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-177961107700188.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)
....................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is JoinFreeModules-PT-0100, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r162-smll-177961107700188
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 716K
-rw-r--r-- 1 mcc users 7.0K Mar 7 15:43 CTLCardinality.txt
-rw-r--r-- 1 mcc users 74K Mar 7 15:43 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.6K Mar 7 15:43 CTLFireability.txt
-rw-r--r-- 1 mcc users 62K Mar 7 15:43 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 3.7K Mar 15 11:04 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 11:04 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 11:04 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 11:04 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.4K Mar 7 15:43 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 95K Mar 7 15:43 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.0K Mar 7 15:43 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 45K Mar 7 15:43 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 11:04 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 11:04 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 304K 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-0100-LTLFireability-00
FORMULA_NAME JoinFreeModules-PT-0100-LTLFireability-01
FORMULA_NAME JoinFreeModules-PT-0100-LTLFireability-02
FORMULA_NAME JoinFreeModules-PT-0100-LTLFireability-03
FORMULA_NAME JoinFreeModules-PT-0100-LTLFireability-04
FORMULA_NAME JoinFreeModules-PT-0100-LTLFireability-05
FORMULA_NAME JoinFreeModules-PT-0100-LTLFireability-06
FORMULA_NAME JoinFreeModules-PT-0100-LTLFireability-07
FORMULA_NAME JoinFreeModules-PT-0100-LTLFireability-08
FORMULA_NAME JoinFreeModules-PT-0100-LTLFireability-09
FORMULA_NAME JoinFreeModules-PT-0100-LTLFireability-10
FORMULA_NAME JoinFreeModules-PT-0100-LTLFireability-11
FORMULA_NAME JoinFreeModules-PT-0100-LTLFireability-12
FORMULA_NAME JoinFreeModules-PT-0100-LTLFireability-13
FORMULA_NAME JoinFreeModules-PT-0100-LTLFireability-14
FORMULA_NAME JoinFreeModules-PT-0100-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779745321897

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=JoinFreeModules-PT-0100
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-25 21:42:04] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-25 21:42:04] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 21:42:04] [INFO ] Load time of PNML (sax parser for PT used): 340 ms
[2026-05-25 21:42:04] [INFO ] Transformed 501 places.
[2026-05-25 21:42:04] [INFO ] Transformed 801 transitions.
[2026-05-25 21:42:04] [INFO ] Parsed PT model containing 501 places and 801 transitions and 2302 arcs in 587 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 24 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 5 formulas.
Reduce places removed 1 places and 0 transitions.
FORMULA JoinFreeModules-PT-0100-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA JoinFreeModules-PT-0100-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA JoinFreeModules-PT-0100-LTLFireability-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA JoinFreeModules-PT-0100-LTLFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA JoinFreeModules-PT-0100-LTLFireability-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 29 out of 500 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 500/500 places, 801/801 transitions.
Applied a total of 0 rules in 112 ms. Remains 500 /500 variables (removed 0) and now considering 801/801 (removed 0) transitions.
Running 600 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-8872187214481087334.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2723018000400205628.kers'
[2026-05-25 21:42:05] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8872187214481087334.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2723018000400205628.kers]
Normalized transition count is 800 out of 801 initially.
Culled 0 columns in 1 ms.
// Phase 1: matrix 800 rows 500 cols 2000 entries
Finished phase 1 with 400 SingleSign rule and 0 generalized
[2026-05-25 21:42:05] [INFO ] Computed 100 invariants in 6 ms
Computed 100 P flows in 8 ms.
Exported basis to /tmp/petrispot-output-2723018000400205628.kers
Total runtime 9 ms.
[2026-05-25 21:42:05] [INFO ] State equation strengthened by 100 read => feed constraints.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/400 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 600 unsolved
SMT process timed out in 20544ms, After SMT, problems are : Problem set: 0 solved, 600 unsolved
Search for dead transitions found 0 dead transitions in 20589ms
[2026-05-25 21:42:25] [INFO ] Invariant cache hit.
