About the Execution of ITS-Tools for FlexibleBarrier-PT-12b
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 16208.340 | 3600000.00 | 6283105.00 | 68789.00 | FFFFFT?FTTFFFFF? | 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-177955809100379.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-12b, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r130-smll-177955809100379
=====================================================================
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preparation of the directory to be used:
/home/mcc/execution
total 1016K
-rw-r--r-- 1 mcc users 7.3K Mar 7 05:52 CTLCardinality.txt
-rw-r--r-- 1 mcc users 76K Mar 7 05:52 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Mar 7 05:52 CTLFireability.txt
-rw-r--r-- 1 mcc users 54K Mar 7 05:52 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 3.7K Mar 15 10:12 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 10:12 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 10:13 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 10:13 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Mar 7 05:52 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 148K Mar 7 05:52 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.9K Mar 7 05:52 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 65K Mar 7 05:52 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:13 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:13 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
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-rw-r--r-- 1 mcc users 536K 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-12b-LTLCardinality-00
FORMULA_NAME FlexibleBarrier-PT-12b-LTLCardinality-01
FORMULA_NAME FlexibleBarrier-PT-12b-LTLCardinality-02
FORMULA_NAME FlexibleBarrier-PT-12b-LTLCardinality-03
FORMULA_NAME FlexibleBarrier-PT-12b-LTLCardinality-04
FORMULA_NAME FlexibleBarrier-PT-12b-LTLCardinality-05
FORMULA_NAME FlexibleBarrier-PT-12b-LTLCardinality-06
FORMULA_NAME FlexibleBarrier-PT-12b-LTLCardinality-07
FORMULA_NAME FlexibleBarrier-PT-12b-LTLCardinality-08
FORMULA_NAME FlexibleBarrier-PT-12b-LTLCardinality-09
FORMULA_NAME FlexibleBarrier-PT-12b-LTLCardinality-10
FORMULA_NAME FlexibleBarrier-PT-12b-LTLCardinality-11
FORMULA_NAME FlexibleBarrier-PT-12b-LTLCardinality-12
FORMULA_NAME FlexibleBarrier-PT-12b-LTLCardinality-13
FORMULA_NAME FlexibleBarrier-PT-12b-LTLCardinality-14
FORMULA_NAME FlexibleBarrier-PT-12b-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1779892630227
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-12b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202604301425
[2026-05-27 14:37:11] [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 14:37:12] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-27 14:37:12] [INFO ] Load time of PNML (sax parser for PT used): 260 ms
[2026-05-27 14:37:12] [INFO ] Transformed 1988 places.
[2026-05-27 14:37:12] [INFO ] Transformed 2289 transitions.
[2026-05-27 14:37:12] [INFO ] Found NUPN structural information;
[2026-05-27 14:37:12] [INFO ] Parsed PT model containing 1988 places and 2289 transitions and 5727 arcs in 435 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 15 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
Initial state reduction rules removed 1 formulas.
FORMULA FlexibleBarrier-PT-12b-LTLCardinality-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-12b-LTLCardinality-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-12b-LTLCardinality-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-12b-LTLCardinality-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-12b-LTLCardinality-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 30 out of 1988 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1988/1988 places, 2289/2289 transitions.
Discarding 779 places :
Symmetric choice reduction at 0 with 779 rule applications. Total rules 779 place count 1209 transition count 1510
Iterating global reduction 0 with 779 rules applied. Total rules applied 1558 place count 1209 transition count 1510
Discarding 355 places :
Symmetric choice reduction at 0 with 355 rule applications. Total rules 1913 place count 854 transition count 1155
Iterating global reduction 0 with 355 rules applied. Total rules applied 2268 place count 854 transition count 1155
Discarding 224 places :
Symmetric choice reduction at 0 with 224 rule applications. Total rules 2492 place count 630 transition count 931
Iterating global reduction 0 with 224 rules applied. Total rules applied 2716 place count 630 transition count 931
Ensure Unique test removed 105 transitions
Reduce isomorphic transitions removed 105 transitions.
Iterating post reduction 0 with 105 rules applied. Total rules applied 2821 place count 630 transition count 826
Applied a total of 2821 rules in 495 ms. Remains 630 /1988 variables (removed 1358) and now considering 826/2289 (removed 1463) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6862076692973255867.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18408914170367241295.kers'
[2026-05-27 14:37:13] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6862076692973255867.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18408914170367241295.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 826 rows 630 cols 2381 entries
Finished phase 1 with 616 SingleSign rule and 0 generalized
[2026-05-27 14:37:13] [INFO ] Computed 14 invariants in 4 ms
Computed 14 P flows in 6 ms.
Exported basis to /tmp/petrispot-output-18408914170367241295.kers
Total runtime 7 ms.
[2026-05-27 14:37:14] [INFO ] Implicit Places using invariants in 964 ms returned []
[2026-05-27 14:37:14] [INFO ] Invariant cache hit.
[2026-05-27 14:37:15] [INFO ] Implicit Places using invariants and state equation in 1369 ms returned []
Implicit Place search using SMT with State Equation took 2384 ms to find 0 implicit places.
Running 825 sub problems to find dead transitions.
[2026-05-27 14:37:15] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/629 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 825 unsolved
At refinement iteration 1 (OVERLAPS) 1/630 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 825 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 630/1456 variables, and 14 constraints, problems are : Problem set: 0 solved, 825 unsolved in 30083 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 0/630 constraints, PredecessorRefiner: 825/825 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 825 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/629 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 825 unsolved
At refinement iteration 1 (OVERLAPS) 1/630 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 825 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 630/1456 variables, and 14 constraints, problems are : Problem set: 0 solved, 825 unsolved in 30057 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 0/630 constraints, PredecessorRefiner: 0/825 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60812ms problems are : Problem set: 0 solved, 825 unsolved
Search for dead transitions found 0 dead transitions in 60842ms
Starting structural reductions in LTL mode, iteration 1 : 630/1988 places, 826/2289 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 63791 ms. Remains : 630/1988 places, 826/2289 transitions.
Starting structural reductions in LTL mode, iteration 0 : 630/630 places, 826/826 transitions.
Applied a total of 0 rules in 49 ms. Remains 630 /630 variables (removed 0) and now considering 826/826 (removed 0) transitions.
[2026-05-27 14:38:16] [INFO ] Invariant cache hit.
[2026-05-27 14:38:17] [INFO ] Implicit Places using invariants in 856 ms returned []
[2026-05-27 14:38:17] [INFO ] Invariant cache hit.
[2026-05-27 14:38:18] [INFO ] Implicit Places using invariants and state equation in 1244 ms returned []
Implicit Place search using SMT with State Equation took 2111 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 2161 ms. Remains : 630/630 places, 826/826 transitions.
Support contains 30 out of 630 places after structural reductions.
[2026-05-27 14:38:19] [INFO ] Flatten gal took : 113 ms
[2026-05-27 14:38:19] [INFO ] Flatten gal took : 73 ms
[2026-05-27 14:38:19] [INFO ] Input system was already deterministic with 826 transitions.
RANDOM walk for 40000 steps (454 resets) in 2199 ms. (18 steps per ms) remains 13/19 properties
BEST_FIRST walk for 40003 steps (49 resets) in 199 ms. (200 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (46 resets) in 133 ms. (298 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40002 steps (49 resets) in 104 ms. (380 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (48 resets) in 205 ms. (194 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (49 resets) in 143 ms. (277 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (48 resets) in 118 ms. (336 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (47 resets) in 106 ms. (373 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (46 resets) in 115 ms. (344 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (47 resets) in 104 ms. (380 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (49 resets) in 112 ms. (354 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (50 resets) in 156 ms. (254 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (49 resets) in 112 ms. (354 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (49 resets) in 112 ms. (354 steps per ms) remains 13/13 properties
[2026-05-27 14:38:20] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 449/472 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/472 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (OVERLAPS) 158/630 variables, 5/14 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/630 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (OVERLAPS) 826/1456 variables, 630/644 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1456 variables, 0/644 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 7 (OVERLAPS) 0/1456 variables, 0/644 constraints. Problems are: Problem set: 0 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1456/1456 variables, and 644 constraints, problems are : Problem set: 0 solved, 13 unsolved in 1755 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 630/630 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 13 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 449/472 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/472 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/472 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (OVERLAPS) 158/630 variables, 5/18 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/630 variables, 4/22 constraints. Problems are: Problem set: 0 solved, 13 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 630/1456 variables, and 22 constraints, problems are : Problem set: 0 solved, 13 unsolved in 5008 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 0/630 constraints, PredecessorRefiner: 0/13 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6780ms problems are : Problem set: 0 solved, 13 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 23 out of 630 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 630/630 places, 826/826 transitions.
Graph (trivial) has 563 edges and 630 vertex of which 73 / 630 are part of one of the 12 SCC in 14 ms
Free SCC test removed 61 places
Drop transitions (Empty/Sink Transition effects.) removed 74 transitions
Reduce isomorphic transitions removed 74 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 52 transitions
Trivial Post-agglo rules discarded 52 transitions
Performed 52 trivial Post agglomeration. Transition count delta: 52
Iterating post reduction 0 with 52 rules applied. Total rules applied 53 place count 569 transition count 700
Reduce places removed 52 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 53 rules applied. Total rules applied 106 place count 517 transition count 699
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 107 place count 516 transition count 699
Performed 26 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 26 Pre rules applied. Total rules applied 107 place count 516 transition count 673
Deduced a syphon composed of 26 places in 1 ms
Reduce places removed 26 places and 0 transitions.
Iterating global reduction 3 with 52 rules applied. Total rules applied 159 place count 490 transition count 673
Discarding 25 places :
Symmetric choice reduction at 3 with 25 rule applications. Total rules 184 place count 465 transition count 648
Iterating global reduction 3 with 25 rules applied. Total rules applied 209 place count 465 transition count 648
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 214 place count 460 transition count 643
Iterating global reduction 3 with 5 rules applied. Total rules applied 219 place count 460 transition count 643
Performed 76 Post agglomeration using F-continuation condition.Transition count delta: 76
Deduced a syphon composed of 76 places in 1 ms
Reduce places removed 76 places and 0 transitions.
Iterating global reduction 3 with 152 rules applied. Total rules applied 371 place count 384 transition count 567
Drop transitions (Empty/Sink Transition effects.) removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Iterating post reduction 3 with 24 rules applied. Total rules applied 395 place count 384 transition count 543
Discarding 13 places :
Symmetric choice reduction at 4 with 13 rule applications. Total rules 408 place count 371 transition count 530
Iterating global reduction 4 with 13 rules applied. Total rules applied 421 place count 371 transition count 530
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 422 place count 371 transition count 529
Free-agglomeration rule applied 279 times.
Iterating global reduction 5 with 279 rules applied. Total rules applied 701 place count 371 transition count 250
Reduce places removed 279 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 117 transitions
Reduce isomorphic transitions removed 117 transitions.
Iterating post reduction 5 with 396 rules applied. Total rules applied 1097 place count 92 transition count 133
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 6 with 1 rules applied. Total rules applied 1098 place count 92 transition count 133
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 6 with 1 rules applied. Total rules applied 1099 place count 91 transition count 132
Reduce places removed 1 places and 0 transitions.
Graph (trivial) has 58 edges and 90 vertex of which 20 / 90 are part of one of the 10 SCC in 1 ms
Free SCC test removed 10 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 6 with 3 rules applied. Total rules applied 1102 place count 80 transition count 131
Reduce places removed 1 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 7 with 21 rules applied. Total rules applied 1123 place count 79 transition count 111
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 8 with 12 Pre rules applied. Total rules applied 1123 place count 79 transition count 99
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 8 with 24 rules applied. Total rules applied 1147 place count 67 transition count 99
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 8 with 11 rules applied. Total rules applied 1158 place count 67 transition count 88
Performed 12 Post agglomeration using F-continuation condition.Transition count delta: 12
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 9 with 24 rules applied. Total rules applied 1182 place count 55 transition count 76
Free-agglomeration rule applied 10 times.
Iterating global reduction 9 with 10 rules applied. Total rules applied 1192 place count 55 transition count 66
Reduce places removed 14 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 9 with 24 rules applied. Total rules applied 1216 place count 41 transition count 56
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 10 with 1 rules applied. Total rules applied 1217 place count 41 transition count 55
Reduce places removed 1 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 2 rules applied. Total rules applied 1219 place count 40 transition count 54
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 11 with 1 rules applied. Total rules applied 1220 place count 40 transition count 54
Applied a total of 1220 rules in 568 ms. Remains 40 /630 variables (removed 590) and now considering 54/826 (removed 772) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 568 ms. Remains : 40/630 places, 54/826 transitions.
