fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r034-tall-177946841700012
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for BridgeAndVehicles-COL-V10P10N10

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
724.403 215545.00 250080.00 602.50 FFFFFFTFFFFFFFFT normal

Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r034-tall-177946841700012.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-V10P10N10, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r034-tall-177946841700012
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 584K
-rw-r--r-- 1 mcc users 7.7K Mar 5 08:21 CTLCardinality.txt
-rw-r--r-- 1 mcc users 73K Mar 5 08:21 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.5K Mar 5 08:21 CTLFireability.txt
-rw-r--r-- 1 mcc users 63K Mar 5 08:21 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 4.7K Mar 15 07:31 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 07:31 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.1K Mar 15 07:32 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 07:32 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K Mar 5 08:21 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 157K Mar 5 08:21 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 14K Mar 5 08:21 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 97K Mar 5 08:21 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Mar 15 07:32 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Mar 15 07:32 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 38K 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-V10P10N10-LTLFireability-00
FORMULA_NAME BridgeAndVehicles-COL-V10P10N10-LTLFireability-01
FORMULA_NAME BridgeAndVehicles-COL-V10P10N10-LTLFireability-02
FORMULA_NAME BridgeAndVehicles-COL-V10P10N10-LTLFireability-03
FORMULA_NAME BridgeAndVehicles-COL-V10P10N10-LTLFireability-04
FORMULA_NAME BridgeAndVehicles-COL-V10P10N10-LTLFireability-05
FORMULA_NAME BridgeAndVehicles-COL-V10P10N10-LTLFireability-06
FORMULA_NAME BridgeAndVehicles-COL-V10P10N10-LTLFireability-07
FORMULA_NAME BridgeAndVehicles-COL-V10P10N10-LTLFireability-08
FORMULA_NAME BridgeAndVehicles-COL-V10P10N10-LTLFireability-09
FORMULA_NAME BridgeAndVehicles-COL-V10P10N10-LTLFireability-10
FORMULA_NAME BridgeAndVehicles-COL-V10P10N10-LTLFireability-11
FORMULA_NAME BridgeAndVehicles-COL-V10P10N10-LTLFireability-12
FORMULA_NAME BridgeAndVehicles-COL-V10P10N10-LTLFireability-13
FORMULA_NAME BridgeAndVehicles-COL-V10P10N10-LTLFireability-14
FORMULA_NAME BridgeAndVehicles-COL-V10P10N10-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779481108952

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-V10P10N10
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
LTLFireability COL
Running Version 202604301425
[2026-05-22 20:18:30] [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 20:18:30] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 20:18:30] [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 20:18:30] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-22 20:18:30] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 565 ms
[2026-05-22 20:18:30] [INFO ] Imported 15 HL places and 11 HL transitions for a total of 48 PT places and 5438.0 transition bindings in 20 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 20:18:30] [INFO ] Built PT skeleton of HLPN with 15 places and 11 transitions 56 arcs in 5 ms.
[2026-05-22 20:18:30] [INFO ] Skeletonized 9 HLPN properties in 2 ms. Removed 7 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 4 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.
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 221 steps (0 resets) in 21 ms. (10 steps per ms) remains 0/5 properties
[2026-05-22 20:18:31] [INFO ] Flatten gal took : 17 ms
[2026-05-22 20:18:31] [INFO ] Flatten gal took : 2 ms
Arc [13:1*[(MOD (ADD $cpt 1) 11)]] contains successor/predecessor on variables of sort compteur
Arc [1:1*[(MOD (ADD $cA 1) 11)]] contains successor/predecessor on variables of sort voitureA
Arc [6:1*[(MOD (ADD (MOD (MINUS $cB 1) 11) 11) 11)]] 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 20:18:31] [INFO ] Unfolded HLPN to a Petri net with 48 places and 288 transitions 2090 arcs in 24 ms.
[2026-05-22 20:18:31] [INFO ] Unfolded 16 HLPN properties in 0 ms.
Initial state reduction rules removed 3 formulas.
FORMULA BridgeAndVehicles-COL-V10P10N10-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V10P10N10-LTLFireability-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V10P10N10-LTLFireability-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 46 out of 48 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 48/48 places, 288/288 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 46 transition count 288
Applied a total of 2 rules in 12 ms. Remains 46 /48 variables (removed 2) and now considering 288/288 (removed 0) transitions.
Running 285 sub problems to find dead transitions.
[2026-05-22 20:18:31] [INFO ] Flow matrix only has 90 transitions (discarded 198 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2036291701140115031.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4634252683817464358.kers'
[2026-05-22 20:18:31] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2036291701140115031.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4634252683817464358.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 90 rows 46 cols 408 entries
Finished phase 1 with 41 SingleSign rule and 0 generalized
[2026-05-22 20:18:31] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-4634252683817464358.kers
Total runtime 1 ms.
