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-177961107700140.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-0003, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r162-smll-177961107700140
=====================================================================

--------------------
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-LTLFireability-00
FORMULA_NAME JoinFreeModules-PT-0003-LTLFireability-01
FORMULA_NAME JoinFreeModules-PT-0003-LTLFireability-02
FORMULA_NAME JoinFreeModules-PT-0003-LTLFireability-03
FORMULA_NAME JoinFreeModules-PT-0003-LTLFireability-04
FORMULA_NAME JoinFreeModules-PT-0003-LTLFireability-05
FORMULA_NAME JoinFreeModules-PT-0003-LTLFireability-06
FORMULA_NAME JoinFreeModules-PT-0003-LTLFireability-07
FORMULA_NAME JoinFreeModules-PT-0003-LTLFireability-08
FORMULA_NAME JoinFreeModules-PT-0003-LTLFireability-09
FORMULA_NAME JoinFreeModules-PT-0003-LTLFireability-10
FORMULA_NAME JoinFreeModules-PT-0003-LTLFireability-11
FORMULA_NAME JoinFreeModules-PT-0003-LTLFireability-12
FORMULA_NAME JoinFreeModules-PT-0003-LTLFireability-13
FORMULA_NAME JoinFreeModules-PT-0003-LTLFireability-14
FORMULA_NAME JoinFreeModules-PT-0003-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779729449129

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-0003
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-25 17:17:31] [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 17:17:31] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 17:17:31] [INFO ] Load time of PNML (sax parser for PT used): 82 ms
[2026-05-25 17:17:31] [INFO ] Transformed 16 places.
[2026-05-25 17:17:31] [INFO ] Transformed 25 transitions.
[2026-05-25 17:17:31] [INFO ] Parsed PT model containing 16 places and 25 transitions and 71 arcs in 290 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 22 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
Reduce places removed 1 places and 0 transitions.
FORMULA JoinFreeModules-PT-0003-LTLFireability-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA JoinFreeModules-PT-0003-LTLFireability-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA JoinFreeModules-PT-0003-LTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA JoinFreeModules-PT-0003-LTLFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 13 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 17 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-8717620914505792780.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2990920933337437617.kers'
[2026-05-25 17:17:32] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8717620914505792780.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2990920933337437617.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 17:17:32] [INFO ] Computed 3 invariants in 0 ms
Computed 3 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-2990920933337437617.kers
Total runtime 2 ms.
[2026-05-25 17:17:32] [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 1302 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 1027 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 2447ms problems are : Problem set: 0 solved, 18 unsolved
Search for dead transitions found 0 dead transitions in 2484ms
[2026-05-25 17:17:34] [INFO ] Invariant cache hit.
[2026-05-25 17:17:34] [INFO ] Implicit Places using invariants in 36 ms returned []
[2026-05-25 17:17:34] [INFO ] Invariant cache hit.
[2026-05-25 17:17:34] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-25 17:17:34] [INFO ] Implicit Places using invariants and state equation in 61 ms returned []
Implicit Place search using SMT with State Equation took 114 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 2744 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 17:17:34] [INFO ] Invariant cache hit.
[2026-05-25 17:17:34] [INFO ] Implicit Places using invariants in 24 ms returned []
[2026-05-25 17:17:34] [INFO ] Invariant cache hit.
[2026-05-25 17:17:34] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-25 17:17:34] [INFO ] Implicit Places using invariants and state equation in 80 ms returned []
Implicit Place search using SMT with State Equation took 115 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 117 ms. Remains : 15/15 places, 25/25 transitions.
Support contains 13 out of 15 places after structural reductions.
[2026-05-25 17:17:35] [INFO ] Flatten gal took : 35 ms
[2026-05-25 17:17:35] [INFO ] Flatten gal took : 12 ms
[2026-05-25 17:17:35] [INFO ] Input system was already deterministic with 25 transitions.
RANDOM walk for 40001 steps (8 resets) in 1213 ms. (32 steps per ms) remains 2/22 properties
BEST_FIRST walk for 40004 steps (8 resets) in 319 ms. (125 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (8 resets) in 164 ms. (242 steps per ms) remains 2/2 properties
[2026-05-25 17:17:35] [INFO ] Invariant cache hit.
[2026-05-25 17:17:35] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem AtomicPropp5 is UNSAT
Problem AtomicPropp20 is UNSAT
After SMT solving in domain Real declared 15/40 variables, and 3 constraints, problems are : Problem set: 2 solved, 0 unsolved in 43 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/15 constraints, ReadFeed: 0/3 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 52ms problems are : Problem set: 2 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
FORMULA JoinFreeModules-PT-0003-LTLFireability-06 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 2 atomic propositions for a total of 11 simplifications.
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G((p0 U p1))))'
Support contains 2 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 7 ms. Remains 15 /15 variables (removed 0) and now considering 25/25 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 17:17:36] [INFO ] Invariant cache hit.
