About the Execution of ITS-Tools for LamportFastMutEx-COL-8
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 16201.176 | 3600000.00 | 6620713.00 | 80827.80 | FFFFFFF?FTFFTFFF | 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.r162-smll-177961107900388.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 LamportFastMutEx-COL-8, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r162-smll-177961107900388
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 476K
-rw-r--r-- 1 mcc users 9.0K Mar 7 16:46 CTLCardinality.txt
-rw-r--r-- 1 mcc users 95K Mar 7 16:46 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Mar 7 16:45 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K Mar 7 16:45 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.1K Mar 15 11:13 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 11:13 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Mar 15 11:13 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 11:13 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 7 16:46 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 93K Mar 7 16:46 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.1K Mar 7 16:46 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 49K Mar 7 16:46 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 11:13 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 11:13 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_pt
-rw-r--r-- 1 mcc users 2 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 44K Mar 3 18:30 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of booleans
BOOL_VECTOR
echo here is the order used to build the result vector(from xml file)
FORMULA_NAME LamportFastMutEx-COL-8-LTLFireability-00
FORMULA_NAME LamportFastMutEx-COL-8-LTLFireability-01
FORMULA_NAME LamportFastMutEx-COL-8-LTLFireability-02
FORMULA_NAME LamportFastMutEx-COL-8-LTLFireability-03
FORMULA_NAME LamportFastMutEx-COL-8-LTLFireability-04
FORMULA_NAME LamportFastMutEx-COL-8-LTLFireability-05
FORMULA_NAME LamportFastMutEx-COL-8-LTLFireability-06
FORMULA_NAME LamportFastMutEx-COL-8-LTLFireability-07
FORMULA_NAME LamportFastMutEx-COL-8-LTLFireability-08
FORMULA_NAME LamportFastMutEx-COL-8-LTLFireability-09
FORMULA_NAME LamportFastMutEx-COL-8-LTLFireability-10
FORMULA_NAME LamportFastMutEx-COL-8-LTLFireability-11
FORMULA_NAME LamportFastMutEx-COL-8-LTLFireability-12
FORMULA_NAME LamportFastMutEx-COL-8-LTLFireability-13
FORMULA_NAME LamportFastMutEx-COL-8-LTLFireability-14
FORMULA_NAME LamportFastMutEx-COL-8-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1779868998498
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=LamportFastMutEx-COL-8
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
LTLFireability COL
Running Version 202604301425
[2026-05-27 08:03:20] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-27 08:03:20] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-27 08:03:20] [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.
[2026-05-27 08:03:21] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-27 08:03:21] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 870 ms
[2026-05-27 08:03:21] [INFO ] Imported 18 HL places and 17 HL transitions for a total of 315 PT places and 837.0 transition bindings in 27 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 16 ms.
Working with output stream class java.io.PrintStream
[2026-05-27 08:03:21] [INFO ] Built PT skeleton of HLPN with 18 places and 17 transitions 68 arcs in 10 ms.
[2026-05-27 08:03:21] [INFO ] Skeletonized 12 HLPN properties in 28 ms. Removed 4 properties that had guard overlaps.
Initial state reduction rules removed 3 formulas.
FORMULA LamportFastMutEx-COL-8-LTLFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LamportFastMutEx-COL-8-LTLFireability-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LamportFastMutEx-COL-8-LTLFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 3 stabilizing places and 0 stable transitions
Remains 9 properties that can be checked using skeleton over-approximation.
Reduce places removed 3 places and 0 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
RANDOM walk for 35332 steps (8 resets) in 307 ms. (114 steps per ms) remains 0/10 properties
[2026-05-27 08:03:22] [INFO ] Flatten gal took : 34 ms
[2026-05-27 08:03:22] [INFO ] Flatten gal took : 7 ms
Domain [pid(9), pid(9)] of place P_wait breaks symmetries in sort pid
Symmetric sort wr.t. initial and guards and successors and join/free detected :P_bool
Arc [3:1*[$i, 1]] contains constants of sort P_bool
Transition T_setbi_2 : constants on arcs in [[3:1*[$i, 1]]] introduces in P_bool(2) partition with 1 elements that refines current partition to 2 subsets.
[2026-05-27 08:03:22] [INFO ] Unfolded HLPN to a Petri net with 315 places and 666 transitions 2934 arcs in 77 ms.
[2026-05-27 08:03:22] [INFO ] Unfolded 13 HLPN properties in 2 ms.
Initial state reduction rules removed 1 formulas.
Deduced a syphon composed of 49 places in 6 ms
Reduce places removed 49 places and 82 transitions.
FORMULA LamportFastMutEx-COL-8-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 242 out of 266 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 266/266 places, 584/584 transitions.
Applied a total of 0 rules in 29 ms. Remains 266 /266 variables (removed 0) and now considering 584/584 (removed 0) transitions.
[2026-05-27 08:03:22] [INFO ] Flow matrix only has 416 transitions (discarded 168 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3359205009393026645.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4086536457811426130.kers'
[2026-05-27 08:03:22] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3359205009393026645.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4086536457811426130.kers]
Culling duplicate invariants (modulo rational): removing 8 columns.
Culled 8 columns in 0 ms.
// Phase 1: matrix 416 rows 258 cols 1376 entries
Finished phase 1 with 184 SingleSign rule and 0 generalized
[2026-05-27 08:03:22] [INFO ] Computed 82 invariants in 3 ms
Computed 82 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-4086536457811426130.kers
Total runtime 6 ms.
[2026-05-27 08:03:23] [INFO ] Implicit Places using invariants in 499 ms returned []
[2026-05-27 08:03:23] [INFO ] Flow matrix only has 416 transitions (discarded 168 similar events)
[2026-05-27 08:03:23] [INFO ] Invariant cache hit.
[2026-05-27 08:03:23] [INFO ] State equation strengthened by 112 read => feed constraints.
[2026-05-27 08:03:23] [INFO ] Implicit Places using invariants and state equation in 563 ms returned []
Implicit Place search using SMT with State Equation took 1125 ms to find 0 implicit places.
Running 576 sub problems to find dead transitions.
[2026-05-27 08:03:23] [INFO ] Flow matrix only has 416 transitions (discarded 168 similar events)
[2026-05-27 08:03:23] [INFO ] Invariant cache hit.
[2026-05-27 08:03:23] [INFO ] State equation strengthened by 112 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/266 variables, 82/82 constraints. Problems are: Problem set: 0 solved, 576 unsolved
Problem TDEAD8 is UNSAT
Problem TDEAD9 is UNSAT
Problem TDEAD10 is UNSAT
Problem TDEAD11 is UNSAT
Problem TDEAD12 is UNSAT
Problem TDEAD13 is UNSAT
Problem TDEAD14 is UNSAT
Problem TDEAD15 is UNSAT
Problem TDEAD88 is UNSAT
Problem TDEAD97 is UNSAT
Problem TDEAD106 is UNSAT
Problem TDEAD8 is UNSAT
Problem TDEAD9 is UNSAT
Problem TDEAD10 is UNSAT
Problem TDEAD11 is UNSAT
Problem TDEAD12 is UNSAT
Problem TDEAD13 is UNSAT
Problem TDEAD14 is UNSAT
Problem TDEAD15 is UNSAT
Problem TDEAD88 is UNSAT
Problem TDEAD97 is UNSAT
Problem TDEAD106 is UNSAT
Problem TDEAD115 is UNSAT
Problem TDEAD142 is UNSAT
Problem TDEAD151 is UNSAT
Problem TDEAD192 is UNSAT
Problem TDEAD201 is UNSAT
Problem TDEAD210 is UNSAT
Problem TDEAD219 is UNSAT
Problem TDEAD246 is UNSAT
Problem TDEAD255 is UNSAT
Problem TDEAD257 is UNSAT
Problem TDEAD260 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/266 variables, 20/102 constraints. Problems are: Problem set: 22 solved, 554 unsolved
Problem TDEAD124 is UNSAT
Problem TDEAD133 is UNSAT
Problem TDEAD152 is UNSAT
Problem TDEAD153 is UNSAT
Problem TDEAD154 is UNSAT
Problem TDEAD155 is UNSAT
Problem TDEAD156 is UNSAT
Problem TDEAD157 is UNSAT
Problem TDEAD158 is UNSAT
Problem TDEAD159 is UNSAT
Problem TDEAD124 is UNSAT
Problem TDEAD133 is UNSAT
Problem TDEAD152 is UNSAT
Problem TDEAD153 is UNSAT
Problem TDEAD154 is UNSAT
Problem TDEAD155 is UNSAT
Problem TDEAD156 is UNSAT
Problem TDEAD157 is UNSAT
Problem TDEAD158 is UNSAT
Problem TDEAD159 is UNSAT
Problem TDEAD228 is UNSAT
Problem TDEAD237 is UNSAT
Problem TDEAD258 is UNSAT
Problem TDEAD259 is UNSAT
Problem TDEAD261 is UNSAT
Problem TDEAD262 is UNSAT
Problem TDEAD263 is UNSAT
Problem TDEAD320 is UNSAT
Problem TDEAD321 is UNSAT
Problem TDEAD322 is UNSAT
Problem TDEAD323 is UNSAT
Problem TDEAD324 is UNSAT
Problem TDEAD325 is UNSAT
Problem TDEAD326 is UNSAT
Problem TDEAD327 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/266 variables, 20/122 constraints. Problems are: Problem set: 47 solved, 529 unsolved
Problem TDEAD256 is UNSAT
Problem TDEAD256 is UNSAT
At refinement iteration 3 (INCLUDED_ONLY) 0/266 variables, 20/142 constraints. Problems are: Problem set: 48 solved, 528 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 266/682 variables, and 142 constraints, problems are : Problem set: 48 solved, 528 unsolved in 30042 ms.
