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-178024402700052.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-N20, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r354-tall-178024402700052
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 516K
-rw-r--r-- 1 mcc users 7.7K May 27 10:27 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K May 27 10:27 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K May 27 10:26 CTLFireability.txt
-rw-r--r-- 1 mcc users 55K May 27 10:26 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K May 27 10:54 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 27 10:54 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 27 10:54 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 27 10:54 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 May 26 18:17 NewModel
-rw-r--r-- 1 mcc users 13K May 27 10:27 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 128K May 27 10:27 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 10K May 27 10:27 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 86K May 27 10:27 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 27 10:54 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 27 10:54 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 40K 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-N20-LTLFireability-00
FORMULA_NAME LastZero-COL-N20-LTLFireability-01
FORMULA_NAME LastZero-COL-N20-LTLFireability-02
FORMULA_NAME LastZero-COL-N20-LTLFireability-03
FORMULA_NAME LastZero-COL-N20-LTLFireability-04
FORMULA_NAME LastZero-COL-N20-LTLFireability-05
FORMULA_NAME LastZero-COL-N20-LTLFireability-06
FORMULA_NAME LastZero-COL-N20-LTLFireability-07
FORMULA_NAME LastZero-COL-N20-LTLFireability-08
FORMULA_NAME LastZero-COL-N20-LTLFireability-09
FORMULA_NAME LastZero-COL-N20-LTLFireability-10
FORMULA_NAME LastZero-COL-N20-LTLFireability-11
FORMULA_NAME LastZero-COL-N20-LTLFireability-12
FORMULA_NAME LastZero-COL-N20-LTLFireability-13
FORMULA_NAME LastZero-COL-N20-LTLFireability-14
FORMULA_NAME LastZero-COL-N20-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1781119075804

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-N20
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
LTLFireability COL
Running Version 202604301425
[2026-06-10 19:17:57] [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 19:17:57] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-06-10 19:17:57] [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 19:17:57] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-06-10 19:17:57] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 556 ms
[2026-06-10 19:17:57] [INFO ] Imported 4 HL places and 3 HL transitions for a total of 924 PT places and 10143.0 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
FORMULA LastZero-COL-N20-LTLFireability-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-06-10 19:17:57] [INFO ] Built PT skeleton of HLPN with 4 places and 3 transitions 11 arcs in 5 ms.
[2026-06-10 19:17:57] [INFO ] Skeletonized 4 HLPN properties in 1 ms. Removed 11 properties that had guard overlaps.
Computed a total of 4 stabilizing places and 2 stable transitions
Remains 2 properties that can be checked using skeleton over-approximation.
Reduce places removed 2 places and 0 transitions.
FORMULA LastZero-COL-N20-LTLFireability-04 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 19:17:57] [INFO ] Flatten gal took : 13 ms
[2026-06-10 19:17:57] [INFO ] Flatten gal took : 1 ms
Domain [ID(21), ID(21)] of place array breaks symmetries in sort ID
[2026-06-10 19:17:58] [INFO ] Unfolded HLPN to a Petri net with 924 places and 10061 transitions 30983 arcs in 108 ms.
[2026-06-10 19:17:58] [INFO ] Unfolded 14 HLPN properties in 17 ms.
Initial state reduction rules removed 3 formulas.
Deduced a syphon composed of 442 places in 34 ms
Reduce places removed 442 places and 6561 transitions.
Reduce places removed 1 places and 0 transitions.
FORMULA LastZero-COL-N20-LTLFireability-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-COL-N20-LTLFireability-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-COL-N20-LTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 480 out of 481 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 481/481 places, 3500/3500 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 480 transition count 3500
Applied a total of 1 rules in 39 ms. Remains 480 /481 variables (removed 1) and now considering 3500/3500 (removed 0) transitions.
[2026-06-10 19:18:03] [INFO ] Flow matrix only has 3310 transitions (discarded 190 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6016373490987045411.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11205305864327985583.kers'
[2026-06-10 19:18:03] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6016373490987045411.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11205305864327985583.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 8 ms.
// Phase 1: matrix 3310 rows 479 cols 9278 entries
Finished phase 1 with 460 SingleSign rule and 0 generalized
[2026-06-10 19:18:03] [INFO ] Computed 20 invariants in 15 ms
Computed 20 P flows in 16 ms.
Exported basis to /tmp/petrispot-output-11205305864327985583.kers
Total runtime 18 ms.
[2026-06-10 19:18:04] [INFO ] Implicit Places using invariants in 303 ms returned []
[2026-06-10 19:18:04] [INFO ] Flow matrix only has 3310 transitions (discarded 190 similar events)
[2026-06-10 19:18:04] [INFO ] Invariant cache hit.
