About the Execution of ITS-Tools for LastZero-COL-N24
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 7464.560 | 700928.00 | 832545.00 | 1449.60 | FFFTTFFFFFFTFTFF | normal |
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.r354-tall-178024402800068.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 LastZero-COL-N24, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r354-tall-178024402800068
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 488K
-rw-r--r-- 1 mcc users 8.5K May 27 10:27 CTLCardinality.txt
-rw-r--r-- 1 mcc users 89K May 27 10:27 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.4K May 27 10:27 CTLFireability.txt
-rw-r--r-- 1 mcc users 60K May 27 10:27 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K May 27 10:55 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 27 10:55 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 27 10:55 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 27 10:55 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 May 26 18:17 NewModel
-rw-r--r-- 1 mcc users 11K May 27 10:27 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 110K May 27 10:27 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.4K May 27 10:27 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 60K May 27 10:27 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 27 10:55 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 27 10:55 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 26 18:17 equiv_pt
-rw-r--r-- 1 mcc users 4 May 26 18:17 instance
-rw-r--r-- 1 mcc users 5 May 26 18:17 iscolored
-rw-r--r-- 1 mcc users 44K Jun 10 17:28 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 LastZero-COL-N24-LTLFireability-00
FORMULA_NAME LastZero-COL-N24-LTLFireability-01
FORMULA_NAME LastZero-COL-N24-LTLFireability-02
FORMULA_NAME LastZero-COL-N24-LTLFireability-03
FORMULA_NAME LastZero-COL-N24-LTLFireability-04
FORMULA_NAME LastZero-COL-N24-LTLFireability-05
FORMULA_NAME LastZero-COL-N24-LTLFireability-06
FORMULA_NAME LastZero-COL-N24-LTLFireability-07
FORMULA_NAME LastZero-COL-N24-LTLFireability-08
FORMULA_NAME LastZero-COL-N24-LTLFireability-09
FORMULA_NAME LastZero-COL-N24-LTLFireability-10
FORMULA_NAME LastZero-COL-N24-LTLFireability-11
FORMULA_NAME LastZero-COL-N24-LTLFireability-12
FORMULA_NAME LastZero-COL-N24-LTLFireability-13
FORMULA_NAME LastZero-COL-N24-LTLFireability-14
FORMULA_NAME LastZero-COL-N24-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1781120216204
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=LastZero-COL-N24
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
LTLFireability COL
Running Version 202604301425
[2026-06-10 19:36:57] [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]
[2026-06-10 19:36:57] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-06-10 19:36:57] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2026-06-10 19:36:57] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-06-10 19:36:57] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 524 ms
[2026-06-10 19:36:57] [INFO ] Imported 4 HL places and 3 HL transitions for a total of 1300 PT places and 16875.0 transition bindings in 17 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 10 ms.
Working with output stream class java.io.PrintStream
[2026-06-10 19:36:58] [INFO ] Built PT skeleton of HLPN with 4 places and 3 transitions 11 arcs in 8 ms.
[2026-06-10 19:36:58] [INFO ] Skeletonized 8 HLPN properties in 1 ms. Removed 8 properties that had guard overlaps.
Computed a total of 4 stabilizing places and 2 stable transitions
Remains 3 properties that can be checked using skeleton over-approximation.
Reduce places removed 2 places and 0 transitions.
FORMULA LastZero-COL-N24-LTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 4 steps (0 resets) in 5 ms. (0 steps per ms) remains 0/1 properties
[2026-06-10 19:36:58] [INFO ] Flatten gal took : 12 ms
[2026-06-10 19:36:58] [INFO ] Flatten gal took : 1 ms
Domain [ID(25), ID(25)] of place array breaks symmetries in sort ID
[2026-06-10 19:36:58] [INFO ] Unfolded HLPN to a Petri net with 1300 places and 16777 transitions 51483 arcs in 160 ms.
[2026-06-10 19:36:58] [INFO ] Unfolded 15 HLPN properties in 14 ms.
Initial state reduction rules removed 2 formulas.
Deduced a syphon composed of 626 places in 55 ms
Reduce places removed 626 places and 10977 transitions.
Reduce places removed 1 places and 0 transitions.
FORMULA LastZero-COL-N24-LTLFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-COL-N24-LTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 672 out of 673 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 673/673 places, 5800/5800 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 672 transition count 5800
Applied a total of 1 rules in 30 ms. Remains 672 /673 variables (removed 1) and now considering 5800/5800 (removed 0) transitions.
[2026-06-10 19:37:07] [INFO ] Flow matrix only has 5524 transitions (discarded 276 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16243224674720417183.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14544809988183568814.kers'
[2026-06-10 19:37:07] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16243224674720417183.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14544809988183568814.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 2 ms.
// Phase 1: matrix 5524 rows 671 cols 15646 entries
Finished phase 1 with 648 SingleSign rule and 0 generalized
[2026-06-10 19:37:07] [INFO ] Computed 24 invariants in 16 ms
Computed 24 P flows in 17 ms.
Exported basis to /tmp/petrispot-output-14544809988183568814.kers
Total runtime 20 ms.
[2026-06-10 19:37:08] [INFO ] Implicit Places using invariants in 331 ms returned []
[2026-06-10 19:37:08] [INFO ] Flow matrix only has 5524 transitions (discarded 276 similar events)
[2026-06-10 19:37:08] [INFO ] Invariant cache hit.
[2026-06-10 19:37:09] [INFO ] State equation strengthened by 600 read => feed constraints.
[2026-06-10 19:37:09] [INFO ] Implicit Places using invariants and state equation in 972 ms returned []
Implicit Place search using SMT with State Equation took 1338 ms to find 0 implicit places.
Running 5776 sub problems to find dead transitions.
[2026-06-10 19:37:09] [INFO ] Flow matrix only has 5524 transitions (discarded 276 similar events)
[2026-06-10 19:37:09] [INFO ] Invariant cache hit.
[2026-06-10 19:37:09] [INFO ] State equation strengthened by 600 read => feed constraints.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/671 variables, 24/24 constraints. Problems are: Problem set: 0 solved, 5776 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 671/6196 variables, and 24 constraints, problems are : Problem set: 0 solved, 5776 unsolved in 30118 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 0/672 constraints, ReadFeed: 0/600 constraints, PredecessorRefiner: 5776/5776 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5776 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/671 variables, 24/24 constraints. Problems are: Problem set: 0 solved, 5776 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 671/6196 variables, and 24 constraints, problems are : Problem set: 0 solved, 5776 unsolved in 30087 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 0/672 constraints, ReadFeed: 0/600 constraints, PredecessorRefiner: 0/5776 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 64484ms problems are : Problem set: 0 solved, 5776 unsolved
Search for dead transitions found 0 dead transitions in 64525ms
Starting structural reductions in LTL mode, iteration 1 : 672/673 places, 5800/5800 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 65943 ms. Remains : 672/673 places, 5800/5800 transitions.
