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-177969914200667.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-4, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r194-tall-177969914200667
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 508K
-rw-r--r-- 1 mcc users 8.2K Mar 8 07:12 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K Mar 8 07:12 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K Mar 8 07:11 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K Mar 8 07:11 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 3.9K Mar 16 08:29 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 16 08:29 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 16 08:29 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 16 08:29 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Mar 8 07:12 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 146K Mar 8 07:12 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.3K Mar 8 07:12 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 52K Mar 8 07:12 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 16 08:29 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 16 08:29 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 44K 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-4-LTLCardinality-00
FORMULA_NAME Peterson-COL-4-LTLCardinality-01
FORMULA_NAME Peterson-COL-4-LTLCardinality-02
FORMULA_NAME Peterson-COL-4-LTLCardinality-03
FORMULA_NAME Peterson-COL-4-LTLCardinality-04
FORMULA_NAME Peterson-COL-4-LTLCardinality-05
FORMULA_NAME Peterson-COL-4-LTLCardinality-06
FORMULA_NAME Peterson-COL-4-LTLCardinality-07
FORMULA_NAME Peterson-COL-4-LTLCardinality-08
FORMULA_NAME Peterson-COL-4-LTLCardinality-09
FORMULA_NAME Peterson-COL-4-LTLCardinality-10
FORMULA_NAME Peterson-COL-4-LTLCardinality-11
FORMULA_NAME Peterson-COL-4-LTLCardinality-12
FORMULA_NAME Peterson-COL-4-LTLCardinality-13
FORMULA_NAME Peterson-COL-4-LTLCardinality-14
FORMULA_NAME Peterson-COL-4-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1779808151808

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-4
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
LTLCardinality COL
Running Version 202604301425
[2026-05-26 15:09:13] [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 15:09:13] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-26 15:09:13] [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 15:09:13] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-26 15:09:13] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 512 ms
[2026-05-26 15:09:13] [INFO ] Imported 11 HL places and 14 HL transitions for a total of 500 PT places and 795.0 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 15:09:13] [INFO ] Built PT skeleton of HLPN with 11 places and 14 transitions 42 arcs in 5 ms.
[2026-05-26 15:09:13] [INFO ] Skeletonized 16 HLPN properties in 0 ms.
Initial state reduction rules removed 5 formulas.
FORMULA Peterson-COL-4-LTLCardinality-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Peterson-COL-4-LTLCardinality-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Peterson-COL-4-LTLCardinality-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Peterson-COL-4-LTLCardinality-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Peterson-COL-4-LTLCardinality-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 2 stabilizing places and 0 stable transitions
Remains 11 properties that can be checked using skeleton over-approximation.
Reduce places removed 2 places and 0 transitions.
FORMULA Peterson-COL-4-LTLCardinality-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Peterson-COL-4-LTLCardinality-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Peterson-COL-4-LTLCardinality-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 0 stabilizing places and 0 stable transitions
RANDOM walk for 40003 steps (8 resets) in 301 ms. (132 steps per ms) remains 1/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 182 ms. (218 steps per ms) remains 1/1 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9990045861571378012.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7829515305694659189.kers'
[2026-05-26 15:09:14] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9990045861571378012.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7829515305694659189.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 15:09:14] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-7829515305694659189.kers
Total runtime 0 ms.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem AtomicPropp9 is UNSAT
After SMT solving in domain Real declared 9/23 variables, and 1 constraints, problems are : Problem set: 1 solved, 0 unsolved in 113 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 0/9 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 153ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 1 atomic propositions for a total of 6 simplifications.
[2026-05-26 15:09:14] [INFO ] Initial state reduction rules for LTL removed 2 formulas.
[2026-05-26 15:09:14] [INFO ] Flatten gal took : 14 ms
FORMULA Peterson-COL-4-LTLCardinality-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Peterson-COL-4-LTLCardinality-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-26 15:09:14] [INFO ] Flatten gal took : 2 ms
Domain [Process(5), Tour(4), Process(5)] of place BeginLoop breaks symmetries in sort Process
Arc [2:1*[$i, (MOD (ADD $j 1) 4)]] contains successor/predecessor on variables of sort Tour
Symmetric sort wr.t. initial and guards and successors and join/free detected :Bool
Arc [1:1*[$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.