Refiners :[Positive P Invariants (semi-flows): 82/82 constraints, State Equation: 0/266 constraints, ReadFeed: 0/112 constraints, PredecessorRefiner: 576/576 constraints, Known Traps: 60/60 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 48 solved, 528 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/258 variables, 10/10 constraints. Problems are: Problem set: 48 solved, 528 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/258 variables, 31/41 constraints. Problems are: Problem set: 48 solved, 528 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/258 variables, 0/41 constraints. Problems are: Problem set: 48 solved, 528 unsolved
At refinement iteration 3 (OVERLAPS) 8/266 variables, 72/113 constraints. Problems are: Problem set: 48 solved, 528 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/266 variables, 29/142 constraints. Problems are: Problem set: 48 solved, 528 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/266 variables, 20/162 constraints. Problems are: Problem set: 48 solved, 528 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/266 variables, 20/182 constraints. Problems are: Problem set: 48 solved, 528 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/266 variables, 20/202 constraints. Problems are: Problem set: 48 solved, 528 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 266/682 variables, and 203 constraints, problems are : Problem set: 48 solved, 528 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 82/82 constraints, State Equation: 0/266 constraints, ReadFeed: 0/112 constraints, PredecessorRefiner: 0/576 constraints, Known Traps: 121/121 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60708ms problems are : Problem set: 48 solved, 528 unsolved
Search for dead transitions found 48 dead transitions in 60746ms
Found 48 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 48 transitions
Dead transitions reduction (with SMT) removed 48 transitions
Starting structural reductions in LTL mode, iteration 1 : 266/266 places, 536/584 transitions.
Applied a total of 0 rules in 5 ms. Remains 266 /266 variables (removed 0) and now considering 536/536 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 61983 ms. Remains : 266/266 places, 536/584 transitions.
Starting structural reductions in LTL mode, iteration 0 : 266/266 places, 536/536 transitions.
Applied a total of 0 rules in 4 ms. Remains 266 /266 variables (removed 0) and now considering 536/536 (removed 0) transitions.
[2026-05-27 08:04:24] [INFO ] Flow matrix only has 384 transitions (discarded 152 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2228190043682643092.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9502001406176657626.kers'
[2026-05-27 08:04:24] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2228190043682643092.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9502001406176657626.kers]
Culling duplicate invariants (modulo rational): removing 8 columns.
Culled 8 columns in 0 ms.
// Phase 1: matrix 384 rows 258 cols 1312 entries
Finished phase 1 with 184 SingleSign rule and 0 generalized
[2026-05-27 08:04:24] [INFO ] Computed 82 invariants in 2 ms
Computed 82 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-9502001406176657626.kers
Total runtime 3 ms.
[2026-05-27 08:04:24] [INFO ] Implicit Places using invariants in 132 ms returned []
[2026-05-27 08:04:24] [INFO ] Flow matrix only has 384 transitions (discarded 152 similar events)
[2026-05-27 08:04:24] [INFO ] Invariant cache hit.
[2026-05-27 08:04:24] [INFO ] State equation strengthened by 104 read => feed constraints.
[2026-05-27 08:04:24] [INFO ] Implicit Places using invariants and state equation in 305 ms returned []
Implicit Place search using SMT with State Equation took 442 ms to find 0 implicit places.
Running 528 sub problems to find dead transitions.
[2026-05-27 08:04:24] [INFO ] Flow matrix only has 384 transitions (discarded 152 similar events)
[2026-05-27 08:04:24] [INFO ] Invariant cache hit.
[2026-05-27 08:04:24] [INFO ] State equation strengthened by 104 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/258 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 528 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/258 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 528 unsolved
At refinement iteration 2 (OVERLAPS) 8/266 variables, 72/82 constraints. Problems are: Problem set: 0 solved, 528 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/266 variables, 20/102 constraints. Problems are: Problem set: 0 solved, 528 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/266 variables, 20/122 constraints. Problems are: Problem set: 0 solved, 528 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 266/650 variables, and 137 constraints, problems are : Problem set: 0 solved, 528 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 82/82 constraints, State Equation: 0/266 constraints, ReadFeed: 0/104 constraints, PredecessorRefiner: 528/528 constraints, Known Traps: 55/55 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 528 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/258 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 528 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/258 variables, 29/39 constraints. Problems are: Problem set: 0 solved, 528 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/258 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 528 unsolved
At refinement iteration 3 (OVERLAPS) 8/266 variables, 72/111 constraints. Problems are: Problem set: 0 solved, 528 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/266 variables, 26/137 constraints. Problems are: Problem set: 0 solved, 528 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/266 variables, 20/157 constraints. Problems are: Problem set: 0 solved, 528 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/266 variables, 20/177 constraints. Problems are: Problem set: 0 solved, 528 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/266 variables, 20/197 constraints. Problems are: Problem set: 0 solved, 528 unsolved
SMT process timed out in 60319ms, After SMT, problems are : Problem set: 0 solved, 528 unsolved
Search for dead transitions found 0 dead transitions in 60322ms
Finished structural reductions in LTL mode , in 1 iterations and 60771 ms. Remains : 266/266 places, 536/536 transitions.
Support contains 242 out of 266 places after structural reductions.
[2026-05-27 08:05:25] [INFO ] Flatten gal took : 157 ms
[2026-05-27 08:05:25] [INFO ] Flatten gal took : 87 ms
[2026-05-27 08:05:25] [INFO ] Input system was already deterministic with 536 transitions.
RANDOM walk for 8635 steps (0 resets) in 732 ms. (11 steps per ms) remains 0/13 properties
FORMULA LamportFastMutEx-COL-8-LTLFireability-06 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 1 stabilizing places and 8 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G(p0))))'
Support contains 24 out of 266 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 266/266 places, 536/536 transitions.
Applied a total of 0 rules in 22 ms. Remains 266 /266 variables (removed 0) and now considering 536/536 (removed 0) transitions.
[2026-05-27 08:05:26] [INFO ] Flow matrix only has 384 transitions (discarded 152 similar events)
[2026-05-27 08:05:26] [INFO ] Invariant cache hit.
[2026-05-27 08:05:27] [INFO ] Implicit Places using invariants in 537 ms returned [162, 163, 164, 165, 166, 167, 168, 169]
Discarding 8 places :
Implicit Place search using SMT only with invariants took 542 ms to find 8 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 258/266 places, 536/536 transitions.
Applied a total of 0 rules in 18 ms. Remains 258 /258 variables (removed 0) and now considering 536/536 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 582 ms. Remains : 258/266 places, 536/536 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(G(p0))))'
Stuttering acceptance computed with spot in 258 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : LamportFastMutEx-COL-8-LTLFireability-00
Entered a terminal (fully accepting) state of product in 26 steps with 0 reset in 2 ms.
FORMULA LamportFastMutEx-COL-8-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property LamportFastMutEx-COL-8-LTLFireability-00 finished in 926 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((!p0 U G(p1)))'
Support contains 26 out of 266 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 266/266 places, 536/536 transitions.
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 1 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 0 with 16 rules applied. Total rules applied 16 place count 258 transition count 528
Applied a total of 16 rules in 62 ms. Remains 258 /266 variables (removed 8) and now considering 528/536 (removed 8) transitions.
[2026-05-27 08:05:27] [INFO ] Flow matrix only has 376 transitions (discarded 152 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15644224894512151068.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7247125967810638267.kers'
[2026-05-27 08:05:27] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15644224894512151068.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7247125967810638267.kers]
Culling duplicate invariants (modulo rational): removing 8 columns.
Culled 8 columns in 0 ms.
// Phase 1: matrix 376 rows 250 cols 1296 entries
Finished phase 1 with 176 SingleSign rule and 0 generalized
[2026-05-27 08:05:27] [INFO ] Computed 82 invariants in 2 ms
Computed 82 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-7247125967810638267.kers
Total runtime 2 ms.
[2026-05-27 08:05:28] [INFO ] Implicit Places using invariants in 593 ms returned [154, 155, 156, 157, 158, 159, 160, 161]
Discarding 8 places :
Implicit Place search using SMT only with invariants took 595 ms to find 8 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 250/266 places, 528/536 transitions.
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 8 Pre rules applied. Total rules applied 0 place count 250 transition count 520
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 0 with 16 rules applied. Total rules applied 16 place count 242 transition count 520
Applied a total of 16 rules in 42 ms. Remains 242 /250 variables (removed 8) and now considering 520/528 (removed 8) transitions.
[2026-05-27 08:05:28] [INFO ] Flow matrix only has 368 transitions (discarded 152 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13683841867830436043.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10688520335017896279.kers'
[2026-05-27 08:05:28] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13683841867830436043.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10688520335017896279.kers]
Culling duplicate invariants (modulo rational): removing 8 columns.
Culled 8 columns in 0 ms.
// Phase 1: matrix 368 rows 234 cols 1320 entries
Finished phase 1 with 168 SingleSign rule and 0 generalized
[2026-05-27 08:05:28] [INFO ] Computed 74 invariants in 2 ms
Computed 74 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-10688520335017896279.kers
Total runtime 3 ms.
[2026-05-27 08:05:28] [INFO ] Implicit Places using invariants in 291 ms returned []
[2026-05-27 08:05:28] [INFO ] Flow matrix only has 368 transitions (discarded 152 similar events)
[2026-05-27 08:05:28] [INFO ] Invariant cache hit.
[2026-05-27 08:05:28] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-27 08:05:29] [INFO ] Implicit Places using invariants and state equation in 674 ms returned []
Implicit Place search using SMT with State Equation took 968 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 242/266 places, 520/536 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1668 ms. Remains : 242/266 places, 520/536 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((!p0 U G(p1)))'
Stuttering acceptance computed with spot in 96 ms :[(NOT p1), true, (NOT p1)]
Running random walk in product with property : LamportFastMutEx-COL-8-LTLFireability-02
Entered a terminal (fully accepting) state of product in 5 steps with 0 reset in 1 ms.
FORMULA LamportFastMutEx-COL-8-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property LamportFastMutEx-COL-8-LTLFireability-02 finished in 1796 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)) U (X(X(G(!p0)))||(G(p1)&&X(X(!p0)))))))'
Support contains 32 out of 266 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 266/266 places, 536/536 transitions.
Applied a total of 0 rules in 5 ms. Remains 266 /266 variables (removed 0) and now considering 536/536 (removed 0) transitions.
[2026-05-27 08:05:29] [INFO ] Flow matrix only has 384 transitions (discarded 152 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8499687275275767349.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13843862951676896699.kers'
[2026-05-27 08:05:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8499687275275767349.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13843862951676896699.kers]
Culling duplicate invariants (modulo rational): removing 8 columns.
Culled 8 columns in 0 ms.
// Phase 1: matrix 384 rows 258 cols 1312 entries
Finished phase 1 with 184 SingleSign rule and 0 generalized
[2026-05-27 08:05:29] [INFO ] Computed 82 invariants in 1 ms
Computed 82 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-13843862951676896699.kers
Total runtime 2 ms.
[2026-05-27 08:05:29] [INFO ] Implicit Places using invariants in 292 ms returned [162, 163, 164, 165, 166, 167, 168, 169]
Discarding 8 places :
Implicit Place search using SMT only with invariants took 294 ms to find 8 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 258/266 places, 536/536 transitions.
