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 |
| 813.792 | 708184.00 | 868206.00 | 1949.00 | FTFFFFFFFFFFFFFF | 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-177955809100380.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 LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r130-smll-177955809100380
=====================================================================
--------------------
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
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-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-LTLFireability-00
FORMULA_NAME FlexibleBarrier-PT-12b-LTLFireability-01
FORMULA_NAME FlexibleBarrier-PT-12b-LTLFireability-02
FORMULA_NAME FlexibleBarrier-PT-12b-LTLFireability-03
FORMULA_NAME FlexibleBarrier-PT-12b-LTLFireability-04
FORMULA_NAME FlexibleBarrier-PT-12b-LTLFireability-05
FORMULA_NAME FlexibleBarrier-PT-12b-LTLFireability-06
FORMULA_NAME FlexibleBarrier-PT-12b-LTLFireability-07
FORMULA_NAME FlexibleBarrier-PT-12b-LTLFireability-08
FORMULA_NAME FlexibleBarrier-PT-12b-LTLFireability-09
FORMULA_NAME FlexibleBarrier-PT-12b-LTLFireability-10
FORMULA_NAME FlexibleBarrier-PT-12b-LTLFireability-11
FORMULA_NAME FlexibleBarrier-PT-12b-LTLFireability-12
FORMULA_NAME FlexibleBarrier-PT-12b-LTLFireability-13
FORMULA_NAME FlexibleBarrier-PT-12b-LTLFireability-14
FORMULA_NAME FlexibleBarrier-PT-12b-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1779894717064
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
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
LTLFireability PT
Running Version 202604301425
[2026-05-27 15:11:59] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-27 15:11:59] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-27 15:12:00] [INFO ] Load time of PNML (sax parser for PT used): 372 ms
[2026-05-27 15:12:00] [INFO ] Transformed 1988 places.
[2026-05-27 15:12:00] [INFO ] Transformed 2289 transitions.
[2026-05-27 15:12:00] [INFO ] Found NUPN structural information;
[2026-05-27 15:12:00] [INFO ] Parsed PT model containing 1988 places and 2289 transitions and 5727 arcs in 615 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 22 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
FORMULA FlexibleBarrier-PT-12b-LTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-12b-LTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-12b-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-12b-LTLFireability-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 42 out of 1988 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1988/1988 places, 2289/2289 transitions.
Discarding 783 places :
Symmetric choice reduction at 0 with 783 rule applications. Total rules 783 place count 1205 transition count 1506
Iterating global reduction 0 with 783 rules applied. Total rules applied 1566 place count 1205 transition count 1506
Discarding 357 places :
Symmetric choice reduction at 0 with 357 rule applications. Total rules 1923 place count 848 transition count 1149
Iterating global reduction 0 with 357 rules applied. Total rules applied 2280 place count 848 transition count 1149
Discarding 225 places :
Symmetric choice reduction at 0 with 225 rule applications. Total rules 2505 place count 623 transition count 924
Iterating global reduction 0 with 225 rules applied. Total rules applied 2730 place count 623 transition count 924
Ensure Unique test removed 109 transitions
Reduce isomorphic transitions removed 109 transitions.
Iterating post reduction 0 with 109 rules applied. Total rules applied 2839 place count 623 transition count 815
Applied a total of 2839 rules in 668 ms. Remains 623 /1988 variables (removed 1365) and now considering 815/2289 (removed 1474) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4413080981351496409.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2832670776218615199.kers'
[2026-05-27 15:12:01] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4413080981351496409.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2832670776218615199.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 815 rows 623 cols 2343 entries
Finished phase 1 with 609 SingleSign rule and 0 generalized
[2026-05-27 15:12:01] [INFO ] Computed 14 invariants in 5 ms
Computed 14 P flows in 7 ms.
Exported basis to /tmp/petrispot-output-2832670776218615199.kers
Total runtime 8 ms.
[2026-05-27 15:12:02] [INFO ] Implicit Places using invariants in 1229 ms returned []
[2026-05-27 15:12:02] [INFO ] Invariant cache hit.
[2026-05-27 15:12:04] [INFO ] Implicit Places using invariants and state equation in 1426 ms returned []
Implicit Place search using SMT with State Equation took 2831 ms to find 0 implicit places.
Running 814 sub problems to find dead transitions.
