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-177946993600276.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-050, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r082-smll-177946993600276
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.0M
-rw-r--r-- 1 mcc users 7.1K Mar 4 18:53 CTLCardinality.txt
-rw-r--r-- 1 mcc users 73K Mar 4 18:53 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Mar 4 18:51 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K Mar 4 18:51 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 3.7K Mar 15 08:52 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 08:52 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K Mar 15 08:53 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 08:53 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Mar 4 18:53 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 155K Mar 4 18:53 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 14K Mar 4 18:53 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 100K Mar 4 18:53 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 08:53 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 08:53 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 1.5M 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-050-LTLFireability-00
FORMULA_NAME Dekker-PT-050-LTLFireability-01
FORMULA_NAME Dekker-PT-050-LTLFireability-02
FORMULA_NAME Dekker-PT-050-LTLFireability-03
FORMULA_NAME Dekker-PT-050-LTLFireability-04
FORMULA_NAME Dekker-PT-050-LTLFireability-05
FORMULA_NAME Dekker-PT-050-LTLFireability-06
FORMULA_NAME Dekker-PT-050-LTLFireability-07
FORMULA_NAME Dekker-PT-050-LTLFireability-08
FORMULA_NAME Dekker-PT-050-LTLFireability-09
FORMULA_NAME Dekker-PT-050-LTLFireability-10
FORMULA_NAME Dekker-PT-050-LTLFireability-11
FORMULA_NAME Dekker-PT-050-LTLFireability-12
FORMULA_NAME Dekker-PT-050-LTLFireability-13
FORMULA_NAME Dekker-PT-050-LTLFireability-14
FORMULA_NAME Dekker-PT-050-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779638429762

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-050
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-24 16:00:32] [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]
[2026-05-24 16:00:32] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 16:00:32] [INFO ] Load time of PNML (sax parser for PT used): 561 ms
[2026-05-24 16:00:32] [INFO ] Transformed 250 places.
[2026-05-24 16:00:32] [INFO ] Transformed 2600 transitions.
[2026-05-24 16:00:32] [INFO ] Found NUPN structural information;
[2026-05-24 16:00:32] [INFO ] Parsed PT model containing 250 places and 2600 transitions and 20100 arcs in 817 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 15 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
FORMULA Dekker-PT-050-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Dekker-PT-050-LTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 68 out of 250 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 250/250 places, 2600/2600 transitions.
Applied a total of 0 rules in 83 ms. Remains 250 /250 variables (removed 0) and now considering 2600/2600 (removed 0) transitions.
[2026-05-24 16:00:33] [INFO ] Flow matrix only has 200 transitions (discarded 2400 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12305383270714906920.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6023272250464856225.kers'
[2026-05-24 16:00:33] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12305383270714906920.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6023272250464856225.kers]
Culling duplicate invariants (modulo rational): removing 100 columns.
Culled 100 columns in 0 ms.
// Phase 1: matrix 200 rows 150 cols 400 entries
Finished phase 1 with 100 SingleSign rule and 0 generalized
[2026-05-24 16:00:33] [INFO ] Computed 150 invariants in 1 ms
Computed 150 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-6023272250464856225.kers
Total runtime 3 ms.
[2026-05-24 16:00:35] [INFO ] Implicit Places using invariants in 2571 ms returned [100, 103, 106, 109, 112, 115, 118, 121, 124, 127, 130, 133, 136, 139, 142, 145, 148, 151, 154, 157, 160, 163, 166, 169, 172, 175, 178, 181, 184, 187, 190, 193, 196, 199, 205, 208, 211, 214, 217, 220, 223, 226, 229, 232, 235, 238, 241, 244, 247]
Discarding 49 places :
Implicit Place search using SMT only with invariants took 2647 ms to find 49 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 201/250 places, 2600/2600 transitions.
Applied a total of 0 rules in 35 ms. Remains 201 /201 variables (removed 0) and now considering 2600/2600 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 2793 ms. Remains : 201/250 places, 2600/2600 transitions.
Starting structural reductions in LTL mode, iteration 0 : 201/201 places, 2600/2600 transitions.
Applied a total of 0 rules in 28 ms. Remains 201 /201 variables (removed 0) and now considering 2600/2600 (removed 0) transitions.