[2026-05-22 20:18:31] [INFO ] State equation strengthened by 22 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/46 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 285 unsolved
Problem TDEAD168 is UNSAT
Problem TDEAD179 is UNSAT
Problem TDEAD190 is UNSAT
Problem TDEAD201 is UNSAT
Problem TDEAD212 is UNSAT
Problem TDEAD223 is UNSAT
Problem TDEAD234 is UNSAT
Problem TDEAD245 is UNSAT
Problem TDEAD256 is UNSAT
Problem TDEAD267 is UNSAT
Problem TDEAD58 is UNSAT
Problem TDEAD69 is UNSAT
Problem TDEAD80 is UNSAT
Problem TDEAD91 is UNSAT
Problem TDEAD102 is UNSAT
Problem TDEAD113 is UNSAT
Problem TDEAD124 is UNSAT
Problem TDEAD135 is UNSAT
Problem TDEAD146 is UNSAT
Problem TDEAD157 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/46 variables, 2/7 constraints. Problems are: Problem set: 20 solved, 265 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/7 constraints. Problems are: Problem set: 20 solved, 265 unsolved
Problem TDEAD10 is UNSAT
Problem TDEAD35 is UNSAT
At refinement iteration 3 (OVERLAPS) 90/136 variables, 46/53 constraints. Problems are: Problem set: 22 solved, 263 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/136 variables, 22/75 constraints. Problems are: Problem set: 22 solved, 263 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/136 variables, 0/75 constraints. Problems are: Problem set: 22 solved, 263 unsolved
At refinement iteration 6 (OVERLAPS) 0/136 variables, 0/75 constraints. Problems are: Problem set: 22 solved, 263 unsolved
No progress, stopping.
After SMT solving in domain Real declared 136/136 variables, and 75 constraints, problems are : Problem set: 22 solved, 263 unsolved in 5835 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 46/46 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 285/285 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 22 solved, 263 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/46 variables, 5/5 constraints. Problems are: Problem set: 22 solved, 263 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/46 variables, 2/7 constraints. Problems are: Problem set: 22 solved, 263 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/7 constraints. Problems are: Problem set: 22 solved, 263 unsolved
At refinement iteration 3 (OVERLAPS) 90/136 variables, 46/53 constraints. Problems are: Problem set: 22 solved, 263 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/136 variables, 22/75 constraints. Problems are: Problem set: 22 solved, 263 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/136 variables, 263/338 constraints. Problems are: Problem set: 22 solved, 263 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/136 variables, 0/338 constraints. Problems are: Problem set: 22 solved, 263 unsolved
At refinement iteration 7 (OVERLAPS) 0/136 variables, 0/338 constraints. Problems are: Problem set: 22 solved, 263 unsolved
No progress, stopping.
After SMT solving in domain Int declared 136/136 variables, and 338 constraints, problems are : Problem set: 22 solved, 263 unsolved in 12537 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 46/46 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 263/285 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 18736ms problems are : Problem set: 22 solved, 263 unsolved
Search for dead transitions found 22 dead transitions in 18756ms
Found 22 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 22 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 22 transitions.
[2026-05-22 20:18:49] [INFO ] Flow matrix only has 86 transitions (discarded 180 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5341125057143515483.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11014322170895340410.kers'
[2026-05-22 20:18:49] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5341125057143515483.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11014322170895340410.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 86 rows 46 cols 396 entries
Finished phase 1 with 38 SingleSign rule and 1 generalized
[2026-05-22 20:18:49] [INFO ] Computed 7 invariants in 0 ms
Computed 7 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-11014322170895340410.kers
Total runtime 0 ms.
[2026-05-22 20:18:50] [INFO ] Implicit Places using invariants in 27 ms returned []
[2026-05-22 20:18:50] [INFO ] Flow matrix only has 86 transitions (discarded 180 similar events)
[2026-05-22 20:18:50] [INFO ] Invariant cache hit.
[2026-05-22 20:18:50] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-22 20:18:50] [INFO ] Implicit Places using invariants and state equation in 44 ms returned []
Implicit Place search using SMT with State Equation took 78 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 46/48 places, 266/288 transitions.
Applied a total of 0 rules in 5 ms. Remains 46 /46 variables (removed 0) and now considering 266/266 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 18905 ms. Remains : 46/48 places, 266/288 transitions.
Starting structural reductions in LTL mode, iteration 0 : 46/46 places, 266/266 transitions.
Applied a total of 0 rules in 2 ms. Remains 46 /46 variables (removed 0) and now considering 266/266 (removed 0) transitions.
Running 263 sub problems to find dead transitions.
[2026-05-22 20:18:50] [INFO ] Flow matrix only has 86 transitions (discarded 180 similar events)
[2026-05-22 20:18:50] [INFO ] Invariant cache hit.
[2026-05-22 20:18:50] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/46 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/46 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 3 (OVERLAPS) 86/132 variables, 46/54 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/132 variables, 20/74 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/132 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 6 (OVERLAPS) 0/132 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 263 unsolved
No progress, stopping.
After SMT solving in domain Real declared 132/132 variables, and 74 constraints, problems are : Problem set: 0 solved, 263 unsolved in 5444 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 46/46 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 263/263 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 263 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/46 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/46 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 3 (OVERLAPS) 86/132 variables, 46/54 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/132 variables, 20/74 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/132 variables, 263/337 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/132 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 7 (OVERLAPS) 0/132 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 263 unsolved
No progress, stopping.
After SMT solving in domain Int declared 132/132 variables, and 337 constraints, problems are : Problem set: 0 solved, 263 unsolved in 20021 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 46/46 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 263/263 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 25568ms problems are : Problem set: 0 solved, 263 unsolved
Search for dead transitions found 0 dead transitions in 25569ms
[2026-05-22 20:19:15] [INFO ] Flow matrix only has 86 transitions (discarded 180 similar events)
[2026-05-22 20:19:15] [INFO ] Invariant cache hit.
