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-177961107700180.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
...................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is JoinFreeModules-PT-0050, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r162-smll-177961107700180
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 648K
-rw-r--r-- 1 mcc users 7.2K Mar 7 15:42 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K Mar 7 15:42 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.1K Mar 7 15:42 CTLFireability.txt
-rw-r--r-- 1 mcc users 71K Mar 7 15:42 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 2.4K Mar 15 11:04 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 11:04 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 7 15:42 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 105K Mar 7 15:42 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 7 15:42 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 103K Mar 7 15:42 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 11:04 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 11:04 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 152K 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-0050-LTLFireability-00
FORMULA_NAME JoinFreeModules-PT-0050-LTLFireability-01
FORMULA_NAME JoinFreeModules-PT-0050-LTLFireability-02
FORMULA_NAME JoinFreeModules-PT-0050-LTLFireability-03
FORMULA_NAME JoinFreeModules-PT-0050-LTLFireability-04
FORMULA_NAME JoinFreeModules-PT-0050-LTLFireability-05
FORMULA_NAME JoinFreeModules-PT-0050-LTLFireability-06
FORMULA_NAME JoinFreeModules-PT-0050-LTLFireability-07
FORMULA_NAME JoinFreeModules-PT-0050-LTLFireability-08
FORMULA_NAME JoinFreeModules-PT-0050-LTLFireability-09
FORMULA_NAME JoinFreeModules-PT-0050-LTLFireability-10
FORMULA_NAME JoinFreeModules-PT-0050-LTLFireability-11
FORMULA_NAME JoinFreeModules-PT-0050-LTLFireability-12
FORMULA_NAME JoinFreeModules-PT-0050-LTLFireability-13
FORMULA_NAME JoinFreeModules-PT-0050-LTLFireability-14
FORMULA_NAME JoinFreeModules-PT-0050-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779741471460

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-0050
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-25 20:37:54] [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 20:37:54] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 20:37:54] [INFO ] Load time of PNML (sax parser for PT used): 190 ms
[2026-05-25 20:37:54] [INFO ] Transformed 251 places.
[2026-05-25 20:37:54] [INFO ] Transformed 401 transitions.
[2026-05-25 20:37:54] [INFO ] Parsed PT model containing 251 places and 401 transitions and 1152 arcs in 402 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-0050-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA JoinFreeModules-PT-0050-LTLFireability-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA JoinFreeModules-PT-0050-LTLFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 35 out of 250 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 250/250 places, 401/401 transitions.
Applied a total of 0 rules in 29 ms. Remains 250 /250 variables (removed 0) and now considering 401/401 (removed 0) transitions.
Running 300 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-1324277762639667917.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-744422946234008659.kers'
[2026-05-25 20:37:54] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1324277762639667917.kers, --Pflows, --basisKERS=/tmp/petrispot-output-744422946234008659.kers]
Normalized transition count is 400 out of 401 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 400 rows 250 cols 1000 entries
Finished phase 1 with 200 SingleSign rule and 0 generalized
[2026-05-25 20:37:54] [INFO ] Computed 50 invariants in 4 ms
Computed 50 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-744422946234008659.kers
Total runtime 6 ms.
[2026-05-25 20:37:54] [INFO ] State equation strengthened by 50 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/200 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 300 unsolved
At refinement iteration 1 (OVERLAPS) 50/250 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 300 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/250 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 300 unsolved
At refinement iteration 3 (OVERLAPS) 400/650 variables, 250/300 constraints. Problems are: Problem set: 0 solved, 300 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/650 variables, 50/350 constraints. Problems are: Problem set: 0 solved, 300 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 650/651 variables, and 350 constraints, problems are : Problem set: 0 solved, 300 unsolved in 20115 ms.
Refiners :[Positive P Invariants (semi-flows): 50/50 constraints, State Equation: 250/250 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 300/300 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 300 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/200 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 300 unsolved
At refinement iteration 1 (OVERLAPS) 50/250 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 300 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/250 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 300 unsolved
At refinement iteration 3 (OVERLAPS) 400/650 variables, 250/300 constraints. Problems are: Problem set: 0 solved, 300 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/650 variables, 50/350 constraints. Problems are: Problem set: 0 solved, 300 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/650 variables, 300/650 constraints. Problems are: Problem set: 0 solved, 300 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 650/651 variables, and 653 constraints, problems are : Problem set: 0 solved, 300 unsolved in 20021 ms.
