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.r082-smll-177946993600260.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 Dekker-PT-015, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r082-smll-177946993600260
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 628K
-rw-r--r-- 1 mcc users 7.4K Mar 4 18:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K Mar 4 18:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K Mar 4 18:46 CTLFireability.txt
-rw-r--r-- 1 mcc users 40K Mar 4 18:46 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.2K Mar 15 08:52 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 08:52 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Mar 15 08:52 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 08:52 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 4 18:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 130K Mar 4 18:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 4 18:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 88K Mar 4 18:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 08:52 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 08:52 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 141K 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 Dekker-PT-015-LTLFireability-00
FORMULA_NAME Dekker-PT-015-LTLFireability-01
FORMULA_NAME Dekker-PT-015-LTLFireability-02
FORMULA_NAME Dekker-PT-015-LTLFireability-03
FORMULA_NAME Dekker-PT-015-LTLFireability-04
FORMULA_NAME Dekker-PT-015-LTLFireability-05
FORMULA_NAME Dekker-PT-015-LTLFireability-06
FORMULA_NAME Dekker-PT-015-LTLFireability-07
FORMULA_NAME Dekker-PT-015-LTLFireability-08
FORMULA_NAME Dekker-PT-015-LTLFireability-09
FORMULA_NAME Dekker-PT-015-LTLFireability-10
FORMULA_NAME Dekker-PT-015-LTLFireability-11
FORMULA_NAME Dekker-PT-015-LTLFireability-12
FORMULA_NAME Dekker-PT-015-LTLFireability-13
FORMULA_NAME Dekker-PT-015-LTLFireability-14
FORMULA_NAME Dekker-PT-015-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779636922230

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Dekker-PT-015
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-24 15:35:24] [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]
[2026-05-24 15:35:24] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 15:35:25] [INFO ] Load time of PNML (sax parser for PT used): 174 ms
[2026-05-24 15:35:25] [INFO ] Transformed 75 places.
[2026-05-24 15:35:25] [INFO ] Transformed 255 transitions.
[2026-05-24 15:35:25] [INFO ] Found NUPN structural information;
[2026-05-24 15:35:25] [INFO ] Parsed PT model containing 75 places and 255 transitions and 1830 arcs in 385 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 22 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA Dekker-PT-015-LTLFireability-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Dekker-PT-015-LTLFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Dekker-PT-015-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 45 out of 75 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 75/75 places, 255/255 transitions.
Applied a total of 0 rules in 39 ms. Remains 75 /75 variables (removed 0) and now considering 255/255 (removed 0) transitions.
[2026-05-24 15:35:25] [INFO ] Flow matrix only has 60 transitions (discarded 195 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10638066928089436476.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8200905427308197432.kers'
[2026-05-24 15:35:25] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10638066928089436476.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8200905427308197432.kers]
Culling duplicate invariants (modulo rational): removing 30 columns.
Culled 30 columns in 0 ms.
// Phase 1: matrix 60 rows 45 cols 120 entries
Finished phase 1 with 30 SingleSign rule and 0 generalized
[2026-05-24 15:35:25] [INFO ] Computed 45 invariants in 0 ms
Computed 45 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-8200905427308197432.kers
Total runtime 2 ms.
[2026-05-24 15:35:26] [INFO ] Implicit Places using invariants in 585 ms returned [30, 33, 36, 39, 42, 45, 51, 54, 57, 60, 69, 72]
Discarding 12 places :
Implicit Place search using SMT only with invariants took 662 ms to find 12 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 63/75 places, 255/255 transitions.
Applied a total of 0 rules in 8 ms. Remains 63 /63 variables (removed 0) and now considering 255/255 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 746 ms. Remains : 63/75 places, 255/255 transitions.
Starting structural reductions in LTL mode, iteration 0 : 63/63 places, 255/255 transitions.
Applied a total of 0 rules in 7 ms. Remains 63 /63 variables (removed 0) and now considering 255/255 (removed 0) transitions.