[2026-05-22 20:19:15] [INFO ] Implicit Places using invariants in 31 ms returned []
[2026-05-22 20:19:15] [INFO ] Flow matrix only has 86 transitions (discarded 180 similar events)
[2026-05-22 20:19:15] [INFO ] Invariant cache hit.
[2026-05-22 20:19:15] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-22 20:19:15] [INFO ] Implicit Places using invariants and state equation in 56 ms returned []
Implicit Place search using SMT with State Equation took 90 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 25663 ms. Remains : 46/46 places, 266/266 transitions.
Support contains 46 out of 46 places after structural reductions.
[2026-05-22 20:19:15] [INFO ] Flatten gal took : 49 ms
[2026-05-22 20:19:16] [INFO ] Flatten gal took : 51 ms
[2026-05-22 20:19:16] [INFO ] Input system was already deterministic with 266 transitions.
Reduction of identical properties reduced properties to check from 19 to 16
RANDOM walk for 40000 steps (442 resets) in 1310 ms. (30 steps per ms) remains 1/16 properties
BEST_FIRST walk for 40003 steps (137 resets) in 110 ms. (360 steps per ms) remains 1/1 properties
[2026-05-22 20:19:16] [INFO ] Flow matrix only has 86 transitions (discarded 180 similar events)
[2026-05-22 20:19:16] [INFO ] Invariant cache hit.
[2026-05-22 20:19:16] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 22/25 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 92/117 variables, 28/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/117 variables, 4/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/117 variables, 20/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/117 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 2/119 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/119 variables, 2/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/119 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 13/132 variables, 13/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/132 variables, 1/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/132 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/132 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 132/132 variables, and 73 constraints, problems are : Problem set: 0 solved, 1 unsolved in 61 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 46/46 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 22/25 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 92/117 variables, 28/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/117 variables, 4/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/117 variables, 20/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/117 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/117 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 2/119 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/119 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/119 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 13/132 variables, 13/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/132 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/132 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/132 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 132/132 variables, and 74 constraints, problems are : Problem set: 0 solved, 1 unsolved in 120 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 46/46 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 192ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 10 ms.
Support contains 2 out of 46 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 46/46 places, 266/266 transitions.
Applied a total of 0 rules in 25 ms. Remains 46 /46 variables (removed 0) and now considering 266/266 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26 ms. Remains : 46/46 places, 266/266 transitions.
RANDOM walk for 40000 steps (444 resets) in 137 ms. (289 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (137 resets) in 75 ms. (526 steps per ms) remains 1/1 properties
Probably explored full state space saw : 259552 states, properties seen :0
Probabilistic random walk after 1080821 steps, saw 259552 distinct states, run finished after 1796 ms. (steps per millisecond=601 ) properties seen :0
Explored full state space saw : 259556 states, properties seen :0
Exhaustive walk after 1080838 steps, saw 259556 distinct states, run finished after 1619 ms. (steps per millisecond=667 ) properties seen :0
FORMULA BridgeAndVehicles-COL-V10P10N10-LTLFireability-09 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA BridgeAndVehicles-COL-V10P10N10-LTLFireability-12 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 1 atomic propositions for a total of 11 simplifications.
FORMULA BridgeAndVehicles-COL-V10P10N10-LTLFireability-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 29 stabilizing places and 42 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' '!(((p0 U (p1 U p2))&&F(p3)&&X(F(p4))))'
Support contains 39 out of 46 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 46/46 places, 266/266 transitions.
Applied a total of 0 rules in 1 ms. Remains 46 /46 variables (removed 0) and now considering 266/266 (removed 0) transitions.
Skipped dead transition search.
[2026-05-22 20:19:20] [INFO ] Flow matrix only has 86 transitions (discarded 180 similar events)
[2026-05-22 20:19:20] [INFO ] Invariant cache hit.
[2026-05-22 20:19:20] [INFO ] Implicit Places using invariants in 33 ms returned [13]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 35 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 45/46 places, 266/266 transitions.
Applied a total of 0 rules in 1 ms. Remains 45 /45 variables (removed 0) and now considering 266/266 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 37 ms. Remains : 45/46 places, 266/266 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0 U (p1 U p2))&&F(p3)&&X(F(p4))))'
Stuttering acceptance computed with spot in 388 ms :[(OR (NOT p2) (NOT p3) (NOT p4)), true, (NOT p2), (NOT p2), (NOT p3), (NOT p4)]
Running random walk in product with property : BridgeAndVehicles-COL-V10P10N10-LTLFireability-00
Entered a terminal (fully accepting) state of product in 55 steps with 4 reset in 9 ms.
FORMULA BridgeAndVehicles-COL-V10P10N10-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V10P10N10-LTLFireability-00 finished in 509 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&&(X(X(X(p0)))||(p1&&X(p0))))))'
Support contains 16 out of 46 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 46/46 places, 266/266 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 45 transition count 265
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 45 transition count 265
Applied a total of 2 rules in 4 ms. Remains 45 /46 variables (removed 1) and now considering 265/266 (removed 1) transitions.
Running 262 sub problems to find dead transitions.
