About the Execution of ITS-Tools for BridgeAndVehicles-COL-V20P20N20
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 1894.500 | 342496.00 | 423156.00 | 720.60 | TFFFTFFFFFTFFFTF | 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-177946841700051.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is BridgeAndVehicles-COL-V20P20N20, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r034-tall-177946841700051
=====================================================================
--------------------
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-LTLCardinality-00
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-LTLCardinality-01
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-LTLCardinality-02
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-LTLCardinality-03
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-LTLCardinality-04
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-LTLCardinality-05
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-LTLCardinality-06
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-LTLCardinality-07
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-LTLCardinality-08
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-LTLCardinality-09
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-LTLCardinality-10
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-LTLCardinality-11
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-LTLCardinality-12
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-LTLCardinality-13
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-LTLCardinality-14
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1779489854147
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
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
LTLCardinality COL
Running Version 202604301425
[2026-05-22 22:44:15] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-22 22:44:15] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 22:44:15] [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 22:44:15] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-22 22:44:15] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 559 ms
[2026-05-22 22:44:15] [INFO ] Imported 15 HL places and 11 HL transitions for a total of 78 PT places and 37258.0 transition bindings in 18 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 13 ms.
Working with output stream class java.io.PrintStream
[2026-05-22 22:44:16] [INFO ] Built PT skeleton of HLPN with 15 places and 11 transitions 56 arcs in 6 ms.
[2026-05-22 22:44:16] [INFO ] Skeletonized 16 HLPN properties in 1 ms.
Initial state reduction rules removed 2 formulas.
FORMULA BridgeAndVehicles-COL-V20P20N20-LTLCardinality-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V20P20N20-LTLCardinality-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
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 14 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 40000 steps (8 resets) in 1148 ms. (34 steps per ms) remains 5/28 properties
BEST_FIRST walk for 40001 steps (8 resets) in 413 ms. (96 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (8 resets) in 281 ms. (141 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (8 resets) in 152 ms. (261 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (8 resets) in 94 ms. (421 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (8 resets) in 169 ms. (235 steps per ms) remains 5/5 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8905558169687604506.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17249262352441867754.kers'
[2026-05-22 22:44:17] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8905558169687604506.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17249262352441867754.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 10 rows 12 cols 28 entries
Finished phase 1 with 8 SingleSign rule and 0 generalized
[2026-05-22 22:44:17] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-17249262352441867754.kers
Total runtime 3 ms.
Problem AtomicPropp4 is UNSAT
Problem AtomicPropp22 is UNSAT
Problem AtomicPropp23 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 1/1 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 4/9 variables, 2/3 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 3/12 variables, 1/4 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/12 variables, 0/4 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 10/22 variables, 12/16 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/22 variables, 0/16 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/22 variables, 0/16 constraints. Problems are: Problem set: 3 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 22/22 variables, and 16 constraints, problems are : Problem set: 3 solved, 2 unsolved in 192 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 3 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 2/2 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 3/9 variables, 1/3 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 6/15 variables, 9/12 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/12 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 6/21 variables, 2/14 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/21 variables, 2/16 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/21 variables, 0/16 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 1/22 variables, 1/17 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/22 variables, 1/18 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/22 variables, 0/18 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/22 variables, 0/18 constraints. Problems are: Problem set: 3 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 22/22 variables, and 18 constraints, problems are : Problem set: 3 solved, 2 unsolved in 114 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 2/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 349ms problems are : Problem set: 3 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Finished Parikh walk after 79 steps, including 0 resets, run visited all 2 properties in 2 ms. (steps per millisecond=39 )
Parikh walk visited 2 properties in 6 ms.
Successfully simplified 3 atomic propositions for a total of 13 simplifications.
FORMULA BridgeAndVehicles-COL-V20P20N20-LTLCardinality-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-22 22:44:17] [INFO ] Initial state reduction rules for LTL removed 3 formulas.