[2026-05-25 21:42:26] [INFO ] Implicit Places using invariants in 300 ms returned []
[2026-05-25 21:42:26] [INFO ] Invariant cache hit.
[2026-05-25 21:42:27] [INFO ] State equation strengthened by 100 read => feed constraints.
[2026-05-25 21:42:27] [INFO ] Implicit Places using invariants and state equation in 937 ms returned []
Implicit Place search using SMT with State Equation took 1261 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 22129 ms. Remains : 500/500 places, 801/801 transitions.
Starting structural reductions in LTL mode, iteration 0 : 500/500 places, 801/801 transitions.
Applied a total of 0 rules in 19 ms. Remains 500 /500 variables (removed 0) and now considering 801/801 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 21:42:27] [INFO ] Invariant cache hit.
[2026-05-25 21:42:27] [INFO ] Implicit Places using invariants in 135 ms returned []
[2026-05-25 21:42:27] [INFO ] Invariant cache hit.
[2026-05-25 21:42:27] [INFO ] State equation strengthened by 100 read => feed constraints.
[2026-05-25 21:42:27] [INFO ] Implicit Places using invariants and state equation in 551 ms returned []
Implicit Place search using SMT with State Equation took 689 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 709 ms. Remains : 500/500 places, 801/801 transitions.
Support contains 29 out of 500 places after structural reductions.
[2026-05-25 21:42:28] [INFO ] Flatten gal took : 175 ms
[2026-05-25 21:42:28] [INFO ] Flatten gal took : 84 ms
[2026-05-25 21:42:28] [INFO ] Input system was already deterministic with 801 transitions.
RANDOM walk for 40128 steps (8 resets) in 572 ms. (70 steps per ms) remains 4/28 properties
BEST_FIRST walk for 40004 steps (8 resets) in 513 ms. (77 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 501 ms. (79 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 398 ms. (100 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 491 ms. (81 steps per ms) remains 4/4 properties
[2026-05-25 21:42:29] [INFO ] Invariant cache hit.
[2026-05-25 21:42:29] [INFO ] State equation strengthened by 100 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 16/20 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 32/52 variables, 20/26 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/52 variables, 4/30 constraints. Problems are: Problem set: 0 solved, 4 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/52 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/52 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 52/1301 variables, and 30 constraints, problems are : Problem set: 0 solved, 4 unsolved in 332 ms.
Refiners :[Positive P Invariants (semi-flows): 4/100 constraints, State Equation: 20/500 constraints, ReadFeed: 4/100 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 16/20 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 32/52 variables, 20/27 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/52 variables, 4/31 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/52 variables, 4/35 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/52 variables, 1/36 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/52 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (OVERLAPS) 0/52 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 52/1301 variables, and 36 constraints, problems are : Problem set: 0 solved, 4 unsolved in 392 ms.
Refiners :[Positive P Invariants (semi-flows): 4/100 constraints, State Equation: 20/500 constraints, ReadFeed: 4/100 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 748ms problems are : Problem set: 0 solved, 4 unsolved
Fused 4 Parikh solutions to 1 different solutions.
Finished Parikh walk after 48 steps, including 0 resets, run visited all 4 properties in 4 ms. (steps per millisecond=12 )
Parikh walk visited 4 properties in 12 ms.
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(p0)||(X(p1)&&G(p2))) U (G((X(p0)||(X(p1)&&G(p2))))||(p3&&(X(p0)||(X(p1)&&G(p2)))))))'
Support contains 4 out of 500 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 500/500 places, 801/801 transitions.
Applied a total of 0 rules in 21 ms. Remains 500 /500 variables (removed 0) and now considering 801/801 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 21:42:30] [INFO ] Invariant cache hit.
[2026-05-25 21:42:30] [INFO ] Implicit Places using invariants in 230 ms returned []
[2026-05-25 21:42:30] [INFO ] Invariant cache hit.
[2026-05-25 21:42:31] [INFO ] State equation strengthened by 100 read => feed constraints.