[2026-05-22 20:19:21] [INFO ] Flow matrix only has 85 transitions (discarded 180 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3958511439242990739.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2437368357563542235.kers'
[2026-05-22 20:19:21] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3958511439242990739.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2437368357563542235.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 85 rows 44 cols 373 entries
Finished phase 1 with 37 SingleSign rule and 1 generalized
[2026-05-22 20:19:21] [INFO ] Computed 7 invariants in 0 ms
Computed 7 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-2437368357563542235.kers
Total runtime 0 ms.
[2026-05-22 20:19:21] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/45 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/45 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 3 (OVERLAPS) 85/130 variables, 45/53 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/130 variables, 20/73 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/130 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 6 (OVERLAPS) 0/130 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 262 unsolved
No progress, stopping.
After SMT solving in domain Real declared 130/130 variables, and 73 constraints, problems are : Problem set: 0 solved, 262 unsolved in 5223 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 45/45 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 262/262 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 262 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/45 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/45 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 3 (OVERLAPS) 85/130 variables, 45/53 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/130 variables, 20/73 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/130 variables, 262/335 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 7 (OVERLAPS) 0/130 variables, 1/336 constraints. Problems are: Problem set: 0 solved, 262 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 130/130 variables, and 336 constraints, problems are : Problem set: 0 solved, 262 unsolved in 20017 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 45/45 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 262/262 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 25341ms problems are : Problem set: 0 solved, 262 unsolved
Search for dead transitions found 0 dead transitions in 25342ms
[2026-05-22 20:19:46] [INFO ] Flow matrix only has 85 transitions (discarded 180 similar events)
[2026-05-22 20:19:46] [INFO ] Invariant cache hit.
[2026-05-22 20:19:46] [INFO ] Implicit Places using invariants in 64 ms returned [26]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 70 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 44/46 places, 265/266 transitions.
Applied a total of 0 rules in 3 ms. Remains 44 /44 variables (removed 0) and now considering 265/265 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 25420 ms. Remains : 44/46 places, 265/266 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&&(X(X(X(p0)))||(X(p0)&&p1)))))'
Stuttering acceptance computed with spot in 293 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-COL-V10P10N10-LTLFireability-01
Product exploration explored 100000 steps with 3935 reset in 472 ms.
Stuttering criterion allowed to conclude after 91416 steps with 3711 reset in 333 ms.
FORMULA BridgeAndVehicles-COL-V10P10N10-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V10P10N10-LTLFireability-01 finished in 26547 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))&&(F(!p2)||p1)) U X(X(p3))))'
Support contains 16 out of 46 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 46/46 places, 266/266 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 45 transition count 265
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 45 transition count 265
Applied a total of 2 rules in 6 ms. Remains 45 /46 variables (removed 1) and now considering 265/266 (removed 1) transitions.
Skipped dead transition search.
[2026-05-22 20:19:47] [INFO ] Flow matrix only has 85 transitions (discarded 180 similar events)
[2026-05-22 20:19:47] [INFO ] Invariant cache hit.
[2026-05-22 20:19:47] [INFO ] Implicit Places using invariants in 90 ms returned [13, 26]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 94 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 43/46 places, 265/266 transitions.
Applied a total of 0 rules in 3 ms. Remains 43 /43 variables (removed 0) and now considering 265/265 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 104 ms. Remains : 43/46 places, 265/266 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))&&(F(!p2)||p1)) U X(X(p3))))'
Stuttering acceptance computed with spot in 337 ms :[(NOT p3), (NOT p3), (AND p2 (NOT p3)), (NOT p3), (AND p2 (NOT p3)), (AND p2 (NOT p3)), (NOT p0), p2]
Running random walk in product with property : BridgeAndVehicles-COL-V10P10N10-LTLFireability-05
Stuttering criterion allowed to conclude after 119 steps with 5 reset in 4 ms.
FORMULA BridgeAndVehicles-COL-V10P10N10-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V10P10N10-LTLFireability-05 finished in 492 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(((G(!p0) U X(X(!p1))) U p2))))'
Support contains 14 out of 46 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 46/46 places, 266/266 transitions.
Applied a total of 0 rules in 4 ms. Remains 46 /46 variables (removed 0) and now considering 266/266 (removed 0) transitions.
Running 263 sub problems to find dead transitions.
[2026-05-22 20:19:48] [INFO ] Flow matrix only has 86 transitions (discarded 180 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9427377391412537803.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3347833261643456396.kers'
[2026-05-22 20:19:48] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9427377391412537803.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3347833261643456396.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 86 rows 46 cols 396 entries
Finished phase 1 with 38 SingleSign rule and 1 generalized
[2026-05-22 20:19:48] [INFO ] Computed 7 invariants in 0 ms
Computed 7 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-3347833261643456396.kers
Total runtime 2 ms.
[2026-05-22 20:19:48] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/46 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/46 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 3 (OVERLAPS) 86/132 variables, 46/54 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/132 variables, 20/74 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/132 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 6 (OVERLAPS) 0/132 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 263 unsolved
No progress, stopping.
After SMT solving in domain Real declared 132/132 variables, and 74 constraints, problems are : Problem set: 0 solved, 263 unsolved in 5444 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 46/46 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 263/263 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 263 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/46 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/46 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 3 (OVERLAPS) 86/132 variables, 46/54 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/132 variables, 20/74 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/132 variables, 263/337 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/132 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 7 (OVERLAPS) 0/132 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 263 unsolved
No progress, stopping.