Starting structural reductions in LTL mode, iteration 0 : 672/672 places, 5800/5800 transitions.
Applied a total of 0 rules in 14 ms. Remains 672 /672 variables (removed 0) and now considering 5800/5800 (removed 0) transitions.
[2026-06-10 19:38:13] [INFO ] Flow matrix only has 5524 transitions (discarded 276 similar events)
[2026-06-10 19:38:13] [INFO ] Invariant cache hit.
[2026-06-10 19:38:13] [INFO ] Implicit Places using invariants in 93 ms returned []
[2026-06-10 19:38:13] [INFO ] Flow matrix only has 5524 transitions (discarded 276 similar events)
[2026-06-10 19:38:13] [INFO ] Invariant cache hit.
[2026-06-10 19:38:14] [INFO ] State equation strengthened by 600 read => feed constraints.
[2026-06-10 19:38:14] [INFO ] Implicit Places using invariants and state equation in 955 ms returned []
Implicit Place search using SMT with State Equation took 1050 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1069 ms. Remains : 672/672 places, 5800/5800 transitions.
Support contains 672 out of 672 places after structural reductions.
[2026-06-10 19:38:15] [INFO ] Flatten gal took : 447 ms
[2026-06-10 19:38:16] [INFO ] Flatten gal took : 393 ms
[2026-06-10 19:38:17] [INFO ] Input system was already deterministic with 5800 transitions.
Reduction of identical properties reduced properties to check from 9 to 5
RANDOM walk for 189 steps (0 resets) in 247 ms. (0 steps per ms) remains 0/5 properties
FORMULA LastZero-COL-N24-LTLFireability-06 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 672 stabilizing places and 5800 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 672 transition count 5800
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
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 624 out of 672 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 672/672 places, 5800/5800 transitions.
Applied a total of 0 rules in 105 ms. Remains 672 /672 variables (removed 0) and now considering 5800/5800 (removed 0) transitions.
[2026-06-10 19:38:22] [INFO ] Flow matrix only has 5524 transitions (discarded 276 similar events)
[2026-06-10 19:38:22] [INFO ] Invariant cache hit.
[2026-06-10 19:38:22] [INFO ] Implicit Places using invariants in 141 ms returned []
[2026-06-10 19:38:22] [INFO ] Flow matrix only has 5524 transitions (discarded 276 similar events)
[2026-06-10 19:38:22] [INFO ] Invariant cache hit.
[2026-06-10 19:38:23] [INFO ] State equation strengthened by 600 read => feed constraints.
[2026-06-10 19:38:25] [INFO ] Implicit Places using invariants and state equation in 2723 ms returned []
Implicit Place search using SMT with State Equation took 2867 ms to find 0 implicit places.
[2026-06-10 19:38:25] [INFO ] Redundant transitions in 490 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 3469 ms. Remains : 672/672 places, 5800/5800 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 169 ms :[(NOT p0)]
Running random walk in product with property : LastZero-COL-N24-LTLFireability-00
Stuttering criterion allowed to conclude after 72 steps with 0 reset in 38 ms.
FORMULA LastZero-COL-N24-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property LastZero-COL-N24-LTLFireability-00 finished in 3830 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 324 out of 672 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 672/672 places, 5800/5800 transitions.
Reduce places removed 1 places and 1 transitions.
Applied a total of 0 rules in 116 ms. Remains 671 /672 variables (removed 1) and now considering 5799/5800 (removed 1) transitions.
[2026-06-10 19:38:26] [INFO ] Flow matrix only has 5523 transitions (discarded 276 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-18221758140072788358.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1318055734970117772.kers'
[2026-06-10 19:38:26] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-18221758140072788358.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1318055734970117772.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 2 ms.
// Phase 1: matrix 5523 rows 670 cols 15644 entries
Finished phase 1 with 647 SingleSign rule and 0 generalized
[2026-06-10 19:38:26] [INFO ] Computed 24 invariants in 14 ms
Computed 24 P flows in 15 ms.
Exported basis to /tmp/petrispot-output-1318055734970117772.kers
Total runtime 20 ms.
[2026-06-10 19:38:26] [INFO ] Implicit Places using invariants in 413 ms returned []
[2026-06-10 19:38:26] [INFO ] Flow matrix only has 5523 transitions (discarded 276 similar events)
[2026-06-10 19:38:26] [INFO ] Invariant cache hit.
[2026-06-10 19:38:27] [INFO ] State equation strengthened by 600 read => feed constraints.
[2026-06-10 19:38:49] [INFO ] Implicit Places using invariants and state equation in 22733 ms returned [299]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 23169 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 670/672 places, 5799/5800 transitions.
Applied a total of 0 rules in 110 ms. Remains 670 /670 variables (removed 0) and now considering 5799/5799 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 23403 ms. Remains : 670/672 places, 5799/5800 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Stuttering acceptance computed with spot in 44 ms :[(NOT p0)]
Running random walk in product with property : LastZero-COL-N24-LTLFireability-01
Stuttering criterion allowed to conclude after 71 steps with 0 reset in 4 ms.
FORMULA LastZero-COL-N24-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property LastZero-COL-N24-LTLFireability-01 finished in 23496 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 324 out of 672 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 672/672 places, 5800/5800 transitions.
Reduce places removed 1 places and 1 transitions.
Applied a total of 0 rules in 57 ms. Remains 671 /672 variables (removed 1) and now considering 5799/5800 (removed 1) transitions.
[2026-06-10 19:38:49] [INFO ] Flow matrix only has 5523 transitions (discarded 276 similar events)
[2026-06-10 19:38:49] [INFO ] Invariant cache hit.
[2026-06-10 19:38:49] [INFO ] Implicit Places using invariants in 298 ms returned []
[2026-06-10 19:38:49] [INFO ] Flow matrix only has 5523 transitions (discarded 276 similar events)
[2026-06-10 19:38:49] [INFO ] Invariant cache hit.
[2026-06-10 19:38:50] [INFO ] State equation strengthened by 600 read => feed constraints.
