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-177946841800220.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-PT-V20P20N50, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r034-tall-177946841800220
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 6.5M
-rw-r--r-- 1 mcc users 21K Mar 5 08:51 CTLCardinality.txt
-rw-r--r-- 1 mcc users 138K Mar 5 08:51 CTLCardinality.xml
-rw-r--r-- 1 mcc users 381K Mar 5 08:51 CTLFireability.txt
-rw-r--r-- 1 mcc users 1.5M Mar 5 08:51 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 6.2K Mar 15 07:34 LTLCardinality.txt
-rw-r--r-- 1 mcc users 32K Mar 15 07:34 LTLCardinality.xml
-rw-r--r-- 1 mcc users 95K Mar 15 07:34 LTLFireability.txt
-rw-r--r-- 1 mcc users 267K Mar 15 07:34 LTLFireability.xml
-rw-r--r-- 1 mcc users 33K Mar 5 08:53 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 212K Mar 5 08:53 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 410K Mar 5 08:52 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 1.6M Mar 5 08:52 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.7K Mar 15 07:34 UpperBounds.txt
-rw-r--r-- 1 mcc users 5.6K Mar 15 07:34 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 10 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 1.9M 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-PT-V20P20N50-LTLFireability-00
FORMULA_NAME BridgeAndVehicles-PT-V20P20N50-LTLFireability-01
FORMULA_NAME BridgeAndVehicles-PT-V20P20N50-LTLFireability-02
FORMULA_NAME BridgeAndVehicles-PT-V20P20N50-LTLFireability-03
FORMULA_NAME BridgeAndVehicles-PT-V20P20N50-LTLFireability-04
FORMULA_NAME BridgeAndVehicles-PT-V20P20N50-LTLFireability-05
FORMULA_NAME BridgeAndVehicles-PT-V20P20N50-LTLFireability-06
FORMULA_NAME BridgeAndVehicles-PT-V20P20N50-LTLFireability-07
FORMULA_NAME BridgeAndVehicles-PT-V20P20N50-LTLFireability-08
FORMULA_NAME BridgeAndVehicles-PT-V20P20N50-LTLFireability-09
FORMULA_NAME BridgeAndVehicles-PT-V20P20N50-LTLFireability-10
FORMULA_NAME BridgeAndVehicles-PT-V20P20N50-LTLFireability-11
FORMULA_NAME BridgeAndVehicles-PT-V20P20N50-LTLFireability-12
FORMULA_NAME BridgeAndVehicles-PT-V20P20N50-LTLFireability-13
FORMULA_NAME BridgeAndVehicles-PT-V20P20N50-LTLFireability-14
FORMULA_NAME BridgeAndVehicles-PT-V20P20N50-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779542523281

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BridgeAndVehicles-PT-V20P20N50
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-23 13:22:04] [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]
[2026-05-23 13:22:04] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 13:22:04] [INFO ] Load time of PNML (sax parser for PT used): 170 ms
[2026-05-23 13:22:04] [INFO ] Transformed 108 places.
[2026-05-23 13:22:04] [INFO ] Transformed 2228 transitions.
[2026-05-23 13:22:04] [INFO ] Parsed PT model containing 108 places and 2228 transitions and 17190 arcs in 274 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 27 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
FORMULA BridgeAndVehicles-PT-V20P20N50-LTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 106 out of 108 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 108/108 places, 2228/2228 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 106 transition count 2228
Applied a total of 2 rules in 36 ms. Remains 106 /108 variables (removed 2) and now considering 2228/2228 (removed 0) transitions.
Running 2225 sub problems to find dead transitions.
[2026-05-23 13:22:05] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8480907468699375637.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1350201082741096210.kers'
[2026-05-23 13:22:05] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8480907468699375637.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1350201082741096210.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 290 rows 106 cols 1268 entries
Finished phase 1 with 101 SingleSign rule and 0 generalized
[2026-05-23 13:22:05] [INFO ] Computed 5 invariants in 1 ms
Computed 5 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-1350201082741096210.kers
Total runtime 1 ms.
[2026-05-23 13:22:05] [INFO ] State equation strengthened by 102 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2225 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 106/396 variables, and 6 constraints, problems are : Problem set: 0 solved, 2225 unsolved in 20073 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/106 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 2225/142 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2225 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2225 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2225 unsolved
Problem TDEAD1188 is UNSAT
Problem TDEAD1189 is UNSAT
Problem TDEAD1190 is UNSAT
Problem TDEAD1191 is UNSAT
Problem TDEAD1192 is UNSAT
Problem TDEAD1193 is UNSAT
Problem TDEAD1194 is UNSAT
Problem TDEAD1195 is UNSAT
Problem TDEAD1196 is UNSAT
Problem TDEAD1197 is UNSAT
Problem TDEAD1198 is UNSAT
Problem TDEAD1199 is UNSAT
Problem TDEAD1200 is UNSAT
Problem TDEAD1201 is UNSAT
Problem TDEAD1202 is UNSAT
Problem TDEAD1203 is UNSAT
Problem TDEAD1204 is UNSAT
Problem TDEAD1205 is UNSAT
Problem TDEAD1206 is UNSAT
Problem TDEAD1207 is UNSAT
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 106/396 variables, and 7 constraints, problems are : Problem set: 20 solved, 2205 unsolved in 20035 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/106 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 2083/142 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 42046ms problems are : Problem set: 20 solved, 2205 unsolved
Search for dead transitions found 20 dead transitions in 42084ms
Found 20 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 20 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 20 transitions.
[2026-05-23 13:22:47] [INFO ] Flow matrix only has 289 transitions (discarded 1919 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2514911555855623257.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5750744093420996022.kers'
[2026-05-23 13:22:47] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2514911555855623257.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5750744093420996022.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 289 rows 106 cols 1266 entries
Finished phase 1 with 101 SingleSign rule and 0 generalized
[2026-05-23 13:22:47] [INFO ] Computed 5 invariants in 1 ms
Computed 5 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-5750744093420996022.kers
Total runtime 3 ms.
[2026-05-23 13:22:47] [INFO ] Implicit Places using invariants in 45 ms returned []
[2026-05-23 13:22:47] [INFO ] Flow matrix only has 289 transitions (discarded 1919 similar events)
[2026-05-23 13:22:47] [INFO ] Invariant cache hit.
[2026-05-23 13:22:47] [INFO ] State equation strengthened by 101 read => feed constraints.
[2026-05-23 13:22:47] [INFO ] Implicit Places using invariants and state equation in 123 ms returned []
Implicit Place search using SMT with State Equation took 173 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 106/108 places, 2208/2228 transitions.
Applied a total of 0 rules in 16 ms. Remains 106 /106 variables (removed 0) and now considering 2208/2208 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 42389 ms. Remains : 106/108 places, 2208/2228 transitions.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 2208/2208 transitions.
Applied a total of 0 rules in 10 ms. Remains 106 /106 variables (removed 0) and now considering 2208/2208 (removed 0) transitions.
Running 2205 sub problems to find dead transitions.
[2026-05-23 13:22:47] [INFO ] Flow matrix only has 289 transitions (discarded 1919 similar events)
[2026-05-23 13:22:47] [INFO ] Invariant cache hit.
[2026-05-23 13:22:47] [INFO ] State equation strengthened by 101 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 106/395 variables, and 6 constraints, problems are : Problem set: 0 solved, 2205 unsolved in 20036 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/106 constraints, ReadFeed: 0/101 constraints, PredecessorRefiner: 2205/142 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2205 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 106/395 variables, and 6 constraints, problems are : Problem set: 0 solved, 2205 unsolved in 20033 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/106 constraints, ReadFeed: 0/101 constraints, PredecessorRefiner: 2063/142 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41822ms problems are : Problem set: 0 solved, 2205 unsolved
Search for dead transitions found 0 dead transitions in 41830ms
[2026-05-23 13:23:29] [INFO ] Flow matrix only has 289 transitions (discarded 1919 similar events)
[2026-05-23 13:23:29] [INFO ] Invariant cache hit.
[2026-05-23 13:23:29] [INFO ] Implicit Places using invariants in 35 ms returned []
[2026-05-23 13:23:29] [INFO ] Flow matrix only has 289 transitions (discarded 1919 similar events)
[2026-05-23 13:23:29] [INFO ] Invariant cache hit.
[2026-05-23 13:23:29] [INFO ] State equation strengthened by 101 read => feed constraints.
[2026-05-23 13:23:29] [INFO ] Implicit Places using invariants and state equation in 122 ms returned []
Implicit Place search using SMT with State Equation took 159 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 42005 ms. Remains : 106/106 places, 2208/2208 transitions.
Support contains 106 out of 106 places after structural reductions.
[2026-05-23 13:23:29] [INFO ] Flatten gal took : 209 ms
[2026-05-23 13:23:30] [INFO ] Flatten gal took : 129 ms
[2026-05-23 13:23:30] [INFO ] Input system was already deterministic with 2208 transitions.
RANDOM walk for 40000 steps (228 resets) in 2499 ms. (16 steps per ms) remains 8/25 properties
BEST_FIRST walk for 40002 steps (108 resets) in 223 ms. (178 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (83 resets) in 160 ms. (248 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (74 resets) in 184 ms. (216 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (72 resets) in 218 ms. (182 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (84 resets) in 187 ms. (212 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (70 resets) in 173 ms. (229 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40001 steps (84 resets) in 218 ms. (182 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (89 resets) in 166 ms. (239 steps per ms) remains 8/8 properties
[2026-05-23 13:23:31] [INFO ] Flow matrix only has 289 transitions (discarded 1919 similar events)
[2026-05-23 13:23:31] [INFO ] Invariant cache hit.
[2026-05-23 13:23:31] [INFO ] State equation strengthened by 101 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Problem AtomicPropp17 is UNSAT
Problem AtomicPropp24 is UNSAT
At refinement iteration 1 (OVERLAPS) 82/104 variables, 5/5 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/104 variables, 0/5 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 289/393 variables, 104/109 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/393 variables, 101/210 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/393 variables, 1/211 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/393 variables, 0/211 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 2/395 variables, 2/213 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/395 variables, 0/213 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 9 (OVERLAPS) 0/395 variables, 0/213 constraints. Problems are: Problem set: 2 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 395/395 variables, and 213 constraints, problems are : Problem set: 2 solved, 6 unsolved in 1472 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 106/106 constraints, ReadFeed: 101/101 constraints, PredecessorRefiner: 8/3 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 85/99 variables, 4/4 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/99 variables, 0/4 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 287/386 variables, 99/103 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/386 variables, 101/204 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/386 variables, 0/204 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 9/395 variables, 7/211 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/395 variables, 1/212 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/395 variables, 3/215 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/395 variables, 1/216 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/395 variables, 0/216 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 11 (OVERLAPS) 0/395 variables, 0/216 constraints. Problems are: Problem set: 2 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 395/395 variables, and 216 constraints, problems are : Problem set: 2 solved, 6 unsolved in 2034 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 106/106 constraints, ReadFeed: 101/101 constraints, PredecessorRefiner: 6/3 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3535ms problems are : Problem set: 2 solved, 6 unsolved
Parikh walk visited 0 properties in 5996 ms.
Support contains 14 out of 106 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 106/106 places, 2208/2208 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 105 transition count 2207
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 105 transition count 2207
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 5 place count 103 transition count 2206
Applied a total of 5 rules in 348 ms. Remains 103 /106 variables (removed 3) and now considering 2206/2208 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 349 ms. Remains : 103/106 places, 2206/2208 transitions.
RANDOM walk for 40000 steps (316 resets) in 555 ms. (71 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (164 resets) in 273 ms. (145 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (143 resets) in 216 ms. (184 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (128 resets) in 195 ms. (204 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (120 resets) in 186 ms. (213 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40001 steps (138 resets) in 249 ms. (160 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (136 resets) in 198 ms. (201 steps per ms) remains 6/6 properties
Interrupted probabilistic random walk after 218148 steps, run timeout after 3001 ms. (steps per millisecond=72 ) properties seen :0 out of 6
Probabilistic random walk after 218148 steps, saw 63039 distinct states, run finished after 3004 ms. (steps per millisecond=72 ) properties seen :0
[2026-05-23 13:23:45] [INFO ] Flow matrix only has 287 transitions (discarded 1919 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3817653657917380443.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1947827591938137900.kers'
[2026-05-23 13:23:45] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3817653657917380443.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1947827591938137900.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 287 rows 103 cols 1182 entries
Finished phase 1 with 99 SingleSign rule and 0 generalized
[2026-05-23 13:23:45] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-1947827591938137900.kers
Total runtime 1 ms.
[2026-05-23 13:23:45] [INFO ] State equation strengthened by 101 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 85/99 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/99 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 287/386 variables, 99/103 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/386 variables, 101/204 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/386 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 4/390 variables, 4/208 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/390 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 0/390 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 390/390 variables, and 208 constraints, problems are : Problem set: 0 solved, 6 unsolved in 967 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 103/103 constraints, ReadFeed: 101/101 constraints, PredecessorRefiner: 6/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 85/99 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/99 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 287/386 variables, 99/103 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/386 variables, 101/204 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/386 variables, 3/207 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/386 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 4/390 variables, 4/211 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/390 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (OVERLAPS) 0/390 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 390/390 variables, and 211 constraints, problems are : Problem set: 0 solved, 6 unsolved in 2458 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 103/103 constraints, ReadFeed: 101/101 constraints, PredecessorRefiner: 6/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3448ms problems are : Problem set: 0 solved, 6 unsolved
Parikh walk visited 0 properties in 6595 ms.
Support contains 14 out of 103 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 103/103 places, 2206/2206 transitions.
Applied a total of 0 rules in 206 ms. Remains 103 /103 variables (removed 0) and now considering 2206/2206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 206 ms. Remains : 103/103 places, 2206/2206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 103/103 places, 2206/2206 transitions.
Applied a total of 0 rules in 148 ms. Remains 103 /103 variables (removed 0) and now considering 2206/2206 (removed 0) transitions.
[2026-05-23 13:23:55] [INFO ] Flow matrix only has 287 transitions (discarded 1919 similar events)
[2026-05-23 13:23:55] [INFO ] Invariant cache hit.
[2026-05-23 13:23:55] [INFO ] Implicit Places using invariants in 251 ms returned []
[2026-05-23 13:23:55] [INFO ] Flow matrix only has 287 transitions (discarded 1919 similar events)
[2026-05-23 13:23:55] [INFO ] Invariant cache hit.
[2026-05-23 13:23:55] [INFO ] State equation strengthened by 101 read => feed constraints.
[2026-05-23 13:23:59] [INFO ] Implicit Places using invariants and state equation in 3576 ms returned [22, 46]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 3837 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 101/103 places, 2206/2206 transitions.
Applied a total of 0 rules in 149 ms. Remains 101 /101 variables (removed 0) and now considering 2206/2206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 4134 ms. Remains : 101/103 places, 2206/2206 transitions.
RANDOM walk for 40000 steps (316 resets) in 378 ms. (105 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (164 resets) in 173 ms. (229 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (146 resets) in 161 ms. (246 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (128 resets) in 148 ms. (268 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (120 resets) in 201 ms. (198 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (139 resets) in 156 ms. (254 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (139 resets) in 152 ms. (261 steps per ms) remains 6/6 properties
Interrupted probabilistic random walk after 229630 steps, run timeout after 3001 ms. (steps per millisecond=76 ) properties seen :0 out of 6
Probabilistic random walk after 229630 steps, saw 66393 distinct states, run finished after 3001 ms. (steps per millisecond=76 ) properties seen :0
[2026-05-23 13:24:02] [INFO ] Flow matrix only has 287 transitions (discarded 1919 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3011434726665374661.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5313373876202148015.kers'
[2026-05-23 13:24:03] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3011434726665374661.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5313373876202148015.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 287 rows 101 cols 1100 entries
Finished phase 1 with 97 SingleSign rule and 0 generalized
[2026-05-23 13:24:03] [INFO ] Computed 4 invariants in 1 ms
Computed 4 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-5313373876202148015.kers
Total runtime 1 ms.
[2026-05-23 13:24:03] [INFO ] State equation strengthened by 101 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 85/99 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/99 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 287/386 variables, 99/103 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/386 variables, 101/204 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/386 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 2/388 variables, 2/206 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/388 variables, 0/206 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 0/388 variables, 0/206 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 388/388 variables, and 206 constraints, problems are : Problem set: 0 solved, 6 unsolved in 960 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 101/101 constraints, ReadFeed: 101/101 constraints, PredecessorRefiner: 6/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 85/99 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/99 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 287/386 variables, 99/103 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/386 variables, 101/204 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/386 variables, 3/207 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/386 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 2/388 variables, 2/209 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/388 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (OVERLAPS) 0/388 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 388/388 variables, and 209 constraints, problems are : Problem set: 0 solved, 6 unsolved in 2818 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 101/101 constraints, ReadFeed: 101/101 constraints, PredecessorRefiner: 6/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3795ms problems are : Problem set: 0 solved, 6 unsolved
Parikh walk visited 0 properties in 5840 ms.
Support contains 14 out of 101 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 2206/2206 transitions.
Applied a total of 0 rules in 163 ms. Remains 101 /101 variables (removed 0) and now considering 2206/2206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 163 ms. Remains : 101/101 places, 2206/2206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 2206/2206 transitions.
Applied a total of 0 rules in 142 ms. Remains 101 /101 variables (removed 0) and now considering 2206/2206 (removed 0) transitions.
[2026-05-23 13:24:12] [INFO ] Flow matrix only has 287 transitions (discarded 1919 similar events)
[2026-05-23 13:24:12] [INFO ] Invariant cache hit.
[2026-05-23 13:24:13] [INFO ] Implicit Places using invariants in 203 ms returned []
[2026-05-23 13:24:13] [INFO ] Flow matrix only has 287 transitions (discarded 1919 similar events)
[2026-05-23 13:24:13] [INFO ] Invariant cache hit.
[2026-05-23 13:24:13] [INFO ] State equation strengthened by 101 read => feed constraints.
