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-177961107700172.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-0020, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r162-smll-177961107700172
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 472K
-rw-r--r-- 1 mcc users 8.5K Mar 7 16:37 CTLCardinality.txt
-rw-r--r-- 1 mcc users 96K Mar 7 16:37 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Mar 7 16:37 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K Mar 7 16:37 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 3.6K Mar 15 11:04 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 11:04 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 11:04 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 11:04 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.9K Mar 7 16:37 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 90K Mar 7 16:37 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.5K Mar 7 16:37 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 39K Mar 7 16:37 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 11:04 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K 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 61K 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-0020-LTLFireability-00
FORMULA_NAME JoinFreeModules-PT-0020-LTLFireability-01
FORMULA_NAME JoinFreeModules-PT-0020-LTLFireability-02
FORMULA_NAME JoinFreeModules-PT-0020-LTLFireability-03
FORMULA_NAME JoinFreeModules-PT-0020-LTLFireability-04
FORMULA_NAME JoinFreeModules-PT-0020-LTLFireability-05
FORMULA_NAME JoinFreeModules-PT-0020-LTLFireability-06
FORMULA_NAME JoinFreeModules-PT-0020-LTLFireability-07
FORMULA_NAME JoinFreeModules-PT-0020-LTLFireability-08
FORMULA_NAME JoinFreeModules-PT-0020-LTLFireability-09
FORMULA_NAME JoinFreeModules-PT-0020-LTLFireability-10
FORMULA_NAME JoinFreeModules-PT-0020-LTLFireability-11
FORMULA_NAME JoinFreeModules-PT-0020-LTLFireability-12
FORMULA_NAME JoinFreeModules-PT-0020-LTLFireability-13
FORMULA_NAME JoinFreeModules-PT-0020-LTLFireability-14
FORMULA_NAME JoinFreeModules-PT-0020-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779737590296

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-0020
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-25 19:33:12] [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 19:33:12] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 19:33:13] [INFO ] Load time of PNML (sax parser for PT used): 155 ms
[2026-05-25 19:33:13] [INFO ] Transformed 101 places.
[2026-05-25 19:33:13] [INFO ] Transformed 161 transitions.
[2026-05-25 19:33:13] [INFO ] Parsed PT model containing 101 places and 161 transitions and 462 arcs in 384 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 20 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-0020-LTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA JoinFreeModules-PT-0020-LTLFireability-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA JoinFreeModules-PT-0020-LTLFireability-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA JoinFreeModules-PT-0020-LTLFireability-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA JoinFreeModules-PT-0020-LTLFireability-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 23 out of 100 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 161/161 transitions.
Applied a total of 0 rules in 23 ms. Remains 100 /100 variables (removed 0) and now considering 161/161 (removed 0) transitions.
Running 120 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-12947148912056963431.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10856982199740963480.kers'
[2026-05-25 19:33:13] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12947148912056963431.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10856982199740963480.kers]
Normalized transition count is 160 out of 161 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 160 rows 100 cols 400 entries
Finished phase 1 with 80 SingleSign rule and 0 generalized
[2026-05-25 19:33:13] [INFO ] Computed 20 invariants in 1 ms
Computed 20 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-10856982199740963480.kers
Total runtime 2 ms.
[2026-05-25 19:33:13] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 1 (OVERLAPS) 20/100 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 3 (OVERLAPS) 160/260 variables, 100/120 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/260 variables, 20/140 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/260 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 6 (OVERLAPS) 0/260 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 120 unsolved
No progress, stopping.
After SMT solving in domain Real declared 260/261 variables, and 140 constraints, problems are : Problem set: 0 solved, 120 unsolved in 8597 ms.
Refiners :[Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 100/100 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 120/120 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 120 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 1 (OVERLAPS) 20/100 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 3 (OVERLAPS) 160/260 variables, 100/120 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/260 variables, 20/140 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/260 variables, 120/260 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/260 variables, 1/261 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/260 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 120 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 260/261 variables, and 261 constraints, problems are : Problem set: 0 solved, 120 unsolved in 20018 ms.
Refiners :[Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 100/100 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 120/120 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 28788ms problems are : Problem set: 0 solved, 120 unsolved
Search for dead transitions found 0 dead transitions in 28816ms
[2026-05-25 19:33:42] [INFO ] Invariant cache hit.
[2026-05-25 19:33:42] [INFO ] Implicit Places using invariants in 52 ms returned []
[2026-05-25 19:33:42] [INFO ] Invariant cache hit.
