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.r354-tall-178024402800075.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 LastZero-COL-N26, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r354-tall-178024402800075
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 460K
-rw-r--r-- 1 mcc users 5.5K May 27 10:26 CTLCardinality.txt
-rw-r--r-- 1 mcc users 48K May 27 10:26 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K May 27 10:26 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K May 27 10:26 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K May 27 10:55 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K May 27 10:55 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 27 10:56 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 27 10:56 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 May 26 18:17 NewModel
-rw-r--r-- 1 mcc users 11K May 27 10:26 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 106K May 27 10:26 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 10K May 27 10:26 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 88K May 27 10:26 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 27 10:56 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 27 10:56 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 26 18:17 equiv_pt
-rw-r--r-- 1 mcc users 4 May 26 18:17 instance
-rw-r--r-- 1 mcc users 5 May 26 18:17 iscolored
-rw-r--r-- 1 mcc users 46K Jun 10 17:28 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 LastZero-COL-N26-LTLCardinality-00
FORMULA_NAME LastZero-COL-N26-LTLCardinality-01
FORMULA_NAME LastZero-COL-N26-LTLCardinality-02
FORMULA_NAME LastZero-COL-N26-LTLCardinality-03
FORMULA_NAME LastZero-COL-N26-LTLCardinality-04
FORMULA_NAME LastZero-COL-N26-LTLCardinality-05
FORMULA_NAME LastZero-COL-N26-LTLCardinality-06
FORMULA_NAME LastZero-COL-N26-LTLCardinality-07
FORMULA_NAME LastZero-COL-N26-LTLCardinality-08
FORMULA_NAME LastZero-COL-N26-LTLCardinality-09
FORMULA_NAME LastZero-COL-N26-LTLCardinality-10
FORMULA_NAME LastZero-COL-N26-LTLCardinality-11
FORMULA_NAME LastZero-COL-N26-LTLCardinality-12
FORMULA_NAME LastZero-COL-N26-LTLCardinality-13
FORMULA_NAME LastZero-COL-N26-LTLCardinality-14
FORMULA_NAME LastZero-COL-N26-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1781120564357

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=LastZero-COL-N26
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
LTLCardinality COL
Running Version 202604301425
[2026-06-10 19:42:45] [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]
[2026-06-10 19:42:45] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-06-10 19:42:45] [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.
[2026-06-10 19:42:45] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-06-10 19:42:46] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 564 ms
[2026-06-10 19:42:46] [INFO ] Imported 4 HL places and 3 HL transitions for a total of 1512 PT places and 21141.0 transition bindings in 20 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 12 ms.
Working with output stream class java.io.PrintStream
[2026-06-10 19:42:46] [INFO ] Built PT skeleton of HLPN with 4 places and 3 transitions 11 arcs in 5 ms.
[2026-06-10 19:42:46] [INFO ] Skeletonized 16 HLPN properties in 1 ms.
Initial state reduction rules removed 1 formulas.
FORMULA LastZero-COL-N26-LTLCardinality-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 4 stabilizing places and 2 stable transitions
Remains 15 properties that can be checked using skeleton over-approximation.
Reduce places removed 2 places and 0 transitions.
FORMULA LastZero-COL-N26-LTLCardinality-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-COL-N26-LTLCardinality-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-COL-N26-LTLCardinality-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-COL-N26-LTLCardinality-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-COL-N26-LTLCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40037 steps (724 resets) in 210 ms. (189 steps per ms) remains 3/11 properties
BEST_FIRST walk for 40000 steps (384 resets) in 231 ms. (172 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40000 steps (388 resets) in 347 ms. (114 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40000 steps (388 resets) in 252 ms. (158 steps per ms) remains 3/3 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1200223695908278669.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9813442851048957371.kers'
[2026-06-10 19:42:46] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1200223695908278669.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9813442851048957371.kers]
Normalized transition count is 2 out of 3 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 2 rows 2 cols 3 entries
Finished phase 1 with 2 SingleSign rule and 0 generalized
[2026-06-10 19:42:46] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-9813442851048957371.kers
Total runtime 1 ms.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Problem AtomicPropp5 is UNSAT
Problem AtomicPropp6 is UNSAT
Problem AtomicPropp9 is UNSAT
After SMT solving in domain Real declared 4/5 variables, and 2 constraints, problems are : Problem set: 3 solved, 0 unsolved in 133 ms.