[2026-06-10 19:18:05] [INFO ] State equation strengthened by 420 read => feed constraints.
[2026-06-10 19:18:05] [INFO ] Implicit Places using invariants and state equation in 1077 ms returned []
Implicit Place search using SMT with State Equation took 1416 ms to find 0 implicit places.
Running 3480 sub problems to find dead transitions.
[2026-06-10 19:18:05] [INFO ] Flow matrix only has 3310 transitions (discarded 190 similar events)
[2026-06-10 19:18:05] [INFO ] Invariant cache hit.
[2026-06-10 19:18:05] [INFO ] State equation strengthened by 420 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/479 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 3480 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 479/3790 variables, and 20 constraints, problems are : Problem set: 0 solved, 3480 unsolved in 30076 ms.
Refiners :[Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 0/480 constraints, ReadFeed: 0/420 constraints, PredecessorRefiner: 3480/3480 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3480 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/479 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 3480 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 479/3790 variables, and 20 constraints, problems are : Problem set: 0 solved, 3480 unsolved in 30058 ms.
Refiners :[Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 0/480 constraints, ReadFeed: 0/420 constraints, PredecessorRefiner: 0/3480 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62347ms problems are : Problem set: 0 solved, 3480 unsolved
Search for dead transitions found 0 dead transitions in 62419ms
Starting structural reductions in LTL mode, iteration 1 : 480/481 places, 3500/3500 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 63957 ms. Remains : 480/481 places, 3500/3500 transitions.
Starting structural reductions in LTL mode, iteration 0 : 480/480 places, 3500/3500 transitions.
Applied a total of 0 rules in 9 ms. Remains 480 /480 variables (removed 0) and now considering 3500/3500 (removed 0) transitions.
[2026-06-10 19:19:07] [INFO ] Flow matrix only has 3310 transitions (discarded 190 similar events)
[2026-06-10 19:19:07] [INFO ] Invariant cache hit.
[2026-06-10 19:19:07] [INFO ] Implicit Places using invariants in 64 ms returned []
[2026-06-10 19:19:07] [INFO ] Flow matrix only has 3310 transitions (discarded 190 similar events)
[2026-06-10 19:19:07] [INFO ] Invariant cache hit.
[2026-06-10 19:19:08] [INFO ] State equation strengthened by 420 read => feed constraints.
[2026-06-10 19:19:08] [INFO ] Implicit Places using invariants and state equation in 644 ms returned []
Implicit Place search using SMT with State Equation took 709 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 720 ms. Remains : 480/480 places, 3500/3500 transitions.
Support contains 480 out of 480 places after structural reductions.
[2026-06-10 19:19:09] [INFO ] Flatten gal took : 373 ms
[2026-06-10 19:19:10] [INFO ] Flatten gal took : 319 ms
[2026-06-10 19:19:10] [INFO ] Input system was already deterministic with 3500 transitions.
Reduction of identical properties reduced properties to check from 7 to 3
RANDOM walk for 163 steps (0 resets) in 84 ms. (1 steps per ms) remains 0/3 properties
FORMULA LastZero-COL-N20-LTLFireability-15 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 480 stabilizing places and 3500 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 480 transition count 3500
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' '!((X((p0||(p1&&G(!p0))))&&F(p2)))'
Support contains 480 out of 480 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 480/480 places, 3500/3500 transitions.
Applied a total of 0 rules in 9 ms. Remains 480 /480 variables (removed 0) and now considering 3500/3500 (removed 0) transitions.
[2026-06-10 19:19:11] [INFO ] Flow matrix only has 3310 transitions (discarded 190 similar events)
[2026-06-10 19:19:11] [INFO ] Invariant cache hit.
[2026-06-10 19:19:12] [INFO ] Implicit Places using invariants in 78 ms returned []
[2026-06-10 19:19:12] [INFO ] Flow matrix only has 3310 transitions (discarded 190 similar events)
[2026-06-10 19:19:12] [INFO ] Invariant cache hit.
[2026-06-10 19:19:12] [INFO ] State equation strengthened by 420 read => feed constraints.
[2026-06-10 19:19:12] [INFO ] Implicit Places using invariants and state equation in 614 ms returned []
Implicit Place search using SMT with State Equation took 696 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 707 ms. Remains : 480/480 places, 3500/3500 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X((p0||(p1&&G(!p0))))&&F(p2)))'
Stuttering acceptance computed with spot in 271 ms :[(OR (NOT p2) (AND (NOT p0) (NOT p1))), (AND (NOT p0) (NOT p1)), (NOT p2), true, p0]
Running random walk in product with property : LastZero-COL-N20-LTLFireability-00
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 3 ms.