[2026-05-23 13:24:13] [INFO ] Implicit Places using invariants and state equation in 704 ms returned []
Implicit Place search using SMT with State Equation took 909 ms to find 0 implicit places.
[2026-05-23 13:24:14] [INFO ] Redundant transitions in 161 ms returned []
Running 2203 sub problems to find dead transitions.
[2026-05-23 13:24:14] [INFO ] Flow matrix only has 287 transitions (discarded 1919 similar events)
[2026-05-23 13:24:14] [INFO ] Invariant cache hit.
[2026-05-23 13:24:14] [INFO ] State equation strengthened by 101 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/101 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2203 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 101/388 variables, and 5 constraints, problems are : Problem set: 0 solved, 2203 unsolved in 30039 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 0/101 constraints, ReadFeed: 0/101 constraints, PredecessorRefiner: 2203/140 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2203 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/101 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2203 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/101 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 2203 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 101/388 variables, and 5 constraints, problems are : Problem set: 0 solved, 2203 unsolved in 30043 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 0/101 constraints, ReadFeed: 0/101 constraints, PredecessorRefiner: 2063/140 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61723ms problems are : Problem set: 0 solved, 2203 unsolved
Search for dead transitions found 0 dead transitions in 61728ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62955 ms. Remains : 101/101 places, 2206/2206 transitions.
Successfully simplified 2 atomic propositions for a total of 15 simplifications.
Computed a total of 49 stabilizing places and 84 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(F((X((G(p0)&&p0)) U p1)))))'
Support contains 22 out of 106 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 106/106 places, 2208/2208 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 105 transition count 2207
Applied a total of 2 rules in 441 ms. Remains 105 /106 variables (removed 1) and now considering 2207/2208 (removed 1) transitions.
Running 2204 sub problems to find dead transitions.
[2026-05-23 13:25:16] [INFO ] Flow matrix only has 288 transitions (discarded 1919 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-632104328114312287.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8238772838456898904.kers'
[2026-05-23 13:25:16] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-632104328114312287.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8238772838456898904.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 288 rows 104 cols 1203 entries
Finished phase 1 with 100 SingleSign rule and 0 generalized
[2026-05-23 13:25:16] [INFO ] Computed 5 invariants in 1 ms
Computed 5 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-8238772838456898904.kers
Total runtime 1 ms.
[2026-05-23 13:25:16] [INFO ] State equation strengthened by 101 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 105/393 variables, and 6 constraints, problems are : Problem set: 0 solved, 2204 unsolved in 20040 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/105 constraints, ReadFeed: 0/101 constraints, PredecessorRefiner: 2204/141 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2204 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/105 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2204 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 105/393 variables, and 6 constraints, problems are : Problem set: 0 solved, 2204 unsolved in 20033 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/105 constraints, ReadFeed: 0/101 constraints, PredecessorRefiner: 2063/141 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41811ms problems are : Problem set: 0 solved, 2204 unsolved
Search for dead transitions found 0 dead transitions in 41828ms
[2026-05-23 13:25:58] [INFO ] Flow matrix only has 288 transitions (discarded 1919 similar events)
[2026-05-23 13:25:58] [INFO ] Invariant cache hit.
[2026-05-23 13:25:58] [INFO ] Implicit Places using invariants in 274 ms returned []
[2026-05-23 13:25:58] [INFO ] Flow matrix only has 288 transitions (discarded 1919 similar events)
[2026-05-23 13:25:58] [INFO ] Invariant cache hit.
[2026-05-23 13:25:58] [INFO ] State equation strengthened by 101 read => feed constraints.
[2026-05-23 13:25:59] [INFO ] Implicit Places using invariants and state equation in 1194 ms returned [22, 47]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 1477 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 103/106 places, 2207/2208 transitions.
Applied a total of 0 rules in 196 ms. Remains 103 /103 variables (removed 0) and now considering 2207/2207 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 43947 ms. Remains : 103/106 places, 2207/2208 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(F((X((G(p0)&&p0)) U p1)))))'
Stuttering acceptance computed with spot in 183 ms :[(NOT p1), (NOT p1)]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N50-LTLFireability-00
Stuttering criterion allowed to conclude after 144 steps with 0 reset in 17 ms.
FORMULA BridgeAndVehicles-PT-V20P20N50-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V20P20N50-LTLFireability-00 finished in 44228 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 1 out of 106 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 106/106 places, 2208/2208 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 105 transition count 2207
Applied a total of 2 rules in 183 ms. Remains 105 /106 variables (removed 1) and now considering 2207/2208 (removed 1) transitions.
Skipped dead transition search.
[2026-05-23 13:26:00] [INFO ] Flow matrix only has 288 transitions (discarded 1919 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2608728737483890274.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10629792105568815072.kers'
[2026-05-23 13:26:00] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2608728737483890274.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10629792105568815072.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 288 rows 104 cols 1203 entries
Finished phase 1 with 100 SingleSign rule and 0 generalized
[2026-05-23 13:26:00] [INFO ] Computed 5 invariants in 2 ms
Computed 5 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-10629792105568815072.kers
Total runtime 3 ms.
[2026-05-23 13:26:00] [INFO ] Implicit Places using invariants in 302 ms returned []
[2026-05-23 13:26:00] [INFO ] Flow matrix only has 288 transitions (discarded 1919 similar events)
[2026-05-23 13:26:00] [INFO ] Invariant cache hit.
[2026-05-23 13:26:01] [INFO ] State equation strengthened by 101 read => feed constraints.
[2026-05-23 13:26:01] [INFO ] Implicit Places using invariants and state equation in 1067 ms returned [22, 48]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 1373 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 103/106 places, 2207/2208 transitions.
Applied a total of 0 rules in 171 ms. Remains 103 /103 variables (removed 0) and now considering 2207/2207 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1729 ms. Remains : 103/106 places, 2207/2208 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 40 ms :[(NOT p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N50-LTLFireability-01
Product exploration explored 100000 steps with 685 reset in 810 ms.
Product exploration explored 100000 steps with 684 reset in 765 ms.
Computed a total of 46 stabilizing places and 83 stable transitions
Computed a total of 46 stabilizing places and 83 stable transitions
Detected a total of 46/103 stabilizing places and 83/2207 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge based reduction with 4 factoid took 65 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
RANDOM walk for 100 steps (0 resets) in 6 ms. (14 steps per ms) remains 0/1 properties
Knowledge based reduction with 4 factoid took 58 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 31 ms :[(NOT p0)]
Knowledge-based reduction took 204 ms.
Stuttering acceptance computed with spot in 42 ms :[(NOT p0)]
Support contains 1 out of 103 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 103/103 places, 2207/2207 transitions.
Applied a total of 0 rules in 163 ms. Remains 103 /103 variables (removed 0) and now considering 2207/2207 (removed 0) transitions.
Running 2204 sub problems to find dead transitions.
[2026-05-23 13:26:04] [INFO ] Flow matrix only has 288 transitions (discarded 1919 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14518056114671383121.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17260494969259283467.kers'
[2026-05-23 13:26:04] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14518056114671383121.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17260494969259283467.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 288 rows 102 cols 1121 entries
Finished phase 1 with 98 SingleSign rule and 0 generalized
[2026-05-23 13:26:04] [INFO ] Computed 5 invariants in 3 ms
Computed 5 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-17260494969259283467.kers
Total runtime 3 ms.
[2026-05-23 13:26:04] [INFO ] State equation strengthened by 101 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 103/391 variables, and 6 constraints, problems are : Problem set: 0 solved, 2204 unsolved in 20044 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/103 constraints, ReadFeed: 0/101 constraints, PredecessorRefiner: 2204/141 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2204 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/103 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2204 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 103/391 variables, and 6 constraints, problems are : Problem set: 0 solved, 2204 unsolved in 20033 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/103 constraints, ReadFeed: 0/101 constraints, PredecessorRefiner: 2063/141 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41774ms problems are : Problem set: 0 solved, 2204 unsolved
Search for dead transitions found 0 dead transitions in 41779ms
[2026-05-23 13:26:46] [INFO ] Flow matrix only has 288 transitions (discarded 1919 similar events)
[2026-05-23 13:26:46] [INFO ] Invariant cache hit.
[2026-05-23 13:26:46] [INFO ] Implicit Places using invariants in 308 ms returned []
[2026-05-23 13:26:46] [INFO ] Flow matrix only has 288 transitions (discarded 1919 similar events)
[2026-05-23 13:26:46] [INFO ] Invariant cache hit.
[2026-05-23 13:26:46] [INFO ] State equation strengthened by 101 read => feed constraints.
[2026-05-23 13:26:47] [INFO ] Implicit Places using invariants and state equation in 995 ms returned []
Implicit Place search using SMT with State Equation took 1307 ms to find 0 implicit places.
[2026-05-23 13:26:47] [INFO ] Redundant transitions in 49 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 43314 ms. Remains : 103/103 places, 2207/2207 transitions.
Computed a total of 46 stabilizing places and 83 stable transitions
Computed a total of 46 stabilizing places and 83 stable transitions
Detected a total of 46/103 stabilizing places and 83/2207 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge based reduction with 4 factoid took 58 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
RANDOM walk for 106 steps (0 resets) in 5 ms. (17 steps per ms) remains 0/1 properties
Knowledge based reduction with 4 factoid took 70 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 46 ms :[(NOT p0)]
Knowledge-based reduction took 203 ms.
Stuttering acceptance computed with spot in 31 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
Product exploration explored 100000 steps with 685 reset in 738 ms.
Product exploration explored 100000 steps with 684 reset in 725 ms.
Built C files in :
/tmp/ltsmin15105718298305891828
[2026-05-23 13:26:49] [INFO ] Too many transitions (2207) to apply POR reductions. Disabling POR matrices.
[2026-05-23 13:26:49] [INFO ] Built C files in 52ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin15105718298305891828
Running compilation step : cd /tmp/ltsmin15105718298305891828;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin15105718298305891828;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin15105718298305891828;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:94)
at java.base/java.lang.Thread.run(Thread.java:1583)
Support contains 1 out of 103 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 103/103 places, 2207/2207 transitions.
Applied a total of 0 rules in 151 ms. Remains 103 /103 variables (removed 0) and now considering 2207/2207 (removed 0) transitions.
Skipped dead transition search.
[2026-05-23 13:26:52] [INFO ] Flow matrix only has 288 transitions (discarded 1919 similar events)
[2026-05-23 13:26:52] [INFO ] Invariant cache hit.
[2026-05-23 13:26:52] [INFO ] Implicit Places using invariants in 301 ms returned []
[2026-05-23 13:26:52] [INFO ] Flow matrix only has 288 transitions (discarded 1919 similar events)
[2026-05-23 13:26:52] [INFO ] Invariant cache hit.
[2026-05-23 13:26:52] [INFO ] State equation strengthened by 101 read => feed constraints.
[2026-05-23 13:26:53] [INFO ] Implicit Places using invariants and state equation in 984 ms returned []
Implicit Place search using SMT with State Equation took 1291 ms to find 0 implicit places.
[2026-05-23 13:26:53] [INFO ] Redundant transitions in 128 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1582 ms. Remains : 103/103 places, 2207/2207 transitions.
Built C files in :
/tmp/ltsmin2128645418141412955
[2026-05-23 13:26:53] [INFO ] Too many transitions (2207) to apply POR reductions. Disabling POR matrices.
[2026-05-23 13:26:53] [INFO ] Built C files in 22ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin2128645418141412955
Running compilation step : cd /tmp/ltsmin2128645418141412955;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin2128645418141412955;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin2128645418141412955;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:94)
at java.base/java.lang.Thread.run(Thread.java:1583)
[2026-05-23 13:26:57] [INFO ] Flatten gal took : 43 ms
[2026-05-23 13:26:57] [INFO ] Flatten gal took : 43 ms
[2026-05-23 13:26:57] [INFO ] Time to serialize gal into /tmp/LTL12183903771853137453.gal : 26 ms
[2026-05-23 13:26:57] [INFO ] Time to serialize properties into /tmp/LTL5415101918708340085.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL12183903771853137453.gal' '-t' 'CGAL' '-hoa' '/tmp/aut17847789989267188496.hoa' '-atoms' '/tmp/LTL5415101918708340085.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...319
Loading property file /tmp/LTL5415101918708340085.prop.
Loaded 1 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut17847789989267188496.hoa
Detected timeout of ITS tools.
[2026-05-23 13:27:12] [INFO ] Flatten gal took : 41 ms
[2026-05-23 13:27:12] [INFO ] Flatten gal took : 41 ms
[2026-05-23 13:27:12] [INFO ] Time to serialize gal into /tmp/LTL12108528995373460678.gal : 17 ms
[2026-05-23 13:27:12] [INFO ] Time to serialize properties into /tmp/LTL6065543611181437403.ltl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL12108528995373460678.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL6065543611181437403.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...276
Read 1 LTL properties
Checking formula 0 : !((F(G("(SUR_PONT_A<1)"))))
Formula 0 simplified : GF!"(SUR_PONT_A<1)"
Detected timeout of ITS tools.
[2026-05-23 13:27:27] [INFO ] Flatten gal took : 46 ms
[2026-05-23 13:27:27] [INFO ] Applying decomposition
[2026-05-23 13:27:27] [INFO ] Flatten gal took : 35 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph13571011031495410133.txt' '-o' '/tmp/graph13571011031495410133.bin' '-w' '/tmp/graph13571011031495410133.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph13571011031495410133.bin' '-l' '-1' '-v' '-w' '/tmp/graph13571011031495410133.weights' '-q' '0' '-e' '0.001'
[2026-05-23 13:27:27] [INFO ] Decomposing Gal with order
[2026-05-23 13:27:27] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 13:27:28] [INFO ] Removed a total of 4174 redundant transitions.
[2026-05-23 13:27:28] [INFO ] Flatten gal took : 666 ms
[2026-05-23 13:27:28] [INFO ] Fuse similar labels procedure discarded/fused a total of 334 labels/synchronizations in 28 ms.
[2026-05-23 13:27:28] [INFO ] Time to serialize gal into /tmp/LTL16409038179455189275.gal : 2 ms
[2026-05-23 13:27:28] [INFO ] Time to serialize properties into /tmp/LTL17480809618681717502.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL16409038179455189275.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL17480809618681717502.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...256
Read 1 LTL properties
Checking formula 0 : !((F(G("(i0.u0.SUR_PONT_A<1)"))))
Formula 0 simplified : GF!"(i0.u0.SUR_PONT_A<1)"
Detected timeout of ITS tools.
Treatment of property BridgeAndVehicles-PT-V20P20N50-LTLFireability-01 finished in 103247 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&&G(p1)) U (F(p2)&&X(X(!p3)))))'
Support contains 98 out of 106 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 2208/2208 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 105 transition count 2207
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 105 transition count 2207
Applied a total of 2 rules in 17 ms. Remains 105 /106 variables (removed 1) and now considering 2207/2208 (removed 1) transitions.
Running 2204 sub problems to find dead transitions.
[2026-05-23 13:27:43] [INFO ] Flow matrix only has 288 transitions (discarded 1919 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10471477620245310097.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10016038073641404025.kers'
[2026-05-23 13:27:43] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10471477620245310097.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10016038073641404025.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 288 rows 104 cols 1223 entries
Finished phase 1 with 100 SingleSign rule and 0 generalized
[2026-05-23 13:27:43] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-10016038073641404025.kers
Total runtime 1 ms.
[2026-05-23 13:27:43] [INFO ] State equation strengthened by 101 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 105/393 variables, and 6 constraints, problems are : Problem set: 0 solved, 2204 unsolved in 20033 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/105 constraints, ReadFeed: 0/101 constraints, PredecessorRefiner: 2204/141 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2204 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/105 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 105/393 variables, and 6 constraints, problems are : Problem set: 0 solved, 2204 unsolved in 20036 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/105 constraints, ReadFeed: 0/101 constraints, PredecessorRefiner: 2063/141 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41837ms problems are : Problem set: 0 solved, 2204 unsolved
Search for dead transitions found 0 dead transitions in 41842ms
[2026-05-23 13:28:25] [INFO ] Flow matrix only has 288 transitions (discarded 1919 similar events)
[2026-05-23 13:28:25] [INFO ] Invariant cache hit.
[2026-05-23 13:28:25] [INFO ] Implicit Places using invariants in 79 ms returned []
[2026-05-23 13:28:25] [INFO ] Flow matrix only has 288 transitions (discarded 1919 similar events)
[2026-05-23 13:28:25] [INFO ] Invariant cache hit.
[2026-05-23 13:28:25] [INFO ] State equation strengthened by 101 read => feed constraints.
[2026-05-23 13:28:25] [INFO ] Implicit Places using invariants and state equation in 264 ms returned [22]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 354 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 104/106 places, 2207/2208 transitions.
Applied a total of 0 rules in 9 ms. Remains 104 /104 variables (removed 0) and now considering 2207/2207 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 42231 ms. Remains : 104/106 places, 2207/2208 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((G(p0)&&p1) U (F(p2)&&X(X(!p3)))))'
Stuttering acceptance computed with spot in 408 ms :[(OR (NOT p2) p3), (NOT p2), p3, p3, p3, true, (AND (NOT p0) p3), (AND (NOT p2) p3), p3, p3, (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N50-LTLFireability-02
Entered a terminal (fully accepting) state of product in 155 steps with 4 reset in 3 ms.
FORMULA BridgeAndVehicles-PT-V20P20N50-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V20P20N50-LTLFireability-02 finished in 42718 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(G((F(p0) U X(X(X(p1))))))))'
Support contains 24 out of 106 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 2208/2208 transitions.
Applied a total of 0 rules in 12 ms. Remains 106 /106 variables (removed 0) and now considering 2208/2208 (removed 0) transitions.
Running 2205 sub problems to find dead transitions.
[2026-05-23 13:28:26] [INFO ] Flow matrix only has 289 transitions (discarded 1919 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12516282473154577532.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9965994587753597290.kers'
[2026-05-23 13:28:26] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12516282473154577532.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9965994587753597290.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 289 rows 106 cols 1266 entries
Finished phase 1 with 101 SingleSign rule and 0 generalized
[2026-05-23 13:28:26] [INFO ] Computed 5 invariants in 1 ms
Computed 5 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-9965994587753597290.kers
Total runtime 1 ms.