[2026-05-25 21:42:31] [INFO ] Implicit Places using invariants and state equation in 700 ms returned []
Implicit Place search using SMT with State Equation took 934 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 956 ms. Remains : 500/500 places, 801/801 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(p1)&&G(p2))) U (G((X(p0)||(X(p1)&&G(p2))))||(p3&&(X(p0)||(X(p1)&&G(p2)))))))'
Stuttering acceptance computed with spot in 456 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (NOT p0), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), true, (NOT p2)]
Running random walk in product with property : JoinFreeModules-PT-0100-LTLFireability-00
Entered a terminal (fully accepting) state of product in 347 steps with 173 reset in 39 ms.
FORMULA JoinFreeModules-PT-0100-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0100-LTLFireability-00 finished in 1591 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 2 out of 500 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 500/500 places, 801/801 transitions.
Applied a total of 0 rules in 63 ms. Remains 500 /500 variables (removed 0) and now considering 801/801 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 21:42:32] [INFO ] Invariant cache hit.
[2026-05-25 21:42:32] [INFO ] Implicit Places using invariants in 169 ms returned []
[2026-05-25 21:42:32] [INFO ] Invariant cache hit.
[2026-05-25 21:42:32] [INFO ] State equation strengthened by 100 read => feed constraints.
[2026-05-25 21:42:33] [INFO ] Implicit Places using invariants and state equation in 622 ms returned []
Implicit Place search using SMT with State Equation took 793 ms to find 0 implicit places.
[2026-05-25 21:42:33] [INFO ] Redundant transitions in 65 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 932 ms. Remains : 500/500 places, 801/801 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Stuttering acceptance computed with spot in 50 ms :[(NOT p0)]
Running random walk in product with property : JoinFreeModules-PT-0100-LTLFireability-03
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA JoinFreeModules-PT-0100-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0100-LTLFireability-03 finished in 1022 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)))&&(F(p1) U !p0)))'
Support contains 2 out of 500 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 500/500 places, 801/801 transitions.
Applied a total of 0 rules in 10 ms. Remains 500 /500 variables (removed 0) and now considering 801/801 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 21:42:33] [INFO ] Invariant cache hit.
[2026-05-25 21:42:33] [INFO ] Implicit Places using invariants in 172 ms returned []
[2026-05-25 21:42:33] [INFO ] Invariant cache hit.
[2026-05-25 21:42:34] [INFO ] State equation strengthened by 100 read => feed constraints.
[2026-05-25 21:42:34] [INFO ] Implicit Places using invariants and state equation in 687 ms returned []
Implicit Place search using SMT with State Equation took 861 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 871 ms. Remains : 500/500 places, 801/801 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)))&&(F(p1) U !p0)))'
Stuttering acceptance computed with spot in 238 ms :[true, (NOT p0), (NOT p1), p0, (NOT p0)]
Running random walk in product with property : JoinFreeModules-PT-0100-LTLFireability-04
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA JoinFreeModules-PT-0100-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0100-LTLFireability-04 finished in 1156 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 1 out of 500 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 500/500 places, 801/801 transitions.
Applied a total of 0 rules in 40 ms. Remains 500 /500 variables (removed 0) and now considering 801/801 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 21:42:34] [INFO ] Invariant cache hit.
[2026-05-25 21:42:34] [INFO ] Implicit Places using invariants in 202 ms returned []
[2026-05-25 21:42:34] [INFO ] Invariant cache hit.
[2026-05-25 21:42:35] [INFO ] State equation strengthened by 100 read => feed constraints.
[2026-05-25 21:42:35] [INFO ] Implicit Places using invariants and state equation in 573 ms returned []
Implicit Place search using SMT with State Equation took 778 ms to find 0 implicit places.
[2026-05-25 21:42:35] [INFO ] Redundant transitions in 18 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 845 ms. Remains : 500/500 places, 801/801 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 82 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : JoinFreeModules-PT-0100-LTLFireability-05
Product exploration explored 100000 steps with 84 reset in 4221 ms.
Stack based approach found an accepted trace after 2884 steps with 3 reset with depth 368 and stack size 368 in 111 ms.