[2026-05-26 15:09:14] [INFO ] Unfolded HLPN to a Petri net with 500 places and 730 transitions 2280 arcs in 33 ms.
[2026-05-26 15:09:14] [INFO ] Unfolded 6 HLPN properties in 1 ms.
Deduced a syphon composed of 20 places in 4 ms
Reduce places removed 20 places and 40 transitions.
Support contains 425 out of 480 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 480/480 places, 690/690 transitions.
Applied a total of 0 rules in 14 ms. Remains 480 /480 variables (removed 0) and now considering 690/690 (removed 0) transitions.
[2026-05-26 15:09:14] [INFO ] Flow matrix only has 630 transitions (discarded 60 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15383421401500271379.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8629962762784998580.kers'
[2026-05-26 15:09:14] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15383421401500271379.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8629962762784998580.kers]
Culling duplicate invariants (modulo rational): removing 10 columns.
Culled 10 columns in 0 ms.
// Phase 1: matrix 630 rows 470 cols 1420 entries
Finished phase 1 with 461 SingleSign rule and 0 generalized
[2026-05-26 15:09:14] [INFO ] Computed 19 invariants in 2 ms
Computed 19 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-8629962762784998580.kers
Total runtime 5 ms.
[2026-05-26 15:09:14] [INFO ] Implicit Places using invariants in 235 ms returned []
[2026-05-26 15:09:14] [INFO ] Flow matrix only has 630 transitions (discarded 60 similar events)
[2026-05-26 15:09:14] [INFO ] Invariant cache hit.
[2026-05-26 15:09:15] [INFO ] State equation strengthened by 116 read => feed constraints.
[2026-05-26 15:09:15] [INFO ] Implicit Places using invariants and state equation in 532 ms returned []
Implicit Place search using SMT with State Equation took 776 ms to find 0 implicit places.
Running 685 sub problems to find dead transitions.
[2026-05-26 15:09:15] [INFO ] Flow matrix only has 630 transitions (discarded 60 similar events)
[2026-05-26 15:09:15] [INFO ] Invariant cache hit.
[2026-05-26 15:09:15] [INFO ] State equation strengthened by 116 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/475 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 685 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/475 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 685 unsolved
At refinement iteration 2 (OVERLAPS) 5/480 variables, 10/14 constraints. Problems are: Problem set: 0 solved, 685 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/480 variables, 5/19 constraints. Problems are: Problem set: 0 solved, 685 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/480 variables, 20/39 constraints. Problems are: Problem set: 0 solved, 685 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/480 variables, 20/59 constraints. Problems are: Problem set: 0 solved, 685 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 480/1110 variables, and 65 constraints, problems are : Problem set: 0 solved, 685 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 0/480 constraints, ReadFeed: 0/116 constraints, PredecessorRefiner: 685/685 constraints, Known Traps: 46/46 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 685 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/475 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 685 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/475 variables, 46/50 constraints. Problems are: Problem set: 0 solved, 685 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/475 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 685 unsolved
At refinement iteration 3 (OVERLAPS) 5/480 variables, 10/60 constraints. Problems are: Problem set: 0 solved, 685 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/480 variables, 5/65 constraints. Problems are: Problem set: 0 solved, 685 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/480 variables, 20/85 constraints. Problems are: Problem set: 0 solved, 685 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/480 variables, 20/105 constraints. Problems are: Problem set: 0 solved, 685 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 480/1110 variables, and 110 constraints, problems are : Problem set: 0 solved, 685 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 0/480 constraints, ReadFeed: 0/116 constraints, PredecessorRefiner: 0/685 constraints, Known Traps: 91/91 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60217ms problems are : Problem set: 0 solved, 685 unsolved
Search for dead transitions found 0 dead transitions in 60223ms
Finished structural reductions in LTL mode , in 1 iterations and 61054 ms. Remains : 480/480 places, 690/690 transitions.
Starting structural reductions in LTL mode, iteration 0 : 480/480 places, 690/690 transitions.
Applied a total of 0 rules in 7 ms. Remains 480 /480 variables (removed 0) and now considering 690/690 (removed 0) transitions.
[2026-05-26 15:10:15] [INFO ] Flow matrix only has 630 transitions (discarded 60 similar events)
[2026-05-26 15:10:15] [INFO ] Invariant cache hit.