Refiners :[Positive P Invariants (semi-flows): 50/50 constraints, State Equation: 250/250 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 300/300 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40382ms problems are : Problem set: 0 solved, 300 unsolved
Search for dead transitions found 0 dead transitions in 40409ms
[2026-05-25 20:38:35] [INFO ] Invariant cache hit.
[2026-05-25 20:38:35] [INFO ] Implicit Places using invariants in 129 ms returned []
[2026-05-25 20:38:35] [INFO ] Invariant cache hit.
[2026-05-25 20:38:35] [INFO ] State equation strengthened by 50 read => feed constraints.
[2026-05-25 20:38:35] [INFO ] Implicit Places using invariants and state equation in 409 ms returned []
Implicit Place search using SMT with State Equation took 548 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 41094 ms. Remains : 250/250 places, 401/401 transitions.
Starting structural reductions in LTL mode, iteration 0 : 250/250 places, 401/401 transitions.
Applied a total of 0 rules in 24 ms. Remains 250 /250 variables (removed 0) and now considering 401/401 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 20:38:35] [INFO ] Invariant cache hit.
[2026-05-25 20:38:35] [INFO ] Implicit Places using invariants in 113 ms returned []
[2026-05-25 20:38:35] [INFO ] Invariant cache hit.
[2026-05-25 20:38:36] [INFO ] State equation strengthened by 50 read => feed constraints.
[2026-05-25 20:38:36] [INFO ] Implicit Places using invariants and state equation in 378 ms returned []
Implicit Place search using SMT with State Equation took 493 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 518 ms. Remains : 250/250 places, 401/401 transitions.
Support contains 35 out of 250 places after structural reductions.
[2026-05-25 20:38:36] [INFO ] Flatten gal took : 167 ms
[2026-05-25 20:38:36] [INFO ] Flatten gal took : 52 ms
[2026-05-25 20:38:37] [INFO ] Input system was already deterministic with 401 transitions.
RANDOM walk for 40033 steps (8 resets) in 1265 ms. (31 steps per ms) remains 0/35 properties
FORMULA JoinFreeModules-PT-0050-LTLFireability-04 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA JoinFreeModules-PT-0050-LTLFireability-13 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(G(p0))) U (F(p1) U p2))))'
Support contains 3 out of 250 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 250/250 places, 401/401 transitions.
Applied a total of 0 rules in 26 ms. Remains 250 /250 variables (removed 0) and now considering 401/401 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 20:38:38] [INFO ] Invariant cache hit.
[2026-05-25 20:38:38] [INFO ] Implicit Places using invariants in 120 ms returned []
[2026-05-25 20:38:38] [INFO ] Invariant cache hit.
[2026-05-25 20:38:38] [INFO ] State equation strengthened by 50 read => feed constraints.
[2026-05-25 20:38:38] [INFO ] Implicit Places using invariants and state equation in 387 ms returned []
Implicit Place search using SMT with State Equation took 515 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 541 ms. Remains : 250/250 places, 401/401 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(G(p0))) U (F(p1) U p2))))'
Stuttering acceptance computed with spot in 708 ms :[(NOT p2), (NOT p2), (AND (NOT p1) p2 (NOT p0)), (AND (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p2)), (NOT p1), (NOT p2)]
Running random walk in product with property : JoinFreeModules-PT-0050-LTLFireability-00
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 2 ms.
FORMULA JoinFreeModules-PT-0050-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0050-LTLFireability-00 finished in 1404 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 250 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 250/250 places, 401/401 transitions.
Applied a total of 0 rules in 45 ms. Remains 250 /250 variables (removed 0) and now considering 401/401 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 20:38:39] [INFO ] Invariant cache hit.
[2026-05-25 20:38:39] [INFO ] Implicit Places using invariants in 115 ms returned []
[2026-05-25 20:38:39] [INFO ] Invariant cache hit.
[2026-05-25 20:38:39] [INFO ] State equation strengthened by 50 read => feed constraints.
[2026-05-25 20:38:39] [INFO ] Implicit Places using invariants and state equation in 377 ms returned []
Implicit Place search using SMT with State Equation took 495 ms to find 0 implicit places.
[2026-05-25 20:38:39] [INFO ] Redundant transitions in 50 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 599 ms. Remains : 250/250 places, 401/401 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 105 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : JoinFreeModules-PT-0050-LTLFireability-01
Product exploration explored 100000 steps with 8 reset in 3090 ms.