[2026-05-23 13:28:26] [INFO ] State equation strengthened by 101 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 106/395 variables, and 6 constraints, problems are : Problem set: 0 solved, 2205 unsolved in 20032 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/106 constraints, ReadFeed: 0/101 constraints, PredecessorRefiner: 2205/142 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2205 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 106/395 variables, and 6 constraints, problems are : Problem set: 0 solved, 2205 unsolved in 20037 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/106 constraints, ReadFeed: 0/101 constraints, PredecessorRefiner: 2063/142 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41693ms problems are : Problem set: 0 solved, 2205 unsolved
Search for dead transitions found 0 dead transitions in 41697ms
[2026-05-23 13:29:08] [INFO ] Flow matrix only has 289 transitions (discarded 1919 similar events)
[2026-05-23 13:29:08] [INFO ] Invariant cache hit.
[2026-05-23 13:29:08] [INFO ] Implicit Places using invariants in 287 ms returned []
[2026-05-23 13:29:08] [INFO ] Flow matrix only has 289 transitions (discarded 1919 similar events)
[2026-05-23 13:29:08] [INFO ] Invariant cache hit.
[2026-05-23 13:29:08] [INFO ] State equation strengthened by 101 read => feed constraints.
[2026-05-23 13:29:09] [INFO ] Implicit Places using invariants and state equation in 766 ms returned [48]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 1060 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 105/106 places, 2208/2208 transitions.
Applied a total of 0 rules in 7 ms. Remains 105 /105 variables (removed 0) and now considering 2208/2208 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 42784 ms. Remains : 105/106 places, 2208/2208 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) U X(X(X(p1))))))))'
Stuttering acceptance computed with spot in 544 ms :[(NOT p1), (NOT p1), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N50-LTLFireability-03
Product exploration explored 100000 steps with 2458 reset in 682 ms.
Product exploration explored 100000 steps with 2620 reset in 666 ms.
Computed a total of 48 stabilizing places and 84 stable transitions
Computed a total of 48 stabilizing places and 84 stable transitions
Detected a total of 48/105 stabilizing places and 84/2208 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge based reduction with 3 factoid took 91 ms. Reduced automaton from 13 states, 18 edges and 2 AP (stutter sensitive) to 13 states, 18 edges and 2 AP (stutter sensitive).
RANDOM walk for 366 steps (0 resets) in 10 ms. (33 steps per ms) remains 0/3 properties
Knowledge based reduction with 3 factoid took 117 ms. Reduced automaton from 13 states, 18 edges and 2 AP (stutter sensitive) to 13 states, 18 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 600 ms :[(NOT p1), (NOT p1), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
[2026-05-23 13:29:11] [INFO ] Flow matrix only has 289 transitions (discarded 1919 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11679448267629680772.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14008682370996325980.kers'
[2026-05-23 13:29:11] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11679448267629680772.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14008682370996325980.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 289 rows 105 cols 1225 entries
Finished phase 1 with 100 SingleSign rule and 0 generalized
[2026-05-23 13:29:11] [INFO ] Computed 5 invariants in 2 ms
Computed 5 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-14008682370996325980.kers
Total runtime 3 ms.
[2026-05-23 13:29:12] [INFO ] [Real]Absence check using 5 positive place invariants in 11 ms returned sat
[2026-05-23 13:29:12] [INFO ] [Real]Absence check using state equation in 212 ms returned sat
[2026-05-23 13:29:12] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 13:29:13] [INFO ] [Nat]Absence check using 5 positive place invariants in 6 ms returned sat
[2026-05-23 13:29:13] [INFO ] [Nat]Absence check using state equation in 248 ms returned sat
[2026-05-23 13:29:13] [INFO ] State equation strengthened by 101 read => feed constraints.
[2026-05-23 13:29:14] [INFO ] [Nat]Added 101 Read/Feed constraints in 631 ms returned sat
[2026-05-23 13:29:14] [INFO ] Computed and/alt/rep : 90/178/90 causal constraints (skipped 196 transitions) in 151 ms.
[2026-05-23 13:29:15] [INFO ] Added : 25 causal constraints over 7 iterations in 474 ms. Result :sat
Could not prove EG (NOT p1)
Knowledge-based reduction took 3903 ms.
Stuttering acceptance computed with spot in 488 ms :[(NOT p1), (NOT p1), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
Support contains 24 out of 105 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 105/105 places, 2208/2208 transitions.
Applied a total of 0 rules in 11 ms. Remains 105 /105 variables (removed 0) and now considering 2208/2208 (removed 0) transitions.
Running 2205 sub problems to find dead transitions.
[2026-05-23 13:29:15] [INFO ] Flow matrix only has 289 transitions (discarded 1919 similar events)
[2026-05-23 13:29:15] [INFO ] Invariant cache hit.
[2026-05-23 13:29:15] [INFO ] State equation strengthened by 101 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2205 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 105/394 variables, and 6 constraints, problems are : Problem set: 0 solved, 2205 unsolved in 20033 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/105 constraints, ReadFeed: 0/101 constraints, PredecessorRefiner: 2205/142 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2205 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/105 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 105/394 variables, and 6 constraints, problems are : Problem set: 0 solved, 2205 unsolved in 20036 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/105 constraints, ReadFeed: 0/101 constraints, PredecessorRefiner: 2063/142 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41683ms problems are : Problem set: 0 solved, 2205 unsolved
Search for dead transitions found 0 dead transitions in 41687ms
[2026-05-23 13:29:57] [INFO ] Flow matrix only has 289 transitions (discarded 1919 similar events)
[2026-05-23 13:29:57] [INFO ] Invariant cache hit.
[2026-05-23 13:29:57] [INFO ] Implicit Places using invariants in 278 ms returned []
[2026-05-23 13:29:57] [INFO ] Flow matrix only has 289 transitions (discarded 1919 similar events)
[2026-05-23 13:29:57] [INFO ] Invariant cache hit.
[2026-05-23 13:29:57] [INFO ] State equation strengthened by 101 read => feed constraints.
[2026-05-23 13:29:58] [INFO ] Implicit Places using invariants and state equation in 804 ms returned []
Implicit Place search using SMT with State Equation took 1083 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 42788 ms. Remains : 105/105 places, 2208/2208 transitions.
Computed a total of 48 stabilizing places and 84 stable transitions
Computed a total of 48 stabilizing places and 84 stable transitions
Detected a total of 48/105 stabilizing places and 84/2208 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge based reduction with 3 factoid took 67 ms. Reduced automaton from 13 states, 18 edges and 2 AP (stutter sensitive) to 13 states, 18 edges and 2 AP (stutter sensitive).
RANDOM walk for 354 steps (0 resets) in 8 ms. (39 steps per ms) remains 0/3 properties
Knowledge based reduction with 3 factoid took 134 ms. Reduced automaton from 13 states, 18 edges and 2 AP (stutter sensitive) to 13 states, 18 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 557 ms :[(NOT p1), (NOT p1), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
[2026-05-23 13:29:59] [INFO ] Flow matrix only has 289 transitions (discarded 1919 similar events)
[2026-05-23 13:29:59] [INFO ] Invariant cache hit.
[2026-05-23 13:29:59] [INFO ] [Real]Absence check using 5 positive place invariants in 10 ms returned sat
[2026-05-23 13:30:00] [INFO ] [Real]Absence check using state equation in 209 ms returned sat
[2026-05-23 13:30:00] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 13:30:00] [INFO ] [Nat]Absence check using 5 positive place invariants in 5 ms returned sat
[2026-05-23 13:30:00] [INFO ] [Nat]Absence check using state equation in 245 ms returned sat
[2026-05-23 13:30:00] [INFO ] State equation strengthened by 101 read => feed constraints.
[2026-05-23 13:30:01] [INFO ] [Nat]Added 101 Read/Feed constraints in 630 ms returned sat
[2026-05-23 13:30:01] [INFO ] Computed and/alt/rep : 90/178/90 causal constraints (skipped 196 transitions) in 57 ms.
[2026-05-23 13:30:01] [INFO ] Added : 25 causal constraints over 7 iterations in 350 ms. Result :sat
Could not prove EG (NOT p1)
Knowledge-based reduction took 3663 ms.
Stuttering acceptance computed with spot in 429 ms :[(NOT p1), (NOT p1), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
Stuttering acceptance computed with spot in 503 ms :[(NOT p1), (NOT p1), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
Product exploration explored 100000 steps with 2567 reset in 645 ms.
Product exploration explored 100000 steps with 2574 reset in 650 ms.
Spot run failed in 70 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/autstates.py", line 2, in
import spot
ModuleNotFoundError: No module named 'spot'
java.io.IOException
at fr.lip6.move.gal.application.runner.spot.SpotRunner.computeForwardClosedSI(SpotRunner.java:551)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.treatPartialPOR(LTLPropertySolver.java:419)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:280)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:217)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:66)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:849)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
Built C files in :
/tmp/ltsmin17591504419566214136
[2026-05-23 13:30:04] [INFO ] Built C files in 28ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin17591504419566214136
Running compilation step : cd /tmp/ltsmin17591504419566214136;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin17591504419566214136;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin17591504419566214136;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:94)
at java.base/java.lang.Thread.run(Thread.java:1583)
Support contains 24 out of 105 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 105/105 places, 2208/2208 transitions.
Applied a total of 0 rules in 13 ms. Remains 105 /105 variables (removed 0) and now considering 2208/2208 (removed 0) transitions.
Skipped dead transition search.
[2026-05-23 13:30:07] [INFO ] Flow matrix only has 289 transitions (discarded 1919 similar events)
[2026-05-23 13:30:07] [INFO ] Invariant cache hit.
[2026-05-23 13:30:07] [INFO ] Implicit Places using invariants in 259 ms returned []
[2026-05-23 13:30:07] [INFO ] Flow matrix only has 289 transitions (discarded 1919 similar events)
[2026-05-23 13:30:07] [INFO ] Invariant cache hit.
[2026-05-23 13:30:07] [INFO ] State equation strengthened by 101 read => feed constraints.
[2026-05-23 13:30:08] [INFO ] Implicit Places using invariants and state equation in 800 ms returned []
Implicit Place search using SMT with State Equation took 1062 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1076 ms. Remains : 105/105 places, 2208/2208 transitions.
Built C files in :
/tmp/ltsmin3575910641108066223
[2026-05-23 13:30:08] [INFO ] Built C files in 31ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin3575910641108066223
Running compilation step : cd /tmp/ltsmin3575910641108066223;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin3575910641108066223;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin3575910641108066223;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:94)
at java.base/java.lang.Thread.run(Thread.java:1583)
[2026-05-23 13:30:11] [INFO ] Flatten gal took : 39 ms
[2026-05-23 13:30:11] [INFO ] Flatten gal took : 39 ms
[2026-05-23 13:30:11] [INFO ] Time to serialize gal into /tmp/LTL15060398794434383982.gal : 18 ms
[2026-05-23 13:30:11] [INFO ] Time to serialize properties into /tmp/LTL9693796090910296284.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL15060398794434383982.gal' '-t' 'CGAL' '-hoa' '/tmp/aut16180040965453858138.hoa' '-atoms' '/tmp/LTL9693796090910296284.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...319
Loading property file /tmp/LTL9693796090910296284.prop.
Loaded 2 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut16180040965453858138.hoa
Detected timeout of ITS tools.
[2026-05-23 13:30:26] [INFO ] Flatten gal took : 45 ms
[2026-05-23 13:30:26] [INFO ] Flatten gal took : 33 ms
[2026-05-23 13:30:26] [INFO ] Time to serialize gal into /tmp/LTL13440146536442297818.gal : 15 ms
[2026-05-23 13:30:26] [INFO ] Time to serialize properties into /tmp/LTL753663387257178436.ltl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL13440146536442297818.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL753663387257178436.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...275
Read 1 LTL properties
Checking formula 0 : !((X(X(G((F("(SUR_PONT_B>=1)"))U(X(X(X("((((((((NB_ATTENTE_A_18>=1)&&(ATTENTE_A>=1))&&((CAPACITE>=1)&&(CONTROLEUR_1>=1)))||(((NB_ATTEN...1658
Formula 0 simplified : XXF(G!"(SUR_PONT_B>=1)" R XXX!"((((((((NB_ATTENTE_A_18>=1)&&(ATTENTE_A>=1))&&((CAPACITE>=1)&&(CONTROLEUR_1>=1)))||(((NB_ATTENTE_A_17...1643
Detected timeout of ITS tools.
[2026-05-23 13:30:41] [INFO ] Flatten gal took : 31 ms
[2026-05-23 13:30:41] [INFO ] Applying decomposition
[2026-05-23 13:30:41] [INFO ] Flatten gal took : 32 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph2869675099447826428.txt' '-o' '/tmp/graph2869675099447826428.bin' '-w' '/tmp/graph2869675099447826428.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph2869675099447826428.bin' '-l' '-1' '-v' '-w' '/tmp/graph2869675099447826428.weights' '-q' '0' '-e' '0.001'
[2026-05-23 13:30:42] [INFO ] Decomposing Gal with order
[2026-05-23 13:30:42] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 13:30:42] [INFO ] Removed a total of 4213 redundant transitions.
[2026-05-23 13:30:42] [INFO ] Flatten gal took : 335 ms
[2026-05-23 13:30:42] [INFO ] Fuse similar labels procedure discarded/fused a total of 334 labels/synchronizations in 21 ms.
[2026-05-23 13:30:42] [INFO ] Time to serialize gal into /tmp/LTL17355522696878585683.gal : 1 ms
[2026-05-23 13:30:42] [INFO ] Time to serialize properties into /tmp/LTL6826444679599527841.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL17355522696878585683.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL6826444679599527841.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...255
Read 1 LTL properties
Checking formula 0 : !((X(X(G((F("(i0.u2.SUR_PONT_B>=1)"))U(X(X(X("((((((((i1.u3.NB_ATTENTE_A_18>=1)&&(i0.u1.ATTENTE_A>=1))&&((i0.u2.CAPACITE>=1)&&(u0.CONT...2084
Formula 0 simplified : XXF(G!"(i0.u2.SUR_PONT_B>=1)" R XXX!"((((((((i1.u3.NB_ATTENTE_A_18>=1)&&(i0.u1.ATTENTE_A>=1))&&((i0.u2.CAPACITE>=1)&&(u0.CONTROLEUR_...2069
Detected timeout of ITS tools.
Treatment of property BridgeAndVehicles-PT-V20P20N50-LTLFireability-03 finished in 151166 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)) U G(p1)))'
Support contains 4 out of 106 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 2208/2208 transitions.
Applied a total of 0 rules in 10 ms. Remains 106 /106 variables (removed 0) and now considering 2208/2208 (removed 0) transitions.
Running 2205 sub problems to find dead transitions.
[2026-05-23 13:30:57] [INFO ] Flow matrix only has 289 transitions (discarded 1919 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7129543619632143228.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12849319749896824242.kers'
[2026-05-23 13:30:57] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7129543619632143228.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12849319749896824242.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 289 rows 106 cols 1266 entries
Finished phase 1 with 101 SingleSign rule and 0 generalized
[2026-05-23 13:30:57] [INFO ] Computed 5 invariants in 3 ms
Computed 5 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-12849319749896824242.kers
Total runtime 4 ms.
[2026-05-23 13:30:57] [INFO ] State equation strengthened by 101 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2205 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 106/395 variables, and 6 constraints, problems are : Problem set: 0 solved, 2205 unsolved in 20032 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/106 constraints, ReadFeed: 0/101 constraints, PredecessorRefiner: 2205/142 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2205 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 106/395 variables, and 6 constraints, problems are : Problem set: 0 solved, 2205 unsolved in 20033 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/106 constraints, ReadFeed: 0/101 constraints, PredecessorRefiner: 2063/142 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41701ms problems are : Problem set: 0 solved, 2205 unsolved
Search for dead transitions found 0 dead transitions in 41705ms
[2026-05-23 13:31:39] [INFO ] Flow matrix only has 289 transitions (discarded 1919 similar events)
[2026-05-23 13:31:39] [INFO ] Invariant cache hit.
[2026-05-23 13:31:39] [INFO ] Implicit Places using invariants in 297 ms returned []
[2026-05-23 13:31:39] [INFO ] Flow matrix only has 289 transitions (discarded 1919 similar events)
[2026-05-23 13:31:39] [INFO ] Invariant cache hit.
[2026-05-23 13:31:39] [INFO ] State equation strengthened by 101 read => feed constraints.
[2026-05-23 13:31:40] [INFO ] Implicit Places using invariants and state equation in 1038 ms returned [22, 48]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 1339 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 104/106 places, 2208/2208 transitions.
Applied a total of 0 rules in 12 ms. Remains 104 /104 variables (removed 0) and now considering 2208/2208 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 43072 ms. Remains : 104/106 places, 2208/2208 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(!p0)) U G(p1)))'
Stuttering acceptance computed with spot in 254 ms :[(NOT p1), p0, (AND p0 (NOT p1)), p0, true, (AND (NOT p1) p0), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N50-LTLFireability-04
Product exploration explored 100000 steps with 25061 reset in 786 ms.
Product exploration explored 100000 steps with 24947 reset in 803 ms.
Computed a total of 47 stabilizing places and 84 stable transitions
Computed a total of 47 stabilizing places and 84 stable transitions
Detected a total of 47/104 stabilizing places and 84/2208 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge based reduction with 7 factoid took 62 ms. Reduced automaton from 7 states, 13 edges and 2 AP (stutter sensitive) to 7 states, 13 edges and 2 AP (stutter sensitive).