[2026-05-26 15:10:15] [INFO ] Implicit Places using invariants in 175 ms returned []
[2026-05-26 15:10:15] [INFO ] Flow matrix only has 630 transitions (discarded 60 similar events)
[2026-05-26 15:10:15] [INFO ] Invariant cache hit.
[2026-05-26 15:10:15] [INFO ] State equation strengthened by 116 read => feed constraints.
[2026-05-26 15:10:16] [INFO ] Implicit Places using invariants and state equation in 483 ms returned []
Implicit Place search using SMT with State Equation took 660 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 668 ms. Remains : 480/480 places, 690/690 transitions.
Support contains 425 out of 480 places after structural reductions.
[2026-05-26 15:10:16] [INFO ] Flatten gal took : 44 ms
[2026-05-26 15:10:16] [INFO ] Flatten gal took : 35 ms
[2026-05-26 15:10:16] [INFO ] Input system was already deterministic with 690 transitions.
Support contains 325 out of 480 places (down from 425) after GAL structural reductions.
RANDOM walk for 40000 steps (8 resets) in 941 ms. (42 steps per ms) remains 2/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 143 ms. (277 steps per ms) remains 1/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 108 ms. (367 steps per ms) remains 1/1 properties
[2026-05-26 15:10:16] [INFO ] Flow matrix only has 630 transitions (discarded 60 similar events)
[2026-05-26 15:10:16] [INFO ] Invariant cache hit.
[2026-05-26 15:10:16] [INFO ] State equation strengthened by 116 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem AtomicPropp8 is UNSAT
After SMT solving in domain Real declared 450/1110 variables, and 5 constraints, problems are : Problem set: 1 solved, 0 unsolved in 62 ms.
Refiners :[Positive P Invariants (semi-flows): 5/14 constraints, Generalized P Invariants (flows): 0/5 constraints, State Equation: 0/480 constraints, ReadFeed: 0/116 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 69ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 1 atomic propositions for a total of 6 simplifications.
Computed a total of 0 stabilizing places and 0 stable 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)))'
Support contains 20 out of 480 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 480/480 places, 690/690 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 196 transitions
Trivial Post-agglo rules discarded 196 transitions
Performed 196 trivial Post agglomeration. Transition count delta: 196
Iterating post reduction 0 with 196 rules applied. Total rules applied 196 place count 480 transition count 494
Reduce places removed 196 places and 0 transitions.
Iterating post reduction 1 with 196 rules applied. Total rules applied 392 place count 284 transition count 494
Performed 84 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 84 Pre rules applied. Total rules applied 392 place count 284 transition count 410
Deduced a syphon composed of 84 places in 1 ms
Reduce places removed 84 places and 0 transitions.
Iterating global reduction 2 with 168 rules applied. Total rules applied 560 place count 200 transition count 410
Applied a total of 560 rules in 48 ms. Remains 200 /480 variables (removed 280) and now considering 410/690 (removed 280) transitions.
[2026-05-26 15:10:17] [INFO ] Flow matrix only has 350 transitions (discarded 60 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12867388295671748893.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5560520476653933501.kers'
[2026-05-26 15:10:17] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12867388295671748893.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5560520476653933501.kers]
Culling duplicate invariants (modulo rational): removing 10 columns.
Culled 10 columns in 0 ms.
// Phase 1: matrix 350 rows 190 cols 860 entries
Finished phase 1 with 181 SingleSign rule and 0 generalized
[2026-05-26 15:10:17] [INFO ] Computed 19 invariants in 1 ms
Computed 19 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-5560520476653933501.kers
Total runtime 2 ms.
[2026-05-26 15:10:17] [INFO ] Implicit Places using invariants in 133 ms returned [0, 1, 2, 3, 4]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 136 ms to find 5 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 195/480 places, 410/690 transitions.
Applied a total of 0 rules in 15 ms. Remains 195 /195 variables (removed 0) and now considering 410/410 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 199 ms. Remains : 195/480 places, 410/690 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)))'
Stuttering acceptance computed with spot in 194 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Peterson-COL-4-LTLCardinality-01
Product exploration explored 100000 steps with 9020 reset in 330 ms.
Stack based approach found an accepted trace after 67 steps with 5 reset with depth 12 and stack size 12 in 0 ms.
