fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r162-smll-177961107700139
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for JoinFreeModules-PT-0003

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
385.812 12356.00 24305.00 122.30 FTFTFFFFTFFFFFFF normal

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.r162-smll-177961107700139.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 JoinFreeModules-PT-0003, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r162-smll-177961107700139
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 484K
-rw-r--r-- 1 mcc users 7.1K Mar 7 15:40 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K Mar 7 15:40 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K Mar 7 15:39 CTLFireability.txt
-rw-r--r-- 1 mcc users 40K Mar 7 15:39 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.1K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 11:02 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 11:02 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 11:02 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 11:02 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.6K Mar 7 15:40 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 101K Mar 7 15:40 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 7 15:40 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 110K Mar 7 15:40 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 11:02 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 11:02 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 9.4K 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 JoinFreeModules-PT-0003-LTLCardinality-00
FORMULA_NAME JoinFreeModules-PT-0003-LTLCardinality-01
FORMULA_NAME JoinFreeModules-PT-0003-LTLCardinality-02
FORMULA_NAME JoinFreeModules-PT-0003-LTLCardinality-03
FORMULA_NAME JoinFreeModules-PT-0003-LTLCardinality-04
FORMULA_NAME JoinFreeModules-PT-0003-LTLCardinality-05
FORMULA_NAME JoinFreeModules-PT-0003-LTLCardinality-06
FORMULA_NAME JoinFreeModules-PT-0003-LTLCardinality-07
FORMULA_NAME JoinFreeModules-PT-0003-LTLCardinality-08
FORMULA_NAME JoinFreeModules-PT-0003-LTLCardinality-09
FORMULA_NAME JoinFreeModules-PT-0003-LTLCardinality-10
FORMULA_NAME JoinFreeModules-PT-0003-LTLCardinality-11
FORMULA_NAME JoinFreeModules-PT-0003-LTLCardinality-12
FORMULA_NAME JoinFreeModules-PT-0003-LTLCardinality-13
FORMULA_NAME JoinFreeModules-PT-0003-LTLCardinality-14
FORMULA_NAME JoinFreeModules-PT-0003-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1779729424097

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=JoinFreeModules-PT-0003
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202604301425
[2026-05-25 17:17:06] [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]
[2026-05-25 17:17:06] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 17:17:06] [INFO ] Load time of PNML (sax parser for PT used): 53 ms
[2026-05-25 17:17:06] [INFO ] Transformed 16 places.
[2026-05-25 17:17:06] [INFO ] Transformed 25 transitions.
[2026-05-25 17:17:06] [INFO ] Parsed PT model containing 16 places and 25 transitions and 71 arcs in 192 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 19 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
Reduce places removed 1 places and 0 transitions.
FORMULA JoinFreeModules-PT-0003-LTLCardinality-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA JoinFreeModules-PT-0003-LTLCardinality-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA JoinFreeModules-PT-0003-LTLCardinality-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA JoinFreeModules-PT-0003-LTLCardinality-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 14 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 25/25 transitions.
Applied a total of 0 rules in 11 ms. Remains 15 /15 variables (removed 0) and now considering 25/25 (removed 0) transitions.
Running 18 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10178798345098991455.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11904160944070874547.kers'
[2026-05-25 17:17:06] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10178798345098991455.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11904160944070874547.kers]
Normalized transition count is 24 out of 25 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 24 rows 15 cols 60 entries
Finished phase 1 with 12 SingleSign rule and 0 generalized
[2026-05-25 17:17:06] [INFO ] Computed 3 invariants in 0 ms
Computed 3 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-11904160944070874547.kers
Total runtime 1 ms.
[2026-05-25 17:17:06] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 1 (OVERLAPS) 3/15 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 4 (OVERLAPS) 24/39 variables, 15/21 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/39 variables, 3/24 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/39 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 7 (OVERLAPS) 0/39 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 18 unsolved
No progress, stopping.
After SMT solving in domain Real declared 39/40 variables, and 24 constraints, problems are : Problem set: 0 solved, 18 unsolved in 1215 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 15/15 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 18/18 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 18 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 1 (OVERLAPS) 3/15 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 4 (OVERLAPS) 24/39 variables, 15/21 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/39 variables, 3/24 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/39 variables, 18/42 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/39 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 8 (OVERLAPS) 0/39 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 18 unsolved
No progress, stopping.
After SMT solving in domain Int declared 39/40 variables, and 42 constraints, problems are : Problem set: 0 solved, 18 unsolved in 1177 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 15/15 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 18/18 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2478ms problems are : Problem set: 0 solved, 18 unsolved
Search for dead transitions found 0 dead transitions in 2494ms
[2026-05-25 17:17:09] [INFO ] Invariant cache hit.