After SMT solving in domain Int declared 132/132 variables, and 337 constraints, problems are : Problem set: 0 solved, 263 unsolved in 20014 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 46/46 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 263/263 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 25562ms problems are : Problem set: 0 solved, 263 unsolved
Search for dead transitions found 0 dead transitions in 25563ms
[2026-05-22 20:20:13] [INFO ] Flow matrix only has 86 transitions (discarded 180 similar events)
[2026-05-22 20:20:13] [INFO ] Invariant cache hit.
[2026-05-22 20:20:13] [INFO ] Implicit Places using invariants in 57 ms returned [13]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 70 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 45/46 places, 266/266 transitions.
Applied a total of 0 rules in 1 ms. Remains 45 /45 variables (removed 0) and now considering 266/266 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 25641 ms. Remains : 45/46 places, 266/266 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(((G(!p0) U X(X(!p1))) U p2))))'
Stuttering acceptance computed with spot in 323 ms :[(NOT p2), (NOT p2), p1, (NOT p2), p1, p1, true, p1, p0]
Running random walk in product with property : BridgeAndVehicles-COL-V10P10N10-LTLFireability-07
Entered a terminal (fully accepting) state of product in 63 steps with 2 reset in 1 ms.
FORMULA BridgeAndVehicles-COL-V10P10N10-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V10P10N10-LTLFireability-07 finished in 26008 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(G(p1))||p0) U X(X(!p2)))))'
Support contains 15 out of 46 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 46/46 places, 266/266 transitions.
Applied a total of 0 rules in 2 ms. Remains 46 /46 variables (removed 0) and now considering 266/266 (removed 0) transitions.
Skipped dead transition search.
[2026-05-22 20:20:14] [INFO ] Flow matrix only has 86 transitions (discarded 180 similar events)
[2026-05-22 20:20:14] [INFO ] Invariant cache hit.
[2026-05-22 20:20:14] [INFO ] Implicit Places using invariants in 63 ms returned [13]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 72 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 45/46 places, 266/266 transitions.
Applied a total of 0 rules in 1 ms. Remains 45 /45 variables (removed 0) and now considering 266/266 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 76 ms. Remains : 45/46 places, 266/266 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(G(p1))||p0) U X(X(!p2)))))'
Stuttering acceptance computed with spot in 222 ms :[p2, (AND p2 (NOT p1)), p2, (AND p2 (NOT p1)), (AND p2 (NOT p1)), p2, (NOT p1)]
Running random walk in product with property : BridgeAndVehicles-COL-V10P10N10-LTLFireability-08
Stuttering criterion allowed to conclude after 85 steps with 0 reset in 0 ms.
FORMULA BridgeAndVehicles-COL-V10P10N10-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V10P10N10-LTLFireability-08 finished in 331 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(!p0)&&F(G(p1)))))'
Support contains 16 out of 46 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 46/46 places, 266/266 transitions.
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 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 45 transition count 265
Applied a total of 2 rules in 28 ms. Remains 45 /46 variables (removed 1) and now considering 265/266 (removed 1) transitions.
Running 262 sub problems to find dead transitions.
[2026-05-22 20:20:14] [INFO ] Flow matrix only has 85 transitions (discarded 180 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16747240519716696333.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1914342961793042765.kers'
[2026-05-22 20:20:14] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16747240519716696333.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1914342961793042765.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 85 rows 44 cols 363 entries
Finished phase 1 with 37 SingleSign rule and 1 generalized
[2026-05-22 20:20:14] [INFO ] Computed 7 invariants in 0 ms
Computed 7 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-1914342961793042765.kers
Total runtime 0 ms.
[2026-05-22 20:20:14] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/45 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/45 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 3 (OVERLAPS) 85/130 variables, 45/53 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/130 variables, 20/73 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/130 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 6 (OVERLAPS) 0/130 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 262 unsolved
No progress, stopping.
After SMT solving in domain Real declared 130/130 variables, and 73 constraints, problems are : Problem set: 0 solved, 262 unsolved in 5113 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 45/45 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 262/262 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 262 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/45 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/45 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 3 (OVERLAPS) 85/130 variables, 45/53 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/130 variables, 20/73 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/130 variables, 262/335 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 7 (OVERLAPS) 0/130 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 262 unsolved
No progress, stopping.
After SMT solving in domain Int declared 130/130 variables, and 335 constraints, problems are : Problem set: 0 solved, 262 unsolved in 16437 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 45/45 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 262/262 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 21633ms problems are : Problem set: 0 solved, 262 unsolved
Search for dead transitions found 0 dead transitions in 21634ms
[2026-05-22 20:20:36] [INFO ] Flow matrix only has 85 transitions (discarded 180 similar events)
[2026-05-22 20:20:36] [INFO ] Invariant cache hit.
[2026-05-22 20:20:36] [INFO ] Implicit Places using invariants in 62 ms returned [13, 26]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 63 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 43/46 places, 265/266 transitions.