[2026-05-24 15:35:26] [INFO ] Flow matrix only has 60 transitions (discarded 195 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2529847214410378079.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-692181555655049793.kers'
[2026-05-24 15:35:26] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2529847214410378079.kers, --Pflows, --basisKERS=/tmp/petrispot-output-692181555655049793.kers]
Culling duplicate invariants (modulo rational): removing 18 columns.
Culled 18 columns in 0 ms.
// Phase 1: matrix 60 rows 45 cols 120 entries
Finished phase 1 with 30 SingleSign rule and 0 generalized
[2026-05-24 15:35:26] [INFO ] Computed 33 invariants in 0 ms
Computed 33 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-692181555655049793.kers
Total runtime 5 ms.
[2026-05-24 15:35:26] [INFO ] Implicit Places using invariants in 165 ms returned []
[2026-05-24 15:35:26] [INFO ] Flow matrix only has 60 transitions (discarded 195 similar events)
[2026-05-24 15:35:26] [INFO ] Invariant cache hit.
[2026-05-24 15:35:26] [INFO ] State equation strengthened by 15 read => feed constraints.
[2026-05-24 15:35:26] [INFO ] Implicit Places using invariants and state equation in 325 ms returned []
Implicit Place search using SMT with State Equation took 494 ms to find 0 implicit places.
Running 240 sub problems to find dead transitions.
[2026-05-24 15:35:26] [INFO ] Flow matrix only has 60 transitions (discarded 195 similar events)
[2026-05-24 15:35:26] [INFO ] Invariant cache hit.
[2026-05-24 15:35:26] [INFO ] State equation strengthened by 15 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/60 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/60 variables, 30/90 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/60 variables, 20/110 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/60 variables, 18/128 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/60 variables, 0/128 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 5 (OVERLAPS) 3/63 variables, 3/131 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/63 variables, 3/134 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/63 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 8 (OVERLAPS) 60/123 variables, 63/197 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/123 variables, 15/212 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/123 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 11 (OVERLAPS) 0/123 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 240 unsolved
No progress, stopping.
After SMT solving in domain Real declared 123/123 variables, and 212 constraints, problems are : Problem set: 0 solved, 240 unsolved in 13360 ms.
Refiners :[Domain max(s): 63/63 constraints, Positive P Invariants (semi-flows): 30/30 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 63/63 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 240/240 constraints, Known Traps: 38/38 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 240 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/60 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/60 variables, 30/90 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/60 variables, 38/128 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/60 variables, 0/128 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 4 (OVERLAPS) 3/63 variables, 3/131 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/63 variables, 3/134 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/63 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 7 (OVERLAPS) 60/123 variables, 63/197 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/123 variables, 15/212 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/123 variables, 240/452 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/123 variables, 20/472 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/123 variables, 20/492 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/123 variables, 13/505 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/123 variables, 6/511 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/123 variables, 4/515 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/123 variables, 1/516 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/123 variables, 0/516 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 17 (OVERLAPS) 0/123 variables, 1/517 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/123 variables, 1/518 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/123 variables, 1/519 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/123 variables, 0/519 constraints. Problems are: Problem set: 0 solved, 240 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 123/123 variables, and 519 constraints, problems are : Problem set: 0 solved, 240 unsolved in 30036 ms.
Refiners :[Domain max(s): 63/63 constraints, Positive P Invariants (semi-flows): 30/30 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 63/63 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 240/240 constraints, Known Traps: 105/105 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 43685ms problems are : Problem set: 0 solved, 240 unsolved
Search for dead transitions found 0 dead transitions in 43719ms
Finished structural reductions in LTL mode , in 1 iterations and 44263 ms. Remains : 63/63 places, 255/255 transitions.
Support contains 45 out of 63 places after structural reductions.
[2026-05-24 15:36:10] [INFO ] Flatten gal took : 103 ms
[2026-05-24 15:36:11] [INFO ] Flatten gal took : 56 ms
[2026-05-24 15:36:11] [INFO ] Input system was already deterministic with 255 transitions.
