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.r210-smll-177969941900019.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 Philosophers-COL-000020, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r210-smll-177969941900019
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 476K
-rw-r--r-- 1 mcc users 8.4K Mar 5 13:09 CTLCardinality.txt
-rw-r--r-- 1 mcc users 89K Mar 5 13:09 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K Mar 5 13:09 CTLFireability.txt
-rw-r--r-- 1 mcc users 39K Mar 5 13:09 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.6K Mar 16 08:35 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 16 08:35 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 16 08:36 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 16 08:36 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.9K Mar 5 13:10 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 98K Mar 5 13:10 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 5 13:09 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 94K Mar 5 13:09 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 16 08:36 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 16 08:36 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_pt
-rw-r--r-- 1 mcc users 7 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 11K 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 Philosophers-COL-000020-LTLCardinality-00
FORMULA_NAME Philosophers-COL-000020-LTLCardinality-01
FORMULA_NAME Philosophers-COL-000020-LTLCardinality-02
FORMULA_NAME Philosophers-COL-000020-LTLCardinality-03
FORMULA_NAME Philosophers-COL-000020-LTLCardinality-04
FORMULA_NAME Philosophers-COL-000020-LTLCardinality-05
FORMULA_NAME Philosophers-COL-000020-LTLCardinality-06
FORMULA_NAME Philosophers-COL-000020-LTLCardinality-07
FORMULA_NAME Philosophers-COL-000020-LTLCardinality-08
FORMULA_NAME Philosophers-COL-000020-LTLCardinality-09
FORMULA_NAME Philosophers-COL-000020-LTLCardinality-10
FORMULA_NAME Philosophers-COL-000020-LTLCardinality-11
FORMULA_NAME Philosophers-COL-000020-LTLCardinality-12
FORMULA_NAME Philosophers-COL-000020-LTLCardinality-13
FORMULA_NAME Philosophers-COL-000020-LTLCardinality-14
FORMULA_NAME Philosophers-COL-000020-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1779782416204

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Philosophers-COL-000020
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
LTLCardinality COL
Running Version 202604301425
[2026-05-26 08:00:17] [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 08:00:17] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-26 08:00:18] [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 08:00:18] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-26 08:00:18] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 799 ms
[2026-05-26 08:00:18] [INFO ] Imported 5 HL places and 5 HL transitions for a total of 100 PT places and 100.0 transition bindings in 29 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 22 ms.
Working with output stream class java.io.PrintStream
[2026-05-26 08:00:19] [INFO ] Built PT skeleton of HLPN with 5 places and 5 transitions 15 arcs in 7 ms.
[2026-05-26 08:00:19] [INFO ] Skeletonized 16 HLPN properties in 2 ms.
Initial state reduction rules removed 4 formulas.
FORMULA Philosophers-COL-000020-LTLCardinality-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Philosophers-COL-000020-LTLCardinality-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Philosophers-COL-000020-LTLCardinality-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Philosophers-COL-000020-LTLCardinality-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 0 stabilizing places and 0 stable transitions
Remains 12 properties that can be checked using skeleton over-approximation.
Computed a total of 0 stabilizing places and 0 stable transitions
RANDOM walk for 40048 steps (1814 resets) in 299 ms. (133 steps per ms) remains 1/18 properties
BEST_FIRST walk for 100 steps (0 resets) in 7 ms. (12 steps per ms) remains 0/1 properties
[2026-05-26 08:00:19] [INFO ] Flatten gal took : 20 ms
[2026-05-26 08:00:19] [INFO ] Flatten gal took : 3 ms
Arc [1:1*[(MOD (ADD (MOD (MINUS $x 1) 20) 20) 20)]] contains successor/predecessor on variables of sort Philo
[2026-05-26 08:00:19] [INFO ] Unfolded HLPN to a Petri net with 100 places and 100 transitions 320 arcs in 25 ms.
[2026-05-26 08:00:19] [INFO ] Unfolded 12 HLPN properties in 0 ms.
Support contains 100 out of 100 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 100/100 transitions.