[2026-05-27 15:12:04] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/622 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 814 unsolved
SMT process timed out in 30736ms, After SMT, problems are : Problem set: 0 solved, 814 unsolved
Search for dead transitions found 0 dead transitions in 30768ms
Starting structural reductions in LTL mode, iteration 1 : 623/1988 places, 815/2289 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 34336 ms. Remains : 623/1988 places, 815/2289 transitions.
Starting structural reductions in LTL mode, iteration 0 : 623/623 places, 815/815 transitions.
Applied a total of 0 rules in 32 ms. Remains 623 /623 variables (removed 0) and now considering 815/815 (removed 0) transitions.
[2026-05-27 15:12:35] [INFO ] Invariant cache hit.
[2026-05-27 15:12:36] [INFO ] Implicit Places using invariants in 914 ms returned []
[2026-05-27 15:12:36] [INFO ] Invariant cache hit.
[2026-05-27 15:12:37] [INFO ] Implicit Places using invariants and state equation in 1218 ms returned []
Implicit Place search using SMT with State Equation took 2147 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 2181 ms. Remains : 623/623 places, 815/815 transitions.
Support contains 42 out of 623 places after structural reductions.
[2026-05-27 15:12:37] [INFO ] Flatten gal took : 182 ms
[2026-05-27 15:12:37] [INFO ] Flatten gal took : 71 ms
[2026-05-27 15:12:38] [INFO ] Input system was already deterministic with 815 transitions.
RANDOM walk for 40000 steps (452 resets) in 1863 ms. (21 steps per ms) remains 20/31 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4002 steps (8 resets) in 17 ms. (222 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4003 steps (8 resets) in 26 ms. (148 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4003 steps (8 resets) in 17 ms. (222 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4002 steps (8 resets) in 15 ms. (250 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 34 ms. (114 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4002 steps (8 resets) in 11 ms. (333 steps per ms) remains 19/20 properties
BEST_FIRST walk for 4003 steps (8 resets) in 16 ms. (235 steps per ms) remains 17/19 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (8 resets) in 9 ms. (400 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (8 resets) in 20 ms. (190 steps per ms) remains 17/17 properties
[2026-05-27 15:12:38] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (OVERLAPS) 482/507 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/507 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (OVERLAPS) 116/623 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/623 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (OVERLAPS) 815/1438 variables, 623/637 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1438 variables, 0/637 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (OVERLAPS) 0/1438 variables, 0/637 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1438/1438 variables, and 637 constraints, problems are : Problem set: 0 solved, 17 unsolved in 1797 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 623/623 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 17 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (OVERLAPS) 482/507 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/507 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/507 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (OVERLAPS) 116/623 variables, 4/16 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/623 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/623 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (OVERLAPS) 815/1438 variables, 623/641 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1438 variables, 17/658 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1438 variables, 0/658 constraints. Problems are: Problem set: 0 solved, 17 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1438/1438 variables, and 658 constraints, problems are : Problem set: 0 solved, 17 unsolved in 5012 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 623/623 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6827ms problems are : Problem set: 0 solved, 17 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 25 out of 623 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 623/623 places, 815/815 transitions.
Graph (trivial) has 537 edges and 623 vertex of which 61 / 623 are part of one of the 10 SCC in 10 ms
Free SCC test removed 51 places
Drop transitions (Empty/Sink Transition effects.) removed 62 transitions
Reduce isomorphic transitions removed 62 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 51 transitions
Trivial Post-agglo rules discarded 51 transitions
Performed 51 trivial Post agglomeration. Transition count delta: 51
Iterating post reduction 0 with 51 rules applied. Total rules applied 52 place count 572 transition count 702
Reduce places removed 51 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 53 rules applied. Total rules applied 105 place count 521 transition count 700
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 107 place count 519 transition count 700
Performed 28 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 28 Pre rules applied. Total rules applied 107 place count 519 transition count 672
Deduced a syphon composed of 28 places in 1 ms
Reduce places removed 28 places and 0 transitions.
Iterating global reduction 3 with 56 rules applied. Total rules applied 163 place count 491 transition count 672
Discarding 21 places :
Symmetric choice reduction at 3 with 21 rule applications. Total rules 184 place count 470 transition count 651
Iterating global reduction 3 with 21 rules applied. Total rules applied 205 place count 470 transition count 651
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 206 place count 470 transition count 650
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 206 place count 470 transition count 649
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 208 place count 469 transition count 649
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 211 place count 466 transition count 646
Iterating global reduction 4 with 3 rules applied. Total rules applied 214 place count 466 transition count 646
Performed 82 Post agglomeration using F-continuation condition.Transition count delta: 82
Deduced a syphon composed of 82 places in 1 ms
Reduce places removed 82 places and 0 transitions.