FORMULA LastZero-COL-N20-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property LastZero-COL-N20-LTLFireability-00 finished in 1125 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(F(p0))&&F(!p1))))'
Support contains 460 out of 480 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 480/480 places, 3500/3500 transitions.
Applied a total of 0 rules in 7 ms. Remains 480 /480 variables (removed 0) and now considering 3500/3500 (removed 0) transitions.
[2026-06-10 19:19:13] [INFO ] Flow matrix only has 3310 transitions (discarded 190 similar events)
[2026-06-10 19:19:13] [INFO ] Invariant cache hit.
[2026-06-10 19:19:13] [INFO ] Implicit Places using invariants in 92 ms returned []
[2026-06-10 19:19:13] [INFO ] Flow matrix only has 3310 transitions (discarded 190 similar events)
[2026-06-10 19:19:13] [INFO ] Invariant cache hit.
[2026-06-10 19:19:13] [INFO ] State equation strengthened by 420 read => feed constraints.
[2026-06-10 19:19:14] [INFO ] Implicit Places using invariants and state equation in 895 ms returned []
Implicit Place search using SMT with State Equation took 989 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 999 ms. Remains : 480/480 places, 3500/3500 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(F(p0))&&F(p1))))'
Stuttering acceptance computed with spot in 166 ms :[(OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (NOT p0), (NOT p1)]
Running random walk in product with property : LastZero-COL-N20-LTLFireability-01
Product exploration explored 100000 steps with 33333 reset in 3676 ms.
Product exploration explored 100000 steps with 33333 reset in 3489 ms.
Computed a total of 480 stabilizing places and 3500 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 480 transition count 3500
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 5 factoid took 44 ms. Proved property starting from automaton with 4 states, 5 edges and 2 AP (stutter sensitive
Knowledge-based reduction took 1597 ms.
FORMULA LastZero-COL-N20-LTLFireability-01 TRUE TECHNIQUES KNOWLEDGE
Treatment of property LastZero-COL-N20-LTLFireability-01 finished in 10013 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X((p0&&X((X(!p1) U (X(G(!p1))||(X(!p1)&&p2)))))))))'
Support contains 460 out of 480 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 480/480 places, 3500/3500 transitions.
Applied a total of 0 rules in 9 ms. Remains 480 /480 variables (removed 0) and now considering 3500/3500 (removed 0) transitions.
[2026-06-10 19:19:23] [INFO ] Flow matrix only has 3310 transitions (discarded 190 similar events)
[2026-06-10 19:19:23] [INFO ] Invariant cache hit.
[2026-06-10 19:19:23] [INFO ] Implicit Places using invariants in 93 ms returned []
[2026-06-10 19:19:23] [INFO ] Flow matrix only has 3310 transitions (discarded 190 similar events)
[2026-06-10 19:19:23] [INFO ] Invariant cache hit.
[2026-06-10 19:19:23] [INFO ] State equation strengthened by 420 read => feed constraints.
[2026-06-10 19:19:24] [INFO ] Implicit Places using invariants and state equation in 938 ms returned []
Implicit Place search using SMT with State Equation took 1033 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1046 ms. Remains : 480/480 places, 3500/3500 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X((X((X(!p0) U (X(G(!p0))||(X(!p0)&&p1))))&&p2)))))'
Stuttering acceptance computed with spot in 245 ms :[(OR (NOT p2) p0), (OR (NOT p2) p0), (OR (NOT p2) p0), (OR (NOT p2) p0), true, p0, p0]
Running random walk in product with property : LastZero-COL-N20-LTLFireability-02
Entered a terminal (fully accepting) state of product in 6 steps with 0 reset in 1 ms.
FORMULA LastZero-COL-N20-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property LastZero-COL-N20-LTLFireability-02 finished in 1383 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 229 out of 480 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 480/480 places, 3500/3500 transitions.
Applied a total of 0 rules in 78 ms. Remains 480 /480 variables (removed 0) and now considering 3500/3500 (removed 0) transitions.
[2026-06-10 19:19:24] [INFO ] Flow matrix only has 3310 transitions (discarded 190 similar events)
[2026-06-10 19:19:24] [INFO ] Invariant cache hit.
[2026-06-10 19:19:24] [INFO ] Implicit Places using invariants in 225 ms returned []
[2026-06-10 19:19:24] [INFO ] Flow matrix only has 3310 transitions (discarded 190 similar events)
[2026-06-10 19:19:24] [INFO ] Invariant cache hit.
[2026-06-10 19:19:25] [INFO ] State equation strengthened by 420 read => feed constraints.
[2026-06-10 19:19:32] [INFO ] Implicit Places using invariants and state equation in 7779 ms returned [209]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 8015 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 479/480 places, 3500/3500 transitions.