[2026-06-10 19:39:12] [INFO ] Implicit Places using invariants and state equation in 22261 ms returned [299]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 22566 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 670/672 places, 5799/5800 transitions.
Applied a total of 0 rules in 45 ms. Remains 670 /670 variables (removed 0) and now considering 5799/5799 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 22668 ms. Remains : 670/672 places, 5799/5800 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 65 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : LastZero-COL-N24-LTLFireability-02
Stuttering criterion allowed to conclude after 85684 steps with 2715 reset in 1993 ms.
FORMULA LastZero-COL-N24-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property LastZero-COL-N24-LTLFireability-02 finished in 24782 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((G((F(p0)&&F(!p1)))||(F((F(p0)&&X(X(!p1))))&&p2)))))'
Support contains 672 out of 672 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 672/672 places, 5800/5800 transitions.
Applied a total of 0 rules in 10 ms. Remains 672 /672 variables (removed 0) and now considering 5800/5800 (removed 0) transitions.
[2026-06-10 19:39:14] [INFO ] Flow matrix only has 5524 transitions (discarded 276 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6144353205299631739.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2062392461082910143.kers'
[2026-06-10 19:39:14] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6144353205299631739.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2062392461082910143.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 2 ms.
// Phase 1: matrix 5524 rows 671 cols 15646 entries
Finished phase 1 with 648 SingleSign rule and 0 generalized
[2026-06-10 19:39:14] [INFO ] Computed 24 invariants in 21 ms
Computed 24 P flows in 21 ms.
Exported basis to /tmp/petrispot-output-2062392461082910143.kers
Total runtime 31 ms.
[2026-06-10 19:39:14] [INFO ] Implicit Places using invariants in 134 ms returned []
[2026-06-10 19:39:14] [INFO ] Flow matrix only has 5524 transitions (discarded 276 similar events)
[2026-06-10 19:39:14] [INFO ] Invariant cache hit.
[2026-06-10 19:39:15] [INFO ] State equation strengthened by 600 read => feed constraints.
[2026-06-10 19:39:15] [INFO ] Implicit Places using invariants and state equation in 860 ms returned []
Implicit Place search using SMT with State Equation took 994 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1006 ms. Remains : 672/672 places, 5800/5800 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((G((F(p0)&&F(p1)))||(F((F(p0)&&X(X(p1))))&&p2)))))'
Stuttering acceptance computed with spot in 292 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : LastZero-COL-N24-LTLFireability-03
Product exploration explored 100000 steps with 3252 reset in 4686 ms.
Product exploration explored 100000 steps with 3184 reset in 4330 ms.
Computed a total of 672 stabilizing places and 5800 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 672 transition count 5800
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 7 factoid took 37 ms. Proved property starting from automaton with 7 states, 14 edges and 3 AP (stutter sensitive
Knowledge-based reduction took 4093 ms.
FORMULA LastZero-COL-N24-LTLFireability-03 TRUE TECHNIQUES KNOWLEDGE
Treatment of property LastZero-COL-N24-LTLFireability-03 finished in 14685 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(p0)))'
Support contains 324 out of 672 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 672/672 places, 5800/5800 transitions.
Applied a total of 0 rules in 11 ms. Remains 672 /672 variables (removed 0) and now considering 5800/5800 (removed 0) transitions.
[2026-06-10 19:39:29] [INFO ] Flow matrix only has 5524 transitions (discarded 276 similar events)
[2026-06-10 19:39:29] [INFO ] Invariant cache hit.
[2026-06-10 19:39:29] [INFO ] Implicit Places using invariants in 313 ms returned []
[2026-06-10 19:39:29] [INFO ] Flow matrix only has 5524 transitions (discarded 276 similar events)
[2026-06-10 19:39:29] [INFO ] Invariant cache hit.
[2026-06-10 19:39:30] [INFO ] State equation strengthened by 600 read => feed constraints.
[2026-06-10 19:39:45] [INFO ] Implicit Places using invariants and state equation in 16262 ms returned [299]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 16595 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 671/672 places, 5800/5800 transitions.
Applied a total of 0 rules in 12 ms. Remains 671 /671 variables (removed 0) and now considering 5800/5800 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 16618 ms. Remains : 671/672 places, 5800/5800 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(p0)))'
Stuttering acceptance computed with spot in 68 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : LastZero-COL-N24-LTLFireability-04
Product exploration explored 100000 steps with 3172 reset in 2056 ms.
Product exploration explored 100000 steps with 3148 reset in 2066 ms.
Computed a total of 671 stabilizing places and 5800 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 671 transition count 5800
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge based reduction with 3 factoid took 82 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
RANDOM walk for 96 steps (0 resets) in 10 ms. (8 steps per ms) remains 0/1 properties
Knowledge based reduction with 3 factoid took 68 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 66 ms :[(NOT p0), (NOT p0)]
[2026-06-10 19:39:50] [INFO ] Flow matrix only has 5524 transitions (discarded 276 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12540863670058775908.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4867815470810618925.kers'
[2026-06-10 19:39:52] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12540863670058775908.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4867815470810618925.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 2 ms.
// Phase 1: matrix 5524 rows 670 cols 15622 entries
Finished phase 1 with 648 SingleSign rule and 0 generalized
[2026-06-10 19:39:52] [INFO ] Computed 23 invariants in 15 ms
Computed 23 P flows in 16 ms.
Exported basis to /tmp/petrispot-output-4867815470810618925.kers
Total runtime 25 ms.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:308)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:834)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testEGap(DeadlockTester.java:590)
at fr.lip6.move.gal.application.solver.ltl.knowledge.KnowledgeFacts.computeEGknowledge(KnowledgeFacts.java:240)
at fr.lip6.move.gal.application.solver.ltl.knowledge.KnowledgeOrchestrator.applyKnowledgeBasedReductions(KnowledgeOrchestrator.java:52)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:248)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:217)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:66)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:849)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
[2026-06-10 19:40:07] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")... while checking expression EG (NOT p0)
Could not prove EG (NOT p0)
Knowledge-based reduction took 17245 ms.
Stuttering acceptance computed with spot in 71 ms :[(NOT p0), (NOT p0)]
Support contains 324 out of 671 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 671/671 places, 5800/5800 transitions.
Reduce places removed 1 places and 1 transitions.
Applied a total of 0 rules in 44 ms. Remains 670 /671 variables (removed 1) and now considering 5799/5800 (removed 1) transitions.