Reduction of identical properties reduced properties to check from 32 to 30
RANDOM walk for 40000 steps (8 resets) in 1951 ms. (20 steps per ms) remains 1/30 properties
BEST_FIRST walk for 64 steps (0 resets) in 21 ms. (2 steps per ms) remains 0/1 properties
FORMULA Dekker-PT-015-LTLFireability-07 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA Dekker-PT-015-LTLFireability-11 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(F((p0||G(p1)))))'
Support contains 5 out of 63 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 63/63 places, 255/255 transitions.
Applied a total of 0 rules in 29 ms. Remains 63 /63 variables (removed 0) and now considering 255/255 (removed 0) transitions.
[2026-05-24 15:36:12] [INFO ] Flow matrix only has 60 transitions (discarded 195 similar events)
[2026-05-24 15:36:12] [INFO ] Invariant cache hit.
[2026-05-24 15:36:12] [INFO ] Implicit Places using invariants in 163 ms returned [42, 53]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 166 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 61/63 places, 255/255 transitions.
Applied a total of 0 rules in 32 ms. Remains 61 /61 variables (removed 0) and now considering 255/255 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 227 ms. Remains : 61/63 places, 255/255 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)||p1))))'
Stuttering acceptance computed with spot in 370 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : Dekker-PT-015-LTLFireability-00
Product exploration explored 100000 steps with 2188 reset in 910 ms.
Stack based approach found an accepted trace after 6 steps with 0 reset with depth 7 and stack size 7 in 1 ms.
FORMULA Dekker-PT-015-LTLFireability-00 FALSE TECHNIQUES STACK_TEST
Treatment of property Dekker-PT-015-LTLFireability-00 finished in 1634 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 3 out of 63 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 63/63 places, 255/255 transitions.
Applied a total of 0 rules in 19 ms. Remains 63 /63 variables (removed 0) and now considering 255/255 (removed 0) transitions.
[2026-05-24 15:36:13] [INFO ] Flow matrix only has 60 transitions (discarded 195 similar events)
[2026-05-24 15:36:13] [INFO ] Invariant cache hit.
[2026-05-24 15:36:14] [INFO ] Implicit Places using invariants in 139 ms returned [42, 53, 56]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 141 ms to find 3 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 60/63 places, 255/255 transitions.
Applied a total of 0 rules in 14 ms. Remains 60 /60 variables (removed 0) and now considering 255/255 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 174 ms. Remains : 60/63 places, 255/255 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 70 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Dekker-PT-015-LTLFireability-01
Product exploration explored 100000 steps with 3312 reset in 607 ms.
Stack based approach found an accepted trace after 15 steps with 0 reset with depth 16 and stack size 16 in 1 ms.
FORMULA Dekker-PT-015-LTLFireability-01 FALSE TECHNIQUES STACK_TEST
Treatment of property Dekker-PT-015-LTLFireability-01 finished in 884 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 3 out of 63 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 63/63 places, 255/255 transitions.
Applied a total of 0 rules in 12 ms. Remains 63 /63 variables (removed 0) and now considering 255/255 (removed 0) transitions.
[2026-05-24 15:36:14] [INFO ] Flow matrix only has 60 transitions (discarded 195 similar events)
[2026-05-24 15:36:14] [INFO ] Invariant cache hit.
[2026-05-24 15:36:14] [INFO ] Implicit Places using invariants in 210 ms returned [42, 53, 56]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 212 ms to find 3 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 60/63 places, 255/255 transitions.
Applied a total of 0 rules in 13 ms. Remains 60 /60 variables (removed 0) and now considering 255/255 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 237 ms. Remains : 60/63 places, 255/255 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 52 ms :[(NOT p0)]
Running random walk in product with property : Dekker-PT-015-LTLFireability-02
Product exploration explored 100000 steps with 0 reset in 470 ms.
Stack based approach found an accepted trace after 5 steps with 0 reset with depth 6 and stack size 6 in 1 ms.
