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-177946841900268.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-V50P50N50, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r034-tall-177946841900268
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 22M
-rw-r--r-- 1 mcc users 23K Mar 5 08:38 CTLCardinality.txt
-rw-r--r-- 1 mcc users 138K Mar 5 08:38 CTLCardinality.xml
-rw-r--r-- 1 mcc users 775K Mar 5 08:38 CTLFireability.txt
-rw-r--r-- 1 mcc users 2.9M Mar 5 08:38 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 9.6K Mar 15 07:35 LTLCardinality.txt
-rw-r--r-- 1 mcc users 42K Mar 15 07:35 LTLCardinality.xml
-rw-r--r-- 1 mcc users 411K Mar 15 07:36 LTLFireability.txt
-rw-r--r-- 1 mcc users 1.2M Mar 15 07:36 LTLFireability.xml
-rw-r--r-- 1 mcc users 55K Mar 5 08:42 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 307K Mar 5 08:42 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.5M Mar 5 08:42 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 9.3M Mar 5 08:42 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 5.2K Mar 15 07:36 UpperBounds.txt
-rw-r--r-- 1 mcc users 12K Mar 15 07:36 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 4.5M 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-V50P50N50-LTLFireability-00
FORMULA_NAME BridgeAndVehicles-PT-V50P50N50-LTLFireability-01
FORMULA_NAME BridgeAndVehicles-PT-V50P50N50-LTLFireability-02
FORMULA_NAME BridgeAndVehicles-PT-V50P50N50-LTLFireability-03
FORMULA_NAME BridgeAndVehicles-PT-V50P50N50-LTLFireability-04
FORMULA_NAME BridgeAndVehicles-PT-V50P50N50-LTLFireability-05
FORMULA_NAME BridgeAndVehicles-PT-V50P50N50-LTLFireability-06
FORMULA_NAME BridgeAndVehicles-PT-V50P50N50-LTLFireability-07
FORMULA_NAME BridgeAndVehicles-PT-V50P50N50-LTLFireability-08
FORMULA_NAME BridgeAndVehicles-PT-V50P50N50-LTLFireability-09
FORMULA_NAME BridgeAndVehicles-PT-V50P50N50-LTLFireability-10
FORMULA_NAME BridgeAndVehicles-PT-V50P50N50-LTLFireability-11
FORMULA_NAME BridgeAndVehicles-PT-V50P50N50-LTLFireability-12
FORMULA_NAME BridgeAndVehicles-PT-V50P50N50-LTLFireability-13
FORMULA_NAME BridgeAndVehicles-PT-V50P50N50-LTLFireability-14
FORMULA_NAME BridgeAndVehicles-PT-V50P50N50-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779559315108

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-V50P50N50
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-23 18:01:56] [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 18:01:56] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 18:01:56] [INFO ] Load time of PNML (sax parser for PT used): 417 ms
[2026-05-23 18:01:56] [INFO ] Transformed 168 places.
[2026-05-23 18:01:56] [INFO ] Transformed 5408 transitions.
[2026-05-23 18:01:56] [INFO ] Parsed PT model containing 168 places and 5408 transitions and 42330 arcs in 596 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 143 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
FORMULA BridgeAndVehicles-PT-V50P50N50-LTLFireability-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-PT-V50P50N50-LTLFireability-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-PT-V50P50N50-LTLFireability-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-PT-V50P50N50-LTLFireability-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 165 out of 168 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 168/168 places, 5408/5408 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 166 transition count 5408
Applied a total of 2 rules in 70 ms. Remains 166 /168 variables (removed 2) and now considering 5408/5408 (removed 0) transitions.
Running 5405 sub problems to find dead transitions.
[2026-05-23 18:01:58] [INFO ] Flow matrix only has 410 transitions (discarded 4998 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4879767530644134533.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8949620980042748420.kers'
[2026-05-23 18:01:59] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4879767530644134533.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8949620980042748420.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 410 rows 166 cols 1928 entries
Finished phase 1 with 161 SingleSign rule and 0 generalized
[2026-05-23 18:01:59] [INFO ] Computed 5 invariants in 1 ms
Computed 5 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-8949620980042748420.kers
Total runtime 5 ms.
[2026-05-23 18:01:59] [INFO ] State equation strengthened by 102 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
At refinement iteration 0 (INCLUDED_ONLY) 0/166 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 5405 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 166/576 variables, and 5 constraints, problems are : Problem set: 0 solved, 5405 unsolved in 20141 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/166 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 5405/202 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5405 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/166 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 5405 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 166/576 variables, and 6 constraints, problems are : Problem set: 0 solved, 5405 unsolved in 20081 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/166 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 5203/202 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 45629ms problems are : Problem set: 0 solved, 5405 unsolved
Search for dead transitions found 0 dead transitions in 45699ms
[2026-05-23 18:02:44] [INFO ] Flow matrix only has 410 transitions (discarded 4998 similar events)
[2026-05-23 18:02:44] [INFO ] Invariant cache hit.
[2026-05-23 18:02:44] [INFO ] Implicit Places using invariants in 64 ms returned []
[2026-05-23 18:02:44] [INFO ] Flow matrix only has 410 transitions (discarded 4998 similar events)
[2026-05-23 18:02:44] [INFO ] Invariant cache hit.
[2026-05-23 18:02:44] [INFO ] State equation strengthened by 102 read => feed constraints.
[2026-05-23 18:02:45] [INFO ] Implicit Places using invariants and state equation in 321 ms returned []
Implicit Place search using SMT with State Equation took 391 ms to find 0 implicit places.