Iterating global reduction 4 with 164 rules applied. Total rules applied 378 place count 384 transition count 564
Drop transitions (Empty/Sink Transition effects.) removed 21 transitions
Reduce isomorphic transitions removed 21 transitions.
Iterating post reduction 4 with 21 rules applied. Total rules applied 399 place count 384 transition count 543
Discarding 12 places :
Symmetric choice reduction at 5 with 12 rule applications. Total rules 411 place count 372 transition count 531
Iterating global reduction 5 with 12 rules applied. Total rules applied 423 place count 372 transition count 531
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 424 place count 372 transition count 530
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 2 places in 3 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 6 with 4 rules applied. Total rules applied 428 place count 370 transition count 530
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 6 with 4 rules applied. Total rules applied 432 place count 370 transition count 526
Free-agglomeration rule applied 257 times.
Iterating global reduction 6 with 257 rules applied. Total rules applied 689 place count 370 transition count 269
Reduce places removed 257 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 70 transitions
Reduce isomorphic transitions removed 70 transitions.
Iterating post reduction 6 with 327 rules applied. Total rules applied 1016 place count 113 transition count 199
Drop transitions (Redundant composition of simpler transitions.) removed 7 transitions
Redundant transition composition rules discarded 7 transitions
Iterating global reduction 7 with 7 rules applied. Total rules applied 1023 place count 113 transition count 192
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 7 with 2 rules applied. Total rules applied 1025 place count 113 transition count 192
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 7 with 1 rules applied. Total rules applied 1026 place count 112 transition count 191
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Remove reverse transitions (loop back) rule discarded transition t5.t422.t630.t419.t420.t406 and 1 places that fell out of Prefix Of Interest.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Graph (trivial) has 58 edges and 110 vertex of which 14 / 110 are part of one of the 7 SCC in 1 ms
Free SCC test removed 7 places
Iterating post reduction 7 with 3 rules applied. Total rules applied 1029 place count 103 transition count 189
Drop transitions (Empty/Sink Transition effects.) removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 8 with 14 rules applied. Total rules applied 1043 place count 103 transition count 175
Performed 13 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 9 with 13 Pre rules applied. Total rules applied 1043 place count 103 transition count 162
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 9 with 26 rules applied. Total rules applied 1069 place count 90 transition count 162
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 9 with 12 rules applied. Total rules applied 1081 place count 90 transition count 150
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: 18
Deduced a syphon composed of 18 places in 0 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 10 with 36 rules applied. Total rules applied 1117 place count 72 transition count 132
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 1118 place count 72 transition count 131
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 11 with 1 rules applied. Total rules applied 1119 place count 72 transition count 130
Free-agglomeration rule applied 9 times.
Iterating global reduction 11 with 9 rules applied. Total rules applied 1128 place count 72 transition count 121
Reduce places removed 12 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 11 with 25 rules applied. Total rules applied 1153 place count 60 transition count 108
Discarding 2 places :
Symmetric choice reduction at 12 with 2 rule applications. Total rules 1155 place count 58 transition count 106
Iterating global reduction 12 with 2 rules applied. Total rules applied 1157 place count 58 transition count 106
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 12 with 2 rules applied. Total rules applied 1159 place count 58 transition count 104
Drop transitions (Redundant composition of simpler transitions.) removed 18 transitions
Redundant transition composition rules discarded 18 transitions
Iterating global reduction 13 with 18 rules applied. Total rules applied 1177 place count 58 transition count 86
Applied a total of 1177 rules in 693 ms. Remains 58 /623 variables (removed 565) and now considering 86/815 (removed 729) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 693 ms. Remains : 58/623 places, 86/815 transitions.
RANDOM walk for 10690 steps (311 resets) in 222 ms. (47 steps per ms) remains 0/17 properties
Computed a total of 14 stabilizing places and 14 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(G(p0))&&F((X(p2)||p1))))'
Support contains 4 out of 623 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 623/623 places, 815/815 transitions.