Applied a total of 0 rules in 8 ms. Remains 100 /100 variables (removed 0) and now considering 100/100 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4215912952421193140.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17483620921149965550.kers'
[2026-05-26 08:00:19] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4215912952421193140.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17483620921149965550.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 100 rows 100 cols 320 entries
Finished phase 1 with 60 SingleSign rule and 0 generalized
[2026-05-26 08:00:19] [INFO ] Computed 40 invariants in 0 ms
Computed 40 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-17483620921149965550.kers
Total runtime 2 ms.
[2026-05-26 08:00:19] [INFO ] Implicit Places using invariants in 249 ms returned []
[2026-05-26 08:00:19] [INFO ] Invariant cache hit.
[2026-05-26 08:00:20] [INFO ] Implicit Places using invariants and state equation in 186 ms returned []
Implicit Place search using SMT with State Equation took 480 ms to find 0 implicit places.
Running 60 sub problems to find dead transitions.
[2026-05-26 08:00:20] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (OVERLAPS) 20/100 variables, 20/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/100 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (OVERLAPS) 100/200 variables, 100/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/200 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (OVERLAPS) 0/200 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Real declared 200/200 variables, and 140 constraints, problems are : Problem set: 0 solved, 60 unsolved in 3558 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 60 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (OVERLAPS) 20/100 variables, 20/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/100 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (OVERLAPS) 100/200 variables, 100/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/200 variables, 60/200 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/200 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (OVERLAPS) 0/200 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Int declared 200/200 variables, and 200 constraints, problems are : Problem set: 0 solved, 60 unsolved in 3528 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7165ms problems are : Problem set: 0 solved, 60 unsolved
Search for dead transitions found 0 dead transitions in 7183ms
Finished structural reductions in LTL mode , in 1 iterations and 7709 ms. Remains : 100/100 places, 100/100 transitions.
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 100/100 transitions.
Applied a total of 0 rules in 2 ms. Remains 100 /100 variables (removed 0) and now considering 100/100 (removed 0) transitions.
[2026-05-26 08:00:27] [INFO ] Invariant cache hit.
[2026-05-26 08:00:27] [INFO ] Implicit Places using invariants in 67 ms returned []
[2026-05-26 08:00:27] [INFO ] Invariant cache hit.
[2026-05-26 08:00:27] [INFO ] Implicit Places using invariants and state equation in 153 ms returned []
Implicit Place search using SMT with State Equation took 222 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 224 ms. Remains : 100/100 places, 100/100 transitions.
Support contains 100 out of 100 places after structural reductions.
[2026-05-26 08:00:27] [INFO ] Flatten gal took : 33 ms
[2026-05-26 08:00:27] [INFO ] Flatten gal took : 30 ms
[2026-05-26 08:00:27] [INFO ] Input system was already deterministic with 100 transitions.
RANDOM walk for 717 steps (2 resets) in 43 ms. (16 steps per ms) remains 0/18 properties
FORMULA Philosophers-COL-000020-LTLCardinality-10 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
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' '!(X(G((p0||X(F((p0&&X((F(!p0)&&F(p1)&&F(p0))))))))))'
Support contains 40 out of 100 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 100/100 transitions.
Applied a total of 0 rules in 3 ms. Remains 100 /100 variables (removed 0) and now considering 100/100 (removed 0) transitions.
[2026-05-26 08:00:28] [INFO ] Invariant cache hit.
[2026-05-26 08:00:28] [INFO ] Implicit Places using invariants in 106 ms returned []
[2026-05-26 08:00:28] [INFO ] Invariant cache hit.
[2026-05-26 08:00:28] [INFO ] Implicit Places using invariants and state equation in 166 ms returned []
Implicit Place search using SMT with State Equation took 275 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 278 ms. Remains : 100/100 places, 100/100 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(F((p0&&X((F(!p0)&&F(p1)&&F(p0))))))))))'
Stuttering acceptance computed with spot in 572 ms :[(NOT p0), (NOT p0), true, true, (NOT p1), (NOT p0), p0]
Running random walk in product with property : Philosophers-COL-000020-LTLCardinality-00
Stuttering criterion allowed to conclude after 2685 steps with 93 reset in 50 ms.