Applied a total of 0 rules in 7 ms. Remains 258 /258 variables (removed 0) and now considering 536/536 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 307 ms. Remains : 258/266 places, 536/536 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(!p0)) U (X(X(G(!p0)))||(G(p1)&&X(X(!p0)))))))'
Stuttering acceptance computed with spot in 348 ms :[p0, p0, p0, (AND (NOT p1) p0), p0, (AND p0 (NOT p1)), true, (AND (NOT p1) p0), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : LamportFastMutEx-COL-8-LTLFireability-03
Product exploration explored 100000 steps with 20030 reset in 1152 ms.
Product exploration explored 100000 steps with 19970 reset in 988 ms.
Computed a total of 1 stabilizing places and 8 stable transitions
Computed a total of 1 stabilizing places and 8 stable transitions
Knowledge based reduction with 13 factoid took 128 ms. Reduced automaton from 9 states, 21 edges and 2 AP (stutter sensitive) to 9 states, 21 edges and 2 AP (stutter sensitive).
RANDOM walk for 4100 steps (0 resets) in 120 ms. (33 steps per ms) remains 0/6 properties
Negative knowledge disproves property using: (G (OR (NOT p0) p1))
Knowledge based reduction with 13 factoid took 106 ms. Proved property starting from automaton with 9 states, 21 edges and 2 AP (stutter sensitive
Knowledge-based reduction took 332 ms.
FORMULA LamportFastMutEx-COL-8-LTLFireability-03 FALSE TECHNIQUES NEGATIVE_KNOWLEDGE
Treatment of property LamportFastMutEx-COL-8-LTLFireability-03 finished in 3182 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 ((F(p0) U X(p1))&&(F(G(p2))||G(p3)))))'
Support contains 105 out of 266 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 266/266 places, 536/536 transitions.
Applied a total of 0 rules in 5 ms. Remains 266 /266 variables (removed 0) and now considering 536/536 (removed 0) transitions.
[2026-05-27 08:05:32] [INFO ] Flow matrix only has 384 transitions (discarded 152 similar events)
[2026-05-27 08:05:32] [INFO ] Invariant cache hit.
[2026-05-27 08:05:32] [INFO ] Implicit Places using invariants in 227 ms returned []
[2026-05-27 08:05:32] [INFO ] Flow matrix only has 384 transitions (discarded 152 similar events)
[2026-05-27 08:05:32] [INFO ] Invariant cache hit.
[2026-05-27 08:05:32] [INFO ] State equation strengthened by 104 read => feed constraints.
[2026-05-27 08:05:33] [INFO ] Implicit Places using invariants and state equation in 668 ms returned []
Implicit Place search using SMT with State Equation took 898 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 905 ms. Remains : 266/266 places, 536/536 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 ((F(p0) U X(p1))&&(F(G(p2))||G(p3)))))'
Stuttering acceptance computed with spot in 586 ms :[(OR (NOT p1) (AND (NOT p2) (NOT p3))), (NOT p2), (AND (NOT p2) (NOT p3)), (AND (NOT p0) (NOT p1)), (NOT p1), (OR (AND (NOT p2) (NOT p3)) (AND (NOT p1) (NOT p2))), (AND (NOT p2) (NOT p3)), (NOT p0), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : LamportFastMutEx-COL-8-LTLFireability-04
Product exploration explored 100000 steps with 1 reset in 498 ms.
Stack based approach found an accepted trace after 1288 steps with 0 reset with depth 1289 and stack size 1289 in 9 ms.
FORMULA LamportFastMutEx-COL-8-LTLFireability-04 FALSE TECHNIQUES STACK_TEST
Treatment of property LamportFastMutEx-COL-8-LTLFireability-04 finished in 2090 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 25 out of 266 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 266/266 places, 536/536 transitions.
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 0 with 16 rules applied. Total rules applied 16 place count 258 transition count 528
Applied a total of 16 rules in 31 ms. Remains 258 /266 variables (removed 8) and now considering 528/536 (removed 8) transitions.
[2026-05-27 08:05:34] [INFO ] Flow matrix only has 376 transitions (discarded 152 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15024823825758376521.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14416263467120655149.kers'
[2026-05-27 08:05:34] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15024823825758376521.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14416263467120655149.kers]
Culling duplicate invariants (modulo rational): removing 8 columns.
Culled 8 columns in 0 ms.
// Phase 1: matrix 376 rows 250 cols 1296 entries
Finished phase 1 with 176 SingleSign rule and 0 generalized
[2026-05-27 08:05:34] [INFO ] Computed 82 invariants in 7 ms
Computed 82 P flows in 8 ms.
Exported basis to /tmp/petrispot-output-14416263467120655149.kers
Total runtime 9 ms.
[2026-05-27 08:05:34] [INFO ] Implicit Places using invariants in 393 ms returned [154, 155, 156, 157, 158, 159, 160, 161]
Discarding 8 places :
Implicit Place search using SMT only with invariants took 395 ms to find 8 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 250/266 places, 528/536 transitions.
Applied a total of 0 rules in 29 ms. Remains 250 /250 variables (removed 0) and now considering 528/528 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 455 ms. Remains : 250/266 places, 528/536 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 : LamportFastMutEx-COL-8-LTLFireability-07
Product exploration explored 100000 steps with 1928 reset in 1135 ms.
Product exploration explored 100000 steps with 1924 reset in 1066 ms.
Computed a total of 1 stabilizing places and 8 stable transitions
Computed a total of 1 stabilizing places and 8 stable transitions
Knowledge based reduction with 3 factoid took 68 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 216 steps (0 resets) in 9 ms. (21 steps per ms) remains 0/1 properties
Knowledge based reduction with 3 factoid took 79 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 48 ms :[(NOT p0)]
[2026-05-27 08:05:37] [INFO ] Flow matrix only has 376 transitions (discarded 152 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3129635587153132210.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10446044183228430845.kers'
[2026-05-27 08:05:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3129635587153132210.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10446044183228430845.kers]
Culling duplicate invariants (modulo rational): removing 8 columns.
Culled 8 columns in 0 ms.
// Phase 1: matrix 376 rows 242 cols 1280 entries
Finished phase 1 with 176 SingleSign rule and 0 generalized
[2026-05-27 08:05:37] [INFO ] Computed 74 invariants in 3 ms
Computed 74 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-10446044183228430845.kers
Total runtime 5 ms.
[2026-05-27 08:05:38] [INFO ] [Real]Absence check using 74 positive place invariants in 83 ms returned sat
[2026-05-27 08:05:39] [INFO ] [Real]Absence check using state equation in 526 ms returned sat
[2026-05-27 08:05:39] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 08:05:40] [INFO ] [Nat]Absence check using 74 positive place invariants in 110 ms returned sat
[2026-05-27 08:05:41] [INFO ] [Nat]Absence check using state equation in 713 ms returned sat
[2026-05-27 08:05:41] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-27 08:05:41] [INFO ] [Nat]Added 40 Read/Feed constraints in 26 ms returned sat
[2026-05-27 08:05:44] [INFO ] Trap strengthening (SAT) tested/added 11/10 trap constraints in 2633 ms
[2026-05-27 08:05:44] [INFO ] Computed and/alt/rep : 264/1504/264 causal constraints (skipped 104 transitions) in 58 ms.
[2026-05-27 08:05:47] [INFO ] Added : 241 causal constraints over 49 iterations in 2913 ms. Result :sat
Could not prove EG (NOT p0)
Knowledge-based reduction took 9968 ms.
Stuttering acceptance computed with spot in 53 ms :[(NOT p0)]
Support contains 25 out of 250 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 250/250 places, 528/528 transitions.
Applied a total of 0 rules in 25 ms. Remains 250 /250 variables (removed 0) and now considering 528/528 (removed 0) transitions.
[2026-05-27 08:05:47] [INFO ] Flow matrix only has 376 transitions (discarded 152 similar events)
[2026-05-27 08:05:47] [INFO ] Invariant cache hit.
[2026-05-27 08:05:47] [INFO ] Implicit Places using invariants in 452 ms returned []
[2026-05-27 08:05:47] [INFO ] Flow matrix only has 376 transitions (discarded 152 similar events)
[2026-05-27 08:05:47] [INFO ] Invariant cache hit.
[2026-05-27 08:05:48] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-27 08:05:48] [INFO ] Implicit Places using invariants and state equation in 891 ms returned []
Implicit Place search using SMT with State Equation took 1345 ms to find 0 implicit places.
[2026-05-27 08:05:48] [INFO ] Redundant transitions in 50 ms returned []
Running 520 sub problems to find dead transitions.
[2026-05-27 08:05:48] [INFO ] Flow matrix only has 376 transitions (discarded 152 similar events)
[2026-05-27 08:05:48] [INFO ] Invariant cache hit.
[2026-05-27 08:05:48] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/242 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/242 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 2 (OVERLAPS) 8/250 variables, 64/74 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/250 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/250 variables, 20/114 constraints. Problems are: Problem set: 0 solved, 520 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 250/626 variables, and 114 constraints, problems are : Problem set: 0 solved, 520 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 74/74 constraints, State Equation: 0/250 constraints, ReadFeed: 0/40 constraints, PredecessorRefiner: 520/520 constraints, Known Traps: 40/40 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 520 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/242 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/242 variables, 23/33 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 3 (OVERLAPS) 8/250 variables, 64/97 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/250 variables, 17/114 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/250 variables, 20/134 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/250 variables, 20/154 constraints. Problems are: Problem set: 0 solved, 520 unsolved
SMT process timed out in 60274ms, After SMT, problems are : Problem set: 0 solved, 520 unsolved
Search for dead transitions found 0 dead transitions in 60278ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 61710 ms. Remains : 250/250 places, 528/528 transitions.
Computed a total of 1 stabilizing places and 8 stable transitions
Computed a total of 1 stabilizing places and 8 stable transitions
Knowledge based reduction with 3 factoid took 71 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 159 steps (0 resets) in 8 ms. (17 steps per ms) remains 0/1 properties
Knowledge based reduction with 3 factoid took 82 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 52 ms :[(NOT p0)]
[2026-05-27 08:06:49] [INFO ] Flow matrix only has 376 transitions (discarded 152 similar events)
[2026-05-27 08:06:49] [INFO ] Invariant cache hit.