RANDOM walk for 40000 steps (8 resets) in 545 ms. (73 steps per ms) remains 1/13 properties
BEST_FIRST walk for 92 steps (0 resets) in 5 ms. (15 steps per ms) remains 0/1 properties
FORMULA FlexibleBarrier-PT-12b-LTLCardinality-13 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 15 stabilizing places and 15 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' '!(F(G((p0 U p1))))'
Support contains 4 out of 630 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 630/630 places, 826/826 transitions.
Graph (trivial) has 588 edges and 630 vertex of which 73 / 630 are part of one of the 12 SCC in 3 ms
Free SCC test removed 61 places
Ensure Unique test removed 62 transitions
Reduce isomorphic transitions removed 62 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 60 transitions
Trivial Post-agglo rules discarded 60 transitions
Performed 60 trivial Post agglomeration. Transition count delta: 60
Iterating post reduction 0 with 60 rules applied. Total rules applied 61 place count 568 transition count 703
Reduce places removed 60 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 61 rules applied. Total rules applied 122 place count 508 transition count 702
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 123 place count 507 transition count 702
Performed 30 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 30 Pre rules applied. Total rules applied 123 place count 507 transition count 672
Deduced a syphon composed of 30 places in 3 ms
Reduce places removed 30 places and 0 transitions.
Iterating global reduction 3 with 60 rules applied. Total rules applied 183 place count 477 transition count 672
Discarding 40 places :
Symmetric choice reduction at 3 with 40 rule applications. Total rules 223 place count 437 transition count 632
Iterating global reduction 3 with 40 rules applied. Total rules applied 263 place count 437 transition count 632
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 263 place count 437 transition count 631
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 265 place count 436 transition count 631
Discarding 10 places :
Symmetric choice reduction at 3 with 10 rule applications. Total rules 275 place count 426 transition count 621
Iterating global reduction 3 with 10 rules applied. Total rules applied 285 place count 426 transition count 621
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 3 with 9 rules applied. Total rules applied 294 place count 426 transition count 612
Performed 73 Post agglomeration using F-continuation condition.Transition count delta: 73
Deduced a syphon composed of 73 places in 0 ms
Reduce places removed 73 places and 0 transitions.
Iterating global reduction 4 with 146 rules applied. Total rules applied 440 place count 353 transition count 539
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 443 place count 350 transition count 536
Iterating global reduction 4 with 3 rules applied. Total rules applied 446 place count 350 transition count 536
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 449 place count 350 transition count 533
Drop transitions (Redundant composition of simpler transitions.) removed 12 transitions
Redundant transition composition rules discarded 12 transitions
Iterating global reduction 5 with 12 rules applied. Total rules applied 461 place count 350 transition count 521
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 463 place count 348 transition count 519
Applied a total of 463 rules in 481 ms. Remains 348 /630 variables (removed 282) and now considering 519/826 (removed 307) transitions.
[2026-05-27 14:38:28] [INFO ] Flow matrix only has 496 transitions (discarded 23 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14393221897745255702.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16506831984219308455.kers'
[2026-05-27 14:38:28] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14393221897745255702.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16506831984219308455.kers]
Normalized transition count is 495 out of 496 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 495 rows 347 cols 1513 entries
Finished phase 1 with 334 SingleSign rule and 0 generalized
[2026-05-27 14:38:28] [INFO ] Computed 14 invariants in 4 ms
Computed 14 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-16506831984219308455.kers
Total runtime 5 ms.
[2026-05-27 14:38:29] [INFO ] Implicit Places using invariants in 525 ms returned []
[2026-05-27 14:38:29] [INFO ] Flow matrix only has 496 transitions (discarded 23 similar events)
[2026-05-27 14:38:29] [INFO ] Invariant cache hit.
[2026-05-27 14:38:30] [INFO ] Implicit Places using invariants and state equation in 1091 ms returned []
Implicit Place search using SMT with State Equation took 1619 ms to find 0 implicit places.
[2026-05-27 14:38:30] [INFO ] Redundant transitions in 56 ms returned []
Running 237 sub problems to find dead transitions.
[2026-05-27 14:38:30] [INFO ] Flow matrix only has 496 transitions (discarded 23 similar events)
[2026-05-27 14:38:30] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/336 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 237 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/336 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 237 unsolved
At refinement iteration 2 (OVERLAPS) 12/348 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 237 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/348 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 237 unsolved
At refinement iteration 4 (OVERLAPS) 495/843 variables, 348/362 constraints. Problems are: Problem set: 0 solved, 237 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/843 variables, 0/362 constraints. Problems are: Problem set: 0 solved, 237 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 843/844 variables, and 362 constraints, problems are : Problem set: 0 solved, 237 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 348/348 constraints, PredecessorRefiner: 237/237 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 237 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/336 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 237 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/336 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 237 unsolved
At refinement iteration 2 (OVERLAPS) 12/348 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 237 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/348 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 237 unsolved
At refinement iteration 4 (OVERLAPS) 495/843 variables, 348/362 constraints. Problems are: Problem set: 0 solved, 237 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/843 variables, 237/599 constraints. Problems are: Problem set: 0 solved, 237 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/843 variables, 0/599 constraints. Problems are: Problem set: 0 solved, 237 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 843/844 variables, and 599 constraints, problems are : Problem set: 0 solved, 237 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 348/348 constraints, PredecessorRefiner: 237/237 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60248ms problems are : Problem set: 0 solved, 237 unsolved
Search for dead transitions found 0 dead transitions in 60252ms
Starting structural reductions in SI_LTL mode, iteration 1 : 348/630 places, 519/826 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 62418 ms. Remains : 348/630 places, 519/826 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 U p1))))'
Stuttering acceptance computed with spot in 336 ms :[(NOT p1), (NOT p1)]
Running random walk in product with property : FlexibleBarrier-PT-12b-LTLCardinality-01
Product exploration explored 100000 steps with 5408 reset in 1161 ms.
Product exploration explored 100000 steps with 5406 reset in 745 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 11 factoid took 64 ms. Reduced automaton from 2 states, 5 edges and 2 AP (stutter insensitive) to 2 states, 5 edges and 2 AP (stutter insensitive).
Reduction of identical properties reduced properties to check from 5 to 4
RANDOM walk for 40000 steps (2234 resets) in 2028 ms. (19 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (27 resets) in 201 ms. (198 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (26 resets) in 129 ms. (307 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (27 resets) in 70 ms. (563 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (28 resets) in 57 ms. (689 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 468717 steps, run timeout after 3002 ms. (steps per millisecond=156 ) properties seen :0 out of 4
Probabilistic random walk after 468717 steps, saw 110464 distinct states, run finished after 3009 ms. (steps per millisecond=155 ) properties seen :0
[2026-05-27 14:39:36] [INFO ] Flow matrix only has 496 transitions (discarded 23 similar events)
[2026-05-27 14:39:36] [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) 178/182 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/182 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 312/494 variables, 182/186 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/494 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 259/753 variables, 112/298 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/753 variables, 1/299 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/753 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 54/807 variables, 9/308 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/807 variables, 18/326 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/807 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 36/843 variables, 36/362 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/843 variables, 0/362 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 0/843 variables, 0/362 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 843/844 variables, and 362 constraints, problems are : Problem set: 0 solved, 4 unsolved in 506 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 348/348 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) 178/182 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/182 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 312/494 variables, 182/186 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/494 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 259/753 variables, 112/298 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/753 variables, 1/299 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/753 variables, 4/303 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/753 variables, 0/303 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 54/807 variables, 9/312 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/807 variables, 18/330 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/807 variables, 0/330 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (OVERLAPS) 36/843 variables, 36/366 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/843 variables, 0/366 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (OVERLAPS) 0/843 variables, 0/366 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 843/844 variables, and 366 constraints, problems are : Problem set: 0 solved, 4 unsolved in 900 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 348/348 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1415ms problems are : Problem set: 0 solved, 4 unsolved
Finished Parikh walk after 966 steps, including 60 resets, run visited all 1 properties in 6 ms. (steps per millisecond=161 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
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 27 ms.
Knowledge based reduction with 11 factoid took 107 ms. Reduced automaton from 2 states, 5 edges and 2 AP (stutter insensitive) to 2 states, 5 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 74 ms :[(NOT p1), (NOT p1)]
Knowledge-based reduction took 5449 ms.
Stuttering acceptance computed with spot in 74 ms :[(NOT p1), (NOT p1)]
Support contains 4 out of 348 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 348/348 places, 519/519 transitions.
Applied a total of 0 rules in 31 ms. Remains 348 /348 variables (removed 0) and now considering 519/519 (removed 0) transitions.
[2026-05-27 14:39:38] [INFO ] Flow matrix only has 496 transitions (discarded 23 similar events)
[2026-05-27 14:39:38] [INFO ] Invariant cache hit.
[2026-05-27 14:39:39] [INFO ] Implicit Places using invariants in 485 ms returned []
[2026-05-27 14:39:39] [INFO ] Flow matrix only has 496 transitions (discarded 23 similar events)
[2026-05-27 14:39:39] [INFO ] Invariant cache hit.
[2026-05-27 14:39:39] [INFO ] Implicit Places using invariants and state equation in 803 ms returned []
Implicit Place search using SMT with State Equation took 1293 ms to find 0 implicit places.
[2026-05-27 14:39:40] [INFO ] Redundant transitions in 21 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1351 ms. Remains : 348/348 places, 519/519 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 11 factoid took 56 ms. Reduced automaton from 2 states, 5 edges and 2 AP (stutter insensitive) to 2 states, 5 edges and 2 AP (stutter insensitive).
Reduction of identical properties reduced properties to check from 5 to 4
RANDOM walk for 40000 steps (2219 resets) in 635 ms. (62 steps per ms) remains 3/4 properties
BEST_FIRST walk for 40004 steps (27 resets) in 64 ms. (615 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (26 resets) in 32 ms. (1212 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (27 resets) in 40 ms. (975 steps per ms) remains 3/3 properties
[2026-05-27 14:39:40] [INFO ] Flow matrix only has 496 transitions (discarded 23 similar events)
[2026-05-27 14:39:40] [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, 3 unsolved
At refinement iteration 1 (OVERLAPS) 178/182 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/182 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 312/494 variables, 182/186 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/494 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 259/753 variables, 112/298 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/753 variables, 1/299 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/753 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 54/807 variables, 9/308 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/807 variables, 18/326 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/807 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 36/843 variables, 36/362 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/843 variables, 0/362 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 0/843 variables, 0/362 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 843/844 variables, and 362 constraints, problems are : Problem set: 0 solved, 3 unsolved in 677 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 348/348 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 178/182 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/182 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 312/494 variables, 182/186 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/494 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 259/753 variables, 112/298 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/753 variables, 1/299 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/753 variables, 3/302 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/753 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 54/807 variables, 9/311 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/807 variables, 18/329 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/807 variables, 0/329 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 36/843 variables, 36/365 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/843 variables, 0/365 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 0/843 variables, 0/365 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 843/844 variables, and 365 constraints, problems are : Problem set: 0 solved, 3 unsolved in 743 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 348/348 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1426ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Finished Parikh walk after 579 steps, including 30 resets, run visited all 1 properties in 3 ms. (steps per millisecond=193 )
Parikh walk visited 3 properties in 18 ms.
Knowledge based reduction with 11 factoid took 135 ms. Reduced automaton from 2 states, 5 edges and 2 AP (stutter insensitive) to 2 states, 5 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 93 ms :[(NOT p1), (NOT p1)]
Knowledge-based reduction took 2235 ms.
Stuttering acceptance computed with spot in 89 ms :[(NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 78 ms :[(NOT p1), (NOT p1)]
Stuttering criterion allowed to conclude after 22456 steps with 1216 reset in 147 ms.
FORMULA FlexibleBarrier-PT-12b-LTLCardinality-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-12b-LTLCardinality-01 finished in 74228 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(X(!p0)) U ((X(X(!p0))&&G(p1))||X(X(G(!p0)))))))'
Support contains 3 out of 630 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 630/630 places, 826/826 transitions.
Discarding 19 places :
Symmetric choice reduction at 0 with 19 rule applications. Total rules 19 place count 611 transition count 807
Iterating global reduction 0 with 19 rules applied. Total rules applied 38 place count 611 transition count 807
Discarding 16 places :
Symmetric choice reduction at 0 with 16 rule applications. Total rules 54 place count 595 transition count 791
Iterating global reduction 0 with 16 rules applied. Total rules applied 70 place count 595 transition count 791
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 80 place count 595 transition count 781
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 85 place count 590 transition count 776
Iterating global reduction 1 with 5 rules applied. Total rules applied 90 place count 590 transition count 776
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 94 place count 590 transition count 772
Applied a total of 94 rules in 62 ms. Remains 590 /630 variables (removed 40) and now considering 772/826 (removed 54) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4052332383146587317.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2796025093595161703.kers'
[2026-05-27 14:39:42] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4052332383146587317.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2796025093595161703.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 772 rows 590 cols 2217 entries
Finished phase 1 with 576 SingleSign rule and 0 generalized
[2026-05-27 14:39:42] [INFO ] Computed 14 invariants in 4 ms
Computed 14 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-2796025093595161703.kers
Total runtime 6 ms.