RANDOM walk for 40000 steps (228 resets) in 607 ms. (65 steps per ms) remains 3/6 properties
BEST_FIRST walk for 40001 steps (108 resets) in 276 ms. (144 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (100 resets) in 203 ms. (196 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40000 steps (108 resets) in 230 ms. (173 steps per ms) remains 3/3 properties
[2026-05-23 13:31:43] [INFO ] Flow matrix only has 289 transitions (discarded 1919 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3140052144058762584.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15456164318150889483.kers'
[2026-05-23 13:31:43] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3140052144058762584.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15456164318150889483.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 289 rows 104 cols 1184 entries
Finished phase 1 with 99 SingleSign rule and 0 generalized
[2026-05-23 13:31:43] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-15456164318150889483.kers
Total runtime 1 ms.
[2026-05-23 13:31:43] [INFO ] State equation strengthened by 101 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 56/60 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/60 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 247/307 variables, 60/63 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/307 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 84/391 variables, 42/105 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/391 variables, 2/107 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/391 variables, 101/208 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/391 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 2/393 variables, 2/210 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/393 variables, 0/210 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 0/393 variables, 0/210 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 393/393 variables, and 210 constraints, problems are : Problem set: 0 solved, 3 unsolved in 460 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 104/104 constraints, ReadFeed: 101/101 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 56/60 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/60 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/60 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 247/307 variables, 60/64 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/307 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 84/391 variables, 42/106 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/391 variables, 2/108 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/391 variables, 101/209 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/391 variables, 3/212 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/391 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 2/393 variables, 2/214 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/393 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 0/393 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 393/393 variables, and 214 constraints, problems are : Problem set: 0 solved, 3 unsolved in 4233 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 104/104 constraints, ReadFeed: 101/101 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4706ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 381 ms.
Support contains 4 out of 104 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 104/104 places, 2208/2208 transitions.
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 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 103 transition count 2207
Applied a total of 2 rules in 147 ms. Remains 103 /104 variables (removed 1) and now considering 2207/2208 (removed 1) transitions.
Running 2204 sub problems to find dead transitions.
[2026-05-23 13:31:48] [INFO ] Flow matrix only has 288 transitions (discarded 1919 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-855479480211908937.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4598162090413478482.kers'
[2026-05-23 13:31:48] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-855479480211908937.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4598162090413478482.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 288 rows 102 cols 1121 entries
Finished phase 1 with 98 SingleSign rule and 0 generalized
[2026-05-23 13:31:48] [INFO ] Computed 5 invariants in 3 ms
Computed 5 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-4598162090413478482.kers
Total runtime 4 ms.
[2026-05-23 13:31:48] [INFO ] State equation strengthened by 101 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 103/391 variables, and 6 constraints, problems are : Problem set: 0 solved, 2204 unsolved in 20030 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/103 constraints, ReadFeed: 0/101 constraints, PredecessorRefiner: 2204/141 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2204 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/103 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 103/391 variables, and 6 constraints, problems are : Problem set: 0 solved, 2204 unsolved in 20037 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/103 constraints, ReadFeed: 0/101 constraints, PredecessorRefiner: 2063/141 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41790ms problems are : Problem set: 0 solved, 2204 unsolved
Search for dead transitions found 0 dead transitions in 41795ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41947 ms. Remains : 103/104 places, 2207/2208 transitions.
RANDOM walk for 40001 steps (265 resets) in 469 ms. (85 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (132 resets) in 213 ms. (186 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40001 steps (116 resets) in 144 ms. (275 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (132 resets) in 156 ms. (254 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 284033 steps, run timeout after 3001 ms. (steps per millisecond=94 ) properties seen :0 out of 3
Probabilistic random walk after 284033 steps, saw 70995 distinct states, run finished after 3001 ms. (steps per millisecond=94 ) properties seen :0
[2026-05-23 13:32:33] [INFO ] Flow matrix only has 288 transitions (discarded 1919 similar events)
[2026-05-23 13:32:33] [INFO ] Invariant cache hit.
[2026-05-23 13:32:33] [INFO ] State equation strengthened by 101 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 55/59 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 246/305 variables, 59/62 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/305 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 84/389 variables, 42/104 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/389 variables, 2/106 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/389 variables, 101/207 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/389 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 2/391 variables, 2/209 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/391 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 0/391 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 391/391 variables, and 209 constraints, problems are : Problem set: 0 solved, 3 unsolved in 401 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 103/103 constraints, ReadFeed: 101/101 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 55/59 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 246/305 variables, 59/62 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/305 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 84/389 variables, 42/104 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/389 variables, 2/106 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/389 variables, 101/207 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/389 variables, 3/210 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/389 variables, 0/210 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 2/391 variables, 2/212 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/391 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 0/391 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 391/391 variables, and 212 constraints, problems are : Problem set: 0 solved, 3 unsolved in 2791 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 103/103 constraints, ReadFeed: 101/101 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3201ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 469 ms.
Support contains 4 out of 103 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 103/103 places, 2207/2207 transitions.
Applied a total of 0 rules in 148 ms. Remains 103 /103 variables (removed 0) and now considering 2207/2207 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 148 ms. Remains : 103/103 places, 2207/2207 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 103/103 places, 2207/2207 transitions.
Applied a total of 0 rules in 142 ms. Remains 103 /103 variables (removed 0) and now considering 2207/2207 (removed 0) transitions.
[2026-05-23 13:32:37] [INFO ] Flow matrix only has 288 transitions (discarded 1919 similar events)
[2026-05-23 13:32:37] [INFO ] Invariant cache hit.
[2026-05-23 13:32:37] [INFO ] Implicit Places using invariants in 290 ms returned []
[2026-05-23 13:32:37] [INFO ] Flow matrix only has 288 transitions (discarded 1919 similar events)
[2026-05-23 13:32:37] [INFO ] Invariant cache hit.
[2026-05-23 13:32:37] [INFO ] State equation strengthened by 101 read => feed constraints.
[2026-05-23 13:32:38] [INFO ] Implicit Places using invariants and state equation in 1121 ms returned []
Implicit Place search using SMT with State Equation took 1413 ms to find 0 implicit places.
[2026-05-23 13:32:38] [INFO ] Redundant transitions in 57 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1621 ms. Remains : 103/103 places, 2207/2207 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 1919 transitions
Reduce isomorphic transitions removed 1919 transitions.
Iterating post reduction 0 with 1919 rules applied. Total rules applied 1919 place count 103 transition count 288
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 1 with 2 rules applied. Total rules applied 1921 place count 103 transition count 286
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 1923 place count 101 transition count 286
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 1924 place count 101 transition count 286
Applied a total of 1924 rules in 15 ms. Remains 101 /103 variables (removed 2) and now considering 286/2207 (removed 1921) transitions.
Running SMT prover for 3 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8139719714574701306.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16959809711293245552.kers'
[2026-05-23 13:32:38] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8139719714574701306.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16959809711293245552.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 286 rows 100 cols 1113 entries
Finished phase 1 with 96 SingleSign rule and 0 generalized
[2026-05-23 13:32:38] [INFO ] Computed 5 invariants in 1 ms
Computed 5 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-16959809711293245552.kers
Total runtime 2 ms.
[2026-05-23 13:32:38] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2026-05-23 13:32:39] [INFO ] After 203ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2026-05-23 13:32:39] [INFO ] [Nat]Absence check using 5 positive place invariants in 1 ms returned sat
[2026-05-23 13:32:39] [INFO ] After 184ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2026-05-23 13:32:39] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 13:32:39] [INFO ] After 138ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :3
TRAPS : Iteration 0
[2026-05-23 13:32:39] [INFO ] After 315ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
[2026-05-23 13:32:39] [INFO ] After 713ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Over-approximation ignoring read arcs solved 0 properties in 948 ms.
Knowledge based reduction with 7 factoid took 94 ms. Reduced automaton from 7 states, 13 edges and 2 AP (stutter sensitive) to 7 states, 13 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 258 ms :[(NOT p1), p0, (AND p0 (NOT p1)), p0, true, (AND (NOT p1) p0), (AND (NOT p1) (NOT p0))]
[2026-05-23 13:32:40] [INFO ] Flow matrix only has 289 transitions (discarded 1919 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12467251711179674253.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17747754254020230002.kers'
[2026-05-23 13:32:40] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12467251711179674253.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17747754254020230002.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 289 rows 104 cols 1184 entries
Finished phase 1 with 99 SingleSign rule and 0 generalized
[2026-05-23 13:32:40] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-17747754254020230002.kers
Total runtime 1 ms.
[2026-05-23 13:32:40] [INFO ] [Real]Absence check using 5 positive place invariants in 9 ms returned sat
[2026-05-23 13:32:40] [INFO ] [Real]Absence check using state equation in 280 ms returned sat
[2026-05-23 13:32:40] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 13:32:41] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2026-05-23 13:32:41] [INFO ] [Nat]Absence check using state equation in 102 ms returned sat
[2026-05-23 13:32:41] [INFO ] State equation strengthened by 101 read => feed constraints.
[2026-05-23 13:32:41] [INFO ] [Nat]Added 101 Read/Feed constraints in 65 ms returned sat
[2026-05-23 13:32:41] [INFO ] Computed and/alt/rep : 90/178/90 causal constraints (skipped 196 transitions) in 54 ms.
[2026-05-23 13:32:44] [INFO ] Added : 21 causal constraints over 5 iterations in 2769 ms. Result :sat
Could not prove EG (NOT p1)
Knowledge-based reduction took 61864 ms.
Stuttering acceptance computed with spot in 247 ms :[(NOT p1), p0, (AND p0 (NOT p1)), p0, true, (AND (NOT p1) p0), (AND (NOT p1) (NOT p0))]
Support contains 4 out of 104 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 104/104 places, 2208/2208 transitions.
Applied a total of 0 rules in 10 ms. Remains 104 /104 variables (removed 0) and now considering 2208/2208 (removed 0) transitions.
Running 2205 sub problems to find dead transitions.
[2026-05-23 13:32:44] [INFO ] Flow matrix only has 289 transitions (discarded 1919 similar events)
[2026-05-23 13:32:44] [INFO ] Invariant cache hit.
[2026-05-23 13:32:44] [INFO ] State equation strengthened by 101 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/104 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 104/393 variables, and 6 constraints, problems are : Problem set: 0 solved, 2205 unsolved in 20033 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/104 constraints, ReadFeed: 0/101 constraints, PredecessorRefiner: 2205/142 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/104 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2205 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/104 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 104/393 variables, and 6 constraints, problems are : Problem set: 0 solved, 2205 unsolved in 20032 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/104 constraints, ReadFeed: 0/101 constraints, PredecessorRefiner: 2063/142 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41705ms problems are : Problem set: 0 solved, 2205 unsolved
Search for dead transitions found 0 dead transitions in 41709ms
[2026-05-23 13:33:26] [INFO ] Flow matrix only has 289 transitions (discarded 1919 similar events)
[2026-05-23 13:33:26] [INFO ] Invariant cache hit.
[2026-05-23 13:33:26] [INFO ] Implicit Places using invariants in 290 ms returned []
[2026-05-23 13:33:26] [INFO ] Flow matrix only has 289 transitions (discarded 1919 similar events)
[2026-05-23 13:33:26] [INFO ] Invariant cache hit.
[2026-05-23 13:33:26] [INFO ] State equation strengthened by 101 read => feed constraints.
[2026-05-23 13:33:27] [INFO ] Implicit Places using invariants and state equation in 1110 ms returned []
Implicit Place search using SMT with State Equation took 1402 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 43126 ms. Remains : 104/104 places, 2208/2208 transitions.
Computed a total of 47 stabilizing places and 84 stable transitions
Computed a total of 47 stabilizing places and 84 stable transitions
Detected a total of 47/104 stabilizing places and 84/2208 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge based reduction with 7 factoid took 59 ms. Reduced automaton from 7 states, 13 edges and 2 AP (stutter sensitive) to 7 states, 13 edges and 2 AP (stutter sensitive).
RANDOM walk for 40000 steps (228 resets) in 323 ms. (123 steps per ms) remains 3/6 properties
BEST_FIRST walk for 40002 steps (108 resets) in 139 ms. (285 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (100 resets) in 125 ms. (317 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (108 resets) in 138 ms. (287 steps per ms) remains 3/3 properties
[2026-05-23 13:33:28] [INFO ] Flow matrix only has 289 transitions (discarded 1919 similar events)
[2026-05-23 13:33:28] [INFO ] Invariant cache hit.
[2026-05-23 13:33:28] [INFO ] State equation strengthened by 101 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 56/60 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/60 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 247/307 variables, 60/63 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/307 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 84/391 variables, 42/105 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/391 variables, 2/107 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/391 variables, 101/208 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/391 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 2/393 variables, 2/210 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/393 variables, 0/210 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 0/393 variables, 0/210 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 393/393 variables, and 210 constraints, problems are : Problem set: 0 solved, 3 unsolved in 447 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 104/104 constraints, ReadFeed: 101/101 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 56/60 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/60 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/60 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 247/307 variables, 60/64 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/307 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 84/391 variables, 42/106 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/391 variables, 2/108 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/391 variables, 101/209 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/391 variables, 3/212 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/391 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 2/393 variables, 2/214 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/393 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 0/393 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 393/393 variables, and 214 constraints, problems are : Problem set: 0 solved, 3 unsolved in 4187 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 104/104 constraints, ReadFeed: 101/101 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4646ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 392 ms.
Support contains 4 out of 104 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 104/104 places, 2208/2208 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 103 transition count 2207
Applied a total of 2 rules in 151 ms. Remains 103 /104 variables (removed 1) and now considering 2207/2208 (removed 1) transitions.
Running 2204 sub problems to find dead transitions.
[2026-05-23 13:33:33] [INFO ] Flow matrix only has 288 transitions (discarded 1919 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8938157576193279875.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1740253985034960961.kers'
[2026-05-23 13:33:33] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8938157576193279875.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1740253985034960961.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 288 rows 102 cols 1121 entries
Finished phase 1 with 98 SingleSign rule and 0 generalized
[2026-05-23 13:33:33] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-1740253985034960961.kers
Total runtime 2 ms.
[2026-05-23 13:33:33] [INFO ] State equation strengthened by 101 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 103/391 variables, and 6 constraints, problems are : Problem set: 0 solved, 2204 unsolved in 20036 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/103 constraints, ReadFeed: 0/101 constraints, PredecessorRefiner: 2204/141 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2204 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/103 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2204 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 103/391 variables, and 6 constraints, problems are : Problem set: 0 solved, 2204 unsolved in 20032 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/103 constraints, ReadFeed: 0/101 constraints, PredecessorRefiner: 2063/141 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41713ms problems are : Problem set: 0 solved, 2204 unsolved
Search for dead transitions found 0 dead transitions in 41717ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41873 ms. Remains : 103/104 places, 2207/2208 transitions.
RANDOM walk for 40001 steps (264 resets) in 427 ms. (93 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (132 resets) in 152 ms. (261 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40000 steps (116 resets) in 137 ms. (289 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (132 resets) in 156 ms. (254 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 283025 steps, run timeout after 3001 ms. (steps per millisecond=94 ) properties seen :0 out of 3
Probabilistic random walk after 283025 steps, saw 70707 distinct states, run finished after 3001 ms. (steps per millisecond=94 ) properties seen :0
[2026-05-23 13:34:18] [INFO ] Flow matrix only has 288 transitions (discarded 1919 similar events)
[2026-05-23 13:34:18] [INFO ] Invariant cache hit.
[2026-05-23 13:34:18] [INFO ] State equation strengthened by 101 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 55/59 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 246/305 variables, 59/62 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/305 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 84/389 variables, 42/104 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/389 variables, 2/106 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/389 variables, 101/207 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/389 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 2/391 variables, 2/209 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/391 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 0/391 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 391/391 variables, and 209 constraints, problems are : Problem set: 0 solved, 3 unsolved in 407 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 103/103 constraints, ReadFeed: 101/101 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 55/59 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 246/305 variables, 59/62 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/305 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 84/389 variables, 42/104 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/389 variables, 2/106 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/389 variables, 101/207 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/389 variables, 3/210 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/389 variables, 0/210 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 2/391 variables, 2/212 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/391 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 0/391 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 391/391 variables, and 212 constraints, problems are : Problem set: 0 solved, 3 unsolved in 2805 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 103/103 constraints, ReadFeed: 101/101 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3218ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 467 ms.
Support contains 4 out of 103 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 103/103 places, 2207/2207 transitions.
Applied a total of 0 rules in 145 ms. Remains 103 /103 variables (removed 0) and now considering 2207/2207 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 145 ms. Remains : 103/103 places, 2207/2207 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 103/103 places, 2207/2207 transitions.
Applied a total of 0 rules in 141 ms. Remains 103 /103 variables (removed 0) and now considering 2207/2207 (removed 0) transitions.
[2026-05-23 13:34:22] [INFO ] Flow matrix only has 288 transitions (discarded 1919 similar events)
[2026-05-23 13:34:22] [INFO ] Invariant cache hit.
[2026-05-23 13:34:22] [INFO ] Implicit Places using invariants in 289 ms returned []
[2026-05-23 13:34:22] [INFO ] Flow matrix only has 288 transitions (discarded 1919 similar events)
[2026-05-23 13:34:22] [INFO ] Invariant cache hit.
[2026-05-23 13:34:22] [INFO ] State equation strengthened by 101 read => feed constraints.
[2026-05-23 13:34:23] [INFO ] Implicit Places using invariants and state equation in 1115 ms returned []
Implicit Place search using SMT with State Equation took 1406 ms to find 0 implicit places.
[2026-05-23 13:34:23] [INFO ] Redundant transitions in 57 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1609 ms. Remains : 103/103 places, 2207/2207 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 1919 transitions
Reduce isomorphic transitions removed 1919 transitions.
Iterating post reduction 0 with 1919 rules applied. Total rules applied 1919 place count 103 transition count 288
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 1 with 2 rules applied. Total rules applied 1921 place count 103 transition count 286
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 1923 place count 101 transition count 286
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 1924 place count 101 transition count 286
Applied a total of 1924 rules in 9 ms. Remains 101 /103 variables (removed 2) and now considering 286/2207 (removed 1921) transitions.