FORMULA Philosophers-COL-000020-LTLCardinality-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Philosophers-COL-000020-LTLCardinality-00 finished in 1020 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((F(!p0)&&F(G(p1)))))'
Support contains 60 out of 100 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 100/100 places, 100/100 transitions.
Applied a total of 0 rules in 17 ms. Remains 100 /100 variables (removed 0) and now considering 100/100 (removed 0) transitions.
[2026-05-26 08:00:29] [INFO ] Invariant cache hit.
[2026-05-26 08:00:29] [INFO ] Implicit Places using invariants in 106 ms returned []
[2026-05-26 08:00:29] [INFO ] Invariant cache hit.
[2026-05-26 08:00:29] [INFO ] Implicit Places using invariants and state equation in 186 ms returned []
Implicit Place search using SMT with State Equation took 305 ms to find 0 implicit places.
[2026-05-26 08:00:29] [INFO ] Redundant transitions in 4 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 339 ms. Remains : 100/100 places, 100/100 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Stuttering acceptance computed with spot in 147 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : Philosophers-COL-000020-LTLCardinality-01
Stuttering criterion allowed to conclude after 143 steps with 0 reset in 4 ms.
FORMULA Philosophers-COL-000020-LTLCardinality-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Philosophers-COL-000020-LTLCardinality-01 finished in 531 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||G(p1))))'
Support contains 60 out of 100 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 100/100 transitions.
Applied a total of 0 rules in 3 ms. Remains 100 /100 variables (removed 0) and now considering 100/100 (removed 0) transitions.
[2026-05-26 08:00:29] [INFO ] Invariant cache hit.
[2026-05-26 08:00:29] [INFO ] Implicit Places using invariants in 135 ms returned []
[2026-05-26 08:00:29] [INFO ] Invariant cache hit.
[2026-05-26 08:00:30] [INFO ] Implicit Places using invariants and state equation in 182 ms returned []
Implicit Place search using SMT with State Equation took 319 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 322 ms. Remains : 100/100 places, 100/100 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)||p1)))'
Stuttering acceptance computed with spot in 145 ms :[true, (AND (NOT p0) (NOT p1)), (NOT p0), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : Philosophers-COL-000020-LTLCardinality-02
Entered a terminal (fully accepting) state of product in 116 steps with 0 reset in 3 ms.
FORMULA Philosophers-COL-000020-LTLCardinality-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Philosophers-COL-000020-LTLCardinality-02 finished in 505 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 20 out of 100 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 100/100 places, 100/100 transitions.
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: 20
Deduced a syphon composed of 20 places in 1 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 0 with 40 rules applied. Total rules applied 40 place count 80 transition count 80
Applied a total of 40 rules in 47 ms. Remains 80 /100 variables (removed 20) and now considering 80/100 (removed 20) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9120245798208941318.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17380722493820278355.kers'
[2026-05-26 08:00:30] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9120245798208941318.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17380722493820278355.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 80 rows 80 cols 240 entries
Finished phase 1 with 40 SingleSign rule and 0 generalized
[2026-05-26 08:00:30] [INFO ] Computed 40 invariants in 1 ms
Computed 40 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-17380722493820278355.kers
Total runtime 3 ms.
[2026-05-26 08:00:30] [INFO ] Implicit Places using invariants in 125 ms returned []
[2026-05-26 08:00:30] [INFO ] Invariant cache hit.
[2026-05-26 08:00:30] [INFO ] Implicit Places using invariants and state equation in 191 ms returned []
Implicit Place search using SMT with State Equation took 323 ms to find 0 implicit places.
[2026-05-26 08:00:30] [INFO ] Redundant transitions in 2 ms returned []
Running 40 sub problems to find dead transitions.
[2026-05-26 08:00:30] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/60 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/60 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 2 (OVERLAPS) 20/80 variables, 20/40 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/80 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 4 (OVERLAPS) 80/160 variables, 80/120 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/160 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 6 (OVERLAPS) 0/160 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 40 unsolved
No progress, stopping.