Refiners :[State Equation: 2/2 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 178ms problems are : Problem set: 3 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 3 atomic propositions for a total of 9 simplifications.
FORMULA LastZero-COL-N26-LTLCardinality-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-06-10 19:42:47] [INFO ] Initial state reduction rules for LTL removed 2 formulas.
[2026-06-10 19:42:47] [INFO ] Flatten gal took : 12 ms
FORMULA LastZero-COL-N26-LTLCardinality-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-COL-N26-LTLCardinality-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-06-10 19:42:47] [INFO ] Flatten gal took : 1 ms
Domain [ID(27), ID(27)] of place array breaks symmetries in sort ID
[2026-06-10 19:42:47] [INFO ] Unfolded HLPN to a Petri net with 1512 places and 21035 transitions 64457 arcs in 141 ms.
[2026-06-10 19:42:47] [INFO ] Unfolded 7 HLPN properties in 2 ms.
Deduced a syphon composed of 730 places in 104 ms
Reduce places removed 730 places and 13781 transitions.
Reduce places removed 1 places and 0 transitions.
Support contains 377 out of 781 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 781/781 places, 7254/7254 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 780 transition count 7254
Applied a total of 1 rules in 61 ms. Remains 780 /781 variables (removed 1) and now considering 7254/7254 (removed 0) transitions.
[2026-06-10 19:42:47] [INFO ] Flow matrix only has 6929 transitions (discarded 325 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-585041603334507165.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6682098934175332704.kers'
[2026-06-10 19:42:47] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-585041603334507165.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6682098934175332704.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 3 ms.
// Phase 1: matrix 6929 rows 779 cols 19706 entries
Finished phase 1 with 754 SingleSign rule and 0 generalized
[2026-06-10 19:42:47] [INFO ] Computed 26 invariants in 20 ms
Computed 26 P flows in 21 ms.
Exported basis to /tmp/petrispot-output-6682098934175332704.kers
Total runtime 26 ms.
[2026-06-10 19:42:48] [INFO ] Implicit Places using invariants in 600 ms returned []
[2026-06-10 19:42:48] [INFO ] Flow matrix only has 6929 transitions (discarded 325 similar events)
[2026-06-10 19:42:48] [INFO ] Invariant cache hit.
[2026-06-10 19:42:49] [INFO ] State equation strengthened by 702 read => feed constraints.
[2026-06-10 19:43:19] [INFO ] Performed 298/780 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-06-10 19:43:35] [INFO ] Implicit Places using invariants and state equation in 47474 ms returned [350]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 48097 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 779/781 places, 7254/7254 transitions.
Applied a total of 0 rules in 26 ms. Remains 779 /779 variables (removed 0) and now considering 7254/7254 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 48191 ms. Remains : 779/781 places, 7254/7254 transitions.
Starting structural reductions in LTL mode, iteration 0 : 779/779 places, 7254/7254 transitions.
Applied a total of 0 rules in 24 ms. Remains 779 /779 variables (removed 0) and now considering 7254/7254 (removed 0) transitions.
[2026-06-10 19:43:35] [INFO ] Flow matrix only has 6929 transitions (discarded 325 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3874942769137719869.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6896025279523919202.kers'
[2026-06-10 19:43:35] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3874942769137719869.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6896025279523919202.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 2 ms.
// Phase 1: matrix 6929 rows 778 cols 19680 entries
Finished phase 1 with 754 SingleSign rule and 0 generalized
[2026-06-10 19:43:35] [INFO ] Computed 25 invariants in 17 ms
Computed 25 P flows in 30 ms.
Exported basis to /tmp/petrispot-output-6896025279523919202.kers
Total runtime 35 ms.
[2026-06-10 19:43:36] [INFO ] Implicit Places using invariants in 442 ms returned []
[2026-06-10 19:43:36] [INFO ] Flow matrix only has 6929 transitions (discarded 325 similar events)
[2026-06-10 19:43:36] [INFO ] Invariant cache hit.