[2026-05-25 17:17:36] [INFO ] Implicit Places using invariants in 31 ms returned []
[2026-05-25 17:17:36] [INFO ] Invariant cache hit.
[2026-05-25 17:17:36] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-25 17:17:36] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 80 ms to find 0 implicit places.
[2026-05-25 17:17:36] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 96 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 U p1))))'
Stuttering acceptance computed with spot in 349 ms :[(NOT p1), (NOT p1)]
Running random walk in product with property : JoinFreeModules-PT-0003-LTLFireability-00
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 2 ms.
FORMULA JoinFreeModules-PT-0003-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0003-LTLFireability-00 finished in 574 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(!p1))))'
Support contains 2 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 3 ms. Remains 15 /15 variables (removed 0) and now considering 25/25 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 17:17:37] [INFO ] Invariant cache hit.
[2026-05-25 17:17:37] [INFO ] Implicit Places using invariants in 29 ms returned []
[2026-05-25 17:17:37] [INFO ] Invariant cache hit.
[2026-05-25 17:17:37] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-25 17:17:37] [INFO ] Implicit Places using invariants and state equation in 47 ms returned []
Implicit Place search using SMT with State Equation took 78 ms to find 0 implicit places.
[2026-05-25 17:17:37] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 89 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(p0)&&F(p1))))'
Stuttering acceptance computed with spot in 156 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : JoinFreeModules-PT-0003-LTLFireability-01
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 1 ms.
FORMULA JoinFreeModules-PT-0003-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0003-LTLFireability-01 finished in 284 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 4 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 3 ms. Remains 15 /15 variables (removed 0) and now considering 25/25 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 17:17:37] [INFO ] Invariant cache hit.
[2026-05-25 17:17:37] [INFO ] Implicit Places using invariants in 45 ms returned []
[2026-05-25 17:17:37] [INFO ] Invariant cache hit.
[2026-05-25 17:17:37] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-25 17:17:37] [INFO ] Implicit Places using invariants and state equation in 57 ms returned []
Implicit Place search using SMT with State Equation took 107 ms to find 0 implicit places.
[2026-05-25 17:17:37] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 118 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 54 ms :[(NOT p0)]
Running random walk in product with property : JoinFreeModules-PT-0003-LTLFireability-02
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA JoinFreeModules-PT-0003-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0003-LTLFireability-02 finished in 208 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 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 3 ms. Remains 15 /15 variables (removed 0) and now considering 25/25 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 17:17:37] [INFO ] Invariant cache hit.
[2026-05-25 17:17:37] [INFO ] Implicit Places using invariants in 32 ms returned []
[2026-05-25 17:17:37] [INFO ] Invariant cache hit.
[2026-05-25 17:17:37] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-25 17:17:37] [INFO ] Implicit Places using invariants and state equation in 58 ms returned []
Implicit Place search using SMT with State Equation took 92 ms to find 0 implicit places.
[2026-05-25 17:17:37] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 103 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(p0))'
Stuttering acceptance computed with spot in 51 ms :[(NOT p0)]
Running random walk in product with property : JoinFreeModules-PT-0003-LTLFireability-03
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA JoinFreeModules-PT-0003-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0003-LTLFireability-03 finished in 189 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 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 2 ms. Remains 15 /15 variables (removed 0) and now considering 25/25 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 17:17:37] [INFO ] Invariant cache hit.
[2026-05-25 17:17:37] [INFO ] Implicit Places using invariants in 31 ms returned []
[2026-05-25 17:17:37] [INFO ] Invariant cache hit.
[2026-05-25 17:17:37] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-25 17:17:37] [INFO ] Implicit Places using invariants and state equation in 57 ms returned []
Implicit Place search using SMT with State Equation took 90 ms to find 0 implicit places.
[2026-05-25 17:17:37] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_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' '!(F(p0))'
Stuttering acceptance computed with spot in 47 ms :[(NOT p0)]
Running random walk in product with property : JoinFreeModules-PT-0003-LTLFireability-05
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA JoinFreeModules-PT-0003-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0003-LTLFireability-05 finished in 178 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((F(p0)&&F(p1)) U (p2||X(p3))))'
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 0 ms. Remains 15 /15 variables (removed 0) and now considering 25/25 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 17:17:37] [INFO ] Invariant cache hit.
[2026-05-25 17:17:37] [INFO ] Implicit Places using invariants in 27 ms returned []
[2026-05-25 17:17:37] [INFO ] Invariant cache hit.
[2026-05-25 17:17:37] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-25 17:17:37] [INFO ] Implicit Places using invariants and state equation in 35 ms returned []
Implicit Place search using SMT with State Equation took 65 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 66 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(p0)&&F(p1)) U (p2||X(p3))))'
Stuttering acceptance computed with spot in 306 ms :[(AND (NOT p2) (NOT p3)), (AND (NOT p0) (NOT p3)), (AND (NOT p1) (NOT p3)), (AND (NOT p2) (NOT p3)), (NOT p0), (NOT p1)]
Running random walk in product with property : JoinFreeModules-PT-0003-LTLFireability-07
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 1 ms.
