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-177961107700156.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is JoinFreeModules-PT-0005, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r162-smll-177961107700156
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 444K
-rw-r--r-- 1 mcc users 6.6K Mar 7 16:35 CTLCardinality.txt
-rw-r--r-- 1 mcc users 74K Mar 7 16:35 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K Mar 7 16:35 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K Mar 7 16:35 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 11:03 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 11:03 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 11:03 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 11:03 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 7 16:35 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 126K Mar 7 16:35 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Mar 7 16:35 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 47K Mar 7 16:35 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 11:03 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 11:03 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 16K 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-0005-LTLFireability-00
FORMULA_NAME JoinFreeModules-PT-0005-LTLFireability-01
FORMULA_NAME JoinFreeModules-PT-0005-LTLFireability-02
FORMULA_NAME JoinFreeModules-PT-0005-LTLFireability-03
FORMULA_NAME JoinFreeModules-PT-0005-LTLFireability-04
FORMULA_NAME JoinFreeModules-PT-0005-LTLFireability-05
FORMULA_NAME JoinFreeModules-PT-0005-LTLFireability-06
FORMULA_NAME JoinFreeModules-PT-0005-LTLFireability-07
FORMULA_NAME JoinFreeModules-PT-0005-LTLFireability-08
FORMULA_NAME JoinFreeModules-PT-0005-LTLFireability-09
FORMULA_NAME JoinFreeModules-PT-0005-LTLFireability-10
FORMULA_NAME JoinFreeModules-PT-0005-LTLFireability-11
FORMULA_NAME JoinFreeModules-PT-0005-LTLFireability-12
FORMULA_NAME JoinFreeModules-PT-0005-LTLFireability-13
FORMULA_NAME JoinFreeModules-PT-0005-LTLFireability-14
FORMULA_NAME JoinFreeModules-PT-0005-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779729883231

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-0005
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-25 17:24:45] [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 17:24:45] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 17:24:45] [INFO ] Load time of PNML (sax parser for PT used): 68 ms
[2026-05-25 17:24:45] [INFO ] Transformed 26 places.
[2026-05-25 17:24:45] [INFO ] Transformed 41 transitions.
[2026-05-25 17:24:45] [INFO ] Parsed PT model containing 26 places and 41 transitions and 117 arcs in 231 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 16 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
Reduce places removed 1 places and 0 transitions.
FORMULA JoinFreeModules-PT-0005-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA JoinFreeModules-PT-0005-LTLFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA JoinFreeModules-PT-0005-LTLFireability-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 20 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 41/41 transitions.
Applied a total of 0 rules in 19 ms. Remains 25 /25 variables (removed 0) and now considering 41/41 (removed 0) transitions.
Running 30 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-8104822698388536303.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5900933631520541360.kers'
[2026-05-25 17:24:46] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8104822698388536303.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5900933631520541360.kers]
Normalized transition count is 40 out of 41 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 40 rows 25 cols 100 entries
Finished phase 1 with 20 SingleSign rule and 0 generalized
[2026-05-25 17:24:46] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-5900933631520541360.kers
Total runtime 2 ms.
[2026-05-25 17:24:46] [INFO ] State equation strengthened by 5 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 1 (OVERLAPS) 5/25 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 5/10 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 4 (OVERLAPS) 40/65 variables, 25/35 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/65 variables, 5/40 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/65 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 7 (OVERLAPS) 0/65 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 30 unsolved
No progress, stopping.
After SMT solving in domain Real declared 65/66 variables, and 40 constraints, problems are : Problem set: 0 solved, 30 unsolved in 1654 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 25/25 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 30/30 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 30 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 1 (OVERLAPS) 5/25 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 5/10 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 4 (OVERLAPS) 40/65 variables, 25/35 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/65 variables, 5/40 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/65 variables, 30/70 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/65 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 8 (OVERLAPS) 0/65 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 30 unsolved
No progress, stopping.
After SMT solving in domain Int declared 65/66 variables, and 70 constraints, problems are : Problem set: 0 solved, 30 unsolved in 2419 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 25/25 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 30/30 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4181ms problems are : Problem set: 0 solved, 30 unsolved
Search for dead transitions found 0 dead transitions in 4206ms
[2026-05-25 17:24:50] [INFO ] Invariant cache hit.