[2026-06-10 19:43:37] [INFO ] State equation strengthened by 702 read => feed constraints.
[2026-06-10 19:44:05] [INFO ] Implicit Places using invariants and state equation in 29034 ms returned []
Implicit Place search using SMT with State Equation took 29479 ms to find 0 implicit places.
Running 7228 sub problems to find dead transitions.
[2026-06-10 19:44:05] [INFO ] Flow matrix only has 6929 transitions (discarded 325 similar events)
[2026-06-10 19:44:05] [INFO ] Invariant cache hit.
[2026-06-10 19:44:05] [INFO ] State equation strengthened by 702 read => feed constraints.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/778 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 7228 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 778/7708 variables, and 25 constraints, problems are : Problem set: 0 solved, 7228 unsolved in 30139 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, State Equation: 0/779 constraints, ReadFeed: 0/702 constraints, PredecessorRefiner: 7228/7228 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7228 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/778 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 7228 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 778/7708 variables, and 25 constraints, problems are : Problem set: 0 solved, 7228 unsolved in 30092 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, State Equation: 0/779 constraints, ReadFeed: 0/702 constraints, PredecessorRefiner: 0/7228 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 66956ms problems are : Problem set: 0 solved, 7228 unsolved
Search for dead transitions found 0 dead transitions in 67007ms
Finished structural reductions in LTL mode , in 1 iterations and 96568 ms. Remains : 779/779 places, 7254/7254 transitions.
Support contains 377 out of 779 places after structural reductions.
[2026-06-10 19:45:12] [INFO ] Flatten gal took : 364 ms
[2026-06-10 19:45:13] [INFO ] Flatten gal took : 236 ms
[2026-06-10 19:45:13] [INFO ] Input system was already deterministic with 7254 transitions.
RANDOM walk for 40000 steps (504 resets) in 943 ms. (42 steps per ms) remains 1/9 properties
BEST_FIRST walk for 40004 steps (44 resets) in 220 ms. (181 steps per ms) remains 1/1 properties
[2026-06-10 19:45:13] [INFO ] Flow matrix only has 6929 transitions (discarded 325 similar events)
[2026-06-10 19:45:13] [INFO ] Invariant cache hit.
[2026-06-10 19:45:13] [INFO ] State equation strengthened by 702 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem AtomicPropp5 is UNSAT
After SMT solving in domain Real declared 377/7708 variables, and 26 constraints, problems are : Problem set: 1 solved, 0 unsolved in 272 ms.
Refiners :[Positive P Invariants (semi-flows): 0/25 constraints, State Equation: 26/779 constraints, ReadFeed: 0/702 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 322ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
FORMULA LastZero-COL-N26-LTLCardinality-09 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 1 atomic propositions for a total of 6 simplifications.
Computed a total of 779 stabilizing places and 7254 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 779 transition count 7254
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
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((p0&&((p1 U p2)||X(G(!p2)))))))'
Support contains 377 out of 779 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 779/779 places, 7254/7254 transitions.
Applied a total of 0 rules in 18 ms. Remains 779 /779 variables (removed 0) and now considering 7254/7254 (removed 0) transitions.
[2026-06-10 19:45:14] [INFO ] Flow matrix only has 6929 transitions (discarded 325 similar events)
[2026-06-10 19:45:14] [INFO ] Invariant cache hit.
[2026-06-10 19:45:14] [INFO ] Implicit Places using invariants in 379 ms returned []
[2026-06-10 19:45:14] [INFO ] Flow matrix only has 6929 transitions (discarded 325 similar events)
[2026-06-10 19:45:14] [INFO ] Invariant cache hit.
[2026-06-10 19:45:15] [INFO ] State equation strengthened by 702 read => feed constraints.
[2026-06-10 19:45:43] [INFO ] Implicit Places using invariants and state equation in 28894 ms returned []
Implicit Place search using SMT with State Equation took 29277 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 29302 ms. Remains : 779/779 places, 7254/7254 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((p0&&((p1 U p2)||X(G(!p2)))))))'
Stuttering acceptance computed with spot in 308 ms :[true, false, (NOT p0), p2, (NOT p0), (NOT p0)]
Running random walk in product with property : LastZero-COL-N26-LTLCardinality-00
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 3 ms.
