[2026-05-26 14:52:31] [INFO ] Flow matrix only has 120 transitions (discarded 6 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16474600564802390475.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1133479724122797239.kers'
[2026-05-26 14:52:31] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16474600564802390475.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1133479724122797239.kers]
Culling duplicate invariants (modulo rational): removing 6 columns.
Culled 6 columns in 0 ms.
// Phase 1: matrix 120 rows 96 cols 264 entries
Finished phase 1 with 91 SingleSign rule and 0 generalized
[2026-05-26 14:52:31] [INFO ] Computed 11 invariants in 0 ms
Computed 11 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-1133479724122797239.kers
Total runtime 1 ms.
[2026-05-26 14:52:31] [INFO ] Implicit Places using invariants in 48 ms returned [0, 1, 2]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 49 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 99/102 places, 126/126 transitions.
Applied a total of 0 rules in 3 ms. Remains 99 /99 variables (removed 0) and now considering 126/126 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 56 ms. Remains : 99/102 places, 126/126 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(p0)||G(p1)))'
Stuttering acceptance computed with spot in 184 ms :[true, (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0)), (NOT p1)]
Running random walk in product with property : Peterson-COL-2-LTLCardinality-02
Product exploration explored 100000 steps with 50000 reset in 137 ms.
Product exploration explored 100000 steps with 50000 reset in 140 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 6 factoid took 13 ms. Proved property starting from automaton with 5 states, 8 edges and 2 AP (stutter sensitive
Knowledge-based reduction took 17 ms.
FORMULA Peterson-COL-2-LTLCardinality-02 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Peterson-COL-2-LTLCardinality-02 finished in 565 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(((p0 U G(p1)) U p2)))'
Support contains 33 out of 102 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 102/102 places, 126/126 transitions.
Performed 12 Post agglomeration using F-continuation condition.Transition count delta: 12
Iterating post reduction 0 with 12 rules applied. Total rules applied 12 place count 102 transition count 114
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 1 with 12 rules applied. Total rules applied 24 place count 90 transition count 114
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 9 Pre rules applied. Total rules applied 24 place count 90 transition count 105
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 2 with 18 rules applied. Total rules applied 42 place count 81 transition count 105
Applied a total of 42 rules in 10 ms. Remains 81 /102 variables (removed 21) and now considering 105/126 (removed 21) transitions.
[2026-05-26 14:52:32] [INFO ] Flow matrix only has 99 transitions (discarded 6 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7830696723408154838.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10685056944887000336.kers'
[2026-05-26 14:52:32] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7830696723408154838.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10685056944887000336.kers]
Culling duplicate invariants (modulo rational): removing 6 columns.
Culled 6 columns in 0 ms.
// Phase 1: matrix 99 rows 75 cols 222 entries
Finished phase 1 with 70 SingleSign rule and 0 generalized
[2026-05-26 14:52:32] [INFO ] Computed 11 invariants in 0 ms
Computed 11 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-10685056944887000336.kers
Total runtime 0 ms.
[2026-05-26 14:52:32] [INFO ] Implicit Places using invariants in 46 ms returned [0, 1, 2]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 47 ms to find 3 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 78/102 places, 105/126 transitions.
Applied a total of 0 rules in 3 ms. Remains 78 /78 variables (removed 0) and now considering 105/105 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 60 ms. Remains : 78/102 places, 105/126 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(((p0 U G(p1)) U p2)))'
Stuttering acceptance computed with spot in 166 ms :[(NOT p2), true, (NOT p1), (NOT p1), (NOT p2)]
Running random walk in product with property : Peterson-COL-2-LTLCardinality-03
Entered a terminal (fully accepting) state of product in 14835 steps with 0 reset in 100 ms.
FORMULA Peterson-COL-2-LTLCardinality-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Peterson-COL-2-LTLCardinality-03 finished in 356 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((G(p0) U X(p1))&&F((G(p3)||p2))))'
Support contains 60 out of 102 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 102/102 places, 126/126 transitions.