[2026-05-27 08:06:50] [INFO ] [Real]Absence check using 74 positive place invariants in 83 ms returned sat
[2026-05-27 08:06:51] [INFO ] [Real]Absence check using state equation in 510 ms returned sat
[2026-05-27 08:06:51] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 08:06:52] [INFO ] [Nat]Absence check using 74 positive place invariants in 114 ms returned sat
[2026-05-27 08:06:53] [INFO ] [Nat]Absence check using state equation in 747 ms returned sat
[2026-05-27 08:06:53] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-27 08:06:53] [INFO ] [Nat]Added 40 Read/Feed constraints in 41 ms returned sat
[2026-05-27 08:06:55] [INFO ] Trap strengthening (SAT) tested/added 11/10 trap constraints in 2625 ms
[2026-05-27 08:06:56] [INFO ] Computed and/alt/rep : 264/1504/264 causal constraints (skipped 104 transitions) in 53 ms.
[2026-05-27 08:06:59] [INFO ] Added : 241 causal constraints over 49 iterations in 3749 ms. Result :sat
Could not prove EG (NOT p0)
Knowledge-based reduction took 10843 ms.
Stuttering acceptance computed with spot in 53 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 49 ms :[(NOT p0)]
Product exploration explored 100000 steps with 1903 reset in 1360 ms.
Product exploration explored 100000 steps with 1928 reset in 1142 ms.
Built C files in :
/tmp/ltsmin9414228156414897106
[2026-05-27 08:07:02] [INFO ] Computing symmetric may disable matrix : 528 transitions.
[2026-05-27 08:07:02] [INFO ] Computation of Complete disable matrix. took 4 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-27 08:07:02] [INFO ] Computing symmetric may enable matrix : 528 transitions.
[2026-05-27 08:07:02] [INFO ] Computation of Complete enable matrix. took 8 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-27 08:07:02] [INFO ] Computing Do-Not-Accords matrix : 528 transitions.
[2026-05-27 08:07:02] [INFO ] Computation of Completed DNA matrix. took 31 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-27 08:07:02] [INFO ] Built C files in 240ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin9414228156414897106
Running compilation step : cd /tmp/ltsmin9414228156414897106;'/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'
Compilation finished in 2508 ms.
Running link step : cd /tmp/ltsmin9414228156414897106;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 97 ms.
Running LTSmin : cd /tmp/ltsmin9414228156414897106;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased9792674822608323932.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 25 out of 250 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 250/250 places, 528/528 transitions.
Applied a total of 0 rules in 17 ms. Remains 250 /250 variables (removed 0) and now considering 528/528 (removed 0) transitions.
[2026-05-27 08:07:17] [INFO ] Flow matrix only has 376 transitions (discarded 152 similar events)
[2026-05-27 08:07:17] [INFO ] Invariant cache hit.
[2026-05-27 08:07:17] [INFO ] Implicit Places using invariants in 254 ms returned []
[2026-05-27 08:07:17] [INFO ] Flow matrix only has 376 transitions (discarded 152 similar events)
[2026-05-27 08:07:17] [INFO ] Invariant cache hit.
[2026-05-27 08:07:17] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-27 08:07:18] [INFO ] Implicit Places using invariants and state equation in 787 ms returned []
Implicit Place search using SMT with State Equation took 1044 ms to find 0 implicit places.
[2026-05-27 08:07:18] [INFO ] Redundant transitions in 23 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1096 ms. Remains : 250/250 places, 528/528 transitions.
Built C files in :
/tmp/ltsmin7544640263852196601
[2026-05-27 08:07:18] [INFO ] Computing symmetric may disable matrix : 528 transitions.
[2026-05-27 08:07:18] [INFO ] Computation of Complete disable matrix. took 6 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-27 08:07:18] [INFO ] Computing symmetric may enable matrix : 528 transitions.
[2026-05-27 08:07:18] [INFO ] Computation of Complete enable matrix. took 5 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-27 08:07:18] [INFO ] Computing Do-Not-Accords matrix : 528 transitions.
[2026-05-27 08:07:18] [INFO ] Computation of Completed DNA matrix. took 10 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-27 08:07:18] [INFO ] Built C files in 140ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin7544640263852196601
Running compilation step : cd /tmp/ltsmin7544640263852196601;'/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'
Compilation finished in 2272 ms.
Running link step : cd /tmp/ltsmin7544640263852196601;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 45 ms.
Running LTSmin : cd /tmp/ltsmin7544640263852196601;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased4325405737027584329.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2026-05-27 08:07:33] [INFO ] Flatten gal took : 42 ms
[2026-05-27 08:07:33] [INFO ] Flatten gal took : 37 ms
[2026-05-27 08:07:33] [INFO ] Time to serialize gal into /tmp/LTL947476690871029906.gal : 9 ms
[2026-05-27 08:07:33] [INFO ] Time to serialize properties into /tmp/LTL18136582761991689156.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/LTL947476690871029906.gal' '-t' 'CGAL' '-hoa' '/tmp/aut16856571297870212031.hoa' '-atoms' '/tmp/LTL18136582761991689156.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/LTL18136582761991689156.prop.
Loaded 1 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut16856571297870212031.hoa
Detected timeout of ITS tools.
[2026-05-27 08:07:48] [INFO ] Flatten gal took : 35 ms
[2026-05-27 08:07:48] [INFO ] Flatten gal took : 46 ms
[2026-05-27 08:07:48] [INFO ] Time to serialize gal into /tmp/LTL18277181931120598816.gal : 6 ms
[2026-05-27 08:07:48] [INFO ] Time to serialize properties into /tmp/LTL13991709304468769148.ltl : 8 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/LTL18277181931120598816.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL13991709304468769148.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...277
Read 1 LTL properties
Checking formula 0 : !((F("((((((((((y_8>=1)&&(P_CS_21_5>=1))||((y_3>=1)&&(P_CS_21_2>=1)))||(((y_8>=1)&&(P_CS_21_7>=1))||((y_3>=1)&&(P_CS_21_4>=1))))||((((...4235
Formula 0 simplified : G!"((((((((((y_8>=1)&&(P_CS_21_5>=1))||((y_3>=1)&&(P_CS_21_2>=1)))||(((y_8>=1)&&(P_CS_21_7>=1))||((y_3>=1)&&(P_CS_21_4>=1))))||((((y...4231
Detected timeout of ITS tools.
[2026-05-27 08:08:04] [INFO ] Flatten gal took : 27 ms
[2026-05-27 08:08:04] [INFO ] Applying decomposition
[2026-05-27 08:08:04] [INFO ] Flatten gal took : 26 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/graph14045295835664630847.txt' '-o' '/tmp/graph14045295835664630847.bin' '-w' '/tmp/graph14045295835664630847.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph14045295835664630847.bin' '-l' '-1' '-v' '-w' '/tmp/graph14045295835664630847.weights' '-q' '0' '-e' '0.001'
[2026-05-27 08:08:04] [INFO ] Decomposing Gal with order
[2026-05-27 08:08:04] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-27 08:08:04] [INFO ] Removed a total of 825 redundant transitions.
[2026-05-27 08:08:04] [INFO ] Flatten gal took : 127 ms
[2026-05-27 08:08:04] [INFO ] Fuse similar labels procedure discarded/fused a total of 41 labels/synchronizations in 47 ms.
[2026-05-27 08:08:04] [INFO ] Time to serialize gal into /tmp/LTL1192350541310728830.gal : 25 ms
[2026-05-27 08:08:04] [INFO ] Time to serialize properties into /tmp/LTL9943746876047761073.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/LTL1192350541310728830.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL9943746876047761073.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...254
Read 1 LTL properties
Checking formula 0 : !((F("((((((((((i12.u103.y_8>=1)&&(i4.u98.P_CS_21_5>=1))||((u20.y_3>=1)&&(i12.u97.P_CS_21_2>=1)))||(((i12.u103.y_8>=1)&&(i13.u100.P_CS...6086
Formula 0 simplified : G!"((((((((((i12.u103.y_8>=1)&&(i4.u98.P_CS_21_5>=1))||((u20.y_3>=1)&&(i12.u97.P_CS_21_2>=1)))||(((i12.u103.y_8>=1)&&(i13.u100.P_CS_...6082
Detected timeout of ITS tools.
Treatment of property LamportFastMutEx-COL-8-LTLFireability-07 finished in 165185 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 80 out of 266 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 266/266 places, 536/536 transitions.
Applied a total of 0 rules in 23 ms. Remains 266 /266 variables (removed 0) and now considering 536/536 (removed 0) transitions.
[2026-05-27 08:08:19] [INFO ] Flow matrix only has 384 transitions (discarded 152 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5717064371934795940.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15783967420467910854.kers'
[2026-05-27 08:08:19] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5717064371934795940.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15783967420467910854.kers]
Culling duplicate invariants (modulo rational): removing 8 columns.
Culled 8 columns in 0 ms.
// Phase 1: matrix 384 rows 258 cols 1312 entries
Finished phase 1 with 184 SingleSign rule and 0 generalized
[2026-05-27 08:08:19] [INFO ] Computed 82 invariants in 2 ms
Computed 82 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-15783967420467910854.kers
Total runtime 2 ms.
[2026-05-27 08:08:19] [INFO ] Implicit Places using invariants in 290 ms returned []
[2026-05-27 08:08:19] [INFO ] Flow matrix only has 384 transitions (discarded 152 similar events)
[2026-05-27 08:08:19] [INFO ] Invariant cache hit.
[2026-05-27 08:08:20] [INFO ] State equation strengthened by 104 read => feed constraints.
[2026-05-27 08:08:20] [INFO ] Implicit Places using invariants and state equation in 629 ms returned []
Implicit Place search using SMT with State Equation took 929 ms to find 0 implicit places.
[2026-05-27 08:08:20] [INFO ] Redundant transitions in 11 ms returned []
Running 528 sub problems to find dead transitions.
[2026-05-27 08:08:20] [INFO ] Flow matrix only has 384 transitions (discarded 152 similar events)
[2026-05-27 08:08:20] [INFO ] Invariant cache hit.