[2026-05-22 22:44:17] [INFO ] Flatten gal took : 15 ms
FORMULA BridgeAndVehicles-COL-V20P20N20-LTLCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V20P20N20-LTLCardinality-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V20P20N20-LTLCardinality-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-22 22:44:17] [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 22:44:17] [INFO ] Unfolded HLPN to a Petri net with 78 places and 968 transitions 7350 arcs in 52 ms.
[2026-05-22 22:44:17] [INFO ] Unfolded 10 HLPN properties in 0 ms.
Support contains 14 out of 78 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 78/78 places, 968/968 transitions.
Applied a total of 0 rules in 22 ms. Remains 78 /78 variables (removed 0) and now considering 968/968 (removed 0) transitions.
Running 965 sub problems to find dead transitions.
[2026-05-22 22:44:17] [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-15205273413274111551.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3999477533409555083.kers'
[2026-05-22 22:44:17] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15205273413274111551.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3999477533409555083.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 170 rows 78 cols 790 entries
Finished phase 1 with 31 SingleSign rule and 40 generalized
[2026-05-22 22:44:17] [INFO ] Computed 7 invariants in 0 ms
Computed 7 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-3999477533409555083.kers
Total runtime 3 ms.
[2026-05-22 22:44:17] [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
At refinement iteration 3 (OVERLAPS) 2/78 variables, 2/9 constraints. Problems are: Problem set: 40 solved, 925 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 78/248 variables, and 9 constraints, problems are : Problem set: 40 solved, 925 unsolved in 20046 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 0/78 constraints, ReadFeed: 0/42 constraints, PredecessorRefiner: 965/924 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 40 solved, 925 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 5/5 constraints. Problems are: Problem set: 40 solved, 925 unsolved
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
At refinement iteration 3 (OVERLAPS) 2/78 variables, 2/9 constraints. Problems are: Problem set: 40 solved, 925 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 1/10 constraints. Problems are: Problem set: 40 solved, 925 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/78 variables, 0/10 constraints. Problems are: Problem set: 40 solved, 925 unsolved
Problem TDEAD20 is UNSAT
Problem TDEAD65 is UNSAT
At refinement iteration 6 (OVERLAPS) 170/248 variables, 78/88 constraints. Problems are: Problem set: 42 solved, 923 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/248 variables, 42/130 constraints. Problems are: Problem set: 42 solved, 923 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 248/248 variables, and 1052 constraints, problems are : Problem set: 42 solved, 923 unsolved in 20950 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 78/78 constraints, ReadFeed: 42/42 constraints, PredecessorRefiner: 923/924 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 42683ms problems are : Problem set: 42 solved, 923 unsolved
Search for dead transitions found 42 dead transitions in 42697ms
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 22:45:00] [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-3964163058559514351.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10362664097255779372.kers'
[2026-05-22 22:45:00] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3964163058559514351.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10362664097255779372.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 166 rows 78 cols 778 entries
Finished phase 1 with 28 SingleSign rule and 41 generalized
[2026-05-22 22:45:00] [INFO ] Computed 9 invariants in 1 ms
Computed 9 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-10362664097255779372.kers
Total runtime 2 ms.
[2026-05-22 22:45:00] [INFO ] Implicit Places using invariants in 156 ms returned []
[2026-05-22 22:45:00] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2026-05-22 22:45:00] [INFO ] Invariant cache hit.
[2026-05-22 22:45:00] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-22 22:45:00] [INFO ] Implicit Places using invariants and state equation in 291 ms returned []
Implicit Place search using SMT with State Equation took 453 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 78/78 places, 926/968 transitions.
Applied a total of 0 rules in 12 ms. Remains 78 /78 variables (removed 0) and now considering 926/926 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 43242 ms. Remains : 78/78 places, 926/968 transitions.
Starting structural reductions in LTL mode, iteration 0 : 78/78 places, 926/926 transitions.
Applied a total of 0 rules in 9 ms. Remains 78 /78 variables (removed 0) and now considering 926/926 (removed 0) transitions.
Running 923 sub problems to find dead transitions.
[2026-05-22 22:45:00] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2026-05-22 22:45:00] [INFO ] Invariant cache hit.