[2026-05-24 16:00:36] [INFO ] Flow matrix only has 200 transitions (discarded 2400 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2980989312531979419.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17392632543976361783.kers'
[2026-05-24 16:00:36] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2980989312531979419.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17392632543976361783.kers]
Culling duplicate invariants (modulo rational): removing 51 columns.
Culled 51 columns in 0 ms.
// Phase 1: matrix 200 rows 150 cols 400 entries
Finished phase 1 with 100 SingleSign rule and 0 generalized
[2026-05-24 16:00:36] [INFO ] Computed 101 invariants in 1 ms
Computed 101 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-17392632543976361783.kers
Total runtime 2 ms.
[2026-05-24 16:00:36] [INFO ] Implicit Places using invariants in 586 ms returned []
[2026-05-24 16:00:36] [INFO ] Flow matrix only has 200 transitions (discarded 2400 similar events)
[2026-05-24 16:00:36] [INFO ] Invariant cache hit.
[2026-05-24 16:00:36] [INFO ] State equation strengthened by 50 read => feed constraints.
[2026-05-24 16:00:37] [INFO ] Implicit Places using invariants and state equation in 714 ms returned []
Implicit Place search using SMT with State Equation took 1304 ms to find 0 implicit places.
Running 2550 sub problems to find dead transitions.
[2026-05-24 16:00:37] [INFO ] Flow matrix only has 200 transitions (discarded 2400 similar events)
[2026-05-24 16:00:37] [INFO ] Invariant cache hit.
[2026-05-24 16:00:37] [INFO ] State equation strengthened by 50 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
At refinement iteration 0 (INCLUDED_ONLY) 0/200 variables, 200/200 constraints. Problems are: Problem set: 0 solved, 2550 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/200 variables, 100/300 constraints. Problems are: Problem set: 0 solved, 2550 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/200 variables, 20/320 constraints. Problems are: Problem set: 0 solved, 2550 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/200 variables, 20/340 constraints. Problems are: Problem set: 0 solved, 2550 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 200/401 variables, and 340 constraints, problems are : Problem set: 0 solved, 2550 unsolved in 30173 ms.
Refiners :[Domain max(s): 200/201 constraints, Positive P Invariants (semi-flows): 100/100 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/201 constraints, ReadFeed: 0/50 constraints, PredecessorRefiner: 2550/2500 constraints, Known Traps: 40/40 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2550 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/200 variables, 200/200 constraints. Problems are: Problem set: 0 solved, 2550 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/200 variables, 100/300 constraints. Problems are: Problem set: 0 solved, 2550 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/200 variables, 40/340 constraints. Problems are: Problem set: 0 solved, 2550 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/200 variables, 20/360 constraints. Problems are: Problem set: 0 solved, 2550 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/200 variables, 20/380 constraints. Problems are: Problem set: 0 solved, 2550 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/200 variables, 20/400 constraints. Problems are: Problem set: 0 solved, 2550 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/200 variables, 20/420 constraints. Problems are: Problem set: 0 solved, 2550 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/200 variables, 20/440 constraints. Problems are: Problem set: 0 solved, 2550 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 200/401 variables, and 453 constraints, problems are : Problem set: 0 solved, 2550 unsolved in 30093 ms.
Refiners :[Domain max(s): 200/201 constraints, Positive P Invariants (semi-flows): 100/100 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/201 constraints, ReadFeed: 0/50 constraints, PredecessorRefiner: 50/2500 constraints, Known Traps: 153/153 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62099ms problems are : Problem set: 0 solved, 2550 unsolved
Search for dead transitions found 0 dead transitions in 62189ms
Finished structural reductions in LTL mode , in 1 iterations and 63595 ms. Remains : 201/201 places, 2600/2600 transitions.
Support contains 68 out of 201 places after structural reductions.
[2026-05-24 16:01:40] [INFO ] Flatten gal took : 525 ms
[2026-05-24 16:01:40] [INFO ] Flatten gal took : 242 ms
[2026-05-24 16:01:41] [INFO ] Input system was already deterministic with 2600 transitions.
Reduction of identical properties reduced properties to check from 42 to 37
RANDOM walk for 40000 steps (8 resets) in 3134 ms. (12 steps per ms) remains 1/37 properties
BEST_FIRST walk for 408 steps (0 resets) in 12 ms. (31 steps per ms) remains 0/1 properties
FORMULA Dekker-PT-050-LTLFireability-01 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA Dekker-PT-050-LTLFireability-00 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(p1)&&p0))&&(X(G(!p2)) U p3)))'
Support contains 9 out of 201 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 201/201 places, 2600/2600 transitions.
