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.r034-tall-177946841700052.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)
......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is BridgeAndVehicles-COL-V20P20N20, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r034-tall-177946841700052
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 528K
-rw-r--r-- 1 mcc users 8.3K Mar 5 08:49 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K Mar 5 08:49 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Mar 5 08:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K Mar 5 08:48 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.6K Mar 15 07:33 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Mar 15 07:33 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K Mar 15 07:33 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 07:33 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Mar 5 08:49 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 142K Mar 5 08:49 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.3K Mar 5 08:49 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 63K Mar 5 08:49 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Mar 15 07:33 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Mar 15 07:33 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_pt
-rw-r--r-- 1 mcc users 10 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 40K 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 BridgeAndVehicles-COL-V20P20N20-LTLFireability-00
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-LTLFireability-01
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-LTLFireability-02
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-LTLFireability-03
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-LTLFireability-04
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-LTLFireability-05
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-LTLFireability-06
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-LTLFireability-07
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-LTLFireability-08
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-LTLFireability-09
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-LTLFireability-10
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-LTLFireability-11
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-LTLFireability-12
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-LTLFireability-13
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-LTLFireability-14
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779490051949

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BridgeAndVehicles-COL-V20P20N20
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
LTLFireability COL
Running Version 202604301425
[2026-05-22 22:47:33] [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]
[2026-05-22 22:47:33] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 22:47:33] [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.
[2026-05-22 22:47:33] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-22 22:47:33] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 550 ms
[2026-05-22 22:47:33] [INFO ] Imported 15 HL places and 11 HL transitions for a total of 78 PT places and 37258.0 transition bindings in 19 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 10 ms.
Working with output stream class java.io.PrintStream
[2026-05-22 22:47:33] [INFO ] Built PT skeleton of HLPN with 15 places and 11 transitions 56 arcs in 4 ms.
[2026-05-22 22:47:33] [INFO ] Skeletonized 11 HLPN properties in 1 ms. Removed 5 properties that had guard overlaps.
Computed a total of 12 stabilizing places and 6 stable transitions
Graph (complete) has 51 edges and 15 vertex of which 13 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.5 ms
Remains 5 properties that can be checked using skeleton over-approximation.
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
FORMULA BridgeAndVehicles-COL-V20P20N20-LTLFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 9 stabilizing places and 6 stable transitions
Graph (complete) has 22 edges and 12 vertex of which 10 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.0 ms
RANDOM walk for 289 steps (0 resets) in 11 ms. (24 steps per ms) remains 0/5 properties
[2026-05-22 22:47:34] [INFO ] Flatten gal took : 14 ms
[2026-05-22 22:47:34] [INFO ] Flatten gal took : 2 ms
Arc [13:1*[(MOD (ADD $cpt 1) 21)]] contains successor/predecessor on variables of sort compteur
Arc [1:1*[(MOD (ADD $cA 1) 21)]] contains successor/predecessor on variables of sort voitureA
Arc [6:1*[(MOD (ADD (MOD (MINUS $cB 1) 21) 21) 21)]] contains successor/predecessor on variables of sort voitureB
Arc [14:1*[(MOD (ADD $s 1) 2)]] contains successor/predecessor on variables of sort sens
[2026-05-22 22:47:34] [INFO ] Unfolded HLPN to a Petri net with 78 places and 968 transitions 7350 arcs in 35 ms.
[2026-05-22 22:47:34] [INFO ] Unfolded 15 HLPN properties in 1 ms.
Initial state reduction rules removed 3 formulas.
FORMULA BridgeAndVehicles-COL-V20P20N20-LTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V20P20N20-LTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V20P20N20-LTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 76 out of 78 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 78/78 places, 968/968 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 76 transition count 968
Applied a total of 2 rules in 23 ms. Remains 76 /78 variables (removed 2) and now considering 968/968 (removed 0) transitions.
Running 965 sub problems to find dead transitions.
[2026-05-22 22:47:34] [INFO ] Flow matrix only has 170 transitions (discarded 798 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10943195126157966030.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4719336936988091790.kers'
[2026-05-22 22:47:34] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10943195126157966030.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4719336936988091790.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 170 rows 76 cols 788 entries
Finished phase 1 with 71 SingleSign rule and 0 generalized
[2026-05-22 22:47:34] [INFO ] Computed 5 invariants in 1 ms
Computed 5 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-4719336936988091790.kers
Total runtime 1 ms.
[2026-05-22 22:47:34] [INFO ] State equation strengthened by 42 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 965 unsolved
Problem TDEAD528 is UNSAT
Problem TDEAD549 is UNSAT
Problem TDEAD570 is UNSAT
Problem TDEAD591 is UNSAT
Problem TDEAD612 is UNSAT
Problem TDEAD633 is UNSAT
Problem TDEAD654 is UNSAT
Problem TDEAD675 is UNSAT
Problem TDEAD696 is UNSAT
Problem TDEAD717 is UNSAT
Problem TDEAD738 is UNSAT
Problem TDEAD759 is UNSAT
Problem TDEAD780 is UNSAT
Problem TDEAD801 is UNSAT
Problem TDEAD822 is UNSAT
Problem TDEAD843 is UNSAT
Problem TDEAD864 is UNSAT
Problem TDEAD885 is UNSAT
Problem TDEAD906 is UNSAT
Problem TDEAD927 is UNSAT
Problem TDEAD108 is UNSAT
Problem TDEAD129 is UNSAT
Problem TDEAD150 is UNSAT
Problem TDEAD171 is UNSAT
Problem TDEAD192 is UNSAT
Problem TDEAD213 is UNSAT
Problem TDEAD234 is UNSAT
Problem TDEAD255 is UNSAT
Problem TDEAD276 is UNSAT
Problem TDEAD297 is UNSAT
Problem TDEAD318 is UNSAT
Problem TDEAD339 is UNSAT
Problem TDEAD360 is UNSAT
Problem TDEAD381 is UNSAT
Problem TDEAD402 is UNSAT
Problem TDEAD423 is UNSAT
Problem TDEAD444 is UNSAT
Problem TDEAD465 is UNSAT
Problem TDEAD486 is UNSAT
Problem TDEAD507 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 2/7 constraints. Problems are: Problem set: 40 solved, 925 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/7 constraints. Problems are: Problem set: 40 solved, 925 unsolved
Problem TDEAD20 is UNSAT
Problem TDEAD65 is UNSAT
At refinement iteration 3 (OVERLAPS) 170/246 variables, 76/83 constraints. Problems are: Problem set: 42 solved, 923 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/246 variables, 42/125 constraints. Problems are: Problem set: 42 solved, 923 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 246/246 variables, and 125 constraints, problems are : Problem set: 42 solved, 923 unsolved in 20060 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 76/76 constraints, ReadFeed: 42/42 constraints, PredecessorRefiner: 965/924 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 42 solved, 923 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 5/5 constraints. Problems are: Problem set: 42 solved, 923 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 2/7 constraints. Problems are: Problem set: 42 solved, 923 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/7 constraints. Problems are: Problem set: 42 solved, 923 unsolved
At refinement iteration 3 (OVERLAPS) 170/246 variables, 76/83 constraints. Problems are: Problem set: 42 solved, 923 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/246 variables, 42/125 constraints. Problems are: Problem set: 42 solved, 923 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/246 variables, 922/1047 constraints. Problems are: Problem set: 42 solved, 923 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 246/246 variables, and 1047 constraints, problems are : Problem set: 42 solved, 923 unsolved in 20030 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 76/76 constraints, ReadFeed: 42/42 constraints, PredecessorRefiner: 923/924 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41538ms problems are : Problem set: 42 solved, 923 unsolved
Search for dead transitions found 42 dead transitions in 41563ms
Found 42 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 42 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 42 transitions.
