About the Execution of ITS-Tools for FlexibleBarrier-PT-18b
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 1375.308 | 490368.00 | 642646.00 | 1721.40 | TTFFFTFFFFFFFFFF | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2026-input.r130-smll-177955809100427.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is FlexibleBarrier-PT-18b, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r130-smll-177955809100427
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.6M
-rw-r--r-- 1 mcc users 6.3K Mar 7 06:45 CTLCardinality.txt
-rw-r--r-- 1 mcc users 59K Mar 7 06:45 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.7K Mar 7 06:45 CTLFireability.txt
-rw-r--r-- 1 mcc users 63K Mar 7 06:45 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 10:14 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 10:14 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 10:15 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 10:15 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.3K Mar 7 06:45 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 80K Mar 7 06:45 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.4K Mar 7 06:45 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 59K Mar 7 06:45 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:15 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:15 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 1.2M 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 FlexibleBarrier-PT-18b-LTLCardinality-00
FORMULA_NAME FlexibleBarrier-PT-18b-LTLCardinality-01
FORMULA_NAME FlexibleBarrier-PT-18b-LTLCardinality-02
FORMULA_NAME FlexibleBarrier-PT-18b-LTLCardinality-03
FORMULA_NAME FlexibleBarrier-PT-18b-LTLCardinality-04
FORMULA_NAME FlexibleBarrier-PT-18b-LTLCardinality-05
FORMULA_NAME FlexibleBarrier-PT-18b-LTLCardinality-06
FORMULA_NAME FlexibleBarrier-PT-18b-LTLCardinality-07
FORMULA_NAME FlexibleBarrier-PT-18b-LTLCardinality-08
FORMULA_NAME FlexibleBarrier-PT-18b-LTLCardinality-09
FORMULA_NAME FlexibleBarrier-PT-18b-LTLCardinality-10
FORMULA_NAME FlexibleBarrier-PT-18b-LTLCardinality-11
FORMULA_NAME FlexibleBarrier-PT-18b-LTLCardinality-12
FORMULA_NAME FlexibleBarrier-PT-18b-LTLCardinality-13
FORMULA_NAME FlexibleBarrier-PT-18b-LTLCardinality-14
FORMULA_NAME FlexibleBarrier-PT-18b-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1779919909050
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FlexibleBarrier-PT-18b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202604301425
[2026-05-27 22:11:51] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-27 22:11:51] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-27 22:11:52] [INFO ] Load time of PNML (sax parser for PT used): 614 ms
[2026-05-27 22:11:52] [INFO ] Transformed 4370 places.
[2026-05-27 22:11:52] [INFO ] Transformed 5037 transitions.
[2026-05-27 22:11:52] [INFO ] Found NUPN structural information;
[2026-05-27 22:11:52] [INFO ] Parsed PT model containing 4370 places and 5037 transitions and 12657 arcs in 914 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 18 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA FlexibleBarrier-PT-18b-LTLCardinality-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-18b-LTLCardinality-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-18b-LTLCardinality-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-18b-LTLCardinality-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-18b-LTLCardinality-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-18b-LTLCardinality-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-18b-LTLCardinality-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-18b-LTLCardinality-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-18b-LTLCardinality-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-18b-LTLCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 16 out of 4370 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 4370/4370 places, 5037/5037 transitions.
Discarding 1820 places :
Symmetric choice reduction at 0 with 1820 rule applications. Total rules 1820 place count 2550 transition count 3217
Iterating global reduction 0 with 1820 rules applied. Total rules applied 3640 place count 2550 transition count 3217
Discarding 864 places :
Symmetric choice reduction at 0 with 864 rule applications. Total rules 4504 place count 1686 transition count 2353
Iterating global reduction 0 with 864 rules applied. Total rules applied 5368 place count 1686 transition count 2353
Discarding 564 places :
Symmetric choice reduction at 0 with 564 rule applications. Total rules 5932 place count 1122 transition count 1789
Iterating global reduction 0 with 564 rules applied. Total rules applied 6496 place count 1122 transition count 1789
Ensure Unique test removed 277 transitions
Reduce isomorphic transitions removed 277 transitions.
Iterating post reduction 0 with 277 rules applied. Total rules applied 6773 place count 1122 transition count 1512
Applied a total of 6773 rules in 1740 ms. Remains 1122 /4370 variables (removed 3248) and now considering 1512/5037 (removed 3525) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15609992943528227880.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14744177485785460437.kers'
[2026-05-27 22:11:54] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15609992943528227880.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14744177485785460437.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 1512 rows 1122 cols 4499 entries
Finished phase 1 with 1102 SingleSign rule and 0 generalized
[2026-05-27 22:11:54] [INFO ] Computed 20 invariants in 16 ms
Computed 20 P flows in 18 ms.
Exported basis to /tmp/petrispot-output-14744177485785460437.kers
Total runtime 21 ms.
[2026-05-27 22:11:57] [INFO ] Implicit Places using invariants in 2343 ms returned []
[2026-05-27 22:11:57] [INFO ] Invariant cache hit.
[2026-05-27 22:12:00] [INFO ] Implicit Places using invariants and state equation in 3321 ms returned []
Implicit Place search using SMT with State Equation took 5736 ms to find 0 implicit places.
Running 1511 sub problems to find dead transitions.
[2026-05-27 22:12:00] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1121/2634 variables, and 0 constraints, problems are : Problem set: 0 solved, 1511 unsolved in 30103 ms.
Refiners :[Positive P Invariants (semi-flows): 0/20 constraints, State Equation: 0/1122 constraints, PredecessorRefiner: 1511/1511 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1511 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1121/2634 variables, and 0 constraints, problems are : Problem set: 0 solved, 1511 unsolved in 30073 ms.
Refiners :[Positive P Invariants (semi-flows): 0/20 constraints, State Equation: 0/1122 constraints, PredecessorRefiner: 0/1511 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61735ms problems are : Problem set: 0 solved, 1511 unsolved
Search for dead transitions found 0 dead transitions in 61790ms
Starting structural reductions in LTL mode, iteration 1 : 1122/4370 places, 1512/5037 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 69361 ms. Remains : 1122/4370 places, 1512/5037 transitions.