Applied a total of 0 rules in 32 ms. Remains 201 /201 variables (removed 0) and now considering 2600/2600 (removed 0) transitions.
[2026-05-24 16:01:42] [INFO ] Flow matrix only has 200 transitions (discarded 2400 similar events)
[2026-05-24 16:01:42] [INFO ] Invariant cache hit.
[2026-05-24 16:01:43] [INFO ] Implicit Places using invariants in 902 ms returned [168]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 908 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 200/201 places, 2600/2600 transitions.
Applied a total of 0 rules in 25 ms. Remains 200 /200 variables (removed 0) and now considering 2600/2600 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 967 ms. Remains : 200/201 places, 2600/2600 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(p1)&&p0))&&(X(G(!p2)) U p3)))'
Stuttering acceptance computed with spot in 406 ms :[(OR (NOT p0) (NOT p3) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p3) p2), true, (NOT p1), p2]
Running random walk in product with property : Dekker-PT-050-LTLFireability-02
Entered a terminal (fully accepting) state of product in 44 steps with 0 reset in 5 ms.
FORMULA Dekker-PT-050-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Dekker-PT-050-LTLFireability-02 finished in 1525 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(G(p1))))))'
Support contains 6 out of 201 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 201/201 places, 2600/2600 transitions.
Applied a total of 0 rules in 18 ms. Remains 201 /201 variables (removed 0) and now considering 2600/2600 (removed 0) transitions.
[2026-05-24 16:01:44] [INFO ] Flow matrix only has 200 transitions (discarded 2400 similar events)
[2026-05-24 16:01:44] [INFO ] Invariant cache hit.
[2026-05-24 16:01:44] [INFO ] Implicit Places using invariants in 628 ms returned [168]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 631 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 200/201 places, 2600/2600 transitions.
Applied a total of 0 rules in 19 ms. Remains 200 /200 variables (removed 0) and now considering 2600/2600 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 669 ms. Remains : 200/201 places, 2600/2600 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(G(p0))&&p1))))'
Stuttering acceptance computed with spot in 126 ms :[true, (OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : Dekker-PT-050-LTLFireability-03
Entered a terminal (fully accepting) state of product in 346 steps with 0 reset in 13 ms.
FORMULA Dekker-PT-050-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Dekker-PT-050-LTLFireability-03 finished in 843 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(p0)) U (F((G(F(p2))||p1))&&G(p0))))'
Support contains 9 out of 201 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 201/201 places, 2600/2600 transitions.
Applied a total of 0 rules in 15 ms. Remains 201 /201 variables (removed 0) and now considering 2600/2600 (removed 0) transitions.
[2026-05-24 16:01:45] [INFO ] Flow matrix only has 200 transitions (discarded 2400 similar events)
[2026-05-24 16:01:45] [INFO ] Invariant cache hit.
[2026-05-24 16:01:45] [INFO ] Implicit Places using invariants in 545 ms returned [168]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 549 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 200/201 places, 2600/2600 transitions.
Applied a total of 0 rules in 18 ms. Remains 200 /200 variables (removed 0) and now considering 2600/2600 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 583 ms. Remains : 200/201 places, 2600/2600 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(p0)) U (F((G(F(p2))||p1))&&G(p0))))'
Stuttering acceptance computed with spot in 283 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p0), (NOT p0), true]
Running random walk in product with property : Dekker-PT-050-LTLFireability-04
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 1 ms.
FORMULA Dekker-PT-050-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Dekker-PT-050-LTLFireability-04 finished in 912 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G((!((F(p0) U !p1) U p2)||p2))||F(p3)))'
Support contains 12 out of 201 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 201/201 places, 2600/2600 transitions.
Applied a total of 0 rules in 243 ms. Remains 201 /201 variables (removed 0) and now considering 2600/2600 (removed 0) transitions.
[2026-05-24 16:01:46] [INFO ] Flow matrix only has 200 transitions (discarded 2400 similar events)
[2026-05-24 16:01:46] [INFO ] Invariant cache hit.