[2026-06-10 19:40:07] [INFO ] Flow matrix only has 5523 transitions (discarded 276 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13236981911117747128.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10695353103132974930.kers'
[2026-06-10 19:40:07] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13236981911117747128.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10695353103132974930.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 2 ms.
// Phase 1: matrix 5523 rows 669 cols 15620 entries
Finished phase 1 with 647 SingleSign rule and 0 generalized
[2026-06-10 19:40:07] [INFO ] Computed 23 invariants in 18 ms
Computed 23 P flows in 19 ms.
Exported basis to /tmp/petrispot-output-10695353103132974930.kers
Total runtime 23 ms.
[2026-06-10 19:40:07] [INFO ] Implicit Places using invariants in 322 ms returned []
[2026-06-10 19:40:07] [INFO ] Flow matrix only has 5523 transitions (discarded 276 similar events)
[2026-06-10 19:40:07] [INFO ] Invariant cache hit.
[2026-06-10 19:40:08] [INFO ] State equation strengthened by 600 read => feed constraints.
[2026-06-10 19:40:25] [INFO ] Implicit Places using invariants and state equation in 18200 ms returned []
Implicit Place search using SMT with State Equation took 18525 ms to find 0 implicit places.
[2026-06-10 19:40:26] [INFO ] Redundant transitions in 472 ms returned []
Running 5775 sub problems to find dead transitions.
[2026-06-10 19:40:26] [INFO ] Flow matrix only has 5523 transitions (discarded 276 similar events)
[2026-06-10 19:40:26] [INFO ] Invariant cache hit.
[2026-06-10 19:40:26] [INFO ] State equation strengthened by 600 read => feed constraints.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/669 variables, 22/22 constraints. Problems are: Problem set: 0 solved, 5775 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 669/6193 variables, and 22 constraints, problems are : Problem set: 0 solved, 5775 unsolved in 30089 ms.
Refiners :[Positive P Invariants (semi-flows): 22/23 constraints, State Equation: 0/670 constraints, ReadFeed: 0/600 constraints, PredecessorRefiner: 5775/5775 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5775 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/669 variables, 22/22 constraints. Problems are: Problem set: 0 solved, 5775 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 669/6193 variables, and 22 constraints, problems are : Problem set: 0 solved, 5775 unsolved in 30080 ms.
Refiners :[Positive P Invariants (semi-flows): 22/23 constraints, State Equation: 0/670 constraints, ReadFeed: 0/600 constraints, PredecessorRefiner: 0/5775 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 64275ms problems are : Problem set: 0 solved, 5775 unsolved
Search for dead transitions found 0 dead transitions in 64289ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 83352 ms. Remains : 670/671 places, 5799/5800 transitions.
Computed a total of 670 stabilizing places and 5799 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 670 transition count 5799
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge based reduction with 3 factoid took 81 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
RANDOM walk for 116 steps (0 resets) in 9 ms. (11 steps per ms) remains 0/1 properties
Knowledge based reduction with 3 factoid took 89 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 56 ms :[(NOT p0), (NOT p0)]
[2026-06-10 19:41:31] [INFO ] Flow matrix only has 5523 transitions (discarded 276 similar events)
[2026-06-10 19:41:32] [INFO ] Invariant cache hit.
Could not prove EG (NOT p0)
Knowledge-based reduction took 17069 ms.
Stuttering acceptance computed with spot in 77 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 86 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 3172 reset in 2099 ms.
Product exploration explored 100000 steps with 3207 reset in 2206 ms.
Built C files in :
/tmp/ltsmin12799198393275435297
[2026-06-10 19:41:52] [INFO ] Too many transitions (5799) to apply POR reductions. Disabling POR matrices.
[2026-06-10 19:41:52] [INFO ] Built C files in 73ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin12799198393275435297
Running compilation step : cd /tmp/ltsmin12799198393275435297;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin12799198393275435297;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin12799198393275435297;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:94)
at java.base/java.lang.Thread.run(Thread.java:1583)
Support contains 324 out of 670 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 670/670 places, 5799/5799 transitions.
Applied a total of 0 rules in 33 ms. Remains 670 /670 variables (removed 0) and now considering 5799/5799 (removed 0) transitions.
[2026-06-10 19:41:55] [INFO ] Flow matrix only has 5523 transitions (discarded 276 similar events)
[2026-06-10 19:41:55] [INFO ] Invariant cache hit.
[2026-06-10 19:41:55] [INFO ] Implicit Places using invariants in 386 ms returned []
[2026-06-10 19:41:55] [INFO ] Flow matrix only has 5523 transitions (discarded 276 similar events)
[2026-06-10 19:41:55] [INFO ] Invariant cache hit.
[2026-06-10 19:41:56] [INFO ] State equation strengthened by 600 read => feed constraints.
[2026-06-10 19:42:14] [INFO ] Implicit Places using invariants and state equation in 19116 ms returned []
Implicit Place search using SMT with State Equation took 19506 ms to find 0 implicit places.
[2026-06-10 19:42:15] [INFO ] Redundant transitions in 410 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 19959 ms. Remains : 670/670 places, 5799/5799 transitions.
Built C files in :
/tmp/ltsmin6852058998801305959
[2026-06-10 19:42:15] [INFO ] Too many transitions (5799) to apply POR reductions. Disabling POR matrices.
[2026-06-10 19:42:15] [INFO ] Built C files in 63ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin6852058998801305959
Running compilation step : cd /tmp/ltsmin6852058998801305959;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin6852058998801305959;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin6852058998801305959;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:94)
at java.base/java.lang.Thread.run(Thread.java:1583)
[2026-06-10 19:42:18] [INFO ] Flatten gal took : 105 ms
[2026-06-10 19:42:18] [INFO ] Flatten gal took : 107 ms
[2026-06-10 19:42:18] [INFO ] Time to serialize gal into /tmp/LTL4130319335722031123.gal : 42 ms
[2026-06-10 19:42:18] [INFO ] Time to serialize properties into /tmp/LTL13437022019932003624.prop : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL4130319335722031123.gal' '-t' 'CGAL' '-hoa' '/tmp/aut4113725502064485944.hoa' '-atoms' '/tmp/LTL13437022019932003624.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...318
Loading property file /tmp/LTL13437022019932003624.prop.
Loaded 1 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut4113725502064485944.hoa
Detected timeout of ITS tools.
