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-177961107700148.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-0004, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r162-smll-177961107700148
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 500K
-rw-r--r-- 1 mcc users 7.6K Mar 7 15:41 CTLCardinality.txt
-rw-r--r-- 1 mcc users 84K Mar 7 15:41 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.7K Mar 7 15:40 CTLFireability.txt
-rw-r--r-- 1 mcc users 40K Mar 7 15:40 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 11:03 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 11:03 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 11:03 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 11:03 LTLFireability.xml
-rw-r--r-- 1 mcc users 10K Mar 7 15:41 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 104K Mar 7 15:41 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Mar 7 15:41 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 120K Mar 7 15:41 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 13K 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-0004-LTLFireability-00
FORMULA_NAME JoinFreeModules-PT-0004-LTLFireability-01
FORMULA_NAME JoinFreeModules-PT-0004-LTLFireability-02
FORMULA_NAME JoinFreeModules-PT-0004-LTLFireability-03
FORMULA_NAME JoinFreeModules-PT-0004-LTLFireability-04
FORMULA_NAME JoinFreeModules-PT-0004-LTLFireability-05
FORMULA_NAME JoinFreeModules-PT-0004-LTLFireability-06
FORMULA_NAME JoinFreeModules-PT-0004-LTLFireability-07
FORMULA_NAME JoinFreeModules-PT-0004-LTLFireability-08
FORMULA_NAME JoinFreeModules-PT-0004-LTLFireability-09
FORMULA_NAME JoinFreeModules-PT-0004-LTLFireability-10
FORMULA_NAME JoinFreeModules-PT-0004-LTLFireability-11
FORMULA_NAME JoinFreeModules-PT-0004-LTLFireability-12
FORMULA_NAME JoinFreeModules-PT-0004-LTLFireability-13
FORMULA_NAME JoinFreeModules-PT-0004-LTLFireability-14
FORMULA_NAME JoinFreeModules-PT-0004-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779729629878

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-0004
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-25 17:20:32] [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 17:20:32] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 17:20:32] [INFO ] Load time of PNML (sax parser for PT used): 87 ms
[2026-05-25 17:20:32] [INFO ] Transformed 21 places.
[2026-05-25 17:20:32] [INFO ] Transformed 33 transitions.
[2026-05-25 17:20:32] [INFO ] Parsed PT model containing 21 places and 33 transitions and 94 arcs in 311 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 21 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
Reduce places removed 1 places and 0 transitions.
FORMULA JoinFreeModules-PT-0004-LTLFireability-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA JoinFreeModules-PT-0004-LTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 16 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 33/33 transitions.
Applied a total of 0 rules in 17 ms. Remains 20 /20 variables (removed 0) and now considering 33/33 (removed 0) transitions.
Running 24 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-6519723006187879951.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11036447155308946420.kers'
[2026-05-25 17:20:33] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6519723006187879951.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11036447155308946420.kers]
Normalized transition count is 32 out of 33 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 32 rows 20 cols 80 entries
Finished phase 1 with 16 SingleSign rule and 0 generalized
[2026-05-25 17:20:33] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-11036447155308946420.kers
Total runtime 3 ms.
[2026-05-25 17:20:33] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 1 (OVERLAPS) 4/20 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 4 (OVERLAPS) 32/52 variables, 20/28 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/52 variables, 4/32 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/52 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 7 (OVERLAPS) 0/52 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 24 unsolved
No progress, stopping.
After SMT solving in domain Real declared 52/53 variables, and 32 constraints, problems are : Problem set: 0 solved, 24 unsolved in 1392 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 20/20 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 24/24 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 24 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 1 (OVERLAPS) 4/20 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 4 (OVERLAPS) 32/52 variables, 20/28 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/52 variables, 4/32 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/52 variables, 24/56 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/52 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 8 (OVERLAPS) 0/52 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 24 unsolved
No progress, stopping.