[2026-05-22 22:48:15] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-176383142130427088.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15161127816405140648.kers'
[2026-05-22 22:48:15] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-176383142130427088.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15161127816405140648.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 166 rows 76 cols 776 entries
Finished phase 1 with 68 SingleSign rule and 1 generalized
[2026-05-22 22:48:15] [INFO ] Computed 7 invariants in 0 ms
Computed 7 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-15161127816405140648.kers
Total runtime 1 ms.
[2026-05-22 22:48:16] [INFO ] Implicit Places using invariants in 37 ms returned []
[2026-05-22 22:48:16] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2026-05-22 22:48:16] [INFO ] Invariant cache hit.
[2026-05-22 22:48:16] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-22 22:48:16] [INFO ] Implicit Places using invariants and state equation in 87 ms returned []
Implicit Place search using SMT with State Equation took 139 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 76/78 places, 926/968 transitions.
Applied a total of 0 rules in 6 ms. Remains 76 /76 variables (removed 0) and now considering 926/926 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 41782 ms. Remains : 76/78 places, 926/968 transitions.
Starting structural reductions in LTL mode, iteration 0 : 76/76 places, 926/926 transitions.
Applied a total of 0 rules in 5 ms. Remains 76 /76 variables (removed 0) and now considering 926/926 (removed 0) transitions.
Running 923 sub problems to find dead transitions.
[2026-05-22 22:48:16] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2026-05-22 22:48:16] [INFO ] Invariant cache hit.
[2026-05-22 22:48:16] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 3 (OVERLAPS) 166/242 variables, 76/84 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/242 variables, 40/124 constraints. Problems are: Problem set: 0 solved, 923 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 242/242 variables, and 124 constraints, problems are : Problem set: 0 solved, 923 unsolved in 20027 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 76/76 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 923/922 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 923 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 3 (OVERLAPS) 166/242 variables, 76/84 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/242 variables, 40/124 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/242 variables, 922/1046 constraints. Problems are: Problem set: 0 solved, 923 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 1046 constraints, problems are : Problem set: 0 solved, 923 unsolved in 20034 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 76/76 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 923/922 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40862ms problems are : Problem set: 0 solved, 923 unsolved
Search for dead transitions found 0 dead transitions in 40865ms
[2026-05-22 22:48:57] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2026-05-22 22:48:57] [INFO ] Invariant cache hit.
[2026-05-22 22:48:57] [INFO ] Implicit Places using invariants in 30 ms returned []
[2026-05-22 22:48:57] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2026-05-22 22:48:57] [INFO ] Invariant cache hit.
[2026-05-22 22:48:57] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-22 22:48:57] [INFO ] Implicit Places using invariants and state equation in 78 ms returned []
Implicit Place search using SMT with State Equation took 110 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 40984 ms. Remains : 76/76 places, 926/926 transitions.
Support contains 76 out of 76 places after structural reductions.
[2026-05-22 22:48:57] [INFO ] Flatten gal took : 110 ms
[2026-05-22 22:48:57] [INFO ] Flatten gal took : 82 ms
[2026-05-22 22:48:57] [INFO ] Input system was already deterministic with 926 transitions.
Reduction of identical properties reduced properties to check from 14 to 13
RANDOM walk for 40000 steps (228 resets) in 4134 ms. (9 steps per ms) remains 1/13 properties
BEST_FIRST walk for 40003 steps (100 resets) in 1504 ms. (26 steps per ms) remains 1/1 properties
[2026-05-22 22:48:59] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2026-05-22 22:48:59] [INFO ] Invariant cache hit.
[2026-05-22 22:48:59] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/45 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/45 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem AtomicPropp2 is UNSAT
After SMT solving in domain Real declared 71/242 variables, and 6 constraints, problems are : Problem set: 1 solved, 0 unsolved in 58 ms.
Refiners :[Positive P Invariants (semi-flows): 6/7 constraints, State Equation: 0/76 constraints, ReadFeed: 0/40 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 67ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
FORMULA BridgeAndVehicles-COL-V20P20N20-LTLFireability-13 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 1 atomic propositions for a total of 11 simplifications.
Computed a total of 49 stabilizing places and 82 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((p0 U p1)))'
Support contains 45 out of 76 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 76/76 places, 926/926 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 75 transition count 925
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 75 transition count 925
Applied a total of 2 rules in 10 ms. Remains 75 /76 variables (removed 1) and now considering 925/926 (removed 1) transitions.
Running 922 sub problems to find dead transitions.
[2026-05-22 22:49:00] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9829145669896347582.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15064301076960596589.kers'
[2026-05-22 22:49:00] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9829145669896347582.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15064301076960596589.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 165 rows 74 cols 733 entries
Finished phase 1 with 67 SingleSign rule and 1 generalized
[2026-05-22 22:49:00] [INFO ] Computed 7 invariants in 1 ms
Computed 7 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-15064301076960596589.kers
Total runtime 5 ms.
[2026-05-22 22:49:00] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/240 variables, 75/83 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/240 variables, 40/123 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 240/240 variables, and 123 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20026 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 75/75 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/921 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/240 variables, 75/83 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/240 variables, 40/123 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/240 variables, 921/1044 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 240/240 variables, and 1044 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20040 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 75/75 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/921 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41152ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 41156ms
[2026-05-22 22:49:41] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2026-05-22 22:49:41] [INFO ] Invariant cache hit.
[2026-05-22 22:49:41] [INFO ] Implicit Places using invariants in 98 ms returned [23, 46]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 105 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 73/76 places, 925/926 transitions.
Applied a total of 0 rules in 4 ms. Remains 73 /73 variables (removed 0) and now considering 925/925 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 41277 ms. Remains : 73/76 places, 925/926 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0 U p1)))'
Stuttering acceptance computed with spot in 200 ms :[(NOT p1), (NOT p1), true]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N20-LTLFireability-01
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 3 ms.
FORMULA BridgeAndVehicles-COL-V20P20N20-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V20P20N20-LTLFireability-01 finished in 41568 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((p0&&F(p1)) U G((F(p2) U X(p1))))))'
Support contains 45 out of 76 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 76/76 places, 926/926 transitions.
Applied a total of 0 rules in 6 ms. Remains 76 /76 variables (removed 0) and now considering 926/926 (removed 0) transitions.