[2026-05-25 19:33:42] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-25 19:33:42] [INFO ] Implicit Places using invariants and state equation in 117 ms returned []
Implicit Place search using SMT with State Equation took 176 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 29159 ms. Remains : 100/100 places, 161/161 transitions.
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 161/161 transitions.
Applied a total of 0 rules in 7 ms. Remains 100 /100 variables (removed 0) and now considering 161/161 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 19:33:42] [INFO ] Invariant cache hit.
[2026-05-25 19:33:42] [INFO ] Implicit Places using invariants in 63 ms returned []
[2026-05-25 19:33:42] [INFO ] Invariant cache hit.
[2026-05-25 19:33:42] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-25 19:33:42] [INFO ] Implicit Places using invariants and state equation in 168 ms returned []
Implicit Place search using SMT with State Equation took 248 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 256 ms. Remains : 100/100 places, 161/161 transitions.
Support contains 23 out of 100 places after structural reductions.
[2026-05-25 19:33:43] [INFO ] Flatten gal took : 88 ms
[2026-05-25 19:33:43] [INFO ] Flatten gal took : 28 ms
[2026-05-25 19:33:43] [INFO ] Input system was already deterministic with 161 transitions.
Support contains 20 out of 100 places (down from 23) after GAL structural reductions.
RANDOM walk for 6314 steps (0 resets) in 344 ms. (18 steps per ms) remains 0/20 properties
FORMULA JoinFreeModules-PT-0020-LTLFireability-12 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||X(G(p1))))'
Support contains 3 out of 100 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 161/161 transitions.
Applied a total of 0 rules in 6 ms. Remains 100 /100 variables (removed 0) and now considering 161/161 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 19:33:44] [INFO ] Invariant cache hit.
[2026-05-25 19:33:44] [INFO ] Implicit Places using invariants in 64 ms returned []
[2026-05-25 19:33:44] [INFO ] Invariant cache hit.
[2026-05-25 19:33:44] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-25 19:33:44] [INFO ] Implicit Places using invariants and state equation in 170 ms returned []
Implicit Place search using SMT with State Equation took 236 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 242 ms. Remains : 100/100 places, 161/161 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(G(p1))))'
Stuttering acceptance computed with spot in 446 ms :[true, (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p1) (NOT p0)), (NOT p0)]
Running random walk in product with property : JoinFreeModules-PT-0020-LTLFireability-00
Entered a terminal (fully accepting) state of product in 847 steps with 0 reset in 26 ms.
FORMULA JoinFreeModules-PT-0020-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0020-LTLFireability-00 finished in 844 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((p1 U X(p0)))))))'
Support contains 2 out of 100 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 161/161 transitions.
Applied a total of 0 rules in 6 ms. Remains 100 /100 variables (removed 0) and now considering 161/161 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 19:33:44] [INFO ] Invariant cache hit.
[2026-05-25 19:33:44] [INFO ] Implicit Places using invariants in 59 ms returned []
[2026-05-25 19:33:44] [INFO ] Invariant cache hit.
[2026-05-25 19:33:45] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-25 19:33:45] [INFO ] Implicit Places using invariants and state equation in 143 ms returned []
Implicit Place search using SMT with State Equation took 204 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 210 ms. Remains : 100/100 places, 161/161 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((p1 U X(p0)))))))'
Stuttering acceptance computed with spot in 339 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
Running random walk in product with property : JoinFreeModules-PT-0020-LTLFireability-01
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA JoinFreeModules-PT-0020-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0020-LTLFireability-01 finished in 586 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 100 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 100/100 places, 161/161 transitions.
Applied a total of 0 rules in 24 ms. Remains 100 /100 variables (removed 0) and now considering 161/161 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 19:33:45] [INFO ] Invariant cache hit.
[2026-05-25 19:33:45] [INFO ] Implicit Places using invariants in 60 ms returned []
[2026-05-25 19:33:45] [INFO ] Invariant cache hit.
[2026-05-25 19:33:45] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-25 19:33:45] [INFO ] Implicit Places using invariants and state equation in 175 ms returned []
Implicit Place search using SMT with State Equation took 238 ms to find 0 implicit places.
[2026-05-25 19:33:45] [INFO ] Redundant transitions in 10 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 279 ms. Remains : 100/100 places, 161/161 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Stuttering acceptance computed with spot in 100 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : JoinFreeModules-PT-0020-LTLFireability-02
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA JoinFreeModules-PT-0020-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0020-LTLFireability-02 finished in 413 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(p0) U (F(X(G(p1))) U !(X(p1) U (p0 U p1)))))'
Support contains 2 out of 100 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 161/161 transitions.