Skipped dead transition search.
Starting structural reductions in LTL mode, iteration 1 : 166/168 places, 5408/5408 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 46284 ms. Remains : 166/168 places, 5408/5408 transitions.
Starting structural reductions in LTL mode, iteration 0 : 166/166 places, 5408/5408 transitions.
Applied a total of 0 rules in 26 ms. Remains 166 /166 variables (removed 0) and now considering 5408/5408 (removed 0) transitions.
Skipped dead transition search.
[2026-05-23 18:02:45] [INFO ] Flow matrix only has 410 transitions (discarded 4998 similar events)
[2026-05-23 18:02:45] [INFO ] Invariant cache hit.
[2026-05-23 18:02:45] [INFO ] Implicit Places using invariants in 50 ms returned []
[2026-05-23 18:02:45] [INFO ] Flow matrix only has 410 transitions (discarded 4998 similar events)
[2026-05-23 18:02:45] [INFO ] Invariant cache hit.
[2026-05-23 18:02:45] [INFO ] State equation strengthened by 102 read => feed constraints.
[2026-05-23 18:02:45] [INFO ] Implicit Places using invariants and state equation in 315 ms returned []
Implicit Place search using SMT with State Equation took 368 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 398 ms. Remains : 166/166 places, 5408/5408 transitions.
Support contains 165 out of 166 places after structural reductions.
[2026-05-23 18:02:46] [INFO ] Flatten gal took : 380 ms
[2026-05-23 18:02:46] [INFO ] Flatten gal took : 255 ms
[2026-05-23 18:02:47] [INFO ] Input system was already deterministic with 5408 transitions.
RANDOM walk for 40000 steps (92 resets) in 6329 ms. (6 steps per ms) remains 8/24 properties
BEST_FIRST walk for 40001 steps (29 resets) in 265 ms. (150 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (40 resets) in 312 ms. (127 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (32 resets) in 285 ms. (139 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (28 resets) in 267 ms. (149 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (28 resets) in 365 ms. (109 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40001 steps (32 resets) in 307 ms. (129 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (28 resets) in 368 ms. (108 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40001 steps (32 resets) in 345 ms. (115 steps per ms) remains 8/8 properties
[2026-05-23 18:02:50] [INFO ] Flow matrix only has 410 transitions (discarded 4998 similar events)
[2026-05-23 18:02:50] [INFO ] Invariant cache hit.
[2026-05-23 18:02:50] [INFO ] State equation strengthened by 102 read => feed constraints.
Problem AtomicPropp0 is UNSAT
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 7 unsolved
Problem AtomicPropp11 is UNSAT
At refinement iteration 1 (OVERLAPS) 139/163 variables, 5/5 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/163 variables, 0/5 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 410/573 variables, 163/168 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/573 variables, 102/270 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/573 variables, 0/270 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 3/576 variables, 3/273 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/576 variables, 0/273 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 0/576 variables, 0/273 constraints. Problems are: Problem set: 2 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 576/576 variables, and 273 constraints, problems are : Problem set: 2 solved, 6 unsolved in 1467 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 166/166 constraints, ReadFeed: 102/102 constraints, PredecessorRefiner: 8/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 142/163 variables, 5/5 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/163 variables, 1/6 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/163 variables, 0/6 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 4 (OVERLAPS) 410/573 variables, 163/169 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/573 variables, 102/271 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/573 variables, 0/271 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 3/576 variables, 3/274 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/576 variables, 0/274 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 9 (OVERLAPS) 0/576 variables, 0/274 constraints. Problems are: Problem set: 2 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 576/576 variables, and 274 constraints, problems are : Problem set: 2 solved, 6 unsolved in 5010 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 166/166 constraints, ReadFeed: 102/102 constraints, PredecessorRefiner: 6/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6519ms problems are : Problem set: 2 solved, 6 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 21 out of 166 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 166/166 places, 5408/5408 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 165 transition count 5407
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 165 transition count 5407
Applied a total of 2 rules in 1056 ms. Remains 165 /166 variables (removed 1) and now considering 5407/5408 (removed 1) transitions.
Running 5404 sub problems to find dead transitions.
[2026-05-23 18:02:57] [INFO ] Flow matrix only has 409 transitions (discarded 4998 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10405458985322307230.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17182160027270167258.kers'
[2026-05-23 18:02:57] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10405458985322307230.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17182160027270167258.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 409 rows 164 cols 1825 entries
Finished phase 1 with 160 SingleSign rule and 0 generalized
[2026-05-23 18:02:57] [INFO ] Computed 5 invariants in 4 ms
Computed 5 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-17182160027270167258.kers
Total runtime 5 ms.
[2026-05-23 18:02:57] [INFO ] State equation strengthened by 102 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/165 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 5404 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 165/574 variables, and 5 constraints, problems are : Problem set: 0 solved, 5404 unsolved in 20083 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/165 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 5404/201 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5404 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/165 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 5404 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 165/574 variables, and 6 constraints, problems are : Problem set: 0 solved, 5404 unsolved in 20075 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/165 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 5203/201 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 45169ms problems are : Problem set: 0 solved, 5404 unsolved
Search for dead transitions found 0 dead transitions in 45191ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46264 ms. Remains : 165/166 places, 5407/5408 transitions.