FORMULA JoinFreeModules-PT-0100-LTLFireability-05 FALSE TECHNIQUES STACK_TEST
Treatment of property JoinFreeModules-PT-0100-LTLFireability-05 finished in 5300 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 U (X(X(X((X(p1)||G(!p0))))) U (p0 U p2))))'
Support contains 3 out of 500 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 500/500 places, 801/801 transitions.
Applied a total of 0 rules in 5 ms. Remains 500 /500 variables (removed 0) and now considering 801/801 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 21:42:39] [INFO ] Invariant cache hit.
[2026-05-25 21:42:39] [INFO ] Implicit Places using invariants in 131 ms returned []
[2026-05-25 21:42:39] [INFO ] Invariant cache hit.
[2026-05-25 21:42:40] [INFO ] State equation strengthened by 100 read => feed constraints.
[2026-05-25 21:42:40] [INFO ] Implicit Places using invariants and state equation in 602 ms returned []
Implicit Place search using SMT with State Equation took 736 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 743 ms. Remains : 500/500 places, 801/801 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 U (X(X(X((X(p1)||G(!p0))))) U (p0 U p2))))'
Stuttering acceptance computed with spot in 686 ms :[(NOT p2), (AND (NOT p1) p0), (NOT p2), (AND (NOT p1) p0), (AND (NOT p1) p0), (NOT p1), (AND p0 (NOT p1)), true, (AND (NOT p1) (NOT p2) p0), p0, (AND (NOT p1) (NOT p2) p0), (AND (NOT p2) p0 (NOT p1)), (AND (NOT p1) (NOT p2)), (NOT p2)]
Running random walk in product with property : JoinFreeModules-PT-0100-LTLFireability-07
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA JoinFreeModules-PT-0100-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0100-LTLFireability-07 finished in 1522 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) U p1)&&(X(F(G(p2)))||!(p1 U p3)))))'
Support contains 4 out of 500 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 500/500 places, 801/801 transitions.
Applied a total of 0 rules in 8 ms. Remains 500 /500 variables (removed 0) and now considering 801/801 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 21:42:41] [INFO ] Invariant cache hit.
[2026-05-25 21:42:41] [INFO ] Implicit Places using invariants in 196 ms returned []
[2026-05-25 21:42:41] [INFO ] Invariant cache hit.
[2026-05-25 21:42:41] [INFO ] State equation strengthened by 100 read => feed constraints.
[2026-05-25 21:42:41] [INFO ] Implicit Places using invariants and state equation in 593 ms returned []
Implicit Place search using SMT with State Equation took 791 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 800 ms. Remains : 500/500 places, 801/801 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) U p1)&&(X(F(G(p2)))||!(p1 U p3)))))'
Stuttering acceptance computed with spot in 289 ms :[(OR p1 (AND (NOT p2) p3)), (OR p1 (AND (NOT p2) p3)), true, (NOT p2), (AND p0 p1), p0]
Running random walk in product with property : JoinFreeModules-PT-0100-LTLFireability-09
Product exploration explored 100000 steps with 2159 reset in 5246 ms.
Stack based approach found an accepted trace after 5715 steps with 1017 reset with depth 3531 and stack size 3531 in 213 ms.
FORMULA JoinFreeModules-PT-0100-LTLFireability-09 FALSE TECHNIQUES STACK_TEST
Treatment of property JoinFreeModules-PT-0100-LTLFireability-09 finished in 6605 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 U p1)&&(p2 U p3)))'
Support contains 4 out of 500 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 500/500 places, 801/801 transitions.
Applied a total of 0 rules in 20 ms. Remains 500 /500 variables (removed 0) and now considering 801/801 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 21:42:47] [INFO ] Invariant cache hit.
[2026-05-25 21:42:47] [INFO ] Implicit Places using invariants in 134 ms returned []
[2026-05-25 21:42:47] [INFO ] Invariant cache hit.
[2026-05-25 21:42:48] [INFO ] State equation strengthened by 100 read => feed constraints.