Stack based approach found an accepted trace after 73130 steps with 5 reset with depth 13580 and stack size 4043 in 2661 ms.
FORMULA JoinFreeModules-PT-0050-LTLFireability-01 FALSE TECHNIQUES STACK_TEST
Treatment of property JoinFreeModules-PT-0050-LTLFireability-01 finished in 6507 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&&X(p1)))))'
Support contains 2 out of 250 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 250/250 places, 401/401 transitions.
Applied a total of 0 rules in 8 ms. Remains 250 /250 variables (removed 0) and now considering 401/401 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 20:38:45] [INFO ] Invariant cache hit.
[2026-05-25 20:38:45] [INFO ] Implicit Places using invariants in 108 ms returned []
[2026-05-25 20:38:45] [INFO ] Invariant cache hit.
[2026-05-25 20:38:46] [INFO ] State equation strengthened by 50 read => feed constraints.
[2026-05-25 20:38:46] [INFO ] Implicit Places using invariants and state equation in 333 ms returned []
Implicit Place search using SMT with State Equation took 444 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 453 ms. Remains : 250/250 places, 401/401 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&&X(p1)))))'
Stuttering acceptance computed with spot in 177 ms :[true, (OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0))]
Running random walk in product with property : JoinFreeModules-PT-0050-LTLFireability-03
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA JoinFreeModules-PT-0050-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0050-LTLFireability-03 finished in 676 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 2 out of 250 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 250/250 places, 401/401 transitions.
Applied a total of 0 rules in 28 ms. Remains 250 /250 variables (removed 0) and now considering 401/401 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 20:38:46] [INFO ] Invariant cache hit.
[2026-05-25 20:38:46] [INFO ] Implicit Places using invariants in 100 ms returned []
[2026-05-25 20:38:46] [INFO ] Invariant cache hit.
[2026-05-25 20:38:46] [INFO ] State equation strengthened by 50 read => feed constraints.
[2026-05-25 20:38:46] [INFO ] Implicit Places using invariants and state equation in 331 ms returned []
Implicit Place search using SMT with State Equation took 433 ms to find 0 implicit places.
[2026-05-25 20:38:46] [INFO ] Redundant transitions in 5 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 477 ms. Remains : 250/250 places, 401/401 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Stuttering acceptance computed with spot in 53 ms :[(NOT p0)]
Running random walk in product with property : JoinFreeModules-PT-0050-LTLFireability-05
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA JoinFreeModules-PT-0050-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0050-LTLFireability-05 finished in 571 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(G(p1)) U p2)))&&F(p3)))'
Support contains 4 out of 250 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 250/250 places, 401/401 transitions.
Applied a total of 0 rules in 27 ms. Remains 250 /250 variables (removed 0) and now considering 401/401 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 20:38:47] [INFO ] Invariant cache hit.
[2026-05-25 20:38:47] [INFO ] Implicit Places using invariants in 113 ms returned []
[2026-05-25 20:38:47] [INFO ] Invariant cache hit.
[2026-05-25 20:38:47] [INFO ] State equation strengthened by 50 read => feed constraints.
[2026-05-25 20:38:47] [INFO ] Implicit Places using invariants and state equation in 374 ms returned []
Implicit Place search using SMT with State Equation took 490 ms to find 0 implicit places.
[2026-05-25 20:38:47] [INFO ] Redundant transitions in 3 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 528 ms. Remains : 250/250 places, 401/401 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(G(p1)) U p2)))&&F(p3)))'
Stuttering acceptance computed with spot in 290 ms :[(OR (NOT p3) (AND (NOT p0) (NOT p2))), (NOT p1), (NOT p2), (AND (NOT p0) (NOT p2)), (NOT p3)]
Running random walk in product with property : JoinFreeModules-PT-0050-LTLFireability-06
Product exploration explored 100000 steps with 0 reset in 2721 ms.
Stack based approach found an accepted trace after 12479 steps with 0 reset with depth 12480 and stack size 6760 in 346 ms.
FORMULA JoinFreeModules-PT-0050-LTLFireability-06 FALSE TECHNIQUES STACK_TEST
Treatment of property JoinFreeModules-PT-0050-LTLFireability-06 finished in 3936 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0) U ((G(p1) U p2)||X(F(p1)))))'
Support contains 3 out of 250 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 250/250 places, 401/401 transitions.