RANDOM walk for 40000 steps (92 resets) in 641 ms. (62 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (32 resets) in 294 ms. (135 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40000 steps (28 resets) in 286 ms. (139 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (28 resets) in 287 ms. (138 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (32 resets) in 260 ms. (153 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (30 resets) in 315 ms. (126 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40001 steps (33 resets) in 309 ms. (129 steps per ms) remains 6/6 properties
Interrupted probabilistic random walk after 103038 steps, run timeout after 3001 ms. (steps per millisecond=34 ) properties seen :0 out of 6
Probabilistic random walk after 103038 steps, saw 28003 distinct states, run finished after 3005 ms. (steps per millisecond=34 ) properties seen :0
[2026-05-23 18:03:46] [INFO ] Flow matrix only has 409 transitions (discarded 4998 similar events)
[2026-05-23 18:03:46] [INFO ] Invariant cache hit.
[2026-05-23 18:03:46] [INFO ] State equation strengthened by 102 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 141/162 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/162 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 409/571 variables, 162/167 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/571 variables, 102/269 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/571 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 3/574 variables, 3/272 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/574 variables, 0/272 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 0/574 variables, 0/272 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 574/574 variables, and 272 constraints, problems are : Problem set: 0 solved, 6 unsolved in 997 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 165/165 constraints, ReadFeed: 102/102 constraints, PredecessorRefiner: 6/0 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) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 141/162 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/162 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 409/571 variables, 162/167 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/571 variables, 102/269 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/571 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 3/574 variables, 3/272 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/574 variables, 0/272 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 0/574 variables, 0/272 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 574/574 variables, and 272 constraints, problems are : Problem set: 0 solved, 6 unsolved in 6283 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 165/165 constraints, ReadFeed: 102/102 constraints, PredecessorRefiner: 6/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7301ms problems are : Problem set: 0 solved, 6 unsolved
Parikh walk visited 0 properties in 2834 ms.
Support contains 21 out of 165 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 165/165 places, 5407/5407 transitions.
Applied a total of 0 rules in 803 ms. Remains 165 /165 variables (removed 0) and now considering 5407/5407 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 804 ms. Remains : 165/165 places, 5407/5407 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 165/165 places, 5407/5407 transitions.
Applied a total of 0 rules in 956 ms. Remains 165 /165 variables (removed 0) and now considering 5407/5407 (removed 0) transitions.
[2026-05-23 18:03:58] [INFO ] Flow matrix only has 409 transitions (discarded 4998 similar events)
[2026-05-23 18:03:58] [INFO ] Invariant cache hit.
[2026-05-23 18:03:59] [INFO ] Implicit Places using invariants in 579 ms returned []
[2026-05-23 18:03:59] [INFO ] Flow matrix only has 409 transitions (discarded 4998 similar events)
[2026-05-23 18:03:59] [INFO ] Invariant cache hit.
[2026-05-23 18:03:59] [INFO ] State equation strengthened by 102 read => feed constraints.
[2026-05-23 18:04:01] [INFO ] Implicit Places using invariants and state equation in 2036 ms returned [108]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 2633 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 164/165 places, 5407/5407 transitions.
Applied a total of 0 rules in 786 ms. Remains 164 /164 variables (removed 0) and now considering 5407/5407 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 4376 ms. Remains : 164/165 places, 5407/5407 transitions.
RANDOM walk for 40000 steps (92 resets) in 809 ms. (49 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (32 resets) in 226 ms. (176 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (28 resets) in 205 ms. (194 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (28 resets) in 196 ms. (203 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (32 resets) in 211 ms. (188 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (29 resets) in 202 ms. (197 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (32 resets) in 220 ms. (181 steps per ms) remains 6/6 properties
Interrupted probabilistic random walk after 105858 steps, run timeout after 3001 ms. (steps per millisecond=35 ) properties seen :0 out of 6
Probabilistic random walk after 105858 steps, saw 28793 distinct states, run finished after 3001 ms. (steps per millisecond=35 ) properties seen :0
[2026-05-23 18:04:05] [INFO ] Flow matrix only has 409 transitions (discarded 4998 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17726807210671514478.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8245996556223495290.kers'
[2026-05-23 18:04:05] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17726807210671514478.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8245996556223495290.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 1 ms.
// Phase 1: matrix 409 rows 163 cols 1724 entries
Finished phase 1 with 159 SingleSign rule and 0 generalized
[2026-05-23 18:04:05] [INFO ] Computed 5 invariants in 5 ms
Computed 5 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-8245996556223495290.kers
Total runtime 6 ms.
[2026-05-23 18:04:05] [INFO ] State equation strengthened by 102 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 141/162 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/162 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 409/571 variables, 162/167 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/571 variables, 102/269 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/571 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 2/573 variables, 2/271 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/573 variables, 0/271 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 0/573 variables, 0/271 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 573/573 variables, and 271 constraints, problems are : Problem set: 0 solved, 6 unsolved in 2335 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 164/164 constraints, ReadFeed: 102/102 constraints, PredecessorRefiner: 6/0 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) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 141/162 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/162 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 409/571 variables, 162/167 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/571 variables, 102/269 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/571 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 2/573 variables, 2/271 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/573 variables, 0/271 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 0/573 variables, 0/271 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 573/573 variables, and 271 constraints, problems are : Problem set: 0 solved, 6 unsolved in 10632 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 164/164 constraints, ReadFeed: 102/102 constraints, PredecessorRefiner: 6/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 12998ms problems are : Problem set: 0 solved, 6 unsolved
Parikh walk visited 0 properties in 2617 ms.
Support contains 21 out of 164 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 164/164 places, 5407/5407 transitions.
Applied a total of 0 rules in 801 ms. Remains 164 /164 variables (removed 0) and now considering 5407/5407 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 801 ms. Remains : 164/164 places, 5407/5407 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 164/164 places, 5407/5407 transitions.