[2026-05-25 21:42:48] [INFO ] Implicit Places using invariants and state equation in 514 ms returned []
Implicit Place search using SMT with State Equation took 650 ms to find 0 implicit places.
[2026-05-25 21:42:48] [INFO ] Redundant transitions in 7 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 683 ms. Remains : 500/500 places, 801/801 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 U p1)&&(p2 U p3)))'
Stuttering acceptance computed with spot in 160 ms :[true, (NOT p3), (NOT p1), (OR (NOT p3) (NOT p1))]
Running random walk in product with property : JoinFreeModules-PT-0100-LTLFireability-10
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 1 ms.
FORMULA JoinFreeModules-PT-0100-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0100-LTLFireability-10 finished in 881 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 2 out of 500 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 500/500 places, 801/801 transitions.
Applied a total of 0 rules in 40 ms. Remains 500 /500 variables (removed 0) and now considering 801/801 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 21:42:48] [INFO ] Invariant cache hit.
[2026-05-25 21:42:48] [INFO ] Implicit Places using invariants in 174 ms returned []
[2026-05-25 21:42:48] [INFO ] Invariant cache hit.
[2026-05-25 21:42:49] [INFO ] State equation strengthened by 100 read => feed constraints.
[2026-05-25 21:42:49] [INFO ] Implicit Places using invariants and state equation in 648 ms returned []
Implicit Place search using SMT with State Equation took 825 ms to find 0 implicit places.
[2026-05-25 21:42:49] [INFO ] Redundant transitions in 11 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 884 ms. Remains : 500/500 places, 801/801 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 145 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : JoinFreeModules-PT-0100-LTLFireability-11
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA JoinFreeModules-PT-0100-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0100-LTLFireability-11 finished in 1068 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(X(X((p1 U p2))))))))'
Support contains 3 out of 500 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 500/500 places, 801/801 transitions.
Applied a total of 0 rules in 5 ms. Remains 500 /500 variables (removed 0) and now considering 801/801 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 21:42:49] [INFO ] Invariant cache hit.
[2026-05-25 21:42:49] [INFO ] Implicit Places using invariants in 167 ms returned []
[2026-05-25 21:42:49] [INFO ] Invariant cache hit.
[2026-05-25 21:42:50] [INFO ] State equation strengthened by 100 read => feed constraints.
[2026-05-25 21:42:50] [INFO ] Implicit Places using invariants and state equation in 619 ms returned []
Implicit Place search using SMT with State Equation took 790 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 796 ms. Remains : 500/500 places, 801/801 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(X(X((p1 U p2))))))))'
Stuttering acceptance computed with spot in 779 ms :[(NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), true, (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2)]
Running random walk in product with property : JoinFreeModules-PT-0100-LTLFireability-12
Product exploration explored 100000 steps with 16656 reset in 2238 ms.
Product exploration explored 100000 steps with 16667 reset in 2075 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 3 factoid took 179 ms. Reduced automaton from 16 states, 23 edges and 3 AP (stutter sensitive) to 16 states, 23 edges and 3 AP (stutter sensitive).
RANDOM walk for 40134 steps (8 resets) in 501 ms. (79 steps per ms) remains 2/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 553 ms. (72 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 424 ms. (94 steps per ms) remains 2/2 properties
[2026-05-25 21:42:56] [INFO ] Invariant cache hit.
[2026-05-25 21:42:56] [INFO ] State equation strengthened by 100 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 12/15 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/15 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 24/39 variables, 15/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/39 variables, 3/21 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/39 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/39 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 39/1301 variables, and 21 constraints, problems are : Problem set: 0 solved, 2 unsolved in 67 ms.
Refiners :[Positive P Invariants (semi-flows): 3/100 constraints, State Equation: 15/500 constraints, ReadFeed: 3/100 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 12/15 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/15 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/15 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 24/39 variables, 15/20 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/39 variables, 3/23 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/39 variables, 2/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/39 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/39 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 39/1301 variables, and 25 constraints, problems are : Problem set: 0 solved, 2 unsolved in 205 ms.