Applied a total of 0 rules in 55 ms. Remains 479 /479 variables (removed 0) and now considering 3500/3500 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 8150 ms. Remains : 479/480 places, 3500/3500 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 87 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : LastZero-COL-N20-LTLFireability-06
Stuttering criterion allowed to conclude after 60 steps with 0 reset in 2 ms.
FORMULA LastZero-COL-N20-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property LastZero-COL-N20-LTLFireability-06 finished in 8280 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((p0 U G(!p1))||X(!p1))))'
Support contains 460 out of 480 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 480/480 places, 3500/3500 transitions.
Applied a total of 0 rules in 12 ms. Remains 480 /480 variables (removed 0) and now considering 3500/3500 (removed 0) transitions.
[2026-06-10 19:19:32] [INFO ] Flow matrix only has 3310 transitions (discarded 190 similar events)
[2026-06-10 19:19:32] [INFO ] Invariant cache hit.
[2026-06-10 19:19:32] [INFO ] Implicit Places using invariants in 80 ms returned []
[2026-06-10 19:19:32] [INFO ] Flow matrix only has 3310 transitions (discarded 190 similar events)
[2026-06-10 19:19:32] [INFO ] Invariant cache hit.
[2026-06-10 19:19:33] [INFO ] State equation strengthened by 420 read => feed constraints.
[2026-06-10 19:19:33] [INFO ] Implicit Places using invariants and state equation in 847 ms returned []
Implicit Place search using SMT with State Equation took 930 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 945 ms. Remains : 480/480 places, 3500/3500 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((p0 U G(!p1))||X(!p1))))'
Stuttering acceptance computed with spot in 289 ms :[p1, p1, p1, p1, true, p1, p1]
Running random walk in product with property : LastZero-COL-N20-LTLFireability-08
Entered a terminal (fully accepting) state of product in 109 steps with 22 reset in 36 ms.
FORMULA LastZero-COL-N20-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property LastZero-COL-N20-LTLFireability-08 finished in 1361 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 p1))'
Support contains 269 out of 480 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 480/480 places, 3500/3500 transitions.
Applied a total of 0 rules in 41 ms. Remains 480 /480 variables (removed 0) and now considering 3500/3500 (removed 0) transitions.
[2026-06-10 19:19:34] [INFO ] Flow matrix only has 3310 transitions (discarded 190 similar events)
[2026-06-10 19:19:34] [INFO ] Invariant cache hit.
[2026-06-10 19:19:34] [INFO ] Implicit Places using invariants in 185 ms returned []
[2026-06-10 19:19:34] [INFO ] Flow matrix only has 3310 transitions (discarded 190 similar events)
[2026-06-10 19:19:34] [INFO ] Invariant cache hit.
[2026-06-10 19:19:34] [INFO ] State equation strengthened by 420 read => feed constraints.
[2026-06-10 19:19:44] [INFO ] Implicit Places using invariants and state equation in 10557 ms returned [209]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 10749 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 479/480 places, 3500/3500 transitions.
Applied a total of 0 rules in 29 ms. Remains 479 /479 variables (removed 0) and now considering 3500/3500 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 10821 ms. Remains : 479/480 places, 3500/3500 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 p1))'
Stuttering acceptance computed with spot in 47 ms :[true, (NOT p1)]
Running random walk in product with property : LastZero-COL-N20-LTLFireability-10
Entered a terminal (fully accepting) state of product in 192 steps with 6 reset in 10 ms.
FORMULA LastZero-COL-N20-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property LastZero-COL-N20-LTLFireability-10 finished in 10921 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 230 out of 480 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 480/480 places, 3500/3500 transitions.
Reduce places removed 1 places and 1 transitions.
Applied a total of 0 rules in 35 ms. Remains 479 /480 variables (removed 1) and now considering 3499/3500 (removed 1) transitions.
[2026-06-10 19:19:45] [INFO ] Flow matrix only has 3309 transitions (discarded 190 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4805366811245356360.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16432676598129549191.kers'
[2026-06-10 19:19:45] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4805366811245356360.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16432676598129549191.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 1 ms.
// Phase 1: matrix 3309 rows 478 cols 9276 entries
Finished phase 1 with 459 SingleSign rule and 0 generalized
[2026-06-10 19:19:45] [INFO ] Computed 20 invariants in 9 ms
Computed 20 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-16432676598129549191.kers
Total runtime 16 ms.
[2026-06-10 19:19:45] [INFO ] Implicit Places using invariants in 237 ms returned []
[2026-06-10 19:19:45] [INFO ] Flow matrix only has 3309 transitions (discarded 190 similar events)
[2026-06-10 19:19:45] [INFO ] Invariant cache hit.
[2026-06-10 19:19:45] [INFO ] State equation strengthened by 420 read => feed constraints.