Applied a total of 0 rules in 6 ms. Remains 100 /100 variables (removed 0) and now considering 161/161 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 19:33:45] [INFO ] Invariant cache hit.
[2026-05-25 19:33:45] [INFO ] Implicit Places using invariants in 59 ms returned []
[2026-05-25 19:33:45] [INFO ] Invariant cache hit.
[2026-05-25 19:33:46] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-25 19:33:46] [INFO ] Implicit Places using invariants and state equation in 149 ms returned []
Implicit Place search using SMT with State Equation took 211 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 217 ms. Remains : 100/100 places, 161/161 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(p0) U (F(X(G(p1))) U !(X(p1) U (p0 U p1)))))'
Stuttering acceptance computed with spot in 443 ms :[p1, (AND p1 (NOT p0)), p1, (NOT p0), p1, (NOT p1), p1, p1, p1]
Running random walk in product with property : JoinFreeModules-PT-0020-LTLFireability-03
Product exploration explored 100000 steps with 50000 reset in 766 ms.
Product exploration explored 100000 steps with 50000 reset in 573 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 24 ms. Proved property starting from automaton with 9 states, 27 edges and 2 AP (stutter sensitive
Knowledge-based reduction took 50 ms.
FORMULA JoinFreeModules-PT-0020-LTLFireability-03 TRUE TECHNIQUES KNOWLEDGE
Treatment of property JoinFreeModules-PT-0020-LTLFireability-03 finished in 2126 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 100 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 100/100 places, 161/161 transitions.
Applied a total of 0 rules in 24 ms. Remains 100 /100 variables (removed 0) and now considering 161/161 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 19:33:48] [INFO ] Invariant cache hit.
[2026-05-25 19:33:48] [INFO ] Implicit Places using invariants in 54 ms returned []
[2026-05-25 19:33:48] [INFO ] Invariant cache hit.
[2026-05-25 19:33:48] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-25 19:33:48] [INFO ] Implicit Places using invariants and state equation in 133 ms returned []
Implicit Place search using SMT with State Equation took 189 ms to find 0 implicit places.
[2026-05-25 19:33:48] [INFO ] Redundant transitions in 6 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 226 ms. Remains : 100/100 places, 161/161 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 38 ms :[(NOT p0)]
Running random walk in product with property : JoinFreeModules-PT-0020-LTLFireability-04
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA JoinFreeModules-PT-0020-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0020-LTLFireability-04 finished in 296 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 (p0&&F(G(p0))))))'
Support contains 1 out of 100 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 161/161 transitions.
Applied a total of 0 rules in 3 ms. Remains 100 /100 variables (removed 0) and now considering 161/161 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 19:33:48] [INFO ] Invariant cache hit.
[2026-05-25 19:33:48] [INFO ] Implicit Places using invariants in 39 ms returned []
[2026-05-25 19:33:48] [INFO ] Invariant cache hit.
[2026-05-25 19:33:48] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-25 19:33:48] [INFO ] Implicit Places using invariants and state equation in 108 ms returned []
Implicit Place search using SMT with State Equation took 152 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 155 ms. Remains : 100/100 places, 161/161 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 (p0&&F(G(p0))))))'
Stuttering acceptance computed with spot in 150 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
Running random walk in product with property : JoinFreeModules-PT-0020-LTLFireability-05
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA JoinFreeModules-PT-0020-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0020-LTLFireability-05 finished in 337 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))&&F(p1))))'
Support contains 2 out of 100 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 100/100 places, 161/161 transitions.
Applied a total of 0 rules in 8 ms. Remains 100 /100 variables (removed 0) and now considering 161/161 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 19:33:48] [INFO ] Invariant cache hit.
[2026-05-25 19:33:48] [INFO ] Implicit Places using invariants in 39 ms returned []
[2026-05-25 19:33:48] [INFO ] Invariant cache hit.
[2026-05-25 19:33:48] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-25 19:33:48] [INFO ] Implicit Places using invariants and state equation in 127 ms returned []
Implicit Place search using SMT with State Equation took 168 ms to find 0 implicit places.
[2026-05-25 19:33:48] [INFO ] Redundant transitions in 10 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 191 ms. Remains : 100/100 places, 161/161 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))&&F(p1))))'
Stuttering acceptance computed with spot in 143 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : JoinFreeModules-PT-0020-LTLFireability-06
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA JoinFreeModules-PT-0020-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0020-LTLFireability-06 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' '!(X(X((F((p0&&X(X(p1)))) U (p2&&X(p3))))))'
Support contains 4 out of 100 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 161/161 transitions.