[2026-05-24 16:01:47] [INFO ] Implicit Places using invariants in 844 ms returned [168]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 851 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 200/201 places, 2600/2600 transitions.
Applied a total of 0 rules in 165 ms. Remains 200 /200 variables (removed 0) and now considering 2600/2600 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1259 ms. Remains : 200/201 places, 2600/2600 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G((!((F(p0) U !p1) U p2)||p2))||F(p3)))'
Stuttering acceptance computed with spot in 521 ms :[false, (AND (NOT p3) p0 (NOT p1) p2), (AND (NOT p1) p2 (NOT p3)), (NOT p3), (AND p2 (NOT p3)), (AND (NOT p1) (NOT p3)), (AND p0 (NOT p1) (NOT p3)), (AND p0 (NOT p3)), (OR (AND p0 (NOT p3)) (AND p2 (NOT p3)))]
Running random walk in product with property : Dekker-PT-050-LTLFireability-05
Product exploration explored 100000 steps with 981 reset in 1571 ms.
Stack based approach found an accepted trace after 295 steps with 3 reset with depth 29 and stack size 29 in 6 ms.
FORMULA Dekker-PT-050-LTLFireability-05 FALSE TECHNIQUES STACK_TEST
Treatment of property Dekker-PT-050-LTLFireability-05 finished in 3419 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(p1)&&p0) U X(p2))) U (X(p4)&&p3)))'
Support contains 7 out of 201 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 201/201 places, 2600/2600 transitions.
Applied a total of 0 rules in 15 ms. Remains 201 /201 variables (removed 0) and now considering 2600/2600 (removed 0) transitions.
[2026-05-24 16:01:49] [INFO ] Flow matrix only has 200 transitions (discarded 2400 similar events)
[2026-05-24 16:01:49] [INFO ] Invariant cache hit.
[2026-05-24 16:01:50] [INFO ] Implicit Places using invariants in 665 ms returned [168]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 668 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 200/201 places, 2600/2600 transitions.
Applied a total of 0 rules in 24 ms. Remains 200 /200 variables (removed 0) and now considering 2600/2600 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 707 ms. Remains : 200/201 places, 2600/2600 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(p1)&&p0) U X(p2))) U (X(p4)&&p3)))'
Stuttering acceptance computed with spot in 575 ms :[(OR (NOT p3) (NOT p4)), (NOT p2), (NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p2) (NOT p4)), (NOT p4), (AND (NOT p1) (NOT p2) (NOT p4)), true, (NOT p1)]
Running random walk in product with property : Dekker-PT-050-LTLFireability-07
Entered a terminal (fully accepting) state of product in 4 steps with 0 reset in 1 ms.
FORMULA Dekker-PT-050-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Dekker-PT-050-LTLFireability-07 finished in 1371 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((((p0 U G(p1))&&(p2 U p0)) U X(p3)))'
Support contains 10 out of 201 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 201/201 places, 2600/2600 transitions.
Applied a total of 0 rules in 14 ms. Remains 201 /201 variables (removed 0) and now considering 2600/2600 (removed 0) transitions.
[2026-05-24 16:01:50] [INFO ] Flow matrix only has 200 transitions (discarded 2400 similar events)
[2026-05-24 16:01:50] [INFO ] Invariant cache hit.
[2026-05-24 16:01:51] [INFO ] Implicit Places using invariants in 772 ms returned [168]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 775 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 200/201 places, 2600/2600 transitions.
Applied a total of 0 rules in 13 ms. Remains 200 /200 variables (removed 0) and now considering 2600/2600 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 802 ms. Remains : 200/201 places, 2600/2600 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))&&(p2 U p0)) U X(p3)))'
Stuttering acceptance computed with spot in 466 ms :[(NOT p3), (NOT p3), (AND (NOT p1) (NOT p3)), (NOT p3), (OR (AND (NOT p1) (NOT p3)) (AND (NOT p0) (NOT p3))), true, (NOT p1), (NOT p1), (NOT p0)]
Running random walk in product with property : Dekker-PT-050-LTLFireability-08
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA Dekker-PT-050-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Dekker-PT-050-LTLFireability-08 finished in 1343 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)&&F(p3)))'
Support contains 9 out of 201 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 201/201 places, 2600/2600 transitions.