Refiners :[Positive P Invariants (semi-flows): 3/100 constraints, State Equation: 15/500 constraints, ReadFeed: 3/100 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 288ms problems are : Problem set: 0 solved, 2 unsolved
Finished Parikh walk after 181 steps, including 0 resets, run visited all 2 properties in 8 ms. (steps per millisecond=22 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 2 properties in 8 ms.
Knowledge based reduction with 3 factoid took 310 ms. Reduced automaton from 16 states, 23 edges and 3 AP (stutter sensitive) to 16 states, 23 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 744 ms :[(NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), true, (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2)]
Knowledge-based reduction took 2261 ms.
Stuttering acceptance computed with spot in 625 ms :[(NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), true, (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2)]
Support contains 3 out of 500 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 500/500 places, 801/801 transitions.
Applied a total of 0 rules in 5 ms. Remains 500 /500 variables (removed 0) and now considering 801/801 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 21:42:58] [INFO ] Invariant cache hit.
[2026-05-25 21:42:58] [INFO ] Implicit Places using invariants in 128 ms returned []
[2026-05-25 21:42:58] [INFO ] Invariant cache hit.
[2026-05-25 21:42:59] [INFO ] State equation strengthened by 100 read => feed constraints.
[2026-05-25 21:42:59] [INFO ] Implicit Places using invariants and state equation in 1032 ms returned []
Implicit Place search using SMT with State Equation took 1161 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1166 ms. Remains : 500/500 places, 801/801 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 3 factoid took 108 ms. Reduced automaton from 16 states, 23 edges and 3 AP (stutter sensitive) to 16 states, 23 edges and 3 AP (stutter sensitive).
RANDOM walk for 40166 steps (8 resets) in 439 ms. (91 steps per ms) remains 2/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 547 ms. (73 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 402 ms. (99 steps per ms) remains 2/2 properties
[2026-05-25 21:43:00] [INFO ] Invariant cache hit.
[2026-05-25 21:43:00] [INFO ] State equation strengthened by 100 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 8/10 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 16/26 variables, 10/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/26 variables, 2/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/26 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/26 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 26/1301 variables, and 14 constraints, problems are : Problem set: 0 solved, 2 unsolved in 66 ms.
Refiners :[Positive P Invariants (semi-flows): 2/100 constraints, State Equation: 10/500 constraints, ReadFeed: 2/100 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 8/10 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 16/26 variables, 10/13 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/26 variables, 2/15 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/26 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/26 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/26 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 26/1301 variables, and 17 constraints, problems are : Problem set: 0 solved, 2 unsolved in 111 ms.
Refiners :[Positive P Invariants (semi-flows): 2/100 constraints, State Equation: 10/500 constraints, ReadFeed: 2/100 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 187ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Finished Parikh walk after 71 steps, including 0 resets, run visited all 2 properties in 3 ms. (steps per millisecond=23 )
Parikh walk visited 2 properties in 3 ms.
Knowledge based reduction with 3 factoid took 187 ms. Reduced automaton from 16 states, 23 edges and 3 AP (stutter sensitive) to 16 states, 23 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 568 ms :[(NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), true, (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2)]
Knowledge-based reduction took 1710 ms.
Stuttering acceptance computed with spot in 577 ms :[(NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), true, (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2)]
Stuttering acceptance computed with spot in 549 ms :[(NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), true, (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2)]
Product exploration explored 100000 steps with 16655 reset in 1922 ms.
Product exploration explored 100000 steps with 16724 reset in 2079 ms.
Spot run failed in 109 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/ltsmin4755225138395173258
[2026-05-25 21:43:06] [INFO ] Built C files in 40ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin4755225138395173258
Running compilation step : cd /tmp/ltsmin4755225138395173258;'/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 1990 ms.
Running link step : cd /tmp/ltsmin4755225138395173258;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 60 ms.
Running LTSmin : cd /tmp/ltsmin4755225138395173258;'/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/stateBased6735103766939505835.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 3 out of 500 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 500/500 places, 801/801 transitions.