[2026-05-27 08:08:20] [INFO ] State equation strengthened by 104 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/258 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 528 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/258 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 528 unsolved
At refinement iteration 2 (OVERLAPS) 8/266 variables, 72/82 constraints. Problems are: Problem set: 0 solved, 528 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/266 variables, 20/102 constraints. Problems are: Problem set: 0 solved, 528 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/266 variables, 20/122 constraints. Problems are: Problem set: 0 solved, 528 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 266/650 variables, and 122 constraints, problems are : Problem set: 0 solved, 528 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 82/82 constraints, State Equation: 0/266 constraints, ReadFeed: 0/104 constraints, PredecessorRefiner: 528/528 constraints, Known Traps: 40/40 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 528 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/258 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 528 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/258 variables, 21/31 constraints. Problems are: Problem set: 0 solved, 528 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/258 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 528 unsolved
At refinement iteration 3 (OVERLAPS) 8/266 variables, 72/103 constraints. Problems are: Problem set: 0 solved, 528 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/266 variables, 19/122 constraints. Problems are: Problem set: 0 solved, 528 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/266 variables, 20/142 constraints. Problems are: Problem set: 0 solved, 528 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/266 variables, 20/162 constraints. Problems are: Problem set: 0 solved, 528 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/266 variables, 20/182 constraints. Problems are: Problem set: 0 solved, 528 unsolved
SMT process timed out in 60466ms, After SMT, problems are : Problem set: 0 solved, 528 unsolved
Search for dead transitions found 0 dead transitions in 60469ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 61446 ms. Remains : 266/266 places, 536/536 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 104 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : LamportFastMutEx-COL-8-LTLFireability-08
Product exploration explored 100000 steps with 3218 reset in 1058 ms.
Product exploration explored 100000 steps with 3240 reset in 730 ms.
Computed a total of 1 stabilizing places and 8 stable transitions
Computed a total of 1 stabilizing places and 8 stable transitions
Knowledge based reduction with 3 factoid took 46 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 136 steps (0 resets) in 5 ms. (22 steps per ms) remains 0/1 properties
Knowledge based reduction with 3 factoid took 54 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)]
[2026-05-27 08:09:23] [INFO ] Flow matrix only has 384 transitions (discarded 152 similar events)
[2026-05-27 08:09:23] [INFO ] Invariant cache hit.
[2026-05-27 08:09:24] [INFO ] [Real]Absence check using 82 positive place invariants in 113 ms returned sat
[2026-05-27 08:09:24] [INFO ] [Real]Absence check using state equation in 651 ms returned sat
[2026-05-27 08:09:24] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 08:09:25] [INFO ] [Nat]Absence check using 82 positive place invariants in 96 ms returned sat
[2026-05-27 08:09:26] [INFO ] [Nat]Absence check using state equation in 652 ms returned sat
[2026-05-27 08:09:26] [INFO ] State equation strengthened by 104 read => feed constraints.
[2026-05-27 08:09:26] [INFO ] [Nat]Added 104 Read/Feed constraints in 43 ms returned sat
[2026-05-27 08:09:30] [INFO ] Trap strengthening (SAT) tested/added 14/13 trap constraints in 4003 ms
[2026-05-27 08:09:30] [INFO ] Computed and/alt/rep : 272/1584/272 causal constraints (skipped 104 transitions) in 56 ms.
[2026-05-27 08:09:33] [INFO ] Added : 189 causal constraints over 39 iterations in 2813 ms. Result :sat
Could not prove EG (NOT p0)
Knowledge-based reduction took 10292 ms.
Stuttering acceptance computed with spot in 110 ms :[(NOT p0), (NOT p0)]
Support contains 80 out of 266 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 266/266 places, 536/536 transitions.
Applied a total of 0 rules in 20 ms. Remains 266 /266 variables (removed 0) and now considering 536/536 (removed 0) transitions.
[2026-05-27 08:09:33] [INFO ] Flow matrix only has 384 transitions (discarded 152 similar events)
[2026-05-27 08:09:33] [INFO ] Invariant cache hit.
[2026-05-27 08:09:33] [INFO ] Implicit Places using invariants in 421 ms returned []
[2026-05-27 08:09:33] [INFO ] Flow matrix only has 384 transitions (discarded 152 similar events)
[2026-05-27 08:09:33] [INFO ] Invariant cache hit.
[2026-05-27 08:09:34] [INFO ] State equation strengthened by 104 read => feed constraints.
[2026-05-27 08:09:34] [INFO ] Implicit Places using invariants and state equation in 919 ms returned []
Implicit Place search using SMT with State Equation took 1343 ms to find 0 implicit places.
[2026-05-27 08:09:34] [INFO ] Redundant transitions in 10 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1380 ms. Remains : 266/266 places, 536/536 transitions.
Computed a total of 1 stabilizing places and 8 stable transitions
Computed a total of 1 stabilizing places and 8 stable transitions
Knowledge based reduction with 3 factoid took 70 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 123 steps (0 resets) in 6 ms. (17 steps per ms) remains 0/1 properties
Knowledge based reduction with 3 factoid took 84 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 98 ms :[(NOT p0), (NOT p0)]
[2026-05-27 08:09:35] [INFO ] Flow matrix only has 384 transitions (discarded 152 similar events)
[2026-05-27 08:09:35] [INFO ] Invariant cache hit.
[2026-05-27 08:09:36] [INFO ] [Real]Absence check using 82 positive place invariants in 97 ms returned sat
[2026-05-27 08:09:36] [INFO ] [Real]Absence check using state equation in 585 ms returned sat
[2026-05-27 08:09:36] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 08:09:37] [INFO ] [Nat]Absence check using 82 positive place invariants in 62 ms returned sat
[2026-05-27 08:09:37] [INFO ] [Nat]Absence check using state equation in 391 ms returned sat
[2026-05-27 08:09:37] [INFO ] State equation strengthened by 104 read => feed constraints.
[2026-05-27 08:09:37] [INFO ] [Nat]Added 104 Read/Feed constraints in 27 ms returned sat
[2026-05-27 08:09:40] [INFO ] Trap strengthening (SAT) tested/added 14/13 trap constraints in 2428 ms
[2026-05-27 08:09:40] [INFO ] Computed and/alt/rep : 272/1584/272 causal constraints (skipped 104 transitions) in 35 ms.
[2026-05-27 08:09:42] [INFO ] Added : 189 causal constraints over 39 iterations in 1749 ms. Result :sat
Could not prove EG (NOT p0)
Knowledge-based reduction took 7367 ms.
Stuttering acceptance computed with spot in 69 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 65 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 3226 reset in 726 ms.
Product exploration explored 100000 steps with 3217 reset in 742 ms.
Built C files in :
/tmp/ltsmin6216024211376239032
[2026-05-27 08:09:43] [INFO ] Computing symmetric may disable matrix : 536 transitions.
[2026-05-27 08:09:43] [INFO ] Computation of Complete disable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-27 08:09:43] [INFO ] Computing symmetric may enable matrix : 536 transitions.
[2026-05-27 08:09:43] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-27 08:09:43] [INFO ] Computing Do-Not-Accords matrix : 536 transitions.
[2026-05-27 08:09:43] [INFO ] Computation of Completed DNA matrix. took 4 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-27 08:09:43] [INFO ] Built C files in 66ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin6216024211376239032
Running compilation step : cd /tmp/ltsmin6216024211376239032;'/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'
Compilation finished in 1933 ms.
Running link step : cd /tmp/ltsmin6216024211376239032;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 42 ms.
Running LTSmin : cd /tmp/ltsmin6216024211376239032;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased14118864440894015820.hoa' '--buchi-type=spotba'
LTSmin run took 1687 ms.
FORMULA LamportFastMutEx-COL-8-LTLFireability-08 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property LamportFastMutEx-COL-8-LTLFireability-08 finished in 87910 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(X((G(p0)&&F(G(!p1))))))))'
Support contains 24 out of 266 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 266/266 places, 536/536 transitions.
Applied a total of 0 rules in 2 ms. Remains 266 /266 variables (removed 0) and now considering 536/536 (removed 0) transitions.
[2026-05-27 08:09:47] [INFO ] Flow matrix only has 384 transitions (discarded 152 similar events)
[2026-05-27 08:09:47] [INFO ] Invariant cache hit.
[2026-05-27 08:09:47] [INFO ] Implicit Places using invariants in 376 ms returned [162, 163, 164, 165, 166, 167, 168, 169]
Discarding 8 places :
Implicit Place search using SMT only with invariants took 378 ms to find 8 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 258/266 places, 536/536 transitions.
Applied a total of 0 rules in 2 ms. Remains 258 /258 variables (removed 0) and now considering 536/536 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 382 ms. Remains : 258/266 places, 536/536 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)&&F(G(p1))))))))'
Stuttering acceptance computed with spot in 223 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true, (NOT p1)]
Running random walk in product with property : LamportFastMutEx-COL-8-LTLFireability-10
Product exploration explored 100000 steps with 0 reset in 311 ms.
Stack based approach found an accepted trace after 951 steps with 0 reset with depth 952 and stack size 952 in 4 ms.
FORMULA LamportFastMutEx-COL-8-LTLFireability-10 FALSE TECHNIQUES STACK_TEST
Treatment of property LamportFastMutEx-COL-8-LTLFireability-10 finished in 951 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 72 out of 266 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 266/266 places, 536/536 transitions.
Applied a total of 0 rules in 11 ms. Remains 266 /266 variables (removed 0) and now considering 536/536 (removed 0) transitions.
[2026-05-27 08:09:48] [INFO ] Flow matrix only has 384 transitions (discarded 152 similar events)
[2026-05-27 08:09:48] [INFO ] Invariant cache hit.
[2026-05-27 08:09:48] [INFO ] Implicit Places using invariants in 277 ms returned []
[2026-05-27 08:09:48] [INFO ] Flow matrix only has 384 transitions (discarded 152 similar events)
[2026-05-27 08:09:48] [INFO ] Invariant cache hit.
[2026-05-27 08:09:48] [INFO ] State equation strengthened by 104 read => feed constraints.
[2026-05-27 08:09:49] [INFO ] Implicit Places using invariants and state equation in 651 ms returned []
Implicit Place search using SMT with State Equation took 930 ms to find 0 implicit places.
[2026-05-27 08:09:49] [INFO ] Redundant transitions in 6 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 953 ms. Remains : 266/266 places, 536/536 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 34 ms :[(NOT p0)]
Running random walk in product with property : LamportFastMutEx-COL-8-LTLFireability-11
Product exploration explored 100000 steps with 0 reset in 428 ms.
Stack based approach found an accepted trace after 610 steps with 0 reset with depth 611 and stack size 611 in 4 ms.
FORMULA LamportFastMutEx-COL-8-LTLFireability-11 FALSE TECHNIQUES STACK_TEST
Treatment of property LamportFastMutEx-COL-8-LTLFireability-11 finished in 1443 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(!p0)&&F(!p1)&&X(F(p0)))))'
Support contains 17 out of 266 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 266/266 places, 536/536 transitions.