[2026-06-10 19:42:34] [INFO ] Flatten gal took : 98 ms
[2026-06-10 19:42:34] [INFO ] Flatten gal took : 98 ms
[2026-06-10 19:42:34] [INFO ] Time to serialize gal into /tmp/LTL5883467807428792066.gal : 29 ms
[2026-06-10 19:42:34] [INFO ] Time to serialize properties into /tmp/LTL15899926156477081172.ltl : 4 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL5883467807428792066.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL15899926156477081172.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...276
Read 1 LTL properties
Checking formula 0 : !((X(F("(((((((((((array_580>=1)&&(lastzero_23>=1))||((array_359>=1)&&(lastzero_14>=1)))||(((array_252>=1)&&(lastzero_10>=1))||((array...11379
Formula 0 simplified : XG!"(((((((((((array_580>=1)&&(lastzero_23>=1))||((array_359>=1)&&(lastzero_14>=1)))||(((array_252>=1)&&(lastzero_10>=1))||((array_5...11373
Detected timeout of ITS tools.
[2026-06-10 19:42:49] [INFO ] Flatten gal took : 101 ms
[2026-06-10 19:42:49] [INFO ] Applying decomposition
[2026-06-10 19:42:49] [INFO ] Flatten gal took : 102 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph13429043118957989009.txt' '-o' '/tmp/graph13429043118957989009.bin' '-w' '/tmp/graph13429043118957989009.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph13429043118957989009.bin' '-l' '-1' '-v' '-w' '/tmp/graph13429043118957989009.weights' '-q' '0' '-e' '0.001'
[2026-06-10 19:42:50] [INFO ] Decomposing Gal with order
[2026-06-10 19:42:50] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-06-10 19:42:50] [INFO ] Removed a total of 9917 redundant transitions.
[2026-06-10 19:42:50] [INFO ] Flatten gal took : 442 ms
[2026-06-10 19:42:50] [INFO ] Fuse similar labels procedure discarded/fused a total of 75 labels/synchronizations in 59 ms.
[2026-06-10 19:42:50] [INFO ] Time to serialize gal into /tmp/LTL18016393880779663209.gal : 42 ms
[2026-06-10 19:42:50] [INFO ] Time to serialize properties into /tmp/LTL3248948380509083781.ltl : 3 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL18016393880779663209.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL3248948380509083781.ltl' '-c' '-stutter-deadlock'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...255
Read 1 LTL properties
Checking formula 0 : !((X(F("(((((((((((i17.u128.array_580>=1)&&(i5.u162.lastzero_23>=1))||((i11.u212.array_359>=1)&&(i5.u162.lastzero_14>=1)))||(((i0.i1.u...16458
Formula 0 simplified : XG!"(((((((((((i17.u128.array_580>=1)&&(i5.u162.lastzero_23>=1))||((i11.u212.array_359>=1)&&(i5.u162.lastzero_14>=1)))||(((i0.i1.u25...16452
Detected timeout of ITS tools.
Treatment of property LastZero-COL-N24-LTLFireability-04 finished in 217057 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)||G(p1)||G(p2)))'
Support contains 371 out of 672 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 672/672 places, 5800/5800 transitions.
Applied a total of 0 rules in 36 ms. Remains 672 /672 variables (removed 0) and now considering 5800/5800 (removed 0) transitions.
[2026-06-10 19:43:06] [INFO ] Flow matrix only has 5524 transitions (discarded 276 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1557989638180268505.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17900856512919117456.kers'
[2026-06-10 19:43:06] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1557989638180268505.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17900856512919117456.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 1 ms.
// Phase 1: matrix 5524 rows 671 cols 15646 entries
Finished phase 1 with 648 SingleSign rule and 0 generalized
[2026-06-10 19:43:06] [INFO ] Computed 24 invariants in 12 ms
Computed 24 P flows in 12 ms.
Exported basis to /tmp/petrispot-output-17900856512919117456.kers
Total runtime 16 ms.
[2026-06-10 19:43:06] [INFO ] Implicit Places using invariants in 404 ms returned []
[2026-06-10 19:43:06] [INFO ] Flow matrix only has 5524 transitions (discarded 276 similar events)
[2026-06-10 19:43:06] [INFO ] Invariant cache hit.
[2026-06-10 19:43:07] [INFO ] State equation strengthened by 600 read => feed constraints.
[2026-06-10 19:43:27] [INFO ] Implicit Places using invariants and state equation in 21031 ms returned [299]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 21445 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 671/672 places, 5800/5800 transitions.
Applied a total of 0 rules in 32 ms. Remains 671 /671 variables (removed 0) and now considering 5800/5800 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 21513 ms. Remains : 671/672 places, 5800/5800 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)||G(p1)||G(p2)))'
Stuttering acceptance computed with spot in 231 ms :[true, (NOT p2), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1) (NOT p0)), (NOT p0), (NOT p1), (AND (NOT p2) (NOT p0)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : LastZero-COL-N24-LTLFireability-08
Entered a terminal (fully accepting) state of product in 28 steps with 0 reset in 26 ms.
FORMULA LastZero-COL-N24-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property LastZero-COL-N24-LTLFireability-08 finished in 21822 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)||(X(X(X(p1)))&&p2))))))'
Support contains 371 out of 672 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 672/672 places, 5800/5800 transitions.
Applied a total of 0 rules in 11 ms. Remains 672 /672 variables (removed 0) and now considering 5800/5800 (removed 0) transitions.
[2026-06-10 19:43:27] [INFO ] Flow matrix only has 5524 transitions (discarded 276 similar events)
[2026-06-10 19:43:27] [INFO ] Invariant cache hit.
[2026-06-10 19:43:28] [INFO ] Implicit Places using invariants in 272 ms returned []
[2026-06-10 19:43:28] [INFO ] Flow matrix only has 5524 transitions (discarded 276 similar events)
[2026-06-10 19:43:28] [INFO ] Invariant cache hit.
[2026-06-10 19:43:28] [INFO ] State equation strengthened by 600 read => feed constraints.
[2026-06-10 19:43:48] [INFO ] Implicit Places using invariants and state equation in 20394 ms returned [299]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 20673 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 671/672 places, 5800/5800 transitions.
Applied a total of 0 rules in 14 ms. Remains 671 /671 variables (removed 0) and now considering 5800/5800 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 20698 ms. Remains : 671/672 places, 5800/5800 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)||(X(X(X(p1)))&&p2))))))'
Stuttering acceptance computed with spot in 342 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Running random walk in product with property : LastZero-COL-N24-LTLFireability-10
Stuttering criterion allowed to conclude after 36610 steps with 1157 reset in 2697 ms.