FORMULA LastZero-COL-N26-LTLCardinality-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property LastZero-COL-N26-LTLCardinality-00 finished in 29709 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&&F(p1)))&&F((G(F(p1))||(F(p1)&&X(p2))))))'
Support contains 377 out of 779 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 779/779 places, 7254/7254 transitions.
Applied a total of 0 rules in 15 ms. Remains 779 /779 variables (removed 0) and now considering 7254/7254 (removed 0) transitions.
[2026-06-10 19:45:44] [INFO ] Flow matrix only has 6929 transitions (discarded 325 similar events)
[2026-06-10 19:45:44] [INFO ] Invariant cache hit.
[2026-06-10 19:45:44] [INFO ] Implicit Places using invariants in 350 ms returned []
[2026-06-10 19:45:44] [INFO ] Flow matrix only has 6929 transitions (discarded 325 similar events)
[2026-06-10 19:45:44] [INFO ] Invariant cache hit.
[2026-06-10 19:45:45] [INFO ] State equation strengthened by 702 read => feed constraints.
[2026-06-10 19:46:13] [INFO ] Implicit Places using invariants and state equation in 29085 ms returned []
Implicit Place search using SMT with State Equation took 29439 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 29460 ms. Remains : 779/779 places, 7254/7254 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&&F(p1)))&&F((G(F(p1))||(F(p1)&&X(p2))))))'
Stuttering acceptance computed with spot in 138 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : LastZero-COL-N26-LTLCardinality-01
Product exploration explored 100000 steps with 39393 reset in 2092 ms.
Product exploration explored 100000 steps with 39425 reset in 1875 ms.
Computed a total of 779 stabilizing places and 7254 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 779 transition count 7254
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge based reduction with 12 factoid took 341 ms. Reduced automaton from 4 states, 8 edges and 3 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
RANDOM walk for 12 steps (0 resets) in 11 ms. (1 steps per ms) remains 0/1 properties
Knowledge based reduction with 12 factoid took 324 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 109 ms :[(NOT p1), (NOT p1), (NOT p1)]
[2026-06-10 19:46:19] [INFO ] Flow matrix only has 6929 transitions (discarded 325 similar events)
[2026-06-10 19:46:20] [INFO ] Invariant cache hit.
[2026-06-10 19:46:32] [INFO ] [Real]Absence check using 25 positive place invariants in 324 ms returned unsat
Proved EG (NOT p1) asserting that LTL formula F !(NOT p1) is false.
Negative knowledge disproves property using: (F p1)
Knowledge-based reduction took 14989 ms.
FORMULA LastZero-COL-N26-LTLCardinality-01 FALSE TECHNIQUES NEGATIVE_KNOWLEDGE
Treatment of property LastZero-COL-N26-LTLCardinality-01 finished in 48620 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((F(p0)||X(X(p1)))))'
Support contains 377 out of 779 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 779/779 places, 7254/7254 transitions.
Applied a total of 0 rules in 19 ms. Remains 779 /779 variables (removed 0) and now considering 7254/7254 (removed 0) transitions.
[2026-06-10 19:46:32] [INFO ] Flow matrix only has 6929 transitions (discarded 325 similar events)
[2026-06-10 19:46:32] [INFO ] Invariant cache hit.
[2026-06-10 19:46:33] [INFO ] Implicit Places using invariants in 351 ms returned []
[2026-06-10 19:46:33] [INFO ] Flow matrix only has 6929 transitions (discarded 325 similar events)
[2026-06-10 19:46:33] [INFO ] Invariant cache hit.
[2026-06-10 19:46:34] [INFO ] State equation strengthened by 702 read => feed constraints.
[2026-06-10 19:47:01] [INFO ] Implicit Places using invariants and state equation in 28396 ms returned []
Implicit Place search using SMT with State Equation took 28752 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 28774 ms. Remains : 779/779 places, 7254/7254 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((F(p0)||X(X(p1)))))'
Stuttering acceptance computed with spot in 190 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : LastZero-COL-N26-LTLCardinality-06
Product exploration explored 100000 steps with 32900 reset in 1089 ms.