Starting structural reductions in LTL mode, iteration 0 : 1122/1122 places, 1512/1512 transitions.
Applied a total of 0 rules in 758 ms. Remains 1122 /1122 variables (removed 0) and now considering 1512/1512 (removed 0) transitions.
[2026-05-27 22:13:02] [INFO ] Invariant cache hit.
[2026-05-27 22:13:04] [INFO ] Implicit Places using invariants in 1304 ms returned []
[2026-05-27 22:13:04] [INFO ] Invariant cache hit.
[2026-05-27 22:13:07] [INFO ] Implicit Places using invariants and state equation in 2876 ms returned []
Implicit Place search using SMT with State Equation took 4190 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 4949 ms. Remains : 1122/1122 places, 1512/1512 transitions.
Support contains 16 out of 1122 places after structural reductions.
[2026-05-27 22:13:07] [INFO ] Flatten gal took : 293 ms
[2026-05-27 22:13:07] [INFO ] Flatten gal took : 143 ms
[2026-05-27 22:13:08] [INFO ] Input system was already deterministic with 1512 transitions.
RANDOM walk for 40000 steps (319 resets) in 2401 ms. (16 steps per ms) remains 8/10 properties
BEST_FIRST walk for 40004 steps (28 resets) in 209 ms. (190 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (27 resets) in 149 ms. (266 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (28 resets) in 152 ms. (261 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (26 resets) in 101 ms. (392 steps per ms) remains 7/8 properties
BEST_FIRST walk for 40004 steps (27 resets) in 100 ms. (396 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (27 resets) in 93 ms. (425 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (26 resets) in 87 ms. (454 steps per ms) remains 7/7 properties
[2026-05-27 22:13:09] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 534/544 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/544 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 578/1122 variables, 14/20 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1122 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 1512/2634 variables, 1122/1142 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2634 variables, 0/1142 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (OVERLAPS) 0/2634 variables, 0/1142 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2634/2634 variables, and 1142 constraints, problems are : Problem set: 0 solved, 7 unsolved in 2302 ms.
Refiners :[Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 1122/1122 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 534/544 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/544 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/544 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (OVERLAPS) 578/1122 variables, 14/21 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1122 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1122/2634 variables, and 23 constraints, problems are : Problem set: 0 solved, 7 unsolved in 5009 ms.
Refiners :[Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 0/1122 constraints, PredecessorRefiner: 0/7 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7331ms problems are : Problem set: 0 solved, 7 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 10 out of 1122 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1122/1122 places, 1512/1512 transitions.
Graph (trivial) has 1052 edges and 1122 vertex of which 109 / 1122 are part of one of the 18 SCC in 19 ms
Free SCC test removed 91 places
Drop transitions (Empty/Sink Transition effects.) removed 110 transitions
Reduce isomorphic transitions removed 110 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 85 transitions
Trivial Post-agglo rules discarded 85 transitions
Performed 85 trivial Post agglomeration. Transition count delta: 85
Iterating post reduction 0 with 85 rules applied. Total rules applied 86 place count 1031 transition count 1317
Reduce places removed 85 places and 0 transitions.
Iterating post reduction 1 with 85 rules applied. Total rules applied 171 place count 946 transition count 1317
Performed 40 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 40 Pre rules applied. Total rules applied 171 place count 946 transition count 1277
Deduced a syphon composed of 40 places in 2 ms
Reduce places removed 40 places and 0 transitions.
Iterating global reduction 2 with 80 rules applied. Total rules applied 251 place count 906 transition count 1277
Discarding 41 places :
Symmetric choice reduction at 2 with 41 rule applications. Total rules 292 place count 865 transition count 1236
Iterating global reduction 2 with 41 rules applied. Total rules applied 333 place count 865 transition count 1236
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 334 place count 865 transition count 1235
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 339 place count 860 transition count 1230
Iterating global reduction 3 with 5 rules applied. Total rules applied 344 place count 860 transition count 1230
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 346 place count 860 transition count 1228
Performed 113 Post agglomeration using F-continuation condition.Transition count delta: 113
Deduced a syphon composed of 113 places in 0 ms
Reduce places removed 113 places and 0 transitions.
Iterating global reduction 4 with 226 rules applied. Total rules applied 572 place count 747 transition count 1115
Drop transitions (Empty/Sink Transition effects.) removed 36 transitions
Reduce isomorphic transitions removed 36 transitions.
Iterating post reduction 4 with 36 rules applied. Total rules applied 608 place count 747 transition count 1079
Discarding 20 places :
Symmetric choice reduction at 5 with 20 rule applications. Total rules 628 place count 727 transition count 1059
Iterating global reduction 5 with 20 rules applied. Total rules applied 648 place count 727 transition count 1059
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 650 place count 727 transition count 1057
Free-agglomeration rule applied 620 times.
Iterating global reduction 6 with 620 rules applied. Total rules applied 1270 place count 727 transition count 437
Reduce places removed 620 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 286 transitions
Reduce isomorphic transitions removed 286 transitions.
Graph (complete) has 298 edges and 107 vertex of which 82 are kept as prefixes of interest. Removing 25 places using SCC suffix rule.1 ms
Discarding 25 places :
Also discarding 0 output transitions
Iterating post reduction 6 with 907 rules applied. Total rules applied 2177 place count 82 transition count 151
Drop transitions (Empty/Sink Transition effects.) removed 35 transitions
Reduce isomorphic transitions removed 35 transitions.
Iterating post reduction 7 with 35 rules applied. Total rules applied 2212 place count 82 transition count 116
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 8 with 1 rules applied. Total rules applied 2213 place count 81 transition count 115
Reduce places removed 1 places and 0 transitions.