Applied a total of 0 rules in 785 ms. Remains 164 /164 variables (removed 0) and now considering 5407/5407 (removed 0) transitions.
[2026-05-23 18:04:23] [INFO ] Flow matrix only has 409 transitions (discarded 4998 similar events)
[2026-05-23 18:04:23] [INFO ] Invariant cache hit.
[2026-05-23 18:04:23] [INFO ] Implicit Places using invariants in 524 ms returned []
[2026-05-23 18:04:23] [INFO ] Flow matrix only has 409 transitions (discarded 4998 similar events)
[2026-05-23 18:04:23] [INFO ] Invariant cache hit.
[2026-05-23 18:04:23] [INFO ] State equation strengthened by 102 read => feed constraints.
[2026-05-23 18:04:25] [INFO ] Implicit Places using invariants and state equation in 1871 ms returned []
Implicit Place search using SMT with State Equation took 2400 ms to find 0 implicit places.
[2026-05-23 18:04:25] [INFO ] Redundant transitions in 509 ms returned []
Running 5404 sub problems to find dead transitions.
[2026-05-23 18:04:25] [INFO ] Flow matrix only has 409 transitions (discarded 4998 similar events)
[2026-05-23 18:04:25] [INFO ] Invariant cache hit.
[2026-05-23 18:04:25] [INFO ] State equation strengthened by 102 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/164 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 5404 unsolved
SMT process timed out in 35681ms, After SMT, problems are : Problem set: 0 solved, 5404 unsolved
Search for dead transitions found 0 dead transitions in 35699ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39423 ms. Remains : 164/164 places, 5407/5407 transitions.
FORMULA BridgeAndVehicles-PT-V50P50N50-LTLFireability-02 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA BridgeAndVehicles-PT-V50P50N50-LTLFireability-00 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 2 atomic propositions for a total of 10 simplifications.
Computed a total of 109 stabilizing places and 204 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(p0)))'
Support contains 103 out of 166 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 166/166 places, 5408/5408 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 165 transition count 5407
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 165 transition count 5407
Applied a total of 2 rules in 37 ms. Remains 165 /166 variables (removed 1) and now considering 5407/5408 (removed 1) transitions.
Running 5404 sub problems to find dead transitions.
[2026-05-23 18:05:02] [INFO ] Flow matrix only has 409 transitions (discarded 4998 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-967485299808478888.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11211640862603671272.kers'
[2026-05-23 18:05:02] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-967485299808478888.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11211640862603671272.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 1 ms.
// Phase 1: matrix 409 rows 164 cols 1825 entries
Finished phase 1 with 160 SingleSign rule and 0 generalized
[2026-05-23 18:05:02] [INFO ] Computed 5 invariants in 4 ms
Computed 5 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-11211640862603671272.kers
Total runtime 5 ms.
[2026-05-23 18:05:02] [INFO ] State equation strengthened by 102 read => feed constraints.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/165 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 5404 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 165/574 variables, and 5 constraints, problems are : Problem set: 0 solved, 5404 unsolved in 20077 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/165 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 5404/201 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5404 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/165 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 5404 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 165/574 variables, and 6 constraints, problems are : Problem set: 0 solved, 5404 unsolved in 20112 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/165 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 5203/201 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 45327ms problems are : Problem set: 0 solved, 5404 unsolved
Search for dead transitions found 0 dead transitions in 45341ms
[2026-05-23 18:05:47] [INFO ] Flow matrix only has 409 transitions (discarded 4998 similar events)
[2026-05-23 18:05:47] [INFO ] Invariant cache hit.
[2026-05-23 18:05:47] [INFO ] Implicit Places using invariants in 291 ms returned []
[2026-05-23 18:05:47] [INFO ] Flow matrix only has 409 transitions (discarded 4998 similar events)
[2026-05-23 18:05:47] [INFO ] Invariant cache hit.
[2026-05-23 18:05:47] [INFO ] State equation strengthened by 102 read => feed constraints.
[2026-05-23 18:05:49] [INFO ] Implicit Places using invariants and state equation in 1305 ms returned [52, 108]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 1608 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 163/166 places, 5407/5408 transitions.
Applied a total of 0 rules in 21 ms. Remains 163 /163 variables (removed 0) and now considering 5407/5407 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 47022 ms. Remains : 163/166 places, 5407/5408 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Stuttering acceptance computed with spot in 203 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V50P50N50-LTLFireability-01
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 3 ms.
FORMULA BridgeAndVehicles-PT-V50P50N50-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V50P50N50-LTLFireability-01 finished in 47374 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 53 out of 166 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 166/166 places, 5408/5408 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 6 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 165 transition count 5407
Applied a total of 2 rules in 1334 ms. Remains 165 /166 variables (removed 1) and now considering 5407/5408 (removed 1) transitions.
Skipped dead transition search.
[2026-05-23 18:05:50] [INFO ] Flow matrix only has 409 transitions (discarded 4998 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6229204435164722608.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14746717296812718237.kers'
[2026-05-23 18:05:50] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6229204435164722608.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14746717296812718237.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 409 rows 164 cols 1775 entries
Finished phase 1 with 160 SingleSign rule and 0 generalized
[2026-05-23 18:05:50] [INFO ] Computed 5 invariants in 2 ms
Computed 5 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-14746717296812718237.kers
Total runtime 4 ms.
[2026-05-23 18:05:51] [INFO ] Implicit Places using invariants in 730 ms returned []
[2026-05-23 18:05:51] [INFO ] Flow matrix only has 409 transitions (discarded 4998 similar events)
[2026-05-23 18:05:51] [INFO ] Invariant cache hit.