Applied a total of 0 rules in 3 ms. Remains 250 /250 variables (removed 0) and now considering 401/401 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 20:38:51] [INFO ] Invariant cache hit.
[2026-05-25 20:38:51] [INFO ] Implicit Places using invariants in 99 ms returned []
[2026-05-25 20:38:51] [INFO ] Invariant cache hit.
[2026-05-25 20:38:51] [INFO ] State equation strengthened by 50 read => feed constraints.
[2026-05-25 20:38:51] [INFO ] Implicit Places using invariants and state equation in 315 ms returned []
Implicit Place search using SMT with State Equation took 416 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 419 ms. Remains : 250/250 places, 401/401 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0) U ((G(p1) U p2)||X(F(p1)))))'
Stuttering acceptance computed with spot in 156 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p2)), (NOT p1), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p1) (NOT p2)))]
Running random walk in product with property : JoinFreeModules-PT-0050-LTLFireability-07
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA JoinFreeModules-PT-0050-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0050-LTLFireability-07 finished in 630 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) U X(p1)) U (X((p2 U G(p3)))&&G(p4))))'
Support contains 5 out of 250 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 250/250 places, 401/401 transitions.
Applied a total of 0 rules in 5 ms. Remains 250 /250 variables (removed 0) and now considering 401/401 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 20:38:51] [INFO ] Invariant cache hit.
[2026-05-25 20:38:51] [INFO ] Implicit Places using invariants in 92 ms returned []
[2026-05-25 20:38:51] [INFO ] Invariant cache hit.
[2026-05-25 20:38:52] [INFO ] State equation strengthened by 50 read => feed constraints.
[2026-05-25 20:38:52] [INFO ] Implicit Places using invariants and state equation in 288 ms returned []
Implicit Place search using SMT with State Equation took 382 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 387 ms. Remains : 250/250 places, 401/401 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) U X(p1)) U (X((p2 U G(p3)))&&G(p4))))'
Stuttering acceptance computed with spot in 1117 ms :[(OR (NOT p3) (NOT p4)), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1) (NOT p3)), (NOT p3), (AND (NOT p0) (NOT p4) (NOT p1)), (NOT p4), (NOT p0), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3) (NOT p1)), (AND (NOT p1) (NOT p3)), (NOT p3), (AND (NOT p0) (NOT p3) (NOT p4) (NOT p1) p2), (AND p2 (NOT p3) (NOT p4)), (AND (NOT p0) (NOT p4) p1), (AND (NOT p0) (NOT p3) (NOT p4) p1)]
Running random walk in product with property : JoinFreeModules-PT-0050-LTLFireability-08
Product exploration explored 100000 steps with 11 reset in 2932 ms.
Stack based approach found an accepted trace after 5395 steps with 0 reset with depth 5396 and stack size 5391 in 157 ms.
FORMULA JoinFreeModules-PT-0050-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property JoinFreeModules-PT-0050-LTLFireability-08 finished in 4727 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((G(p0)||X(X(((p1||X(!p0)) U (G((p1||X(!p0)))||(X(p2)&&(p1||X(!p0))))))))))'
Support contains 3 out of 250 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 250/250 places, 401/401 transitions.
Applied a total of 0 rules in 3 ms. Remains 250 /250 variables (removed 0) and now considering 401/401 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 20:38:56] [INFO ] Invariant cache hit.
[2026-05-25 20:38:56] [INFO ] Implicit Places using invariants in 110 ms returned []
[2026-05-25 20:38:56] [INFO ] Invariant cache hit.
[2026-05-25 20:38:56] [INFO ] State equation strengthened by 50 read => feed constraints.
[2026-05-25 20:38:56] [INFO ] Implicit Places using invariants and state equation in 352 ms returned []
Implicit Place search using SMT with State Equation took 469 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 474 ms. Remains : 250/250 places, 401/401 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((G(p0)||X(X(((p1||X(!p0)) U (G((p1||X(!p0)))||(X(p2)&&(p1||X(!p0))))))))))'
Stuttering acceptance computed with spot in 498 ms :[false, (AND p0 (NOT p1)), false, (AND p0 (NOT p1)), p0, (AND (NOT p1) (NOT p2) p0), true, false, false, (NOT p0)]
Running random walk in product with property : JoinFreeModules-PT-0050-LTLFireability-09
Entered a terminal (fully accepting) state of product in 9066 steps with 82 reset in 287 ms.