[2026-05-27 14:39:43] [INFO ] Implicit Places using invariants in 526 ms returned []
[2026-05-27 14:39:43] [INFO ] Invariant cache hit.
[2026-05-27 14:39:44] [INFO ] Implicit Places using invariants and state equation in 942 ms returned []
Implicit Place search using SMT with State Equation took 1469 ms to find 0 implicit places.
Running 771 sub problems to find dead transitions.
[2026-05-27 14:39:44] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/589 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 771 unsolved
At refinement iteration 1 (OVERLAPS) 1/590 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 771 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 590/1362 variables, and 14 constraints, problems are : Problem set: 0 solved, 771 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 0/590 constraints, PredecessorRefiner: 771/771 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 771 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/589 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 771 unsolved
At refinement iteration 1 (OVERLAPS) 1/590 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 771 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 590/1362 variables, and 14 constraints, problems are : Problem set: 0 solved, 771 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 0/590 constraints, PredecessorRefiner: 0/771 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60253ms problems are : Problem set: 0 solved, 771 unsolved
Search for dead transitions found 0 dead transitions in 60256ms
Starting structural reductions in LTL mode, iteration 1 : 590/630 places, 772/826 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61791 ms. Remains : 590/630 places, 772/826 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(X(!p0)) U (X(X(G(!p0)))||(X(X(!p0))&&G(p1))))))'
Stuttering acceptance computed with spot in 304 ms :[p0, p0, p0, (AND (NOT p1) p0), p0, (AND p0 (NOT p1)), true, (AND (NOT p1) p0), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : FlexibleBarrier-PT-12b-LTLCardinality-02
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-12b-LTLCardinality-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-12b-LTLCardinality-02 finished in 62159 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 2 out of 630 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 630/630 places, 826/826 transitions.
Graph (trivial) has 590 edges and 630 vertex of which 73 / 630 are part of one of the 12 SCC in 2 ms
Free SCC test removed 61 places
Ensure Unique test removed 62 transitions
Reduce isomorphic transitions removed 62 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 60 transitions
Trivial Post-agglo rules discarded 60 transitions
Performed 60 trivial Post agglomeration. Transition count delta: 60
Iterating post reduction 0 with 60 rules applied. Total rules applied 61 place count 568 transition count 703
Reduce places removed 60 places and 0 transitions.
Iterating post reduction 1 with 60 rules applied. Total rules applied 121 place count 508 transition count 703
Performed 31 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 31 Pre rules applied. Total rules applied 121 place count 508 transition count 672
Deduced a syphon composed of 31 places in 1 ms
Reduce places removed 31 places and 0 transitions.
Iterating global reduction 2 with 62 rules applied. Total rules applied 183 place count 477 transition count 672
Discarding 43 places :
Symmetric choice reduction at 2 with 43 rule applications. Total rules 226 place count 434 transition count 629
Iterating global reduction 2 with 43 rules applied. Total rules applied 269 place count 434 transition count 629
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 269 place count 434 transition count 628
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 271 place count 433 transition count 628
Discarding 11 places :
Symmetric choice reduction at 2 with 11 rule applications. Total rules 282 place count 422 transition count 617
Iterating global reduction 2 with 11 rules applied. Total rules applied 293 place count 422 transition count 617
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 2 with 11 rules applied. Total rules applied 304 place count 422 transition count 606
Performed 73 Post agglomeration using F-continuation condition.Transition count delta: 73
Deduced a syphon composed of 73 places in 0 ms
Reduce places removed 73 places and 0 transitions.
Iterating global reduction 3 with 146 rules applied. Total rules applied 450 place count 349 transition count 533
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 455 place count 344 transition count 528
Iterating global reduction 3 with 5 rules applied. Total rules applied 460 place count 344 transition count 528
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 3 with 5 rules applied. Total rules applied 465 place count 344 transition count 523
Drop transitions (Redundant composition of simpler transitions.) removed 12 transitions
Redundant transition composition rules discarded 12 transitions
Iterating global reduction 4 with 12 rules applied. Total rules applied 477 place count 344 transition count 511
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 479 place count 342 transition count 509
Applied a total of 479 rules in 152 ms. Remains 342 /630 variables (removed 288) and now considering 509/826 (removed 317) transitions.
[2026-05-27 14:40:44] [INFO ] Flow matrix only has 486 transitions (discarded 23 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5851541331905141645.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14821142172981112100.kers'
[2026-05-27 14:40:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5851541331905141645.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14821142172981112100.kers]
Normalized transition count is 485 out of 486 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 485 rows 341 cols 1477 entries
Finished phase 1 with 328 SingleSign rule and 0 generalized
[2026-05-27 14:40:44] [INFO ] Computed 14 invariants in 2 ms
Computed 14 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-14821142172981112100.kers
Total runtime 3 ms.
[2026-05-27 14:40:45] [INFO ] Implicit Places using invariants in 408 ms returned []
[2026-05-27 14:40:45] [INFO ] Flow matrix only has 486 transitions (discarded 23 similar events)
[2026-05-27 14:40:45] [INFO ] Invariant cache hit.
[2026-05-27 14:40:45] [INFO ] Implicit Places using invariants and state equation in 599 ms returned []
Implicit Place search using SMT with State Equation took 1009 ms to find 0 implicit places.
[2026-05-27 14:40:45] [INFO ] Redundant transitions in 5 ms returned []
Running 231 sub problems to find dead transitions.
[2026-05-27 14:40:45] [INFO ] Flow matrix only has 486 transitions (discarded 23 similar events)
[2026-05-27 14:40:45] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/330 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/330 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 2 (OVERLAPS) 12/342 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/342 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 4 (OVERLAPS) 485/827 variables, 342/356 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/827 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 231 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 6 (OVERLAPS) 0/827 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 231 unsolved
No progress, stopping.
After SMT solving in domain Real declared 827/828 variables, and 356 constraints, problems are : Problem set: 0 solved, 231 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 342/342 constraints, PredecessorRefiner: 231/231 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 231 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/330 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/330 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 2 (OVERLAPS) 12/342 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/342 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 4 (OVERLAPS) 485/827 variables, 342/356 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/827 variables, 231/587 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/827 variables, 0/587 constraints. Problems are: Problem set: 0 solved, 231 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 827/828 variables, and 587 constraints, problems are : Problem set: 0 solved, 231 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 342/342 constraints, PredecessorRefiner: 231/231 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60101ms problems are : Problem set: 0 solved, 231 unsolved
Search for dead transitions found 0 dead transitions in 60102ms
Starting structural reductions in SI_LTL mode, iteration 1 : 342/630 places, 509/826 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 61276 ms. Remains : 342/630 places, 509/826 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Stuttering acceptance computed with spot in 50 ms :[(NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-12b-LTLCardinality-03
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-12b-LTLCardinality-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-12b-LTLCardinality-03 finished in 61359 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 (F(p1) U p2))&&(p1 U X(!p0))))))'
Support contains 4 out of 630 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 630/630 places, 826/826 transitions.
Discarding 18 places :
Symmetric choice reduction at 0 with 18 rule applications. Total rules 18 place count 612 transition count 808
Iterating global reduction 0 with 18 rules applied. Total rules applied 36 place count 612 transition count 808
Discarding 15 places :
Symmetric choice reduction at 0 with 15 rule applications. Total rules 51 place count 597 transition count 793
Iterating global reduction 0 with 15 rules applied. Total rules applied 66 place count 597 transition count 793
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 74 place count 597 transition count 785
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 80 place count 591 transition count 779
Iterating global reduction 1 with 6 rules applied. Total rules applied 86 place count 591 transition count 779
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 1 with 5 rules applied. Total rules applied 91 place count 591 transition count 774
Applied a total of 91 rules in 102 ms. Remains 591 /630 variables (removed 39) and now considering 774/826 (removed 52) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12724032827597338191.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11722862271890329090.kers'
[2026-05-27 14:41:46] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12724032827597338191.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11722862271890329090.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 774 rows 591 cols 2225 entries
Finished phase 1 with 577 SingleSign rule and 0 generalized
[2026-05-27 14:41:46] [INFO ] Computed 14 invariants in 6 ms
Computed 14 P flows in 6 ms.
Exported basis to /tmp/petrispot-output-11722862271890329090.kers
Total runtime 12 ms.
[2026-05-27 14:41:47] [INFO ] Implicit Places using invariants in 898 ms returned []
[2026-05-27 14:41:47] [INFO ] Invariant cache hit.
[2026-05-27 14:41:48] [INFO ] Implicit Places using invariants and state equation in 1388 ms returned []
Implicit Place search using SMT with State Equation took 2291 ms to find 0 implicit places.
Running 773 sub problems to find dead transitions.
[2026-05-27 14:41:48] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/590 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 773 unsolved
At refinement iteration 1 (OVERLAPS) 1/591 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 773 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 591/1365 variables, and 14 constraints, problems are : Problem set: 0 solved, 773 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 0/591 constraints, PredecessorRefiner: 773/773 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 773 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/590 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 773 unsolved
At refinement iteration 1 (OVERLAPS) 1/591 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 773 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 591/1365 variables, and 14 constraints, problems are : Problem set: 0 solved, 773 unsolved in 30035 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 0/591 constraints, PredecessorRefiner: 0/773 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60379ms problems are : Problem set: 0 solved, 773 unsolved
Search for dead transitions found 0 dead transitions in 60383ms
Starting structural reductions in LTL mode, iteration 1 : 591/630 places, 774/826 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62780 ms. Remains : 591/630 places, 774/826 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 (F(p1) U p2))&&(p1 U X(!p0))))))'
Stuttering acceptance computed with spot in 357 ms :[(OR (NOT p2) p0), (OR (NOT p2) p0), (OR (NOT p2) p0), p0, (NOT p1), (NOT p2), (NOT p2), p0, true]
Running random walk in product with property : FlexibleBarrier-PT-12b-LTLCardinality-04
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-12b-LTLCardinality-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-12b-LTLCardinality-04 finished in 63200 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(G(p0)))))'
Support contains 2 out of 630 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 630/630 places, 826/826 transitions.
Discarding 20 places :
Symmetric choice reduction at 0 with 20 rule applications. Total rules 20 place count 610 transition count 806
Iterating global reduction 0 with 20 rules applied. Total rules applied 40 place count 610 transition count 806
Discarding 17 places :
Symmetric choice reduction at 0 with 17 rule applications. Total rules 57 place count 593 transition count 789
Iterating global reduction 0 with 17 rules applied. Total rules applied 74 place count 593 transition count 789
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 0 with 11 rules applied. Total rules applied 85 place count 593 transition count 778
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 90 place count 588 transition count 773
Iterating global reduction 1 with 5 rules applied. Total rules applied 95 place count 588 transition count 773
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 99 place count 588 transition count 769
Applied a total of 99 rules in 68 ms. Remains 588 /630 variables (removed 42) and now considering 769/826 (removed 57) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10031272725053807798.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8098386511888996755.kers'
[2026-05-27 14:42:49] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10031272725053807798.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8098386511888996755.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 769 rows 588 cols 2207 entries
Finished phase 1 with 574 SingleSign rule and 0 generalized
[2026-05-27 14:42:49] [INFO ] Computed 14 invariants in 3 ms
Computed 14 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-8098386511888996755.kers
Total runtime 5 ms.
[2026-05-27 14:42:49] [INFO ] Implicit Places using invariants in 580 ms returned []
[2026-05-27 14:42:49] [INFO ] Invariant cache hit.
[2026-05-27 14:42:50] [INFO ] Implicit Places using invariants and state equation in 860 ms returned []
Implicit Place search using SMT with State Equation took 1442 ms to find 0 implicit places.
Running 768 sub problems to find dead transitions.
[2026-05-27 14:42:50] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/587 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 768 unsolved
At refinement iteration 1 (OVERLAPS) 1/588 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 768 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 588/1357 variables, and 14 constraints, problems are : Problem set: 0 solved, 768 unsolved in 30030 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 0/588 constraints, PredecessorRefiner: 768/768 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 768 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/587 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 768 unsolved
At refinement iteration 1 (OVERLAPS) 1/588 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 768 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 588/1357 variables, and 14 constraints, problems are : Problem set: 0 solved, 768 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 0/588 constraints, PredecessorRefiner: 0/768 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60242ms problems are : Problem set: 0 solved, 768 unsolved
Search for dead transitions found 0 dead transitions in 60244ms
Starting structural reductions in LTL mode, iteration 1 : 588/630 places, 769/826 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61757 ms. Remains : 588/630 places, 769/826 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(G(p0)))))'
Stuttering acceptance computed with spot in 160 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-12b-LTLCardinality-06
Product exploration explored 100000 steps with 1127 reset in 291 ms.