[2026-05-23 18:05:51] [INFO ] State equation strengthened by 102 read => feed constraints.
[2026-05-23 18:05:53] [INFO ] Implicit Places using invariants and state equation in 2015 ms returned [52, 108]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 2757 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 163/166 places, 5407/5408 transitions.
Applied a total of 0 rules in 909 ms. Remains 163 /163 variables (removed 0) and now considering 5407/5407 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 5001 ms. Remains : 163/166 places, 5407/5408 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 51 ms :[(NOT p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V50P50N50-LTLFireability-03
Stuttering criterion allowed to conclude after 355 steps with 0 reset in 25 ms.
FORMULA BridgeAndVehicles-PT-V50P50N50-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V50P50N50-LTLFireability-03 finished in 5130 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 55 out of 166 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 166/166 places, 5408/5408 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 165 transition count 5407
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 165 transition count 5407
Applied a total of 2 rules in 1522 ms. Remains 165 /166 variables (removed 1) and now considering 5407/5408 (removed 1) transitions.
Skipped dead transition search.
[2026-05-23 18:05:56] [INFO ] Flow matrix only has 409 transitions (discarded 4998 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6194332373604066131.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5140039345326106489.kers'
[2026-05-23 18:05:56] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6194332373604066131.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5140039345326106489.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 409 rows 164 cols 1825 entries
Finished phase 1 with 160 SingleSign rule and 0 generalized
[2026-05-23 18:05:56] [INFO ] Computed 5 invariants in 1 ms
Computed 5 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-5140039345326106489.kers
Total runtime 3 ms.
[2026-05-23 18:05:56] [INFO ] Implicit Places using invariants in 684 ms returned []
[2026-05-23 18:05:56] [INFO ] Flow matrix only has 409 transitions (discarded 4998 similar events)
[2026-05-23 18:05:56] [INFO ] Invariant cache hit.
[2026-05-23 18:05:56] [INFO ] State equation strengthened by 102 read => feed constraints.
[2026-05-23 18:05:58] [INFO ] Implicit Places using invariants and state equation in 2132 ms returned [52, 108]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 2827 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 163/166 places, 5407/5408 transitions.
Applied a total of 0 rules in 1421 ms. Remains 163 /163 variables (removed 0) and now considering 5407/5407 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 5770 ms. Remains : 163/166 places, 5407/5408 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Stuttering acceptance computed with spot in 80 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V50P50N50-LTLFireability-05
Stuttering criterion allowed to conclude after 421 steps with 1 reset in 19 ms.
FORMULA BridgeAndVehicles-PT-V50P50N50-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V50P50N50-LTLFireability-05 finished in 5930 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((X((F(p1)&&X(p2)))||p0)))'
Support contains 108 out of 166 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 166/166 places, 5408/5408 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 165 transition count 5407
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 165 transition count 5407
Applied a total of 2 rules in 41 ms. Remains 165 /166 variables (removed 1) and now considering 5407/5408 (removed 1) transitions.
Skipped dead transition search.
[2026-05-23 18:06:00] [INFO ] Flow matrix only has 409 transitions (discarded 4998 similar events)
[2026-05-23 18:06:00] [INFO ] Invariant cache hit.
[2026-05-23 18:06:00] [INFO ] Implicit Places using invariants in 351 ms returned []
[2026-05-23 18:06:00] [INFO ] Flow matrix only has 409 transitions (discarded 4998 similar events)
[2026-05-23 18:06:00] [INFO ] Invariant cache hit.
[2026-05-23 18:06:00] [INFO ] State equation strengthened by 102 read => feed constraints.
[2026-05-23 18:06:02] [INFO ] Implicit Places using invariants and state equation in 1128 ms returned []
Implicit Place search using SMT with State Equation took 1481 ms to find 0 implicit places.
Skipped dead transition search.
Starting structural reductions in LTL mode, iteration 1 : 165/166 places, 5407/5408 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1522 ms. Remains : 165/166 places, 5407/5408 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((X((F(p1)&&X(p2)))||p0)))'
Stuttering acceptance computed with spot in 192 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (NOT p2) (NOT p1)), (NOT p1), (NOT p2), true]
Running random walk in product with property : BridgeAndVehicles-PT-V50P50N50-LTLFireability-07
Entered a terminal (fully accepting) state of product in 6 steps with 1 reset in 0 ms.
FORMULA BridgeAndVehicles-PT-V50P50N50-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V50P50N50-LTLFireability-07 finished in 1766 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||X((X((G(p0)||G(!p1))) U (p0&&X((G(p0)||G(!p1)))))))))'
Support contains 3 out of 166 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 166/166 places, 5408/5408 transitions.
Applied a total of 0 rules in 29 ms. Remains 166 /166 variables (removed 0) and now considering 5408/5408 (removed 0) transitions.
Running 5405 sub problems to find dead transitions.
[2026-05-23 18:06:02] [INFO ] Flow matrix only has 410 transitions (discarded 4998 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6891943410180962988.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17406420153521308610.kers'
[2026-05-23 18:06:02] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6891943410180962988.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17406420153521308610.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 410 rows 166 cols 1928 entries
Finished phase 1 with 161 SingleSign rule and 0 generalized
[2026-05-23 18:06:02] [INFO ] Computed 5 invariants in 5 ms
Computed 5 P flows in 6 ms.
Exported basis to /tmp/petrispot-output-17406420153521308610.kers
Total runtime 6 ms.