FORMULA Peterson-COL-4-LTLCardinality-01 FALSE TECHNIQUES STACK_TEST
Treatment of property Peterson-COL-4-LTLCardinality-01 finished in 800 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(F(p0))||G(p1))))'
Support contains 45 out of 480 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 480/480 places, 690/690 transitions.
Applied a total of 0 rules in 26 ms. Remains 480 /480 variables (removed 0) and now considering 690/690 (removed 0) transitions.
[2026-05-26 15:10:17] [INFO ] Flow matrix only has 630 transitions (discarded 60 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2607076974891462368.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2436699239709497875.kers'
[2026-05-26 15:10:17] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2607076974891462368.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2436699239709497875.kers]
Culling duplicate invariants (modulo rational): removing 10 columns.
Culled 10 columns in 0 ms.
// Phase 1: matrix 630 rows 470 cols 1420 entries
Finished phase 1 with 461 SingleSign rule and 0 generalized
[2026-05-26 15:10:17] [INFO ] Computed 19 invariants in 2 ms
Computed 19 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-2436699239709497875.kers
Total runtime 3 ms.
[2026-05-26 15:10:18] [INFO ] Implicit Places using invariants in 237 ms returned []
[2026-05-26 15:10:18] [INFO ] Flow matrix only has 630 transitions (discarded 60 similar events)
[2026-05-26 15:10:18] [INFO ] Invariant cache hit.
[2026-05-26 15:10:18] [INFO ] State equation strengthened by 116 read => feed constraints.
[2026-05-26 15:10:18] [INFO ] Implicit Places using invariants and state equation in 726 ms returned []
Implicit Place search using SMT with State Equation took 965 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 993 ms. Remains : 480/480 places, 690/690 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(F(p0))||G(p1))))'
Stuttering acceptance computed with spot in 196 ms :[(NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : Peterson-COL-4-LTLCardinality-02
Product exploration explored 100000 steps with 33333 reset in 323 ms.
Product exploration explored 100000 steps with 33333 reset in 325 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 17 ms. Proved property starting from automaton with 4 states, 6 edges and 2 AP (stutter sensitive
Knowledge-based reduction took 34 ms.
FORMULA Peterson-COL-4-LTLCardinality-02 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Peterson-COL-4-LTLCardinality-02 finished in 1909 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(p0))'
Support contains 200 out of 480 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 480/480 places, 690/690 transitions.
Performed 80 Post agglomeration using F-continuation condition.Transition count delta: 80
Iterating post reduction 0 with 80 rules applied. Total rules applied 80 place count 480 transition count 610
Reduce places removed 80 places and 0 transitions.
Iterating post reduction 1 with 80 rules applied. Total rules applied 160 place count 400 transition count 610
Performed 25 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 25 Pre rules applied. Total rules applied 160 place count 400 transition count 585
Deduced a syphon composed of 25 places in 1 ms
Reduce places removed 25 places and 0 transitions.
Iterating global reduction 2 with 50 rules applied. Total rules applied 210 place count 375 transition count 585
Applied a total of 210 rules in 44 ms. Remains 375 /480 variables (removed 105) and now considering 585/690 (removed 105) transitions.
[2026-05-26 15:10:19] [INFO ] Flow matrix only has 525 transitions (discarded 60 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2723986718010995741.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3868673320128277030.kers'
[2026-05-26 15:10:19] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2723986718010995741.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3868673320128277030.kers]
Culling duplicate invariants (modulo rational): removing 10 columns.
Culled 10 columns in 0 ms.
// Phase 1: matrix 525 rows 365 cols 1210 entries
Finished phase 1 with 356 SingleSign rule and 0 generalized
[2026-05-26 15:10:19] [INFO ] Computed 19 invariants in 1 ms
Computed 19 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-3868673320128277030.kers
Total runtime 2 ms.
[2026-05-26 15:10:19] [INFO ] Implicit Places using invariants in 144 ms returned [0, 1, 2, 3, 4]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 146 ms to find 5 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 370/480 places, 585/690 transitions.
Applied a total of 0 rules in 15 ms. Remains 370 /370 variables (removed 0) and now considering 585/585 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 205 ms. Remains : 370/480 places, 585/690 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(p0))'
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
Running random walk in product with property : Peterson-COL-4-LTLCardinality-04
Product exploration explored 100000 steps with 1492 reset in 371 ms.