[2026-05-25 17:17:09] [INFO ] Implicit Places using invariants in 27 ms returned []
[2026-05-25 17:17:09] [INFO ] Invariant cache hit.
[2026-05-25 17:17:09] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-25 17:17:09] [INFO ] Implicit Places using invariants and state equation in 43 ms returned []
Implicit Place search using SMT with State Equation took 81 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 2688 ms. Remains : 15/15 places, 25/25 transitions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 25/25 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 25/25 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 17:17:09] [INFO ] Invariant cache hit.
[2026-05-25 17:17:09] [INFO ] Implicit Places using invariants in 21 ms returned []
[2026-05-25 17:17:09] [INFO ] Invariant cache hit.
[2026-05-25 17:17:09] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-25 17:17:09] [INFO ] Implicit Places using invariants and state equation in 39 ms returned []
Implicit Place search using SMT with State Equation took 62 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 63 ms. Remains : 15/15 places, 25/25 transitions.
Support contains 14 out of 15 places after structural reductions.
[2026-05-25 17:17:09] [INFO ] Flatten gal took : 34 ms
[2026-05-25 17:17:09] [INFO ] Flatten gal took : 11 ms
[2026-05-25 17:17:09] [INFO ] Input system was already deterministic with 25 transitions.
RANDOM walk for 371 steps (0 resets) in 79 ms. (4 steps per ms) remains 0/29 properties
FORMULA JoinFreeModules-PT-0003-LTLCardinality-00 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' '!((F((X(p1)&&p0))&&X((p2 U p3))))'
Support contains 4 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 25/25 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 25/25 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 17:17:10] [INFO ] Invariant cache hit.
[2026-05-25 17:17:10] [INFO ] Implicit Places using invariants in 35 ms returned []
[2026-05-25 17:17:10] [INFO ] Invariant cache hit.
[2026-05-25 17:17:10] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-25 17:17:10] [INFO ] Implicit Places using invariants and state equation in 53 ms returned []
Implicit Place search using SMT with State Equation took 92 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 93 ms. Remains : 15/15 places, 25/25 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((X(p1)&&p0))&&X((p2 U p3))))'
Stuttering acceptance computed with spot in 520 ms :[(OR (NOT p0) (NOT p3) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p3), (NOT p1), true]
Running random walk in product with property : JoinFreeModules-PT-0003-LTLCardinality-02
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 2 ms.
FORMULA JoinFreeModules-PT-0003-LTLCardinality-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0003-LTLCardinality-02 finished in 760 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F(p0))))'
Support contains 2 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 25/25 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 25/25 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 17:17:11] [INFO ] Invariant cache hit.
[2026-05-25 17:17:11] [INFO ] Implicit Places using invariants in 28 ms returned []
[2026-05-25 17:17:11] [INFO ] Invariant cache hit.
[2026-05-25 17:17:11] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-25 17:17:11] [INFO ] Implicit Places using invariants and state equation in 55 ms returned []
Implicit Place search using SMT with State Equation took 87 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 88 ms. Remains : 15/15 places, 25/25 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F(p0))))'
Stuttering acceptance computed with spot in 157 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : JoinFreeModules-PT-0003-LTLCardinality-03
Product exploration explored 100000 steps with 33333 reset in 480 ms.
Product exploration explored 100000 steps with 33333 reset in 314 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 2 factoid took 22 ms. Proved property starting from automaton with 3 states, 3 edges and 1 AP (stutter sensitive
Knowledge-based reduction took 30 ms.
FORMULA JoinFreeModules-PT-0003-LTLCardinality-03 TRUE TECHNIQUES KNOWLEDGE
Treatment of property JoinFreeModules-PT-0003-LTLCardinality-03 finished in 1117 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 (G((p0||G(p1)))||((p0||G(p1))&&(p2||X((X(p0) U ((!p2&&X(p0))||X(G(p0)))))))))))'
Support contains 3 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 25/25 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 25/25 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 17:17:12] [INFO ] Invariant cache hit.
[2026-05-25 17:17:12] [INFO ] Implicit Places using invariants in 31 ms returned []
[2026-05-25 17:17:12] [INFO ] Invariant cache hit.
[2026-05-25 17:17:12] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-25 17:17:12] [INFO ] Implicit Places using invariants and state equation in 62 ms returned []
Implicit Place search using SMT with State Equation took 97 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 99 ms. Remains : 15/15 places, 25/25 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 (G((p0||G(p1)))||((p0||G(p1))&&(p2||X((X(p0) U ((!p2&&X(p0))||X(G(p0)))))))))))'
Stuttering acceptance computed with spot in 516 ms :[true, (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : JoinFreeModules-PT-0003-LTLCardinality-04
Entered a terminal (fully accepting) state of product in 13 steps with 4 reset in 1 ms.