[2026-05-23 18:06:02] [INFO ] State equation strengthened by 102 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/166 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 5405 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 166/576 variables, and 5 constraints, problems are : Problem set: 0 solved, 5405 unsolved in 20072 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/166 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 5405/202 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5405 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/166 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 5405 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 166/576 variables, and 6 constraints, problems are : Problem set: 0 solved, 5405 unsolved in 20091 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/166 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 5203/202 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 45417ms problems are : Problem set: 0 solved, 5405 unsolved
Search for dead transitions found 0 dead transitions in 45432ms
[2026-05-23 18:06:47] [INFO ] Flow matrix only has 410 transitions (discarded 4998 similar events)
[2026-05-23 18:06:47] [INFO ] Invariant cache hit.
[2026-05-23 18:06:48] [INFO ] Implicit Places using invariants in 792 ms returned []
[2026-05-23 18:06:48] [INFO ] Flow matrix only has 410 transitions (discarded 4998 similar events)
[2026-05-23 18:06:48] [INFO ] Invariant cache hit.
[2026-05-23 18:06:48] [INFO ] State equation strengthened by 102 read => feed constraints.
[2026-05-23 18:06:51] [INFO ] Implicit Places using invariants and state equation in 2646 ms returned [52, 108]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 3447 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 164/166 places, 5408/5408 transitions.
Applied a total of 0 rules in 28 ms. Remains 164 /164 variables (removed 0) and now considering 5408/5408 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 48953 ms. Remains : 164/166 places, 5408/5408 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||X((X((G(p0)||G(!p1))) U (p0&&X((G(p0)||G(!p1)))))))))'
Stuttering acceptance computed with spot in 262 ms :[(NOT p0), (NOT p0), (NOT p0), (AND p1 (NOT p0)), true, (NOT p0), p1]
Running random walk in product with property : BridgeAndVehicles-PT-V50P50N50-LTLFireability-08
Entered a terminal (fully accepting) state of product in 182 steps with 0 reset in 4 ms.
FORMULA BridgeAndVehicles-PT-V50P50N50-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V50P50N50-LTLFireability-08 finished in 49273 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 166 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 166/166 places, 5408/5408 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 165 transition count 5407
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 165 transition count 5407
Applied a total of 2 rules in 49 ms. Remains 165 /166 variables (removed 1) and now considering 5407/5408 (removed 1) transitions.
Running 5404 sub problems to find dead transitions.
[2026-05-23 18:06:51] [INFO ] Flow matrix only has 409 transitions (discarded 4998 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15990834626598215878.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8934718759461491905.kers'
[2026-05-23 18:06:51] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15990834626598215878.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8934718759461491905.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 1 ms.
// Phase 1: matrix 409 rows 164 cols 1825 entries
Finished phase 1 with 160 SingleSign rule and 0 generalized
[2026-05-23 18:06:51] [INFO ] Computed 5 invariants in 4 ms
Computed 5 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-8934718759461491905.kers
Total runtime 6 ms.
[2026-05-23 18:06:51] [INFO ] State equation strengthened by 102 read => feed constraints.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/165 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 5404 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 165/574 variables, and 5 constraints, problems are : Problem set: 0 solved, 5404 unsolved in 20086 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/165 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 5404/201 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5404 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/165 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 5404 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 165/574 variables, and 6 constraints, problems are : Problem set: 0 solved, 5404 unsolved in 20077 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/165 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 5203/201 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 45362ms problems are : Problem set: 0 solved, 5404 unsolved
Search for dead transitions found 0 dead transitions in 45375ms
[2026-05-23 18:07:36] [INFO ] Flow matrix only has 409 transitions (discarded 4998 similar events)
[2026-05-23 18:07:36] [INFO ] Invariant cache hit.
[2026-05-23 18:07:37] [INFO ] Implicit Places using invariants in 700 ms returned []
[2026-05-23 18:07:37] [INFO ] Flow matrix only has 409 transitions (discarded 4998 similar events)
[2026-05-23 18:07:37] [INFO ] Invariant cache hit.
[2026-05-23 18:07:37] [INFO ] State equation strengthened by 102 read => feed constraints.
[2026-05-23 18:07:41] [INFO ] Implicit Places using invariants and state equation in 3732 ms returned [52, 108]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 4442 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 163/166 places, 5407/5408 transitions.
Applied a total of 0 rules in 25 ms. Remains 163 /163 variables (removed 0) and now considering 5407/5407 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 49906 ms. Remains : 163/166 places, 5407/5408 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 131 ms :[true, (OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1)), (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V50P50N50-LTLFireability-09
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA BridgeAndVehicles-PT-V50P50N50-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V50P50N50-LTLFireability-09 finished in 50084 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 p1)&&X(X(p2))))))'
Support contains 12 out of 166 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 166/166 places, 5408/5408 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 165 transition count 5407
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 165 transition count 5407
Applied a total of 2 rules in 44 ms. Remains 165 /166 variables (removed 1) and now considering 5407/5408 (removed 1) transitions.
Skipped dead transition search.
[2026-05-23 18:07:41] [INFO ] Flow matrix only has 409 transitions (discarded 4998 similar events)
[2026-05-23 18:07:41] [INFO ] Invariant cache hit.
[2026-05-23 18:07:42] [INFO ] Implicit Places using invariants in 638 ms returned []
[2026-05-23 18:07:42] [INFO ] Flow matrix only has 409 transitions (discarded 4998 similar events)
[2026-05-23 18:07:42] [INFO ] Invariant cache hit.
[2026-05-23 18:07:42] [INFO ] State equation strengthened by 102 read => feed constraints.