Graph (trivial) has 65 edges and 80 vertex of which 26 / 80 are part of one of the 13 SCC in 1 ms
Free SCC test removed 13 places
Iterating post reduction 8 with 2 rules applied. Total rules applied 2215 place count 67 transition count 115
Drop transitions (Empty/Sink Transition effects.) removed 26 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 9 with 26 rules applied. Total rules applied 2241 place count 67 transition count 89
Performed 13 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 10 with 13 Pre rules applied. Total rules applied 2241 place count 67 transition count 76
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 10 with 26 rules applied. Total rules applied 2267 place count 54 transition count 76
Drop transitions (Empty/Sink Transition effects.) removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 10 with 13 rules applied. Total rules applied 2280 place count 54 transition count 63
Performed 13 Post agglomeration using F-continuation condition.Transition count delta: 13
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 11 with 26 rules applied. Total rules applied 2306 place count 41 transition count 50
Free-agglomeration rule applied 13 times.
Iterating global reduction 11 with 13 rules applied. Total rules applied 2319 place count 41 transition count 37
Reduce places removed 21 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 11 with 34 rules applied. Total rules applied 2353 place count 20 transition count 24
Free-agglomeration rule applied 2 times.
Iterating global reduction 12 with 2 rules applied. Total rules applied 2355 place count 20 transition count 22
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 12 with 2 rules applied. Total rules applied 2357 place count 18 transition count 22
Applied a total of 2357 rules in 742 ms. Remains 18 /1122 variables (removed 1104) and now considering 22/1512 (removed 1490) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 742 ms. Remains : 18/1122 places, 22/1512 transitions.
RANDOM walk for 140 steps (0 resets) in 4 ms. (28 steps per ms) remains 0/7 properties
FORMULA FlexibleBarrier-PT-18b-LTLCardinality-03 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 20 stabilizing places and 20 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)||X(X(X(X(p1)))))))'
Support contains 4 out of 1122 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1122/1122 places, 1512/1512 transitions.
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 12 place count 1110 transition count 1500
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 1110 transition count 1500
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 25 place count 1110 transition count 1499
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 35 place count 1100 transition count 1489
Iterating global reduction 1 with 10 rules applied. Total rules applied 45 place count 1100 transition count 1489
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 1 with 5 rules applied. Total rules applied 50 place count 1100 transition count 1484
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 54 place count 1096 transition count 1480
Iterating global reduction 2 with 4 rules applied. Total rules applied 58 place count 1096 transition count 1480
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 61 place count 1096 transition count 1477
Applied a total of 61 rules in 324 ms. Remains 1096 /1122 variables (removed 26) and now considering 1477/1512 (removed 35) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4510971482813656523.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12691986933695677813.kers'
[2026-05-27 22:13:18] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4510971482813656523.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12691986933695677813.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 1477 rows 1096 cols 4393 entries
Finished phase 1 with 1076 SingleSign rule and 0 generalized
[2026-05-27 22:13:18] [INFO ] Computed 20 invariants in 8 ms
Computed 20 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-12691986933695677813.kers
Total runtime 11 ms.
[2026-05-27 22:13:20] [INFO ] Implicit Places using invariants in 2474 ms returned []
[2026-05-27 22:13:20] [INFO ] Invariant cache hit.
[2026-05-27 22:13:24] [INFO ] Implicit Places using invariants and state equation in 3792 ms returned []
Implicit Place search using SMT with State Equation took 6289 ms to find 0 implicit places.
Running 1476 sub problems to find dead transitions.
[2026-05-27 22:13:24] [INFO ] Invariant cache hit.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1095/2573 variables, and 0 constraints, problems are : Problem set: 0 solved, 1476 unsolved in 30053 ms.
Refiners :[Positive P Invariants (semi-flows): 0/20 constraints, State Equation: 0/1096 constraints, PredecessorRefiner: 1476/1476 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1476 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1095/2573 variables, and 0 constraints, problems are : Problem set: 0 solved, 1476 unsolved in 30064 ms.
Refiners :[Positive P Invariants (semi-flows): 0/20 constraints, State Equation: 0/1096 constraints, PredecessorRefiner: 0/1476 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61137ms problems are : Problem set: 0 solved, 1476 unsolved
Search for dead transitions found 0 dead transitions in 61146ms
Starting structural reductions in LTL mode, iteration 1 : 1096/1122 places, 1477/1512 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 67813 ms. Remains : 1096/1122 places, 1477/1512 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)||X(X(X(X(p1)))))))'
Stuttering acceptance computed with spot in 875 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p1) (NOT p0)), (NOT p1), (AND (NOT p1) (NOT p0)), (NOT p1), true, (NOT p0), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : FlexibleBarrier-PT-18b-LTLCardinality-01
Product exploration explored 100000 steps with 16666 reset in 737 ms.
Product exploration explored 100000 steps with 16666 reset in 453 ms.
Computed a total of 20 stabilizing places and 20 stable transitions
Computed a total of 20 stabilizing places and 20 stable transitions
Knowledge based reduction with 3 factoid took 75 ms. Reduced automaton from 12 states, 18 edges and 2 AP (stutter sensitive) to 10 states, 14 edges and 2 AP (stutter sensitive).
RANDOM walk for 40000 steps (320 resets) in 420 ms. (95 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (28 resets) in 203 ms. (196 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (27 resets) in 162 ms. (245 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (27 resets) in 99 ms. (400 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (28 resets) in 111 ms. (357 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 162152 steps, run timeout after 3001 ms. (steps per millisecond=54 ) properties seen :0 out of 4
Probabilistic random walk after 162152 steps, saw 75469 distinct states, run finished after 3009 ms. (steps per millisecond=53 ) properties seen :0
[2026-05-27 22:14:31] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 390/394 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/394 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 702/1096 variables, 17/20 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1096 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 1477/2573 variables, 1096/1116 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2573 variables, 0/1116 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/2573 variables, 0/1116 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2573/2573 variables, and 1116 constraints, problems are : Problem set: 0 solved, 4 unsolved in 1609 ms.
Refiners :[Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 1096/1096 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 390/394 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/394 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 702/1096 variables, 17/20 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1096 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 1477/2573 variables, 1096/1116 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2573 variables, 4/1120 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2573 variables, 0/1120 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 0/2573 variables, 0/1120 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2573/2573 variables, and 1120 constraints, problems are : Problem set: 0 solved, 4 unsolved in 3133 ms.