After SMT solving in domain Real declared 160/160 variables, and 120 constraints, problems are : Problem set: 0 solved, 40 unsolved in 2124 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, State Equation: 80/80 constraints, PredecessorRefiner: 40/40 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 40 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/60 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/60 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 2 (OVERLAPS) 20/80 variables, 20/40 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/80 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 4 (OVERLAPS) 80/160 variables, 80/120 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/160 variables, 40/160 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 7 (OVERLAPS) 0/160 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 40 unsolved
No progress, stopping.
After SMT solving in domain Int declared 160/160 variables, and 160 constraints, problems are : Problem set: 0 solved, 40 unsolved in 1814 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, State Equation: 80/80 constraints, PredecessorRefiner: 40/40 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3960ms problems are : Problem set: 0 solved, 40 unsolved
Search for dead transitions found 0 dead transitions in 3962ms
Starting structural reductions in SI_LTL mode, iteration 1 : 80/100 places, 80/100 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 4344 ms. Remains : 80/100 places, 80/100 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Stuttering acceptance computed with spot in 48 ms :[(NOT p0)]
Running random walk in product with property : Philosophers-COL-000020-LTLCardinality-03
Stuttering criterion allowed to conclude after 306 steps with 0 reset in 4 ms.
FORMULA Philosophers-COL-000020-LTLCardinality-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Philosophers-COL-000020-LTLCardinality-03 finished in 4440 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' '!(((p0||X(F((p0&&X(X(F(p1))))))) U X(X(p2))))'
Support contains 80 out of 100 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 100/100 transitions.
Applied a total of 0 rules in 2 ms. Remains 100 /100 variables (removed 0) and now considering 100/100 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8938465999068560413.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14459027337691032964.kers'
[2026-05-26 08:00:34] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8938465999068560413.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14459027337691032964.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 100 rows 100 cols 320 entries
Finished phase 1 with 60 SingleSign rule and 0 generalized
[2026-05-26 08:00:34] [INFO ] Computed 40 invariants in 0 ms
Computed 40 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-14459027337691032964.kers
Total runtime 2 ms.
[2026-05-26 08:00:34] [INFO ] Implicit Places using invariants in 78 ms returned []
[2026-05-26 08:00:34] [INFO ] Invariant cache hit.
[2026-05-26 08:00:35] [INFO ] Implicit Places using invariants and state equation in 138 ms returned []
Implicit Place search using SMT with State Equation took 220 ms to find 0 implicit places.
Running 60 sub problems to find dead transitions.
[2026-05-26 08:00:35] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (OVERLAPS) 20/100 variables, 20/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/100 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (OVERLAPS) 100/200 variables, 100/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/200 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (OVERLAPS) 0/200 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Real declared 200/200 variables, and 140 constraints, problems are : Problem set: 0 solved, 60 unsolved in 3412 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 60 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (OVERLAPS) 20/100 variables, 20/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/100 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (OVERLAPS) 100/200 variables, 100/140 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/200 variables, 60/200 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/200 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (OVERLAPS) 0/200 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Int declared 200/200 variables, and 200 constraints, problems are : Problem set: 0 solved, 60 unsolved in 2657 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6091ms problems are : Problem set: 0 solved, 60 unsolved
Search for dead transitions found 0 dead transitions in 6092ms
Finished structural reductions in LTL mode , in 1 iterations and 6315 ms. Remains : 100/100 places, 100/100 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' '!(((p0||X(F((p0&&X(X(F(p1))))))) U X(X(p2))))'
Stuttering acceptance computed with spot in 450 ms :[(NOT p2), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (NOT p2), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (AND (NOT p2) (NOT p1)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (NOT p2), (OR (NOT p0) (NOT p1)), (NOT p1), (NOT p1)]
Running random walk in product with property : Philosophers-COL-000020-LTLCardinality-05
Stuttering criterion allowed to conclude after 7865 steps with 181 reset in 124 ms.
FORMULA Philosophers-COL-000020-LTLCardinality-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Philosophers-COL-000020-LTLCardinality-05 finished in 6945 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) U G(p1))||(p0 U p2)) U X(!p1)))'
Support contains 60 out of 100 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 100/100 transitions.
Applied a total of 0 rules in 2 ms. Remains 100 /100 variables (removed 0) and now considering 100/100 (removed 0) transitions.