Running 923 sub problems to find dead transitions.
[2026-05-22 22:49:41] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3668715834888857037.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12030965697684863568.kers'
[2026-05-22 22:49:41] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3668715834888857037.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12030965697684863568.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 166 rows 76 cols 776 entries
Finished phase 1 with 68 SingleSign rule and 1 generalized
[2026-05-22 22:49:41] [INFO ] Computed 7 invariants in 0 ms
Computed 7 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-12030965697684863568.kers
Total runtime 1 ms.
[2026-05-22 22:49:41] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 3 (OVERLAPS) 166/242 variables, 76/84 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/242 variables, 40/124 constraints. Problems are: Problem set: 0 solved, 923 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 242/242 variables, and 124 constraints, problems are : Problem set: 0 solved, 923 unsolved in 20023 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 76/76 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 923/922 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 923 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 3 (OVERLAPS) 166/242 variables, 76/84 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/242 variables, 40/124 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/242 variables, 922/1046 constraints. Problems are: Problem set: 0 solved, 923 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 1046 constraints, problems are : Problem set: 0 solved, 923 unsolved in 20029 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 76/76 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 923/922 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41070ms problems are : Problem set: 0 solved, 923 unsolved
Search for dead transitions found 0 dead transitions in 41073ms
[2026-05-22 22:50:22] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2026-05-22 22:50:22] [INFO ] Invariant cache hit.
[2026-05-22 22:50:22] [INFO ] Implicit Places using invariants in 94 ms returned [23, 47]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 97 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 74/76 places, 926/926 transitions.
Applied a total of 0 rules in 7 ms. Remains 74 /74 variables (removed 0) and now considering 926/926 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 41189 ms. Remains : 74/76 places, 926/926 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((F(p0)&&p1) U G((F(p2) U X(p0))))))'
Stuttering acceptance computed with spot in 432 ms :[(NOT p0), (NOT p0), false, (AND (NOT p2) (NOT p0)), (NOT p0), (AND (NOT p0) (NOT p2)), (NOT p0), (AND (NOT p2) (NOT p0)), (NOT p2), (AND (NOT p2) (NOT p0)), false]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N20-LTLFireability-02
Stuttering criterion allowed to conclude after 181 steps with 1 reset in 7 ms.
FORMULA BridgeAndVehicles-COL-V20P20N20-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V20P20N20-LTLFireability-02 finished in 41690 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 3 out of 76 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 76/76 places, 926/926 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 75 transition count 925
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 75 transition count 925
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 5 place count 73 transition count 924
Applied a total of 5 rules in 107 ms. Remains 73 /76 variables (removed 3) and now considering 924/926 (removed 2) transitions.
[2026-05-22 22:50:23] [INFO ] Flow matrix only has 164 transitions (discarded 760 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7268514958437659496.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14674033495978690865.kers'
[2026-05-22 22:50:23] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7268514958437659496.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14674033495978690865.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 164 rows 73 cols 692 entries
Finished phase 1 with 66 SingleSign rule and 1 generalized
[2026-05-22 22:50:23] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-14674033495978690865.kers
Total runtime 1 ms.
[2026-05-22 22:50:23] [INFO ] Implicit Places using invariants in 184 ms returned [22, 44]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 187 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 71/76 places, 924/926 transitions.
Applied a total of 0 rules in 45 ms. Remains 71 /71 variables (removed 0) and now considering 924/924 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 339 ms. Remains : 71/76 places, 924/926 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 36 ms :[(NOT p0)]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N20-LTLFireability-03
Stuttering criterion allowed to conclude after 11796 steps with 141 reset in 98 ms.
FORMULA BridgeAndVehicles-COL-V20P20N20-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V20P20N20-LTLFireability-03 finished in 496 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(p1)&&F(p2))))'
Support contains 67 out of 76 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 76/76 places, 926/926 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 75 transition count 925
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 75 transition count 925
Applied a total of 2 rules in 78 ms. Remains 75 /76 variables (removed 1) and now considering 925/926 (removed 1) transitions.
Running 922 sub problems to find dead transitions.
[2026-05-22 22:50:23] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3111610993699422962.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5981043406110148883.kers'
[2026-05-22 22:50:23] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3111610993699422962.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5981043406110148883.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 165 rows 74 cols 733 entries
Finished phase 1 with 67 SingleSign rule and 1 generalized
[2026-05-22 22:50:23] [INFO ] Computed 7 invariants in 0 ms
Computed 7 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-5981043406110148883.kers
Total runtime 1 ms.
[2026-05-22 22:50:23] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/240 variables, 75/83 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/240 variables, 40/123 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 240/240 variables, and 123 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20028 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 75/75 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/921 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/240 variables, 75/83 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/240 variables, 40/123 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/240 variables, 921/1044 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 240/240 variables, and 1044 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20030 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 75/75 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/921 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41015ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 41017ms
[2026-05-22 22:51:04] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2026-05-22 22:51:04] [INFO ] Invariant cache hit.
[2026-05-22 22:51:04] [INFO ] Implicit Places using invariants in 54 ms returned [23]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 57 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 74/76 places, 925/926 transitions.
Applied a total of 0 rules in 49 ms. Remains 74 /74 variables (removed 0) and now considering 925/925 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 41206 ms. Remains : 74/76 places, 925/926 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(p1)&&F(p2))))'
Stuttering acceptance computed with spot in 145 ms :[(OR (NOT p0) (NOT p1) (NOT p2)), (NOT p0), (NOT p1), (NOT p2)]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N20-LTLFireability-04
Stuttering criterion allowed to conclude after 165 steps with 0 reset in 6 ms.
FORMULA BridgeAndVehicles-COL-V20P20N20-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V20P20N20-LTLFireability-04 finished in 41401 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(F(p0)) U (X(p1)&&F(!p2))))'
Support contains 47 out of 76 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 76/76 places, 926/926 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 75 transition count 925
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 75 transition count 925
Applied a total of 2 rules in 11 ms. Remains 75 /76 variables (removed 1) and now considering 925/926 (removed 1) transitions.
Skipped dead transition search.
[2026-05-22 22:51:05] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2026-05-22 22:51:05] [INFO ] Invariant cache hit.
[2026-05-22 22:51:05] [INFO ] Implicit Places using invariants in 71 ms returned [23, 46]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 73 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 73/76 places, 925/926 transitions.
Applied a total of 0 rules in 4 ms. Remains 73 /73 variables (removed 0) and now considering 925/925 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 89 ms. Remains : 73/76 places, 925/926 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(F(p0)) U (X(p1)&&F(!p2))))'
Stuttering acceptance computed with spot in 169 ms :[(OR (NOT p1) p2), (NOT p1), p2, (NOT p0), (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N20-LTLFireability-06
Stuttering criterion allowed to conclude after 403 steps with 4 reset in 25 ms.