Applied a total of 0 rules in 2 ms. Remains 102 /102 variables (removed 0) and now considering 126/126 (removed 0) transitions.
[2026-05-26 14:52:32] [INFO ] Flow matrix only has 120 transitions (discarded 6 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6983952684184658319.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3841749998418622143.kers'
[2026-05-26 14:52:32] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6983952684184658319.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3841749998418622143.kers]
Culling duplicate invariants (modulo rational): removing 6 columns.
Culled 6 columns in 0 ms.
// Phase 1: matrix 120 rows 96 cols 264 entries
Finished phase 1 with 91 SingleSign rule and 0 generalized
[2026-05-26 14:52:32] [INFO ] Computed 11 invariants in 0 ms
Computed 11 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-3841749998418622143.kers
Total runtime 1 ms.
[2026-05-26 14:52:32] [INFO ] Implicit Places using invariants in 53 ms returned [0, 1, 2]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 53 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 99/102 places, 126/126 transitions.
Applied a total of 0 rules in 2 ms. Remains 99 /99 variables (removed 0) and now considering 126/126 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 57 ms. Remains : 99/102 places, 126/126 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((G(p0) U X(p1))&&F((G(p3)||p2))))'
Stuttering acceptance computed with spot in 230 ms :[(OR (NOT p1) (AND (NOT p2) (NOT p3))), (NOT p1), (AND (NOT p2) (NOT p3)), (NOT p1), true, (NOT p0)]
Running random walk in product with property : Peterson-COL-2-LTLCardinality-09
Product exploration explored 100000 steps with 13630 reset in 210 ms.
Stack based approach found an accepted trace after 196 steps with 30 reset with depth 14 and stack size 14 in 0 ms.
FORMULA Peterson-COL-2-LTLCardinality-09 FALSE TECHNIQUES STACK_TEST
Treatment of property Peterson-COL-2-LTLCardinality-09 finished in 539 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(X(p0))&&G((p1||G(p2))))))'
Support contains 27 out of 102 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 102/102 places, 126/126 transitions.
Applied a total of 0 rules in 2 ms. Remains 102 /102 variables (removed 0) and now considering 126/126 (removed 0) transitions.
[2026-05-26 14:52:33] [INFO ] Flow matrix only has 120 transitions (discarded 6 similar events)
[2026-05-26 14:52:33] [INFO ] Invariant cache hit.
[2026-05-26 14:52:33] [INFO ] Implicit Places using invariants in 56 ms returned []
[2026-05-26 14:52:33] [INFO ] Flow matrix only has 120 transitions (discarded 6 similar events)
[2026-05-26 14:52:33] [INFO ] Invariant cache hit.
[2026-05-26 14:52:33] [INFO ] State equation strengthened by 22 read => feed constraints.
[2026-05-26 14:52:33] [INFO ] Implicit Places using invariants and state equation in 90 ms returned []
Implicit Place search using SMT with State Equation took 147 ms to find 0 implicit places.
Running 123 sub problems to find dead transitions.
[2026-05-26 14:52:33] [INFO ] Flow matrix only has 120 transitions (discarded 6 similar events)
[2026-05-26 14:52:33] [INFO ] Invariant cache hit.
[2026-05-26 14:52:33] [INFO ] State equation strengthened by 22 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/99 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 2 (OVERLAPS) 3/102 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/102 variables, 3/11 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 17/28 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/102 variables, 2/30 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/102 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 7 (OVERLAPS) 120/222 variables, 102/132 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/222 variables, 22/154 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/222 variables, 1/155 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/222 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 11 (OVERLAPS) 0/222 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 123 unsolved
No progress, stopping.
After SMT solving in domain Real declared 222/222 variables, and 155 constraints, problems are : Problem set: 0 solved, 123 unsolved in 7159 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 102/102 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 123/123 constraints, Known Traps: 20/20 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 123 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/99 variables, 20/22 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/99 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 3 (OVERLAPS) 3/102 variables, 6/28 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 3/31 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/102 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 6 (OVERLAPS) 120/222 variables, 102/133 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/222 variables, 22/155 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/222 variables, 123/278 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/222 variables, 0/278 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 10 (OVERLAPS) 0/222 variables, 0/278 constraints. Problems are: Problem set: 0 solved, 123 unsolved
No progress, stopping.