Applied a total of 0 rules in 14 ms. Remains 266 /266 variables (removed 0) and now considering 536/536 (removed 0) transitions.
[2026-05-27 08:09:49] [INFO ] Flow matrix only has 384 transitions (discarded 152 similar events)
[2026-05-27 08:09:49] [INFO ] Invariant cache hit.
[2026-05-27 08:09:50] [INFO ] Implicit Places using invariants in 419 ms returned [162, 163, 164, 165, 166, 167, 168, 169]
Discarding 8 places :
Implicit Place search using SMT only with invariants took 420 ms to find 8 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 258/266 places, 536/536 transitions.
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 8 Pre rules applied. Total rules applied 0 place count 258 transition count 528
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 0 with 16 rules applied. Total rules applied 16 place count 250 transition count 528
Applied a total of 16 rules in 16 ms. Remains 250 /258 variables (removed 8) and now considering 528/536 (removed 8) transitions.
[2026-05-27 08:09:50] [INFO ] Flow matrix only has 376 transitions (discarded 152 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7940482288287365202.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1033828029567181045.kers'
[2026-05-27 08:09:50] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7940482288287365202.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1033828029567181045.kers]
Culling duplicate invariants (modulo rational): removing 8 columns.
Culled 8 columns in 0 ms.
// Phase 1: matrix 376 rows 242 cols 1336 entries
Finished phase 1 with 176 SingleSign rule and 0 generalized
[2026-05-27 08:09:50] [INFO ] Computed 74 invariants in 2 ms
Computed 74 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-1033828029567181045.kers
Total runtime 3 ms.
[2026-05-27 08:09:50] [INFO ] Implicit Places using invariants in 374 ms returned []
[2026-05-27 08:09:50] [INFO ] Flow matrix only has 376 transitions (discarded 152 similar events)
[2026-05-27 08:09:50] [INFO ] Invariant cache hit.
[2026-05-27 08:09:50] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-27 08:09:51] [INFO ] Implicit Places using invariants and state equation in 748 ms returned []
Implicit Place search using SMT with State Equation took 1123 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 250/266 places, 528/536 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1573 ms. Remains : 250/266 places, 528/536 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(p0)&&F(p1)&&X(F(!p0)))))'
Stuttering acceptance computed with spot in 134 ms :[(NOT p0), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : LamportFastMutEx-COL-8-LTLFireability-12
Initial state of product has no viable successors after 0 steps with 0 reset in 0 ms.
FORMULA LamportFastMutEx-COL-8-LTLFireability-12 TRUE TECHNIQUES STUTTER_TEST
Treatment of property LamportFastMutEx-COL-8-LTLFireability-12 finished in 1745 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0) U (!p1&&X((X(!p2)&&F(!p1))))))'
Support contains 58 out of 266 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 266/266 places, 536/536 transitions.
Applied a total of 0 rules in 2 ms. Remains 266 /266 variables (removed 0) and now considering 536/536 (removed 0) transitions.
[2026-05-27 08:09:51] [INFO ] Flow matrix only has 384 transitions (discarded 152 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7511471673639141021.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12116215412491177211.kers'
[2026-05-27 08:09:51] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7511471673639141021.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12116215412491177211.kers]
Culling duplicate invariants (modulo rational): removing 8 columns.
Culled 8 columns in 0 ms.
// Phase 1: matrix 384 rows 258 cols 1312 entries
Finished phase 1 with 184 SingleSign rule and 0 generalized
[2026-05-27 08:09:51] [INFO ] Computed 82 invariants in 1 ms
Computed 82 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-12116215412491177211.kers
Total runtime 2 ms.
[2026-05-27 08:09:51] [INFO ] Implicit Places using invariants in 327 ms returned [162, 163, 164, 165, 166, 167, 168, 169]
Discarding 8 places :
Implicit Place search using SMT only with invariants took 328 ms to find 8 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 258/266 places, 536/536 transitions.
Applied a total of 0 rules in 2 ms. Remains 258 /258 variables (removed 0) and now considering 536/536 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 332 ms. Remains : 258/266 places, 536/536 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0) U (!p1&&X((X(!p2)&&F(!p1))))))'
Stuttering acceptance computed with spot in 505 ms :[(OR p2 p1), true, (NOT p0), (OR p2 p1), (OR p1 p2), p2, p1, (AND (NOT p0) p2), p2, p2]
Running random walk in product with property : LamportFastMutEx-COL-8-LTLFireability-13
Product exploration explored 100000 steps with 7542 reset in 1014 ms.
Product exploration explored 100000 steps with 7466 reset in 695 ms.
Computed a total of 1 stabilizing places and 8 stable transitions
Computed a total of 1 stabilizing places and 8 stable transitions
Knowledge based reduction with 18 factoid took 131 ms. Reduced automaton from 10 states, 29 edges and 3 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
RANDOM walk for 4 steps (0 resets) in 5 ms. (0 steps per ms) remains 0/1 properties
Knowledge based reduction with 18 factoid took 125 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 144 ms :[p1, p1, p1]
Knowledge-based reduction took 413 ms.
Stuttering acceptance computed with spot in 140 ms :[p1, p1, p1]
Support contains 17 out of 258 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 258/258 places, 536/536 transitions.
Applied a total of 0 rules in 3 ms. Remains 258 /258 variables (removed 0) and now considering 536/536 (removed 0) transitions.
[2026-05-27 08:09:54] [INFO ] Flow matrix only has 384 transitions (discarded 152 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7430413563271165487.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11078819115551387193.kers'
[2026-05-27 08:09:54] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7430413563271165487.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11078819115551387193.kers]
Culling duplicate invariants (modulo rational): removing 8 columns.
Culled 8 columns in 0 ms.
// Phase 1: matrix 384 rows 250 cols 1296 entries
Finished phase 1 with 184 SingleSign rule and 0 generalized
[2026-05-27 08:09:54] [INFO ] Computed 74 invariants in 1 ms
Computed 74 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-11078819115551387193.kers
Total runtime 3 ms.
[2026-05-27 08:09:55] [INFO ] Implicit Places using invariants in 393 ms returned []
[2026-05-27 08:09:55] [INFO ] Flow matrix only has 384 transitions (discarded 152 similar events)
[2026-05-27 08:09:55] [INFO ] Invariant cache hit.
[2026-05-27 08:09:55] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-27 08:09:56] [INFO ] Implicit Places using invariants and state equation in 831 ms returned []
Implicit Place search using SMT with State Equation took 1226 ms to find 0 implicit places.
Running 528 sub problems to find dead transitions.
[2026-05-27 08:09:56] [INFO ] Flow matrix only has 384 transitions (discarded 152 similar events)
[2026-05-27 08:09:56] [INFO ] Invariant cache hit.
[2026-05-27 08:09:56] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/250 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 528 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/250 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 528 unsolved
At refinement iteration 2 (OVERLAPS) 8/258 variables, 64/74 constraints. Problems are: Problem set: 0 solved, 528 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/258 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 528 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/258 variables, 20/114 constraints. Problems are: Problem set: 0 solved, 528 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 258/642 variables, and 123 constraints, problems are : Problem set: 0 solved, 528 unsolved in 30030 ms.
Refiners :[Positive P Invariants (semi-flows): 74/74 constraints, State Equation: 0/258 constraints, ReadFeed: 0/40 constraints, PredecessorRefiner: 528/528 constraints, Known Traps: 49/49 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 528 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/250 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 528 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/250 variables, 30/40 constraints. Problems are: Problem set: 0 solved, 528 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/250 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 528 unsolved
At refinement iteration 3 (OVERLAPS) 8/258 variables, 64/104 constraints. Problems are: Problem set: 0 solved, 528 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/258 variables, 19/123 constraints. Problems are: Problem set: 0 solved, 528 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/258 variables, 20/143 constraints. Problems are: Problem set: 0 solved, 528 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/258 variables, 20/163 constraints. Problems are: Problem set: 0 solved, 528 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 258/642 variables, and 167 constraints, problems are : Problem set: 0 solved, 528 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 74/74 constraints, State Equation: 0/258 constraints, ReadFeed: 0/40 constraints, PredecessorRefiner: 0/528 constraints, Known Traps: 93/93 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60210ms problems are : Problem set: 0 solved, 528 unsolved
Search for dead transitions found 0 dead transitions in 60212ms
Finished structural reductions in LTL mode , in 1 iterations and 61444 ms. Remains : 258/258 places, 536/536 transitions.
Computed a total of 1 stabilizing places and 8 stable transitions
Computed a total of 1 stabilizing places and 8 stable transitions
Knowledge based reduction with 1 factoid took 104 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
RANDOM walk for 4 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/1 properties
Knowledge based reduction with 1 factoid took 112 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 152 ms :[p1, p1, p1]
Knowledge-based reduction took 382 ms.
Stuttering acceptance computed with spot in 150 ms :[p1, p1, p1]
Stuttering acceptance computed with spot in 146 ms :[p1, p1, p1]
Product exploration explored 100000 steps with 4313 reset in 623 ms.
Product exploration explored 100000 steps with 4298 reset in 416 ms.
Spot run failed in 105 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/autstates.py", line 2, in
import spot
ModuleNotFoundError: No module named 'spot'
java.io.IOException
at fr.lip6.move.gal.application.runner.spot.SpotRunner.computeForwardClosedSI(SpotRunner.java:551)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.treatPartialPOR(LTLPropertySolver.java:419)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:280)
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)
Built C files in :
/tmp/ltsmin16951663797589186550
[2026-05-27 08:10:58] [INFO ] Built C files in 10ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin16951663797589186550
Running compilation step : cd /tmp/ltsmin16951663797589186550;'/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'
Compilation finished in 1521 ms.
Running link step : cd /tmp/ltsmin16951663797589186550;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 58 ms.
Running LTSmin : cd /tmp/ltsmin16951663797589186550;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--hoa' '/tmp/stateBased5866926996374453828.hoa' '--buchi-type=spotba'
LTSmin run took 65 ms.
FORMULA LamportFastMutEx-COL-8-LTLFireability-13 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property LamportFastMutEx-COL-8-LTLFireability-13 finished in 68140 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((G((X(p0) U p1)) U X(X(p2))))))'
Support contains 42 out of 266 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 266/266 places, 536/536 transitions.
Applied a total of 0 rules in 4 ms. Remains 266 /266 variables (removed 0) and now considering 536/536 (removed 0) transitions.