Product exploration explored 100000 steps with 32887 reset in 1169 ms.
Computed a total of 779 stabilizing places and 7254 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 779 transition count 7254
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge based reduction with 4 factoid took 77 ms. Reduced automaton from 5 states, 5 edges and 2 AP (stutter sensitive) to 5 states, 5 edges and 2 AP (stutter sensitive).
RANDOM walk for 215 steps (0 resets) in 22 ms. (9 steps per ms) remains 0/3 properties
Knowledge based reduction with 4 factoid took 111 ms. Reduced automaton from 5 states, 5 edges and 2 AP (stutter sensitive) to 5 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 177 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0)]
Knowledge-based reduction took 1530 ms.
Stuttering acceptance computed with spot in 185 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0)]
Support contains 377 out of 779 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 779/779 places, 7254/7254 transitions.
Applied a total of 0 rules in 19 ms. Remains 779 /779 variables (removed 0) and now considering 7254/7254 (removed 0) transitions.
[2026-06-10 19:47:05] [INFO ] Flow matrix only has 6929 transitions (discarded 325 similar events)
[2026-06-10 19:47:05] [INFO ] Invariant cache hit.
[2026-06-10 19:47:06] [INFO ] Implicit Places using invariants in 349 ms returned []
[2026-06-10 19:47:06] [INFO ] Flow matrix only has 6929 transitions (discarded 325 similar events)
[2026-06-10 19:47:06] [INFO ] Invariant cache hit.
[2026-06-10 19:47:07] [INFO ] State equation strengthened by 702 read => feed constraints.
[2026-06-10 19:47:34] [INFO ] Implicit Places using invariants and state equation in 28777 ms returned []
Implicit Place search using SMT with State Equation took 29129 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 29151 ms. Remains : 779/779 places, 7254/7254 transitions.
Computed a total of 779 stabilizing places and 7254 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 779 transition count 7254
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge based reduction with 3 factoid took 91 ms. Reduced automaton from 5 states, 5 edges and 2 AP (stutter sensitive) to 5 states, 5 edges and 2 AP (stutter sensitive).
RANDOM walk for 210 steps (0 resets) in 12 ms. (16 steps per ms) remains 0/3 properties
Knowledge based reduction with 3 factoid took 133 ms. Reduced automaton from 5 states, 5 edges and 2 AP (stutter sensitive) to 5 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 182 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0)]
Knowledge-based reduction took 1518 ms.
Stuttering acceptance computed with spot in 206 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0)]
Stuttering acceptance computed with spot in 246 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0)]
Product exploration explored 100000 steps with 32904 reset in 966 ms.
Product exploration explored 100000 steps with 32927 reset in 874 ms.
Spot run failed in 77 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/autstates.py", line 2, in
import spot
ModuleNotFoundError: No module named 'spot'
java.io.IOException
at fr.lip6.move.gal.application.runner.spot.SpotRunner.computeForwardClosedSI(SpotRunner.java:551)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.treatPartialPOR(LTLPropertySolver.java:419)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:280)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:217)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:66)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:849)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
Built C files in :
/tmp/ltsmin9049760496850697751
[2026-06-10 19:47:39] [INFO ] Built C files in 106ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin9049760496850697751
Running compilation step : cd /tmp/ltsmin9049760496850697751;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin9049760496850697751;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin9049760496850697751;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:94)
at java.base/java.lang.Thread.run(Thread.java:1583)
Support contains 377 out of 779 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 779/779 places, 7254/7254 transitions.
Applied a total of 0 rules in 14 ms. Remains 779 /779 variables (removed 0) and now considering 7254/7254 (removed 0) transitions.
[2026-06-10 19:47:42] [INFO ] Flow matrix only has 6929 transitions (discarded 325 similar events)
[2026-06-10 19:47:42] [INFO ] Invariant cache hit.
[2026-06-10 19:47:42] [INFO ] Implicit Places using invariants in 364 ms returned []
[2026-06-10 19:47:42] [INFO ] Flow matrix only has 6929 transitions (discarded 325 similar events)
[2026-06-10 19:47:42] [INFO ] Invariant cache hit.