FORMULA BridgeAndVehicles-COL-V20P20N20-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V20P20N20-LTLFireability-06 finished in 325 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(G(p0)) U ((p1&&X(p1)) U (G((p1&&X(p1)))||(X(p1)&&p2))))))'
Support contains 45 out of 76 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 76/76 places, 926/926 transitions.
Applied a total of 0 rules in 6 ms. Remains 76 /76 variables (removed 0) and now considering 926/926 (removed 0) transitions.
Running 923 sub problems to find dead transitions.
[2026-05-22 22:51:05] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9344306595513230444.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5103467861393241969.kers'
[2026-05-22 22:51:05] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9344306595513230444.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5103467861393241969.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 166 rows 76 cols 776 entries
Finished phase 1 with 68 SingleSign rule and 1 generalized
[2026-05-22 22:51:05] [INFO ] Computed 7 invariants in 2 ms
Computed 7 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-5103467861393241969.kers
Total runtime 3 ms.
[2026-05-22 22:51:05] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 3 (OVERLAPS) 166/242 variables, 76/84 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/242 variables, 40/124 constraints. Problems are: Problem set: 0 solved, 923 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 242/242 variables, and 124 constraints, problems are : Problem set: 0 solved, 923 unsolved in 20026 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 76/76 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 923/922 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 923 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 3 (OVERLAPS) 166/242 variables, 76/84 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/242 variables, 40/124 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/242 variables, 922/1046 constraints. Problems are: Problem set: 0 solved, 923 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 1046 constraints, problems are : Problem set: 0 solved, 923 unsolved in 20031 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 76/76 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 923/922 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40942ms problems are : Problem set: 0 solved, 923 unsolved
Search for dead transitions found 0 dead transitions in 40947ms
[2026-05-22 22:51:46] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2026-05-22 22:51:46] [INFO ] Invariant cache hit.
[2026-05-22 22:51:46] [INFO ] Implicit Places using invariants in 96 ms returned [23, 47]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 98 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 74/76 places, 926/926 transitions.
Applied a total of 0 rules in 4 ms. Remains 74 /74 variables (removed 0) and now considering 926/926 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 41061 ms. Remains : 74/76 places, 926/926 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(G(p0)) U ((p1&&X(p1)) U (G((p1&&X(p1)))||(X(p1)&&p2))))))'
Stuttering acceptance computed with spot in 226 ms :[(NOT p1), (NOT p1), (NOT p0), (NOT p1)]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N20-LTLFireability-07
Product exploration explored 100000 steps with 33333 reset in 447 ms.
Product exploration explored 100000 steps with 33333 reset in 419 ms.
Computed a total of 47 stabilizing places and 82 stable transitions
Computed a total of 47 stabilizing places and 82 stable transitions
Detected a total of 47/74 stabilizing places and 82/926 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/3 atomic propositions.
Knowledge based reduction with 14 factoid took 97 ms. Reduced automaton from 4 states, 10 edges and 3 AP (stutter sensitive) to 4 states, 10 edges and 3 AP (stutter sensitive).
Reduction of identical properties reduced properties to check from 7 to 5
RANDOM walk for 40000 steps (228 resets) in 297 ms. (134 steps per ms) remains 1/5 properties
BEST_FIRST walk for 40003 steps (90 resets) in 163 ms. (243 steps per ms) remains 1/1 properties
[2026-05-22 22:51:48] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-18120436190995147856.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11687138083166153953.kers'
[2026-05-22 22:51:48] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-18120436190995147856.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11687138083166153953.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 166 rows 74 cols 696 entries
Finished phase 1 with 69 SingleSign rule and 0 generalized
[2026-05-22 22:51:48] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-11687138083166153953.kers
Total runtime 1 ms.
[2026-05-22 22:51:48] [INFO ] State equation strengthened by 40 read => feed constraints.
Problem apf4 is UNSAT
After SMT solving in domain Real declared 2/240 variables, and 0 constraints, problems are : Problem set: 1 solved, 0 unsolved in 30 ms.
Refiners :[Positive P Invariants (semi-flows): 0/5 constraints, State Equation: 0/74 constraints, ReadFeed: 0/40 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 43ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge based reduction with 15 factoid took 141 ms. Reduced automaton from 4 states, 10 edges and 3 AP (stutter sensitive) to 4 states, 9 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 183 ms :[(NOT p1), (NOT p1), (NOT p0), (NOT p1)]
Knowledge-based reduction took 658 ms.
Stuttering acceptance computed with spot in 159 ms :[(NOT p1), (NOT p1), (NOT p0), (NOT p1)]
Support contains 45 out of 74 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 74/74 places, 926/926 transitions.
Applied a total of 0 rules in 3 ms. Remains 74 /74 variables (removed 0) and now considering 926/926 (removed 0) transitions.
Running 923 sub problems to find dead transitions.
[2026-05-22 22:51:48] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2026-05-22 22:51:48] [INFO ] Invariant cache hit.
[2026-05-22 22:51:48] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 3 (OVERLAPS) 166/240 variables, 74/80 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/240 variables, 40/120 constraints. Problems are: Problem set: 0 solved, 923 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 240/240 variables, and 120 constraints, problems are : Problem set: 0 solved, 923 unsolved in 20027 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 923/922 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 923 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 3 (OVERLAPS) 166/240 variables, 74/80 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/240 variables, 40/120 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/240 variables, 922/1042 constraints. Problems are: Problem set: 0 solved, 923 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 240/240 variables, and 1042 constraints, problems are : Problem set: 0 solved, 923 unsolved in 20031 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 923/922 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40914ms problems are : Problem set: 0 solved, 923 unsolved
Search for dead transitions found 0 dead transitions in 40917ms
[2026-05-22 22:52:29] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2026-05-22 22:52:29] [INFO ] Invariant cache hit.
[2026-05-22 22:52:29] [INFO ] Implicit Places using invariants in 76 ms returned []
[2026-05-22 22:52:29] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2026-05-22 22:52:29] [INFO ] Invariant cache hit.
[2026-05-22 22:52:29] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-22 22:52:29] [INFO ] Implicit Places using invariants and state equation in 170 ms returned []
Implicit Place search using SMT with State Equation took 247 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 41171 ms. Remains : 74/74 places, 926/926 transitions.
Computed a total of 47 stabilizing places and 82 stable transitions
Computed a total of 47 stabilizing places and 82 stable transitions
Detected a total of 47/74 stabilizing places and 82/926 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/3 atomic propositions.
Knowledge based reduction with 9 factoid took 104 ms. Reduced automaton from 4 states, 9 edges and 3 AP (stutter sensitive) to 4 states, 9 edges and 3 AP (stutter sensitive).
RANDOM walk for 1419 steps (7 resets) in 44 ms. (31 steps per ms) remains 0/4 properties
Knowledge based reduction with 9 factoid took 122 ms. Reduced automaton from 4 states, 9 edges and 3 AP (stutter sensitive) to 4 states, 9 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 185 ms :[(NOT p1), (NOT p1), (NOT p0), (NOT p1)]
Knowledge-based reduction took 469 ms.