[2026-05-23 18:07:44] [INFO ] Implicit Places using invariants and state equation in 2063 ms returned [108]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 2709 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 164/166 places, 5407/5408 transitions.
Applied a total of 0 rules in 26 ms. Remains 164 /164 variables (removed 0) and now considering 5407/5407 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 2780 ms. Remains : 164/166 places, 5407/5408 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 p1)&&X(X(p2))))))'
Stuttering acceptance computed with spot in 261 ms :[(OR (NOT p1) (NOT p2)), (OR (NOT p1) (NOT p2)), (OR (NOT p1) (NOT p2)), true, (NOT p1), (NOT p2), (NOT p2)]
Running random walk in product with property : BridgeAndVehicles-PT-V50P50N50-LTLFireability-11
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 1 ms.
FORMULA BridgeAndVehicles-PT-V50P50N50-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V50P50N50-LTLFireability-11 finished in 3090 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0)||X(p1)||(!p2&&F(p3)))))'
Support contains 8 out of 166 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 166/166 places, 5408/5408 transitions.
Applied a total of 0 rules in 30 ms. Remains 166 /166 variables (removed 0) and now considering 5408/5408 (removed 0) transitions.
Running 5405 sub problems to find dead transitions.
[2026-05-23 18:07:44] [INFO ] Flow matrix only has 410 transitions (discarded 4998 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10118926175938923273.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14972151571367508423.kers'
[2026-05-23 18:07:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10118926175938923273.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14972151571367508423.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 410 rows 166 cols 1928 entries
Finished phase 1 with 161 SingleSign rule and 0 generalized
[2026-05-23 18:07:44] [INFO ] Computed 5 invariants in 3 ms
Computed 5 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-14972151571367508423.kers
Total runtime 4 ms.
[2026-05-23 18:07:44] [INFO ] State equation strengthened by 102 read => feed constraints.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/166 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 5405 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 166/576 variables, and 5 constraints, problems are : Problem set: 0 solved, 5405 unsolved in 20076 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/166 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 5405/202 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5405 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/166 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 5405 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 166/576 variables, and 6 constraints, problems are : Problem set: 0 solved, 5405 unsolved in 20102 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/166 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 5203/202 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 45067ms problems are : Problem set: 0 solved, 5405 unsolved
Search for dead transitions found 0 dead transitions in 45081ms
[2026-05-23 18:08:29] [INFO ] Flow matrix only has 410 transitions (discarded 4998 similar events)
[2026-05-23 18:08:29] [INFO ] Invariant cache hit.
[2026-05-23 18:08:30] [INFO ] Implicit Places using invariants in 764 ms returned []
[2026-05-23 18:08:30] [INFO ] Flow matrix only has 410 transitions (discarded 4998 similar events)
[2026-05-23 18:08:30] [INFO ] Invariant cache hit.
[2026-05-23 18:08:30] [INFO ] State equation strengthened by 102 read => feed constraints.
[2026-05-23 18:08:32] [INFO ] Implicit Places using invariants and state equation in 2393 ms returned [108]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 3186 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 165/166 places, 5408/5408 transitions.
Applied a total of 0 rules in 26 ms. Remains 165 /165 variables (removed 0) and now considering 5408/5408 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 48338 ms. Remains : 165/166 places, 5408/5408 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0)||X(p1)||(p2&&F(p3)))))'
Stuttering acceptance computed with spot in 227 ms :[(OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p3) (NOT p1)), (NOT p0), (AND (NOT p0) (NOT p3))]
Running random walk in product with property : BridgeAndVehicles-PT-V50P50N50-LTLFireability-12
Product exploration explored 100000 steps with 50000 reset in 2021 ms.
Product exploration explored 100000 steps with 50000 reset in 1874 ms.
Computed a total of 108 stabilizing places and 204 stable transitions
Computed a total of 108 stabilizing places and 204 stable transitions
Detected a total of 108/165 stabilizing places and 204/5408 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/4 atomic propositions.
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 12 factoid took 21 ms. Proved property starting from automaton with 6 states, 7 edges and 4 AP (stutter sensitive
Knowledge-based reduction took 99 ms.
FORMULA BridgeAndVehicles-PT-V50P50N50-LTLFireability-12 TRUE TECHNIQUES KNOWLEDGE
Treatment of property BridgeAndVehicles-PT-V50P50N50-LTLFireability-12 finished in 52618 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 (G(!p0)||(!p0&&X(X(p1))&&F((!p2&&X((!p2 U (!p0||G(!p2)))))))))))'
Support contains 9 out of 166 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 166/166 places, 5408/5408 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 165 transition count 5407
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 165 transition count 5407
Applied a total of 2 rules in 76 ms. Remains 165 /166 variables (removed 1) and now considering 5407/5408 (removed 1) transitions.
Running 5404 sub problems to find dead transitions.
[2026-05-23 18:08:37] [INFO ] Flow matrix only has 409 transitions (discarded 4998 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4937618517694690800.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8544142524833224289.kers'
[2026-05-23 18:08:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4937618517694690800.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8544142524833224289.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 1 ms.
// Phase 1: matrix 409 rows 164 cols 1825 entries
Finished phase 1 with 160 SingleSign rule and 0 generalized
[2026-05-23 18:08:37] [INFO ] Computed 5 invariants in 5 ms
Computed 5 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-8544142524833224289.kers
Total runtime 6 ms.