[2026-05-22 22:45:00] [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) 2/78 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 923 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 78/244 variables, and 12 constraints, problems are : Problem set: 0 solved, 923 unsolved in 20025 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 0/78 constraints, ReadFeed: 0/40 constraints, PredecessorRefiner: 923/922 constraints, Known Traps: 3/3 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) 2/78 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/78 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 6 (OVERLAPS) 166/244 variables, 78/90 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/244 variables, 40/130 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/244 variables, 922/1052 constraints. Problems are: Problem set: 0 solved, 923 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 1052 constraints, problems are : Problem set: 0 solved, 923 unsolved in 20030 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 78/78 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 923/922 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40969ms problems are : Problem set: 0 solved, 923 unsolved
Search for dead transitions found 0 dead transitions in 40972ms
[2026-05-22 22:45:41] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2026-05-22 22:45:41] [INFO ] Invariant cache hit.
[2026-05-22 22:45:41] [INFO ] Implicit Places using invariants in 132 ms returned []
[2026-05-22 22:45:41] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2026-05-22 22:45:41] [INFO ] Invariant cache hit.
[2026-05-22 22:45:41] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-22 22:45:42] [INFO ] Implicit Places using invariants and state equation in 306 ms returned []
Implicit Place search using SMT with State Equation took 450 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 41436 ms. Remains : 78/78 places, 926/926 transitions.
Support contains 14 out of 78 places after structural reductions.
[2026-05-22 22:45:42] [INFO ] Flatten gal took : 67 ms
[2026-05-22 22:45:42] [INFO ] Flatten gal took : 55 ms
[2026-05-22 22:45:42] [INFO ] Input system was already deterministic with 926 transitions.
RANDOM walk for 40000 steps (228 resets) in 1981 ms. (20 steps per ms) remains 3/24 properties
BEST_FIRST walk for 40003 steps (74 resets) in 92 ms. (430 steps per ms) remains 1/3 properties
BEST_FIRST walk for 40003 steps (88 resets) in 108 ms. (367 steps per ms) remains 1/1 properties
[2026-05-22 22:45:43] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2026-05-22 22:45:43] [INFO ] Invariant cache hit.
[2026-05-22 22:45:43] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem AtomicPropp4 is UNSAT
After SMT solving in domain Real declared 6/244 variables, and 1 constraints, problems are : Problem set: 1 solved, 0 unsolved in 55 ms.
Refiners :[Positive P Invariants (semi-flows): 1/7 constraints, Generalized P Invariants (flows): 0/2 constraints, State Equation: 0/78 constraints, ReadFeed: 0/40 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 73ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
FORMULA BridgeAndVehicles-COL-V20P20N20-LTLCardinality-07 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 1 atomic propositions for a total of 9 simplifications.
Computed a total of 51 stabilizing places and 82 stable transitions
Graph (complete) has 1639 edges and 78 vertex of which 76 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.15 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 3 out of 78 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 78/78 places, 926/926 transitions.
Graph (complete) has 1639 edges and 78 vertex of which 76 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.5 ms
Discarding 2 places :
Also discarding 0 output transitions
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 2 place count 75 transition count 925
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 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 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 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 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 10 place count 71 transition count 922
Applied a total of 10 rules in 140 ms. Remains 71 /78 variables (removed 7) and now considering 922/926 (removed 4) transitions.
[2026-05-22 22:45:43] [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-4315977781661407461.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7109491080294823675.kers'
[2026-05-22 22:45:43] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4315977781661407461.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7109491080294823675.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 22:45:43] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-7109491080294823675.kers
Total runtime 2 ms.
[2026-05-22 22:45:43] [INFO ] Implicit Places using invariants in 286 ms returned [22]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 313 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 70/78 places, 922/926 transitions.
Applied a total of 0 rules in 106 ms. Remains 70 /70 variables (removed 0) and now considering 922/922 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 559 ms. Remains : 70/78 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 496 ms :[(NOT p0)]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N20-LTLCardinality-01
Stuttering criterion allowed to conclude after 123 steps with 0 reset in 9 ms.