Product exploration explored 100000 steps with 1123 reset in 399 ms.
Computed a total of 14 stabilizing places and 14 stable transitions
Computed a total of 14 stabilizing places and 14 stable transitions
Knowledge based reduction with 1 factoid took 69 ms. Reduced automaton from 5 states, 6 edges and 1 AP (stutter sensitive) to 5 states, 6 edges and 1 AP (stutter sensitive).
RANDOM walk for 40000 steps (451 resets) in 212 ms. (187 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (48 resets) in 62 ms. (634 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 616299 steps, run timeout after 3001 ms. (steps per millisecond=205 ) properties seen :0 out of 1
Probabilistic random walk after 616299 steps, saw 163485 distinct states, run finished after 3001 ms. (steps per millisecond=205 ) properties seen :0
[2026-05-27 14:43:55] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 84/86 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 502/588 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/588 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 769/1357 variables, 588/602 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1357 variables, 0/602 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/1357 variables, 0/602 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1357/1357 variables, and 602 constraints, problems are : Problem set: 0 solved, 1 unsolved in 409 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 588/588 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 84/86 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 502/588 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/588 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 769/1357 variables, 588/602 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1357 variables, 1/603 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1357 variables, 0/603 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/1357 variables, 0/603 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1357/1357 variables, and 603 constraints, problems are : Problem set: 0 solved, 1 unsolved in 496 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 588/588 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 910ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 22 ms.
Support contains 2 out of 588 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 588/588 places, 769/769 transitions.
Graph (trivial) has 547 edges and 588 vertex of which 73 / 588 are part of one of the 12 SCC in 1 ms
Free SCC test removed 61 places
Drop transitions (Empty/Sink Transition effects.) removed 74 transitions
Reduce isomorphic transitions removed 74 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 57 transitions
Trivial Post-agglo rules discarded 57 transitions
Performed 57 trivial Post agglomeration. Transition count delta: 57
Iterating post reduction 0 with 57 rules applied. Total rules applied 58 place count 527 transition count 638
Reduce places removed 57 places and 0 transitions.
Iterating post reduction 1 with 57 rules applied. Total rules applied 115 place count 470 transition count 638
Performed 26 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 26 Pre rules applied. Total rules applied 115 place count 470 transition count 612
Deduced a syphon composed of 26 places in 1 ms
Reduce places removed 26 places and 0 transitions.
Iterating global reduction 2 with 52 rules applied. Total rules applied 167 place count 444 transition count 612
Discarding 23 places :
Symmetric choice reduction at 2 with 23 rule applications. Total rules 190 place count 421 transition count 589
Iterating global reduction 2 with 23 rules applied. Total rules applied 213 place count 421 transition count 589
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 214 place count 420 transition count 588
Iterating global reduction 2 with 1 rules applied. Total rules applied 215 place count 420 transition count 588
Performed 75 Post agglomeration using F-continuation condition.Transition count delta: 75
Deduced a syphon composed of 75 places in 0 ms
Reduce places removed 75 places and 0 transitions.
Iterating global reduction 2 with 150 rules applied. Total rules applied 365 place count 345 transition count 513
Drop transitions (Empty/Sink Transition effects.) removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Iterating post reduction 2 with 24 rules applied. Total rules applied 389 place count 345 transition count 489
Discarding 12 places :
Symmetric choice reduction at 3 with 12 rule applications. Total rules 401 place count 333 transition count 477
Iterating global reduction 3 with 12 rules applied. Total rules applied 413 place count 333 transition count 477
Free-agglomeration rule applied 267 times.
Iterating global reduction 3 with 267 rules applied. Total rules applied 680 place count 333 transition count 210
Reduce places removed 267 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 121 transitions
Reduce isomorphic transitions removed 121 transitions.
Graph (complete) has 175 edges and 66 vertex of which 21 are kept as prefixes of interest. Removing 45 places using SCC suffix rule.2 ms
Discarding 45 places :
Also discarding 0 output transitions
Iterating post reduction 3 with 389 rules applied. Total rules applied 1069 place count 21 transition count 89
Drop transitions (Empty/Sink Transition effects.) removed 63 transitions
Reduce isomorphic transitions removed 63 transitions.
Iterating post reduction 4 with 63 rules applied. Total rules applied 1132 place count 21 transition count 26
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 5 with 1 rules applied. Total rules applied 1133 place count 21 transition count 26
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 5 with 1 rules applied. Total rules applied 1134 place count 20 transition count 25
Reduce places removed 2 places and 0 transitions.
Graph (trivial) has 20 edges and 18 vertex of which 14 / 18 are part of one of the 4 SCC in 0 ms
Free SCC test removed 10 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 5 with 4 rules applied. Total rules applied 1138 place count 8 transition count 24
Reduce places removed 2 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Iterating post reduction 6 with 20 rules applied. Total rules applied 1158 place count 6 transition count 6
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 2 Pre rules applied. Total rules applied 1158 place count 6 transition count 4
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 7 with 4 rules applied. Total rules applied 1162 place count 4 transition count 4
Applied a total of 1162 rules in 101 ms. Remains 4 /588 variables (removed 584) and now considering 4/769 (removed 765) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 101 ms. Remains : 4/588 places, 4/769 transitions.
RANDOM walk for 8 steps (0 resets) in 5 ms. (1 steps per ms) remains 0/1 properties
Knowledge based reduction with 1 factoid took 82 ms. Reduced automaton from 5 states, 6 edges and 1 AP (stutter sensitive) to 5 states, 6 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 176 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Knowledge-based reduction took 4474 ms.
Stuttering acceptance computed with spot in 166 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 2 out of 588 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 588/588 places, 769/769 transitions.
Applied a total of 0 rules in 21 ms. Remains 588 /588 variables (removed 0) and now considering 769/769 (removed 0) transitions.
[2026-05-27 14:43:56] [INFO ] Invariant cache hit.
[2026-05-27 14:43:57] [INFO ] Implicit Places using invariants in 636 ms returned []
[2026-05-27 14:43:57] [INFO ] Invariant cache hit.
[2026-05-27 14:43:58] [INFO ] Implicit Places using invariants and state equation in 1061 ms returned []
Implicit Place search using SMT with State Equation took 1701 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1723 ms. Remains : 588/588 places, 769/769 transitions.
Computed a total of 14 stabilizing places and 14 stable transitions
Computed a total of 14 stabilizing places and 14 stable transitions
Knowledge based reduction with 1 factoid took 50 ms. Reduced automaton from 5 states, 6 edges and 1 AP (stutter sensitive) to 5 states, 6 edges and 1 AP (stutter sensitive).
RANDOM walk for 40000 steps (446 resets) in 138 ms. (287 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (48 resets) in 35 ms. (1111 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 607200 steps, run timeout after 3001 ms. (steps per millisecond=202 ) properties seen :0 out of 1
Probabilistic random walk after 607200 steps, saw 161313 distinct states, run finished after 3001 ms. (steps per millisecond=202 ) properties seen :0
[2026-05-27 14:44:01] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 84/86 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 502/588 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/588 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 769/1357 variables, 588/602 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1357 variables, 0/602 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/1357 variables, 0/602 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1357/1357 variables, and 602 constraints, problems are : Problem set: 0 solved, 1 unsolved in 399 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 588/588 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 84/86 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 502/588 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/588 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 769/1357 variables, 588/602 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1357 variables, 1/603 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1357 variables, 0/603 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/1357 variables, 0/603 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1357/1357 variables, and 603 constraints, problems are : Problem set: 0 solved, 1 unsolved in 526 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 588/588 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 932ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 22 ms.
Support contains 2 out of 588 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 588/588 places, 769/769 transitions.
Graph (trivial) has 547 edges and 588 vertex of which 73 / 588 are part of one of the 12 SCC in 1 ms
Free SCC test removed 61 places
Drop transitions (Empty/Sink Transition effects.) removed 74 transitions
Reduce isomorphic transitions removed 74 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 57 transitions
Trivial Post-agglo rules discarded 57 transitions
Performed 57 trivial Post agglomeration. Transition count delta: 57
Iterating post reduction 0 with 57 rules applied. Total rules applied 58 place count 527 transition count 638
Reduce places removed 57 places and 0 transitions.
Iterating post reduction 1 with 57 rules applied. Total rules applied 115 place count 470 transition count 638
Performed 26 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 26 Pre rules applied. Total rules applied 115 place count 470 transition count 612
Deduced a syphon composed of 26 places in 1 ms
Reduce places removed 26 places and 0 transitions.
Iterating global reduction 2 with 52 rules applied. Total rules applied 167 place count 444 transition count 612
Discarding 23 places :
Symmetric choice reduction at 2 with 23 rule applications. Total rules 190 place count 421 transition count 589
Iterating global reduction 2 with 23 rules applied. Total rules applied 213 place count 421 transition count 589
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 214 place count 420 transition count 588
Iterating global reduction 2 with 1 rules applied. Total rules applied 215 place count 420 transition count 588
Performed 75 Post agglomeration using F-continuation condition.Transition count delta: 75
Deduced a syphon composed of 75 places in 0 ms
Reduce places removed 75 places and 0 transitions.
Iterating global reduction 2 with 150 rules applied. Total rules applied 365 place count 345 transition count 513
Drop transitions (Empty/Sink Transition effects.) removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Iterating post reduction 2 with 24 rules applied. Total rules applied 389 place count 345 transition count 489
Discarding 12 places :
Symmetric choice reduction at 3 with 12 rule applications. Total rules 401 place count 333 transition count 477
Iterating global reduction 3 with 12 rules applied. Total rules applied 413 place count 333 transition count 477
Free-agglomeration rule applied 267 times.
Iterating global reduction 3 with 267 rules applied. Total rules applied 680 place count 333 transition count 210
Reduce places removed 267 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 121 transitions
Reduce isomorphic transitions removed 121 transitions.
Graph (complete) has 175 edges and 66 vertex of which 21 are kept as prefixes of interest. Removing 45 places using SCC suffix rule.0 ms
Discarding 45 places :
Also discarding 0 output transitions
Iterating post reduction 3 with 389 rules applied. Total rules applied 1069 place count 21 transition count 89
Drop transitions (Empty/Sink Transition effects.) removed 63 transitions
Reduce isomorphic transitions removed 63 transitions.
Iterating post reduction 4 with 63 rules applied. Total rules applied 1132 place count 21 transition count 26
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 5 with 1 rules applied. Total rules applied 1133 place count 21 transition count 26
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 5 with 1 rules applied. Total rules applied 1134 place count 20 transition count 25
Reduce places removed 2 places and 0 transitions.
Graph (trivial) has 20 edges and 18 vertex of which 14 / 18 are part of one of the 4 SCC in 0 ms
Free SCC test removed 10 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 5 with 4 rules applied. Total rules applied 1138 place count 8 transition count 24
Reduce places removed 2 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Iterating post reduction 6 with 20 rules applied. Total rules applied 1158 place count 6 transition count 6
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 2 Pre rules applied. Total rules applied 1158 place count 6 transition count 4
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 7 with 4 rules applied. Total rules applied 1162 place count 4 transition count 4
Applied a total of 1162 rules in 94 ms. Remains 4 /588 variables (removed 584) and now considering 4/769 (removed 765) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 94 ms. Remains : 4/588 places, 4/769 transitions.
RANDOM walk for 8 steps (0 resets) in 4 ms. (1 steps per ms) remains 0/1 properties
Knowledge based reduction with 1 factoid took 83 ms. Reduced automaton from 5 states, 6 edges and 1 AP (stutter sensitive) to 5 states, 6 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 196 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Knowledge-based reduction took 4451 ms.
Stuttering acceptance computed with spot in 172 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 149 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 1122 reset in 345 ms.
Product exploration explored 100000 steps with 1129 reset in 226 ms.
Spot run failed in 112 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/ltsmin13783580264934322095
[2026-05-27 14:44:03] [INFO ] Built C files in 49ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin13783580264934322095
Running compilation step : cd /tmp/ltsmin13783580264934322095;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 2554 ms.
Running link step : cd /tmp/ltsmin13783580264934322095;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 57 ms.
Running LTSmin : cd /tmp/ltsmin13783580264934322095;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--hoa' '/tmp/stateBased6671999070688599606.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 2 out of 588 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 588/588 places, 769/769 transitions.