After SMT solving in domain Int declared 52/53 variables, and 56 constraints, problems are : Problem set: 0 solved, 24 unsolved in 2048 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 20/20 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 24/24 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3547ms problems are : Problem set: 0 solved, 24 unsolved
Search for dead transitions found 0 dead transitions in 3571ms
[2026-05-25 17:20:36] [INFO ] Invariant cache hit.
[2026-05-25 17:20:36] [INFO ] Implicit Places using invariants in 38 ms returned []
[2026-05-25 17:20:36] [INFO ] Invariant cache hit.
[2026-05-25 17:20:36] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-25 17:20:36] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 92 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 3818 ms. Remains : 20/20 places, 33/33 transitions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 33/33 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 33/33 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 17:20:36] [INFO ] Invariant cache hit.
[2026-05-25 17:20:36] [INFO ] Implicit Places using invariants in 28 ms returned []
[2026-05-25 17:20:36] [INFO ] Invariant cache hit.
[2026-05-25 17:20:36] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-25 17:20:36] [INFO ] Implicit Places using invariants and state equation in 61 ms returned []
Implicit Place search using SMT with State Equation took 93 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 95 ms. Remains : 20/20 places, 33/33 transitions.
Support contains 16 out of 20 places after structural reductions.
[2026-05-25 17:20:37] [INFO ] Flatten gal took : 36 ms
[2026-05-25 17:20:37] [INFO ] Flatten gal took : 12 ms
[2026-05-25 17:20:37] [INFO ] Input system was already deterministic with 33 transitions.
Support contains 15 out of 20 places (down from 16) after GAL structural reductions.
RANDOM walk for 2666 steps (7 resets) in 257 ms. (10 steps per ms) remains 0/24 properties
FORMULA JoinFreeModules-PT-0004-LTLFireability-01 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' '!((X(X(X(X(X(X(p0)))))) U (p1&&X(G(p2)))))'
Support contains 3 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 33/33 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 33/33 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 17:20:37] [INFO ] Invariant cache hit.
[2026-05-25 17:20:37] [INFO ] Implicit Places using invariants in 26 ms returned []
[2026-05-25 17:20:37] [INFO ] Invariant cache hit.
[2026-05-25 17:20:37] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-25 17:20:37] [INFO ] Implicit Places using invariants and state equation in 46 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 : 20/20 places, 33/33 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(X(X(X(X(p0)))))) U (p1&&X(G(p2)))))'
Stuttering acceptance computed with spot in 967 ms :[(OR (NOT p2) (NOT p1)), (NOT p0), (NOT p2), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), true, (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p2) (NOT p0)), (AND (NOT p2) p0)]
Running random walk in product with property : JoinFreeModules-PT-0004-LTLFireability-00
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 1 ms.
FORMULA JoinFreeModules-PT-0004-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0004-LTLFireability-00 finished in 1192 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 3 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 33/33 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 33/33 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 17:20:39] [INFO ] Invariant cache hit.
[2026-05-25 17:20:39] [INFO ] Implicit Places using invariants in 31 ms returned []
[2026-05-25 17:20:39] [INFO ] Invariant cache hit.
[2026-05-25 17:20:39] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-25 17:20:39] [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 : 20/20 places, 33/33 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 176 ms :[true, (AND (NOT p1) (NOT p0)), (NOT p1), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : JoinFreeModules-PT-0004-LTLFireability-02
Product exploration explored 100000 steps with 50000 reset in 474 ms.
Product exploration explored 100000 steps with 50000 reset in 331 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 6 factoid took 21 ms. Proved property starting from automaton with 4 states, 6 edges and 2 AP (stutter sensitive
Knowledge-based reduction took 30 ms.
FORMULA JoinFreeModules-PT-0004-LTLFireability-02 TRUE TECHNIQUES KNOWLEDGE
Treatment of property JoinFreeModules-PT-0004-LTLFireability-02 finished in 1138 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(G((X(X(p0))||(p0&&G(p1)))))))'
Support contains 2 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 33/33 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 33/33 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 17:20:40] [INFO ] Invariant cache hit.