[2026-05-26 08:00:41] [INFO ] Invariant cache hit.
[2026-05-26 08:00:41] [INFO ] Implicit Places using invariants in 67 ms returned []
[2026-05-26 08:00:41] [INFO ] Invariant cache hit.
[2026-05-26 08:00:41] [INFO ] Implicit Places using invariants and state equation in 130 ms returned []
Implicit Place search using SMT with State Equation took 199 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 201 ms. Remains : 100/100 places, 100/100 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) U G(p1))||(p0 U p2)) U X(!p1)))'
Stuttering acceptance computed with spot in 383 ms :[p1, (AND (NOT p0) p1), false, p1, false, (NOT p0), (NOT p1), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : Philosophers-COL-000020-LTLCardinality-06
Product exploration explored 100000 steps with 50000 reset in 1274 ms.
Product exploration explored 100000 steps with 50000 reset in 837 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 14 factoid took 20 ms. Proved property starting from automaton with 8 states, 19 edges and 3 AP (stutter sensitive
Knowledge-based reduction took 43 ms.
FORMULA Philosophers-COL-000020-LTLCardinality-06 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Philosophers-COL-000020-LTLCardinality-06 finished in 2812 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(((F(!p0)||X(X((p1&&X(p0)))))&&(X(X((p1&&X(p0))))||F(p2))))))'
Support contains 60 out of 100 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 100/100 places, 100/100 transitions.
Applied a total of 0 rules in 5 ms. Remains 100 /100 variables (removed 0) and now considering 100/100 (removed 0) transitions.
[2026-05-26 08:00:44] [INFO ] Invariant cache hit.
[2026-05-26 08:00:44] [INFO ] Implicit Places using invariants in 84 ms returned []
[2026-05-26 08:00:44] [INFO ] Invariant cache hit.
[2026-05-26 08:00:44] [INFO ] Implicit Places using invariants and state equation in 132 ms returned []
Implicit Place search using SMT with State Equation took 219 ms to find 0 implicit places.
[2026-05-26 08:00:44] [INFO ] Redundant transitions in 4 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 234 ms. Remains : 100/100 places, 100/100 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(((F(p0)||X(X((p1&&X(!p0)))))&&(X(X((p1&&X(!p0))))||F(p2))))))'
Stuttering acceptance computed with spot in 534 ms :[(OR (AND (NOT p0) (NOT p1)) (AND p0 (NOT p2))), (AND (NOT p0) (NOT p1)), (OR (AND (NOT p1) (NOT p2)) (AND p0 (NOT p2))), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (OR (AND (NOT p1) (NOT p2)) (AND p0 (NOT p2))), (OR (AND (NOT p1) (NOT p2)) (AND p0 (NOT p2))), false, (AND p0 (NOT p2)), (AND p0 (NOT p2)), (AND (NOT p2) p1 p0), (AND (NOT p2) p1 p0), (AND (NOT p2) p1 p0)]
Running random walk in product with property : Philosophers-COL-000020-LTLCardinality-07
Product exploration explored 100000 steps with 11374 reset in 1074 ms.
Stack based approach found an accepted trace after 6678 steps with 751 reset with depth 7 and stack size 7 in 83 ms.
FORMULA Philosophers-COL-000020-LTLCardinality-07 FALSE TECHNIQUES STACK_TEST
Treatment of property Philosophers-COL-000020-LTLCardinality-07 finished in 2031 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(!(X(p0) U X(!X(X(!X(((p0 U p1)&&p2)))))))'
Support contains 60 out of 100 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 100/100 transitions.
Applied a total of 0 rules in 1 ms. Remains 100 /100 variables (removed 0) and now considering 100/100 (removed 0) transitions.
[2026-05-26 08:00:46] [INFO ] Invariant cache hit.
[2026-05-26 08:00:46] [INFO ] Implicit Places using invariants in 88 ms returned []
[2026-05-26 08:00:46] [INFO ] Invariant cache hit.