Refiners :[Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 1096/1096 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4760ms problems are : Problem set: 0 solved, 4 unsolved
Fused 4 Parikh solutions to 2 different solutions.
Finished Parikh walk after 11540 steps, including 78 resets, run visited all 4 properties in 112 ms. (steps per millisecond=103 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 4 properties in 123 ms.
Knowledge based reduction with 3 factoid took 150 ms. Reduced automaton from 10 states, 14 edges and 2 AP (stutter sensitive) to 10 states, 14 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 489 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1)), (NOT p1), true, (AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Knowledge-based reduction took 9048 ms.
Stuttering acceptance computed with spot in 484 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1)), (NOT p1), true, (AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Support contains 4 out of 1096 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1096/1096 places, 1477/1477 transitions.
Applied a total of 0 rules in 71 ms. Remains 1096 /1096 variables (removed 0) and now considering 1477/1477 (removed 0) transitions.
[2026-05-27 22:14:37] [INFO ] Invariant cache hit.
[2026-05-27 22:14:40] [INFO ] Implicit Places using invariants in 3042 ms returned []
[2026-05-27 22:14:40] [INFO ] Invariant cache hit.
[2026-05-27 22:14:44] [INFO ] Implicit Places using invariants and state equation in 4429 ms returned []
Implicit Place search using SMT with State Equation took 7476 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 7549 ms. Remains : 1096/1096 places, 1477/1477 transitions.
Computed a total of 20 stabilizing places and 20 stable transitions
Computed a total of 20 stabilizing places and 20 stable transitions
Knowledge based reduction with 1 factoid took 66 ms. Reduced automaton from 10 states, 14 edges and 2 AP (stutter sensitive) to 10 states, 14 edges and 2 AP (stutter sensitive).
RANDOM walk for 40000 steps (320 resets) in 509 ms. (78 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (26 resets) in 100 ms. (396 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (28 resets) in 74 ms. (533 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (27 resets) in 73 ms. (540 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (29 resets) in 76 ms. (519 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 171600 steps, run timeout after 3001 ms. (steps per millisecond=57 ) properties seen :0 out of 4
Probabilistic random walk after 171600 steps, saw 77809 distinct states, run finished after 3001 ms. (steps per millisecond=57 ) properties seen :0
[2026-05-27 22:14:48] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 390/394 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/394 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 702/1096 variables, 17/20 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1096 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 1477/2573 variables, 1096/1116 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2573 variables, 0/1116 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/2573 variables, 0/1116 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2573/2573 variables, and 1116 constraints, problems are : Problem set: 0 solved, 4 unsolved in 1565 ms.
Refiners :[Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 1096/1096 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 390/394 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/394 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 702/1096 variables, 17/20 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1096 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 1477/2573 variables, 1096/1116 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2573 variables, 4/1120 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2573 variables, 0/1120 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 0/2573 variables, 0/1120 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2573/2573 variables, and 1120 constraints, problems are : Problem set: 0 solved, 4 unsolved in 2860 ms.
Refiners :[Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 1096/1096 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4462ms problems are : Problem set: 0 solved, 4 unsolved
Fused 4 Parikh solutions to 2 different solutions.
Finished Parikh walk after 584 steps, including 3 resets, run visited all 4 properties in 12 ms. (steps per millisecond=48 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 4 properties in 13 ms.
Knowledge based reduction with 1 factoid took 96 ms. Reduced automaton from 10 states, 14 edges and 2 AP (stutter sensitive) to 10 states, 14 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 377 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1)), (NOT p1), true, (AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Knowledge-based reduction took 8336 ms.
Stuttering acceptance computed with spot in 411 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1)), (NOT p1), true, (AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 400 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1)), (NOT p1), true, (AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Product exploration explored 100000 steps with 16666 reset in 317 ms.
Product exploration explored 100000 steps with 16666 reset in 510 ms.
Spot run failed in 148 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/autstates.py", line 2, in
import spot
ModuleNotFoundError: No module named 'spot'
java.io.IOException
at fr.lip6.move.gal.application.runner.spot.SpotRunner.computeForwardClosedSI(SpotRunner.java:551)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.treatPartialPOR(LTLPropertySolver.java:419)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:280)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:217)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:66)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:849)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
Built C files in :
/tmp/ltsmin8655767148379597226
[2026-05-27 22:14:55] [INFO ] Built C files in 55ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin8655767148379597226
Running compilation step : cd /tmp/ltsmin8655767148379597226;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin8655767148379597226;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin8655767148379597226;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:94)
at java.base/java.lang.Thread.run(Thread.java:1583)
Support contains 4 out of 1096 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1096/1096 places, 1477/1477 transitions.
Applied a total of 0 rules in 71 ms. Remains 1096 /1096 variables (removed 0) and now considering 1477/1477 (removed 0) transitions.
[2026-05-27 22:14:58] [INFO ] Invariant cache hit.
[2026-05-27 22:15:00] [INFO ] Implicit Places using invariants in 2755 ms returned []
[2026-05-27 22:15:00] [INFO ] Invariant cache hit.
[2026-05-27 22:15:04] [INFO ] Implicit Places using invariants and state equation in 4024 ms returned []
Implicit Place search using SMT with State Equation took 6783 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 6856 ms. Remains : 1096/1096 places, 1477/1477 transitions.
Built C files in :
/tmp/ltsmin4964537755760399836
[2026-05-27 22:15:04] [INFO ] Built C files in 38ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin4964537755760399836
Running compilation step : cd /tmp/ltsmin4964537755760399836;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin4964537755760399836;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin4964537755760399836;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:94)
at java.base/java.lang.Thread.run(Thread.java:1583)
[2026-05-27 22:15:08] [INFO ] Flatten gal took : 102 ms
[2026-05-27 22:15:08] [INFO ] Flatten gal took : 80 ms
[2026-05-27 22:15:08] [INFO ] Time to serialize gal into /tmp/LTL4308328905463183984.gal : 35 ms
[2026-05-27 22:15:08] [INFO ] Time to serialize properties into /tmp/LTL4989113171447828045.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL4308328905463183984.gal' '-t' 'CGAL' '-hoa' '/tmp/aut274283891081790599.hoa' '-atoms' '/tmp/LTL4989113171447828045.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...316
Loading property file /tmp/LTL4989113171447828045.prop.