[2026-05-25 17:20:40] [INFO ] Implicit Places using invariants in 31 ms returned []
[2026-05-25 17:20:40] [INFO ] Invariant cache hit.
[2026-05-25 17:20:40] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-25 17:20:40] [INFO ] Implicit Places using invariants and state equation in 57 ms returned []
Implicit Place search using SMT with State Equation took 91 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 92 ms. Remains : 20/20 places, 33/33 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(G((X(X(p0))||(p0&&G(p1)))))))'
Stuttering acceptance computed with spot in 452 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p0), true, (AND (NOT p1) (NOT p0)), (NOT p1)]
Running random walk in product with property : JoinFreeModules-PT-0004-LTLFireability-03
Entered a terminal (fully accepting) state of product in 349 steps with 57 reset in 5 ms.
FORMULA JoinFreeModules-PT-0004-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0004-LTLFireability-03 finished in 597 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&&(p1 U p2)))))'
Support contains 3 out of 20 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 20/20 places, 33/33 transitions.
Applied a total of 0 rules in 10 ms. Remains 20 /20 variables (removed 0) and now considering 33/33 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 17:20:40] [INFO ] Invariant cache hit.
[2026-05-25 17:20:40] [INFO ] Implicit Places using invariants in 29 ms returned []
[2026-05-25 17:20:40] [INFO ] Invariant cache hit.
[2026-05-25 17:20:40] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-25 17:20:40] [INFO ] Implicit Places using invariants and state equation in 61 ms returned []
Implicit Place search using SMT with State Equation took 93 ms to find 0 implicit places.
[2026-05-25 17:20:40] [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 : 20/20 places, 33/33 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&&(p1 U p2)))))'
Stuttering acceptance computed with spot in 121 ms :[(OR (NOT p0) (NOT p2)), (NOT p2)]
Running random walk in product with property : JoinFreeModules-PT-0004-LTLFireability-04
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 1 ms.
FORMULA JoinFreeModules-PT-0004-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0004-LTLFireability-04 finished in 273 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(G(p0))) U ((p1||G(!p1)) U X(p2))))'
Support contains 5 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 33/33 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 33/33 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 17:20:41] [INFO ] Invariant cache hit.
[2026-05-25 17:20:41] [INFO ] Implicit Places using invariants in 29 ms returned []
[2026-05-25 17:20:41] [INFO ] Invariant cache hit.
[2026-05-25 17:20:41] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-25 17:20:41] [INFO ] Implicit Places using invariants and state equation in 61 ms returned []
Implicit Place search using SMT with State Equation took 93 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 95 ms. Remains : 20/20 places, 33/33 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(G(p0))) U ((p1||G(!p1)) U X(p2))))'
Stuttering acceptance computed with spot in 506 ms :[(NOT p2), (AND p1 (NOT p2) (NOT p0)), (NOT p2), (NOT p0), (AND (NOT p0) p1), true, (AND p1 (NOT p2) (NOT p0)), (AND (NOT p0) (NOT p2)), p1, (AND p1 (NOT p2) p0), (NOT p2)]
Running random walk in product with property : JoinFreeModules-PT-0004-LTLFireability-06
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA JoinFreeModules-PT-0004-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0004-LTLFireability-06 finished in 668 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0 U X(p1))||G(p2)))'
Support contains 3 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 33/33 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 33/33 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 17:20:41] [INFO ] Invariant cache hit.
[2026-05-25 17:20:41] [INFO ] Implicit Places using invariants in 31 ms returned []
[2026-05-25 17:20:41] [INFO ] Invariant cache hit.
[2026-05-25 17:20:41] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-25 17:20:41] [INFO ] Implicit Places using invariants and state equation in 50 ms returned []
Implicit Place search using SMT with State Equation took 83 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 85 ms. Remains : 20/20 places, 33/33 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0 U X(p1))||G(p2)))'
Stuttering acceptance computed with spot in 298 ms :[true, (AND (NOT p1) (NOT p2)), (AND (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p1), (NOT p1)]
Running random walk in product with property : JoinFreeModules-PT-0004-LTLFireability-07
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA JoinFreeModules-PT-0004-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0004-LTLFireability-07 finished in 428 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))))'
Support contains 2 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 33/33 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 33/33 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 17:20:42] [INFO ] Invariant cache hit.