FORMULA BridgeAndVehicles-COL-V20P20N20-LTLCardinality-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V20P20N20-LTLCardinality-01 finished in 1156 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((X((G(p0)&&p1))&&(!(!p0 U p2)||p1)))))'
Support contains 4 out of 78 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 78/78 places, 926/926 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 77 transition count 926
Applied a total of 1 rules in 7 ms. Remains 77 /78 variables (removed 1) and now considering 926/926 (removed 0) transitions.
Running 923 sub problems to find dead transitions.
[2026-05-22 22:45:44] [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-3332752049898587269.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4581935830158590719.kers'
[2026-05-22 22:45:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3332752049898587269.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4581935830158590719.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 166 rows 77 cols 777 entries
Finished phase 1 with 48 SingleSign rule and 21 generalized
[2026-05-22 22:45:44] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-4581935830158590719.kers
Total runtime 0 ms.
[2026-05-22 22:45:44] [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) 1/77 variables, 1/9 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 77/243 variables, and 10 constraints, problems are : Problem set: 0 solved, 923 unsolved in 20020 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/77 constraints, ReadFeed: 0/40 constraints, PredecessorRefiner: 923/922 constraints, Known Traps: 2/2 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) 1/77 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/77 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/77 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 6 (OVERLAPS) 166/243 variables, 77/87 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/243 variables, 40/127 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/243 variables, 922/1049 constraints. Problems are: Problem set: 0 solved, 923 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 243/243 variables, and 1049 constraints, problems are : Problem set: 0 solved, 923 unsolved in 20027 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 77/77 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 923/922 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41276ms problems are : Problem set: 0 solved, 923 unsolved
Search for dead transitions found 0 dead transitions in 41280ms
[2026-05-22 22:46:25] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2026-05-22 22:46:25] [INFO ] Invariant cache hit.
[2026-05-22 22:46:26] [INFO ] Implicit Places using invariants in 180 ms returned [24]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 195 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 76/78 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.
Finished structural reductions in LTL mode , in 2 iterations and 41493 ms. Remains : 76/78 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((X((G(p0)&&p1))&&(!(!p0 U p2)||p1)))))'
Stuttering acceptance computed with spot in 191 ms :[true, (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0) p2), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N20-LTLCardinality-02
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 1 ms.
FORMULA BridgeAndVehicles-COL-V20P20N20-LTLCardinality-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V20P20N20-LTLCardinality-02 finished in 41726 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 3 out of 78 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 78/78 places, 926/926 transitions.
Graph (complete) has 1639 edges and 78 vertex of which 77 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.2 ms
Discarding 1 places :
Also discarding 0 output 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 3 place count 76 transition count 925
Applied a total of 3 rules in 47 ms. Remains 76 /78 variables (removed 2) and now considering 925/926 (removed 1) transitions.
Running 922 sub problems to find dead transitions.
[2026-05-22 22:46:26] [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-3851932155620756216.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14095583532520895445.kers'
[2026-05-22 22:46:26] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3851932155620756216.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14095583532520895445.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 165 rows 75 cols 714 entries
Finished phase 1 with 26 SingleSign rule and 42 generalized
[2026-05-22 22:46:26] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-14095583532520895445.kers
Total runtime 3 ms.
[2026-05-22 22:46:26] [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) 1/76 variables, 1/9 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 76/241 variables, and 10 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20022 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/76 constraints, ReadFeed: 0/40 constraints, PredecessorRefiner: 922/921 constraints, Known Traps: 2/2 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) 1/76 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/76 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/76 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 6 (OVERLAPS) 165/241 variables, 76/86 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/241 variables, 40/126 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/241 variables, 921/1047 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 241/241 variables, and 1047 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20026 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 76/76 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/921 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41043ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 41045ms
[2026-05-22 22:47:07] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2026-05-22 22:47:07] [INFO ] Invariant cache hit.
[2026-05-22 22:47:07] [INFO ] Implicit Places using invariants in 166 ms returned [24, 47]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 181 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 74/78 places, 925/926 transitions.