FORMULA JoinFreeModules-PT-0003-LTLCardinality-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0003-LTLCardinality-04 finished in 723 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0) U X(X(G(p1)))))'
Support contains 3 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 25/25 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 25/25 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 17:17:12] [INFO ] Invariant cache hit.
[2026-05-25 17:17:12] [INFO ] Implicit Places using invariants in 28 ms returned []
[2026-05-25 17:17:13] [INFO ] Invariant cache hit.
[2026-05-25 17:17:13] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-25 17:17:13] [INFO ] Implicit Places using invariants and state equation in 94 ms returned []
Implicit Place search using SMT with State Equation took 134 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 135 ms. Remains : 15/15 places, 25/25 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0) U X(X(G(p1)))))'
Stuttering acceptance computed with spot in 373 ms :[(NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), true, (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) p1)]
Running random walk in product with property : JoinFreeModules-PT-0003-LTLCardinality-06
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA JoinFreeModules-PT-0003-LTLCardinality-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0003-LTLCardinality-06 finished in 560 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((p0||X(X(F((p1&&G(p2)&&F(p3))))))))'
Support contains 5 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 25/25 transitions.
Applied a total of 0 rules in 0 ms. Remains 15 /15 variables (removed 0) and now considering 25/25 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 17:17:13] [INFO ] Invariant cache hit.
[2026-05-25 17:17:13] [INFO ] Implicit Places using invariants in 28 ms returned []
[2026-05-25 17:17:13] [INFO ] Invariant cache hit.
[2026-05-25 17:17:13] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-25 17:17:13] [INFO ] Implicit Places using invariants and state equation in 48 ms returned []
Implicit Place search using SMT with State Equation took 79 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 81 ms. Remains : 15/15 places, 25/25 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((p0||X(X(F((p1&&G(p2)&&F(p3))))))))'
Stuttering acceptance computed with spot in 282 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p3))), (OR (NOT p1) (NOT p2) (NOT p3)), (OR (NOT p1) (NOT p2) (NOT p3)), (NOT p2), (NOT p3)]
Running random walk in product with property : JoinFreeModules-PT-0003-LTLCardinality-07
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 1 ms.
FORMULA JoinFreeModules-PT-0003-LTLCardinality-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0003-LTLCardinality-07 finished in 430 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(((!p0 U p1) U X(p2))))&&F((!p2 U (p3||G(!p2))))))'
Support contains 4 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 25/25 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 25/25 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 17:17:13] [INFO ] Invariant cache hit.
[2026-05-25 17:17:14] [INFO ] Implicit Places using invariants in 28 ms returned []
[2026-05-25 17:17:14] [INFO ] Invariant cache hit.
[2026-05-25 17:17:14] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-25 17:17:14] [INFO ] Implicit Places using invariants and state equation in 50 ms returned []
Implicit Place search using SMT with State Equation took 81 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 82 ms. Remains : 15/15 places, 25/25 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 U p1) U X(p2))))&&F((!p2 U (p3||G(!p2))))))'
Stuttering acceptance computed with spot in 436 ms :[(OR (NOT p2) (NOT p3)), (NOT p2), (AND (NOT p3) p2), (NOT p2), (NOT p2), (NOT p2), (AND (NOT p1) (NOT p2)), true, (NOT p1)]
Running random walk in product with property : JoinFreeModules-PT-0003-LTLCardinality-09
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA JoinFreeModules-PT-0003-LTLCardinality-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0003-LTLCardinality-09 finished in 602 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)))))'
Support contains 3 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 25/25 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 25/25 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 17:17:14] [INFO ] Invariant cache hit.
[2026-05-25 17:17:14] [INFO ] Implicit Places using invariants in 23 ms returned []
[2026-05-25 17:17:14] [INFO ] Invariant cache hit.
[2026-05-25 17:17:14] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-25 17:17:14] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 66 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 67 ms. Remains : 15/15 places, 25/25 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)))))'
Stuttering acceptance computed with spot in 152 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : JoinFreeModules-PT-0003-LTLCardinality-10
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA JoinFreeModules-PT-0003-LTLCardinality-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0003-LTLCardinality-10 finished in 260 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 1 out of 15 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 15/15 places, 25/25 transitions.
Applied a total of 0 rules in 12 ms. Remains 15 /15 variables (removed 0) and now considering 25/25 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 17:17:14] [INFO ] Invariant cache hit.