[2026-05-26 08:00:46] [INFO ] Implicit Places using invariants and state equation in 129 ms returned []
Implicit Place search using SMT with State Equation took 220 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 222 ms. Remains : 100/100 places, 100/100 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(!(X(p0) U X(!X(X(!X(((p0 U p1)&&p2)))))))'
Stuttering acceptance computed with spot in 277 ms :[(AND p1 p2), (AND p1 p2), (AND p1 p2), (AND p1 p2), (AND p1 p2), true, p1]
Running random walk in product with property : Philosophers-COL-000020-LTLCardinality-08
Entered a terminal (fully accepting) state of product in 65 steps with 9 reset in 0 ms.
FORMULA Philosophers-COL-000020-LTLCardinality-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Philosophers-COL-000020-LTLCardinality-08 finished in 538 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(G(p0)))) U G(p1)))'
Support contains 40 out of 100 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 100/100 transitions.
Applied a total of 0 rules in 2 ms. Remains 100 /100 variables (removed 0) and now considering 100/100 (removed 0) transitions.
[2026-05-26 08:00:47] [INFO ] Invariant cache hit.
[2026-05-26 08:00:47] [INFO ] Implicit Places using invariants in 76 ms returned []
[2026-05-26 08:00:47] [INFO ] Invariant cache hit.
[2026-05-26 08:00:47] [INFO ] Implicit Places using invariants and state equation in 129 ms returned []
Implicit Place search using SMT with State Equation took 207 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 209 ms. Remains : 100/100 places, 100/100 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(G(p0)))) U G(p1)))'
Stuttering acceptance computed with spot in 322 ms :[(NOT p1), (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p0), (NOT p0), true, (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) p0)]
Running random walk in product with property : Philosophers-COL-000020-LTLCardinality-13
Entered a terminal (fully accepting) state of product in 155 steps with 0 reset in 1 ms.
FORMULA Philosophers-COL-000020-LTLCardinality-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Philosophers-COL-000020-LTLCardinality-13 finished in 563 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((G(p0)||X(((X(F(p1))||G(p2)) U p3)))))))'
Support contains 80 out of 100 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 100/100 transitions.
Applied a total of 0 rules in 1 ms. Remains 100 /100 variables (removed 0) and now considering 100/100 (removed 0) transitions.
[2026-05-26 08:00:47] [INFO ] Invariant cache hit.
[2026-05-26 08:00:47] [INFO ] Implicit Places using invariants in 77 ms returned []
[2026-05-26 08:00:47] [INFO ] Invariant cache hit.
[2026-05-26 08:00:47] [INFO ] Implicit Places using invariants and state equation in 140 ms returned []
Implicit Place search using SMT with State Equation took 220 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 222 ms. Remains : 100/100 places, 100/100 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((G(p0)||X(((X(F(p1))||G(p2)) U p3)))))))'
Stuttering acceptance computed with spot in 472 ms :[(AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (NOT p3), (AND (NOT p0) (NOT p3)), (NOT p1), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p2) (NOT p0))]
Running random walk in product with property : Philosophers-COL-000020-LTLCardinality-14
Product exploration explored 100000 steps with 20000 reset in 973 ms.
Product exploration explored 100000 steps with 20000 reset in 689 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 1 factoid took 73 ms. Reduced automaton from 10 states, 23 edges and 4 AP (stutter sensitive) to 10 states, 23 edges and 4 AP (stutter sensitive).
RANDOM walk for 40000 steps (67 resets) in 607 ms. (65 steps per ms) remains 1/20 properties
BEST_FIRST walk for 40004 steps (8 resets) in 304 ms. (131 steps per ms) remains 1/1 properties
[2026-05-26 08:00:50] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/60 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem apf6 is UNSAT
After SMT solving in domain Real declared 100/200 variables, and 40 constraints, problems are : Problem set: 1 solved, 0 unsolved in 64 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, State Equation: 0/100 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 73ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge based reduction with 2 factoid took 393 ms. Reduced automaton from 10 states, 23 edges and 4 AP (stutter sensitive) to 10 states, 22 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 512 ms :[(AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (NOT p3), (AND (NOT p0) (NOT p3)), (NOT p1), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p2) (NOT p0))]
Knowledge-based reduction took 1328 ms.