Applied a total of 0 rules in 12 ms. Remains 43 /43 variables (removed 0) and now considering 265/265 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 21738 ms. Remains : 43/46 places, 265/266 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Stuttering acceptance computed with spot in 128 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : BridgeAndVehicles-COL-V10P10N10-LTLFireability-10
Stuttering criterion allowed to conclude after 76 steps with 0 reset in 1 ms.
FORMULA BridgeAndVehicles-COL-V10P10N10-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V10P10N10-LTLFireability-10 finished in 21891 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)&&X(X((p1&&X(X(G(p2))))))))'
Support contains 6 out of 46 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 46/46 places, 266/266 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 45 transition count 265
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 45 transition count 265
Applied a total of 2 rules in 7 ms. Remains 45 /46 variables (removed 1) and now considering 265/266 (removed 1) transitions.
Skipped dead transition search.
[2026-05-22 20:20:36] [INFO ] Flow matrix only has 85 transitions (discarded 180 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1947262301064679193.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16123179488829898111.kers'
[2026-05-22 20:20:36] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1947262301064679193.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16123179488829898111.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 85 rows 44 cols 373 entries
Finished phase 1 with 37 SingleSign rule and 1 generalized
[2026-05-22 20:20:36] [INFO ] Computed 7 invariants in 0 ms
Computed 7 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-16123179488829898111.kers
Total runtime 1 ms.
[2026-05-22 20:20:36] [INFO ] Implicit Places using invariants in 71 ms returned [13, 26]
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 : 43/46 places, 265/266 transitions.
Applied a total of 0 rules in 2 ms. Remains 43 /43 variables (removed 0) and now considering 265/265 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 82 ms. Remains : 43/46 places, 265/266 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)&&X(X((p1&&X(X(G(p2))))))))'
Stuttering acceptance computed with spot in 230 ms :[(OR (NOT p1) (NOT p2) (NOT p0)), (NOT p0), (OR (NOT p2) (NOT p1)), (OR (NOT p1) (NOT p2)), true, (NOT p2), (NOT p2)]
Running random walk in product with property : BridgeAndVehicles-COL-V10P10N10-LTLFireability-11
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA BridgeAndVehicles-COL-V10P10N10-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V10P10N10-LTLFireability-11 finished in 344 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((X(p0)&&G((!p1||G(!p2)))))))'
Support contains 26 out of 46 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 46/46 places, 266/266 transitions.
Applied a total of 0 rules in 2 ms. Remains 46 /46 variables (removed 0) and now considering 266/266 (removed 0) transitions.
Running 263 sub problems to find dead transitions.
[2026-05-22 20:20:36] [INFO ] Flow matrix only has 86 transitions (discarded 180 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17216150222273624427.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11862133451244824510.kers'
[2026-05-22 20:20:36] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17216150222273624427.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11862133451244824510.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 86 rows 46 cols 396 entries
Finished phase 1 with 38 SingleSign rule and 1 generalized
[2026-05-22 20:20:36] [INFO ] Computed 7 invariants in 0 ms
Computed 7 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-11862133451244824510.kers
Total runtime 1 ms.
[2026-05-22 20:20:36] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/46 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/46 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 3 (OVERLAPS) 86/132 variables, 46/54 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/132 variables, 20/74 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/132 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 6 (OVERLAPS) 0/132 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 263 unsolved
No progress, stopping.
After SMT solving in domain Real declared 132/132 variables, and 74 constraints, problems are : Problem set: 0 solved, 263 unsolved in 5538 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 46/46 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 263/263 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 263 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/46 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/46 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 3 (OVERLAPS) 86/132 variables, 46/54 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/132 variables, 20/74 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/132 variables, 263/337 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/132 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 7 (OVERLAPS) 0/132 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 263 unsolved
No progress, stopping.
After SMT solving in domain Int declared 132/132 variables, and 337 constraints, problems are : Problem set: 0 solved, 263 unsolved in 20010 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 46/46 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 263/263 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 25653ms problems are : Problem set: 0 solved, 263 unsolved
Search for dead transitions found 0 dead transitions in 25654ms
[2026-05-22 20:21:02] [INFO ] Flow matrix only has 86 transitions (discarded 180 similar events)
[2026-05-22 20:21:02] [INFO ] Invariant cache hit.
[2026-05-22 20:21:02] [INFO ] Implicit Places using invariants in 46 ms returned [27]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 48 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 45/46 places, 266/266 transitions.
Applied a total of 0 rules in 1 ms. Remains 45 /45 variables (removed 0) and now considering 266/266 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 25707 ms. Remains : 45/46 places, 266/266 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((X(p0)&&G((p1||G(p2)))))))'
Stuttering acceptance computed with spot in 267 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), true, (NOT p0), (NOT p2), (AND (NOT p2) (NOT p1))]
Running random walk in product with property : BridgeAndVehicles-COL-V10P10N10-LTLFireability-13
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA BridgeAndVehicles-COL-V10P10N10-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V10P10N10-LTLFireability-13 finished in 26007 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X((p0&&G(F(p0)))) U G(p0))))'
Support contains 23 out of 46 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 46/46 places, 266/266 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 45 transition count 265
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 45 transition count 265
Applied a total of 2 rules in 5 ms. Remains 45 /46 variables (removed 1) and now considering 265/266 (removed 1) transitions.
Running 262 sub problems to find dead transitions.