Stuttering acceptance computed with spot in 202 ms :[(NOT p1), (NOT p1), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 180 ms :[(NOT p1), (NOT p1), (NOT p0), (NOT p1)]
Product exploration explored 100000 steps with 33333 reset in 320 ms.
Product exploration explored 100000 steps with 33333 reset in 364 ms.
Spot run failed in 75 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/ltsmin12629493991298861979
[2026-05-22 22:52:31] [INFO ] Built C files in 26ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin12629493991298861979
Running compilation step : cd /tmp/ltsmin12629493991298861979;'/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 2110 ms.
Running link step : cd /tmp/ltsmin12629493991298861979;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 49 ms.
Running LTSmin : cd /tmp/ltsmin12629493991298861979;'/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/stateBased13287628605681078502.hoa' '--buchi-type=spotba'
LTSmin run took 55 ms.
FORMULA BridgeAndVehicles-COL-V20P20N20-LTLFireability-07 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property BridgeAndVehicles-COL-V20P20N20-LTLFireability-07 finished in 88185 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 43 out of 76 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 76/76 places, 926/926 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 75 transition count 925
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 75 transition count 925
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 5 place count 73 transition count 924
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 9 place count 71 transition count 922
Applied a total of 9 rules in 74 ms. Remains 71 /76 variables (removed 5) and now considering 922/926 (removed 4) transitions.
[2026-05-22 22:52:33] [INFO ] Flow matrix only has 162 transitions (discarded 760 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7059399966701778393.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6626631736703226579.kers'
[2026-05-22 22:52:33] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7059399966701778393.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6626631736703226579.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 162 rows 71 cols 688 entries
Finished phase 1 with 64 SingleSign rule and 1 generalized
[2026-05-22 22:52:33] [INFO ] Computed 6 invariants in 2 ms
Computed 6 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-6626631736703226579.kers
Total runtime 3 ms.
[2026-05-22 22:52:33] [INFO ] Implicit Places using invariants in 107 ms returned [22, 44]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 109 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 69/76 places, 922/926 transitions.
Applied a total of 0 rules in 48 ms. Remains 69 /69 variables (removed 0) and now considering 922/922 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 231 ms. Remains : 69/76 places, 922/926 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 33 ms :[(NOT p0)]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N20-LTLFireability-08
Stuttering criterion allowed to conclude after 123 steps with 0 reset in 7 ms.
FORMULA BridgeAndVehicles-COL-V20P20N20-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V20P20N20-LTLFireability-08 finished in 316 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((p0&&X(X(X(F(p1))))))))'
Support contains 26 out of 76 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 76/76 places, 926/926 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 75 transition count 925
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 75 transition count 925
Applied a total of 2 rules in 8 ms. Remains 75 /76 variables (removed 1) and now considering 925/926 (removed 1) transitions.
Running 922 sub problems to find dead transitions.
[2026-05-22 22:52:34] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6972371556259530576.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11498721300831739165.kers'
[2026-05-22 22:52:34] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6972371556259530576.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11498721300831739165.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 165 rows 74 cols 733 entries
Finished phase 1 with 67 SingleSign rule and 1 generalized
[2026-05-22 22:52:34] [INFO ] Computed 7 invariants in 0 ms
Computed 7 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-11498721300831739165.kers
Total runtime 1 ms.
[2026-05-22 22:52:34] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/240 variables, 75/83 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/240 variables, 40/123 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 240/240 variables, and 123 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20031 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 75/75 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/921 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/240 variables, 75/83 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/240 variables, 40/123 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/240 variables, 921/1044 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 240/240 variables, and 1044 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20025 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 75/75 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/921 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40978ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 40981ms
[2026-05-22 22:53:15] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2026-05-22 22:53:15] [INFO ] Invariant cache hit.
[2026-05-22 22:53:15] [INFO ] Implicit Places using invariants in 134 ms returned [46]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 136 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 74/76 places, 925/926 transitions.
Applied a total of 0 rules in 5 ms. Remains 74 /74 variables (removed 0) and now considering 925/925 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 41133 ms. Remains : 74/76 places, 925/926 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((X(X(X(F(p0))))&&p1))))'
Stuttering acceptance computed with spot in 219 ms :[(NOT p0), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (NOT p0), (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N20-LTLFireability-10
Stuttering criterion allowed to conclude after 278 steps with 1 reset in 5 ms.
FORMULA BridgeAndVehicles-COL-V20P20N20-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V20P20N20-LTLFireability-10 finished in 41391 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||X(F(p1))))'
Support contains 4 out of 76 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 76/76 places, 926/926 transitions.
Applied a total of 0 rules in 4 ms. Remains 76 /76 variables (removed 0) and now considering 926/926 (removed 0) transitions.
Running 923 sub problems to find dead transitions.
[2026-05-22 22:53:15] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12976310579333932210.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4414376836350454456.kers'
[2026-05-22 22:53:15] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12976310579333932210.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4414376836350454456.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 166 rows 76 cols 776 entries
Finished phase 1 with 68 SingleSign rule and 1 generalized
[2026-05-22 22:53:15] [INFO ] Computed 7 invariants in 1 ms
Computed 7 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-4414376836350454456.kers
Total runtime 4 ms.
[2026-05-22 22:53:15] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 3 (OVERLAPS) 166/242 variables, 76/84 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/242 variables, 40/124 constraints. Problems are: Problem set: 0 solved, 923 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 242/242 variables, and 124 constraints, problems are : Problem set: 0 solved, 923 unsolved in 20023 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 76/76 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 923/922 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 923 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 3 (OVERLAPS) 166/242 variables, 76/84 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/242 variables, 40/124 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/242 variables, 922/1046 constraints. Problems are: Problem set: 0 solved, 923 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 1046 constraints, problems are : Problem set: 0 solved, 923 unsolved in 20030 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 76/76 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 923/922 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40971ms problems are : Problem set: 0 solved, 923 unsolved
Search for dead transitions found 0 dead transitions in 40979ms
[2026-05-22 22:53:56] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2026-05-22 22:53:56] [INFO ] Invariant cache hit.
[2026-05-22 22:53:56] [INFO ] Implicit Places using invariants in 165 ms returned [23, 47]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 167 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 74/76 places, 926/926 transitions.
Applied a total of 0 rules in 4 ms. Remains 74 /74 variables (removed 0) and now considering 926/926 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 41158 ms. Remains : 74/76 places, 926/926 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||X(F(p1))))'
Stuttering acceptance computed with spot in 118 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N20-LTLFireability-11
Product exploration explored 100000 steps with 1257 reset in 291 ms.
Product exploration explored 100000 steps with 1269 reset in 342 ms.
Computed a total of 47 stabilizing places and 82 stable transitions
Computed a total of 47 stabilizing places and 82 stable transitions
Detected a total of 47/74 stabilizing places and 82/926 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge based reduction with 10 factoid took 70 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter sensitive) to 5 states, 12 edges and 2 AP (stutter insensitive).