[2026-05-25 17:20:42] [INFO ] Implicit Places using invariants in 28 ms returned []
[2026-05-25 17:20:42] [INFO ] Invariant cache hit.
[2026-05-25 17:20:42] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-25 17:20:42] [INFO ] Implicit Places using invariants and state equation in 58 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 : 20/20 places, 33/33 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))))'
Stuttering acceptance computed with spot in 169 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true]
Running random walk in product with property : JoinFreeModules-PT-0004-LTLFireability-08
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA JoinFreeModules-PT-0004-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0004-LTLFireability-08 finished in 302 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(!p0)||G(p1)||G(p2)||(p2&&F(!p0))))))'
Support contains 3 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 33/33 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 33/33 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 17:20:42] [INFO ] Invariant cache hit.
[2026-05-25 17:20:42] [INFO ] Implicit Places using invariants in 27 ms returned []
[2026-05-25 17:20:42] [INFO ] Invariant cache hit.
[2026-05-25 17:20:42] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-25 17:20:42] [INFO ] Implicit Places using invariants and state equation in 76 ms returned []
Implicit Place search using SMT with State Equation took 108 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 109 ms. Remains : 20/20 places, 33/33 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(p0)||G(p1)||G(p2)||(p2&&F(p0))))))'
Stuttering acceptance computed with spot in 149 ms :[(AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p0) (NOT p1))]
Running random walk in product with property : JoinFreeModules-PT-0004-LTLFireability-10
Product exploration explored 100000 steps with 50000 reset in 180 ms.
Product exploration explored 100000 steps with 50000 reset in 201 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 11 factoid took 16 ms. Proved property starting from automaton with 3 states, 6 edges and 3 AP (stutter sensitive
Knowledge-based reduction took 18 ms.
FORMULA JoinFreeModules-PT-0004-LTLFireability-10 TRUE TECHNIQUES KNOWLEDGE
Treatment of property JoinFreeModules-PT-0004-LTLFireability-10 finished in 715 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(X(F(p0))) U X(G((G(p1) U (X(p1) U p2))))))'
Support contains 3 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 33/33 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 33/33 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 17:20:43] [INFO ] Invariant cache hit.
[2026-05-25 17:20:43] [INFO ] Implicit Places using invariants in 30 ms returned []
[2026-05-25 17:20:43] [INFO ] Invariant cache hit.
[2026-05-25 17:20:43] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-25 17:20:43] [INFO ] Implicit Places using invariants and state equation in 44 ms returned []
Implicit Place search using SMT with State Equation took 77 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 78 ms. Remains : 20/20 places, 33/33 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(X(F(p0))) U X(G((G(p1) U (X(p1) U p2))))))'
Stuttering acceptance computed with spot in 496 ms :[(NOT p2), (NOT p2), (NOT p2), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1))), (NOT p2), (NOT p0), (NOT p0)]
Running random walk in product with property : JoinFreeModules-PT-0004-LTLFireability-11
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA JoinFreeModules-PT-0004-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0004-LTLFireability-11 finished in 665 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 20 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 20/20 places, 33/33 transitions.
Applied a total of 0 rules in 4 ms. Remains 20 /20 variables (removed 0) and now considering 33/33 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 17:20:43] [INFO ] Invariant cache hit.
[2026-05-25 17:20:43] [INFO ] Implicit Places using invariants in 32 ms returned []
[2026-05-25 17:20:43] [INFO ] Invariant cache hit.
[2026-05-25 17:20:43] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-25 17:20:43] [INFO ] Implicit Places using invariants and state equation in 49 ms returned []
Implicit Place search using SMT with State Equation took 83 ms to find 0 implicit places.