[2026-05-25 17:24:50] [INFO ] Implicit Places using invariants in 48 ms returned []
[2026-05-25 17:24:50] [INFO ] Invariant cache hit.
[2026-05-25 17:24:50] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-25 17:24:50] [INFO ] Implicit Places using invariants and state equation in 56 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 4480 ms. Remains : 25/25 places, 41/41 transitions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 41/41 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 41/41 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 17:24:50] [INFO ] Invariant cache hit.
[2026-05-25 17:24:50] [INFO ] Implicit Places using invariants in 30 ms returned []
[2026-05-25 17:24:50] [INFO ] Invariant cache hit.
[2026-05-25 17:24:50] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-25 17:24:50] [INFO ] Implicit Places using invariants and state equation in 50 ms returned []
Implicit Place search using SMT with State Equation took 84 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 85 ms. Remains : 25/25 places, 41/41 transitions.
Support contains 20 out of 25 places after structural reductions.
[2026-05-25 17:24:50] [INFO ] Flatten gal took : 28 ms
[2026-05-25 17:24:50] [INFO ] Flatten gal took : 9 ms
[2026-05-25 17:24:50] [INFO ] Input system was already deterministic with 41 transitions.
RANDOM walk for 1051 steps (0 resets) in 106 ms. (9 steps per ms) remains 0/24 properties
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(G(p0)) U (F((p1&&F(p2)))&&X(p3))))'
Support contains 4 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 41/41 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 41/41 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 17:24:51] [INFO ] Invariant cache hit.
[2026-05-25 17:24:51] [INFO ] Implicit Places using invariants in 35 ms returned []
[2026-05-25 17:24:51] [INFO ] Invariant cache hit.
[2026-05-25 17:24:51] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-25 17:24:51] [INFO ] Implicit Places using invariants and state equation in 61 ms returned []
Implicit Place search using SMT with State Equation took 98 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 99 ms. Remains : 25/25 places, 41/41 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 (F((p1&&F(p2)))&&X(p3))))'
Stuttering acceptance computed with spot in 539 ms :[(OR (NOT p3) (NOT p1) (NOT p2)), (OR (NOT p1) (NOT p2)), (NOT p3), (NOT p2), true, (NOT p0)]
Running random walk in product with property : JoinFreeModules-PT-0005-LTLFireability-00
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 1 ms.
FORMULA JoinFreeModules-PT-0005-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0005-LTLFireability-00 finished in 790 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)||(F(p0)&&X(F(p1)))))'
Support contains 2 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 41/41 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 41/41 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 17:24:52] [INFO ] Invariant cache hit.
[2026-05-25 17:24:52] [INFO ] Implicit Places using invariants in 34 ms returned []
[2026-05-25 17:24:52] [INFO ] Invariant cache hit.
[2026-05-25 17:24:52] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-25 17:24:52] [INFO ] Implicit Places using invariants and state equation in 64 ms returned []
Implicit Place search using SMT with State Equation took 100 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 102 ms. Remains : 25/25 places, 41/41 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)||(F(p0)&&X(F(p1)))))'
Stuttering acceptance computed with spot in 194 ms :[(NOT p0), (NOT p0), (NOT p1), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : JoinFreeModules-PT-0005-LTLFireability-01
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 1 ms.
FORMULA JoinFreeModules-PT-0005-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0005-LTLFireability-01 finished in 338 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&&(F(p1) U p2)) U G(!p0))))'
Support contains 3 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 41/41 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 41/41 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 17:24:52] [INFO ] Invariant cache hit.
[2026-05-25 17:24:52] [INFO ] Implicit Places using invariants in 26 ms returned []
[2026-05-25 17:24:52] [INFO ] Invariant cache hit.
[2026-05-25 17:24:52] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-25 17:24:52] [INFO ] Implicit Places using invariants and state equation in 45 ms returned []
Implicit Place search using SMT with State Equation took 73 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 75 ms. Remains : 25/25 places, 41/41 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&&(F(p1) U p2)) U G(!p0))))'
Stuttering acceptance computed with spot in 240 ms :[p0, p0, (NOT p1), (NOT p2), p0, true]
Running random walk in product with property : JoinFreeModules-PT-0005-LTLFireability-02
Entered a terminal (fully accepting) state of product in 45 steps with 0 reset in 2 ms.