FORMULA Dekker-PT-015-LTLFireability-02 FALSE TECHNIQUES STACK_TEST
Treatment of property Dekker-PT-015-LTLFireability-02 finished in 798 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 G(p1)))'
Support contains 5 out of 63 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 63/63 places, 255/255 transitions.
Applied a total of 0 rules in 14 ms. Remains 63 /63 variables (removed 0) and now considering 255/255 (removed 0) transitions.
[2026-05-24 15:36:15] [INFO ] Flow matrix only has 60 transitions (discarded 195 similar events)
[2026-05-24 15:36:15] [INFO ] Invariant cache hit.
[2026-05-24 15:36:15] [INFO ] Implicit Places using invariants in 145 ms returned [42, 53, 56]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 147 ms to find 3 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 60/63 places, 255/255 transitions.
Applied a total of 0 rules in 15 ms. Remains 60 /60 variables (removed 0) and now considering 255/255 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 177 ms. Remains : 60/63 places, 255/255 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(p1)))'
Stuttering acceptance computed with spot in 88 ms :[(NOT p1), (NOT p0)]
Running random walk in product with property : Dekker-PT-015-LTLFireability-04
Product exploration explored 100000 steps with 0 reset in 438 ms.
Stack based approach found an accepted trace after 10 steps with 0 reset with depth 11 and stack size 11 in 0 ms.
FORMULA Dekker-PT-015-LTLFireability-04 FALSE TECHNIQUES STACK_TEST
Treatment of property Dekker-PT-015-LTLFireability-04 finished in 734 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(((F(!p0)&&X(!p1)) U (G((F(!p0)&&X(!p1)))||(F(!p0)&&X((!p1&&(!p2 U (p3||G(!p2))))))))))))'
Support contains 12 out of 63 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 63/63 places, 255/255 transitions.
Applied a total of 0 rules in 2 ms. Remains 63 /63 variables (removed 0) and now considering 255/255 (removed 0) transitions.
[2026-05-24 15:36:16] [INFO ] Flow matrix only has 60 transitions (discarded 195 similar events)
[2026-05-24 15:36:16] [INFO ] Invariant cache hit.
[2026-05-24 15:36:16] [INFO ] Implicit Places using invariants in 104 ms returned [42, 53, 56]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 105 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 60/63 places, 255/255 transitions.
Applied a total of 0 rules in 2 ms. Remains 60 /60 variables (removed 0) and now considering 255/255 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 110 ms. Remains : 60/63 places, 255/255 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(((F(!p0)&&X(!p1)) U (G((F(!p0)&&X(!p1)))||(F(!p0)&&X((!p1&&(!p2 U (p3||G(!p2))))))))))))'
Stuttering acceptance computed with spot in 420 ms :[(OR p1 p0), (OR p1 p0), (OR p1 p0), p1, (AND (NOT p1) p0 (NOT p3) p2), p0, (AND p1 p2 (NOT p3))]
Running random walk in product with property : Dekker-PT-015-LTLFireability-08
Product exploration explored 100000 steps with 24468 reset in 693 ms.
Stack based approach found an accepted trace after 460 steps with 110 reset with depth 5 and stack size 5 in 3 ms.
FORMULA Dekker-PT-015-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property Dekker-PT-015-LTLFireability-08 finished in 1285 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(p0)||F((G(F(!p1))||(F(!p1)&&(!p2 U (G(!p2)||(!p2&&G(!p3))))))))))'
Support contains 19 out of 63 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 63/63 places, 255/255 transitions.
Applied a total of 0 rules in 2 ms. Remains 63 /63 variables (removed 0) and now considering 255/255 (removed 0) transitions.
[2026-05-24 15:36:17] [INFO ] Flow matrix only has 60 transitions (discarded 195 similar events)
[2026-05-24 15:36:17] [INFO ] Invariant cache hit.
[2026-05-24 15:36:17] [INFO ] Implicit Places using invariants in 113 ms returned [42, 56]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 115 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 61/63 places, 255/255 transitions.