FORMULA LastZero-COL-N24-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property LastZero-COL-N24-LTLFireability-10 finished in 23800 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(p0))&&(F(!p1) U X(G(!p0)))) U X(p2)))'
Support contains 371 out of 672 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 672/672 places, 5800/5800 transitions.
Applied a total of 0 rules in 12 ms. Remains 672 /672 variables (removed 0) and now considering 5800/5800 (removed 0) transitions.
[2026-06-10 19:43:51] [INFO ] Flow matrix only has 5524 transitions (discarded 276 similar events)
[2026-06-10 19:43:51] [INFO ] Invariant cache hit.
[2026-06-10 19:43:51] [INFO ] Implicit Places using invariants in 270 ms returned []
[2026-06-10 19:43:51] [INFO ] Flow matrix only has 5524 transitions (discarded 276 similar events)
[2026-06-10 19:43:51] [INFO ] Invariant cache hit.
[2026-06-10 19:43:52] [INFO ] State equation strengthened by 600 read => feed constraints.
[2026-06-10 19:44:13] [INFO ] Implicit Places using invariants and state equation in 21124 ms returned [299]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 21403 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 671/672 places, 5800/5800 transitions.
Applied a total of 0 rules in 14 ms. Remains 671 /671 variables (removed 0) and now considering 5800/5800 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 21434 ms. Remains : 671/672 places, 5800/5800 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(p0))&&(F(!p1) U X(G(!p0)))) U X(p2)))'
Stuttering acceptance computed with spot in 277 ms :[(NOT p2), (NOT p2), (AND p1 (NOT p2) p0), (NOT p0), p0, (AND p1 p0), p1]
Running random walk in product with property : LastZero-COL-N24-LTLFireability-11
Product exploration explored 100000 steps with 50000 reset in 702 ms.
Product exploration explored 100000 steps with 50000 reset in 872 ms.
Computed a total of 671 stabilizing places and 5800 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 671 transition count 5800
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 15 factoid took 19 ms. Proved property starting from automaton with 7 states, 13 edges and 3 AP (stutter sensitive
Knowledge-based reduction took 897 ms.
FORMULA LastZero-COL-N24-LTLFireability-11 TRUE TECHNIQUES KNOWLEDGE
Treatment of property LastZero-COL-N24-LTLFireability-11 finished in 24249 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X((p0&&X(X(X(G(p0)))))) U (p0 U p1)))'
Support contains 648 out of 672 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 672/672 places, 5800/5800 transitions.
Applied a total of 0 rules in 9 ms. Remains 672 /672 variables (removed 0) and now considering 5800/5800 (removed 0) transitions.
[2026-06-10 19:44:15] [INFO ] Flow matrix only has 5524 transitions (discarded 276 similar events)
[2026-06-10 19:44:15] [INFO ] Invariant cache hit.
[2026-06-10 19:44:16] [INFO ] Implicit Places using invariants in 97 ms returned []
[2026-06-10 19:44:16] [INFO ] Flow matrix only has 5524 transitions (discarded 276 similar events)
[2026-06-10 19:44:16] [INFO ] Invariant cache hit.
[2026-06-10 19:44:16] [INFO ] State equation strengthened by 600 read => feed constraints.
[2026-06-10 19:44:17] [INFO ] Implicit Places using invariants and state equation in 1360 ms returned []
Implicit Place search using SMT with State Equation took 1459 ms to find 0 implicit places.
Running 5776 sub problems to find dead transitions.
[2026-06-10 19:44:17] [INFO ] Flow matrix only has 5524 transitions (discarded 276 similar events)
[2026-06-10 19:44:17] [INFO ] Invariant cache hit.
[2026-06-10 19:44:17] [INFO ] State equation strengthened by 600 read => feed constraints.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/671 variables, 24/24 constraints. Problems are: Problem set: 0 solved, 5776 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 671/6196 variables, and 24 constraints, problems are : Problem set: 0 solved, 5776 unsolved in 30076 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 0/672 constraints, ReadFeed: 0/600 constraints, PredecessorRefiner: 5776/5776 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5776 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/671 variables, 24/24 constraints. Problems are: Problem set: 0 solved, 5776 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 671/6196 variables, and 24 constraints, problems are : Problem set: 0 solved, 5776 unsolved in 30081 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 0/672 constraints, ReadFeed: 0/600 constraints, PredecessorRefiner: 0/5776 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 64018ms problems are : Problem set: 0 solved, 5776 unsolved
Search for dead transitions found 0 dead transitions in 64028ms
Finished structural reductions in LTL mode , in 1 iterations and 65517 ms. Remains : 672/672 places, 5800/5800 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))))&&p0)) U (p0 U p1)))'
Stuttering acceptance computed with spot in 320 ms :[(NOT p1), (NOT p0), (AND (NOT p0) (NOT p1)), true, (NOT p0), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : LastZero-COL-N24-LTLFireability-12
Entered a terminal (fully accepting) state of product in 63 steps with 2 reset in 12 ms.
FORMULA LastZero-COL-N24-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property LastZero-COL-N24-LTLFireability-12 finished in 67068 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 323 out of 672 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 672/672 places, 5800/5800 transitions.
Applied a total of 0 rules in 46 ms. Remains 672 /672 variables (removed 0) and now considering 5800/5800 (removed 0) transitions.
[2026-06-10 19:45:23] [INFO ] Flow matrix only has 5524 transitions (discarded 276 similar events)
[2026-06-10 19:45:23] [INFO ] Invariant cache hit.
[2026-06-10 19:45:23] [INFO ] Implicit Places using invariants in 304 ms returned []
[2026-06-10 19:45:23] [INFO ] Flow matrix only has 5524 transitions (discarded 276 similar events)
[2026-06-10 19:45:23] [INFO ] Invariant cache hit.
[2026-06-10 19:45:24] [INFO ] State equation strengthened by 600 read => feed constraints.
[2026-06-10 19:45:37] [INFO ] Implicit Places using invariants and state equation in 14105 ms returned [299]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 14419 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 671/672 places, 5800/5800 transitions.
Applied a total of 0 rules in 40 ms. Remains 671 /671 variables (removed 0) and now considering 5800/5800 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 14507 ms. Remains : 671/672 places, 5800/5800 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 43 ms :[(NOT p0)]
Running random walk in product with property : LastZero-COL-N24-LTLFireability-13
Product exploration explored 100000 steps with 1369 reset in 2046 ms.
Product exploration explored 100000 steps with 1369 reset in 1999 ms.