Loaded 2 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut274283891081790599.hoa
Detected timeout of ITS tools.
[2026-05-27 22:15:23] [INFO ] Flatten gal took : 81 ms
[2026-05-27 22:15:23] [INFO ] Flatten gal took : 69 ms
[2026-05-27 22:15:23] [INFO ] Time to serialize gal into /tmp/LTL5777743273537332139.gal : 19 ms
[2026-05-27 22:15:23] [INFO ] Time to serialize properties into /tmp/LTL5896045697364264585.ltl : 9 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL5777743273537332139.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL5896045697364264585.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...275
Read 1 LTL properties
Checking formula 0 : !((X((G("((p1513==0)||(p3656==1))"))||(X(X(X(X("((p2216==0)||(p3887==1))"))))))))
Formula 0 simplified : X(F!"((p1513==0)||(p3656==1))" & XXXX!"((p2216==0)||(p3887==1))")
Detected timeout of ITS tools.
[2026-05-27 22:15:38] [INFO ] Flatten gal took : 37 ms
[2026-05-27 22:15:38] [INFO ] Applying decomposition
[2026-05-27 22:15:38] [INFO ] Flatten gal took : 36 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph14676700868888651443.txt' '-o' '/tmp/graph14676700868888651443.bin' '-w' '/tmp/graph14676700868888651443.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph14676700868888651443.bin' '-l' '-1' '-v' '-w' '/tmp/graph14676700868888651443.weights' '-q' '0' '-e' '0.001'
[2026-05-27 22:15:39] [INFO ] Decomposing Gal with order
[2026-05-27 22:15:39] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-27 22:15:40] [INFO ] Removed a total of 415 redundant transitions.
[2026-05-27 22:15:40] [INFO ] Flatten gal took : 687 ms
[2026-05-27 22:15:40] [INFO ] Fuse similar labels procedure discarded/fused a total of 19 labels/synchronizations in 42 ms.
[2026-05-27 22:15:40] [INFO ] Time to serialize gal into /tmp/LTL14737230195265835562.gal : 26 ms
[2026-05-27 22:15:40] [INFO ] Time to serialize properties into /tmp/LTL2145927247512318058.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL14737230195265835562.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL2145927247512318058.ltl' '-c' '-stutter-deadlock'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...255
Read 1 LTL properties
Checking formula 0 : !((X((G("((i11.u103.p1513==0)||(u193.p3656==1))"))||(X(X(X(X("((i16.u146.p2216==0)||(u193.p3887==1))"))))))))
Formula 0 simplified : X(F!"((i11.u103.p1513==0)||(u193.p3656==1))" & XXXX!"((i16.u146.p2216==0)||(u193.p3887==1))")
Detected timeout of ITS tools.
Treatment of property FlexibleBarrier-PT-18b-LTLCardinality-01 finished in 157662 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 2 out of 1122 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1122/1122 places, 1512/1512 transitions.
Graph (trivial) has 1063 edges and 1122 vertex of which 109 / 1122 are part of one of the 18 SCC in 3 ms
Free SCC test removed 91 places
Ensure Unique test removed 92 transitions
Reduce isomorphic transitions removed 92 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 89 transitions
Trivial Post-agglo rules discarded 89 transitions
Performed 89 trivial Post agglomeration. Transition count delta: 89
Iterating post reduction 0 with 89 rules applied. Total rules applied 90 place count 1030 transition count 1330
Reduce places removed 89 places and 0 transitions.
Iterating post reduction 1 with 89 rules applied. Total rules applied 179 place count 941 transition count 1330
Performed 41 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 41 Pre rules applied. Total rules applied 179 place count 941 transition count 1289
Deduced a syphon composed of 41 places in 1 ms
Reduce places removed 41 places and 0 transitions.
Iterating global reduction 2 with 82 rules applied. Total rules applied 261 place count 900 transition count 1289
Discarding 48 places :
Symmetric choice reduction at 2 with 48 rule applications. Total rules 309 place count 852 transition count 1241
Iterating global reduction 2 with 48 rules applied. Total rules applied 357 place count 852 transition count 1241
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 358 place count 852 transition count 1240
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 358 place count 852 transition count 1239
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 360 place count 851 transition count 1239
Discarding 8 places :
Symmetric choice reduction at 3 with 8 rule applications. Total rules 368 place count 843 transition count 1231
Iterating global reduction 3 with 8 rules applied. Total rules applied 376 place count 843 transition count 1231
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 3 with 7 rules applied. Total rules applied 383 place count 843 transition count 1224
Performed 110 Post agglomeration using F-continuation condition.Transition count delta: 110
Deduced a syphon composed of 110 places in 0 ms
Reduce places removed 110 places and 0 transitions.
Iterating global reduction 4 with 220 rules applied. Total rules applied 603 place count 733 transition count 1114
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 605 place count 731 transition count 1112
Iterating global reduction 4 with 2 rules applied. Total rules applied 607 place count 731 transition count 1112
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 609 place count 731 transition count 1110
Drop transitions (Redundant composition of simpler transitions.) removed 18 transitions
Redundant transition composition rules discarded 18 transitions
Iterating global reduction 5 with 18 rules applied. Total rules applied 627 place count 731 transition count 1092
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 629 place count 729 transition count 1090
Applied a total of 629 rules in 912 ms. Remains 729 /1122 variables (removed 393) and now considering 1090/1512 (removed 422) transitions.
[2026-05-27 22:15:56] [INFO ] Flow matrix only has 1055 transitions (discarded 35 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11538820474796110073.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2919530249043787452.kers'
[2026-05-27 22:15:56] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11538820474796110073.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2919530249043787452.kers]
Normalized transition count is 1054 out of 1055 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 1 ms.