After SMT solving in domain Int declared 222/222 variables, and 278 constraints, problems are : Problem set: 0 solved, 123 unsolved in 6791 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 102/102 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 123/123 constraints, Known Traps: 20/20 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 13966ms problems are : Problem set: 0 solved, 123 unsolved
Search for dead transitions found 0 dead transitions in 13967ms
Finished structural reductions in LTL mode , in 1 iterations and 14117 ms. Remains : 102/102 places, 126/126 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(X(p0))&&G((p1||G(p2))))))'
Stuttering acceptance computed with spot in 304 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), true, (NOT p0), (NOT p2), (AND (NOT p2) (NOT p1)), (NOT p0)]
Running random walk in product with property : Peterson-COL-2-LTLCardinality-11
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA Peterson-COL-2-LTLCardinality-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Peterson-COL-2-LTLCardinality-11 finished in 14465 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 6 out of 102 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 102/102 places, 126/126 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 36 transitions
Trivial Post-agglo rules discarded 36 transitions
Performed 36 trivial Post agglomeration. Transition count delta: 36
Iterating post reduction 0 with 36 rules applied. Total rules applied 36 place count 102 transition count 90
Reduce places removed 36 places and 0 transitions.
Iterating post reduction 1 with 36 rules applied. Total rules applied 72 place count 66 transition count 90
Performed 18 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 18 Pre rules applied. Total rules applied 72 place count 66 transition count 72
Deduced a syphon composed of 18 places in 0 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 2 with 36 rules applied. Total rules applied 108 place count 48 transition count 72
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 12 rules applied. Total rules applied 120 place count 42 transition count 66
Applied a total of 120 rules in 12 ms. Remains 42 /102 variables (removed 60) and now considering 66/126 (removed 60) transitions.
[2026-05-26 14:52:47] [INFO ] Flow matrix only has 60 transitions (discarded 6 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3607276824161736449.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10434382566976929655.kers'
[2026-05-26 14:52:47] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3607276824161736449.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10434382566976929655.kers]
Culling duplicate invariants (modulo rational): removing 6 columns.
Culled 6 columns in 0 ms.
// Phase 1: matrix 60 rows 36 cols 144 entries
Finished phase 1 with 31 SingleSign rule and 0 generalized
[2026-05-26 14:52:47] [INFO ] Computed 11 invariants in 0 ms
Computed 11 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-10434382566976929655.kers
Total runtime 1 ms.
[2026-05-26 14:52:47] [INFO ] Implicit Places using invariants in 45 ms returned [0, 1, 2]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 45 ms to find 3 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 39/102 places, 66/126 transitions.
Applied a total of 0 rules in 2 ms. Remains 39 /39 variables (removed 0) and now considering 66/66 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 59 ms. Remains : 39/102 places, 66/126 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Stuttering acceptance computed with spot in 42 ms :[(NOT p0)]
Running random walk in product with property : Peterson-COL-2-LTLCardinality-13
Product exploration explored 100000 steps with 0 reset in 142 ms.
Stack based approach found an accepted trace after 28 steps with 0 reset with depth 29 and stack size 26 in 0 ms.
FORMULA Peterson-COL-2-LTLCardinality-13 FALSE TECHNIQUES STACK_TEST
Treatment of property Peterson-COL-2-LTLCardinality-13 finished in 268 ms.
All properties solved by simple procedures.
Total runtime 40863 ms.

BK_STOP 1779807168084

--------------------
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
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -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 LTLCardinality -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="Peterson-COL-2"
export BK_EXAMINATION="LTLCardinality"
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 Peterson-COL-2, examination is LTLCardinality"
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-177969914200651"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Peterson-COL-2.tgz
mv Peterson-COL-2 execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "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 [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.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 '' LTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
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 ;