Stack based approach found an accepted trace after 137 steps with 2 reset with depth 18 and stack size 18 in 0 ms.
FORMULA Peterson-COL-4-LTLCardinality-04 FALSE TECHNIQUES STACK_TEST
Treatment of property Peterson-COL-4-LTLCardinality-04 finished in 635 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(p0)&&X(X(X(F(p1))))))'
Support contains 220 out of 480 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 480/480 places, 690/690 transitions.
Applied a total of 0 rules in 7 ms. Remains 480 /480 variables (removed 0) and now considering 690/690 (removed 0) transitions.
[2026-05-26 15:10:20] [INFO ] Flow matrix only has 630 transitions (discarded 60 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15038883881661525377.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7478655781585687505.kers'
[2026-05-26 15:10:20] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15038883881661525377.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7478655781585687505.kers]
Culling duplicate invariants (modulo rational): removing 10 columns.
Culled 10 columns in 0 ms.
// Phase 1: matrix 630 rows 470 cols 1420 entries
Finished phase 1 with 461 SingleSign rule and 0 generalized
[2026-05-26 15:10:20] [INFO ] Computed 19 invariants in 2 ms
Computed 19 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-7478655781585687505.kers
Total runtime 3 ms.
[2026-05-26 15:10:20] [INFO ] Implicit Places using invariants in 244 ms returned [0, 1, 2, 3, 4]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 248 ms to find 5 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 475/480 places, 690/690 transitions.
Applied a total of 0 rules in 6 ms. Remains 475 /475 variables (removed 0) and now considering 690/690 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 262 ms. Remains : 475/480 places, 690/690 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(p0)&&X(X(X(F(p1))))))'
Stuttering acceptance computed with spot in 409 ms :[(OR (NOT p1) (NOT p0)), (NOT p0), (NOT p1), (NOT p1), (NOT p1)]
Running random walk in product with property : Peterson-COL-4-LTLCardinality-05
Product exploration explored 100000 steps with 12277 reset in 327 ms.
Stack based approach found an accepted trace after 455 steps with 46 reset with depth 8 and stack size 8 in 1 ms.
FORMULA Peterson-COL-4-LTLCardinality-05 FALSE TECHNIQUES STACK_TEST
Treatment of property Peterson-COL-4-LTLCardinality-05 finished in 1039 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((G(p0) U p1)))'
Support contains 105 out of 480 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 480/480 places, 690/690 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 120 transitions
Trivial Post-agglo rules discarded 120 transitions
Performed 120 trivial Post agglomeration. Transition count delta: 120
Iterating post reduction 0 with 120 rules applied. Total rules applied 120 place count 480 transition count 570
Reduce places removed 120 places and 0 transitions.
Iterating post reduction 1 with 120 rules applied. Total rules applied 240 place count 360 transition count 570
Performed 85 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 85 Pre rules applied. Total rules applied 240 place count 360 transition count 485
Deduced a syphon composed of 85 places in 1 ms
Reduce places removed 85 places and 0 transitions.
Iterating global reduction 2 with 170 rules applied. Total rules applied 410 place count 275 transition count 485
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: 20
Deduced a syphon composed of 20 places in 0 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 2 with 40 rules applied. Total rules applied 450 place count 255 transition count 465
Applied a total of 450 rules in 31 ms. Remains 255 /480 variables (removed 225) and now considering 465/690 (removed 225) transitions.
[2026-05-26 15:10:21] [INFO ] Flow matrix only has 405 transitions (discarded 60 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7041096775041055882.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10717702270823501742.kers'
[2026-05-26 15:10:21] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7041096775041055882.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10717702270823501742.kers]
Culling duplicate invariants (modulo rational): removing 10 columns.
Culled 10 columns in 0 ms.
// Phase 1: matrix 405 rows 245 cols 970 entries
Finished phase 1 with 236 SingleSign rule and 0 generalized
[2026-05-26 15:10:21] [INFO ] Computed 19 invariants in 1 ms
Computed 19 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-10717702270823501742.kers
Total runtime 2 ms.
[2026-05-26 15:10:21] [INFO ] Implicit Places using invariants in 93 ms returned []
[2026-05-26 15:10:21] [INFO ] Flow matrix only has 405 transitions (discarded 60 similar events)
[2026-05-26 15:10:21] [INFO ] Invariant cache hit.