// Phase 1: matrix 1054 rows 728 cols 3307 entries
Finished phase 1 with 709 SingleSign rule and 0 generalized
[2026-05-27 22:15:56] [INFO ] Computed 20 invariants in 14 ms
Computed 20 P flows in 15 ms.
Exported basis to /tmp/petrispot-output-2919530249043787452.kers
Total runtime 17 ms.
[2026-05-27 22:15:58] [INFO ] Implicit Places using invariants in 2021 ms returned []
[2026-05-27 22:15:58] [INFO ] Flow matrix only has 1055 transitions (discarded 35 similar events)
[2026-05-27 22:15:58] [INFO ] Invariant cache hit.
[2026-05-27 22:16:01] [INFO ] Implicit Places using invariants and state equation in 3063 ms returned []
Implicit Place search using SMT with State Equation took 5089 ms to find 0 implicit places.
[2026-05-27 22:16:01] [INFO ] Redundant transitions in 124 ms returned []
Running 456 sub problems to find dead transitions.
[2026-05-27 22:16:01] [INFO ] Flow matrix only has 1055 transitions (discarded 35 similar events)
[2026-05-27 22:16:01] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/711 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 456 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/711 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 456 unsolved
SMT process timed out in 30514ms, After SMT, problems are : Problem set: 0 solved, 456 unsolved
Search for dead transitions found 0 dead transitions in 30518ms
Starting structural reductions in SI_LTL mode, iteration 1 : 729/1122 places, 1090/1512 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 36656 ms. Remains : 729/1122 places, 1090/1512 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 100 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-18b-LTLCardinality-08
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 1 ms.
FORMULA FlexibleBarrier-PT-18b-LTLCardinality-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-18b-LTLCardinality-08 finished in 36812 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(F(p0)))))'
Support contains 1 out of 1122 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1122/1122 places, 1512/1512 transitions.
Discarding 14 places :
Symmetric choice reduction at 0 with 14 rule applications. Total rules 14 place count 1108 transition count 1498
Iterating global reduction 0 with 14 rules applied. Total rules applied 28 place count 1108 transition count 1498
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 29 place count 1108 transition count 1497
Discarding 12 places :
Symmetric choice reduction at 1 with 12 rule applications. Total rules 41 place count 1096 transition count 1485
Iterating global reduction 1 with 12 rules applied. Total rules applied 53 place count 1096 transition count 1485
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 60 place count 1096 transition count 1478
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 64 place count 1092 transition count 1474
Iterating global reduction 2 with 4 rules applied. Total rules applied 68 place count 1092 transition count 1474
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 72 place count 1092 transition count 1470
Applied a total of 72 rules in 266 ms. Remains 1092 /1122 variables (removed 30) and now considering 1470/1512 (removed 42) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4816636427910906692.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6226450251138295959.kers'
[2026-05-27 22:16:32] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4816636427910906692.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6226450251138295959.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 1470 rows 1092 cols 4367 entries
Finished phase 1 with 1072 SingleSign rule and 0 generalized
[2026-05-27 22:16:32] [INFO ] Computed 20 invariants in 15 ms
Computed 20 P flows in 16 ms.
Exported basis to /tmp/petrispot-output-6226450251138295959.kers
Total runtime 18 ms.
[2026-05-27 22:16:35] [INFO ] Implicit Places using invariants in 2835 ms returned []
[2026-05-27 22:16:35] [INFO ] Invariant cache hit.
[2026-05-27 22:16:38] [INFO ] Implicit Places using invariants and state equation in 3503 ms returned []
Implicit Place search using SMT with State Equation took 6343 ms to find 0 implicit places.
Running 1469 sub problems to find dead transitions.
[2026-05-27 22:16:38] [INFO ] Invariant cache hit.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1091/2562 variables, and 0 constraints, problems are : Problem set: 0 solved, 1469 unsolved in 30089 ms.
Refiners :[Positive P Invariants (semi-flows): 0/20 constraints, State Equation: 0/1092 constraints, PredecessorRefiner: 1469/1469 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1469 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1091/2562 variables, and 0 constraints, problems are : Problem set: 0 solved, 1469 unsolved in 30057 ms.
Refiners :[Positive P Invariants (semi-flows): 0/20 constraints, State Equation: 0/1092 constraints, PredecessorRefiner: 0/1469 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61423ms problems are : Problem set: 0 solved, 1469 unsolved
Search for dead transitions found 0 dead transitions in 61428ms
Starting structural reductions in LTL mode, iteration 1 : 1092/1122 places, 1470/1512 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 68044 ms. Remains : 1092/1122 places, 1470/1512 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(F(p0)))))'
Stuttering acceptance computed with spot in 217 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-18b-LTLCardinality-09
Stuttering criterion allowed to conclude after 123 steps with 0 reset in 3 ms.
FORMULA FlexibleBarrier-PT-18b-LTLCardinality-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-18b-LTLCardinality-09 finished in 68313 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Support contains 4 out of 1122 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1122/1122 places, 1512/1512 transitions.
Graph (trivial) has 1061 edges and 1122 vertex of which 109 / 1122 are part of one of the 18 SCC in 4 ms
Free SCC test removed 91 places
Ensure Unique test removed 92 transitions
Reduce isomorphic transitions removed 92 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 89 transitions
Trivial Post-agglo rules discarded 89 transitions
Performed 89 trivial Post agglomeration. Transition count delta: 89
Iterating post reduction 0 with 89 rules applied. Total rules applied 90 place count 1030 transition count 1330
Reduce places removed 89 places and 0 transitions.
Iterating post reduction 1 with 89 rules applied. Total rules applied 179 place count 941 transition count 1330
Performed 41 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 41 Pre rules applied. Total rules applied 179 place count 941 transition count 1289
Deduced a syphon composed of 41 places in 1 ms
Reduce places removed 41 places and 0 transitions.