[2026-05-23 18:08:37] [INFO ] State equation strengthened by 102 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/165 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 5404 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 165/574 variables, and 5 constraints, problems are : Problem set: 0 solved, 5404 unsolved in 20066 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/165 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 5404/201 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5404 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/165 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 5404 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 165/574 variables, and 6 constraints, problems are : Problem set: 0 solved, 5404 unsolved in 20086 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/165 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 5203/201 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 45073ms problems are : Problem set: 0 solved, 5404 unsolved
Search for dead transitions found 0 dead transitions in 45099ms
[2026-05-23 18:09:22] [INFO ] Flow matrix only has 409 transitions (discarded 4998 similar events)
[2026-05-23 18:09:22] [INFO ] Invariant cache hit.
[2026-05-23 18:09:23] [INFO ] Implicit Places using invariants in 591 ms returned []
[2026-05-23 18:09:23] [INFO ] Flow matrix only has 409 transitions (discarded 4998 similar events)
[2026-05-23 18:09:23] [INFO ] Invariant cache hit.
[2026-05-23 18:09:23] [INFO ] State equation strengthened by 102 read => feed constraints.
[2026-05-23 18:09:26] [INFO ] Implicit Places using invariants and state equation in 3335 ms returned [108]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 3935 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 164/166 places, 5407/5408 transitions.
Applied a total of 0 rules in 27 ms. Remains 164 /164 variables (removed 0) and now considering 5407/5407 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 49153 ms. Remains : 164/166 places, 5407/5408 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 (G(!p0)||(!p0&&X(X(p1))&&F((!p2&&X((!p2 U (!p0||G(!p2)))))))))))'
Stuttering acceptance computed with spot in 369 ms :[p0, (AND p0 (NOT p1)), (AND p0 p2), (AND p0 p2), (AND p0 (NOT p1)), (AND p0 p2 (NOT p1)), (AND p0 (NOT p1)), (AND p0 p2 (NOT p1))]
Running random walk in product with property : BridgeAndVehicles-PT-V50P50N50-LTLFireability-14
Product exploration explored 100000 steps with 39932 reset in 1862 ms.
Product exploration explored 100000 steps with 39971 reset in 1920 ms.
Computed a total of 107 stabilizing places and 203 stable transitions
Computed a total of 107 stabilizing places and 203 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 22 factoid took 15 ms. Proved property starting from automaton with 8 states, 26 edges and 3 AP (stutter sensitive
Knowledge-based reduction took 43 ms.
FORMULA BridgeAndVehicles-PT-V50P50N50-LTLFireability-14 TRUE TECHNIQUES KNOWLEDGE
Treatment of property BridgeAndVehicles-PT-V50P50N50-LTLFireability-14 finished in 53410 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)||(G(p1)&&F(p2)))))))'
Support contains 9 out of 166 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 166/166 places, 5408/5408 transitions.
Applied a total of 0 rules in 37 ms. Remains 166 /166 variables (removed 0) and now considering 5408/5408 (removed 0) transitions.
Running 5405 sub problems to find dead transitions.
[2026-05-23 18:09:30] [INFO ] Flow matrix only has 410 transitions (discarded 4998 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6955356273474406251.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1593731984105948454.kers'
[2026-05-23 18:09:30] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6955356273474406251.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1593731984105948454.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 410 rows 166 cols 1928 entries
Finished phase 1 with 161 SingleSign rule and 0 generalized
[2026-05-23 18:09:30] [INFO ] Computed 5 invariants in 4 ms
Computed 5 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-1593731984105948454.kers
Total runtime 6 ms.
[2026-05-23 18:09:30] [INFO ] State equation strengthened by 102 read => feed constraints.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/166 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 5405 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 166/576 variables, and 5 constraints, problems are : Problem set: 0 solved, 5405 unsolved in 20080 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/166 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 5405/202 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5405 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/166 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 5405 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 166/576 variables, and 6 constraints, problems are : Problem set: 0 solved, 5405 unsolved in 20086 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/166 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 5203/202 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 45403ms problems are : Problem set: 0 solved, 5405 unsolved
Search for dead transitions found 0 dead transitions in 45418ms
[2026-05-23 18:10:16] [INFO ] Flow matrix only has 410 transitions (discarded 4998 similar events)
[2026-05-23 18:10:16] [INFO ] Invariant cache hit.
[2026-05-23 18:10:16] [INFO ] Implicit Places using invariants in 514 ms returned []
[2026-05-23 18:10:16] [INFO ] Flow matrix only has 410 transitions (discarded 4998 similar events)
[2026-05-23 18:10:16] [INFO ] Invariant cache hit.
[2026-05-23 18:10:16] [INFO ] State equation strengthened by 102 read => feed constraints.
[2026-05-23 18:10:20] [INFO ] Implicit Places using invariants and state equation in 3978 ms returned [52, 108]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 4504 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 164/166 places, 5408/5408 transitions.
Applied a total of 0 rules in 27 ms. Remains 164 /164 variables (removed 0) and now considering 5408/5408 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 50011 ms. Remains : 164/166 places, 5408/5408 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)||(G(p1)&&F(p2)))))))'
Stuttering acceptance computed with spot in 227 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : BridgeAndVehicles-PT-V50P50N50-LTLFireability-15
Stuttering criterion allowed to conclude after 405 steps with 0 reset in 9 ms.
FORMULA BridgeAndVehicles-PT-V50P50N50-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V50P50N50-LTLFireability-15 finished in 50306 ms.
All properties solved by simple procedures.
Total runtime 504751 ms.

BK_STOP 1779559821088

--------------------
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-V50P50N50"
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-V50P50N50, 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-177946841900268"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-PT-V50P50N50.tgz
mv BridgeAndVehicles-PT-V50P50N50 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 ;