Applied a total of 0 rules in 4 ms. Remains 500 /500 variables (removed 0) and now considering 801/801 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 21:43:21] [INFO ] Invariant cache hit.
[2026-05-25 21:43:21] [INFO ] Implicit Places using invariants in 140 ms returned []
[2026-05-25 21:43:21] [INFO ] Invariant cache hit.
[2026-05-25 21:43:22] [INFO ] State equation strengthened by 100 read => feed constraints.
[2026-05-25 21:43:22] [INFO ] Implicit Places using invariants and state equation in 475 ms returned []
Implicit Place search using SMT with State Equation took 617 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 627 ms. Remains : 500/500 places, 801/801 transitions.
Built C files in :
/tmp/ltsmin2903612331355848700
[2026-05-25 21:43:22] [INFO ] Built C files in 16ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin2903612331355848700
Running compilation step : cd /tmp/ltsmin2903612331355848700;'/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 1913 ms.
Running link step : cd /tmp/ltsmin2903612331355848700;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 40 ms.
Running LTSmin : cd /tmp/ltsmin2903612331355848700;'/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/stateBased4057933701320128113.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2026-05-25 21:43:37] [INFO ] Flatten gal took : 41 ms
[2026-05-25 21:43:37] [INFO ] Flatten gal took : 35 ms
[2026-05-25 21:43:37] [INFO ] Time to serialize gal into /tmp/LTL17400556592059786771.gal : 13 ms
[2026-05-25 21:43:37] [INFO ] Time to serialize properties into /tmp/LTL8834121532051923161.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/LTL17400556592059786771.gal' '-t' 'CGAL' '-hoa' '/tmp/aut11393810700159783660.hoa' '-atoms' '/tmp/LTL8834121532051923161.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...319
Loading property file /tmp/LTL8834121532051923161.prop.
Loaded 3 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut11393810700159783660.hoa
Detected timeout of ITS tools.
[2026-05-25 21:43:52] [INFO ] Flatten gal took : 34 ms
[2026-05-25 21:43:52] [INFO ] Flatten gal took : 33 ms
[2026-05-25 21:43:52] [INFO ] Time to serialize gal into /tmp/LTL7092787425730771230.gal : 7 ms
[2026-05-25 21:43:52] [INFO ] Time to serialize properties into /tmp/LTL11221327618314550765.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/LTL7092787425730771230.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL11221327618314550765.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 : !((G(("(p446>=5)")U(X(X(X(X(("(p338>=1)")U("(p333>=2)")))))))))
Formula 0 simplified : F(!"(p446>=5)" R XXXX(!"(p338>=1)" R !"(p333>=2)"))
Detected timeout of ITS tools.
[2026-05-25 21:44:07] [INFO ] Flatten gal took : 27 ms
[2026-05-25 21:44:07] [INFO ] Applying decomposition
[2026-05-25 21:44:07] [INFO ] Flatten gal took : 26 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/graph855944312477291691.txt' '-o' '/tmp/graph855944312477291691.bin' '-w' '/tmp/graph855944312477291691.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph855944312477291691.bin' '-l' '-1' '-v' '-w' '/tmp/graph855944312477291691.weights' '-q' '0' '-e' '0.001'
[2026-05-25 21:44:08] [INFO ] Decomposing Gal with order
[2026-05-25 21:44:08] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 21:44:08] [INFO ] Flatten gal took : 139 ms
[2026-05-25 21:44:08] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 17 ms.
[2026-05-25 21:44:08] [INFO ] Time to serialize gal into /tmp/LTL3614355642881449758.gal : 10 ms
[2026-05-25 21:44:08] [INFO ] Time to serialize properties into /tmp/LTL1294435753271339025.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/LTL3614355642881449758.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL1294435753271339025.ltl' '-c' '-stutter-deadlock'

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...254
Read 1 LTL properties
Checking formula 0 : !((G(("(u89.p446>=5)")U(X(X(X(X(("(u67.p338>=1)")U("(u66.p333>=2)")))))))))
Formula 0 simplified : F(!"(u89.p446>=5)" R XXXX(!"(u67.p338>=1)" R !"(u66.p333>=2)"))
Reverse transition relation is NOT exact ! Due to transitions u0.t1, u0.t2, u0.t3, u0.t4, u0.t8, u1.t9, u1.t10, u1.t11, u1.t12, u1.t16, u2.t17, u2.t18, u2....5044
6 unique states visited
6 strongly connected components in search stack
7 transitions explored
6 items max in DFS search stack
1349 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,13.6185,213316,1,0,98330,706284,3863,42151,1083,714156,89726
an accepting run exists (use option '-e' to print it)
Formula 0 is FALSE accepting run found.