Applied a total of 0 rules in 14 ms. Remains 588 /588 variables (removed 0) and now considering 769/769 (removed 0) transitions.
[2026-05-27 14:44:18] [INFO ] Invariant cache hit.
[2026-05-27 14:44:19] [INFO ] Implicit Places using invariants in 585 ms returned []
[2026-05-27 14:44:19] [INFO ] Invariant cache hit.
[2026-05-27 14:44:20] [INFO ] Implicit Places using invariants and state equation in 1030 ms returned []
Implicit Place search using SMT with State Equation took 1617 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1632 ms. Remains : 588/588 places, 769/769 transitions.
Built C files in :
/tmp/ltsmin560043679928814415
[2026-05-27 14:44:20] [INFO ] Built C files in 13ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin560043679928814415
Running compilation step : cd /tmp/ltsmin560043679928814415;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 1877 ms.
Running link step : cd /tmp/ltsmin560043679928814415;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 39 ms.
Running LTSmin : cd /tmp/ltsmin560043679928814415;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--hoa' '/tmp/stateBased5083211026470963268.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2026-05-27 14:44:35] [INFO ] Flatten gal took : 42 ms
[2026-05-27 14:44:35] [INFO ] Flatten gal took : 43 ms
[2026-05-27 14:44:35] [INFO ] Time to serialize gal into /tmp/LTL18018404232257821023.gal : 11 ms
[2026-05-27 14:44:35] [INFO ] Time to serialize properties into /tmp/LTL5392235953326033053.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL18018404232257821023.gal' '-t' 'CGAL' '-hoa' '/tmp/aut1965876131797708895.hoa' '-atoms' '/tmp/LTL5392235953326033053.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...318
Loading property file /tmp/LTL5392235953326033053.prop.
Loaded 1 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut1965876131797708895.hoa
Detected timeout of ITS tools.
[2026-05-27 14:44:50] [INFO ] Flatten gal took : 35 ms
[2026-05-27 14:44:50] [INFO ] Flatten gal took : 32 ms
[2026-05-27 14:44:50] [INFO ] Time to serialize gal into /tmp/LTL2481732005313094508.gal : 8 ms
[2026-05-27 14:44:50] [INFO ] Time to serialize properties into /tmp/LTL6320987684956900296.ltl : 5 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/LTL2481732005313094508.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL6320987684956900296.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...275
Read 1 LTL properties
Checking formula 0 : !((X(X(X(G("((p803==0)||(p364==1))"))))))
Formula 0 simplified : XXXF!"((p803==0)||(p364==1))"
Detected timeout of ITS tools.
[2026-05-27 14:45:05] [INFO ] Flatten gal took : 28 ms
[2026-05-27 14:45:05] [INFO ] Applying decomposition
[2026-05-27 14:45:05] [INFO ] Flatten gal took : 28 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/graph13728691385149173725.txt' '-o' '/tmp/graph13728691385149173725.bin' '-w' '/tmp/graph13728691385149173725.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph13728691385149173725.bin' '-l' '-1' '-v' '-w' '/tmp/graph13728691385149173725.weights' '-q' '0' '-e' '0.001'
[2026-05-27 14:45:06] [INFO ] Decomposing Gal with order
[2026-05-27 14:45:06] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-27 14:45:06] [INFO ] Removed a total of 214 redundant transitions.
[2026-05-27 14:45:06] [INFO ] Flatten gal took : 222 ms
[2026-05-27 14:45:06] [INFO ] Fuse similar labels procedure discarded/fused a total of 8 labels/synchronizations in 23 ms.
[2026-05-27 14:45:06] [INFO ] Time to serialize gal into /tmp/LTL4141367763319024072.gal : 19 ms
[2026-05-27 14:45:06] [INFO ] Time to serialize properties into /tmp/LTL13027048183034943508.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/LTL4141367763319024072.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL13027048183034943508.ltl' '-c' '-stutter-deadlock'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...255
Read 1 LTL properties
Checking formula 0 : !((X(X(X(G("((i8.u73.p803==0)||(i4.u38.p364==1))"))))))
Formula 0 simplified : XXXF!"((i8.u73.p803==0)||(i4.u38.p364==1))"
Detected timeout of ITS tools.
Treatment of property FlexibleBarrier-PT-12b-LTLCardinality-06 finished in 152380 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 1 out of 630 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 630/630 places, 826/826 transitions.
Graph (trivial) has 591 edges and 630 vertex of which 73 / 630 are part of one of the 12 SCC in 1 ms
Free SCC test removed 61 places
Ensure Unique test removed 62 transitions
Reduce isomorphic transitions removed 62 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 61 transitions
Trivial Post-agglo rules discarded 61 transitions
Performed 61 trivial Post agglomeration. Transition count delta: 61
Iterating post reduction 0 with 61 rules applied. Total rules applied 62 place count 568 transition count 702
Reduce places removed 61 places and 0 transitions.
Iterating post reduction 1 with 61 rules applied. Total rules applied 123 place count 507 transition count 702
Performed 31 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 31 Pre rules applied. Total rules applied 123 place count 507 transition count 671
Deduced a syphon composed of 31 places in 0 ms
Reduce places removed 31 places and 0 transitions.
Iterating global reduction 2 with 62 rules applied. Total rules applied 185 place count 476 transition count 671
Discarding 44 places :
Symmetric choice reduction at 2 with 44 rule applications. Total rules 229 place count 432 transition count 627
Iterating global reduction 2 with 44 rules applied. Total rules applied 273 place count 432 transition count 627
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 273 place count 432 transition count 626
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 275 place count 431 transition count 626
Discarding 11 places :
Symmetric choice reduction at 2 with 11 rule applications. Total rules 286 place count 420 transition count 615
Iterating global reduction 2 with 11 rules applied. Total rules applied 297 place count 420 transition count 615
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 2 with 11 rules applied. Total rules applied 308 place count 420 transition count 604
Performed 73 Post agglomeration using F-continuation condition.Transition count delta: 73
Deduced a syphon composed of 73 places in 0 ms
Reduce places removed 73 places and 0 transitions.
Iterating global reduction 3 with 146 rules applied. Total rules applied 454 place count 347 transition count 531
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 459 place count 342 transition count 526
Iterating global reduction 3 with 5 rules applied. Total rules applied 464 place count 342 transition count 526
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 3 with 5 rules applied. Total rules applied 469 place count 342 transition count 521
Drop transitions (Redundant composition of simpler transitions.) removed 12 transitions
Redundant transition composition rules discarded 12 transitions
Iterating global reduction 4 with 12 rules applied. Total rules applied 481 place count 342 transition count 509
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 483 place count 340 transition count 507
Applied a total of 483 rules in 161 ms. Remains 340 /630 variables (removed 290) and now considering 507/826 (removed 319) transitions.
[2026-05-27 14:45:21] [INFO ] Flow matrix only has 484 transitions (discarded 23 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7112705706203709157.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16723487139788310744.kers'
[2026-05-27 14:45:21] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7112705706203709157.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16723487139788310744.kers]
Normalized transition count is 483 out of 484 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 483 rows 339 cols 1473 entries
Finished phase 1 with 326 SingleSign rule and 0 generalized
[2026-05-27 14:45:21] [INFO ] Computed 14 invariants in 2 ms
Computed 14 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-16723487139788310744.kers
Total runtime 4 ms.
[2026-05-27 14:45:22] [INFO ] Implicit Places using invariants in 488 ms returned []
[2026-05-27 14:45:22] [INFO ] Flow matrix only has 484 transitions (discarded 23 similar events)
[2026-05-27 14:45:22] [INFO ] Invariant cache hit.
[2026-05-27 14:45:22] [INFO ] Implicit Places using invariants and state equation in 639 ms returned []
Implicit Place search using SMT with State Equation took 1129 ms to find 0 implicit places.
[2026-05-27 14:45:22] [INFO ] Redundant transitions in 3 ms returned []
Running 229 sub problems to find dead transitions.
[2026-05-27 14:45:22] [INFO ] Flow matrix only has 484 transitions (discarded 23 similar events)
[2026-05-27 14:45:22] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/328 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 229 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/328 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 229 unsolved
At refinement iteration 2 (OVERLAPS) 12/340 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 229 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/340 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 229 unsolved
At refinement iteration 4 (OVERLAPS) 483/823 variables, 340/354 constraints. Problems are: Problem set: 0 solved, 229 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/823 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 229 unsolved
At refinement iteration 6 (OVERLAPS) 0/823 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 229 unsolved
No progress, stopping.
After SMT solving in domain Real declared 823/824 variables, and 354 constraints, problems are : Problem set: 0 solved, 229 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 340/340 constraints, PredecessorRefiner: 229/229 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 229 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/328 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 229 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/328 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 229 unsolved
At refinement iteration 2 (OVERLAPS) 12/340 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 229 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/340 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 229 unsolved
At refinement iteration 4 (OVERLAPS) 483/823 variables, 340/354 constraints. Problems are: Problem set: 0 solved, 229 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/823 variables, 229/583 constraints. Problems are: Problem set: 0 solved, 229 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/823 variables, 0/583 constraints. Problems are: Problem set: 0 solved, 229 unsolved
At refinement iteration 7 (OVERLAPS) 0/823 variables, 0/583 constraints. Problems are: Problem set: 0 solved, 229 unsolved
No progress, stopping.
After SMT solving in domain Int declared 823/824 variables, and 583 constraints, problems are : Problem set: 0 solved, 229 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 340/340 constraints, PredecessorRefiner: 229/229 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60084ms problems are : Problem set: 0 solved, 229 unsolved
Search for dead transitions found 0 dead transitions in 60086ms
Starting structural reductions in SI_LTL mode, iteration 1 : 340/630 places, 507/826 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 61385 ms. Remains : 340/630 places, 507/826 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 77 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-12b-LTLCardinality-07
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-12b-LTLCardinality-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-12b-LTLCardinality-07 finished in 61494 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||G(p1))))'
Support contains 4 out of 630 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 630/630 places, 826/826 transitions.
Graph (trivial) has 588 edges and 630 vertex of which 73 / 630 are part of one of the 12 SCC in 0 ms
Free SCC test removed 61 places
Ensure Unique test removed 62 transitions
Reduce isomorphic transitions removed 62 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 61 transitions
Trivial Post-agglo rules discarded 61 transitions
Performed 61 trivial Post agglomeration. Transition count delta: 61
Iterating post reduction 0 with 61 rules applied. Total rules applied 62 place count 568 transition count 702
Reduce places removed 61 places and 0 transitions.
Iterating post reduction 1 with 61 rules applied. Total rules applied 123 place count 507 transition count 702
Performed 30 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 30 Pre rules applied. Total rules applied 123 place count 507 transition count 672
Deduced a syphon composed of 30 places in 1 ms
Reduce places removed 30 places and 0 transitions.
Iterating global reduction 2 with 60 rules applied. Total rules applied 183 place count 477 transition count 672
Discarding 42 places :
Symmetric choice reduction at 2 with 42 rule applications. Total rules 225 place count 435 transition count 630
Iterating global reduction 2 with 42 rules applied. Total rules applied 267 place count 435 transition count 630
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 267 place count 435 transition count 629
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 269 place count 434 transition count 629
Discarding 10 places :
Symmetric choice reduction at 2 with 10 rule applications. Total rules 279 place count 424 transition count 619
Iterating global reduction 2 with 10 rules applied. Total rules applied 289 place count 424 transition count 619
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 2 with 9 rules applied. Total rules applied 298 place count 424 transition count 610
Performed 73 Post agglomeration using F-continuation condition.Transition count delta: 73
Deduced a syphon composed of 73 places in 0 ms
Reduce places removed 73 places and 0 transitions.
Iterating global reduction 3 with 146 rules applied. Total rules applied 444 place count 351 transition count 537
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 449 place count 346 transition count 532
Iterating global reduction 3 with 5 rules applied. Total rules applied 454 place count 346 transition count 532
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 3 with 5 rules applied. Total rules applied 459 place count 346 transition count 527
Drop transitions (Redundant composition of simpler transitions.) removed 12 transitions
Redundant transition composition rules discarded 12 transitions
Iterating global reduction 4 with 12 rules applied. Total rules applied 471 place count 346 transition count 515
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 473 place count 344 transition count 513
Applied a total of 473 rules in 114 ms. Remains 344 /630 variables (removed 286) and now considering 513/826 (removed 313) transitions.
[2026-05-27 14:46:23] [INFO ] Flow matrix only has 490 transitions (discarded 23 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9252731804475699613.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18263731759503028314.kers'
[2026-05-27 14:46:23] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9252731804475699613.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18263731759503028314.kers]
Normalized transition count is 489 out of 490 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 489 rows 343 cols 1493 entries
Finished phase 1 with 330 SingleSign rule and 0 generalized
[2026-05-27 14:46:23] [INFO ] Computed 14 invariants in 3 ms
Computed 14 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-18263731759503028314.kers
Total runtime 5 ms.