Applied a total of 0 rules in 37 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 41314 ms. Remains : 74/78 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)))'
Stuttering acceptance computed with spot in 62 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N20-LTLCardinality-03
Stuttering criterion allowed to conclude after 258 steps with 2 reset in 4 ms.
FORMULA BridgeAndVehicles-COL-V20P20N20-LTLCardinality-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V20P20N20-LTLCardinality-03 finished in 41410 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((p0 U X(X((p1 U (p2||G(p1)))))) U p3)))'
Support contains 5 out of 78 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 78/78 places, 926/926 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 77 transition count 926
Applied a total of 1 rules in 7 ms. Remains 77 /78 variables (removed 1) and now considering 926/926 (removed 0) transitions.
Running 923 sub problems to find dead transitions.
[2026-05-22 22:47:07] [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-12850358706409216135.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-497212665901868835.kers'
[2026-05-22 22:47:07] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12850358706409216135.kers, --Pflows, --basisKERS=/tmp/petrispot-output-497212665901868835.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 166 rows 77 cols 777 entries
Finished phase 1 with 48 SingleSign rule and 21 generalized
[2026-05-22 22:47:07] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-497212665901868835.kers
Total runtime 1 ms.
[2026-05-22 22:47:07] [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) 1/77 variables, 1/9 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 77/243 variables, and 10 constraints, problems are : Problem set: 0 solved, 923 unsolved in 20018 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/77 constraints, ReadFeed: 0/40 constraints, PredecessorRefiner: 923/922 constraints, Known Traps: 2/2 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) 1/77 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/77 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/77 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 6 (OVERLAPS) 166/243 variables, 77/87 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/243 variables, 40/127 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/243 variables, 922/1049 constraints. Problems are: Problem set: 0 solved, 923 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 243/243 variables, and 1049 constraints, problems are : Problem set: 0 solved, 923 unsolved in 20023 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 77/77 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 923/922 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41100ms problems are : Problem set: 0 solved, 923 unsolved
Search for dead transitions found 0 dead transitions in 41102ms
[2026-05-22 22:47:48] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2026-05-22 22:47:48] [INFO ] Invariant cache hit.
[2026-05-22 22:47:49] [INFO ] Implicit Places using invariants in 183 ms returned [23, 47]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 187 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 75/78 places, 926/926 transitions.
Applied a total of 0 rules in 3 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 41301 ms. Remains : 75/78 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(((p0 U X(X((p1 U (G(p1)||p2))))) U p3)))'
Stuttering acceptance computed with spot in 278 ms :[(NOT p3), (NOT p3), (AND (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2)), (AND (NOT p2) (NOT p1)), true, (AND (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N20-LTLCardinality-04
Product exploration explored 100000 steps with 50000 reset in 408 ms.
Product exploration explored 100000 steps with 50000 reset in 363 ms.
Computed a total of 48 stabilizing places and 82 stable transitions
Graph (complete) has 1552 edges and 75 vertex of which 74 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.15 ms
Computed a total of 48 stabilizing places and 82 stable transitions
Detected a total of 48/75 stabilizing places and 82/926 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 3/4 atomic propositions.
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 12 factoid took 10 ms. Proved property starting from automaton with 8 states, 14 edges and 4 AP (stutter sensitive
Knowledge-based reduction took 37 ms.
FORMULA BridgeAndVehicles-COL-V20P20N20-LTLCardinality-04 TRUE TECHNIQUES KNOWLEDGE
Treatment of property BridgeAndVehicles-COL-V20P20N20-LTLCardinality-04 finished in 42430 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 4 out of 78 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 78/78 places, 926/926 transitions.
Graph (complete) has 1639 edges and 78 vertex of which 76 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.2 ms
Discarding 2 places :
Also discarding 0 output 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 3 place count 75 transition count 925
Applied a total of 3 rules in 47 ms. Remains 75 /78 variables (removed 3) and now considering 925/926 (removed 1) transitions.
Running 922 sub problems to find dead transitions.