Iterating global reduction 2 with 82 rules applied. Total rules applied 261 place count 900 transition count 1289
Discarding 46 places :
Symmetric choice reduction at 2 with 46 rule applications. Total rules 307 place count 854 transition count 1243
Iterating global reduction 2 with 46 rules applied. Total rules applied 353 place count 854 transition count 1243
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 354 place count 854 transition count 1242
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 354 place count 854 transition count 1241
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 356 place count 853 transition count 1241
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 362 place count 847 transition count 1235
Iterating global reduction 3 with 6 rules applied. Total rules applied 368 place count 847 transition count 1235
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 3 with 5 rules applied. Total rules applied 373 place count 847 transition count 1230
Performed 110 Post agglomeration using F-continuation condition.Transition count delta: 110
Deduced a syphon composed of 110 places in 0 ms
Reduce places removed 110 places and 0 transitions.
Iterating global reduction 4 with 220 rules applied. Total rules applied 593 place count 737 transition count 1120
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 595 place count 735 transition count 1118
Iterating global reduction 4 with 2 rules applied. Total rules applied 597 place count 735 transition count 1118
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 599 place count 735 transition count 1116
Drop transitions (Redundant composition of simpler transitions.) removed 18 transitions
Redundant transition composition rules discarded 18 transitions
Iterating global reduction 5 with 18 rules applied. Total rules applied 617 place count 735 transition count 1098
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 619 place count 733 transition count 1096
Applied a total of 619 rules in 647 ms. Remains 733 /1122 variables (removed 389) and now considering 1096/1512 (removed 416) transitions.
[2026-05-27 22:17:41] [INFO ] Flow matrix only has 1061 transitions (discarded 35 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9396968523686431200.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11819382560177121602.kers'
[2026-05-27 22:17:41] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9396968523686431200.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11819382560177121602.kers]
Normalized transition count is 1060 out of 1061 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 1 ms.
// Phase 1: matrix 1060 rows 732 cols 3327 entries
Finished phase 1 with 713 SingleSign rule and 0 generalized
[2026-05-27 22:17:41] [INFO ] Computed 20 invariants in 9 ms
Computed 20 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-11819382560177121602.kers
Total runtime 12 ms.
[2026-05-27 22:17:43] [INFO ] Implicit Places using invariants in 2269 ms returned []
[2026-05-27 22:17:43] [INFO ] Flow matrix only has 1061 transitions (discarded 35 similar events)
[2026-05-27 22:17:43] [INFO ] Invariant cache hit.
[2026-05-27 22:17:46] [INFO ] Implicit Places using invariants and state equation in 2838 ms returned []
Implicit Place search using SMT with State Equation took 5109 ms to find 0 implicit places.
[2026-05-27 22:17:46] [INFO ] Redundant transitions in 20 ms returned []
Running 460 sub problems to find dead transitions.
[2026-05-27 22:17:46] [INFO ] Flow matrix only has 1061 transitions (discarded 35 similar events)
[2026-05-27 22:17:46] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/715 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 460 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 715/1794 variables, and 2 constraints, problems are : Problem set: 0 solved, 460 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 2/20 constraints, State Equation: 0/733 constraints, PredecessorRefiner: 460/460 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 460 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/715 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 460 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/715 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 460 unsolved
At refinement iteration 2 (OVERLAPS) 18/733 variables, 18/20 constraints. Problems are: Problem set: 0 solved, 460 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 733/1794 variables, and 20 constraints, problems are : Problem set: 0 solved, 460 unsolved in 30039 ms.
Refiners :[Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 0/733 constraints, PredecessorRefiner: 0/460 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60260ms problems are : Problem set: 0 solved, 460 unsolved
Search for dead transitions found 0 dead transitions in 60262ms
Starting structural reductions in SI_LTL mode, iteration 1 : 733/1122 places, 1096/1512 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 66053 ms. Remains : 733/1122 places, 1096/1512 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Stuttering acceptance computed with spot in 196 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : FlexibleBarrier-PT-18b-LTLCardinality-12
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-18b-LTLCardinality-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-18b-LTLCardinality-12 finished in 66304 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 2 out of 1122 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1122/1122 places, 1512/1512 transitions.
Graph (trivial) has 1064 edges and 1122 vertex of which 109 / 1122 are part of one of the 18 SCC in 2 ms
Free SCC test removed 91 places
Ensure Unique test removed 92 transitions
Reduce isomorphic transitions removed 92 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 90 transitions
Trivial Post-agglo rules discarded 90 transitions
Performed 90 trivial Post agglomeration. Transition count delta: 90
Iterating post reduction 0 with 90 rules applied. Total rules applied 91 place count 1030 transition count 1329
Reduce places removed 90 places and 0 transitions.
Iterating post reduction 1 with 90 rules applied. Total rules applied 181 place count 940 transition count 1329
Performed 42 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 42 Pre rules applied. Total rules applied 181 place count 940 transition count 1287
Deduced a syphon composed of 42 places in 2 ms
Reduce places removed 42 places and 0 transitions.
Iterating global reduction 2 with 84 rules applied. Total rules applied 265 place count 898 transition count 1287
Discarding 48 places :
Symmetric choice reduction at 2 with 48 rule applications. Total rules 313 place count 850 transition count 1239
Iterating global reduction 2 with 48 rules applied. Total rules applied 361 place count 850 transition count 1239
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 361 place count 850 transition count 1238
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 363 place count 849 transition count 1238
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 371 place count 841 transition count 1230
Iterating global reduction 2 with 8 rules applied. Total rules applied 379 place count 841 transition count 1230
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 387 place count 841 transition count 1222
Performed 110 Post agglomeration using F-continuation condition.Transition count delta: 110
Deduced a syphon composed of 110 places in 0 ms
Reduce places removed 110 places and 0 transitions.
Iterating global reduction 3 with 220 rules applied. Total rules applied 607 place count 731 transition count 1112
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 609 place count 729 transition count 1110
Iterating global reduction 3 with 2 rules applied. Total rules applied 611 place count 729 transition count 1110
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 613 place count 729 transition count 1108
Drop transitions (Redundant composition of simpler transitions.) removed 18 transitions
Redundant transition composition rules discarded 18 transitions
Iterating global reduction 4 with 18 rules applied. Total rules applied 631 place count 729 transition count 1090
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 633 place count 727 transition count 1088
Applied a total of 633 rules in 715 ms. Remains 727 /1122 variables (removed 395) and now considering 1088/1512 (removed 424) transitions.