Applied a total of 0 rules in 5 ms. Remains 100 /100 variables (removed 0) and now considering 161/161 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 19:33:49] [INFO ] Invariant cache hit.
[2026-05-25 19:33:49] [INFO ] Implicit Places using invariants in 49 ms returned []
[2026-05-25 19:33:49] [INFO ] Invariant cache hit.
[2026-05-25 19:33:49] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-25 19:33:49] [INFO ] Implicit Places using invariants and state equation in 160 ms returned []
Implicit Place search using SMT with State Equation took 211 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 216 ms. Remains : 100/100 places, 161/161 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&&X(X(p1)))) U (p2&&X(p3))))))'
Stuttering acceptance computed with spot in 591 ms :[(OR (NOT p2) (NOT p3)), (OR (NOT p2) (NOT p3)), (OR (NOT p2) (NOT p3)), (OR (NOT p0) (NOT p1)), (NOT p1), (NOT p3), (OR (AND (NOT p0) p2 (NOT p3)) (AND (NOT p1) p2 (NOT p3))), (AND (NOT p1) (NOT p3)), (NOT p1), (NOT p1)]
Running random walk in product with property : JoinFreeModules-PT-0020-LTLFireability-08
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA JoinFreeModules-PT-0020-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0020-LTLFireability-08 finished in 880 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))'
Support contains 1 out of 100 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 161/161 transitions.
Applied a total of 0 rules in 3 ms. Remains 100 /100 variables (removed 0) and now considering 161/161 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 19:33:49] [INFO ] Invariant cache hit.
[2026-05-25 19:33:49] [INFO ] Implicit Places using invariants in 49 ms returned []
[2026-05-25 19:33:49] [INFO ] Invariant cache hit.
[2026-05-25 19:33:50] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-25 19:33:50] [INFO ] Implicit Places using invariants and state equation in 146 ms returned []
Implicit Place search using SMT with State Equation took 197 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 201 ms. Remains : 100/100 places, 161/161 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))'
Stuttering acceptance computed with spot in 116 ms :[(NOT p0), (NOT p0), true]
Running random walk in product with property : JoinFreeModules-PT-0020-LTLFireability-09
Product exploration explored 100000 steps with 50000 reset in 706 ms.
Product exploration explored 100000 steps with 50000 reset in 787 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 2 factoid took 13 ms. Proved property starting from automaton with 3 states, 3 edges and 1 AP (stutter sensitive
Knowledge-based reduction took 15 ms.
FORMULA JoinFreeModules-PT-0020-LTLFireability-09 TRUE TECHNIQUES KNOWLEDGE
Treatment of property JoinFreeModules-PT-0020-LTLFireability-09 finished in 1860 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(!p1)))&&(X(X(p2)) U ((p3&&X(X(p2)))||X(X(G(p2)))))))'
Support contains 4 out of 100 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 161/161 transitions.
Applied a total of 0 rules in 2 ms. Remains 100 /100 variables (removed 0) and now considering 161/161 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 19:33:51] [INFO ] Invariant cache hit.
[2026-05-25 19:33:51] [INFO ] Implicit Places using invariants in 38 ms returned []
[2026-05-25 19:33:51] [INFO ] Invariant cache hit.
[2026-05-25 19:33:51] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-25 19:33:51] [INFO ] Implicit Places using invariants and state equation in 109 ms returned []
Implicit Place search using SMT with State Equation took 152 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 155 ms. Remains : 100/100 places, 161/161 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(!p1)))&&(X(X(p2)) U ((p3&&X(X(p2)))||X(X(G(p2)))))))'
Stuttering acceptance computed with spot in 284 ms :[(OR (NOT p2) p1), p1, p1, (NOT p2), p1, true, (NOT p2), (NOT p2)]
Running random walk in product with property : JoinFreeModules-PT-0020-LTLFireability-11
Entered a terminal (fully accepting) state of product in 99 steps with 35 reset in 1 ms.
FORMULA JoinFreeModules-PT-0020-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0020-LTLFireability-11 finished in 496 ms.
All properties solved by simple procedures.
Total runtime 39445 ms.

BK_STOP 1779737632258

--------------------
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-0020"
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-0020, 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-177961107700172"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/JoinFreeModules-PT-0020.tgz
mv JoinFreeModules-PT-0020 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 ;