[2026-06-10 19:19:57] [INFO ] Implicit Places using invariants and state equation in 12248 ms returned [209]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 12491 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 478/480 places, 3499/3500 transitions.
Applied a total of 0 rules in 30 ms. Remains 478 /478 variables (removed 0) and now considering 3499/3499 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 12556 ms. Remains : 478/480 places, 3499/3500 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Stuttering acceptance computed with spot in 50 ms :[(NOT p0)]
Running random walk in product with property : LastZero-COL-N20-LTLFireability-11
Product exploration explored 100000 steps with 3802 reset in 1628 ms.
Product exploration explored 100000 steps with 3807 reset in 1580 ms.
Computed a total of 478 stabilizing places and 3499 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 478 transition count 3499
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 93 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
RANDOM walk for 85 steps (0 resets) in 12 ms. (6 steps per ms) remains 0/1 properties
Knowledge based reduction with 3 factoid took 87 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
[2026-06-10 19:20:01] [INFO ] Flow matrix only has 3309 transitions (discarded 190 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2206598185084550475.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12020900827570015715.kers'
[2026-06-10 19:20:02] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2206598185084550475.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12020900827570015715.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 1 ms.
// Phase 1: matrix 3309 rows 477 cols 9256 entries
Finished phase 1 with 459 SingleSign rule and 0 generalized
[2026-06-10 19:20:02] [INFO ] Computed 19 invariants in 9 ms
Computed 19 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-12020900827570015715.kers
Total runtime 16 ms.
[2026-06-10 19:20:15] [INFO ] [Real]Absence check using 19 positive place invariants in 17 ms returned sat
[2026-06-10 19:20:17] [INFO ] [Real]Absence check using state equation in 1468 ms returned unknown
Could not prove EG (NOT p0)
Knowledge-based reduction took 16293 ms.
Stuttering acceptance computed with spot in 40 ms :[(NOT p0)]
Support contains 230 out of 478 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 478/478 places, 3499/3499 transitions.
Applied a total of 0 rules in 32 ms. Remains 478 /478 variables (removed 0) and now considering 3499/3499 (removed 0) transitions.
[2026-06-10 19:20:17] [INFO ] Flow matrix only has 3309 transitions (discarded 190 similar events)
[2026-06-10 19:20:17] [INFO ] Invariant cache hit.
[2026-06-10 19:20:17] [INFO ] Implicit Places using invariants in 199 ms returned []
[2026-06-10 19:20:17] [INFO ] Flow matrix only has 3309 transitions (discarded 190 similar events)
[2026-06-10 19:20:17] [INFO ] Invariant cache hit.
[2026-06-10 19:20:17] [INFO ] State equation strengthened by 420 read => feed constraints.
[2026-06-10 19:20:25] [INFO ] Implicit Places using invariants and state equation in 8065 ms returned []
Implicit Place search using SMT with State Equation took 8267 ms to find 0 implicit places.
[2026-06-10 19:20:25] [INFO ] Redundant transitions in 260 ms returned []
Running 3479 sub problems to find dead transitions.
[2026-06-10 19:20:25] [INFO ] Flow matrix only has 3309 transitions (discarded 190 similar events)
[2026-06-10 19:20:25] [INFO ] Invariant cache hit.
[2026-06-10 19:20:25] [INFO ] State equation strengthened by 420 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/477 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 3479 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 477/3787 variables, and 18 constraints, problems are : Problem set: 0 solved, 3479 unsolved in 30063 ms.
Refiners :[Positive P Invariants (semi-flows): 18/19 constraints, State Equation: 0/478 constraints, ReadFeed: 0/420 constraints, PredecessorRefiner: 3479/3479 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3479 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/477 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 3479 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 477/3787 variables, and 18 constraints, problems are : Problem set: 0 solved, 3479 unsolved in 30050 ms.
Refiners :[Positive P Invariants (semi-flows): 18/19 constraints, State Equation: 0/478 constraints, ReadFeed: 0/420 constraints, PredecessorRefiner: 0/3479 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61833ms problems are : Problem set: 0 solved, 3479 unsolved
Search for dead transitions found 0 dead transitions in 61842ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 70417 ms. Remains : 478/478 places, 3499/3499 transitions.
Computed a total of 478 stabilizing places and 3499 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 478 transition count 3499
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 74 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
RANDOM walk for 85 steps (0 resets) in 8 ms. (9 steps per ms) remains 0/1 properties
Knowledge based reduction with 3 factoid took 77 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 39 ms :[(NOT p0)]
[2026-06-10 19:21:28] [INFO ] Flow matrix only has 3309 transitions (discarded 190 similar events)
[2026-06-10 19:21:28] [INFO ] Invariant cache hit.