[2026-06-10 19:47:43] [INFO ] State equation strengthened by 702 read => feed constraints.
[2026-06-10 19:48:11] [INFO ] Implicit Places using invariants and state equation in 28944 ms returned []
Implicit Place search using SMT with State Equation took 29310 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 29325 ms. Remains : 779/779 places, 7254/7254 transitions.
Built C files in :
/tmp/ltsmin12786836618554770337
[2026-06-10 19:48:11] [INFO ] Built C files in 60ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin12786836618554770337
Running compilation step : cd /tmp/ltsmin12786836618554770337;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin12786836618554770337;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin12786836618554770337;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:94)
at java.base/java.lang.Thread.run(Thread.java:1583)
[2026-06-10 19:48:14] [INFO ] Flatten gal took : 128 ms
[2026-06-10 19:48:15] [INFO ] Flatten gal took : 181 ms
[2026-06-10 19:48:15] [INFO ] Time to serialize gal into /tmp/LTL10165726865040438848.gal : 52 ms
[2026-06-10 19:48:15] [INFO ] Time to serialize properties into /tmp/LTL16401663113921403455.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL10165726865040438848.gal' '-t' 'CGAL' '-hoa' '/tmp/aut940608677672428645.hoa' '-atoms' '/tmp/LTL16401663113921403455.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...318
Loading property file /tmp/LTL16401663113921403455.prop.
Loaded 2 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut940608677672428645.hoa
Detected timeout of ITS tools.
[2026-06-10 19:48:30] [INFO ] Flatten gal took : 116 ms
[2026-06-10 19:48:30] [INFO ] Flatten gal took : 117 ms
[2026-06-10 19:48:30] [INFO ] Time to serialize gal into /tmp/LTL14759722267497898645.gal : 34 ms
[2026-06-10 19:48:30] [INFO ] Time to serialize properties into /tmp/LTL5505232962436852088.ltl : 4 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL14759722267497898645.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL5505232962436852088.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...276
Read 1 LTL properties
Checking formula 0 : !((X((F("((((((((((tmp_28+tmp_55)+(tmp_56+tmp_82))+((tmp_83+tmp_84)+(tmp_109+tmp_110)))+(((tmp_111+tmp_112)+(tmp_136+tmp_137))+((tmp_1...3885
Formula 0 simplified : X(G!"((((((((((tmp_28+tmp_55)+(tmp_56+tmp_82))+((tmp_83+tmp_84)+(tmp_109+tmp_110)))+(((tmp_111+tmp_112)+(tmp_136+tmp_137))+((tmp_138...3875
Detected timeout of ITS tools.
[2026-06-10 19:48:45] [INFO ] Flatten gal took : 113 ms
[2026-06-10 19:48:45] [INFO ] Applying decomposition
[2026-06-10 19:48:45] [INFO ] Flatten gal took : 112 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph5201799449075230558.txt' '-o' '/tmp/graph5201799449075230558.bin' '-w' '/tmp/graph5201799449075230558.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph5201799449075230558.bin' '-l' '-1' '-v' '-w' '/tmp/graph5201799449075230558.weights' '-q' '0' '-e' '0.001'
[2026-06-10 19:48:46] [INFO ] Decomposing Gal with order
[2026-06-10 19:48:46] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-06-10 19:48:51] [INFO ] Removed a total of 7657 redundant transitions.
[2026-06-10 19:48:51] [INFO ] Flatten gal took : 4987 ms
[2026-06-10 19:48:54] [INFO ] Fuse similar labels procedure discarded/fused a total of 28312 labels/synchronizations in 2105 ms.
[2026-06-10 19:48:55] [INFO ] Time to serialize gal into /tmp/LTL2698504013188765458.gal : 41 ms
[2026-06-10 19:48:55] [INFO ] Time to serialize properties into /tmp/LTL7185876521004753117.ltl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL2698504013188765458.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL7185876521004753117.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...275
Read 1 LTL properties
Checking formula 0 : !((X((F("((((((((((gu33.tmp_28+gu33.tmp_55)+(gu33.tmp_56+gu33.tmp_82))+((gu33.tmp_83+gu33.tmp_84)+(gu33.tmp_109+gu33.tmp_110)))+(((gu3...5770
Formula 0 simplified : X(G!"((((((((((gu33.tmp_28+gu33.tmp_55)+(gu33.tmp_56+gu33.tmp_82))+((gu33.tmp_83+gu33.tmp_84)+(gu33.tmp_109+gu33.tmp_110)))+(((gu33....5760
Detected timeout of ITS tools.