[2026-05-22 20:21:02] [INFO ] Flow matrix only has 85 transitions (discarded 180 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15330557771731395201.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18410584936427632220.kers'
[2026-05-22 20:21:02] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15330557771731395201.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18410584936427632220.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 85 rows 44 cols 373 entries
Finished phase 1 with 37 SingleSign rule and 1 generalized
[2026-05-22 20:21:02] [INFO ] Computed 7 invariants in 0 ms
Computed 7 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-18410584936427632220.kers
Total runtime 1 ms.
[2026-05-22 20:21:02] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/45 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/45 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 3 (OVERLAPS) 85/130 variables, 45/53 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/130 variables, 20/73 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/130 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 6 (OVERLAPS) 0/130 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 262 unsolved
No progress, stopping.
After SMT solving in domain Real declared 130/130 variables, and 73 constraints, problems are : Problem set: 0 solved, 262 unsolved in 4965 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 45/45 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 262/262 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 262 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/45 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/45 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 3 (OVERLAPS) 85/130 variables, 45/53 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/130 variables, 20/73 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/130 variables, 262/335 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 7 (OVERLAPS) 0/130 variables, 1/336 constraints. Problems are: Problem set: 0 solved, 262 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 130/130 variables, and 336 constraints, problems are : Problem set: 0 solved, 262 unsolved in 20015 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 45/45 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 262/262 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 25059ms problems are : Problem set: 0 solved, 262 unsolved
Search for dead transitions found 0 dead transitions in 25060ms
[2026-05-22 20:21:27] [INFO ] Flow matrix only has 85 transitions (discarded 180 similar events)
[2026-05-22 20:21:27] [INFO ] Invariant cache hit.
[2026-05-22 20:21:27] [INFO ] Implicit Places using invariants in 46 ms returned [13, 26]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 47 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 43/46 places, 265/266 transitions.
Applied a total of 0 rules in 1 ms. Remains 43 /43 variables (removed 0) and now considering 265/265 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 25114 ms. Remains : 43/46 places, 265/266 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X((G(F(p0))&&p0)) U G(p0))))'
Stuttering acceptance computed with spot in 123 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-COL-V10P10N10-LTLFireability-14
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA BridgeAndVehicles-COL-V10P10N10-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V10P10N10-LTLFireability-14 finished in 25267 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 25 out of 46 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 46/46 places, 266/266 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 45 transition count 265
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 45 transition count 265
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 43 transition count 264
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 41 transition count 262
Applied a total of 9 rules in 22 ms. Remains 41 /46 variables (removed 5) and now considering 262/266 (removed 4) transitions.
[2026-05-22 20:21:28] [INFO ] Flow matrix only has 82 transitions (discarded 180 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15471233825535055047.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17304378593184623872.kers'
[2026-05-22 20:21:28] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15471233825535055047.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17304378593184623872.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 82 rows 41 cols 348 entries
Finished phase 1 with 34 SingleSign rule and 1 generalized
[2026-05-22 20:21:28] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-17304378593184623872.kers
Total runtime 0 ms.
[2026-05-22 20:21:28] [INFO ] Implicit Places using invariants in 40 ms returned [12, 24]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 42 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 39/46 places, 262/266 transitions.
Applied a total of 0 rules in 7 ms. Remains 39 /39 variables (removed 0) and now considering 262/262 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 72 ms. Remains : 39/46 places, 262/266 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 34 ms :[(NOT p0)]
Running random walk in product with property : BridgeAndVehicles-COL-V10P10N10-LTLFireability-15
Product exploration explored 100000 steps with 3498 reset in 567 ms.
Product exploration explored 100000 steps with 3516 reset in 534 ms.
Computed a total of 24 stabilizing places and 40 stable transitions
Computed a total of 24 stabilizing places and 40 stable transitions
Knowledge based reduction with 3 factoid took 47 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
RANDOM walk for 111 steps (0 resets) in 4 ms. (22 steps per ms) remains 0/1 properties
Knowledge based reduction with 3 factoid took 58 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 26 ms :[(NOT p0)]
[2026-05-22 20:21:29] [INFO ] Flow matrix only has 82 transitions (discarded 180 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1482166148462540813.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8275832330272649053.kers'
[2026-05-22 20:21:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1482166148462540813.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8275832330272649053.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 82 rows 39 cols 308 entries
Finished phase 1 with 35 SingleSign rule and 0 generalized
[2026-05-22 20:21:29] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-8275832330272649053.kers
Total runtime 0 ms.
[2026-05-22 20:21:29] [INFO ] [Real]Absence check using 4 positive place invariants in 4 ms returned sat
[2026-05-22 20:21:30] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2026-05-22 20:21:30] [INFO ] Solution in real domain found non-integer solution.
[2026-05-22 20:21:30] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-22 20:21:30] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2026-05-22 20:21:30] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-22 20:21:30] [INFO ] [Nat]Added 20 Read/Feed constraints in 30 ms returned sat
[2026-05-22 20:21:30] [INFO ] Computed and/alt/rep : 28/56/28 causal constraints (skipped 51 transitions) in 11 ms.
[2026-05-22 20:21:30] [INFO ] Added : 7 causal constraints over 2 iterations in 56 ms. Result :sat
Could not prove EG (NOT p0)
Knowledge-based reduction took 1243 ms.
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
Support contains 25 out of 39 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 39/39 places, 262/262 transitions.