[2026-06-10 19:21:42] [INFO ] [Real]Absence check using 19 positive place invariants in 13 ms returned sat
[2026-06-10 19:21:43] [INFO ] [Real]Absence check using state equation in 1158 ms returned unknown
Could not prove EG (NOT p0)
Knowledge-based reduction took 16292 ms.
Stuttering acceptance computed with spot in 45 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 33 ms :[(NOT p0)]
Product exploration explored 100000 steps with 3786 reset in 1521 ms.
Product exploration explored 100000 steps with 3806 reset in 1529 ms.
Built C files in :
/tmp/ltsmin14151625803846404727
[2026-06-10 19:21:47] [INFO ] Too many transitions (3499) to apply POR reductions. Disabling POR matrices.
[2026-06-10 19:21:47] [INFO ] Built C files in 66ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin14151625803846404727
Running compilation step : cd /tmp/ltsmin14151625803846404727;'/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/ltsmin14151625803846404727;'/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/ltsmin14151625803846404727;'/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 230 out of 478 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 478/478 places, 3499/3499 transitions.
Applied a total of 0 rules in 25 ms. Remains 478 /478 variables (removed 0) and now considering 3499/3499 (removed 0) transitions.
[2026-06-10 19:21:50] [INFO ] Flow matrix only has 3309 transitions (discarded 190 similar events)
[2026-06-10 19:21:50] [INFO ] Invariant cache hit.
[2026-06-10 19:21:50] [INFO ] Implicit Places using invariants in 219 ms returned []
[2026-06-10 19:21:50] [INFO ] Flow matrix only has 3309 transitions (discarded 190 similar events)
[2026-06-10 19:21:50] [INFO ] Invariant cache hit.
[2026-06-10 19:21:50] [INFO ] State equation strengthened by 420 read => feed constraints.
[2026-06-10 19:21:58] [INFO ] Implicit Places using invariants and state equation in 7797 ms returned []
Implicit Place search using SMT with State Equation took 8019 ms to find 0 implicit places.
[2026-06-10 19:21:58] [INFO ] Redundant transitions in 223 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 8279 ms. Remains : 478/478 places, 3499/3499 transitions.
Built C files in :
/tmp/ltsmin8826383485833281368
[2026-06-10 19:21:58] [INFO ] Too many transitions (3499) to apply POR reductions. Disabling POR matrices.
[2026-06-10 19:21:58] [INFO ] Built C files in 31ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin8826383485833281368
Running compilation step : cd /tmp/ltsmin8826383485833281368;'/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/ltsmin8826383485833281368;'/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/ltsmin8826383485833281368;'/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 19:22:01] [INFO ] Flatten gal took : 72 ms
[2026-06-10 19:22:02] [INFO ] Flatten gal took : 70 ms
[2026-06-10 19:22:02] [INFO ] Time to serialize gal into /tmp/LTL8011126497563504111.gal : 26 ms
[2026-06-10 19:22:02] [INFO ] Time to serialize properties into /tmp/LTL1058700196607700391.prop : 1 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/LTL8011126497563504111.gal' '-t' 'CGAL' '-hoa' '/tmp/aut11147033481353046456.hoa' '-atoms' '/tmp/LTL1058700196607700391.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/LTL1058700196607700391.prop.
Loaded 1 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut11147033481353046456.hoa
Detected timeout of ITS tools.
[2026-06-10 19:22:17] [INFO ] Flatten gal took : 62 ms
[2026-06-10 19:22:17] [INFO ] Flatten gal took : 65 ms
[2026-06-10 19:22:17] [INFO ] Time to serialize gal into /tmp/LTL9297346497959639459.gal : 14 ms
[2026-06-10 19:22:17] [INFO ] Time to serialize properties into /tmp/LTL5318127954111759609.ltl : 6 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/LTL9297346497959639459.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL5318127954111759609.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...275
Read 1 LTL properties
Checking formula 0 : !((F("((((((((((array_282>=1)&&(lastzero_13>=1))||((array_346>=1)&&(lastzero_16>=1)))||(((array_424>=1)&&(lastzero_20>=1))||((array_21...7952
Formula 0 simplified : G!"((((((((((array_282>=1)&&(lastzero_13>=1))||((array_346>=1)&&(lastzero_16>=1)))||(((array_424>=1)&&(lastzero_20>=1))||((array_218...7948
Detected timeout of ITS tools.
[2026-06-10 19:22:32] [INFO ] Flatten gal took : 58 ms
[2026-06-10 19:22:32] [INFO ] Applying decomposition
[2026-06-10 19:22:32] [INFO ] Flatten gal took : 60 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/graph14274241850989546300.txt' '-o' '/tmp/graph14274241850989546300.bin' '-w' '/tmp/graph14274241850989546300.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph14274241850989546300.bin' '-l' '-1' '-v' '-w' '/tmp/graph14274241850989546300.weights' '-q' '0' '-e' '0.001'
[2026-06-10 19:22:32] [INFO ] Decomposing Gal with order
[2026-06-10 19:22:33] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-06-10 19:22:33] [INFO ] Removed a total of 5787 redundant transitions.