[2026-05-27 08:10:59] [INFO ] Flow matrix only has 384 transitions (discarded 152 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14123634201924998101.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1915031754754130046.kers'
[2026-05-27 08:10:59] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14123634201924998101.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1915031754754130046.kers]
Culling duplicate invariants (modulo rational): removing 8 columns.
Culled 8 columns in 0 ms.
// Phase 1: matrix 384 rows 258 cols 1312 entries
Finished phase 1 with 184 SingleSign rule and 0 generalized
[2026-05-27 08:10:59] [INFO ] Computed 82 invariants in 3 ms
Computed 82 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-1915031754754130046.kers
Total runtime 5 ms.
[2026-05-27 08:11:00] [INFO ] Implicit Places using invariants in 539 ms returned [162, 163, 164, 165, 166, 167, 168, 169]
Discarding 8 places :
Implicit Place search using SMT only with invariants took 541 ms to find 8 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 258/266 places, 536/536 transitions.
Applied a total of 0 rules in 3 ms. Remains 258 /258 variables (removed 0) and now considering 536/536 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 549 ms. Remains : 258/266 places, 536/536 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((G((X(p0) U p1)) U X(X(p2))))))'
Stuttering acceptance computed with spot in 730 ms :[(NOT p2), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (AND (NOT p1) (NOT p2)), (NOT p2), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p2), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (AND (NOT p1) (NOT p2)), false, false]
Running random walk in product with property : LamportFastMutEx-COL-8-LTLFireability-14
Product exploration explored 100000 steps with 12376 reset in 1333 ms.
Product exploration explored 100000 steps with 12446 reset in 1141 ms.
Computed a total of 1 stabilizing places and 8 stable transitions
Computed a total of 1 stabilizing places and 8 stable transitions
Knowledge based reduction with 8 factoid took 604 ms. Reduced automaton from 12 states, 50 edges and 3 AP (stutter sensitive) to 12 states, 50 edges and 3 AP (stutter sensitive).
RANDOM walk for 40000 steps (8 resets) in 505 ms. (79 steps per ms) remains 1/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1209 ms. (33 steps per ms) remains 1/1 properties
[2026-05-27 08:11:04] [INFO ] Flow matrix only has 384 transitions (discarded 152 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-387892045729445257.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4804253516262831919.kers'
[2026-05-27 08:11:04] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-387892045729445257.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4804253516262831919.kers]
Culling duplicate invariants (modulo rational): removing 8 columns.
Culled 8 columns in 0 ms.
// Phase 1: matrix 384 rows 250 cols 1296 entries
Finished phase 1 with 184 SingleSign rule and 0 generalized
[2026-05-27 08:11:04] [INFO ] Computed 74 invariants in 2 ms
Computed 74 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-4804253516262831919.kers
Total runtime 3 ms.
[2026-05-27 08:11:04] [INFO ] State equation strengthened by 40 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/42 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 200/242 variables, 64/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/242 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 384/626 variables, 242/308 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/626 variables, 40/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/626 variables, 0/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 16/642 variables, 16/364 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/642 variables, 8/372 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/642 variables, 0/372 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/642 variables, 0/372 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 642/642 variables, and 372 constraints, problems are : Problem set: 0 solved, 1 unsolved in 334 ms.
Refiners :[Positive P Invariants (semi-flows): 74/74 constraints, State Equation: 258/258 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/42 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 200/242 variables, 64/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/242 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 384/626 variables, 242/308 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/626 variables, 40/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/626 variables, 0/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 16/642 variables, 16/364 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/642 variables, 8/372 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/642 variables, 20/392 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SMT process timed out in 5464ms, After SMT, problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 42 out of 258 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 258/258 places, 536/536 transitions.
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 1 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 0 with 16 rules applied. Total rules applied 16 place count 250 transition count 528
Applied a total of 16 rules in 30 ms. Remains 250 /258 variables (removed 8) and now considering 528/536 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39 ms. Remains : 250/258 places, 528/536 transitions.
RANDOM walk for 40000 steps (8 resets) in 310 ms. (128 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 805 ms. (49 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 824417 steps, run timeout after 3001 ms. (steps per millisecond=274 ) properties seen :0 out of 1
Probabilistic random walk after 824417 steps, saw 412811 distinct states, run finished after 3007 ms. (steps per millisecond=274 ) properties seen :0
[2026-05-27 08:11:13] [INFO ] Flow matrix only has 376 transitions (discarded 152 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-511040187057428914.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10269521454694499224.kers'
[2026-05-27 08:11:13] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-511040187057428914.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10269521454694499224.kers]
Culling duplicate invariants (modulo rational): removing 8 columns.
Culled 8 columns in 0 ms.
// Phase 1: matrix 376 rows 242 cols 1280 entries
Finished phase 1 with 176 SingleSign rule and 0 generalized
[2026-05-27 08:11:13] [INFO ] Computed 74 invariants in 3 ms
Computed 74 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-10269521454694499224.kers
Total runtime 4 ms.
[2026-05-27 08:11:13] [INFO ] State equation strengthened by 40 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/42 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 192/234 variables, 64/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/234 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 376/610 variables, 234/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/610 variables, 40/340 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/610 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 16/626 variables, 16/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/626 variables, 8/364 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/626 variables, 0/364 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/626 variables, 0/364 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 626/626 variables, and 364 constraints, problems are : Problem set: 0 solved, 1 unsolved in 277 ms.
Refiners :[Positive P Invariants (semi-flows): 74/74 constraints, State Equation: 250/250 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/42 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 192/234 variables, 64/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/234 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 376/610 variables, 234/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/610 variables, 40/340 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/610 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 16/626 variables, 16/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/626 variables, 8/364 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/626 variables, 20/384 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/626 variables, 20/404 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/626 variables, 20/424 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem apf2 is UNSAT
After SMT solving in domain Int declared 626/626 variables, and 431 constraints, problems are : Problem set: 1 solved, 0 unsolved in 17791 ms.
Refiners :[Positive P Invariants (semi-flows): 74/74 constraints, State Equation: 250/250 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 67/67 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 18089ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge based reduction with 9 factoid took 1372 ms. Reduced automaton from 12 states, 50 edges and 3 AP (stutter sensitive) to 12 states, 49 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 650 ms :[(OR (NOT p2) (AND p0 (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND p0 (NOT p1))), (OR (AND (NOT p1) (NOT p2)) (AND p0 (NOT p1))), (OR (NOT p2) (AND p0 (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND p0 (NOT p1))), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p2), (OR (AND (NOT p0) (NOT p2)) (AND p0 (NOT p1))), (AND (NOT p1) (NOT p2)), (AND (NOT p1) p0 p2), (AND (NOT p1) p0 p2)]
[2026-05-27 08:11:33] [INFO ] Flow matrix only has 384 transitions (discarded 152 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4336300194483099185.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6093485858939920132.kers'
[2026-05-27 08:11:33] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4336300194483099185.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6093485858939920132.kers]
Culling duplicate invariants (modulo rational): removing 8 columns.
Culled 8 columns in 0 ms.
// Phase 1: matrix 384 rows 250 cols 1296 entries
Finished phase 1 with 184 SingleSign rule and 0 generalized
[2026-05-27 08:11:33] [INFO ] Computed 74 invariants in 2 ms
Computed 74 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-6093485858939920132.kers
Total runtime 4 ms.
[2026-05-27 08:11:34] [INFO ] [Real]Absence check using 74 positive place invariants in 55 ms returned sat
[2026-05-27 08:11:34] [INFO ] [Real]Absence check using state equation in 427 ms returned sat
[2026-05-27 08:11:34] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 08:11:35] [INFO ] [Nat]Absence check using 74 positive place invariants in 75 ms returned sat
[2026-05-27 08:11:36] [INFO ] [Nat]Absence check using state equation in 467 ms returned sat
[2026-05-27 08:11:36] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-27 08:11:36] [INFO ] [Nat]Added 40 Read/Feed constraints in 31 ms returned sat
[2026-05-27 08:11:36] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 334 ms
[2026-05-27 08:11:36] [INFO ] Computed and/alt/rep : 272/1512/272 causal constraints (skipped 104 transitions) in 50 ms.
[2026-05-27 08:11:40] [INFO ] Added : 240 causal constraints over 49 iterations in 3535 ms. Result :sat
Could not prove EG (NOT p2)
Knowledge-based reduction took 36687 ms.
Stuttering acceptance computed with spot in 717 ms :[(OR (NOT p2) (AND p0 (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND p0 (NOT p1))), (OR (AND (NOT p1) (NOT p2)) (AND p0 (NOT p1))), (OR (NOT p2) (AND p0 (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND p0 (NOT p1))), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p2), (OR (AND (NOT p0) (NOT p2)) (AND p0 (NOT p1))), (AND (NOT p1) (NOT p2)), (AND (NOT p1) p0 p2), (AND (NOT p1) p0 p2)]
Support contains 42 out of 258 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 258/258 places, 536/536 transitions.
Applied a total of 0 rules in 4 ms. Remains 258 /258 variables (removed 0) and now considering 536/536 (removed 0) transitions.
[2026-05-27 08:11:41] [INFO ] Flow matrix only has 384 transitions (discarded 152 similar events)
[2026-05-27 08:11:41] [INFO ] Invariant cache hit.
[2026-05-27 08:11:41] [INFO ] Implicit Places using invariants in 419 ms returned []
[2026-05-27 08:11:41] [INFO ] Flow matrix only has 384 transitions (discarded 152 similar events)
[2026-05-27 08:11:41] [INFO ] Invariant cache hit.
[2026-05-27 08:11:41] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-27 08:11:42] [INFO ] Implicit Places using invariants and state equation in 928 ms returned []
Implicit Place search using SMT with State Equation took 1349 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1361 ms. Remains : 258/258 places, 536/536 transitions.
Computed a total of 1 stabilizing places and 8 stable transitions
Computed a total of 1 stabilizing places and 8 stable transitions
Knowledge based reduction with 8 factoid took 1755 ms. Reduced automaton from 12 states, 49 edges and 3 AP (stutter sensitive) to 12 states, 49 edges and 3 AP (stutter sensitive).