Applied a total of 0 rules in 1 ms. Remains 61 /61 variables (removed 0) and now considering 255/255 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 119 ms. Remains : 61/63 places, 255/255 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(p0)||F((G(F(p1))||(F(p1)&&(!p2 U (G(!p2)||(!p2&&G(!p3))))))))))'
Stuttering acceptance computed with spot in 519 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) p2 p3 (NOT p0)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1) p2), (NOT p1), (AND p0 (NOT p1)), (AND (NOT p1) p0 p2 p3), (AND (NOT p1) p3), (AND p0 (NOT p1) p3), (AND p0 (NOT p1) p2)]
Running random walk in product with property : Dekker-PT-015-LTLFireability-09
Product exploration explored 100000 steps with 10508 reset in 479 ms.
Stack based approach found an accepted trace after 21 steps with 1 reset with depth 11 and stack size 11 in 1 ms.
FORMULA Dekker-PT-015-LTLFireability-09 FALSE TECHNIQUES STACK_TEST
Treatment of property Dekker-PT-015-LTLFireability-09 finished in 1202 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 (p1 U G(p2))) U X(p0))))'
Support contains 7 out of 63 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 63/63 places, 255/255 transitions.
Applied a total of 0 rules in 2 ms. Remains 63 /63 variables (removed 0) and now considering 255/255 (removed 0) transitions.
[2026-05-24 15:36:18] [INFO ] Flow matrix only has 60 transitions (discarded 195 similar events)
[2026-05-24 15:36:18] [INFO ] Invariant cache hit.
[2026-05-24 15:36:18] [INFO ] Implicit Places using invariants in 150 ms returned [42, 53, 56]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 153 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 60/63 places, 255/255 transitions.
Applied a total of 0 rules in 2 ms. Remains 60 /60 variables (removed 0) and now considering 255/255 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 157 ms. Remains : 60/63 places, 255/255 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 (p1 U G(p2))) U X(p0))))'
Stuttering acceptance computed with spot in 368 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p2)), (AND (NOT p2) (NOT p0)), true, (NOT p2), (NOT p2)]
Running random walk in product with property : Dekker-PT-015-LTLFireability-10
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA Dekker-PT-015-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Dekker-PT-015-LTLFireability-10 finished in 589 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&F(p1)&&X(X(X(G((G(p3)||p2)))))))'
Support contains 8 out of 63 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 63/63 places, 255/255 transitions.
Applied a total of 0 rules in 1 ms. Remains 63 /63 variables (removed 0) and now considering 255/255 (removed 0) transitions.
[2026-05-24 15:36:19] [INFO ] Flow matrix only has 60 transitions (discarded 195 similar events)
[2026-05-24 15:36:19] [INFO ] Invariant cache hit.
[2026-05-24 15:36:19] [INFO ] Implicit Places using invariants in 143 ms returned [42, 53, 56]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 144 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 60/63 places, 255/255 transitions.
Applied a total of 0 rules in 1 ms. Remains 60 /60 variables (removed 0) and now considering 255/255 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 148 ms. Remains : 60/63 places, 255/255 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&F(p1)&&X(X(X(G((G(p3)||p2)))))))'
Stuttering acceptance computed with spot in 279 ms :[(OR (NOT p0) (NOT p1) (AND (NOT p2) (NOT p3))), (NOT p0), (NOT p1), (AND (NOT p3) (NOT p2)), (AND (NOT p3) (NOT p2)), (AND (NOT p3) (NOT p2)), true, (NOT p3)]
Running random walk in product with property : Dekker-PT-015-LTLFireability-12
Entered a terminal (fully accepting) state of product in 42 steps with 1 reset in 0 ms.
FORMULA Dekker-PT-015-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Dekker-PT-015-LTLFireability-12 finished in 476 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(X(X((G(p0)||G(p1)))))))'
Support contains 4 out of 63 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 63/63 places, 255/255 transitions.
Applied a total of 0 rules in 2 ms. Remains 63 /63 variables (removed 0) and now considering 255/255 (removed 0) transitions.