FORMULA JoinFreeModules-PT-0005-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0005-LTLFireability-02 finished in 361 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 5 out of 25 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 25/25 places, 41/41 transitions.
Applied a total of 0 rules in 11 ms. Remains 25 /25 variables (removed 0) and now considering 41/41 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 17:24:52] [INFO ] Invariant cache hit.
[2026-05-25 17:24:52] [INFO ] Implicit Places using invariants in 26 ms returned []
[2026-05-25 17:24:52] [INFO ] Invariant cache hit.
[2026-05-25 17:24:53] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-25 17:24:53] [INFO ] Implicit Places using invariants and state equation in 49 ms returned []
Implicit Place search using SMT with State Equation took 77 ms to find 0 implicit places.
[2026-05-25 17:24:53] [INFO ] Redundant transitions in 1 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 94 ms. Remains : 25/25 places, 41/41 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 42 ms :[(NOT p0)]
Running random walk in product with property : JoinFreeModules-PT-0005-LTLFireability-03
Stuttering criterion allowed to conclude after 2545 steps with 0 reset in 41 ms.
FORMULA JoinFreeModules-PT-0005-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0005-LTLFireability-03 finished in 203 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||G(p1)))))'
Support contains 2 out of 25 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 25/25 places, 41/41 transitions.
Applied a total of 0 rules in 5 ms. Remains 25 /25 variables (removed 0) and now considering 41/41 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 17:24:53] [INFO ] Invariant cache hit.
[2026-05-25 17:24:53] [INFO ] Implicit Places using invariants in 37 ms returned []
[2026-05-25 17:24:53] [INFO ] Invariant cache hit.
[2026-05-25 17:24:53] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-25 17:24:53] [INFO ] Implicit Places using invariants and state equation in 50 ms returned []
Implicit Place search using SMT with State Equation took 91 ms to find 0 implicit places.
[2026-05-25 17:24:53] [INFO ] Redundant transitions in 1 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 108 ms. Remains : 25/25 places, 41/41 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||G(p1)))))'
Stuttering acceptance computed with spot in 95 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : JoinFreeModules-PT-0005-LTLFireability-04
Stuttering criterion allowed to conclude after 72720 steps with 1015 reset in 428 ms.
FORMULA JoinFreeModules-PT-0005-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0005-LTLFireability-04 finished in 662 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||X(((p1||G(p2)) U (p0&&(p1||G(p2))))))))'
Support contains 1 out of 25 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 : 25/25 places, 41/41 transitions.
Applied a total of 0 rules in 4 ms. Remains 25 /25 variables (removed 0) and now considering 41/41 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 17:24:53] [INFO ] Invariant cache hit.
[2026-05-25 17:24:53] [INFO ] Implicit Places using invariants in 26 ms returned []
[2026-05-25 17:24:53] [INFO ] Invariant cache hit.
[2026-05-25 17:24:53] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-25 17:24:53] [INFO ] Implicit Places using invariants and state equation in 59 ms returned []
Implicit Place search using SMT with State Equation took 87 ms to find 0 implicit places.
[2026-05-25 17:24:53] [INFO ] Redundant transitions in 1 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 100 ms. Remains : 25/25 places, 41/41 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||X(((p1||G(p2)) U (p0&&(p1||G(p2))))))))'
Stuttering acceptance computed with spot in 42 ms :[(NOT p0)]
Running random walk in product with property : JoinFreeModules-PT-0005-LTLFireability-05
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA JoinFreeModules-PT-0005-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0005-LTLFireability-05 finished in 187 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 25 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 25/25 places, 41/41 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 41/41 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 17:24:53] [INFO ] Invariant cache hit.
[2026-05-25 17:24:54] [INFO ] Implicit Places using invariants in 25 ms returned []
[2026-05-25 17:24:54] [INFO ] Invariant cache hit.