[2026-06-10 19:22:33] [INFO ] Flatten gal took : 210 ms
[2026-06-10 19:22:33] [INFO ] Fuse similar labels procedure discarded/fused a total of 79 labels/synchronizations in 58 ms.
[2026-06-10 19:22:33] [INFO ] Time to serialize gal into /tmp/LTL10214655624358388760.gal : 21 ms
[2026-06-10 19:22:33] [INFO ] Time to serialize properties into /tmp/LTL16445218236544839118.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/LTL10214655624358388760.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL16445218236544839118.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...256
Read 1 LTL properties
Checking formula 0 : !((F("((((((((((i9.u146.array_282>=1)&&(u104.lastzero_13>=1))||((i1.u62.array_346>=1)&&(u104.lastzero_16>=1)))||(((i2.u96.array_424>=1...10919
Formula 0 simplified : G!"((((((((((i9.u146.array_282>=1)&&(u104.lastzero_13>=1))||((i1.u62.array_346>=1)&&(u104.lastzero_16>=1)))||(((i2.u96.array_424>=1)...10915
Reverse transition relation is NOT exact ! Due to transitions i0.t2886, i0.t2775, i0.t2649, i0.t2509, i0.t2356, i0.t2191, i0.t2015, i0.t1829, i0.t1634, i0....2586
Computing Next relation with stutter on 524288 deadlock states
1 unique states visited
0 strongly connected components in search stack
0 transitions explored
1 items max in DFS search stack
1181 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,0,11.9437,441972,1,0,600259,1387,16495,864637,335,6126,5185337
no accepting run found
Formula 0 is TRUE no accepting run found.
FORMULA LastZero-COL-N20-LTLFireability-11 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Treatment of property LastZero-COL-N20-LTLFireability-11 finished in 182025 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)&&(!p0 U (G(F(!p0))||p1))))'
Support contains 460 out of 480 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 480/480 places, 3500/3500 transitions.
Applied a total of 0 rules in 10 ms. Remains 480 /480 variables (removed 0) and now considering 3500/3500 (removed 0) transitions.
[2026-06-10 19:22:47] [INFO ] Flow matrix only has 3310 transitions (discarded 190 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3059840770575882141.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5535052356456857907.kers'
[2026-06-10 19:22:47] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3059840770575882141.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5535052356456857907.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 1 ms.
// Phase 1: matrix 3310 rows 479 cols 9278 entries
Finished phase 1 with 460 SingleSign rule and 0 generalized
[2026-06-10 19:22:47] [INFO ] Computed 20 invariants in 8 ms
Computed 20 P flows in 8 ms.
Exported basis to /tmp/petrispot-output-5535052356456857907.kers
Total runtime 10 ms.
[2026-06-10 19:22:47] [INFO ] Implicit Places using invariants in 102 ms returned []
[2026-06-10 19:22:47] [INFO ] Flow matrix only has 3310 transitions (discarded 190 similar events)
[2026-06-10 19:22:47] [INFO ] Invariant cache hit.
[2026-06-10 19:22:47] [INFO ] State equation strengthened by 420 read => feed constraints.
[2026-06-10 19:22:48] [INFO ] Implicit Places using invariants and state equation in 905 ms returned []
Implicit Place search using SMT with State Equation took 1012 ms to find 0 implicit places.
Running 3480 sub problems to find dead transitions.
[2026-06-10 19:22:48] [INFO ] Flow matrix only has 3310 transitions (discarded 190 similar events)
[2026-06-10 19:22:48] [INFO ] Invariant cache hit.
[2026-06-10 19:22:48] [INFO ] State equation strengthened by 420 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/479 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 3480 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 479/3790 variables, and 20 constraints, problems are : Problem set: 0 solved, 3480 unsolved in 30056 ms.
Refiners :[Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 0/480 constraints, ReadFeed: 0/420 constraints, PredecessorRefiner: 3480/3480 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3480 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/479 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 3480 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 479/3790 variables, and 20 constraints, problems are : Problem set: 0 solved, 3480 unsolved in 30074 ms.