[2026-05-24 15:36:19] [INFO ] Flow matrix only has 60 transitions (discarded 195 similar events)
[2026-05-24 15:36:19] [INFO ] Invariant cache hit.
[2026-05-24 15:36:19] [INFO ] Implicit Places using invariants in 103 ms returned [42, 53, 56]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 105 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 60/63 places, 255/255 transitions.
Applied a total of 0 rules in 2 ms. Remains 60 /60 variables (removed 0) and now considering 255/255 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 109 ms. Remains : 60/63 places, 255/255 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((G(p0)||G(p1)))))))'
Stuttering acceptance computed with spot in 285 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : Dekker-PT-015-LTLFireability-13
Entered a terminal (fully accepting) state of product in 9 steps with 0 reset in 0 ms.
FORMULA Dekker-PT-015-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Dekker-PT-015-LTLFireability-13 finished in 425 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((!p1 U (p2||G(!p1))))||p0))))'
Support contains 6 out of 63 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 63/63 places, 255/255 transitions.
Applied a total of 0 rules in 2 ms. Remains 63 /63 variables (removed 0) and now considering 255/255 (removed 0) transitions.
[2026-05-24 15:36:20] [INFO ] Flow matrix only has 60 transitions (discarded 195 similar events)
[2026-05-24 15:36:20] [INFO ] Invariant cache hit.
[2026-05-24 15:36:20] [INFO ] Implicit Places using invariants in 120 ms returned [42, 53, 56]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 122 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 60/63 places, 255/255 transitions.
Applied a total of 0 rules in 2 ms. Remains 60 /60 variables (removed 0) and now considering 255/255 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 126 ms. Remains : 60/63 places, 255/255 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((!p1 U (p2||G(!p1))))||p0))))'
Stuttering acceptance computed with spot in 139 ms :[true, (AND p1 (NOT p2)), (AND (NOT p2) p1 (NOT p0)), (AND (NOT p0) (NOT p2) p1)]
Running random walk in product with property : Dekker-PT-015-LTLFireability-14
Entered a terminal (fully accepting) state of product in 32 steps with 0 reset in 0 ms.
FORMULA Dekker-PT-015-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Dekker-PT-015-LTLFireability-14 finished in 297 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&F(p1)&&X(p2)))'
Support contains 7 out of 63 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 63/63 places, 255/255 transitions.
Applied a total of 0 rules in 2 ms. Remains 63 /63 variables (removed 0) and now considering 255/255 (removed 0) transitions.
[2026-05-24 15:36:20] [INFO ] Flow matrix only has 60 transitions (discarded 195 similar events)
[2026-05-24 15:36:20] [INFO ] Invariant cache hit.
[2026-05-24 15:36:20] [INFO ] Implicit Places using invariants in 110 ms returned [53, 56]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 111 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 61/63 places, 255/255 transitions.
Applied a total of 0 rules in 1 ms. Remains 61 /61 variables (removed 0) and now considering 255/255 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 115 ms. Remains : 61/63 places, 255/255 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&F(p1)&&X(p2)))'
Stuttering acceptance computed with spot in 167 ms :[(OR (NOT p1) (NOT p0) (NOT p2)), (NOT p0), (NOT p1), (NOT p2), true]
Running random walk in product with property : Dekker-PT-015-LTLFireability-15
Product exploration explored 100000 steps with 5919 reset in 420 ms.
Stack based approach found an accepted trace after 3 steps with 0 reset with depth 4 and stack size 4 in 2 ms.
FORMULA Dekker-PT-015-LTLFireability-15 FALSE TECHNIQUES STACK_TEST
Treatment of property Dekker-PT-015-LTLFireability-15 finished in 736 ms.
All properties solved by simple procedures.
Total runtime 56564 ms.

BK_STOP 1779636981365

--------------------
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="Dekker-PT-015"
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 Dekker-PT-015, 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 r082-smll-177946993600260"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Dekker-PT-015.tgz
mv Dekker-PT-015 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 ;