[2026-05-27 14:46:23] [INFO ] Implicit Places using invariants in 527 ms returned []
[2026-05-27 14:46:23] [INFO ] Flow matrix only has 490 transitions (discarded 23 similar events)
[2026-05-27 14:46:23] [INFO ] Invariant cache hit.
[2026-05-27 14:46:24] [INFO ] Implicit Places using invariants and state equation in 701 ms returned []
Implicit Place search using SMT with State Equation took 1230 ms to find 0 implicit places.
[2026-05-27 14:46:24] [INFO ] Redundant transitions in 3 ms returned []
Running 233 sub problems to find dead transitions.
[2026-05-27 14:46:24] [INFO ] Flow matrix only has 490 transitions (discarded 23 similar events)
[2026-05-27 14:46:24] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/332 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 233 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/332 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 233 unsolved
At refinement iteration 2 (OVERLAPS) 12/344 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 233 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/344 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 233 unsolved
At refinement iteration 4 (OVERLAPS) 489/833 variables, 344/358 constraints. Problems are: Problem set: 0 solved, 233 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/833 variables, 0/358 constraints. Problems are: Problem set: 0 solved, 233 unsolved
At refinement iteration 6 (OVERLAPS) 0/833 variables, 0/358 constraints. Problems are: Problem set: 0 solved, 233 unsolved
No progress, stopping.
After SMT solving in domain Real declared 833/834 variables, and 358 constraints, problems are : Problem set: 0 solved, 233 unsolved in 26555 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 344/344 constraints, PredecessorRefiner: 233/233 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 233 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/332 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 233 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/332 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 233 unsolved
At refinement iteration 2 (OVERLAPS) 12/344 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 233 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/344 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 233 unsolved
At refinement iteration 4 (OVERLAPS) 489/833 variables, 344/358 constraints. Problems are: Problem set: 0 solved, 233 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/833 variables, 233/591 constraints. Problems are: Problem set: 0 solved, 233 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/833 variables, 0/591 constraints. Problems are: Problem set: 0 solved, 233 unsolved
At refinement iteration 7 (OVERLAPS) 0/833 variables, 0/591 constraints. Problems are: Problem set: 0 solved, 233 unsolved
No progress, stopping.
After SMT solving in domain Int declared 833/834 variables, and 591 constraints, problems are : Problem set: 0 solved, 233 unsolved in 29188 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 344/344 constraints, PredecessorRefiner: 233/233 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 55807ms problems are : Problem set: 0 solved, 233 unsolved
Search for dead transitions found 0 dead transitions in 55808ms
Starting structural reductions in SI_LTL mode, iteration 1 : 344/630 places, 513/826 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 57161 ms. Remains : 344/630 places, 513/826 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)||p1)))'
Stuttering acceptance computed with spot in 38 ms :[(AND (NOT p0) (NOT p1))]
Running random walk in product with property : FlexibleBarrier-PT-12b-LTLCardinality-09
Product exploration explored 100000 steps with 5422 reset in 797 ms.
Product exploration explored 100000 steps with 5436 reset in 768 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 5 factoid took 138 ms. Reduced automaton from 1 states, 2 edges and 2 AP (stutter insensitive) to 1 states, 2 edges and 2 AP (stutter insensitive).
RANDOM walk for 40000 steps (2226 resets) in 390 ms. (102 steps per ms) remains 2/4 properties
BEST_FIRST walk for 40004 steps (26 resets) in 43 ms. (909 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (28 resets) in 39 ms. (1000 steps per ms) remains 2/2 properties
[2026-05-27 14:47:22] [INFO ] Flow matrix only has 490 transitions (discarded 23 similar events)
[2026-05-27 14:47:22] [INFO ] Invariant cache hit.
Problem apf1 is UNSAT
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 157/161 variables, 3/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/161 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 287/448 variables, 161/164 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/448 variables, 0/164 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 285/733 variables, 123/287 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/733 variables, 1/288 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/733 variables, 0/288 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 60/793 variables, 10/298 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/793 variables, 20/318 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/793 variables, 0/318 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 40/833 variables, 40/358 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/833 variables, 0/358 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/833 variables, 0/358 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 833/834 variables, and 358 constraints, problems are : Problem set: 1 solved, 1 unsolved in 376 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 344/344 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 157/161 variables, 3/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/161 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 287/448 variables, 161/164 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/448 variables, 0/164 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 285/733 variables, 123/287 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/733 variables, 1/288 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/733 variables, 1/289 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/733 variables, 0/289 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 60/793 variables, 10/299 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/793 variables, 20/319 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/793 variables, 0/319 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 40/833 variables, 40/359 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/833 variables, 0/359 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/833 variables, 0/359 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 833/834 variables, and 359 constraints, problems are : Problem set: 1 solved, 1 unsolved in 389 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 344/344 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 769ms problems are : Problem set: 1 solved, 1 unsolved
Finished Parikh walk after 100 steps, including 9 resets, run visited all 1 properties in 1 ms. (steps per millisecond=100 )
Parikh walk visited 1 properties in 1 ms.
Found 1 invariant AP formulas.
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 6 factoid took 11 ms. Proved property starting from automaton with 1 states, 2 edges and 2 AP (stutter insensitive
Knowledge-based reduction took 1120 ms.
FORMULA FlexibleBarrier-PT-12b-LTLCardinality-09 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FlexibleBarrier-PT-12b-LTLCardinality-09 finished in 59915 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U G(p1)))'
Support contains 3 out of 630 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 630/630 places, 826/826 transitions.
Graph (trivial) has 587 edges and 630 vertex of which 73 / 630 are part of one of the 12 SCC in 1 ms
Free SCC test removed 61 places
Ensure Unique test removed 62 transitions
Reduce isomorphic transitions removed 62 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 59 transitions
Trivial Post-agglo rules discarded 59 transitions
Performed 59 trivial Post agglomeration. Transition count delta: 59
Iterating post reduction 0 with 59 rules applied. Total rules applied 60 place count 568 transition count 704
Reduce places removed 59 places and 0 transitions.
Iterating post reduction 1 with 59 rules applied. Total rules applied 119 place count 509 transition count 704
Performed 29 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 29 Pre rules applied. Total rules applied 119 place count 509 transition count 675
Deduced a syphon composed of 29 places in 0 ms
Reduce places removed 29 places and 0 transitions.
Iterating global reduction 2 with 58 rules applied. Total rules applied 177 place count 480 transition count 675
Discarding 41 places :
Symmetric choice reduction at 2 with 41 rule applications. Total rules 218 place count 439 transition count 634
Iterating global reduction 2 with 41 rules applied. Total rules applied 259 place count 439 transition count 634
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 259 place count 439 transition count 633
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 261 place count 438 transition count 633
Discarding 12 places :
Symmetric choice reduction at 2 with 12 rule applications. Total rules 273 place count 426 transition count 621
Iterating global reduction 2 with 12 rules applied. Total rules applied 285 place count 426 transition count 621
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 295 place count 426 transition count 611
Performed 73 Post agglomeration using F-continuation condition.Transition count delta: 73
Deduced a syphon composed of 73 places in 0 ms
Reduce places removed 73 places and 0 transitions.
Iterating global reduction 3 with 146 rules applied. Total rules applied 441 place count 353 transition count 538
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 444 place count 350 transition count 535
Iterating global reduction 3 with 3 rules applied. Total rules applied 447 place count 350 transition count 535
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 450 place count 350 transition count 532
Drop transitions (Redundant composition of simpler transitions.) removed 12 transitions
Redundant transition composition rules discarded 12 transitions
Iterating global reduction 4 with 12 rules applied. Total rules applied 462 place count 350 transition count 520
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 464 place count 348 transition count 518
Applied a total of 464 rules in 180 ms. Remains 348 /630 variables (removed 282) and now considering 518/826 (removed 308) transitions.
[2026-05-27 14:47:23] [INFO ] Flow matrix only has 495 transitions (discarded 23 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15253761433322681937.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6053673662855996680.kers'
[2026-05-27 14:47:23] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15253761433322681937.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6053673662855996680.kers]
Normalized transition count is 494 out of 495 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 494 rows 347 cols 1507 entries
Finished phase 1 with 334 SingleSign rule and 0 generalized
[2026-05-27 14:47:23] [INFO ] Computed 14 invariants in 2 ms
Computed 14 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-6053673662855996680.kers
Total runtime 4 ms.
[2026-05-27 14:47:23] [INFO ] Implicit Places using invariants in 474 ms returned []
[2026-05-27 14:47:23] [INFO ] Flow matrix only has 495 transitions (discarded 23 similar events)
[2026-05-27 14:47:23] [INFO ] Invariant cache hit.
[2026-05-27 14:47:24] [INFO ] Implicit Places using invariants and state equation in 695 ms returned []
Implicit Place search using SMT with State Equation took 1173 ms to find 0 implicit places.
[2026-05-27 14:47:24] [INFO ] Redundant transitions in 3 ms returned []
Running 237 sub problems to find dead transitions.
[2026-05-27 14:47:24] [INFO ] Flow matrix only has 495 transitions (discarded 23 similar events)
[2026-05-27 14:47:24] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/336 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 237 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/336 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 237 unsolved
At refinement iteration 2 (OVERLAPS) 12/348 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 237 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/348 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 237 unsolved
At refinement iteration 4 (OVERLAPS) 494/842 variables, 348/362 constraints. Problems are: Problem set: 0 solved, 237 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/842 variables, 0/362 constraints. Problems are: Problem set: 0 solved, 237 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
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 842/843 variables, and 362 constraints, problems are : Problem set: 0 solved, 237 unsolved in 30011 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 348/348 constraints, PredecessorRefiner: 237/237 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 237 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/336 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 237 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/336 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 237 unsolved
At refinement iteration 2 (OVERLAPS) 12/348 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 237 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/348 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 237 unsolved
At refinement iteration 4 (OVERLAPS) 494/842 variables, 348/362 constraints. Problems are: Problem set: 0 solved, 237 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/842 variables, 237/599 constraints. Problems are: Problem set: 0 solved, 237 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/842 variables, 0/599 constraints. Problems are: Problem set: 0 solved, 237 unsolved
At refinement iteration 7 (OVERLAPS) 0/842 variables, 0/599 constraints. Problems are: Problem set: 0 solved, 237 unsolved
No progress, stopping.
After SMT solving in domain Int declared 842/843 variables, and 599 constraints, problems are : Problem set: 0 solved, 237 unsolved in 30010 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 348/348 constraints, PredecessorRefiner: 237/237 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60080ms problems are : Problem set: 0 solved, 237 unsolved
Search for dead transitions found 0 dead transitions in 60081ms
Starting structural reductions in SI_LTL mode, iteration 1 : 348/630 places, 518/826 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 61446 ms. Remains : 348/630 places, 518/826 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U G(p1)))'
Stuttering acceptance computed with spot in 89 ms :[(NOT p1), true, (NOT p1)]
Running random walk in product with property : FlexibleBarrier-PT-12b-LTLCardinality-11
Product exploration explored 100000 steps with 5421 reset in 627 ms.
Product exploration explored 100000 steps with 5415 reset in 632 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 13 factoid took 53 ms. Reduced automaton from 3 states, 7 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
RANDOM walk for 40000 steps (2227 resets) in 308 ms. (129 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (26 resets) in 28 ms. (1379 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 903165 steps, run timeout after 3001 ms. (steps per millisecond=300 ) properties seen :0 out of 1
Probabilistic random walk after 903165 steps, saw 181111 distinct states, run finished after 3001 ms. (steps per millisecond=300 ) properties seen :0
[2026-05-27 14:48:29] [INFO ] Flow matrix only has 495 transitions (discarded 23 similar events)
[2026-05-27 14:48:29] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 38/40 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 86/126 variables, 40/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/126 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 452/578 variables, 84/126 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/578 variables, 1/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/578 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 224/802 variables, 11/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/802 variables, 184/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/802 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 40/842 variables, 40/362 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/842 variables, 0/362 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/842 variables, 0/362 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 842/843 variables, and 362 constraints, problems are : Problem set: 0 solved, 1 unsolved in 266 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 348/348 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 38/40 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 86/126 variables, 40/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/126 variables, 1/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/126 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 452/578 variables, 84/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/578 variables, 1/128 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/578 variables, 0/128 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 224/802 variables, 11/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/802 variables, 184/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/802 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 40/842 variables, 40/363 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/842 variables, 0/363 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/842 variables, 0/363 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 842/843 variables, and 363 constraints, problems are : Problem set: 0 solved, 1 unsolved in 360 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 348/348 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 630ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 38 steps, including 1 resets, run visited all 1 properties in 1 ms. (steps per millisecond=38 )
Parikh walk visited 1 properties in 1 ms.