RANDOM walk for 40000 steps (228 resets) in 241 ms. (165 steps per ms) remains 1/6 properties
BEST_FIRST walk for 40003 steps (102 resets) in 143 ms. (277 steps per ms) remains 1/1 properties
[2026-05-22 22:53:57] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6258560545225355650.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12241438308174002150.kers'
[2026-05-22 22:53:57] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6258560545225355650.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12241438308174002150.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 166 rows 74 cols 696 entries
Finished phase 1 with 69 SingleSign rule and 0 generalized
[2026-05-22 22:53:57] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-12241438308174002150.kers
Total runtime 1 ms.
[2026-05-22 22:53:57] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem apf4 is UNSAT
After SMT solving in domain Real declared 9/240 variables, and 2 constraints, problems are : Problem set: 1 solved, 0 unsolved in 20 ms.
Refiners :[Positive P Invariants (semi-flows): 2/5 constraints, State Equation: 0/74 constraints, ReadFeed: 0/40 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 29ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge based reduction with 11 factoid took 86 ms. Reduced automaton from 5 states, 12 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 59 ms :[(NOT p1), (NOT p1)]
[2026-05-22 22:53:57] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2026-05-22 22:53:57] [INFO ] Invariant cache hit.
[2026-05-22 22:53:57] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2026-05-22 22:53:58] [INFO ] [Real]Absence check using state equation in 123 ms returned sat
[2026-05-22 22:53:58] [INFO ] Solution in real domain found non-integer solution.
[2026-05-22 22:53:58] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2026-05-22 22:53:58] [INFO ] [Nat]Absence check using state equation in 50 ms returned sat
[2026-05-22 22:53:58] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-22 22:53:58] [INFO ] [Nat]Added 40 Read/Feed constraints in 18 ms returned sat
[2026-05-22 22:53:58] [INFO ] Computed and/alt/rep : 58/116/58 causal constraints (skipped 105 transitions) in 40 ms.
[2026-05-22 22:53:58] [INFO ] Added : 20 causal constraints over 5 iterations in 390 ms. Result :sat
Could not prove EG (NOT p1)
Knowledge-based reduction took 1432 ms.
Stuttering acceptance computed with spot in 66 ms :[(NOT p1), (NOT p1)]
Support contains 1 out of 74 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 74/74 places, 926/926 transitions.
Applied a total of 0 rules in 57 ms. Remains 74 /74 variables (removed 0) and now considering 926/926 (removed 0) transitions.
Running 923 sub problems to find dead transitions.
[2026-05-22 22:53:58] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2026-05-22 22:53:58] [INFO ] Invariant cache hit.
[2026-05-22 22:53:58] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 3 (OVERLAPS) 166/240 variables, 74/80 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/240 variables, 40/120 constraints. Problems are: Problem set: 0 solved, 923 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 240/240 variables, and 120 constraints, problems are : Problem set: 0 solved, 923 unsolved in 20023 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 923/922 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 923 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 3 (OVERLAPS) 166/240 variables, 74/80 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/240 variables, 40/120 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/240 variables, 922/1042 constraints. Problems are: Problem set: 0 solved, 923 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 240/240 variables, and 1042 constraints, problems are : Problem set: 0 solved, 923 unsolved in 20021 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 923/922 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41035ms problems are : Problem set: 0 solved, 923 unsolved
Search for dead transitions found 0 dead transitions in 41037ms
[2026-05-22 22:54:39] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2026-05-22 22:54:39] [INFO ] Invariant cache hit.
[2026-05-22 22:54:40] [INFO ] Implicit Places using invariants in 150 ms returned []
[2026-05-22 22:54:40] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2026-05-22 22:54:40] [INFO ] Invariant cache hit.
[2026-05-22 22:54:40] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-22 22:54:40] [INFO ] Implicit Places using invariants and state equation in 309 ms returned []
Implicit Place search using SMT with State Equation took 462 ms to find 0 implicit places.
[2026-05-22 22:54:40] [INFO ] Redundant transitions in 59 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 41629 ms. Remains : 74/74 places, 926/926 transitions.
Computed a total of 47 stabilizing places and 82 stable transitions
Computed a total of 47 stabilizing places and 82 stable transitions
Detected a total of 47/74 stabilizing places and 82/926 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge based reduction with 4 factoid took 65 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 349 steps (0 resets) in 5 ms. (58 steps per ms) remains 0/1 properties
Knowledge based reduction with 4 factoid took 66 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 90 ms :[(NOT p1), (NOT p1)]
[2026-05-22 22:54:40] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2026-05-22 22:54:40] [INFO ] Invariant cache hit.
[2026-05-22 22:54:40] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2026-05-22 22:54:41] [INFO ] [Real]Absence check using state equation in 127 ms returned sat
[2026-05-22 22:54:41] [INFO ] Solution in real domain found non-integer solution.
[2026-05-22 22:54:41] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2026-05-22 22:54:41] [INFO ] [Nat]Absence check using state equation in 49 ms returned sat
[2026-05-22 22:54:41] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-22 22:54:41] [INFO ] [Nat]Added 40 Read/Feed constraints in 21 ms returned sat
[2026-05-22 22:54:41] [INFO ] Computed and/alt/rep : 58/116/58 causal constraints (skipped 105 transitions) in 31 ms.
[2026-05-22 22:54:41] [INFO ] Added : 20 causal constraints over 5 iterations in 377 ms. Result :sat
Could not prove EG (NOT p1)
Knowledge-based reduction took 1285 ms.
Stuttering acceptance computed with spot in 79 ms :[(NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 84 ms :[(NOT p1), (NOT p1)]
Product exploration explored 100000 steps with 1271 reset in 305 ms.
Product exploration explored 100000 steps with 1277 reset in 345 ms.
Built C files in :
/tmp/ltsmin18389418024086299052
[2026-05-22 22:54:42] [INFO ] Computing symmetric may disable matrix : 926 transitions.
[2026-05-22 22:54:42] [INFO ] Computation of Complete disable matrix. took 30 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-22 22:54:42] [INFO ] Computing symmetric may enable matrix : 926 transitions.
[2026-05-22 22:54:42] [INFO ] Computation of Complete enable matrix. took 31 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-22 22:54:42] [INFO ] Computing Do-Not-Accords matrix : 926 transitions.
[2026-05-22 22:54:42] [INFO ] Computation of Completed DNA matrix. took 48 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-22 22:54:43] [INFO ] Built C files in 397ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin18389418024086299052
Running compilation step : cd /tmp/ltsmin18389418024086299052;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin18389418024086299052;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin18389418024086299052;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:94)
at java.base/java.lang.Thread.run(Thread.java:1583)
Support contains 1 out of 74 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 74/74 places, 926/926 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 73 transition count 925
Applied a total of 2 rules in 52 ms. Remains 73 /74 variables (removed 1) and now considering 925/926 (removed 1) transitions.
Running 922 sub problems to find dead transitions.