FORMULA JoinFreeModules-PT-0050-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0050-LTLFireability-09 finished in 1318 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) U (p1&&F(p2))) U p3))'
Support contains 4 out of 250 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 250/250 places, 401/401 transitions.
Applied a total of 0 rules in 28 ms. Remains 250 /250 variables (removed 0) and now considering 401/401 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 20:38:57] [INFO ] Invariant cache hit.
[2026-05-25 20:38:57] [INFO ] Implicit Places using invariants in 107 ms returned []
[2026-05-25 20:38:57] [INFO ] Invariant cache hit.
[2026-05-25 20:38:58] [INFO ] State equation strengthened by 50 read => feed constraints.
[2026-05-25 20:38:58] [INFO ] Implicit Places using invariants and state equation in 249 ms returned []
Implicit Place search using SMT with State Equation took 358 ms to find 0 implicit places.
[2026-05-25 20:38:58] [INFO ] Redundant transitions in 2 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 394 ms. Remains : 250/250 places, 401/401 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) U (p1&&F(p2))) U p3))'
Stuttering acceptance computed with spot in 171 ms :[(NOT p3), (NOT p0), (OR (NOT p1) (NOT p2)), (NOT p2)]
Running random walk in product with property : JoinFreeModules-PT-0050-LTLFireability-10
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA JoinFreeModules-PT-0050-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0050-LTLFireability-10 finished in 608 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 U (p1||G(p0)))) U !p0))'
Support contains 2 out of 250 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 250/250 places, 401/401 transitions.
Applied a total of 0 rules in 14 ms. Remains 250 /250 variables (removed 0) and now considering 401/401 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 20:38:58] [INFO ] Invariant cache hit.
[2026-05-25 20:38:58] [INFO ] Implicit Places using invariants in 62 ms returned []
[2026-05-25 20:38:58] [INFO ] Invariant cache hit.
[2026-05-25 20:38:58] [INFO ] State equation strengthened by 50 read => feed constraints.
[2026-05-25 20:38:58] [INFO ] Implicit Places using invariants and state equation in 355 ms returned []
Implicit Place search using SMT with State Equation took 421 ms to find 0 implicit places.
[2026-05-25 20:38:58] [INFO ] Redundant transitions in 4 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 446 ms. Remains : 250/250 places, 401/401 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 U (G(p0)||p1))) U !p0))'
Stuttering acceptance computed with spot in 102 ms :[p0, (AND (NOT p0) (NOT p1))]
Running random walk in product with property : JoinFreeModules-PT-0050-LTLFireability-12
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA JoinFreeModules-PT-0050-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0050-LTLFireability-12 finished in 584 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((X(X(p0))||(G(p1) U (p1&&(p2||X(p2))))))))'
Support contains 3 out of 250 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 250/250 places, 401/401 transitions.
Applied a total of 0 rules in 4 ms. Remains 250 /250 variables (removed 0) and now considering 401/401 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 20:38:58] [INFO ] Invariant cache hit.
[2026-05-25 20:38:59] [INFO ] Implicit Places using invariants in 104 ms returned []
[2026-05-25 20:38:59] [INFO ] Invariant cache hit.
[2026-05-25 20:38:59] [INFO ] State equation strengthened by 50 read => feed constraints.
[2026-05-25 20:38:59] [INFO ] Implicit Places using invariants and state equation in 350 ms returned []
Implicit Place search using SMT with State Equation took 459 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 464 ms. Remains : 250/250 places, 401/401 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((X(X(p0))||(G(p1) U (p1&&(p2||X(p2))))))))'
Stuttering acceptance computed with spot in 431 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (AND (NOT p0) (NOT p2)), (NOT p0), true, (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p1), (NOT p2)]
Running random walk in product with property : JoinFreeModules-PT-0050-LTLFireability-14
Entered a terminal (fully accepting) state of product in 24552 steps with 1 reset in 852 ms.
FORMULA JoinFreeModules-PT-0050-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0050-LTLFireability-14 finished in 1816 ms.
All properties solved by simple procedures.
Total runtime 66689 ms.

BK_STOP 1779741540831

--------------------
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-0050"
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-0050, 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-177961107700180"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/JoinFreeModules-PT-0050.tgz
mv JoinFreeModules-PT-0050 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 ;