Applied a total of 0 rules in 10 ms. Remains 39 /39 variables (removed 0) and now considering 262/262 (removed 0) transitions.
[2026-05-22 20:21:30] [INFO ] Flow matrix only has 82 transitions (discarded 180 similar events)
[2026-05-22 20:21:30] [INFO ] Invariant cache hit.
[2026-05-22 20:21:30] [INFO ] Implicit Places using invariants in 33 ms returned []
[2026-05-22 20:21:30] [INFO ] Flow matrix only has 82 transitions (discarded 180 similar events)
[2026-05-22 20:21:30] [INFO ] Invariant cache hit.
[2026-05-22 20:21:30] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-22 20:21:30] [INFO ] Implicit Places using invariants and state equation in 58 ms returned []
Implicit Place search using SMT with State Equation took 93 ms to find 0 implicit places.
[2026-05-22 20:21:30] [INFO ] Redundant transitions in 12 ms returned []
Running 259 sub problems to find dead transitions.
[2026-05-22 20:21:30] [INFO ] Flow matrix only has 82 transitions (discarded 180 similar events)
[2026-05-22 20:21:30] [INFO ] Invariant cache hit.
[2026-05-22 20:21:30] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/39 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/39 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 2 (OVERLAPS) 82/121 variables, 39/43 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/121 variables, 20/63 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/121 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 5 (OVERLAPS) 0/121 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 259 unsolved
No progress, stopping.
After SMT solving in domain Real declared 121/121 variables, and 63 constraints, problems are : Problem set: 0 solved, 259 unsolved in 3024 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 39/39 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 259/259 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 259 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/39 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/39 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 2 (OVERLAPS) 82/121 variables, 39/43 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/121 variables, 20/63 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/121 variables, 259/322 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/121 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 6 (OVERLAPS) 0/121 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 259 unsolved
No progress, stopping.
After SMT solving in domain Int declared 121/121 variables, and 322 constraints, problems are : Problem set: 0 solved, 259 unsolved in 25966 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 39/39 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 259/259 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 29063ms problems are : Problem set: 0 solved, 259 unsolved
Search for dead transitions found 0 dead transitions in 29064ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 29187 ms. Remains : 39/39 places, 262/262 transitions.
Computed a total of 24 stabilizing places and 40 stable transitions
Computed a total of 24 stabilizing places and 40 stable transitions
Knowledge based reduction with 3 factoid took 47 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
RANDOM walk for 113 steps (0 resets) in 7 ms. (14 steps per ms) remains 0/1 properties
Knowledge based reduction with 3 factoid took 68 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 45 ms :[(NOT p0)]
[2026-05-22 20:22:00] [INFO ] Flow matrix only has 82 transitions (discarded 180 similar events)
[2026-05-22 20:22:00] [INFO ] Invariant cache hit.
[2026-05-22 20:22:00] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-22 20:22:00] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2026-05-22 20:22:00] [INFO ] Solution in real domain found non-integer solution.
[2026-05-22 20:22:00] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-22 20:22:00] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2026-05-22 20:22:00] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-22 20:22:01] [INFO ] [Nat]Added 20 Read/Feed constraints in 31 ms returned sat
[2026-05-22 20:22:01] [INFO ] Computed and/alt/rep : 28/56/28 causal constraints (skipped 51 transitions) in 14 ms.
[2026-05-22 20:22:01] [INFO ] Added : 7 causal constraints over 2 iterations in 46 ms. Result :sat
Could not prove EG (NOT p0)
Knowledge-based reduction took 1252 ms.
Stuttering acceptance computed with spot in 43 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
Product exploration explored 100000 steps with 3522 reset in 516 ms.
Product exploration explored 100000 steps with 3497 reset in 524 ms.
Built C files in :
/tmp/ltsmin15604246048638860342
[2026-05-22 20:22:02] [INFO ] Computing symmetric may disable matrix : 262 transitions.
[2026-05-22 20:22:02] [INFO ] Computation of Complete disable matrix. took 5 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-22 20:22:02] [INFO ] Computing symmetric may enable matrix : 262 transitions.
[2026-05-22 20:22:02] [INFO ] Computation of Complete enable matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-22 20:22:02] [INFO ] Computing Do-Not-Accords matrix : 262 transitions.
[2026-05-22 20:22:02] [INFO ] Computation of Completed DNA matrix. took 7 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-22 20:22:02] [INFO ] Built C files in 92ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin15604246048638860342
Running compilation step : cd /tmp/ltsmin15604246048638860342;'/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 796 ms.
Running link step : cd /tmp/ltsmin15604246048638860342;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 51 ms.
Running LTSmin : cd /tmp/ltsmin15604246048638860342;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased7923031232945324335.hoa' '--buchi-type=spotba'
LTSmin run took 1221 ms.
FORMULA BridgeAndVehicles-COL-V10P10N10-LTLFireability-15 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property BridgeAndVehicles-COL-V10P10N10-LTLFireability-15 finished in 36310 ms.
All properties solved by simple procedures.
Total runtime 214363 ms.

BK_STOP 1779481324497

--------------------
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
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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-V10P10N10"
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-V10P10N10, 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-177946841700012"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-COL-V10P10N10.tgz
mv BridgeAndVehicles-COL-V10P10N10 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 ;