[2026-05-27 22:18:47] [INFO ] Flow matrix only has 1053 transitions (discarded 35 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13425266829606948092.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13003517378604763312.kers'
[2026-05-27 22:18:47] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13425266829606948092.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13003517378604763312.kers]
Normalized transition count is 1052 out of 1053 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 1052 rows 726 cols 3303 entries
Finished phase 1 with 707 SingleSign rule and 0 generalized
[2026-05-27 22:18:47] [INFO ] Computed 20 invariants in 6 ms
Computed 20 P flows in 7 ms.
Exported basis to /tmp/petrispot-output-13003517378604763312.kers
Total runtime 8 ms.
[2026-05-27 22:18:49] [INFO ] Implicit Places using invariants in 2369 ms returned []
[2026-05-27 22:18:49] [INFO ] Flow matrix only has 1053 transitions (discarded 35 similar events)
[2026-05-27 22:18:49] [INFO ] Invariant cache hit.
[2026-05-27 22:18:52] [INFO ] Implicit Places using invariants and state equation in 3108 ms returned []
Implicit Place search using SMT with State Equation took 5480 ms to find 0 implicit places.
[2026-05-27 22:18:52] [INFO ] Redundant transitions in 20 ms returned []
Running 454 sub problems to find dead transitions.
[2026-05-27 22:18:52] [INFO ] Flow matrix only has 1053 transitions (discarded 35 similar events)
[2026-05-27 22:18:52] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/709 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 454 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 709/1780 variables, and 2 constraints, problems are : Problem set: 0 solved, 454 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 2/20 constraints, State Equation: 0/727 constraints, PredecessorRefiner: 454/454 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 454 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/709 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 454 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/709 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 454 unsolved
At refinement iteration 2 (OVERLAPS) 18/727 variables, 18/20 constraints. Problems are: Problem set: 0 solved, 454 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 727/1780 variables, and 20 constraints, problems are : Problem set: 0 solved, 454 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 0/727 constraints, PredecessorRefiner: 0/454 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60492ms problems are : Problem set: 0 solved, 454 unsolved
Search for dead transitions found 0 dead transitions in 60498ms
Starting structural reductions in SI_LTL mode, iteration 1 : 727/1122 places, 1088/1512 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 66725 ms. Remains : 727/1122 places, 1088/1512 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 58 ms :[(NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-18b-LTLCardinality-14
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 1 ms.
FORMULA FlexibleBarrier-PT-18b-LTLCardinality-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-18b-LTLCardinality-14 finished in 66830 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(p0)||X(X(X(X(p1)))))))'
Spot run failed in 85 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/senseclsl.py", line 2, in
import spot, sys
ModuleNotFoundError: No module named 'spot'
Warning : SL/CL computation failed.
[2026-05-27 22:19:53] [INFO ] Flatten gal took : 59 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin16676527570386287064
[2026-05-27 22:19:53] [INFO ] Too many transitions (1512) to apply POR reductions. Disabling POR matrices.
[2026-05-27 22:19:53] [INFO ] Applying decomposition
[2026-05-27 22:19:53] [INFO ] Built C files in 45ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin16676527570386287064
Running compilation step : cd /tmp/ltsmin16676527570386287064;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '720' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
[2026-05-27 22:19:53] [INFO ] Flatten gal took : 58 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph917626716680548672.txt' '-o' '/tmp/graph917626716680548672.bin' '-w' '/tmp/graph917626716680548672.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph917626716680548672.bin' '-l' '-1' '-v' '-w' '/tmp/graph917626716680548672.weights' '-q' '0' '-e' '0.001'
[2026-05-27 22:19:54] [INFO ] Decomposing Gal with order
[2026-05-27 22:19:54] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-27 22:19:54] [INFO ] Removed a total of 433 redundant transitions.
[2026-05-27 22:19:54] [INFO ] Flatten gal took : 247 ms
[2026-05-27 22:19:54] [INFO ] Fuse similar labels procedure discarded/fused a total of 14 labels/synchronizations in 29 ms.
[2026-05-27 22:19:54] [INFO ] Time to serialize gal into /tmp/LTLCardinality1228444731428949275.gal : 18 ms
[2026-05-27 22:19:54] [INFO ] Time to serialize properties into /tmp/LTLCardinality7466810726722613320.ltl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTLCardinality1228444731428949275.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLCardinality7466810726722613320.ltl' '-c' '-stutter-deadlock'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...276
Read 1 LTL properties
Checking formula 0 : !((X((G("((i10.u108.p1513==0)||(i19.u202.p3656==1))"))||(X(X(X(X("((i14.u148.p2216==0)||(i19.u202.p3887==1))"))))))))
Formula 0 simplified : X(F!"((i10.u108.p1513==0)||(i19.u202.p3656==1))" & XXXX!"((i14.u148.p2216==0)||(i19.u202.p3887==1))")
Compilation finished in 4918 ms.
Running link step : cd /tmp/ltsmin16676527570386287064;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 156 ms.
Running LTSmin : cd /tmp/ltsmin16676527570386287064;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--ltl' 'X(([]((LTLAPp0==true))||X(X(X(X((LTLAPp1==true)))))))' '--buchi-type=spotba'
LTSmin run took 394 ms.
FORMULA FlexibleBarrier-PT-18b-LTLCardinality-01 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
ITS tools runner thread asked to quit. Dying gracefully.
Total runtime 487800 ms.
BK_STOP 1779920399418
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="FlexibleBarrier-PT-18b"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5973"
echo " Executing tool itstools"
echo " Input is FlexibleBarrier-PT-18b, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r130-smll-177955809100427"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-18b.tgz
mv FlexibleBarrier-PT-18b execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLCardinality.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;