Negative knowledge disproves property using: (G p1)
Knowledge based reduction with 13 factoid took 34 ms. Proved property starting from automaton with 2 states, 3 edges and 1 AP (stutter insensitive
Knowledge-based reduction took 3913 ms.
FORMULA FlexibleBarrier-PT-12b-LTLCardinality-11 FALSE TECHNIQUES NEGATIVE_KNOWLEDGE
Treatment of property FlexibleBarrier-PT-12b-LTLCardinality-11 finished in 66740 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 630 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 630/630 places, 826/826 transitions.
Graph (trivial) has 590 edges and 630 vertex of which 73 / 630 are part of one of the 12 SCC in 1 ms
Free SCC test removed 61 places
Ensure Unique test removed 62 transitions
Reduce isomorphic transitions removed 62 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 61 transitions
Trivial Post-agglo rules discarded 61 transitions
Performed 61 trivial Post agglomeration. Transition count delta: 61
Iterating post reduction 0 with 61 rules applied. Total rules applied 62 place count 568 transition count 702
Reduce places removed 61 places and 0 transitions.
Iterating post reduction 1 with 61 rules applied. Total rules applied 123 place count 507 transition count 702
Performed 30 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 30 Pre rules applied. Total rules applied 123 place count 507 transition count 672
Deduced a syphon composed of 30 places in 0 ms
Reduce places removed 30 places and 0 transitions.
Iterating global reduction 2 with 60 rules applied. Total rules applied 183 place count 477 transition count 672
Discarding 42 places :
Symmetric choice reduction at 2 with 42 rule applications. Total rules 225 place count 435 transition count 630
Iterating global reduction 2 with 42 rules applied. Total rules applied 267 place count 435 transition count 630
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 267 place count 435 transition count 629
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 269 place count 434 transition count 629
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 278 place count 425 transition count 620
Iterating global reduction 2 with 9 rules applied. Total rules applied 287 place count 425 transition count 620
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 295 place count 425 transition count 612
Performed 73 Post agglomeration using F-continuation condition.Transition count delta: 73
Deduced a syphon composed of 73 places in 0 ms
Reduce places removed 73 places and 0 transitions.
Iterating global reduction 3 with 146 rules applied. Total rules applied 441 place count 352 transition count 539
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 447 place count 346 transition count 533
Iterating global reduction 3 with 6 rules applied. Total rules applied 453 place count 346 transition count 533
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 3 with 6 rules applied. Total rules applied 459 place count 346 transition count 527
Drop transitions (Redundant composition of simpler transitions.) removed 12 transitions
Redundant transition composition rules discarded 12 transitions
Iterating global reduction 4 with 12 rules applied. Total rules applied 471 place count 346 transition count 515
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 473 place count 344 transition count 513
Applied a total of 473 rules in 111 ms. Remains 344 /630 variables (removed 286) and now considering 513/826 (removed 313) transitions.
[2026-05-27 14:48:29] [INFO ] Flow matrix only has 490 transitions (discarded 23 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2695605845207874489.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11761760676846761459.kers'
[2026-05-27 14:48:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2695605845207874489.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11761760676846761459.kers]
Normalized transition count is 489 out of 490 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 489 rows 343 cols 1493 entries
Finished phase 1 with 330 SingleSign rule and 0 generalized
[2026-05-27 14:48:29] [INFO ] Computed 14 invariants in 2 ms
Computed 14 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-11761760676846761459.kers
Total runtime 4 ms.
[2026-05-27 14:48:30] [INFO ] Implicit Places using invariants in 767 ms returned []
[2026-05-27 14:48:30] [INFO ] Flow matrix only has 490 transitions (discarded 23 similar events)
[2026-05-27 14:48:30] [INFO ] Invariant cache hit.
[2026-05-27 14:48:31] [INFO ] Implicit Places using invariants and state equation in 692 ms returned []
Implicit Place search using SMT with State Equation took 1462 ms to find 0 implicit places.
[2026-05-27 14:48:31] [INFO ] Redundant transitions in 2 ms returned []
Running 233 sub problems to find dead transitions.
[2026-05-27 14:48:31] [INFO ] Flow matrix only has 490 transitions (discarded 23 similar events)
[2026-05-27 14:48:31] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/332 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 233 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/332 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 233 unsolved
At refinement iteration 2 (OVERLAPS) 12/344 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 233 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/344 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 233 unsolved
At refinement iteration 4 (OVERLAPS) 489/833 variables, 344/358 constraints. Problems are: Problem set: 0 solved, 233 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/833 variables, 0/358 constraints. Problems are: Problem set: 0 solved, 233 unsolved
At refinement iteration 6 (OVERLAPS) 0/833 variables, 0/358 constraints. Problems are: Problem set: 0 solved, 233 unsolved
No progress, stopping.
After SMT solving in domain Real declared 833/834 variables, and 358 constraints, problems are : Problem set: 0 solved, 233 unsolved in 25463 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 344/344 constraints, PredecessorRefiner: 233/233 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 233 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/332 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 233 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/332 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 233 unsolved
At refinement iteration 2 (OVERLAPS) 12/344 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 233 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/344 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 233 unsolved
At refinement iteration 4 (OVERLAPS) 489/833 variables, 344/358 constraints. Problems are: Problem set: 0 solved, 233 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/833 variables, 233/591 constraints. Problems are: Problem set: 0 solved, 233 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/833 variables, 0/591 constraints. Problems are: Problem set: 0 solved, 233 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 833/834 variables, and 591 constraints, problems are : Problem set: 0 solved, 233 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 344/344 constraints, PredecessorRefiner: 233/233 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 55540ms problems are : Problem set: 0 solved, 233 unsolved
Search for dead transitions found 0 dead transitions in 55541ms
Starting structural reductions in SI_LTL mode, iteration 1 : 344/630 places, 513/826 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 57138 ms. Remains : 344/630 places, 513/826 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 74 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-12b-LTLCardinality-14
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-12b-LTLCardinality-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-12b-LTLCardinality-14 finished in 57239 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(G(p0))||(X(G(p2))&&p1))))'
Support contains 4 out of 630 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 630/630 places, 826/826 transitions.
Discarding 18 places :
Symmetric choice reduction at 0 with 18 rule applications. Total rules 18 place count 612 transition count 808
Iterating global reduction 0 with 18 rules applied. Total rules applied 36 place count 612 transition count 808
Discarding 16 places :
Symmetric choice reduction at 0 with 16 rule applications. Total rules 52 place count 596 transition count 792
Iterating global reduction 0 with 16 rules applied. Total rules applied 68 place count 596 transition count 792
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 78 place count 596 transition count 782
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 83 place count 591 transition count 777
Iterating global reduction 1 with 5 rules applied. Total rules applied 88 place count 591 transition count 777
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 92 place count 591 transition count 773
Applied a total of 92 rules in 61 ms. Remains 591 /630 variables (removed 39) and now considering 773/826 (removed 53) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14257545757085792315.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14717247893944849647.kers'
[2026-05-27 14:49:27] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14257545757085792315.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14717247893944849647.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 773 rows 591 cols 2219 entries
Finished phase 1 with 577 SingleSign rule and 0 generalized
[2026-05-27 14:49:27] [INFO ] Computed 14 invariants in 4 ms
Computed 14 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-14717247893944849647.kers
Total runtime 5 ms.
[2026-05-27 14:49:27] [INFO ] Implicit Places using invariants in 580 ms returned []
[2026-05-27 14:49:27] [INFO ] Invariant cache hit.
[2026-05-27 14:49:28] [INFO ] Implicit Places using invariants and state equation in 920 ms returned []
Implicit Place search using SMT with State Equation took 1503 ms to find 0 implicit places.
Running 772 sub problems to find dead transitions.
[2026-05-27 14:49:28] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/590 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 772 unsolved
At refinement iteration 1 (OVERLAPS) 1/591 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 772 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 591/1364 variables, and 14 constraints, problems are : Problem set: 0 solved, 772 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 0/591 constraints, PredecessorRefiner: 772/772 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 772 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/590 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 772 unsolved
At refinement iteration 1 (OVERLAPS) 1/591 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 772 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 591/1364 variables, and 14 constraints, problems are : Problem set: 0 solved, 772 unsolved in 30033 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 0/591 constraints, PredecessorRefiner: 0/772 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60225ms problems are : Problem set: 0 solved, 772 unsolved
Search for dead transitions found 0 dead transitions in 60227ms
Starting structural reductions in LTL mode, iteration 1 : 591/630 places, 773/826 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61795 ms. Remains : 591/630 places, 773/826 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(G(p0))||(X(G(p2))&&p1))))'
Stuttering acceptance computed with spot in 282 ms :[true, (NOT p0), (NOT p2), (AND (NOT p0) (NOT p2)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)))]
Running random walk in product with property : FlexibleBarrier-PT-12b-LTLCardinality-15
Product exploration explored 100000 steps with 1131 reset in 200 ms.
Product exploration explored 100000 steps with 1129 reset in 217 ms.
Computed a total of 15 stabilizing places and 15 stable transitions
Computed a total of 15 stabilizing places and 15 stable transitions
Knowledge based reduction with 8 factoid took 56 ms. Reduced automaton from 6 states, 12 edges and 3 AP (stutter sensitive) to 4 states, 5 edges and 1 AP (stutter sensitive).
RANDOM walk for 40000 steps (448 resets) in 112 ms. (353 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (49 resets) in 35 ms. (1111 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 614564 steps, run timeout after 3001 ms. (steps per millisecond=204 ) properties seen :0 out of 1
Probabilistic random walk after 614564 steps, saw 162930 distinct states, run finished after 3001 ms. (steps per millisecond=204 ) properties seen :0
[2026-05-27 14:50:32] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 166/168 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/168 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 423/591 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/591 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 773/1364 variables, 591/605 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1364 variables, 0/605 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/1364 variables, 0/605 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1364/1364 variables, and 605 constraints, problems are : Problem set: 0 solved, 1 unsolved in 400 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 591/591 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 166/168 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/168 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 423/591 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/591 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/591 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 773/1364 variables, 591/606 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1364 variables, 1/607 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1364 variables, 0/607 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/1364 variables, 0/607 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1364/1364 variables, and 607 constraints, problems are : Problem set: 0 solved, 1 unsolved in 942 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 591/591 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1349ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 88 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=88 )
Parikh walk visited 1 properties in 1 ms.
Knowledge based reduction with 8 factoid took 78 ms. Reduced automaton from 4 states, 5 edges and 1 AP (stutter sensitive) to 4 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 147 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Knowledge-based reduction took 4699 ms.
Stuttering acceptance computed with spot in 132 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Support contains 2 out of 591 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 591/591 places, 773/773 transitions.
Applied a total of 0 rules in 18 ms. Remains 591 /591 variables (removed 0) and now considering 773/773 (removed 0) transitions.
[2026-05-27 14:50:34] [INFO ] Invariant cache hit.
[2026-05-27 14:50:35] [INFO ] Implicit Places using invariants in 745 ms returned []
[2026-05-27 14:50:35] [INFO ] Invariant cache hit.
[2026-05-27 14:50:36] [INFO ] Implicit Places using invariants and state equation in 906 ms returned []
Implicit Place search using SMT with State Equation took 1654 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1673 ms. Remains : 591/591 places, 773/773 transitions.
Computed a total of 15 stabilizing places and 15 stable transitions
Computed a total of 15 stabilizing places and 15 stable transitions
Knowledge based reduction with 2 factoid took 62 ms. Reduced automaton from 4 states, 5 edges and 1 AP (stutter sensitive) to 4 states, 5 edges and 1 AP (stutter sensitive).
RANDOM walk for 40000 steps (447 resets) in 141 ms. (281 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (49 resets) in 30 ms. (1290 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 620575 steps, run timeout after 3001 ms. (steps per millisecond=206 ) properties seen :0 out of 1
Probabilistic random walk after 620575 steps, saw 164715 distinct states, run finished after 3001 ms. (steps per millisecond=206 ) properties seen :0
[2026-05-27 14:50:39] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 166/168 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/168 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 423/591 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/591 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 773/1364 variables, 591/605 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1364 variables, 0/605 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/1364 variables, 0/605 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1364/1364 variables, and 605 constraints, problems are : Problem set: 0 solved, 1 unsolved in 399 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 591/591 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 166/168 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/168 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 423/591 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/591 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/591 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 773/1364 variables, 591/606 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1364 variables, 1/607 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1364 variables, 0/607 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/1364 variables, 0/607 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1364/1364 variables, and 607 constraints, problems are : Problem set: 0 solved, 1 unsolved in 747 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 591/591 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1152ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 88 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=44 )
Parikh walk visited 1 properties in 1 ms.