Stuttering acceptance computed with spot in 538 ms :[(AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (NOT p3), (AND (NOT p0) (NOT p3)), (NOT p1), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p2) (NOT p0))]
Support contains 80 out of 100 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 100/100 transitions.
Applied a total of 0 rules in 1 ms. Remains 100 /100 variables (removed 0) and now considering 100/100 (removed 0) transitions.
[2026-05-26 08:00:51] [INFO ] Invariant cache hit.
[2026-05-26 08:00:52] [INFO ] Implicit Places using invariants in 96 ms returned []
[2026-05-26 08:00:52] [INFO ] Invariant cache hit.
[2026-05-26 08:00:52] [INFO ] Implicit Places using invariants and state equation in 173 ms returned []
Implicit Place search using SMT with State Equation took 271 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 273 ms. Remains : 100/100 places, 100/100 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 1 factoid took 119 ms. Reduced automaton from 10 states, 22 edges and 4 AP (stutter sensitive) to 10 states, 22 edges and 4 AP (stutter sensitive).
RANDOM walk for 3445 steps (4 resets) in 42 ms. (80 steps per ms) remains 0/17 properties
Knowledge based reduction with 1 factoid took 394 ms. Reduced automaton from 10 states, 22 edges and 4 AP (stutter sensitive) to 10 states, 22 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 563 ms :[(AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (NOT p3), (AND (NOT p0) (NOT p3)), (NOT p1), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p2) (NOT p0))]
Knowledge-based reduction took 1097 ms.
Stuttering acceptance computed with spot in 532 ms :[(AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (NOT p3), (AND (NOT p0) (NOT p3)), (NOT p1), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p2) (NOT p0))]
Stuttering acceptance computed with spot in 515 ms :[(AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (NOT p3), (AND (NOT p0) (NOT p3)), (NOT p1), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p2) (NOT p0))]
Product exploration explored 100000 steps with 20000 reset in 957 ms.
Product exploration explored 100000 steps with 20000 reset in 789 ms.
Spot run failed in 145 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/ltsmin2650990917939329027
[2026-05-26 08:00:56] [INFO ] Built C files in 38ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin2650990917939329027
Running compilation step : cd /tmp/ltsmin2650990917939329027;'/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'
Compilation finished in 735 ms.
Running link step : cd /tmp/ltsmin2650990917939329027;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 92 ms.
Running LTSmin : cd /tmp/ltsmin2650990917939329027;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--hoa' '/tmp/stateBased3604932882807135532.hoa' '--buchi-type=spotba'
LTSmin run took 2635 ms.
FORMULA Philosophers-COL-000020-LTLCardinality-14 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property Philosophers-COL-000020-LTLCardinality-14 finished in 12187 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(F(p0)))'
Support contains 40 out of 100 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 100/100 places, 100/100 transitions.
Applied a total of 0 rules in 5 ms. Remains 100 /100 variables (removed 0) and now considering 100/100 (removed 0) transitions.
[2026-05-26 08:00:59] [INFO ] Invariant cache hit.
[2026-05-26 08:00:59] [INFO ] Implicit Places using invariants in 140 ms returned []
[2026-05-26 08:01:00] [INFO ] Invariant cache hit.
[2026-05-26 08:01:00] [INFO ] Implicit Places using invariants and state equation in 224 ms returned []
Implicit Place search using SMT with State Equation took 366 ms to find 0 implicit places.
[2026-05-26 08:01:00] [INFO ] Redundant transitions in 4 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 382 ms. Remains : 100/100 places, 100/100 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 100 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Philosophers-COL-000020-LTLCardinality-15
Stuttering criterion allowed to conclude after 761 steps with 10 reset in 5 ms.
FORMULA Philosophers-COL-000020-LTLCardinality-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Philosophers-COL-000020-LTLCardinality-15 finished in 527 ms.
All properties solved by simple procedures.
Total runtime 42408 ms.

BK_STOP 1779782460452

--------------------
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="Philosophers-COL-000020"
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 Philosophers-COL-000020, 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 r210-smll-177969941900019"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Philosophers-COL-000020.tgz
mv Philosophers-COL-000020 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 ;