FORMULA JoinFreeModules-PT-0003-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0003-LTLFireability-07 finished in 435 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(X(F(p0))))))'
Support contains 1 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 17:17:38] [INFO ] Invariant cache hit.
[2026-05-25 17:17:38] [INFO ] Implicit Places using invariants in 27 ms returned []
[2026-05-25 17:17:38] [INFO ] Invariant cache hit.
[2026-05-25 17:17:38] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-25 17:17:38] [INFO ] Implicit Places using invariants and state equation in 43 ms returned []
Implicit Place search using SMT with State Equation took 78 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 80 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(X(F(p0))))))'
Stuttering acceptance computed with spot in 193 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
Running random walk in product with property : JoinFreeModules-PT-0003-LTLFireability-09
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA JoinFreeModules-PT-0003-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0003-LTLFireability-09 finished in 304 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 G(p1))||X(X(X(p1)))))&&F(p2)))'
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 0 ms. Remains 15 /15 variables (removed 0) and now considering 25/25 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 17:17:38] [INFO ] Invariant cache hit.
[2026-05-25 17:17:38] [INFO ] Implicit Places using invariants in 20 ms returned []
[2026-05-25 17:17:38] [INFO ] Invariant cache hit.
[2026-05-25 17:17:38] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-25 17:17:38] [INFO ] Implicit Places using invariants and state equation in 38 ms returned []
Implicit Place search using SMT with State Equation took 61 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 62 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 G(p1))||X(X(X(p1)))))&&F(p2)))'
Stuttering acceptance computed with spot in 493 ms :[(OR (NOT p2) (NOT p1)), (NOT p1), (NOT p1), (NOT p2), (NOT p1), (NOT p1), (NOT p1), true, (NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Running random walk in product with property : JoinFreeModules-PT-0003-LTLFireability-10
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA JoinFreeModules-PT-0003-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0003-LTLFireability-10 finished in 627 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((G(p0)||(p0&&F((G(F(p1))||(F(p1)&&X(p2)))))))))'
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 17:17:39] [INFO ] Invariant cache hit.
[2026-05-25 17:17:39] [INFO ] Implicit Places using invariants in 20 ms returned []
[2026-05-25 17:17:39] [INFO ] Invariant cache hit.
[2026-05-25 17:17:39] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-25 17:17:39] [INFO ] Implicit Places using invariants and state equation in 43 ms returned []
Implicit Place search using SMT with State Equation took 65 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 66 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(F((G(p0)||(p0&&F((G(F(p1))||(F(p1)&&X(p2)))))))))'
Stuttering acceptance computed with spot in 216 ms :[(NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1) (NOT p2)), (NOT p0)]
Running random walk in product with property : JoinFreeModules-PT-0003-LTLFireability-11
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA JoinFreeModules-PT-0003-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0003-LTLFireability-11 finished in 345 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(((X(p0)&&(p1 U (p2||G(p1))))||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 17:17:39] [INFO ] Invariant cache hit.
[2026-05-25 17:17:39] [INFO ] Implicit Places using invariants in 27 ms returned []
[2026-05-25 17:17:39] [INFO ] Invariant cache hit.
[2026-05-25 17:17:39] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-25 17:17:39] [INFO ] Implicit Places using invariants and state equation in 51 ms returned []
Implicit Place search using SMT with State Equation took 80 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' '!(F((G(p0)||(X(p0)&&(p1 U (p2||G(p1)))))))'
Stuttering acceptance computed with spot in 157 ms :[(NOT p0), (NOT p0), (AND (NOT p2) (NOT p1) (NOT p0))]
Running random walk in product with property : JoinFreeModules-PT-0003-LTLFireability-12
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 11 ms.
FORMULA JoinFreeModules-PT-0003-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0003-LTLFireability-12 finished in 284 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&&X(p0))||X(G(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 17:17:39] [INFO ] Invariant cache hit.
[2026-05-25 17:17:39] [INFO ] Implicit Places using invariants in 36 ms returned []
[2026-05-25 17:17:39] [INFO ] Invariant cache hit.
[2026-05-25 17:17:39] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-25 17:17:39] [INFO ] Implicit Places using invariants and state equation in 48 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 89 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 (X(G(p0))||(p1&&X(p0))))))'
Stuttering acceptance computed with spot in 149 ms :[(NOT p0), (NOT p0), (NOT p0), true]
Running random walk in product with property : JoinFreeModules-PT-0003-LTLFireability-13
Entered a terminal (fully accepting) state of product in 728 steps with 234 reset in 16 ms.
FORMULA JoinFreeModules-PT-0003-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0003-LTLFireability-13 finished in 307 ms.
All properties solved by simple procedures.
Total runtime 8728 ms.

BK_STOP 1779729460268

--------------------
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-0003"
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-0003, 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-177961107700140"
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 [ "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 ;