RANDOM walk for 767 steps (0 resets) in 11 ms. (63 steps per ms) remains 0/8 properties
Knowledge based reduction with 8 factoid took 1828 ms. Reduced automaton from 12 states, 49 edges and 3 AP (stutter sensitive) to 12 states, 49 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 479 ms :[(OR (NOT p2) (AND p0 (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND p0 (NOT p1))), (OR (AND (NOT p1) (NOT p2)) (AND p0 (NOT p1))), (OR (NOT p2) (AND p0 (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND p0 (NOT p1))), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p2), (OR (AND (NOT p0) (NOT p2)) (AND p0 (NOT p1))), (AND (NOT p1) (NOT p2)), (AND (NOT p1) p0 p2), (AND (NOT p1) p0 p2)]
[2026-05-27 08:11:46] [INFO ] Flow matrix only has 384 transitions (discarded 152 similar events)
[2026-05-27 08:11:46] [INFO ] Invariant cache hit.
[2026-05-27 08:11:47] [INFO ] [Real]Absence check using 74 positive place invariants in 84 ms returned sat
[2026-05-27 08:11:48] [INFO ] [Real]Absence check using state equation in 474 ms returned sat
[2026-05-27 08:11:48] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 08:11:48] [INFO ] [Nat]Absence check using 74 positive place invariants in 45 ms returned sat
[2026-05-27 08:11:49] [INFO ] [Nat]Absence check using state equation in 307 ms returned sat
[2026-05-27 08:11:49] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-27 08:11:49] [INFO ] [Nat]Added 40 Read/Feed constraints in 32 ms returned sat
[2026-05-27 08:11:49] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 343 ms
[2026-05-27 08:11:49] [INFO ] Computed and/alt/rep : 272/1512/272 causal constraints (skipped 104 transitions) in 52 ms.
[2026-05-27 08:11:52] [INFO ] Added : 240 causal constraints over 49 iterations in 2679 ms. Result :sat
Could not prove EG (NOT p2)
Knowledge-based reduction took 9687 ms.
Stuttering acceptance computed with spot in 727 ms :[(OR (NOT p2) (AND p0 (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND p0 (NOT p1))), (OR (AND (NOT p1) (NOT p2)) (AND p0 (NOT p1))), (OR (NOT p2) (AND p0 (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND p0 (NOT p1))), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p2), (OR (AND (NOT p0) (NOT p2)) (AND p0 (NOT p1))), (AND (NOT p1) (NOT p2)), (AND (NOT p1) p0 p2), (AND (NOT p1) p0 p2)]
Stuttering acceptance computed with spot in 717 ms :[(OR (NOT p2) (AND p0 (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND p0 (NOT p1))), (OR (AND (NOT p1) (NOT p2)) (AND p0 (NOT p1))), (OR (NOT p2) (AND p0 (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND p0 (NOT p1))), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p2), (OR (AND (NOT p0) (NOT p2)) (AND p0 (NOT p1))), (AND (NOT p1) (NOT p2)), (AND (NOT p1) p0 p2), (AND (NOT p1) p0 p2)]
Product exploration explored 100000 steps with 12448 reset in 1332 ms.
Product exploration explored 100000 steps with 12410 reset in 1291 ms.
Spot run failed in 88 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/autstates.py", line 2, in
import spot
ModuleNotFoundError: No module named 'spot'
java.io.IOException
at fr.lip6.move.gal.application.runner.spot.SpotRunner.computeForwardClosedSI(SpotRunner.java:551)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.treatPartialPOR(LTLPropertySolver.java:419)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:280)
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)
Built C files in :
/tmp/ltsmin1427255864957246321
[2026-05-27 08:11:56] [INFO ] Built C files in 13ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin1427255864957246321
Running compilation step : cd /tmp/ltsmin1427255864957246321;'/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'
Compilation finished in 1623 ms.
Running link step : cd /tmp/ltsmin1427255864957246321;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 35 ms.
Running LTSmin : cd /tmp/ltsmin1427255864957246321;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--hoa' '/tmp/stateBased11068838139689878541.hoa' '--buchi-type=spotba'
LTSmin run took 134 ms.
FORMULA LamportFastMutEx-COL-8-LTLFireability-14 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property LamportFastMutEx-COL-8-LTLFireability-14 finished in 58348 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))'
Spot run failed in 78 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.
[2026-05-27 08:11:58] [INFO ] Flatten gal took : 43 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin17654605008886203655
[2026-05-27 08:11:58] [INFO ] Computing symmetric may disable matrix : 536 transitions.
[2026-05-27 08:11:58] [INFO ] Computation of Complete disable matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-27 08:11:58] [INFO ] Computing symmetric may enable matrix : 536 transitions.
[2026-05-27 08:11:58] [INFO ] Computation of Complete enable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-27 08:11:58] [INFO ] Applying decomposition
[2026-05-27 08:11:58] [INFO ] Flatten gal took : 46 ms
[2026-05-27 08:11:58] [INFO ] Computing Do-Not-Accords matrix : 536 transitions.
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/graph17992688304792463238.txt' '-o' '/tmp/graph17992688304792463238.bin' '-w' '/tmp/graph17992688304792463238.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph17992688304792463238.bin' '-l' '-1' '-v' '-w' '/tmp/graph17992688304792463238.weights' '-q' '0' '-e' '0.001'
[2026-05-27 08:11:58] [INFO ] Computation of Completed DNA matrix. took 9 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-27 08:11:58] [INFO ] Decomposing Gal with order
[2026-05-27 08:11:58] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-27 08:11:58] [INFO ] Built C files in 192ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin17654605008886203655
Running compilation step : cd /tmp/ltsmin17654605008886203655;'/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'
[2026-05-27 08:11:58] [INFO ] Removed a total of 865 redundant transitions.
[2026-05-27 08:11:58] [INFO ] Flatten gal took : 80 ms
[2026-05-27 08:11:58] [INFO ] Fuse similar labels procedure discarded/fused a total of 38 labels/synchronizations in 29 ms.
[2026-05-27 08:11:58] [INFO ] Time to serialize gal into /tmp/LTLFireability12924970017192375769.gal : 13 ms
[2026-05-27 08:11:58] [INFO ] Time to serialize properties into /tmp/LTLFireability8978678518898031720.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/LTLFireability12924970017192375769.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability8978678518898031720.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 : !((F("((((((((((i13.u20.y_8>=1)&&(i7.u101.P_CS_21_5>=1))||((u16.y_3>=1)&&(i6.u99.P_CS_21_2>=1)))||(((i13.u20.y_8>=1)&&(i13.u102.P_CS_2...6182
Formula 0 simplified : G!"((((((((((i13.u20.y_8>=1)&&(i7.u101.P_CS_21_5>=1))||((u16.y_3>=1)&&(i6.u99.P_CS_21_2>=1)))||(((i13.u20.y_8>=1)&&(i13.u102.P_CS_21...6178
Compilation finished in 2317 ms.
Running link step : cd /tmp/ltsmin17654605008886203655;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 49 ms.
Running LTSmin : cd /tmp/ltsmin17654605008886203655;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '--ltl' '<>((LTLAPp0==true))' '--buchi-type=spotba'
Detected timeout of ITS tools.
[2026-05-27 08:34:51] [INFO ] Applying decomposition
[2026-05-27 08:34:51] [INFO ] Flatten gal took : 24 ms
[2026-05-27 08:34:51] [INFO ] Decomposing Gal with order
[2026-05-27 08:34:51] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-27 08:34:51] [INFO ] Removed a total of 892 redundant transitions.
[2026-05-27 08:34:51] [INFO ] Flatten gal took : 58 ms
[2026-05-27 08:34:51] [INFO ] Fuse similar labels procedure discarded/fused a total of 32 labels/synchronizations in 8 ms.
[2026-05-27 08:34:51] [INFO ] Time to serialize gal into /tmp/LTLFireability18068864457575056874.gal : 7 ms
[2026-05-27 08:34:51] [INFO ] Time to serialize properties into /tmp/LTLFireability8587704726241709362.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/LTLFireability18068864457575056874.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability8587704726241709362.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 : !((F("((((((((((pid8.y_8>=1)&&(pid5.P_CS_21_5>=1))||((pid3.y_3>=1)&&(pid2.P_CS_21_2>=1)))||(((pid8.y_8>=1)&&(pid7.P_CS_21_7>=1))||((pi...5595
Formula 0 simplified : G!"((((((((((pid8.y_8>=1)&&(pid5.P_CS_21_5>=1))||((pid3.y_3>=1)&&(pid2.P_CS_21_2>=1)))||(((pid8.y_8>=1)&&(pid7.P_CS_21_7>=1))||((pid...5591
Detected timeout of ITS tools.
[2026-05-27 08:57:46] [INFO ] Flatten gal took : 440 ms
[2026-05-27 08:57:49] [INFO ] Input system was already deterministic with 536 transitions.
[2026-05-27 08:57:49] [INFO ] Transformed 266 places.
[2026-05-27 08:57:49] [INFO ] Transformed 536 transitions.
Running greatSPN : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//../itstools/bin//..//greatspn//bin/pinvar' '/home/mcc/execution/gspn'
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Running greatSPN : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//../itstools/bin//..//greatspn//bin/RGMEDD2' '/home/mcc/execution/gspn' '-META' '-varord-only'
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Using order generated by GreatSPN with heuristic : META
[2026-05-27 08:57:49] [INFO ] Time to serialize gal into /tmp/LTLFireability5127674079392318756.gal : 32 ms
[2026-05-27 08:57:50] [INFO ] Time to serialize properties into /tmp/LTLFireability4826214900356684939.ltl : 29 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/LTLFireability5127674079392318756.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability4826214900356684939.ltl' '-c' '-stutter-deadlock' '--load-order' '/home/mcc/execution/model.ord' '--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...342
Read 1 LTL properties
Successfully loaded order from file /home/mcc/execution/model.ord
Checking formula 0 : !((F("((((((((((y_8>=1)&&(P_CS_21_5>=1))||((y_3>=1)&&(P_CS_21_2>=1)))||(((y_8>=1)&&(P_CS_21_7>=1))||((y_3>=1)&&(P_CS_21_4>=1))))||((((...4235
Formula 0 simplified : G!"((((((((((y_8>=1)&&(P_CS_21_5>=1))||((y_3>=1)&&(P_CS_21_2>=1)))||(((y_8>=1)&&(P_CS_21_7>=1))||((y_3>=1)&&(P_CS_21_4>=1))))||((((y...4231
BK_TIME_CONFINEMENT_REACHED
--------------------
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="LamportFastMutEx-COL-8"
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 LamportFastMutEx-COL-8, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r162-smll-177961107900388"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/LamportFastMutEx-COL-8.tgz
mv LamportFastMutEx-COL-8 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 ;