Computed a total of 671 stabilizing places and 5800 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 671 transition count 5800
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 4 factoid took 16 ms. Proved property starting from automaton with 1 states, 2 edges and 1 AP (stutter insensitive
Knowledge-based reduction took 835 ms.
FORMULA LastZero-COL-N24-LTLFireability-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property LastZero-COL-N24-LTLFireability-13 finished in 19478 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(p1)||p0))&&(X(p2) U ((!p2&&X(p2))||G(X(p2))))))'
Support contains 648 out of 672 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 672/672 places, 5800/5800 transitions.
Applied a total of 0 rules in 12 ms. Remains 672 /672 variables (removed 0) and now considering 5800/5800 (removed 0) transitions.
[2026-06-10 19:45:42] [INFO ] Flow matrix only has 5524 transitions (discarded 276 similar events)
[2026-06-10 19:45:42] [INFO ] Invariant cache hit.
[2026-06-10 19:45:42] [INFO ] Implicit Places using invariants in 99 ms returned []
[2026-06-10 19:45:42] [INFO ] Flow matrix only has 5524 transitions (discarded 276 similar events)
[2026-06-10 19:45:42] [INFO ] Invariant cache hit.
[2026-06-10 19:45:43] [INFO ] State equation strengthened by 600 read => feed constraints.
[2026-06-10 19:45:43] [INFO ] Implicit Places using invariants and state equation in 1331 ms returned []
Implicit Place search using SMT with State Equation took 1431 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1444 ms. Remains : 672/672 places, 5800/5800 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(p1)||p0))&&(X(p2) U ((!p2&&X(p2))||G(X(p2))))))'
Stuttering acceptance computed with spot in 197 ms :[(OR (NOT p2) (AND (NOT p0) (NOT p1))), true, (NOT p1), (AND (NOT p1) (NOT p0)), (NOT p2), (NOT p2)]
Running random walk in product with property : LastZero-COL-N24-LTLFireability-14
Entered a terminal (fully accepting) state of product in 3 steps with 1 reset in 21 ms.
FORMULA LastZero-COL-N24-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property LastZero-COL-N24-LTLFireability-14 finished in 1763 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) U X(X(p0))))'
Support contains 371 out of 672 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 672/672 places, 5800/5800 transitions.
Applied a total of 0 rules in 8 ms. Remains 672 /672 variables (removed 0) and now considering 5800/5800 (removed 0) transitions.
[2026-06-10 19:45:44] [INFO ] Flow matrix only has 5524 transitions (discarded 276 similar events)
[2026-06-10 19:45:44] [INFO ] Invariant cache hit.
[2026-06-10 19:45:44] [INFO ] Implicit Places using invariants in 279 ms returned []
[2026-06-10 19:45:44] [INFO ] Flow matrix only has 5524 transitions (discarded 276 similar events)
[2026-06-10 19:45:44] [INFO ] Invariant cache hit.
[2026-06-10 19:45:45] [INFO ] State equation strengthened by 600 read => feed constraints.
[2026-06-10 19:46:05] [INFO ] Implicit Places using invariants and state equation in 21126 ms returned [299]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 21413 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 671/672 places, 5800/5800 transitions.
Applied a total of 0 rules in 14 ms. Remains 671 /671 variables (removed 0) and now considering 5800/5800 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 21436 ms. Remains : 671/672 places, 5800/5800 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) U X(X(p0))))'
Stuttering acceptance computed with spot in 285 ms :[(NOT p0), (AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (NOT p0), (NOT p1), p0]
Running random walk in product with property : LastZero-COL-N24-LTLFireability-15
Product exploration explored 100000 steps with 2995 reset in 2406 ms.
Product exploration explored 100000 steps with 3033 reset in 2392 ms.
Computed a total of 671 stabilizing places and 5800 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 671 transition count 5800
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge based reduction with 6 factoid took 97 ms. Reduced automaton from 8 states, 12 edges and 2 AP (stutter sensitive) to 6 states, 7 edges and 2 AP (stutter sensitive).
RANDOM walk for 264 steps (0 resets) in 33 ms. (7 steps per ms) remains 0/3 properties
Knowledge based reduction with 6 factoid took 134 ms. Reduced automaton from 6 states, 7 edges and 2 AP (stutter sensitive) to 6 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 250 ms :[(NOT p0), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (NOT p0), (NOT p1)]
[2026-06-10 19:46:12] [INFO ] Flow matrix only has 5524 transitions (discarded 276 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15590649475343745073.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15534563427341309384.kers'
[2026-06-10 19:46:13] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15590649475343745073.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15534563427341309384.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 2 ms.
// Phase 1: matrix 5524 rows 670 cols 15622 entries
Finished phase 1 with 648 SingleSign rule and 0 generalized
[2026-06-10 19:46:13] [INFO ] Computed 23 invariants in 16 ms
Computed 23 P flows in 29 ms.
Exported basis to /tmp/petrispot-output-15534563427341309384.kers
Total runtime 38 ms.
Could not prove EG (NOT p0)
Knowledge-based reduction took 17366 ms.
Stuttering acceptance computed with spot in 212 ms :[(NOT p0), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (NOT p0), (NOT p1)]
Support contains 371 out of 671 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 671/671 places, 5800/5800 transitions.
Applied a total of 0 rules in 11 ms. Remains 671 /671 variables (removed 0) and now considering 5800/5800 (removed 0) transitions.
[2026-06-10 19:46:28] [INFO ] Flow matrix only has 5524 transitions (discarded 276 similar events)
[2026-06-10 19:46:28] [INFO ] Invariant cache hit.
[2026-06-10 19:46:28] [INFO ] Implicit Places using invariants in 275 ms returned []
[2026-06-10 19:46:28] [INFO ] Flow matrix only has 5524 transitions (discarded 276 similar events)
[2026-06-10 19:46:28] [INFO ] Invariant cache hit.
[2026-06-10 19:46:29] [INFO ] State equation strengthened by 600 read => feed constraints.
[2026-06-10 19:46:45] [INFO ] Implicit Places using invariants and state equation in 17045 ms returned []
Implicit Place search using SMT with State Equation took 17322 ms to find 0 implicit places.
Running 5776 sub problems to find dead transitions.
[2026-06-10 19:46:45] [INFO ] Flow matrix only has 5524 transitions (discarded 276 similar events)
[2026-06-10 19:46:45] [INFO ] Invariant cache hit.