Knowledge based reduction with 2 factoid took 58 ms. Reduced automaton from 4 states, 5 edges and 1 AP (stutter sensitive) to 4 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 109 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Knowledge-based reduction took 4443 ms.
Stuttering acceptance computed with spot in 109 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 108 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 1132 reset in 201 ms.
Product exploration explored 100000 steps with 1128 reset in 213 ms.
Spot run failed in 56 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/ltsmin11942379567831753022
[2026-05-27 14:50:41] [INFO ] Built C files in 13ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin11942379567831753022
Running compilation step : cd /tmp/ltsmin11942379567831753022;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 2012 ms.
Running link step : cd /tmp/ltsmin11942379567831753022;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 44 ms.
Running LTSmin : cd /tmp/ltsmin11942379567831753022;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--hoa' '/tmp/stateBased10811041456527696650.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 2 out of 591 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 591/591 places, 773/773 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 589 transition count 771
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 589 transition count 771
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 588 transition count 770
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 588 transition count 770
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 587 transition count 769
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 587 transition count 769
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 9 place count 587 transition count 768
Applied a total of 9 rules in 56 ms. Remains 587 /591 variables (removed 4) and now considering 768/773 (removed 5) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12310937941107628761.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1305068741624482092.kers'
[2026-05-27 14:50:56] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12310937941107628761.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1305068741624482092.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 768 rows 587 cols 2205 entries
Finished phase 1 with 573 SingleSign rule and 0 generalized
[2026-05-27 14:50:56] [INFO ] Computed 14 invariants in 4 ms
Computed 14 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-1305068741624482092.kers
Total runtime 5 ms.
[2026-05-27 14:50:56] [INFO ] Implicit Places using invariants in 644 ms returned []
[2026-05-27 14:50:56] [INFO ] Invariant cache hit.
[2026-05-27 14:50:57] [INFO ] Implicit Places using invariants and state equation in 961 ms returned []
Implicit Place search using SMT with State Equation took 1607 ms to find 0 implicit places.
Running 767 sub problems to find dead transitions.
[2026-05-27 14:50:57] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/586 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 767 unsolved
At refinement iteration 1 (OVERLAPS) 1/587 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 767 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 587/1355 variables, and 14 constraints, problems are : Problem set: 0 solved, 767 unsolved in 30032 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 0/587 constraints, PredecessorRefiner: 767/767 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 767 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/586 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 767 unsolved
At refinement iteration 1 (OVERLAPS) 1/587 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 767 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 587/1355 variables, and 14 constraints, problems are : Problem set: 0 solved, 767 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 0/587 constraints, PredecessorRefiner: 0/767 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60222ms problems are : Problem set: 0 solved, 767 unsolved
Search for dead transitions found 0 dead transitions in 60226ms
Starting structural reductions in LTL mode, iteration 1 : 587/591 places, 768/773 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61891 ms. Remains : 587/591 places, 768/773 transitions.
Built C files in :
/tmp/ltsmin4584548391946999426
[2026-05-27 14:51:58] [INFO ] Built C files in 10ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin4584548391946999426
Running compilation step : cd /tmp/ltsmin4584548391946999426;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 1854 ms.
Running link step : cd /tmp/ltsmin4584548391946999426;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 42 ms.
Running LTSmin : cd /tmp/ltsmin4584548391946999426;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--hoa' '/tmp/stateBased1027666284951196876.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2026-05-27 14:52:13] [INFO ] Flatten gal took : 29 ms
[2026-05-27 14:52:13] [INFO ] Flatten gal took : 21 ms
[2026-05-27 14:52:13] [INFO ] Time to serialize gal into /tmp/LTL4765835970261178130.gal : 6 ms
[2026-05-27 14:52:13] [INFO ] Time to serialize properties into /tmp/LTL15621794783072854824.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL4765835970261178130.gal' '-t' 'CGAL' '-hoa' '/tmp/aut15370509999716130596.hoa' '-atoms' '/tmp/LTL15621794783072854824.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...319
Loading property file /tmp/LTL15621794783072854824.prop.
Loaded 1 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut15370509999716130596.hoa
Detected timeout of ITS tools.
[2026-05-27 14:52:28] [INFO ] Flatten gal took : 17 ms
[2026-05-27 14:52:28] [INFO ] Flatten gal took : 17 ms
[2026-05-27 14:52:28] [INFO ] Time to serialize gal into /tmp/LTL6450899843237686533.gal : 5 ms
[2026-05-27 14:52:28] [INFO ] Time to serialize properties into /tmp/LTL17838733718905834150.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/LTL6450899843237686533.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL17838733718905834150.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...276
Read 1 LTL properties
Checking formula 0 : !((X((X(G("((p1405==0)||(p1157==1))")))||(("((p800==0)&&(p1182==1))")&&(X(G("((p1182==0)||(p800==1))")))))))
Formula 0 simplified : X(XF!"((p1405==0)||(p1157==1))" & (!"((p800==0)&&(p1182==1))" | XF!"((p1182==0)||(p800==1))"))
Detected timeout of ITS tools.
[2026-05-27 14:52:43] [INFO ] Flatten gal took : 21 ms
[2026-05-27 14:52:43] [INFO ] Applying decomposition
[2026-05-27 14:52:43] [INFO ] Flatten gal took : 16 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/graph15084182201648033736.txt' '-o' '/tmp/graph15084182201648033736.bin' '-w' '/tmp/graph15084182201648033736.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph15084182201648033736.bin' '-l' '-1' '-v' '-w' '/tmp/graph15084182201648033736.weights' '-q' '0' '-e' '0.001'
[2026-05-27 14:52:43] [INFO ] Decomposing Gal with order
[2026-05-27 14:52:43] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-27 14:52:43] [INFO ] Removed a total of 216 redundant transitions.
[2026-05-27 14:52:43] [INFO ] Flatten gal took : 115 ms
[2026-05-27 14:52:43] [INFO ] Fuse similar labels procedure discarded/fused a total of 6 labels/synchronizations in 40 ms.
[2026-05-27 14:52:43] [INFO ] Time to serialize gal into /tmp/LTL759823366232618201.gal : 17 ms
[2026-05-27 14:52:43] [INFO ] Time to serialize properties into /tmp/LTL11961847120028837366.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/LTL759823366232618201.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL11961847120028837366.ltl' '-c' '-stutter-deadlock'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...254
Read 1 LTL properties
Checking formula 0 : !((X((X(G("((u131.p1405==0)||(i12.u107.p1157==1))")))||(("((i1.i1.i1.u75.p800==0)&&(i13.i1.i0.u111.p1182==1))")&&(X(G("((i13.i1.i0.u11...199
Formula 0 simplified : X(XF!"((u131.p1405==0)||(i12.u107.p1157==1))" & (!"((i1.i1.i1.u75.p800==0)&&(i13.i1.i0.u111.p1182==1))" | XF!"((i13.i1.i0.u111.p1182...187
Detected timeout of ITS tools.
Treatment of property FlexibleBarrier-PT-12b-LTLCardinality-15 finished in 211805 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(G(p0)))))'
Spot run failed in 52 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/senseclsl.py", line 2, in
import spot, sys
ModuleNotFoundError: No module named 'spot'
Warning : SL/CL computation failed.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(G(p0))||(X(G(p2))&&p1))))'
Spot run failed in 47 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 14:52:59] [INFO ] Flatten gal took : 15 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin6425821021941681623
[2026-05-27 14:52:59] [INFO ] Computing symmetric may disable matrix : 826 transitions.
[2026-05-27 14:52:59] [INFO ] Applying decomposition
[2026-05-27 14:52:59] [INFO ] Computation of Complete disable matrix. took 7 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-27 14:52:59] [INFO ] Flatten gal took : 15 ms
[2026-05-27 14:52:59] [INFO ] Computing symmetric may enable matrix : 826 transitions.
[2026-05-27 14:52:59] [INFO ] Computation of Complete enable matrix. took 4 ms. Total solver calls (SAT/UNSAT): 0(0/0)
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/graph14451741312725524343.txt' '-o' '/tmp/graph14451741312725524343.bin' '-w' '/tmp/graph14451741312725524343.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph14451741312725524343.bin' '-l' '-1' '-v' '-w' '/tmp/graph14451741312725524343.weights' '-q' '0' '-e' '0.001'
[2026-05-27 14:52:59] [INFO ] Decomposing Gal with order
[2026-05-27 14:52:59] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-27 14:52:59] [INFO ] Removed a total of 242 redundant transitions.
[2026-05-27 14:52:59] [INFO ] Computing Do-Not-Accords matrix : 826 transitions.
[2026-05-27 14:52:59] [INFO ] Flatten gal took : 115 ms
[2026-05-27 14:52:59] [INFO ] Computation of Completed DNA matrix. took 62 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-27 14:52:59] [INFO ] Built C files in 311ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin6425821021941681623
Running compilation step : cd /tmp/ltsmin6425821021941681623;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '360' '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 14:52:59] [INFO ] Fuse similar labels procedure discarded/fused a total of 19 labels/synchronizations in 24 ms.
[2026-05-27 14:52:59] [INFO ] Time to serialize gal into /tmp/LTLCardinality14922785278297365196.gal : 23 ms
[2026-05-27 14:52:59] [INFO ] Time to serialize properties into /tmp/LTLCardinality5461125972997612410.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/LTLCardinality14922785278297365196.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLCardinality5461125972997612410.ltl' '-c' '-stutter-deadlock'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...277
Read 2 LTL properties
Checking formula 0 : !((X(X(X(G("((i8.i1.i1.u79.p803==0)||(i5.u39.p364==1))"))))))
Formula 0 simplified : XXXF!"((i8.i1.i1.u79.p803==0)||(i5.u39.p364==1))"
Compilation finished in 3448 ms.
Running link step : cd /tmp/ltsmin6425821021941681623;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 52 ms.
Running LTSmin : cd /tmp/ltsmin6425821021941681623;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--ltl' 'X(X(X([]((LTLAPp0==true)))))' '--buchi-type=spotba'
WARNING : LTSmin timed out (>900 s) on command cd /tmp/ltsmin6425821021941681623;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--ltl' 'X(X(X([]((LTLAPp0==true)))))' '--buchi-type=spotba'
Running LTSmin : cd /tmp/ltsmin6425821021941681623;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--ltl' 'X((X([]((LTLAPp1==true)))||(X([]((LTLAPp3==true)))&&(LTLAPp2==true))))' '--buchi-type=spotba'
Detected timeout of ITS tools.
[2026-05-27 15:18:15] [INFO ] Applying decomposition
[2026-05-27 15:18:15] [INFO ] Flatten gal took : 19 ms
[2026-05-27 15:18:15] [INFO ] Decomposing Gal with order
[2026-05-27 15:18:15] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-27 15:18:15] [INFO ] Removed a total of 208 redundant transitions.
[2026-05-27 15:18:15] [INFO ] Flatten gal took : 61 ms
[2026-05-27 15:18:15] [INFO ] Fuse similar labels procedure discarded/fused a total of 609 labels/synchronizations in 65 ms.
[2026-05-27 15:18:15] [INFO ] Time to serialize gal into /tmp/LTLCardinality5160229536715682264.gal : 11 ms
[2026-05-27 15:18:15] [INFO ] Time to serialize properties into /tmp/LTLCardinality3474217685118347406.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/LTLCardinality5160229536715682264.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLCardinality3474217685118347406.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 2 LTL properties
Checking formula 0 : !((X(X(X(G("((i0.i0.i0.i0.i0.i0.u18.p803==0)||(i0.i0.i0.i0.i0.i0.i0.i0.i0.u15.p364==1))"))))))
Formula 0 simplified : XXXF!"((i0.i0.i0.i0.i0.i0.u18.p803==0)||(i0.i0.i0.i0.i0.i0.i0.i0.i0.u15.p364==1))"
WARNING : LTSmin timed out (>900 s) on command cd /tmp/ltsmin6425821021941681623;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--ltl' 'X((X([]((LTLAPp1==true)))||(X([]((LTLAPp3==true)))&&(LTLAPp2==true))))' '--buchi-type=spotba'
Retrying LTSmin with larger timeout 14400 s
Running LTSmin : cd /tmp/ltsmin6425821021941681623;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--ltl' 'X(X(X([]((LTLAPp0==true)))))' '--buchi-type=spotba'
BK_TIME_CONFINEMENT_REACHED
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ 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-12b"
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-12b, 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-177955809100379"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-12b.tgz
mv FlexibleBarrier-PT-12b 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 ;