[2026-05-26 15:10:21] [INFO ] State equation strengthened by 116 read => feed constraints.
[2026-05-26 15:10:21] [INFO ] Implicit Places using invariants and state equation in 271 ms returned []
Implicit Place search using SMT with State Equation took 366 ms to find 0 implicit places.
[2026-05-26 15:10:21] [INFO ] Redundant transitions in 27 ms returned []
Running 460 sub problems to find dead transitions.
[2026-05-26 15:10:21] [INFO ] Flow matrix only has 405 transitions (discarded 60 similar events)
[2026-05-26 15:10:21] [INFO ] Invariant cache hit.
[2026-05-26 15:10:21] [INFO ] State equation strengthened by 116 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/250 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 460 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/250 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 460 unsolved
At refinement iteration 2 (OVERLAPS) 5/255 variables, 10/14 constraints. Problems are: Problem set: 0 solved, 460 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/255 variables, 5/19 constraints. Problems are: Problem set: 0 solved, 460 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/255 variables, 20/39 constraints. Problems are: Problem set: 0 solved, 460 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/255 variables, 20/59 constraints. Problems are: Problem set: 0 solved, 460 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/255 variables, 20/79 constraints. Problems are: Problem set: 0 solved, 460 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/255 variables, 20/99 constraints. Problems are: Problem set: 0 solved, 460 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/255 variables, 20/119 constraints. Problems are: Problem set: 0 solved, 460 unsolved
SMT process timed out in 30113ms, After SMT, problems are : Problem set: 0 solved, 460 unsolved
Search for dead transitions found 0 dead transitions in 30116ms
Starting structural reductions in SI_LTL mode, iteration 1 : 255/480 places, 465/690 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 30546 ms. Remains : 255/480 places, 465/690 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((G(p0) U p1)))'
Stuttering acceptance computed with spot in 120 ms :[(NOT p1), true, (NOT p0), (NOT p1)]
Running random walk in product with property : Peterson-COL-4-LTLCardinality-13
Entered a terminal (fully accepting) state of product in 22 steps with 0 reset in 1 ms.
FORMULA Peterson-COL-4-LTLCardinality-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Peterson-COL-4-LTLCardinality-13 finished in 30697 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 p1)||X(X(!p1)))))'
Support contains 180 out of 480 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 480/480 places, 690/690 transitions.
Applied a total of 0 rules in 9 ms. Remains 480 /480 variables (removed 0) and now considering 690/690 (removed 0) transitions.
[2026-05-26 15:10:52] [INFO ] Flow matrix only has 630 transitions (discarded 60 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11138219185834707538.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1987322521633982878.kers'
[2026-05-26 15:10:52] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11138219185834707538.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1987322521633982878.kers]
Culling duplicate invariants (modulo rational): removing 10 columns.
Culled 10 columns in 0 ms.
// Phase 1: matrix 630 rows 470 cols 1420 entries
Finished phase 1 with 461 SingleSign rule and 0 generalized
[2026-05-26 15:10:52] [INFO ] Computed 19 invariants in 2 ms
Computed 19 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-1987322521633982878.kers
Total runtime 3 ms.
[2026-05-26 15:10:52] [INFO ] Implicit Places using invariants in 201 ms returned [0, 1, 2, 3, 4]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 202 ms to find 5 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 475/480 places, 690/690 transitions.
Applied a total of 0 rules in 4 ms. Remains 475 /475 variables (removed 0) and now considering 690/690 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 215 ms. Remains : 475/480 places, 690/690 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 p1)||X(X(!p1)))))'
Stuttering acceptance computed with spot in 140 ms :[false, p1, false, p1, true]
Running random walk in product with property : Peterson-COL-4-LTLCardinality-14
Entered a terminal (fully accepting) state of product in 131 steps with 5 reset in 3 ms.
FORMULA Peterson-COL-4-LTLCardinality-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Peterson-COL-4-LTLCardinality-14 finished in 389 ms.
All properties solved by simple procedures.
Total runtime 99360 ms.

BK_STOP 1779808252566

--------------------
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-4"
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-4, 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-177969914200667"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Peterson-COL-4.tgz
mv Peterson-COL-4 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 ;