Treatment of property LastZero-COL-N26-LTLCardinality-06 finished in 157508 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&&(p1||(!p1 U p0)))))))'
Support contains 377 out of 779 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 779/779 places, 7254/7254 transitions.
Applied a total of 0 rules in 17 ms. Remains 779 /779 variables (removed 0) and now considering 7254/7254 (removed 0) transitions.
[2026-06-10 19:49:10] [INFO ] Flow matrix only has 6929 transitions (discarded 325 similar events)
[2026-06-10 19:49:10] [INFO ] Invariant cache hit.
[2026-06-10 19:49:10] [INFO ] Implicit Places using invariants in 429 ms returned []
[2026-06-10 19:49:10] [INFO ] Flow matrix only has 6929 transitions (discarded 325 similar events)
[2026-06-10 19:49:10] [INFO ] Invariant cache hit.
[2026-06-10 19:49:11] [INFO ] State equation strengthened by 702 read => feed constraints.
[2026-06-10 19:49:39] [INFO ] Implicit Places using invariants and state equation in 28625 ms returned []
Implicit Place search using SMT with State Equation took 29066 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 29084 ms. Remains : 779/779 places, 7254/7254 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&&(p1||(!p1 U !p0)))))))'
Stuttering acceptance computed with spot in 206 ms :[(OR (NOT p0) (NOT p1)), p0, (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), true, (OR (NOT p1) (NOT p0))]
Running random walk in product with property : LastZero-COL-N26-LTLCardinality-07
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA LastZero-COL-N26-LTLCardinality-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property LastZero-COL-N26-LTLCardinality-07 finished in 29338 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 U p1)||X(X(p2))))))'
Support contains 377 out of 779 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 779/779 places, 7254/7254 transitions.
Applied a total of 0 rules in 16 ms. Remains 779 /779 variables (removed 0) and now considering 7254/7254 (removed 0) transitions.
[2026-06-10 19:49:39] [INFO ] Flow matrix only has 6929 transitions (discarded 325 similar events)
[2026-06-10 19:49:39] [INFO ] Invariant cache hit.
[2026-06-10 19:49:40] [INFO ] Implicit Places using invariants in 349 ms returned []
[2026-06-10 19:49:40] [INFO ] Flow matrix only has 6929 transitions (discarded 325 similar events)
[2026-06-10 19:49:40] [INFO ] Invariant cache hit.
[2026-06-10 19:49:41] [INFO ] State equation strengthened by 702 read => feed constraints.
[2026-06-10 19:50:09] [INFO ] Implicit Places using invariants and state equation in 28949 ms returned []
Implicit Place search using SMT with State Equation took 29302 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 29321 ms. Remains : 779/779 places, 7254/7254 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 U p1)||X(X(p2))))))'
Stuttering acceptance computed with spot in 315 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), false]
Running random walk in product with property : LastZero-COL-N26-LTLCardinality-12
Stuttering criterion allowed to conclude after 78 steps with 0 reset in 1 ms.
FORMULA LastZero-COL-N26-LTLCardinality-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property LastZero-COL-N26-LTLCardinality-12 finished in 29697 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(G((p0||X((!p1 U (p2||G(!p1))))))))'
Support contains 377 out of 779 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 779/779 places, 7254/7254 transitions.
Applied a total of 0 rules in 16 ms. Remains 779 /779 variables (removed 0) and now considering 7254/7254 (removed 0) transitions.
[2026-06-10 19:50:09] [INFO ] Flow matrix only has 6929 transitions (discarded 325 similar events)
[2026-06-10 19:50:09] [INFO ] Invariant cache hit.
[2026-06-10 19:50:09] [INFO ] Implicit Places using invariants in 375 ms returned []
[2026-06-10 19:50:09] [INFO ] Flow matrix only has 6929 transitions (discarded 325 similar events)
[2026-06-10 19:50:09] [INFO ] Invariant cache hit.