FORMULA JoinFreeModules-PT-0100-LTLFireability-12 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Treatment of property JoinFreeModules-PT-0100-LTLFireability-12 finished in 93042 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 500 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 500/500 places, 801/801 transitions.
Applied a total of 0 rules in 16 ms. Remains 500 /500 variables (removed 0) and now considering 801/801 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 21:44:22] [INFO ] Invariant cache hit.
[2026-05-25 21:44:22] [INFO ] Implicit Places using invariants in 194 ms returned []
[2026-05-25 21:44:22] [INFO ] Invariant cache hit.
[2026-05-25 21:44:23] [INFO ] State equation strengthened by 100 read => feed constraints.
[2026-05-25 21:44:23] [INFO ] Implicit Places using invariants and state equation in 650 ms returned []
Implicit Place search using SMT with State Equation took 846 ms to find 0 implicit places.
[2026-05-25 21:44:23] [INFO ] Redundant transitions in 10 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 880 ms. Remains : 500/500 places, 801/801 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 52 ms :[(NOT p0)]
Running random walk in product with property : JoinFreeModules-PT-0100-LTLFireability-13
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA JoinFreeModules-PT-0100-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0100-LTLFireability-13 finished in 965 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(p0)||(p0&&F((G(F(p1))||(F(p1)&&((p1||F(p2)) U (G((p1||F(p2)))||(!p2&&(p1||F(p2)))))))))))))'
Support contains 2 out of 500 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 500/500 places, 801/801 transitions.
Applied a total of 0 rules in 25 ms. Remains 500 /500 variables (removed 0) and now considering 801/801 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 21:44:23] [INFO ] Invariant cache hit.
[2026-05-25 21:44:23] [INFO ] Implicit Places using invariants in 174 ms returned []
[2026-05-25 21:44:23] [INFO ] Invariant cache hit.
[2026-05-25 21:44:24] [INFO ] State equation strengthened by 100 read => feed constraints.
[2026-05-25 21:44:24] [INFO ] Implicit Places using invariants and state equation in 648 ms returned []
Implicit Place search using SMT with State Equation took 825 ms to find 0 implicit places.
[2026-05-25 21:44:24] [INFO ] Redundant transitions in 5 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 862 ms. Remains : 500/500 places, 801/801 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(p0)||(p0&&F((G(F(p1))||(F(p1)&&((p1||F(p2)) U (G((p1||F(p2)))||(!p2&&(p1||F(p2)))))))))))))'
Stuttering acceptance computed with spot in 100 ms :[(NOT p0), (NOT p0), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : JoinFreeModules-PT-0100-LTLFireability-15
Product exploration explored 100000 steps with 44 reset in 4974 ms.
Stack based approach found an accepted trace after 5994 steps with 4 reset with depth 735 and stack size 734 in 240 ms.
FORMULA JoinFreeModules-PT-0100-LTLFireability-15 FALSE TECHNIQUES STACK_TEST
Treatment of property JoinFreeModules-PT-0100-LTLFireability-15 finished in 6246 ms.
All properties solved by simple procedures.
Total runtime 145966 ms.

BK_STOP 1779745470019

--------------------
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
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -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 LTLFireability -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-0100"
export BK_EXAMINATION="LTLFireability"
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-0100, examination is LTLFireability"
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-177961107700188"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/JoinFreeModules-PT-0100.tgz
mv JoinFreeModules-PT-0100 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "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 [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "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 "LTLFireability.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 '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
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 ;