Running SMT prover for 3 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12498158154427000744.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8563847721852179178.kers'
[2026-05-23 13:34:23] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12498158154427000744.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8563847721852179178.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 286 rows 100 cols 1113 entries
Finished phase 1 with 96 SingleSign rule and 0 generalized
[2026-05-23 13:34:23] [INFO ] Computed 5 invariants in 3 ms
Computed 5 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-8563847721852179178.kers
Total runtime 5 ms.
[2026-05-23 13:34:23] [INFO ] [Real]Absence check using 5 positive place invariants in 1 ms returned sat
[2026-05-23 13:34:23] [INFO ] After 202ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2026-05-23 13:34:23] [INFO ] [Nat]Absence check using 5 positive place invariants in 1 ms returned sat
[2026-05-23 13:34:24] [INFO ] After 184ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2026-05-23 13:34:24] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 13:34:24] [INFO ] After 133ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :3
TRAPS : Iteration 0
[2026-05-23 13:34:24] [INFO ] After 307ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
[2026-05-23 13:34:24] [INFO ] After 701ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Over-approximation ignoring read arcs solved 0 properties in 929 ms.
Knowledge based reduction with 7 factoid took 105 ms. Reduced automaton from 7 states, 13 edges and 2 AP (stutter sensitive) to 7 states, 13 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 250 ms :[(NOT p1), p0, (AND p0 (NOT p1)), p0, true, (AND (NOT p1) p0), (AND (NOT p1) (NOT p0))]
[2026-05-23 13:34:24] [INFO ] Flow matrix only has 289 transitions (discarded 1919 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16193848876013711323.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2068165543039827052.kers'
[2026-05-23 13:34:24] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16193848876013711323.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2068165543039827052.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 289 rows 104 cols 1184 entries
Finished phase 1 with 99 SingleSign rule and 0 generalized
[2026-05-23 13:34:24] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-2068165543039827052.kers
Total runtime 1 ms.
[2026-05-23 13:34:25] [INFO ] [Real]Absence check using 5 positive place invariants in 8 ms returned sat
[2026-05-23 13:34:25] [INFO ] [Real]Absence check using state equation in 277 ms returned sat
[2026-05-23 13:34:25] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 13:34:26] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2026-05-23 13:34:26] [INFO ] [Nat]Absence check using state equation in 99 ms returned sat
[2026-05-23 13:34:26] [INFO ] State equation strengthened by 101 read => feed constraints.
[2026-05-23 13:34:26] [INFO ] [Nat]Added 101 Read/Feed constraints in 66 ms returned sat
[2026-05-23 13:34:26] [INFO ] Computed and/alt/rep : 90/178/90 causal constraints (skipped 196 transitions) in 53 ms.
[2026-05-23 13:34:29] [INFO ] Added : 21 causal constraints over 5 iterations in 2763 ms. Result :sat
Could not prove EG (NOT p1)
Knowledge-based reduction took 61379 ms.
Stuttering acceptance computed with spot in 248 ms :[(NOT p1), p0, (AND p0 (NOT p1)), p0, true, (AND (NOT p1) p0), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 240 ms :[(NOT p1), p0, (AND p0 (NOT p1)), p0, true, (AND (NOT p1) p0), (AND (NOT p1) (NOT p0))]
Product exploration explored 100000 steps with 25037 reset in 783 ms.
Product exploration explored 100000 steps with 24948 reset in 789 ms.
Spot run failed in 48 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/autstates.py", line 2, in
import spot
ModuleNotFoundError: No module named 'spot'
java.io.IOException
at fr.lip6.move.gal.application.runner.spot.SpotRunner.computeForwardClosedSI(SpotRunner.java:551)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.treatPartialPOR(LTLPropertySolver.java:419)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:280)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:217)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:66)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:849)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
Built C files in :
/tmp/ltsmin14554661134120560709
[2026-05-23 13:34:31] [INFO ] Built C files in 28ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin14554661134120560709
Running compilation step : cd /tmp/ltsmin14554661134120560709;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin14554661134120560709;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin14554661134120560709;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:94)
at java.base/java.lang.Thread.run(Thread.java:1583)
Support contains 4 out of 104 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 104/104 places, 2208/2208 transitions.
Applied a total of 0 rules in 8 ms. Remains 104 /104 variables (removed 0) and now considering 2208/2208 (removed 0) transitions.
Running 2205 sub problems to find dead transitions.
[2026-05-23 13:34:34] [INFO ] Flow matrix only has 289 transitions (discarded 1919 similar events)
[2026-05-23 13:34:34] [INFO ] Invariant cache hit.
[2026-05-23 13:34:34] [INFO ] State equation strengthened by 101 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/104 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2205 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 104/393 variables, and 6 constraints, problems are : Problem set: 0 solved, 2205 unsolved in 20044 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/104 constraints, ReadFeed: 0/101 constraints, PredecessorRefiner: 2205/142 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/104 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2205 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/104 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2205 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 104/393 variables, and 6 constraints, problems are : Problem set: 0 solved, 2205 unsolved in 20032 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/104 constraints, ReadFeed: 0/101 constraints, PredecessorRefiner: 2063/142 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41695ms problems are : Problem set: 0 solved, 2205 unsolved
Search for dead transitions found 0 dead transitions in 41699ms
[2026-05-23 13:35:16] [INFO ] Flow matrix only has 289 transitions (discarded 1919 similar events)
[2026-05-23 13:35:16] [INFO ] Invariant cache hit.
[2026-05-23 13:35:16] [INFO ] Implicit Places using invariants in 286 ms returned []
[2026-05-23 13:35:16] [INFO ] Flow matrix only has 289 transitions (discarded 1919 similar events)
[2026-05-23 13:35:16] [INFO ] Invariant cache hit.
[2026-05-23 13:35:16] [INFO ] State equation strengthened by 101 read => feed constraints.
[2026-05-23 13:35:17] [INFO ] Implicit Places using invariants and state equation in 1124 ms returned []
Implicit Place search using SMT with State Equation took 1413 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 43126 ms. Remains : 104/104 places, 2208/2208 transitions.
Built C files in :
/tmp/ltsmin11839812110374461120
[2026-05-23 13:35:17] [INFO ] Built C files in 40ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin11839812110374461120
Running compilation step : cd /tmp/ltsmin11839812110374461120;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin11839812110374461120;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin11839812110374461120;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:94)
at java.base/java.lang.Thread.run(Thread.java:1583)
[2026-05-23 13:35:20] [INFO ] Flatten gal took : 31 ms
[2026-05-23 13:35:20] [INFO ] Flatten gal took : 31 ms
[2026-05-23 13:35:20] [INFO ] Time to serialize gal into /tmp/LTL12524994056760312181.gal : 10 ms
[2026-05-23 13:35:20] [INFO ] Time to serialize properties into /tmp/LTL3791903270236378098.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL12524994056760312181.gal' '-t' 'CGAL' '-hoa' '/tmp/aut602718000111083194.hoa' '-atoms' '/tmp/LTL3791903270236378098.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...317
Loading property file /tmp/LTL3791903270236378098.prop.
Loaded 2 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut602718000111083194.hoa
Detected timeout of ITS tools.
[2026-05-23 13:35:35] [INFO ] Flatten gal took : 31 ms
[2026-05-23 13:35:35] [INFO ] Flatten gal took : 32 ms
[2026-05-23 13:35:35] [INFO ] Time to serialize gal into /tmp/LTL5607527653691764926.gal : 11 ms
[2026-05-23 13:35:35] [INFO ] Time to serialize properties into /tmp/LTL10395746537738630660.ltl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL5607527653691764926.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL10395746537738630660.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...276
Read 1 LTL properties
Checking formula 0 : !(((X(X(!("(((CHOIX_1>=1)&&(COMPTEUR_50>=1))||((CHOIX_2>=1)&&(COMPTEUR_50>=1)))"))))U(G("(SUR_PONT_B>=1)"))))
Formula 0 simplified : XX"(((CHOIX_1>=1)&&(COMPTEUR_50>=1))||((CHOIX_2>=1)&&(COMPTEUR_50>=1)))" R F!"(SUR_PONT_B>=1)"
Detected timeout of ITS tools.
[2026-05-23 13:35:50] [INFO ] Flatten gal took : 33 ms
[2026-05-23 13:35:50] [INFO ] Applying decomposition
[2026-05-23 13:35:50] [INFO ] Flatten gal took : 32 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph375586415034108381.txt' '-o' '/tmp/graph375586415034108381.bin' '-w' '/tmp/graph375586415034108381.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph375586415034108381.bin' '-l' '-1' '-v' '-w' '/tmp/graph375586415034108381.weights' '-q' '0' '-e' '0.001'
[2026-05-23 13:35:51] [INFO ] Decomposing Gal with order
[2026-05-23 13:35:51] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 13:35:51] [INFO ] Removed a total of 4174 redundant transitions.
[2026-05-23 13:35:51] [INFO ] Flatten gal took : 354 ms
[2026-05-23 13:35:51] [INFO ] Fuse similar labels procedure discarded/fused a total of 296 labels/synchronizations in 20 ms.
[2026-05-23 13:35:51] [INFO ] Time to serialize gal into /tmp/LTL6521615230761567761.gal : 1 ms
[2026-05-23 13:35:51] [INFO ] Time to serialize properties into /tmp/LTL14011432114506374845.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL6521615230761567761.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL14011432114506374845.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...255
Read 1 LTL properties
Checking formula 0 : !(((X(X(!("(((u0.CHOIX_1>=1)&&(i2.u2.COMPTEUR_50>=1))||((i2.u3.CHOIX_2>=1)&&(i2.u2.COMPTEUR_50>=1)))"))))U(G("(u1.SUR_PONT_B>=1)"))))
Formula 0 simplified : XX"(((u0.CHOIX_1>=1)&&(i2.u2.COMPTEUR_50>=1))||((i2.u3.CHOIX_2>=1)&&(i2.u2.COMPTEUR_50>=1)))" R F!"(u1.SUR_PONT_B>=1)"
Detected timeout of ITS tools.
Treatment of property BridgeAndVehicles-PT-V20P20N50-LTLFireability-04 finished in 308965 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((G(!p0)||(!p0&&F(!p1))))))'
Support contains 26 out of 106 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 2208/2208 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 105 transition count 2207
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 105 transition count 2207
Applied a total of 2 rules in 15 ms. Remains 105 /106 variables (removed 1) and now considering 2207/2208 (removed 1) transitions.
Running 2204 sub problems to find dead transitions.
[2026-05-23 13:36:06] [INFO ] Flow matrix only has 288 transitions (discarded 1919 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12358757218915427749.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11444973151909368319.kers'
[2026-05-23 13:36:06] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12358757218915427749.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11444973151909368319.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 288 rows 104 cols 1223 entries
Finished phase 1 with 100 SingleSign rule and 0 generalized
[2026-05-23 13:36:06] [INFO ] Computed 5 invariants in 3 ms
Computed 5 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-11444973151909368319.kers
Total runtime 5 ms.
[2026-05-23 13:36:06] [INFO ] State equation strengthened by 101 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2204 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 105/393 variables, and 6 constraints, problems are : Problem set: 0 solved, 2204 unsolved in 20035 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/105 constraints, ReadFeed: 0/101 constraints, PredecessorRefiner: 2204/141 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2204 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/105 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 105/393 variables, and 6 constraints, problems are : Problem set: 0 solved, 2204 unsolved in 20033 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/105 constraints, ReadFeed: 0/101 constraints, PredecessorRefiner: 2063/141 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41712ms problems are : Problem set: 0 solved, 2204 unsolved
Search for dead transitions found 0 dead transitions in 41716ms
[2026-05-23 13:36:48] [INFO ] Flow matrix only has 288 transitions (discarded 1919 similar events)
[2026-05-23 13:36:48] [INFO ] Invariant cache hit.
[2026-05-23 13:36:48] [INFO ] Implicit Places using invariants in 278 ms returned []
[2026-05-23 13:36:48] [INFO ] Flow matrix only has 288 transitions (discarded 1919 similar events)
[2026-05-23 13:36:48] [INFO ] Invariant cache hit.
[2026-05-23 13:36:48] [INFO ] State equation strengthened by 101 read => feed constraints.
[2026-05-23 13:36:49] [INFO ] Implicit Places using invariants and state equation in 1278 ms returned [48]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 1561 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 104/106 places, 2207/2208 transitions.
Applied a total of 0 rules in 8 ms. Remains 104 /104 variables (removed 0) and now considering 2207/2207 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 43307 ms. Remains : 104/106 places, 2207/2208 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((G(p0)||(F(p2)&&p1)))))'
Stuttering acceptance computed with spot in 288 ms :[true, (NOT p2), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (AND (NOT p2) (NOT p0)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1)))]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N50-LTLFireability-05
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA BridgeAndVehicles-PT-V20P20N50-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V20P20N50-LTLFireability-05 finished in 43635 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(!p0))'
Support contains 3 out of 106 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 106/106 places, 2208/2208 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 105 transition count 2207
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 105 transition count 2207
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 5 place count 103 transition count 2206
Applied a total of 5 rules in 183 ms. Remains 103 /106 variables (removed 3) and now considering 2206/2208 (removed 2) transitions.
[2026-05-23 13:36:50] [INFO ] Flow matrix only has 287 transitions (discarded 1919 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14209220818011182669.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9391191081622092919.kers'
[2026-05-23 13:36:50] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14209220818011182669.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9391191081622092919.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 287 rows 103 cols 1182 entries
Finished phase 1 with 99 SingleSign rule and 0 generalized
[2026-05-23 13:36:50] [INFO ] Computed 4 invariants in 3 ms
Computed 4 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-9391191081622092919.kers
Total runtime 5 ms.
[2026-05-23 13:36:50] [INFO ] Implicit Places using invariants in 292 ms returned []
[2026-05-23 13:36:50] [INFO ] Flow matrix only has 287 transitions (discarded 1919 similar events)
[2026-05-23 13:36:50] [INFO ] Invariant cache hit.
[2026-05-23 13:36:50] [INFO ] State equation strengthened by 101 read => feed constraints.
[2026-05-23 13:36:51] [INFO ] Implicit Places using invariants and state equation in 1231 ms returned [22, 46]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 1528 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 101/106 places, 2206/2208 transitions.
Applied a total of 0 rules in 156 ms. Remains 101 /101 variables (removed 0) and now considering 2206/2206 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1868 ms. Remains : 101/106 places, 2206/2208 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(p0))'
Stuttering acceptance computed with spot in 60 ms :[true, (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N50-LTLFireability-06
Product exploration explored 100000 steps with 793 reset in 763 ms.
Product exploration explored 100000 steps with 794 reset in 786 ms.
Computed a total of 44 stabilizing places and 82 stable transitions
Computed a total of 44 stabilizing places and 82 stable transitions
Knowledge based reduction with 3 factoid took 57 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
RANDOM walk for 40000 steps (316 resets) in 370 ms. (107 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40000 steps (164 resets) in 174 ms. (228 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 301085 steps, run timeout after 3001 ms. (steps per millisecond=100 ) properties seen :0 out of 1
Probabilistic random walk after 301085 steps, saw 85473 distinct states, run finished after 3001 ms. (steps per millisecond=100 ) properties seen :0
[2026-05-23 13:36:56] [INFO ] Flow matrix only has 287 transitions (discarded 1919 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1582872594262529121.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2169314620523067342.kers'
[2026-05-23 13:36:56] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1582872594262529121.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2169314620523067342.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 287 rows 101 cols 1100 entries
Finished phase 1 with 97 SingleSign rule and 0 generalized
[2026-05-23 13:36:56] [INFO ] Computed 4 invariants in 3 ms
Computed 4 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-2169314620523067342.kers
Total runtime 5 ms.
[2026-05-23 13:36:56] [INFO ] State equation strengthened by 101 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 54/57 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 245/302 variables, 57/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/302 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 84/386 variables, 42/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/386 variables, 2/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/386 variables, 101/204 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/386 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 2/388 variables, 2/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/388 variables, 0/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/388 variables, 0/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 388/388 variables, and 206 constraints, problems are : Problem set: 0 solved, 1 unsolved in 231 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 101/101 constraints, ReadFeed: 101/101 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) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 54/57 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 245/302 variables, 57/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/302 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 84/386 variables, 42/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/386 variables, 2/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/386 variables, 101/204 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/386 variables, 1/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/386 variables, 0/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 2/388 variables, 2/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/388 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/388 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 388/388 variables, and 207 constraints, problems are : Problem set: 0 solved, 1 unsolved in 743 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 101/101 constraints, ReadFeed: 101/101 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 990ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 137 ms.
Support contains 3 out of 101 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 2206/2206 transitions.
Applied a total of 0 rules in 143 ms. Remains 101 /101 variables (removed 0) and now considering 2206/2206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 144 ms. Remains : 101/101 places, 2206/2206 transitions.
RANDOM walk for 40000 steps (316 resets) in 349 ms. (114 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (164 resets) in 167 ms. (238 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 301171 steps, run timeout after 3001 ms. (steps per millisecond=100 ) properties seen :0 out of 1
Probabilistic random walk after 301171 steps, saw 85493 distinct states, run finished after 3001 ms. (steps per millisecond=100 ) properties seen :0
[2026-05-23 13:37:01] [INFO ] Flow matrix only has 287 transitions (discarded 1919 similar events)
[2026-05-23 13:37:01] [INFO ] Invariant cache hit.
[2026-05-23 13:37:01] [INFO ] State equation strengthened by 101 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 54/57 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 245/302 variables, 57/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/302 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 84/386 variables, 42/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/386 variables, 2/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/386 variables, 101/204 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/386 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 2/388 variables, 2/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/388 variables, 0/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/388 variables, 0/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 388/388 variables, and 206 constraints, problems are : Problem set: 0 solved, 1 unsolved in 238 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 101/101 constraints, ReadFeed: 101/101 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) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 54/57 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 245/302 variables, 57/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/302 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 84/386 variables, 42/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/386 variables, 2/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/386 variables, 101/204 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/386 variables, 1/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/386 variables, 0/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 2/388 variables, 2/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/388 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/388 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 388/388 variables, and 207 constraints, problems are : Problem set: 0 solved, 1 unsolved in 741 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 101/101 constraints, ReadFeed: 101/101 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 984ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 137 ms.