[2026-05-25 17:20:43] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 94 ms. Remains : 20/20 places, 33/33 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 99 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : JoinFreeModules-PT-0004-LTLFireability-12
Product exploration explored 100000 steps with 960 reset in 568 ms.
Stack based approach found an accepted trace after 1003 steps with 5 reset with depth 19 and stack size 19 in 6 ms.
FORMULA JoinFreeModules-PT-0004-LTLFireability-12 FALSE TECHNIQUES STACK_TEST
Treatment of property JoinFreeModules-PT-0004-LTLFireability-12 finished in 811 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U G(p1)))'
Support contains 2 out of 20 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 20/20 places, 33/33 transitions.
Applied a total of 0 rules in 4 ms. Remains 20 /20 variables (removed 0) and now considering 33/33 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 17:20:44] [INFO ] Invariant cache hit.
[2026-05-25 17:20:44] [INFO ] Implicit Places using invariants in 40 ms returned []
[2026-05-25 17:20:44] [INFO ] Invariant cache hit.
[2026-05-25 17:20:44] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-25 17:20:44] [INFO ] Implicit Places using invariants and state equation in 59 ms returned []
Implicit Place search using SMT with State Equation took 102 ms to find 0 implicit places.
[2026-05-25 17:20:44] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 115 ms. Remains : 20/20 places, 33/33 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U G(p1)))'
Stuttering acceptance computed with spot in 119 ms :[(NOT p1), true, (NOT p1)]
Running random walk in product with property : JoinFreeModules-PT-0004-LTLFireability-13
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA JoinFreeModules-PT-0004-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0004-LTLFireability-13 finished in 293 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(((!p0||(p1&&X(G(!p2)))) U X(X(!p3))))))'
Support contains 4 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 33/33 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 33/33 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 17:20:44] [INFO ] Invariant cache hit.
[2026-05-25 17:20:44] [INFO ] Implicit Places using invariants in 21 ms returned []
[2026-05-25 17:20:44] [INFO ] Invariant cache hit.
[2026-05-25 17:20:45] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-25 17:20:45] [INFO ] Implicit Places using invariants and state equation in 56 ms returned []
Implicit Place search using SMT with State Equation took 79 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 80 ms. Remains : 20/20 places, 33/33 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||(p1&&X(G(!p2)))) U X(X(!p3))))))'
Stuttering acceptance computed with spot in 631 ms :[p3, p3, p3, p3, (AND p3 p2), p3, true, p3, p3, (AND p3 p2), (AND p2 p3), p2]
Running random walk in product with property : JoinFreeModules-PT-0004-LTLFireability-14
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA JoinFreeModules-PT-0004-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0004-LTLFireability-14 finished in 769 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 20 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 20/20 places, 33/33 transitions.
Applied a total of 0 rules in 4 ms. Remains 20 /20 variables (removed 0) and now considering 33/33 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 17:20:45] [INFO ] Invariant cache hit.
[2026-05-25 17:20:45] [INFO ] Implicit Places using invariants in 24 ms returned []
[2026-05-25 17:20:45] [INFO ] Invariant cache hit.
[2026-05-25 17:20:45] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-25 17:20:45] [INFO ] Implicit Places using invariants and state equation in 41 ms returned []
Implicit Place search using SMT with State Equation took 67 ms to find 0 implicit places.
[2026-05-25 17:20:45] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 78 ms. Remains : 20/20 places, 33/33 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 44 ms :[(NOT p0)]
Running random walk in product with property : JoinFreeModules-PT-0004-LTLFireability-15
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA JoinFreeModules-PT-0004-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0004-LTLFireability-15 finished in 155 ms.
All properties solved by simple procedures.
Total runtime 13599 ms.

BK_STOP 1779729645917

--------------------
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-0004"
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-0004, 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-177961107700148"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/JoinFreeModules-PT-0004.tgz
mv JoinFreeModules-PT-0004 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 ;