[2026-05-22 22:47:50] [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-1475049787809764299.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15622771736861114266.kers'
[2026-05-22 22:47:50] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1475049787809764299.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15622771736861114266.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 165 rows 74 cols 713 entries
Finished phase 1 with 67 SingleSign rule and 1 generalized
[2026-05-22 22:47:50] [INFO ] Computed 7 invariants in 0 ms
Computed 7 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-15622771736861114266.kers
Total runtime 1 ms.
[2026-05-22 22:47:50] [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 20023 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 41145ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 41147ms
[2026-05-22 22:48:31] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2026-05-22 22:48:31] [INFO ] Invariant cache hit.
[2026-05-22 22:48:31] [INFO ] Implicit Places using invariants in 151 ms returned [23]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 154 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 74/78 places, 925/926 transitions.
Applied a total of 0 rules in 38 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 41391 ms. Remains : 74/78 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)))'
Stuttering acceptance computed with spot in 59 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N20-LTLCardinality-05
Stuttering criterion allowed to conclude after 149 steps with 1 reset in 2 ms.
FORMULA BridgeAndVehicles-COL-V20P20N20-LTLCardinality-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V20P20N20-LTLCardinality-05 finished in 41479 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((((G((p0 U p1))||G(p2)) U G(p1))&&G(p3))))'
Support contains 6 out of 78 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 78/78 places, 926/926 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 926
Applied a total of 2 rules in 8 ms. Remains 76 /78 variables (removed 2) and now considering 926/926 (removed 0) transitions.
Running 923 sub problems to find dead transitions.
[2026-05-22 22:48:31] [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-8482049583522420134.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12974993534756558781.kers'
[2026-05-22 22:48:31] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8482049583522420134.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12974993534756558781.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 22:48:31] [INFO ] Computed 7 invariants in 0 ms
Computed 7 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-12974993534756558781.kers
Total runtime 1 ms.
[2026-05-22 22:48:31] [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 20021 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 20022 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 41128ms problems are : Problem set: 0 solved, 923 unsolved
Search for dead transitions found 0 dead transitions in 41130ms
[2026-05-22 22:49:12] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2026-05-22 22:49:12] [INFO ] Invariant cache hit.
[2026-05-22 22:49:13] [INFO ] Implicit Places using invariants in 161 ms returned [23]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 171 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 75/78 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 41318 ms. Remains : 75/78 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((((G((p0 U p1))||G(p2)) U G(p1))&&G(p3))))'
Stuttering acceptance computed with spot in 273 ms :[(OR (NOT p1) (NOT p3)), (OR (NOT p1) (NOT p3)), true, (AND (NOT p1) p2), (AND (NOT p1) p2), (OR (AND p1 (NOT p2)) (AND p0 (NOT p2))), (NOT p1), (NOT p3)]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N20-LTLCardinality-06
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA BridgeAndVehicles-COL-V20P20N20-LTLCardinality-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V20P20N20-LTLCardinality-06 finished in 41643 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0 U X(p1))&&X(p2)))'
Support contains 4 out of 78 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 78/78 places, 926/926 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 926
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 3 place count 75 transition count 925
Iterating global reduction 1 with 1 rules applied. Total rules applied 4 place count 75 transition count 925
Applied a total of 4 rules in 7 ms. Remains 75 /78 variables (removed 3) and now considering 925/926 (removed 1) transitions.
Running 922 sub problems to find dead transitions.
[2026-05-22 22:49:13] [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-3034933761210407940.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15512652025920265440.kers'
[2026-05-22 22:49:13] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3034933761210407940.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15512652025920265440.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 22:49:13] [INFO ] Computed 7 invariants in 0 ms
Computed 7 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-15512652025920265440.kers
Total runtime 1 ms.
[2026-05-22 22:49:13] [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 20022 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 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]
After SMT, in 40897ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 40900ms
[2026-05-22 22:49:54] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2026-05-22 22:49:54] [INFO ] Invariant cache hit.
[2026-05-22 22:49:54] [INFO ] Implicit Places using invariants in 149 ms returned [46]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 152 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 74/78 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 41068 ms. Remains : 74/78 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' '!(((p0 U X(p1))&&X(p2)))'
Stuttering acceptance computed with spot in 169 ms :[(OR (NOT p1) (NOT p2)), (NOT p1), (NOT p2), (NOT p1), true]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N20-LTLCardinality-08
Entered a terminal (fully accepting) state of product in 3 steps with 1 reset in 1 ms.