Support contains 3 out of 101 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 2206/2206 transitions.
Applied a total of 0 rules in 158 ms. Remains 101 /101 variables (removed 0) and now considering 2206/2206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 158 ms. Remains : 101/101 places, 2206/2206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 2206/2206 transitions.
Applied a total of 0 rules in 143 ms. Remains 101 /101 variables (removed 0) and now considering 2206/2206 (removed 0) transitions.
[2026-05-23 13:37:02] [INFO ] Flow matrix only has 287 transitions (discarded 1919 similar events)
[2026-05-23 13:37:02] [INFO ] Invariant cache hit.
[2026-05-23 13:37:02] [INFO ] Implicit Places using invariants in 284 ms returned []
[2026-05-23 13:37:02] [INFO ] Flow matrix only has 287 transitions (discarded 1919 similar events)
[2026-05-23 13:37:02] [INFO ] Invariant cache hit.
[2026-05-23 13:37:03] [INFO ] State equation strengthened by 101 read => feed constraints.
[2026-05-23 13:37:04] [INFO ] Implicit Places using invariants and state equation in 1193 ms returned []
Implicit Place search using SMT with State Equation took 1478 ms to find 0 implicit places.
[2026-05-23 13:37:04] [INFO ] Redundant transitions in 57 ms returned []
Running 2203 sub problems to find dead transitions.
[2026-05-23 13:37:04] [INFO ] Flow matrix only has 287 transitions (discarded 1919 similar events)
[2026-05-23 13:37:04] [INFO ] Invariant cache hit.
[2026-05-23 13:37:04] [INFO ] State equation strengthened by 101 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/101 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2203 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 101/388 variables, and 5 constraints, problems are : Problem set: 0 solved, 2203 unsolved in 30033 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 0/101 constraints, ReadFeed: 0/101 constraints, PredecessorRefiner: 2203/140 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2203 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/101 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2203 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/101 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 2203 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 101/388 variables, and 5 constraints, problems are : Problem set: 0 solved, 2203 unsolved in 30039 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 0/101 constraints, ReadFeed: 0/101 constraints, PredecessorRefiner: 2063/140 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61664ms problems are : Problem set: 0 solved, 2203 unsolved
Search for dead transitions found 0 dead transitions in 61668ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63356 ms. Remains : 101/101 places, 2206/2206 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 1919 transitions
Reduce isomorphic transitions removed 1919 transitions.
Iterating post reduction 0 with 1919 rules applied. Total rules applied 1919 place count 101 transition count 287
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 1 with 2 rules applied. Total rules applied 1921 place count 101 transition count 285
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 1923 place count 99 transition count 285
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 1924 place count 99 transition count 285
Applied a total of 1924 rules in 10 ms. Remains 99 /101 variables (removed 2) and now considering 285/2206 (removed 1921) transitions.
Running SMT prover for 1 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17049708961530532061.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9765131804789297062.kers'
[2026-05-23 13:38:05] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17049708961530532061.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9765131804789297062.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 285 rows 99 cols 1092 entries
Finished phase 1 with 95 SingleSign rule and 0 generalized
[2026-05-23 13:38:05] [INFO ] Computed 4 invariants in 3 ms
Computed 4 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-9765131804789297062.kers
Total runtime 5 ms.
[2026-05-23 13:38:05] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2026-05-23 13:38:06] [INFO ] After 151ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2026-05-23 13:38:06] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2026-05-23 13:38:06] [INFO ] After 79ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2026-05-23 13:38:06] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 13:38:06] [INFO ] After 34ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-23 13:38:06] [INFO ] After 66ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-23 13:38:06] [INFO ] After 237ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 416 ms.
Knowledge based reduction with 3 factoid took 54 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 51 ms :[true, (NOT p0)]
Knowledge-based reduction took 72784 ms.
Stuttering acceptance computed with spot in 49 ms :[true, (NOT p0)]
Support contains 3 out of 101 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 101/101 places, 2206/2206 transitions.
Applied a total of 0 rules in 155 ms. Remains 101 /101 variables (removed 0) and now considering 2206/2206 (removed 0) transitions.
[2026-05-23 13:38:06] [INFO ] Flow matrix only has 287 transitions (discarded 1919 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17182300566789830816.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3385073476995447143.kers'
[2026-05-23 13:38:06] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17182300566789830816.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3385073476995447143.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 287 rows 101 cols 1100 entries
Finished phase 1 with 97 SingleSign rule and 0 generalized
[2026-05-23 13:38:06] [INFO ] Computed 4 invariants in 3 ms
Computed 4 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-3385073476995447143.kers
Total runtime 4 ms.
[2026-05-23 13:38:06] [INFO ] Implicit Places using invariants in 293 ms returned []
[2026-05-23 13:38:06] [INFO ] Flow matrix only has 287 transitions (discarded 1919 similar events)
[2026-05-23 13:38:06] [INFO ] Invariant cache hit.
[2026-05-23 13:38:07] [INFO ] State equation strengthened by 101 read => feed constraints.
[2026-05-23 13:38:08] [INFO ] Implicit Places using invariants and state equation in 1216 ms returned []
Implicit Place search using SMT with State Equation took 1510 ms to find 0 implicit places.
[2026-05-23 13:38:08] [INFO ] Redundant transitions in 58 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1728 ms. Remains : 101/101 places, 2206/2206 transitions.
Computed a total of 44 stabilizing places and 82 stable transitions
Computed a total of 44 stabilizing places and 82 stable transitions
Knowledge based reduction with 3 factoid took 63 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
RANDOM walk for 40000 steps (316 resets) in 375 ms. (106 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (164 resets) in 179 ms. (222 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 299092 steps, run timeout after 3001 ms. (steps per millisecond=99 ) properties seen :0 out of 1
Probabilistic random walk after 299092 steps, saw 84963 distinct states, run finished after 3001 ms. (steps per millisecond=99 ) properties seen :0
[2026-05-23 13:38:11] [INFO ] Flow matrix only has 287 transitions (discarded 1919 similar events)
[2026-05-23 13:38:11] [INFO ] Invariant cache hit.
[2026-05-23 13:38:11] [INFO ] State equation strengthened by 101 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 54/57 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 245/302 variables, 57/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/302 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 84/386 variables, 42/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/386 variables, 2/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/386 variables, 101/204 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/386 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 2/388 variables, 2/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/388 variables, 0/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/388 variables, 0/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 388/388 variables, and 206 constraints, problems are : Problem set: 0 solved, 1 unsolved in 229 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 101/101 constraints, ReadFeed: 101/101 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) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 54/57 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 245/302 variables, 57/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/302 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 84/386 variables, 42/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/386 variables, 2/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/386 variables, 101/204 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/386 variables, 1/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/386 variables, 0/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 2/388 variables, 2/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/388 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/388 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 388/388 variables, and 207 constraints, problems are : Problem set: 0 solved, 1 unsolved in 731 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 101/101 constraints, ReadFeed: 101/101 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 965ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 138 ms.
Support contains 3 out of 101 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 2206/2206 transitions.
Applied a total of 0 rules in 142 ms. Remains 101 /101 variables (removed 0) and now considering 2206/2206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 143 ms. Remains : 101/101 places, 2206/2206 transitions.
RANDOM walk for 40000 steps (316 resets) in 361 ms. (110 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (164 resets) in 171 ms. (232 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 299480 steps, run timeout after 3001 ms. (steps per millisecond=99 ) properties seen :0 out of 1
Probabilistic random walk after 299480 steps, saw 85055 distinct states, run finished after 3001 ms. (steps per millisecond=99 ) properties seen :0
[2026-05-23 13:38:15] [INFO ] Flow matrix only has 287 transitions (discarded 1919 similar events)
[2026-05-23 13:38:15] [INFO ] Invariant cache hit.
[2026-05-23 13:38:15] [INFO ] State equation strengthened by 101 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 54/57 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 245/302 variables, 57/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/302 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 84/386 variables, 42/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/386 variables, 2/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/386 variables, 101/204 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/386 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 2/388 variables, 2/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/388 variables, 0/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/388 variables, 0/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 388/388 variables, and 206 constraints, problems are : Problem set: 0 solved, 1 unsolved in 248 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 101/101 constraints, ReadFeed: 101/101 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) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 54/57 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 245/302 variables, 57/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/302 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 84/386 variables, 42/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/386 variables, 2/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/386 variables, 101/204 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/386 variables, 1/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/386 variables, 0/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 2/388 variables, 2/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/388 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/388 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 388/388 variables, and 207 constraints, problems are : Problem set: 0 solved, 1 unsolved in 743 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 101/101 constraints, ReadFeed: 101/101 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 999ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 138 ms.
Support contains 3 out of 101 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 2206/2206 transitions.
Applied a total of 0 rules in 147 ms. Remains 101 /101 variables (removed 0) and now considering 2206/2206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 147 ms. Remains : 101/101 places, 2206/2206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 2206/2206 transitions.
Applied a total of 0 rules in 142 ms. Remains 101 /101 variables (removed 0) and now considering 2206/2206 (removed 0) transitions.
[2026-05-23 13:38:17] [INFO ] Flow matrix only has 287 transitions (discarded 1919 similar events)
[2026-05-23 13:38:17] [INFO ] Invariant cache hit.
[2026-05-23 13:38:17] [INFO ] Implicit Places using invariants in 294 ms returned []
[2026-05-23 13:38:17] [INFO ] Flow matrix only has 287 transitions (discarded 1919 similar events)
[2026-05-23 13:38:17] [INFO ] Invariant cache hit.
[2026-05-23 13:38:17] [INFO ] State equation strengthened by 101 read => feed constraints.
[2026-05-23 13:38:18] [INFO ] Implicit Places using invariants and state equation in 1190 ms returned []
Implicit Place search using SMT with State Equation took 1486 ms to find 0 implicit places.
[2026-05-23 13:38:18] [INFO ] Redundant transitions in 56 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1691 ms. Remains : 101/101 places, 2206/2206 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 1919 transitions
Reduce isomorphic transitions removed 1919 transitions.
Iterating post reduction 0 with 1919 rules applied. Total rules applied 1919 place count 101 transition count 287
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 1 with 2 rules applied. Total rules applied 1921 place count 101 transition count 285
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 1923 place count 99 transition count 285
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 1924 place count 99 transition count 285
Applied a total of 1924 rules in 9 ms. Remains 99 /101 variables (removed 2) and now considering 285/2206 (removed 1921) transitions.
Running SMT prover for 1 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9564888215064352337.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16167392193105927929.kers'
[2026-05-23 13:38:18] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9564888215064352337.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16167392193105927929.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 285 rows 99 cols 1092 entries
Finished phase 1 with 95 SingleSign rule and 0 generalized
[2026-05-23 13:38:18] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-16167392193105927929.kers
Total runtime 1 ms.
[2026-05-23 13:38:18] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2026-05-23 13:38:18] [INFO ] After 152ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2026-05-23 13:38:19] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2026-05-23 13:38:19] [INFO ] After 76ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2026-05-23 13:38:19] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 13:38:19] [INFO ] After 29ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-23 13:38:19] [INFO ] After 59ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-23 13:38:19] [INFO ] After 209ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 380 ms.
Knowledge based reduction with 3 factoid took 49 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 54 ms :[true, (NOT p0)]
Knowledge-based reduction took 11079 ms.
Stuttering acceptance computed with spot in 48 ms :[true, (NOT p0)]
Stuttering acceptance computed with spot in 60 ms :[true, (NOT p0)]
Product exploration explored 100000 steps with 794 reset in 767 ms.
Product exploration explored 100000 steps with 793 reset in 780 ms.
Built C files in :
/tmp/ltsmin8994235439266630881
[2026-05-23 13:38:21] [INFO ] Too many transitions (2206) to apply POR reductions. Disabling POR matrices.
[2026-05-23 13:38:21] [INFO ] Built C files in 29ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin8994235439266630881
Running compilation step : cd /tmp/ltsmin8994235439266630881;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin8994235439266630881;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin8994235439266630881;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:94)
at java.base/java.lang.Thread.run(Thread.java:1583)
Support contains 3 out of 101 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 101/101 places, 2206/2206 transitions.
Applied a total of 0 rules in 160 ms. Remains 101 /101 variables (removed 0) and now considering 2206/2206 (removed 0) transitions.
[2026-05-23 13:38:24] [INFO ] Flow matrix only has 287 transitions (discarded 1919 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3263227485143301361.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11649406185386684662.kers'
[2026-05-23 13:38:24] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3263227485143301361.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11649406185386684662.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 287 rows 101 cols 1100 entries
Finished phase 1 with 97 SingleSign rule and 0 generalized
[2026-05-23 13:38:24] [INFO ] Computed 4 invariants in 3 ms
Computed 4 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-11649406185386684662.kers
Total runtime 3 ms.
[2026-05-23 13:38:24] [INFO ] Implicit Places using invariants in 288 ms returned []
[2026-05-23 13:38:24] [INFO ] Flow matrix only has 287 transitions (discarded 1919 similar events)
[2026-05-23 13:38:24] [INFO ] Invariant cache hit.
[2026-05-23 13:38:24] [INFO ] State equation strengthened by 101 read => feed constraints.
[2026-05-23 13:38:25] [INFO ] Implicit Places using invariants and state equation in 1173 ms returned []
Implicit Place search using SMT with State Equation took 1463 ms to find 0 implicit places.
[2026-05-23 13:38:25] [INFO ] Redundant transitions in 58 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1691 ms. Remains : 101/101 places, 2206/2206 transitions.
Built C files in :
/tmp/ltsmin355849824389180816
[2026-05-23 13:38:25] [INFO ] Too many transitions (2206) to apply POR reductions. Disabling POR matrices.
[2026-05-23 13:38:25] [INFO ] Built C files in 27ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin355849824389180816
Running compilation step : cd /tmp/ltsmin355849824389180816;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin355849824389180816;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin355849824389180816;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:94)
at java.base/java.lang.Thread.run(Thread.java:1583)
[2026-05-23 13:38:28] [INFO ] Flatten gal took : 35 ms
[2026-05-23 13:38:28] [INFO ] Flatten gal took : 31 ms
[2026-05-23 13:38:28] [INFO ] Time to serialize gal into /tmp/LTL17111588059033353985.gal : 15 ms
[2026-05-23 13:38:28] [INFO ] Time to serialize properties into /tmp/LTL16713311266184278885.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL17111588059033353985.gal' '-t' 'CGAL' '-hoa' '/tmp/aut9937576232613706635.hoa' '-atoms' '/tmp/LTL16713311266184278885.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...319
Loading property file /tmp/LTL16713311266184278885.prop.
Loaded 1 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut9937576232613706635.hoa
Detected timeout of ITS tools.
[2026-05-23 13:38:44] [INFO ] Flatten gal took : 28 ms
[2026-05-23 13:38:44] [INFO ] Flatten gal took : 29 ms
[2026-05-23 13:38:44] [INFO ] Time to serialize gal into /tmp/LTL942873370810295943.gal : 11 ms
[2026-05-23 13:38:44] [INFO ] Time to serialize properties into /tmp/LTL1301138527970738075.ltl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL942873370810295943.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL1301138527970738075.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...274
Read 1 LTL properties
Checking formula 0 : !((G("(((CHOIX_1<1)||(COMPTEUR_50<1))&&((CHOIX_2<1)||(COMPTEUR_50<1)))")))
Formula 0 simplified : F!"(((CHOIX_1<1)||(COMPTEUR_50<1))&&((CHOIX_2<1)||(COMPTEUR_50<1)))"
Detected timeout of ITS tools.
[2026-05-23 13:38:59] [INFO ] Flatten gal took : 30 ms
[2026-05-23 13:38:59] [INFO ] Applying decomposition
[2026-05-23 13:38:59] [INFO ] Flatten gal took : 30 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph4283649838951025797.txt' '-o' '/tmp/graph4283649838951025797.bin' '-w' '/tmp/graph4283649838951025797.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph4283649838951025797.bin' '-l' '-1' '-v' '-w' '/tmp/graph4283649838951025797.weights' '-q' '0' '-e' '0.001'
[2026-05-23 13:38:59] [INFO ] Decomposing Gal with order
[2026-05-23 13:38:59] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 13:38:59] [INFO ] Removed a total of 4135 redundant transitions.
[2026-05-23 13:38:59] [INFO ] Flatten gal took : 314 ms
[2026-05-23 13:38:59] [INFO ] Fuse similar labels procedure discarded/fused a total of 296 labels/synchronizations in 13 ms.
[2026-05-23 13:38:59] [INFO ] Time to serialize gal into /tmp/LTL6593570103390483449.gal : 1 ms
[2026-05-23 13:38:59] [INFO ] Time to serialize properties into /tmp/LTL4135348169613871859.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL6593570103390483449.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL4135348169613871859.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...254
Read 1 LTL properties
Checking formula 0 : !((G("(((u0.CHOIX_1<1)||(i1.u1.COMPTEUR_50<1))&&((i1.u2.CHOIX_2<1)||(i1.u1.COMPTEUR_50<1)))")))
Formula 0 simplified : F!"(((u0.CHOIX_1<1)||(i1.u1.COMPTEUR_50<1))&&((i1.u2.CHOIX_2<1)||(i1.u1.COMPTEUR_50<1)))"
Detected timeout of ITS tools.
Treatment of property BridgeAndVehicles-PT-V20P20N50-LTLFireability-06 finished in 144574 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 95 out of 106 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 106/106 places, 2208/2208 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 105 transition count 2207
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 105 transition count 2207
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 5 place count 103 transition count 2206
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 9 place count 101 transition count 2204
Applied a total of 9 rules in 228 ms. Remains 101 /106 variables (removed 5) and now considering 2204/2208 (removed 4) transitions.