Applied a total of 0 rules in 155 ms. Remains 201 /201 variables (removed 0) and now considering 2600/2600 (removed 0) transitions.
[2026-05-24 16:01:52] [INFO ] Flow matrix only has 200 transitions (discarded 2400 similar events)
[2026-05-24 16:01:52] [INFO ] Invariant cache hit.
[2026-05-24 16:01:53] [INFO ] Implicit Places using invariants in 856 ms returned [168]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 860 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 200/201 places, 2600/2600 transitions.
Applied a total of 0 rules in 154 ms. Remains 200 /200 variables (removed 0) and now considering 2600/2600 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1170 ms. Remains : 200/201 places, 2600/2600 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)&&F(p3)))'
Stuttering acceptance computed with spot in 256 ms :[(OR (NOT p1) (NOT p2) (NOT p3)), (NOT p0), (NOT p1), (NOT p2), (NOT p3)]
Running random walk in product with property : Dekker-PT-050-LTLFireability-09
Product exploration explored 100000 steps with 949 reset in 1734 ms.
Stack based approach found an accepted trace after 64 steps with 1 reset with depth 42 and stack size 42 in 2 ms.
FORMULA Dekker-PT-050-LTLFireability-09 FALSE TECHNIQUES STACK_TEST
Treatment of property Dekker-PT-050-LTLFireability-09 finished in 3211 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)&&F(G(p1)))))'
Support contains 6 out of 201 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 201/201 places, 2600/2600 transitions.
Applied a total of 0 rules in 86 ms. Remains 201 /201 variables (removed 0) and now considering 2600/2600 (removed 0) transitions.
[2026-05-24 16:01:55] [INFO ] Flow matrix only has 200 transitions (discarded 2400 similar events)
[2026-05-24 16:01:55] [INFO ] Invariant cache hit.
[2026-05-24 16:01:56] [INFO ] Implicit Places using invariants in 684 ms returned [168]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 688 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 200/201 places, 2600/2600 transitions.
Applied a total of 0 rules in 153 ms. Remains 200 /200 variables (removed 0) and now considering 2600/2600 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 928 ms. Remains : 200/201 places, 2600/2600 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)&&F(G(p1)))))'
Stuttering acceptance computed with spot in 137 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : Dekker-PT-050-LTLFireability-11
Product exploration explored 100000 steps with 1005 reset in 1722 ms.
Stack based approach found an accepted trace after 9 steps with 0 reset with depth 10 and stack size 10 in 1 ms.
FORMULA Dekker-PT-050-LTLFireability-11 FALSE TECHNIQUES STACK_TEST
Treatment of property Dekker-PT-050-LTLFireability-11 finished in 2829 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(((F(p0) U X(p1)) U (G((F(p0) U X(p1)))||(!p2&&(F(p0) U X(p1))&&X(F(!p3))))))))'
Support contains 11 out of 201 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 201/201 places, 2600/2600 transitions.
Applied a total of 0 rules in 14 ms. Remains 201 /201 variables (removed 0) and now considering 2600/2600 (removed 0) transitions.
[2026-05-24 16:01:58] [INFO ] Flow matrix only has 200 transitions (discarded 2400 similar events)
[2026-05-24 16:01:58] [INFO ] Invariant cache hit.
[2026-05-24 16:01:58] [INFO ] Implicit Places using invariants in 564 ms returned []
[2026-05-24 16:01:58] [INFO ] Flow matrix only has 200 transitions (discarded 2400 similar events)
[2026-05-24 16:01:58] [INFO ] Invariant cache hit.
[2026-05-24 16:01:59] [INFO ] State equation strengthened by 50 read => feed constraints.
[2026-05-24 16:01:59] [INFO ] Implicit Places using invariants and state equation in 820 ms returned []
Implicit Place search using SMT with State Equation took 1386 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1401 ms. Remains : 201/201 places, 2600/2600 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(((F(p0) U X(p1)) U (G((F(p0) U X(p1)))||(!p2&&(F(p0) U X(p1))&&X(F(!p3))))))))'
Stuttering acceptance computed with spot in 420 ms :[(NOT p1), (NOT p1), (AND (NOT p1) p3), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) p3 (NOT p1)), (AND (NOT p1) p3), (AND (NOT p0) p3 (NOT p1)), false]
Running random walk in product with property : Dekker-PT-050-LTLFireability-12
Product exploration explored 100000 steps with 15444 reset in 1787 ms.