[2026-05-25 17:17:14] [INFO ] Implicit Places using invariants in 22 ms returned []
[2026-05-25 17:17:14] [INFO ] Invariant cache hit.
[2026-05-25 17:17:14] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-25 17:17:14] [INFO ] Implicit Places using invariants and state equation in 38 ms returned []
Implicit Place search using SMT with State Equation took 62 ms to find 0 implicit places.
[2026-05-25 17:17:14] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 81 ms. Remains : 15/15 places, 25/25 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 46 ms :[(NOT p0)]
Running random walk in product with property : JoinFreeModules-PT-0003-LTLCardinality-11
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA JoinFreeModules-PT-0003-LTLCardinality-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0003-LTLCardinality-11 finished in 160 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((G(p1)||p0))))'
Support contains 6 out of 15 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 15/15 places, 25/25 transitions.
Applied a total of 0 rules in 4 ms. Remains 15 /15 variables (removed 0) and now considering 25/25 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 17:17:14] [INFO ] Invariant cache hit.
[2026-05-25 17:17:15] [INFO ] Implicit Places using invariants in 27 ms returned []
[2026-05-25 17:17:15] [INFO ] Invariant cache hit.
[2026-05-25 17:17:15] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-25 17:17:15] [INFO ] Implicit Places using invariants and state equation in 42 ms returned []
Implicit Place search using SMT with State Equation took 71 ms to find 0 implicit places.
[2026-05-25 17:17:15] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 82 ms. Remains : 15/15 places, 25/25 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((G(p1)||p0))))'
Stuttering acceptance computed with spot in 104 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : JoinFreeModules-PT-0003-LTLCardinality-12
Product exploration explored 100000 steps with 1668 reset in 315 ms.
Stack based approach found an accepted trace after 2012 steps with 22 reset with depth 298 and stack size 267 in 6 ms.
FORMULA JoinFreeModules-PT-0003-LTLCardinality-12 FALSE TECHNIQUES STACK_TEST
Treatment of property JoinFreeModules-PT-0003-LTLCardinality-12 finished in 553 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||X(X(G(!p1)))))&&F(p2))))'
Support contains 4 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 25/25 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 25/25 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 17:17:15] [INFO ] Invariant cache hit.
[2026-05-25 17:17:15] [INFO ] Implicit Places using invariants in 19 ms returned []
[2026-05-25 17:17:15] [INFO ] Invariant cache hit.
[2026-05-25 17:17:15] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-25 17:17:15] [INFO ] Implicit Places using invariants and state equation in 41 ms returned []
Implicit Place search using SMT with State Equation took 63 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 64 ms. Remains : 15/15 places, 25/25 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(p0)||(G((p1||X(X(G(!p1)))))&&F(p2))))'
Stuttering acceptance computed with spot in 454 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) p1), false, (AND (NOT p2) (NOT p0)), p1, true, p1, false, (NOT p2)]
Running random walk in product with property : JoinFreeModules-PT-0003-LTLCardinality-13
Entered a terminal (fully accepting) state of product in 10 steps with 0 reset in 1 ms.
FORMULA JoinFreeModules-PT-0003-LTLCardinality-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0003-LTLCardinality-13 finished in 569 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||X(G(p1))) U (p2&&(p0||X(G(p1)))))))'
Support contains 4 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 25/25 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 25/25 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 17:17:16] [INFO ] Invariant cache hit.
[2026-05-25 17:17:16] [INFO ] Implicit Places using invariants in 29 ms returned []
[2026-05-25 17:17:16] [INFO ] Invariant cache hit.
[2026-05-25 17:17:16] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-25 17:17:16] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 77 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 78 ms. Remains : 15/15 places, 25/25 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||X(G(p1))) U (p2&&(p0||X(G(p1)))))))'
Stuttering acceptance computed with spot in 170 ms :[(OR (NOT p2) (AND (NOT p0) (NOT p1))), (OR (NOT p2) (AND (NOT p0) (NOT p1))), (NOT p1), true]
Running random walk in product with property : JoinFreeModules-PT-0003-LTLCardinality-15
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA JoinFreeModules-PT-0003-LTLCardinality-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0003-LTLCardinality-15 finished in 288 ms.
All properties solved by simple procedures.
Total runtime 10250 ms.

BK_STOP 1779729436453

--------------------
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="JoinFreeModules-PT-0003"
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 JoinFreeModules-PT-0003, 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 r162-smll-177961107700139"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/JoinFreeModules-PT-0003.tgz
mv JoinFreeModules-PT-0003 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 ;