[2026-05-23 13:39:14] [INFO ] Flow matrix only has 285 transitions (discarded 1919 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4722098570937295161.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18145267863053064193.kers'
[2026-05-23 13:39:14] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4722098570937295161.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18145267863053064193.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 285 rows 101 cols 1178 entries
Finished phase 1 with 97 SingleSign rule and 0 generalized
[2026-05-23 13:39:14] [INFO ] Computed 4 invariants in 3 ms
Computed 4 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-18145267863053064193.kers
Total runtime 5 ms.
[2026-05-23 13:39:15] [INFO ] Implicit Places using invariants in 45 ms returned []
[2026-05-23 13:39:15] [INFO ] Flow matrix only has 285 transitions (discarded 1919 similar events)
[2026-05-23 13:39:15] [INFO ] Invariant cache hit.
[2026-05-23 13:39:15] [INFO ] State equation strengthened by 101 read => feed constraints.
[2026-05-23 13:39:15] [INFO ] Implicit Places using invariants and state equation in 201 ms returned [22, 46]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 251 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 99/106 places, 2204/2208 transitions.
Applied a total of 0 rules in 197 ms. Remains 99 /99 variables (removed 0) and now considering 2204/2204 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 678 ms. Remains : 99/106 places, 2204/2208 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 40 ms :[(NOT p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N50-LTLFireability-07
Product exploration explored 100000 steps with 2317 reset in 8778 ms.
Product exploration explored 100000 steps with 2272 reset in 7374 ms.
Computed a total of 44 stabilizing places and 82 stable transitions
Computed a total of 44 stabilizing places and 82 stable transitions
Knowledge based reduction with 2 factoid took 85 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 245 steps (0 resets) in 37 ms. (6 steps per ms) remains 0/1 properties
Knowledge based reduction with 2 factoid took 75 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 39 ms :[(NOT p0)]
[2026-05-23 13:39:31] [INFO ] Flow matrix only has 285 transitions (discarded 1919 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10519092392498317361.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12851287198577085942.kers'
[2026-05-23 13:39:32] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10519092392498317361.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12851287198577085942.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 285 rows 99 cols 1096 entries
Finished phase 1 with 95 SingleSign rule and 0 generalized
[2026-05-23 13:39:32] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-12851287198577085942.kers
Total runtime 1 ms.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:308)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:834)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testEGap(DeadlockTester.java:590)
at fr.lip6.move.gal.application.solver.ltl.knowledge.KnowledgeFacts.computeEGknowledge(KnowledgeFacts.java:240)
at fr.lip6.move.gal.application.solver.ltl.knowledge.KnowledgeOrchestrator.applyKnowledgeBasedReductions(KnowledgeOrchestrator.java:52)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:248)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:217)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:66)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:849)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
[2026-05-23 13:40:00] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression EG (NOT p0)
Could not prove EG (NOT p0)
Knowledge-based reduction took 28677 ms.
Stuttering acceptance computed with spot in 58 ms :[(NOT p0)]
Support contains 95 out of 99 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 99/99 places, 2204/2204 transitions.
Applied a total of 0 rules in 209 ms. Remains 99 /99 variables (removed 0) and now considering 2204/2204 (removed 0) transitions.
[2026-05-23 13:40:00] [INFO ] Flow matrix only has 285 transitions (discarded 1919 similar events)
[2026-05-23 13:40:00] [INFO ] Invariant cache hit.
[2026-05-23 13:40:00] [INFO ] Implicit Places using invariants in 42 ms returned []
[2026-05-23 13:40:00] [INFO ] Flow matrix only has 285 transitions (discarded 1919 similar events)
[2026-05-23 13:40:00] [INFO ] Invariant cache hit.
[2026-05-23 13:40:00] [INFO ] State equation strengthened by 101 read => feed constraints.
[2026-05-23 13:40:00] [INFO ] Implicit Places using invariants and state equation in 160 ms returned []
Implicit Place search using SMT with State Equation took 204 ms to find 0 implicit places.
[2026-05-23 13:40:00] [INFO ] Redundant transitions in 56 ms returned []
Running 2201 sub problems to find dead transitions.
[2026-05-23 13:40:00] [INFO ] Flow matrix only has 285 transitions (discarded 1919 similar events)
[2026-05-23 13:40:00] [INFO ] Invariant cache hit.
[2026-05-23 13:40:00] [INFO ] State equation strengthened by 101 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2201 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 99/384 variables, and 4 constraints, problems are : Problem set: 0 solved, 2201 unsolved in 30059 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 0/99 constraints, ReadFeed: 0/101 constraints, PredecessorRefiner: 2201/40 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2201 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2201 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 99/384 variables, and 4 constraints, problems are : Problem set: 0 solved, 2201 unsolved in 30048 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 0/99 constraints, ReadFeed: 0/101 constraints, PredecessorRefiner: 2161/40 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61865ms problems are : Problem set: 0 solved, 2201 unsolved
Search for dead transitions found 0 dead transitions in 61869ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 62348 ms. Remains : 99/99 places, 2204/2204 transitions.
Computed a total of 44 stabilizing places and 82 stable transitions
Computed a total of 44 stabilizing places and 82 stable transitions
Knowledge based reduction with 2 factoid took 66 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 90 steps (0 resets) in 105 ms. (0 steps per ms) remains 0/1 properties
Knowledge based reduction with 2 factoid took 66 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 33 ms :[(NOT p0)]
[2026-05-23 13:41:03] [INFO ] Flow matrix only has 285 transitions (discarded 1919 similar events)
[2026-05-23 13:41:04] [INFO ] Invariant cache hit.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:308)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:834)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testEGap(DeadlockTester.java:590)
at fr.lip6.move.gal.application.solver.ltl.knowledge.KnowledgeFacts.computeEGknowledge(KnowledgeFacts.java:240)
at fr.lip6.move.gal.application.solver.ltl.knowledge.KnowledgeOrchestrator.applyKnowledgeBasedReductions(KnowledgeOrchestrator.java:52)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:261)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:217)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:66)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:849)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
[2026-05-23 13:41:30] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression EG (NOT p0)
Could not prove EG (NOT p0)
Knowledge-based reduction took 27799 ms.
Stuttering acceptance computed with spot in 31 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 33 ms :[(NOT p0)]
Product exploration explored 100000 steps with 2321 reset in 7253 ms.
Product exploration explored 100000 steps with 2261 reset in 7247 ms.
Built C files in :
/tmp/ltsmin10163230202323084614
[2026-05-23 13:41:45] [INFO ] Too many transitions (2204) to apply POR reductions. Disabling POR matrices.
[2026-05-23 13:41:45] [INFO ] Built C files in 46ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin10163230202323084614
Running compilation step : cd /tmp/ltsmin10163230202323084614;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin10163230202323084614;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin10163230202323084614;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:94)
at java.base/java.lang.Thread.run(Thread.java:1583)
Support contains 95 out of 99 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 99/99 places, 2204/2204 transitions.
Applied a total of 0 rules in 620 ms. Remains 99 /99 variables (removed 0) and now considering 2204/2204 (removed 0) transitions.
[2026-05-23 13:41:48] [INFO ] Flow matrix only has 285 transitions (discarded 1919 similar events)
[2026-05-23 13:41:48] [INFO ] Invariant cache hit.
[2026-05-23 13:41:49] [INFO ] Implicit Places using invariants in 30 ms returned []
[2026-05-23 13:41:49] [INFO ] Flow matrix only has 285 transitions (discarded 1919 similar events)
[2026-05-23 13:41:49] [INFO ] Invariant cache hit.
[2026-05-23 13:41:49] [INFO ] State equation strengthened by 101 read => feed constraints.
[2026-05-23 13:41:49] [INFO ] Implicit Places using invariants and state equation in 173 ms returned []
Implicit Place search using SMT with State Equation took 208 ms to find 0 implicit places.
[2026-05-23 13:41:49] [INFO ] Redundant transitions in 188 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1023 ms. Remains : 99/99 places, 2204/2204 transitions.
Built C files in :
/tmp/ltsmin15371281342061459803
[2026-05-23 13:41:49] [INFO ] Too many transitions (2204) to apply POR reductions. Disabling POR matrices.
[2026-05-23 13:41:49] [INFO ] Built C files in 55ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin15371281342061459803
Running compilation step : cd /tmp/ltsmin15371281342061459803;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin15371281342061459803;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin15371281342061459803;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:94)
at java.base/java.lang.Thread.run(Thread.java:1583)
[2026-05-23 13:41:53] [INFO ] Flatten gal took : 124 ms
[2026-05-23 13:41:53] [INFO ] Flatten gal took : 75 ms
[2026-05-23 13:41:53] [INFO ] Time to serialize gal into /tmp/LTL15372890794758535505.gal : 28 ms
[2026-05-23 13:41:53] [INFO ] Time to serialize properties into /tmp/LTL15491132504690705071.prop : 13 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL15372890794758535505.gal' '-t' 'CGAL' '-hoa' '/tmp/aut6085827422281946378.hoa' '-atoms' '/tmp/LTL15491132504690705071.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...319
Loading property file /tmp/LTL15491132504690705071.prop.
Loaded 1 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut6085827422281946378.hoa
Detected timeout of ITS tools.
[2026-05-23 13:42:08] [INFO ] Flatten gal took : 82 ms
[2026-05-23 13:42:08] [INFO ] Flatten gal took : 72 ms
[2026-05-23 13:42:08] [INFO ] Time to serialize gal into /tmp/LTL9503248019093029475.gal : 11 ms
[2026-05-23 13:42:08] [INFO ] Time to serialize properties into /tmp/LTL4558777752530012620.ltl : 13 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL9503248019093029475.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL4558777752530012620.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...275
Read 1 LTL properties
Checking formula 0 : !((F("((((((((((((((NB_ATTENTE_A_19>=1)&&(CONTROLEUR_2>=1))&&((NB_ATTENTE_B_0>=1)&&(COMPTEUR_40>=1)))||(((NB_ATTENTE_A_2>=1)&&(CONTROL...178229
Formula 0 simplified : G!"((((((((((((((NB_ATTENTE_A_19>=1)&&(CONTROLEUR_2>=1))&&((NB_ATTENTE_B_0>=1)&&(COMPTEUR_40>=1)))||(((NB_ATTENTE_A_2>=1)&&(CONTROLE...178225
Detected timeout of ITS tools.
[2026-05-23 13:42:23] [INFO ] Flatten gal took : 63 ms
[2026-05-23 13:42:23] [INFO ] Applying decomposition
[2026-05-23 13:42:23] [INFO ] Flatten gal took : 63 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph18367031735713528599.txt' '-o' '/tmp/graph18367031735713528599.bin' '-w' '/tmp/graph18367031735713528599.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph18367031735713528599.bin' '-l' '-1' '-v' '-w' '/tmp/graph18367031735713528599.weights' '-q' '0' '-e' '0.001'
[2026-05-23 13:42:24] [INFO ] Decomposing Gal with order
[2026-05-23 13:42:24] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 13:42:24] [INFO ] Removed a total of 4235 redundant transitions.
[2026-05-23 13:42:24] [INFO ] Flatten gal took : 514 ms
[2026-05-23 13:42:24] [INFO ] Fuse similar labels procedure discarded/fused a total of 296 labels/synchronizations in 22 ms.
[2026-05-23 13:42:24] [INFO ] Time to serialize gal into /tmp/LTL711055477043697170.gal : 2 ms
[2026-05-23 13:42:24] [INFO ] Time to serialize properties into /tmp/LTL13963162372783388790.ltl : 20 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL711055477043697170.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL13963162372783388790.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...254
Read 1 LTL properties
Checking formula 0 : !((F("((((((((((((((i0.u0.NB_ATTENTE_A_19>=1)&&(i0.u0.CONTROLEUR_2>=1))&&((i0.u0.NB_ATTENTE_B_0>=1)&&(i0.u2.COMPTEUR_40>=1)))||(((i0.u...218009
Formula 0 simplified : G!"((((((((((((((i0.u0.NB_ATTENTE_A_19>=1)&&(i0.u0.CONTROLEUR_2>=1))&&((i0.u0.NB_ATTENTE_B_0>=1)&&(i0.u2.COMPTEUR_40>=1)))||(((i0.u0...218005
Reverse transition relation is NOT exact ! Due to transitions t0, t45, t23_t21, t2188_t21, t2206_t21, t968_t43, i0.t1251_t42, Intersection with reachable ...223
Computing Next relation with stutter on 40 deadlock states
Detected timeout of ITS tools.
Treatment of property BridgeAndVehicles-PT-V20P20N50-LTLFireability-07 finished in 205033 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X((F(X(!X(!X(F(p0))))) U p1))) U X(p2)))'
Support contains 7 out of 106 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 2208/2208 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 105 transition count 2207
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 105 transition count 2207
Applied a total of 2 rules in 45 ms. Remains 105 /106 variables (removed 1) and now considering 2207/2208 (removed 1) transitions.
Running 2204 sub problems to find dead transitions.
[2026-05-23 13:42:39] [INFO ] Flow matrix only has 288 transitions (discarded 1919 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-86614034017894658.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9832440227565638595.kers'
[2026-05-23 13:42:39] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-86614034017894658.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9832440227565638595.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 1 ms.
// Phase 1: matrix 288 rows 104 cols 1223 entries
Finished phase 1 with 100 SingleSign rule and 0 generalized
[2026-05-23 13:42:39] [INFO ] Computed 5 invariants in 2 ms
Computed 5 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-9832440227565638595.kers
Total runtime 3 ms.
[2026-05-23 13:42:39] [INFO ] State equation strengthened by 101 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 105/393 variables, and 6 constraints, problems are : Problem set: 0 solved, 2204 unsolved in 20040 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/105 constraints, ReadFeed: 0/101 constraints, PredecessorRefiner: 2204/141 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2204 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/105 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 105/393 variables, and 6 constraints, problems are : Problem set: 0 solved, 2204 unsolved in 20037 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/105 constraints, ReadFeed: 0/101 constraints, PredecessorRefiner: 2063/141 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 42033ms problems are : Problem set: 0 solved, 2204 unsolved
Search for dead transitions found 0 dead transitions in 42040ms
[2026-05-23 13:43:21] [INFO ] Flow matrix only has 288 transitions (discarded 1919 similar events)
[2026-05-23 13:43:21] [INFO ] Invariant cache hit.
[2026-05-23 13:43:22] [INFO ] Implicit Places using invariants in 324 ms returned []
[2026-05-23 13:43:22] [INFO ] Flow matrix only has 288 transitions (discarded 1919 similar events)
[2026-05-23 13:43:22] [INFO ] Invariant cache hit.
[2026-05-23 13:43:22] [INFO ] State equation strengthened by 101 read => feed constraints.
[2026-05-23 13:43:23] [INFO ] Implicit Places using invariants and state equation in 1198 ms returned [22, 48]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 1529 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 103/106 places, 2207/2208 transitions.
Applied a total of 0 rules in 10 ms. Remains 103 /103 variables (removed 0) and now considering 2207/2207 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 43631 ms. Remains : 103/106 places, 2207/2208 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X((F(X(!X(!X(F(p0))))) U p1))) U X(p2)))'
Stuttering acceptance computed with spot in 226 ms :[(NOT p2), (NOT p2), (OR (NOT p1) (NOT p2)), (OR (NOT p1) (NOT p0)), (NOT p0), (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N50-LTLFireability-08
Stuttering criterion allowed to conclude after 164 steps with 0 reset in 5 ms.
FORMULA BridgeAndVehicles-PT-V20P20N50-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V20P20N50-LTLFireability-08 finished in 43912 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||X(!p1)))'
Support contains 6 out of 106 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 2208/2208 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 105 transition count 2207
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 105 transition count 2207
Applied a total of 2 rules in 18 ms. Remains 105 /106 variables (removed 1) and now considering 2207/2208 (removed 1) transitions.
Skipped dead transition search.
[2026-05-23 13:43:23] [INFO ] Flow matrix only has 288 transitions (discarded 1919 similar events)
[2026-05-23 13:43:23] [INFO ] Invariant cache hit.
[2026-05-23 13:43:23] [INFO ] Implicit Places using invariants in 270 ms returned []
[2026-05-23 13:43:23] [INFO ] Flow matrix only has 288 transitions (discarded 1919 similar events)
[2026-05-23 13:43:23] [INFO ] Invariant cache hit.
[2026-05-23 13:43:24] [INFO ] State equation strengthened by 101 read => feed constraints.
[2026-05-23 13:43:24] [INFO ] Implicit Places using invariants and state equation in 875 ms returned [22, 48]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 1150 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 103/106 places, 2207/2208 transitions.
Applied a total of 0 rules in 9 ms. Remains 103 /103 variables (removed 0) and now considering 2207/2207 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1177 ms. Remains : 103/106 places, 2207/2208 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||X(p1)))'
Stuttering acceptance computed with spot in 159 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1)), (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N50-LTLFireability-10
Product exploration explored 100000 steps with 50000 reset in 808 ms.
Product exploration explored 100000 steps with 50000 reset in 811 ms.
Computed a total of 46 stabilizing places and 83 stable transitions
Computed a total of 46 stabilizing places and 83 stable transitions
Detected a total of 46/103 stabilizing places and 83/2207 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 7 factoid took 13 ms. Proved property starting from automaton with 5 states, 8 edges and 2 AP (stutter sensitive
Knowledge-based reduction took 37 ms.
FORMULA BridgeAndVehicles-PT-V20P20N50-LTLFireability-10 TRUE TECHNIQUES KNOWLEDGE
Treatment of property BridgeAndVehicles-PT-V20P20N50-LTLFireability-10 finished in 3022 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&&(p1||G(p2)))))'
Support contains 7 out of 106 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 2208/2208 transitions.
Applied a total of 0 rules in 6 ms. Remains 106 /106 variables (removed 0) and now considering 2208/2208 (removed 0) transitions.
Running 2205 sub problems to find dead transitions.
[2026-05-23 13:43:26] [INFO ] Flow matrix only has 289 transitions (discarded 1919 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-89024100850444514.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15159866004885860752.kers'
[2026-05-23 13:43:26] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-89024100850444514.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15159866004885860752.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 289 rows 106 cols 1266 entries
Finished phase 1 with 101 SingleSign rule and 0 generalized
[2026-05-23 13:43:26] [INFO ] Computed 5 invariants in 1 ms
Computed 5 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-15159866004885860752.kers
Total runtime 2 ms.