[2026-05-22 22:54:46] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10464002947667912916.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15674560274181861490.kers'
[2026-05-22 22:54:46] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10464002947667912916.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15674560274181861490.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 165 rows 72 cols 633 entries
Finished phase 1 with 68 SingleSign rule and 0 generalized
[2026-05-22 22:54:46] [INFO ] Computed 5 invariants in 2 ms
Computed 5 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-15674560274181861490.kers
Total runtime 3 ms.
[2026-05-22 22:54:46] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 238/238 variables, and 119 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20032 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/921 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 921/1040 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 238/238 variables, and 1040 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20030 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/921 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41102ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 41103ms
[2026-05-22 22:55:27] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2026-05-22 22:55:27] [INFO ] Invariant cache hit.
[2026-05-22 22:55:27] [INFO ] Implicit Places using invariants in 149 ms returned []
[2026-05-22 22:55:27] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2026-05-22 22:55:27] [INFO ] Invariant cache hit.
[2026-05-22 22:55:27] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-22 22:55:27] [INFO ] Implicit Places using invariants and state equation in 320 ms returned []
Implicit Place search using SMT with State Equation took 471 ms to find 0 implicit places.
[2026-05-22 22:55:27] [INFO ] Redundant transitions in 15 ms returned []
Skipped dead transition search.
Starting structural reductions in SI_LTL mode, iteration 1 : 73/74 places, 925/926 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 41653 ms. Remains : 73/74 places, 925/926 transitions.
Built C files in :
/tmp/ltsmin9807407083479998873
[2026-05-22 22:55:27] [INFO ] Computing symmetric may disable matrix : 925 transitions.
[2026-05-22 22:55:27] [INFO ] Computation of Complete disable matrix. took 20 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-22 22:55:27] [INFO ] Computing symmetric may enable matrix : 925 transitions.
[2026-05-22 22:55:27] [INFO ] Computation of Complete enable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-22 22:55:27] [INFO ] Computing Do-Not-Accords matrix : 925 transitions.
[2026-05-22 22:55:27] [INFO ] Computation of Completed DNA matrix. took 45 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-22 22:55:28] [INFO ] Built C files in 324ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin9807407083479998873
Running compilation step : cd /tmp/ltsmin9807407083479998873;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin9807407083479998873;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin9807407083479998873;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:94)
at java.base/java.lang.Thread.run(Thread.java:1583)
[2026-05-22 22:55:31] [INFO ] Flatten gal took : 34 ms
[2026-05-22 22:55:31] [INFO ] Flatten gal took : 32 ms
[2026-05-22 22:55:31] [INFO ] Time to serialize gal into /tmp/LTL2831922897493979248.gal : 14 ms
[2026-05-22 22:55:31] [INFO ] Time to serialize properties into /tmp/LTL7194103980216938777.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL2831922897493979248.gal' '-t' 'CGAL' '-hoa' '/tmp/aut9543709806230433532.hoa' '-atoms' '/tmp/LTL7194103980216938777.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...317
Loading property file /tmp/LTL7194103980216938777.prop.
Loaded 1 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut9543709806230433532.hoa
Detected timeout of ITS tools.
[2026-05-22 22:55:46] [INFO ] Flatten gal took : 29 ms
[2026-05-22 22:55:46] [INFO ] Flatten gal took : 26 ms
[2026-05-22 22:55:46] [INFO ] Time to serialize gal into /tmp/LTL17211321418925523460.gal : 9 ms
[2026-05-22 22:55:46] [INFO ] Time to serialize properties into /tmp/LTL16710881025841573864.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/LTL17211321418925523460.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL16710881025841573864.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 : !(((G("(((CAPACITE>=20)&&(VIDANGE_1>=1))||((CAPACITE>=20)&&(VIDANGE_0>=1)))"))||(X(F("(SUR_PONT_B>=1)")))))
Formula 0 simplified : F!"(((CAPACITE>=20)&&(VIDANGE_1>=1))||((CAPACITE>=20)&&(VIDANGE_0>=1)))" & XG!"(SUR_PONT_B>=1)"
Detected timeout of ITS tools.
[2026-05-22 22:56:01] [INFO ] Flatten gal took : 24 ms
[2026-05-22 22:56:01] [INFO ] Applying decomposition
[2026-05-22 22:56:01] [INFO ] Flatten gal took : 20 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/graph8497537581810762068.txt' '-o' '/tmp/graph8497537581810762068.bin' '-w' '/tmp/graph8497537581810762068.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph8497537581810762068.bin' '-l' '-1' '-v' '-w' '/tmp/graph8497537581810762068.weights' '-q' '0' '-e' '0.001'
[2026-05-22 22:56:01] [INFO ] Decomposing Gal with order
[2026-05-22 22:56:01] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 22:56:02] [INFO ] Removed a total of 1714 redundant transitions.
[2026-05-22 22:56:02] [INFO ] Flatten gal took : 342 ms
[2026-05-22 22:56:02] [INFO ] Fuse similar labels procedure discarded/fused a total of 175 labels/synchronizations in 12 ms.
[2026-05-22 22:56:02] [INFO ] Time to serialize gal into /tmp/LTL1216855565208283061.gal : 2 ms
[2026-05-22 22:56:02] [INFO ] Time to serialize properties into /tmp/LTL15772321052843508878.ltl : 0 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/LTL1216855565208283061.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL15772321052843508878.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...255
Read 1 LTL properties
Checking formula 0 : !(((G("(((u0.CAPACITE>=20)&&(u1.VIDANGE_1>=1))||((u0.CAPACITE>=20)&&(i2.u3.VIDANGE_0>=1)))"))||(X(F("(u0.SUR_PONT_B>=1)")))))
Formula 0 simplified : F!"(((u0.CAPACITE>=20)&&(u1.VIDANGE_1>=1))||((u0.CAPACITE>=20)&&(i2.u3.VIDANGE_0>=1)))" & XG!"(u0.SUR_PONT_B>=1)"
Detected timeout of ITS tools.
Treatment of property BridgeAndVehicles-COL-V20P20N20-LTLFireability-11 finished in 181801 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(X(((!p0 U G(X(!X(X(!p1)))))&&!(!p1 U p2)))))'
Support contains 27 out of 76 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 76/76 places, 926/926 transitions.
Applied a total of 0 rules in 6 ms. Remains 76 /76 variables (removed 0) and now considering 926/926 (removed 0) transitions.
Running 923 sub problems to find dead transitions.
[2026-05-22 22:56:17] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8872255179169457351.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7134116870590829579.kers'
[2026-05-22 22:56:17] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8872255179169457351.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7134116870590829579.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 166 rows 76 cols 776 entries
Finished phase 1 with 68 SingleSign rule and 1 generalized
[2026-05-22 22:56:17] [INFO ] Computed 7 invariants in 2 ms
Computed 7 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-7134116870590829579.kers
Total runtime 3 ms.