Stack based approach found an accepted trace after 340 steps with 55 reset with depth 5 and stack size 5 in 7 ms.
FORMULA Dekker-PT-050-LTLFireability-12 FALSE TECHNIQUES STACK_TEST
Treatment of property Dekker-PT-050-LTLFireability-12 finished in 3695 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 4 out of 201 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 201/201 places, 2600/2600 transitions.
Applied a total of 0 rules in 79 ms. Remains 201 /201 variables (removed 0) and now considering 2600/2600 (removed 0) transitions.
[2026-05-24 16:02:02] [INFO ] Flow matrix only has 200 transitions (discarded 2400 similar events)
[2026-05-24 16:02:02] [INFO ] Invariant cache hit.
[2026-05-24 16:02:02] [INFO ] Implicit Places using invariants in 681 ms returned [168]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 685 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 200/201 places, 2600/2600 transitions.
Applied a total of 0 rules in 131 ms. Remains 200 /200 variables (removed 0) and now considering 2600/2600 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 898 ms. Remains : 200/201 places, 2600/2600 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 98 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Dekker-PT-050-LTLFireability-13
Product exploration explored 100000 steps with 540 reset in 1701 ms.
Stack based approach found an accepted trace after 490 steps with 1 reset with depth 228 and stack size 219 in 8 ms.
FORMULA Dekker-PT-050-LTLFireability-13 FALSE TECHNIQUES STACK_TEST
Treatment of property Dekker-PT-050-LTLFireability-13 finished in 2748 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 201 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 201/201 places, 2600/2600 transitions.
Applied a total of 0 rules in 77 ms. Remains 201 /201 variables (removed 0) and now considering 2600/2600 (removed 0) transitions.
[2026-05-24 16:02:04] [INFO ] Flow matrix only has 200 transitions (discarded 2400 similar events)
[2026-05-24 16:02:04] [INFO ] Invariant cache hit.
[2026-05-24 16:02:05] [INFO ] Implicit Places using invariants in 807 ms returned [168]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 811 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 200/201 places, 2600/2600 transitions.
Applied a total of 0 rules in 130 ms. Remains 200 /200 variables (removed 0) and now considering 2600/2600 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1018 ms. Remains : 200/201 places, 2600/2600 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 49 ms :[(NOT p0)]
Running random walk in product with property : Dekker-PT-050-LTLFireability-14
Product exploration explored 100000 steps with 0 reset in 1828 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-050-LTLFireability-14 FALSE TECHNIQUES STACK_TEST
Treatment of property Dekker-PT-050-LTLFireability-14 finished in 2932 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G((p0||X(p1)))||F(G(p2))))'
Support contains 9 out of 201 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 201/201 places, 2600/2600 transitions.
Applied a total of 0 rules in 15 ms. Remains 201 /201 variables (removed 0) and now considering 2600/2600 (removed 0) transitions.
[2026-05-24 16:02:07] [INFO ] Flow matrix only has 200 transitions (discarded 2400 similar events)
[2026-05-24 16:02:07] [INFO ] Invariant cache hit.
[2026-05-24 16:02:08] [INFO ] Implicit Places using invariants in 712 ms returned [168]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 717 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 200/201 places, 2600/2600 transitions.
Applied a total of 0 rules in 21 ms. Remains 200 /200 variables (removed 0) and now considering 2600/2600 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 754 ms. Remains : 200/201 places, 2600/2600 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G((p0||X(p1)))||F(G(p2))))'
Stuttering acceptance computed with spot in 157 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2)]
Running random walk in product with property : Dekker-PT-050-LTLFireability-15
Product exploration explored 100000 steps with 0 reset in 1713 ms.
Stack based approach found an accepted trace after 782 steps with 0 reset with depth 783 and stack size 771 in 13 ms.
FORMULA Dekker-PT-050-LTLFireability-15 FALSE TECHNIQUES STACK_TEST
Treatment of property Dekker-PT-050-LTLFireability-15 finished in 2687 ms.
All properties solved by simple procedures.
Total runtime 98235 ms.

BK_STOP 1779638530341

--------------------
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-050"
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-050, 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-177946993600276"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Dekker-PT-050.tgz
mv Dekker-PT-050 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 ;