[2026-05-23 13:43:26] [INFO ] State equation strengthened by 101 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 106/395 variables, and 6 constraints, problems are : Problem set: 0 solved, 2205 unsolved in 20047 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/106 constraints, ReadFeed: 0/101 constraints, PredecessorRefiner: 2205/142 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2205 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2205 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 106/395 variables, and 6 constraints, problems are : Problem set: 0 solved, 2205 unsolved in 20034 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/106 constraints, ReadFeed: 0/101 constraints, PredecessorRefiner: 2063/142 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41781ms problems are : Problem set: 0 solved, 2205 unsolved
Search for dead transitions found 0 dead transitions in 41786ms
[2026-05-23 13:44:08] [INFO ] Flow matrix only has 289 transitions (discarded 1919 similar events)
[2026-05-23 13:44:08] [INFO ] Invariant cache hit.
[2026-05-23 13:44:08] [INFO ] Implicit Places using invariants in 277 ms returned []
[2026-05-23 13:44:08] [INFO ] Flow matrix only has 289 transitions (discarded 1919 similar events)
[2026-05-23 13:44:08] [INFO ] Invariant cache hit.
[2026-05-23 13:44:08] [INFO ] State equation strengthened by 101 read => feed constraints.
[2026-05-23 13:44:11] [INFO ] Implicit Places using invariants and state equation in 2936 ms returned [22, 48]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 3219 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 104/106 places, 2208/2208 transitions.
Applied a total of 0 rules in 11 ms. Remains 104 /104 variables (removed 0) and now considering 2208/2208 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 45027 ms. Remains : 104/106 places, 2208/2208 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&&(G(p1)||p2))))'
Stuttering acceptance computed with spot in 128 ms :[true, (OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p1), (OR (NOT p0) (AND (NOT p1) (NOT p2)))]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N50-LTLFireability-11
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA BridgeAndVehicles-PT-V20P20N50-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V20P20N50-LTLFireability-11 finished in 45190 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) U X(p1)))'
Support contains 6 out of 106 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 2208/2208 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 105 transition count 2207
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 105 transition count 2207
Applied a total of 2 rules in 11 ms. Remains 105 /106 variables (removed 1) and now considering 2207/2208 (removed 1) transitions.
Running 2204 sub problems to find dead transitions.
[2026-05-23 13:44:11] [INFO ] Flow matrix only has 288 transitions (discarded 1919 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14009865968525845951.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2945243978767055010.kers'
[2026-05-23 13:44:11] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14009865968525845951.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2945243978767055010.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 288 rows 104 cols 1223 entries
Finished phase 1 with 100 SingleSign rule and 0 generalized
[2026-05-23 13:44:11] [INFO ] Computed 5 invariants in 1 ms
Computed 5 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-2945243978767055010.kers
Total runtime 1 ms.
[2026-05-23 13:44:11] [INFO ] State equation strengthened by 101 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 105/393 variables, and 6 constraints, problems are : Problem set: 0 solved, 2204 unsolved in 20034 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/105 constraints, ReadFeed: 0/101 constraints, PredecessorRefiner: 2204/141 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2204 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/105 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 105/393 variables, and 6 constraints, problems are : Problem set: 0 solved, 2204 unsolved in 20033 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/105 constraints, ReadFeed: 0/101 constraints, PredecessorRefiner: 2063/141 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41712ms problems are : Problem set: 0 solved, 2204 unsolved
Search for dead transitions found 0 dead transitions in 41717ms
[2026-05-23 13:44:53] [INFO ] Flow matrix only has 288 transitions (discarded 1919 similar events)
[2026-05-23 13:44:53] [INFO ] Invariant cache hit.
[2026-05-23 13:44:53] [INFO ] Implicit Places using invariants in 261 ms returned []
[2026-05-23 13:44:53] [INFO ] Flow matrix only has 288 transitions (discarded 1919 similar events)
[2026-05-23 13:44:53] [INFO ] Invariant cache hit.
[2026-05-23 13:44:53] [INFO ] State equation strengthened by 101 read => feed constraints.
[2026-05-23 13:44:55] [INFO ] Implicit Places using invariants and state equation in 1319 ms returned [22]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 1584 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 104/106 places, 2207/2208 transitions.
Applied a total of 0 rules in 7 ms. Remains 104 /104 variables (removed 0) and now considering 2207/2207 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 43326 ms. Remains : 104/106 places, 2207/2208 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) U X(p1)))'
Stuttering acceptance computed with spot in 157 ms :[(NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N50-LTLFireability-12
Stuttering criterion allowed to conclude after 164 steps with 0 reset in 4 ms.
FORMULA BridgeAndVehicles-PT-V20P20N50-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V20P20N50-LTLFireability-12 finished in 43525 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0 U G((X(!p1) U p2))) U p1))'
Support contains 5 out of 106 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 2208/2208 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 105 transition count 2207
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 105 transition count 2207
Applied a total of 2 rules in 15 ms. Remains 105 /106 variables (removed 1) and now considering 2207/2208 (removed 1) transitions.
Skipped dead transition search.
[2026-05-23 13:44:55] [INFO ] Flow matrix only has 288 transitions (discarded 1919 similar events)
[2026-05-23 13:44:55] [INFO ] Invariant cache hit.
[2026-05-23 13:44:55] [INFO ] Implicit Places using invariants in 291 ms returned []
[2026-05-23 13:44:55] [INFO ] Flow matrix only has 288 transitions (discarded 1919 similar events)
[2026-05-23 13:44:55] [INFO ] Invariant cache hit.
[2026-05-23 13:44:55] [INFO ] State equation strengthened by 101 read => feed constraints.
[2026-05-23 13:44:56] [INFO ] Implicit Places using invariants and state equation in 1144 ms returned [22, 48]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 1441 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 103/106 places, 2207/2208 transitions.
Applied a total of 0 rules in 7 ms. Remains 103 /103 variables (removed 0) and now considering 2207/2207 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1463 ms. Remains : 103/106 places, 2207/2208 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0 U G((X(!p1) U p2))) U p1))'
Stuttering acceptance computed with spot in 219 ms :[(NOT p1), (OR (NOT p2) p1), (NOT p2), (NOT p2), (NOT p2), true]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N50-LTLFireability-13
Entered a terminal (fully accepting) state of product in 6 steps with 0 reset in 0 ms.
FORMULA BridgeAndVehicles-PT-V20P20N50-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V20P20N50-LTLFireability-13 finished in 1723 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G((G(((p1 U p2)&&p0)) U p1))))'
Support contains 5 out of 106 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 106/106 places, 2208/2208 transitions.
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 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 105 transition count 2207
Applied a total of 2 rules in 173 ms. Remains 105 /106 variables (removed 1) and now considering 2207/2208 (removed 1) transitions.
Skipped dead transition search.
[2026-05-23 13:44:57] [INFO ] Flow matrix only has 288 transitions (discarded 1919 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2668851940042788680.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8235639504271871007.kers'
[2026-05-23 13:44:57] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2668851940042788680.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8235639504271871007.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 288 rows 104 cols 1203 entries
Finished phase 1 with 100 SingleSign rule and 0 generalized
[2026-05-23 13:44:57] [INFO ] Computed 5 invariants in 2 ms
Computed 5 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-8235639504271871007.kers
Total runtime 3 ms.
[2026-05-23 13:44:57] [INFO ] Implicit Places using invariants in 318 ms returned []
[2026-05-23 13:44:57] [INFO ] Flow matrix only has 288 transitions (discarded 1919 similar events)
[2026-05-23 13:44:57] [INFO ] Invariant cache hit.
[2026-05-23 13:44:57] [INFO ] State equation strengthened by 101 read => feed constraints.
[2026-05-23 13:44:58] [INFO ] Implicit Places using invariants and state equation in 1272 ms returned [22, 47]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 1596 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 103/106 places, 2207/2208 transitions.
Applied a total of 0 rules in 162 ms. Remains 103 /103 variables (removed 0) and now considering 2207/2207 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1933 ms. Remains : 103/106 places, 2207/2208 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G((G(((p1 U p2)&&p0)) U p1))))'
Stuttering acceptance computed with spot in 147 ms :[(NOT p1), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p1) (NOT p2))), (NOT p1), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N50-LTLFireability-14
Stuttering criterion allowed to conclude after 144 steps with 0 reset in 2 ms.
FORMULA BridgeAndVehicles-PT-V20P20N50-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V20P20N50-LTLFireability-14 finished in 2113 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(!p0))'
Support contains 2 out of 106 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 106/106 places, 2208/2208 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 105 transition count 2207
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 105 transition count 2207
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 5 place count 103 transition count 2206
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 9 place count 101 transition count 2204
Applied a total of 9 rules in 234 ms. Remains 101 /106 variables (removed 5) and now considering 2204/2208 (removed 4) transitions.
[2026-05-23 13:44:59] [INFO ] Flow matrix only has 285 transitions (discarded 1919 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12132312202620195719.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9871215415802815440.kers'
[2026-05-23 13:44:59] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12132312202620195719.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9871215415802815440.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 285 rows 101 cols 1178 entries
Finished phase 1 with 97 SingleSign rule and 0 generalized
[2026-05-23 13:44:59] [INFO ] Computed 4 invariants in 1 ms
Computed 4 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-9871215415802815440.kers
Total runtime 1 ms.
[2026-05-23 13:44:59] [INFO ] Implicit Places using invariants in 320 ms returned []
[2026-05-23 13:44:59] [INFO ] Flow matrix only has 285 transitions (discarded 1919 similar events)
[2026-05-23 13:44:59] [INFO ] Invariant cache hit.
[2026-05-23 13:44:59] [INFO ] State equation strengthened by 101 read => feed constraints.
[2026-05-23 13:45:00] [INFO ] Implicit Places using invariants and state equation in 738 ms returned [22, 46]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 1063 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 99/106 places, 2204/2208 transitions.
Applied a total of 0 rules in 158 ms. Remains 99 /99 variables (removed 0) and now considering 2204/2204 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1455 ms. Remains : 99/106 places, 2204/2208 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(p0))'
Stuttering acceptance computed with spot in 61 ms :[true, (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N50-LTLFireability-15
Entered a terminal (fully accepting) state of product in 1061 steps with 8 reset in 19 ms.
FORMULA BridgeAndVehicles-PT-V20P20N50-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V20P20N50-LTLFireability-15 finished in 1574 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)))'
Spot run failed in 38 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/senseclsl.py", line 2, in
import spot, sys
ModuleNotFoundError: No module named 'spot'
Warning : SL/CL computation failed.
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) U X(X(X(p1))))))))'
Spot run failed in 36 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/senseclsl.py", line 2, in
import spot, sys
ModuleNotFoundError: No module named 'spot'
Warning : SL/CL computation failed.
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)) U G(p1)))'
Spot run failed in 42 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/senseclsl.py", line 2, in
import spot, sys
ModuleNotFoundError: No module named 'spot'
Warning : SL/CL computation failed.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(!p0))'
Spot run failed in 41 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/senseclsl.py", line 2, in
import spot, sys
ModuleNotFoundError: No module named 'spot'
Warning : SL/CL computation failed.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Spot run failed in 36 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/senseclsl.py", line 2, in
import spot, sys
ModuleNotFoundError: No module named 'spot'
Warning : SL/CL computation failed.
[2026-05-23 13:45:01] [INFO ] Flatten gal took : 55 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin4403073549737315618
[2026-05-23 13:45:01] [INFO ] Too many transitions (2208) to apply POR reductions. Disabling POR matrices.
[2026-05-23 13:45:01] [INFO ] Applying decomposition
[2026-05-23 13:45:01] [INFO ] Built C files in 62ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin4403073549737315618
Running compilation step : cd /tmp/ltsmin4403073549737315618;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '144' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
[2026-05-23 13:45:01] [INFO ] Flatten gal took : 55 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph9187269892066399194.txt' '-o' '/tmp/graph9187269892066399194.bin' '-w' '/tmp/graph9187269892066399194.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph9187269892066399194.bin' '-l' '-1' '-v' '-w' '/tmp/graph9187269892066399194.weights' '-q' '0' '-e' '0.001'
[2026-05-23 13:45:01] [INFO ] Decomposing Gal with order
[2026-05-23 13:45:01] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 13:45:01] [INFO ] Removed a total of 4252 redundant transitions.
[2026-05-23 13:45:01] [INFO ] Flatten gal took : 442 ms
[2026-05-23 13:45:02] [INFO ] Fuse similar labels procedure discarded/fused a total of 391 labels/synchronizations in 17 ms.
[2026-05-23 13:45:02] [INFO ] Time to serialize gal into /tmp/LTLFireability1775379357588373220.gal : 2 ms
[2026-05-23 13:45:02] [INFO ] Time to serialize properties into /tmp/LTLFireability14238528419642498943.ltl : 14 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTLFireability1775379357588373220.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability14238528419642498943.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...277
Read 5 LTL properties
Checking formula 0 : !((F(G("(i1.u2.SUR_PONT_A<1)"))))
Formula 0 simplified : GF!"(i1.u2.SUR_PONT_A<1)"
Compilation finished in 6134 ms.
Running link step : cd /tmp/ltsmin4403073549737315618;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 55 ms.
Running LTSmin : cd /tmp/ltsmin4403073549737315618;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '--ltl' '<>([]((LTLAPp0==true)))' '--buchi-type=spotba'
WARNING : LTSmin timed out (>144 s) on command cd /tmp/ltsmin4403073549737315618;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '--ltl' '<>([]((LTLAPp0==true)))' '--buchi-type=spotba'
Running LTSmin : cd /tmp/ltsmin4403073549737315618;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--ltl' 'X(X([]((<>((LTLAPp1==true)) U X(X(X((LTLAPp2==true))))))))' '--buchi-type=spotba'
LTSmin run took 84 ms.
FORMULA BridgeAndVehicles-PT-V20P20N50-LTLFireability-03 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Running LTSmin : cd /tmp/ltsmin4403073549737315618;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--ltl' '(X(X(!(LTLAPp3==true))) U []((LTLAPp1==true)))' '--buchi-type=spotba'
LTSmin run took 106 ms.
FORMULA BridgeAndVehicles-PT-V20P20N50-LTLFireability-04 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Running LTSmin : cd /tmp/ltsmin4403073549737315618;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '--ltl' '[](!(LTLAPp3==true))' '--buchi-type=spotba'
Reverse transition relation is NOT exact ! Due to transitions t0, t42, t43, t45, t1627, i0.t756, i1.u2.t21, i1.u2.t44, Intersection with reachable at each...215
Computing Next relation with stutter on 40 deadlock states
WARNING : LTSmin timed out (>144 s) on command cd /tmp/ltsmin4403073549737315618;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '--ltl' '[](!(LTLAPp3==true))' '--buchi-type=spotba'
Running LTSmin : cd /tmp/ltsmin4403073549737315618;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '--ltl' '<>((LTLAPp4==true))' '--buchi-type=spotba'
WARNING : LTSmin timed out (>144 s) on command cd /tmp/ltsmin4403073549737315618;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '--ltl' '<>((LTLAPp4==true))' '--buchi-type=spotba'
Retrying LTSmin with larger timeout 5760 s
Running LTSmin : cd /tmp/ltsmin4403073549737315618;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '--ltl' '<>([]((LTLAPp0==true)))' '--buchi-type=spotba'
1 unique states visited
0 strongly connected components in search stack
0 transitions explored
1 items max in DFS search stack
133343 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,1333.45,2641196,1,0,1.88988e+06,1.04313e+06,279,1.77825e+07,933,9.85416e+06,1033288
no accepting run found
Formula 0 is TRUE no accepting run found.
FORMULA BridgeAndVehicles-PT-V20P20N50-LTLFireability-01 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Checking formula 1 : !((X(X(G((F("(i1.u2.SUR_PONT_B>=1)"))U(X(X(X("((((((((i2.u3.NB_ATTENTE_A_18>=1)&&(i2.u1.ATTENTE_A>=1))&&((i1.u2.CAPACITE>=1)&&(i0.u0.C...2144
Formula 1 simplified : XXF(G!"(i1.u2.SUR_PONT_B>=1)" R XXX!"((((((((i2.u3.NB_ATTENTE_A_18>=1)&&(i2.u1.ATTENTE_A>=1))&&((i1.u2.CAPACITE>=1)&&(i0.u0.CONTROLE...2129
Computing Next relation with stutter on 40 deadlock states
WARNING : LTSmin timed out (>1152 s) on command cd /tmp/ltsmin4403073549737315618;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '--ltl' '<>([]((LTLAPp0==true)))' '--buchi-type=spotba'
Running LTSmin : cd /tmp/ltsmin4403073549737315618;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '--ltl' '[](!(LTLAPp3==true))' '--buchi-type=spotba'
Detected timeout of ITS tools.
[2026-05-23 14:12:40] [INFO ] Flatten gal took : 57 ms
[2026-05-23 14:12:40] [INFO ] Time to serialize gal into /tmp/LTLFireability14350481269764302848.gal : 11 ms
[2026-05-23 14:12:40] [INFO ] Time to serialize properties into /tmp/LTLFireability15128528658978527327.ltl : 8 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTLFireability14350481269764302848.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability15128528658978527327.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...299
Read 2 LTL properties
Checking formula 0 : !((G(!("(((CHOIX_1>=1)&&(COMPTEUR_50>=1))||((CHOIX_2>=1)&&(COMPTEUR_50>=1)))"))))
Formula 0 simplified : F"(((CHOIX_1>=1)&&(COMPTEUR_50>=1))||((CHOIX_2>=1)&&(COMPTEUR_50>=1)))"

BK_TIME_CONFINEMENT_REACHED

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="BridgeAndVehicles-PT-V20P20N50"
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-PT-V20P20N50, 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-177946841800220"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-PT-V20P20N50.tgz
mv BridgeAndVehicles-PT-V20P20N50 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 ;