[2026-05-22 22:56:17] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 3 (OVERLAPS) 166/242 variables, 76/84 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/242 variables, 40/124 constraints. Problems are: Problem set: 0 solved, 923 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 242/242 variables, and 124 constraints, problems are : Problem set: 0 solved, 923 unsolved in 20025 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 76/76 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 923/922 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 923 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 3 (OVERLAPS) 166/242 variables, 76/84 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/242 variables, 40/124 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/242 variables, 922/1046 constraints. Problems are: Problem set: 0 solved, 923 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 1046 constraints, problems are : Problem set: 0 solved, 923 unsolved in 20030 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 76/76 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 923/922 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41153ms problems are : Problem set: 0 solved, 923 unsolved
Search for dead transitions found 0 dead transitions in 41156ms
[2026-05-22 22:56:58] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2026-05-22 22:56:58] [INFO ] Invariant cache hit.
[2026-05-22 22:56:58] [INFO ] Implicit Places using invariants in 122 ms returned [23]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 124 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 75/76 places, 926/926 transitions.
Applied a total of 0 rules in 5 ms. Remains 75 /75 variables (removed 0) and now considering 926/926 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 41297 ms. Remains : 75/76 places, 926/926 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(X(((!p0 U G(X(!X(X(!p1)))))&&!(!p1 U p2)))))'
Stuttering acceptance computed with spot in 282 ms :[(OR (NOT p1) p2), (OR (NOT p1) p2), true, (NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N20-LTLFireability-12
Entered a terminal (fully accepting) state of product in 7 steps with 0 reset in 1 ms.
FORMULA BridgeAndVehicles-COL-V20P20N20-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V20P20N20-LTLFireability-12 finished in 41629 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(!p1))))||p0)))'
Support contains 43 out of 76 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 76/76 places, 926/926 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 75 transition count 925
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 75 transition count 925
Applied a total of 2 rules in 8 ms. Remains 75 /76 variables (removed 1) and now considering 925/926 (removed 1) transitions.
Running 922 sub problems to find dead transitions.
[2026-05-22 22:56:58] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8034523003332813750.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6042696363095849776.kers'
[2026-05-22 22:56:58] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8034523003332813750.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6042696363095849776.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 165 rows 74 cols 733 entries
Finished phase 1 with 67 SingleSign rule and 1 generalized
[2026-05-22 22:56:58] [INFO ] Computed 7 invariants in 0 ms
Computed 7 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-6042696363095849776.kers
Total runtime 1 ms.
[2026-05-22 22:56:58] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/240 variables, 75/83 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/240 variables, 40/123 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 240/240 variables, and 123 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20018 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 75/75 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/921 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/240 variables, 75/83 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/240 variables, 40/123 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/240 variables, 921/1044 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 240/240 variables, and 1044 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20029 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 75/75 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/921 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41055ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 41058ms
[2026-05-22 22:57:39] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2026-05-22 22:57:39] [INFO ] Invariant cache hit.
[2026-05-22 22:57:40] [INFO ] Implicit Places using invariants in 89 ms returned [23, 46]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 91 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 73/76 places, 925/926 transitions.
Applied a total of 0 rules in 3 ms. Remains 73 /73 variables (removed 0) and now considering 925/925 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 41163 ms. Remains : 73/76 places, 925/926 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(p1))))||p0)))'
Stuttering acceptance computed with spot in 216 ms :[true, (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (NOT p1), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N20-LTLFireability-15
Entered a terminal (fully accepting) state of product in 676 steps with 4 reset in 32 ms.
FORMULA BridgeAndVehicles-COL-V20P20N20-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V20P20N20-LTLFireability-15 finished in 41462 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||X(F(p1))))'
Spot run failed in 44 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.
[2026-05-22 22:57:40] [INFO ] Flatten gal took : 17 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin18395987382743216237
[2026-05-22 22:57:40] [INFO ] Computing symmetric may disable matrix : 926 transitions.
[2026-05-22 22:57:40] [INFO ] Applying decomposition
[2026-05-22 22:57:40] [INFO ] Computation of Complete disable matrix. took 19 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-22 22:57:40] [INFO ] Flatten gal took : 18 ms
[2026-05-22 22:57:40] [INFO ] Computing symmetric may enable matrix : 926 transitions.
[2026-05-22 22:57:40] [INFO ] Computation of Complete enable matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
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/graph15186975389263438981.txt' '-o' '/tmp/graph15186975389263438981.bin' '-w' '/tmp/graph15186975389263438981.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph15186975389263438981.bin' '-l' '-1' '-v' '-w' '/tmp/graph15186975389263438981.weights' '-q' '0' '-e' '0.001'
[2026-05-22 22:57:40] [INFO ] Decomposing Gal with order
[2026-05-22 22:57:40] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 22:57:40] [INFO ] Computing Do-Not-Accords matrix : 926 transitions.
[2026-05-22 22:57:40] [INFO ] Removed a total of 1790 redundant transitions.
[2026-05-22 22:57:40] [INFO ] Flatten gal took : 126 ms
[2026-05-22 22:57:40] [INFO ] Computation of Completed DNA matrix. took 36 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-22 22:57:40] [INFO ] Fuse similar labels procedure discarded/fused a total of 271 labels/synchronizations in 10 ms.
[2026-05-22 22:57:40] [INFO ] Time to serialize gal into /tmp/LTLFireability704668091224524458.gal : 2 ms
[2026-05-22 22:57:40] [INFO ] Time to serialize properties into /tmp/LTLFireability374071813405849946.ltl : 0 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/LTLFireability704668091224524458.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability374071813405849946.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...274
Read 1 LTL properties
Checking formula 0 : !(((G("(((i0.u0.CAPACITE>=20)&&(i1.u1.VIDANGE_1>=1))||((i0.u0.CAPACITE>=20)&&(i2.u5.VIDANGE_0>=1)))"))||(X(F("(i0.u0.SUR_PONT_B>=1)"))...158
Formula 0 simplified : F!"(((i0.u0.CAPACITE>=20)&&(i1.u1.VIDANGE_1>=1))||((i0.u0.CAPACITE>=20)&&(i2.u5.VIDANGE_0>=1)))" & XG!"(i0.u0.SUR_PONT_B>=1)"
[2026-05-22 22:57:40] [INFO ] Built C files in 327ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin18395987382743216237
Running compilation step : cd /tmp/ltsmin18395987382743216237;'/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'
Compilation finished in 3848 ms.
Running link step : cd /tmp/ltsmin18395987382743216237;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 60 ms.
Running LTSmin : cd /tmp/ltsmin18395987382743216237;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--ltl' '([]((LTLAPp0==true))||X(<>((LTLAPp1==true))))' '--buchi-type=spotba'
LTSmin run took 5419 ms.
FORMULA BridgeAndVehicles-COL-V20P20N20-LTLFireability-11 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
ITS tools runner thread asked to quit. Dying gracefully.
Total runtime 616931 ms.

BK_STOP 1779490670123

--------------------
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="BridgeAndVehicles-COL-V20P20N20"
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 BridgeAndVehicles-COL-V20P20N20, 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 r034-tall-177946841700052"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-COL-V20P20N20.tgz
mv BridgeAndVehicles-COL-V20P20N20 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;