FORMULA BridgeAndVehicles-COL-V20P20N20-LTLCardinality-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V20P20N20-LTLCardinality-08 finished in 41265 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(p1)))))'
Support contains 4 out of 78 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 78/78 places, 926/926 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 926
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 3 place count 75 transition count 925
Iterating global reduction 1 with 1 rules applied. Total rules applied 4 place count 75 transition count 925
Applied a total of 4 rules in 9 ms. Remains 75 /78 variables (removed 3) and now considering 925/926 (removed 1) transitions.
Skipped dead transition search.
[2026-05-22 22:49:54] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2026-05-22 22:49:54] [INFO ] Invariant cache hit.
[2026-05-22 22:49:54] [INFO ] Implicit Places using invariants in 139 ms returned []
[2026-05-22 22:49:54] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2026-05-22 22:49:54] [INFO ] Invariant cache hit.
[2026-05-22 22:49:54] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-22 22:49:55] [INFO ] Implicit Places using invariants and state equation in 448 ms returned []
Implicit Place search using SMT with State Equation took 588 ms to find 0 implicit places.
Skipped dead transition search.
Starting structural reductions in LTL mode, iteration 1 : 75/78 places, 925/926 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 598 ms. Remains : 75/78 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(p0)||X(X(p1)))))'
Stuttering acceptance computed with spot in 178 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : BridgeAndVehicles-COL-V20P20N20-LTLCardinality-14
Product exploration explored 100000 steps with 50000 reset in 366 ms.
Product exploration explored 100000 steps with 50000 reset in 366 ms.
Computed a total of 48 stabilizing places and 81 stable transitions
Computed a total of 48 stabilizing places and 81 stable transitions
Detected a total of 48/75 stabilizing places and 81/925 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 3 factoid took 12 ms. Proved property starting from automaton with 5 states, 5 edges and 2 AP (stutter sensitive
Knowledge-based reduction took 18 ms.
FORMULA BridgeAndVehicles-COL-V20P20N20-LTLCardinality-14 TRUE TECHNIQUES KNOWLEDGE
Treatment of property BridgeAndVehicles-COL-V20P20N20-LTLCardinality-14 finished in 1554 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 3 out of 78 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 78/78 places, 926/926 transitions.
Graph (complete) has 1639 edges and 78 vertex of which 76 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.3 ms
Discarding 2 places :
Also discarding 0 output 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 3 place count 75 transition count 925
Applied a total of 3 rules in 44 ms. Remains 75 /78 variables (removed 3) and now considering 925/926 (removed 1) transitions.
Skipped dead transition search.
[2026-05-22 22:49:56] [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-2461870920934470381.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15498720366246000714.kers'
[2026-05-22 22:49:56] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2461870920934470381.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15498720366246000714.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 165 rows 74 cols 713 entries
Finished phase 1 with 67 SingleSign rule and 1 generalized
[2026-05-22 22:49:56] [INFO ] Computed 7 invariants in 0 ms
Computed 7 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-15498720366246000714.kers
Total runtime 1 ms.
[2026-05-22 22:49:56] [INFO ] Implicit Places using invariants in 179 ms returned [23]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 181 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 74/78 places, 925/926 transitions.
Applied a total of 0 rules in 37 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 262 ms. Remains : 74/78 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(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-V20P20N20-LTLCardinality-15
Stuttering criterion allowed to conclude after 149 steps with 1 reset in 1 ms.
FORMULA BridgeAndVehicles-COL-V20P20N20-LTLCardinality-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V20P20N20-LTLCardinality-15 finished in 417 ms.
All properties solved by simple procedures.
Total runtime 341297 ms.
BK_STOP 1779490196643
--------------------
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
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -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 LTLCardinality -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="LTLCardinality"
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 LTLCardinality"
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-177946841700051"
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 [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "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 [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
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 ;