[2026-05-25 17:24:54] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-25 17:24:54] [INFO ] Implicit Places using invariants and state equation in 52 ms returned []
Implicit Place search using SMT with State Equation took 78 ms to find 0 implicit places.
[2026-05-25 17:24:54] [INFO ] Redundant transitions in 1 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 89 ms. Remains : 25/25 places, 41/41 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 81 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : JoinFreeModules-PT-0005-LTLFireability-07
Product exploration explored 100000 steps with 2301 reset in 366 ms.
Stack based approach found an accepted trace after 85 steps with 2 reset with depth 39 and stack size 39 in 1 ms.
FORMULA JoinFreeModules-PT-0005-LTLFireability-07 FALSE TECHNIQUES STACK_TEST
Treatment of property JoinFreeModules-PT-0005-LTLFireability-07 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((p0||X(F((p0&&F(((p1&&F((!p1&&F(p2))))||G((F(!p1)&&F(p2)))))))))))'
Support contains 3 out of 25 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 25/25 places, 41/41 transitions.
Applied a total of 0 rules in 4 ms. Remains 25 /25 variables (removed 0) and now considering 41/41 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 17:24:54] [INFO ] Invariant cache hit.
[2026-05-25 17:24:54] [INFO ] Implicit Places using invariants in 34 ms returned []
[2026-05-25 17:24:54] [INFO ] Invariant cache hit.
[2026-05-25 17:24:54] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-25 17:24:54] [INFO ] Implicit Places using invariants and state equation in 63 ms returned []
Implicit Place search using SMT with State Equation took 99 ms to find 0 implicit places.
[2026-05-25 17:24:54] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 111 ms. Remains : 25/25 places, 41/41 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((p0||X(F((p0&&F(((p1&&F((!p1&&F(p2))))||G((F(!p1)&&F(p2)))))))))))'
Stuttering acceptance computed with spot in 300 ms :[(NOT p0), (OR (NOT p2) (NOT p0) p1), (NOT p2), (OR (NOT p2) p1), p1, (NOT p2)]
Running random walk in product with property : JoinFreeModules-PT-0005-LTLFireability-09
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA JoinFreeModules-PT-0005-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0005-LTLFireability-09 finished in 538 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F((X(X(X(p0)))&&F((!p1||G(p2))))) U p3)))'
Support contains 4 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 41/41 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 41/41 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 17:24:55] [INFO ] Invariant cache hit.
[2026-05-25 17:24:55] [INFO ] Implicit Places using invariants in 31 ms returned []
[2026-05-25 17:24:55] [INFO ] Invariant cache hit.
[2026-05-25 17:24:55] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-25 17:24:55] [INFO ] Implicit Places using invariants and state equation in 56 ms returned []
Implicit Place search using SMT with State Equation took 89 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 90 ms. Remains : 25/25 places, 41/41 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((X(X(X(p0)))&&F((!p1||G(p2))))) U p3)))'
Stuttering acceptance computed with spot in 452 ms :[(NOT p3), (NOT p3), (NOT p0), (AND p1 (NOT p2)), (NOT p0), (AND p1 (NOT p2) (NOT p0)), (NOT p0), (AND p1 (NOT p2) (NOT p0)), (AND p1 (NOT p2) (NOT p0))]
Running random walk in product with property : JoinFreeModules-PT-0005-LTLFireability-10
Product exploration explored 100000 steps with 50000 reset in 265 ms.
Product exploration explored 100000 steps with 50000 reset in 373 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 8 factoid took 15 ms. Proved property starting from automaton with 9 states, 15 edges and 4 AP (stutter sensitive
Knowledge-based reduction took 35 ms.
FORMULA JoinFreeModules-PT-0005-LTLFireability-10 TRUE TECHNIQUES KNOWLEDGE
Treatment of property JoinFreeModules-PT-0005-LTLFireability-10 finished in 1371 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||(X(p1)&&(!p1 U X((!p2&&X((!p2 U (!p0||G(!p2))))))))))'
Support contains 3 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 41/41 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 41/41 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 17:24:56] [INFO ] Invariant cache hit.
[2026-05-25 17:24:56] [INFO ] Implicit Places using invariants in 33 ms returned []
[2026-05-25 17:24:56] [INFO ] Invariant cache hit.