Refiners :[Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 0/480 constraints, ReadFeed: 0/420 constraints, PredecessorRefiner: 0/3480 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61902ms problems are : Problem set: 0 solved, 3480 unsolved
Search for dead transitions found 0 dead transitions in 61912ms
Finished structural reductions in LTL mode , in 1 iterations and 62944 ms. Remains : 480/480 places, 3500/3500 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(p0)&&(p0 U (G(F(p0))||p1))))'
Stuttering acceptance computed with spot in 264 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p1)), true]
Running random walk in product with property : LastZero-COL-N20-LTLFireability-12
Product exploration explored 100000 steps with 50000 reset in 5413 ms.
Product exploration explored 100000 steps with 50000 reset in 5046 ms.
Computed a total of 480 stabilizing places and 3500 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 480 transition count 3500
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 10 factoid took 89 ms. Proved property starting from automaton with 6 states, 12 edges and 2 AP (stutter sensitive
Knowledge-based reduction took 1728 ms.
FORMULA LastZero-COL-N20-LTLFireability-12 TRUE TECHNIQUES KNOWLEDGE
Treatment of property LastZero-COL-N20-LTLFireability-12 finished in 75498 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)) U (p0&&F(G(!p1)))))'
Support contains 229 out of 480 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 480/480 places, 3500/3500 transitions.
Applied a total of 0 rules in 31 ms. Remains 480 /480 variables (removed 0) and now considering 3500/3500 (removed 0) transitions.
[2026-06-10 19:24:02] [INFO ] Flow matrix only has 3310 transitions (discarded 190 similar events)
[2026-06-10 19:24:02] [INFO ] Invariant cache hit.
[2026-06-10 19:24:02] [INFO ] Implicit Places using invariants in 224 ms returned []
[2026-06-10 19:24:02] [INFO ] Flow matrix only has 3310 transitions (discarded 190 similar events)
[2026-06-10 19:24:02] [INFO ] Invariant cache hit.
[2026-06-10 19:24:03] [INFO ] State equation strengthened by 420 read => feed constraints.
[2026-06-10 19:24:10] [INFO ] Implicit Places using invariants and state equation in 7900 ms returned [209]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 8130 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 479/480 places, 3500/3500 transitions.
Applied a total of 0 rules in 28 ms. Remains 479 /479 variables (removed 0) and now considering 3500/3500 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 8189 ms. Remains : 479/480 places, 3500/3500 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)) U (F(G(!p1))&&p0)))'
Stuttering acceptance computed with spot in 75 ms :[(OR (NOT p0) p1), p1]
Running random walk in product with property : LastZero-COL-N20-LTLFireability-13
Product exploration explored 100000 steps with 1639 reset in 1564 ms.
Product exploration explored 100000 steps with 1639 reset in 1510 ms.
Computed a total of 479 stabilizing places and 3500 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 479 transition count 3500
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 18 ms. Proved property starting from automaton with 2 states, 4 edges and 2 AP (stutter insensitive
Knowledge-based reduction took 530 ms.
FORMULA LastZero-COL-N20-LTLFireability-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property LastZero-COL-N20-LTLFireability-13 finished in 11919 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))&&(p0 U (X(p2)||p1))))'
Support contains 480 out of 480 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 480/480 places, 3500/3500 transitions.
Applied a total of 0 rules in 6 ms. Remains 480 /480 variables (removed 0) and now considering 3500/3500 (removed 0) transitions.
[2026-06-10 19:24:14] [INFO ] Flow matrix only has 3310 transitions (discarded 190 similar events)
[2026-06-10 19:24:14] [INFO ] Invariant cache hit.
[2026-06-10 19:24:14] [INFO ] Implicit Places using invariants in 80 ms returned []
[2026-06-10 19:24:14] [INFO ] Flow matrix only has 3310 transitions (discarded 190 similar events)
[2026-06-10 19:24:14] [INFO ] Invariant cache hit.
[2026-06-10 19:24:15] [INFO ] State equation strengthened by 420 read => feed constraints.
[2026-06-10 19:24:15] [INFO ] Implicit Places using invariants and state equation in 572 ms returned []
Implicit Place search using SMT with State Equation took 655 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 661 ms. Remains : 480/480 places, 3500/3500 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(G(p0))&&(!p0 U (X(p2)||p1))))'
Stuttering acceptance computed with spot in 198 ms :[true, (OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p2) (NOT p0)), (NOT p0), (OR (NOT p0) (AND (NOT p1) (NOT p2)))]
Running random walk in product with property : LastZero-COL-N20-LTLFireability-14
Entered a terminal (fully accepting) state of product in 42 steps with 0 reset in 7 ms.
FORMULA LastZero-COL-N20-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property LastZero-COL-N20-LTLFireability-14 finished in 966 ms.
All properties solved by simple procedures.
Total runtime 378378 ms.

BK_STOP 1781119455795

--------------------
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-N20"
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-N20, 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-178024402700052"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/LastZero-COL-N20.tgz
mv LastZero-COL-N20 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 ;