[2026-06-10 19:50:10] [INFO ] State equation strengthened by 702 read => feed constraints.
[2026-06-10 19:50:38] [INFO ] Implicit Places using invariants and state equation in 28963 ms returned []
Implicit Place search using SMT with State Equation took 29342 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 29358 ms. Remains : 779/779 places, 7254/7254 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(G((p0||X((!p1 U (p2||G(!p1))))))))'
Stuttering acceptance computed with spot in 135 ms :[true, (AND p1 (NOT p2)), (AND (NOT p2) p1 (NOT p0)), (AND (NOT p0) (NOT p2) p1)]
Running random walk in product with property : LastZero-COL-N26-LTLCardinality-14
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA LastZero-COL-N26-LTLCardinality-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property LastZero-COL-N26-LTLCardinality-14 finished in 29549 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((F(p0)||X(X(p1)))))'
Spot run failed in 42 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/senseclsl.py", line 2, in
import spot, sys
ModuleNotFoundError: No module named 'spot'
Warning : SL/CL computation failed.
[2026-06-10 19:50:39] [INFO ] Flatten gal took : 263 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin12804802178530924390
[2026-06-10 19:50:39] [INFO ] Too many transitions (7254) to apply POR reductions. Disabling POR matrices.
[2026-06-10 19:50:39] [INFO ] Applying decomposition
[2026-06-10 19:50:39] [INFO ] Built C files in 158ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin12804802178530924390
Running compilation step : cd /tmp/ltsmin12804802178530924390;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '720' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
[2026-06-10 19:50:39] [INFO ] Flatten gal took : 196 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph6879253313554169231.txt' '-o' '/tmp/graph6879253313554169231.bin' '-w' '/tmp/graph6879253313554169231.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph6879253313554169231.bin' '-l' '-1' '-v' '-w' '/tmp/graph6879253313554169231.weights' '-q' '0' '-e' '0.001'
[2026-06-10 19:50:40] [INFO ] Decomposing Gal with order
[2026-06-10 19:50:40] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-06-10 19:50:46] [INFO ] Removed a total of 7625 redundant transitions.
[2026-06-10 19:50:46] [INFO ] Flatten gal took : 6113 ms
[2026-06-10 19:50:48] [INFO ] Fuse similar labels procedure discarded/fused a total of 24215 labels/synchronizations in 1841 ms.
[2026-06-10 19:50:49] [INFO ] Time to serialize gal into /tmp/LTLCardinality6883238260710289481.gal : 25 ms
[2026-06-10 19:50:49] [INFO ] Time to serialize properties into /tmp/LTLCardinality14070253014451680535.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTLCardinality6883238260710289481.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLCardinality14070253014451680535.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...298
Read 1 LTL properties
Checking formula 0 : !((X((F("((((((((((gu37.tmp_28+gu37.tmp_55)+(gu37.tmp_56+gu37.tmp_82))+((gu37.tmp_83+gu37.tmp_84)+(gu37.tmp_109+gu37.tmp_110)))+(((gu3...5770
Formula 0 simplified : X(G!"((((((((((gu37.tmp_28+gu37.tmp_55)+(gu37.tmp_56+gu37.tmp_82))+((gu37.tmp_83+gu37.tmp_84)+(gu37.tmp_109+gu37.tmp_110)))+(((gu37....5760
Compilation finished in 28609 ms.
Running link step : cd /tmp/ltsmin12804802178530924390;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 84 ms.
Running LTSmin : cd /tmp/ltsmin12804802178530924390;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--ltl' 'X((<>((LTLAPp0==true))||X(X((LTLAPp1==true)))))' '--buchi-type=spotba'
LTSmin run took 1557 ms.
FORMULA LastZero-COL-N26-LTLCardinality-06 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
ITS tools runner thread asked to quit. Dying gracefully.
Total runtime 504295 ms.

BK_STOP 1781121070220

--------------------
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
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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="LastZero-COL-N26"
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 LastZero-COL-N26, 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 r354-tall-178024402800075"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/LastZero-COL-N26.tgz
mv LastZero-COL-N26 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 ;