[2026-06-10 19:46:45] [INFO ] State equation strengthened by 600 read => feed constraints.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/670 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 5776 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 670/6195 variables, and 23 constraints, problems are : Problem set: 0 solved, 5776 unsolved in 30079 ms.
Refiners :[Positive P Invariants (semi-flows): 23/23 constraints, State Equation: 0/671 constraints, ReadFeed: 0/600 constraints, PredecessorRefiner: 5776/5776 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5776 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/670 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 5776 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 670/6195 variables, and 23 constraints, problems are : Problem set: 0 solved, 5776 unsolved in 30089 ms.
Refiners :[Positive P Invariants (semi-flows): 23/23 constraints, State Equation: 0/671 constraints, ReadFeed: 0/600 constraints, PredecessorRefiner: 0/5776 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 63662ms problems are : Problem set: 0 solved, 5776 unsolved
Search for dead transitions found 0 dead transitions in 63672ms
Finished structural reductions in LTL mode , in 1 iterations and 81020 ms. Remains : 671/671 places, 5800/5800 transitions.
Computed a total of 671 stabilizing places and 5800 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 671 transition count 5800
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge based reduction with 5 factoid took 104 ms. Reduced automaton from 6 states, 7 edges and 2 AP (stutter sensitive) to 6 states, 7 edges and 2 AP (stutter sensitive).
RANDOM walk for 261 steps (0 resets) in 27 ms. (9 steps per ms) remains 0/3 properties
Knowledge based reduction with 5 factoid took 121 ms. Reduced automaton from 6 states, 7 edges and 2 AP (stutter sensitive) to 6 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 262 ms :[(NOT p0), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (NOT p0), (NOT p1)]
[2026-06-10 19:47:50] [INFO ] Flow matrix only has 5524 transitions (discarded 276 similar events)
[2026-06-10 19:47:51] [INFO ] Invariant cache hit.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:308)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:834)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testEGap(DeadlockTester.java:590)
at fr.lip6.move.gal.application.solver.ltl.knowledge.KnowledgeFacts.computeEGknowledge(KnowledgeFacts.java:240)
at fr.lip6.move.gal.application.solver.ltl.knowledge.KnowledgeOrchestrator.applyKnowledgeBasedReductions(KnowledgeOrchestrator.java:52)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:261)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:217)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:66)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:849)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
[2026-06-10 19:48:06] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")... while checking expression EG (NOT p0)
Could not prove EG (NOT p0)
Knowledge-based reduction took 17301 ms.
Stuttering acceptance computed with spot in 239 ms :[(NOT p0), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 237 ms :[(NOT p0), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (NOT p0), (NOT p1)]
Stuttering criterion allowed to conclude after 466 steps with 15 reset in 22 ms.
FORMULA LastZero-COL-N24-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property LastZero-COL-N24-LTLFireability-15 finished in 143036 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(p0)))'
Spot run failed in 71 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/senseclsl.py", line 2, in
import spot, sys
ModuleNotFoundError: No module named 'spot'
Warning : SL/CL computation failed.
[2026-06-10 19:48:07] [INFO ] Flatten gal took : 95 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin6399250491319124740
[2026-06-10 19:48:07] [INFO ] Too many transitions (5800) to apply POR reductions. Disabling POR matrices.
[2026-06-10 19:48:07] [INFO ] Applying decomposition
[2026-06-10 19:48:07] [INFO ] Built C files in 80ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin6399250491319124740
Running compilation step : cd /tmp/ltsmin6399250491319124740;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '720' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
[2026-06-10 19:48:07] [INFO ] Flatten gal took : 93 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph3816568445452765784.txt' '-o' '/tmp/graph3816568445452765784.bin' '-w' '/tmp/graph3816568445452765784.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph3816568445452765784.bin' '-l' '-1' '-v' '-w' '/tmp/graph3816568445452765784.weights' '-q' '0' '-e' '0.001'
[2026-06-10 19:48:07] [INFO ] Decomposing Gal with order
[2026-06-10 19:48:07] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-06-10 19:48:08] [INFO ] Removed a total of 9954 redundant transitions.
[2026-06-10 19:48:08] [INFO ] Flatten gal took : 168 ms
[2026-06-10 19:48:08] [INFO ] Fuse similar labels procedure discarded/fused a total of 74 labels/synchronizations in 44 ms.
[2026-06-10 19:48:08] [INFO ] Time to serialize gal into /tmp/LTLFireability1603181090121797936.gal : 20 ms
[2026-06-10 19:48:08] [INFO ] Time to serialize properties into /tmp/LTLFireability18098874004856136769.ltl : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTLFireability1603181090121797936.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability18098874004856136769.ltl' '-c' '-stutter-deadlock'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...277
Read 1 LTL properties
Checking formula 0 : !((X(F("(((((((((((i5.u284.array_580>=1)&&(u169.lastzero_23>=1))||((i11.u216.array_359>=1)&&(u169.lastzero_14>=1)))||(((i1.i1.i1.u191....16027
Formula 0 simplified : XG!"(((((((((((i5.u284.array_580>=1)&&(u169.lastzero_23>=1))||((i11.u216.array_359>=1)&&(u169.lastzero_14>=1)))||(((i1.i1.i1.u191.ar...16021
Compilation finished in 19051 ms.
Running link step : cd /tmp/ltsmin6399250491319124740;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 156 ms.
Running LTSmin : cd /tmp/ltsmin6399250491319124740;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--ltl' 'X(<>((LTLAPp0==true)))' '--buchi-type=spotba'
Reverse transition relation is NOT exact ! Due to transitions i0.i0.i0.t344, i0.i0.i0.t343, i0.i0.i0.t342, i0.i0.i0.t341, i0.i0.i0.u3.t340, i0.i0.i1.t375, ...3666
Computing Next relation with stutter on 8.38861e+06 deadlock states
2 unique states visited
0 strongly connected components in search stack
1 transitions explored
2 items max in DFS search stack
2524 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,25.4806,893336,1,0,1.23019e+06,2848,24388,1.12322e+06,394,11660,11422784
no accepting run found
Formula 0 is TRUE no accepting run found.
FORMULA LastZero-COL-N24-LTLFireability-04 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
ITS tools runner thread asked to quit. Dying gracefully.
Total runtime 699412 ms.
BK_STOP 1781120917132
--------------------
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="LastZero-COL-N24"
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 LastZero-COL-N24, 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 r354-tall-178024402800068"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/LastZero-COL-N24.tgz
mv LastZero-COL-N24 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 '
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 ;