[2026-05-25 17:24:56] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-25 17:24:56] [INFO ] Implicit Places using invariants and state equation in 60 ms returned []
Implicit Place search using SMT with State Equation took 94 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 97 ms. Remains : 25/25 places, 41/41 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||(X(p1)&&(!p1 U X((!p2&&X((!p2 U (!p0||G(!p2))))))))))'
Stuttering acceptance computed with spot in 467 ms :[true, (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) p2)), (OR (NOT p1) p2), p2, (OR (NOT p1) p2), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) p2)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) p2)), (AND p0 p2), false, (AND (NOT p0) p2), (NOT p0)]
Running random walk in product with property : JoinFreeModules-PT-0005-LTLFireability-11
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 1 ms.
FORMULA JoinFreeModules-PT-0005-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0005-LTLFireability-11 finished in 620 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)) U G((F(p1)||(p2 U p0)))))'
Support contains 3 out of 25 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 25/25 places, 41/41 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 41/41 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 17:24:57] [INFO ] Invariant cache hit.
[2026-05-25 17:24:57] [INFO ] Implicit Places using invariants in 33 ms returned []
[2026-05-25 17:24:57] [INFO ] Invariant cache hit.
[2026-05-25 17:24:57] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-25 17:24:57] [INFO ] Implicit Places using invariants and state equation in 58 ms returned []
Implicit Place search using SMT with State Equation took 93 ms to find 0 implicit places.
[2026-05-25 17:24:57] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 101 ms. Remains : 25/25 places, 41/41 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)) U G((F(p1)||(p2 U p0)))))'
Stuttering acceptance computed with spot in 114 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : JoinFreeModules-PT-0005-LTLFireability-12
Stuttering criterion allowed to conclude after 15182 steps with 134 reset in 115 ms.
FORMULA JoinFreeModules-PT-0005-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0005-LTLFireability-12 finished in 368 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0&&G(p1))))'
Support contains 2 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 41/41 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 41/41 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 17:24:57] [INFO ] Invariant cache hit.
[2026-05-25 17:24:57] [INFO ] Implicit Places using invariants in 24 ms returned []
[2026-05-25 17:24:57] [INFO ] Invariant cache hit.
[2026-05-25 17:24:57] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-25 17:24:57] [INFO ] Implicit Places using invariants and state equation in 54 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 : 25/25 places, 41/41 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0&&G(p1))))'
Stuttering acceptance computed with spot in 122 ms :[true, (OR (NOT p0) (NOT p1)), (NOT p1), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : JoinFreeModules-PT-0005-LTLFireability-13
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA JoinFreeModules-PT-0005-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0005-LTLFireability-13 finished in 230 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(F(p0))&&(F(p1) U (p2||F(p3))))))'
Support contains 4 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 41/41 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 41/41 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 17:24:57] [INFO ] Invariant cache hit.
[2026-05-25 17:24:57] [INFO ] Implicit Places using invariants in 24 ms returned []
[2026-05-25 17:24:57] [INFO ] Invariant cache hit.
[2026-05-25 17:24:57] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-25 17:24:57] [INFO ] Implicit Places using invariants and state equation in 48 ms returned []
Implicit Place search using SMT with State Equation took 74 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 76 ms. Remains : 25/25 places, 41/41 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((X(F(p0))&&(F(p1) U (p2||F(p3))))))'
Stuttering acceptance computed with spot in 201 ms :[(OR (NOT p0) (AND (NOT p2) (NOT p3))), (NOT p0), (AND p2 (NOT p3) (NOT p1) (NOT p0)), (AND (NOT p2) (NOT p3)), (AND (NOT p3) (NOT p1) (NOT p0))]
Running random walk in product with property : JoinFreeModules-PT-0005-LTLFireability-14
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA JoinFreeModules-PT-0005-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0005-LTLFireability-14 finished in 323 ms.
All properties solved by simple procedures.
Total runtime 12662 ms.

BK_STOP 1779729898114

--------------------
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-0005"
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-0005, 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-177961107700156"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/JoinFreeModules-PT-0005.tgz
mv JoinFreeModules-PT-0005 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 ;