Discarding 18 places :
Symmetric choice reduction at 0 with 18 rule applications. Total rules 18 place count 605 transition count 797
Iterating global reduction 0 with 18 rules applied. Total rules applied 36 place count 605 transition count 797
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 39 place count 605 transition count 794
Discarding 12 places :
Symmetric choice reduction at 1 with 12 rule applications. Total rules 51 place count 593 transition count 782
Iterating global reduction 1 with 12 rules applied. Total rules applied 63 place count 593 transition count 782
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 69 place count 593 transition count 776
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 73 place count 589 transition count 772
Iterating global reduction 2 with 4 rules applied. Total rules applied 77 place count 589 transition count 772
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 79 place count 589 transition count 770
Applied a total of 79 rules in 74 ms. Remains 589 /623 variables (removed 34) and now considering 770/815 (removed 45) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-18268476940349707953.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16966973665507960315.kers'
[2026-05-27 15:12:47] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-18268476940349707953.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16966973665507960315.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 770 rows 589 cols 2209 entries
Finished phase 1 with 575 SingleSign rule and 0 generalized
[2026-05-27 15:12:47] [INFO ] Computed 14 invariants in 4 ms
Computed 14 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-16966973665507960315.kers
Total runtime 5 ms.
[2026-05-27 15:12:47] [INFO ] Implicit Places using invariants in 741 ms returned []
[2026-05-27 15:12:47] [INFO ] Invariant cache hit.
[2026-05-27 15:12:49] [INFO ] Implicit Places using invariants and state equation in 1254 ms returned []
Implicit Place search using SMT with State Equation took 1999 ms to find 0 implicit places.
Running 769 sub problems to find dead transitions.
[2026-05-27 15:12:49] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/588 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 769 unsolved
SMT process timed out in 30362ms, After SMT, problems are : Problem set: 0 solved, 769 unsolved
Search for dead transitions found 0 dead transitions in 30367ms
Starting structural reductions in LTL mode, iteration 1 : 589/623 places, 770/815 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 32445 ms. Remains : 589/623 places, 770/815 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(G(p0))&&F((X(p2)||p1))))'
Stuttering acceptance computed with spot in 530 ms :[(NOT p0), true, (OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2)))]
Running random walk in product with property : FlexibleBarrier-PT-12b-LTLFireability-00
Product exploration explored 100000 steps with 1125 reset in 670 ms.
Product exploration explored 100000 steps with 1132 reset in 415 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 11 factoid took 82 ms. Reduced automaton from 4 states, 8 edges and 3 AP (stutter sensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
RANDOM walk for 40000 steps (449 resets) in 225 ms. (176 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (49 resets) in 38 ms. (1025 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 572196 steps, run timeout after 3001 ms. (steps per millisecond=190 ) properties seen :0 out of 1
Probabilistic random walk after 572196 steps, saw 152650 distinct states, run finished after 3010 ms. (steps per millisecond=190 ) properties seen :0
[2026-05-27 15:13:24] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 128/129 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/129 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 460/589 variables, 13/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/589 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 770/1359 variables, 589/603 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1359 variables, 0/603 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/1359 variables, 0/603 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1359/1359 variables, and 603 constraints, problems are : Problem set: 0 solved, 1 unsolved in 604 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 589/589 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 128/129 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/129 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 460/589 variables, 13/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/589 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/589 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 770/1359 variables, 589/604 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1359 variables, 1/605 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1359 variables, 0/605 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/1359 variables, 0/605 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1359/1359 variables, and 605 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1259 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 589/589 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1878ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 53 ms.
Support contains 1 out of 589 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 589/589 places, 770/770 transitions.
Graph (trivial) has 549 edges and 589 vertex of which 73 / 589 are part of one of the 12 SCC in 3 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 58 transitions
Trivial Post-agglo rules discarded 58 transitions
Performed 58 trivial Post agglomeration. Transition count delta: 58
Iterating post reduction 0 with 58 rules applied. Total rules applied 59 place count 528 transition count 638
Reduce places removed 58 places and 0 transitions.
Iterating post reduction 1 with 58 rules applied. Total rules applied 117 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 117 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 169 place count 444 transition count 612
Discarding 24 places :
Symmetric choice reduction at 2 with 24 rule applications. Total rules 193 place count 420 transition count 588
Iterating global reduction 2 with 24 rules applied. Total rules applied 217 place count 420 transition count 588
Performed 76 Post agglomeration using F-continuation condition.Transition count delta: 76
Deduced a syphon composed of 76 places in 0 ms
Reduce places removed 76 places and 0 transitions.
Iterating global reduction 2 with 152 rules applied. Total rules applied 369 place count 344 transition count 512
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 393 place count 344 transition count 488
Discarding 13 places :
Symmetric choice reduction at 3 with 13 rule applications. Total rules 406 place count 331 transition count 475
Iterating global reduction 3 with 13 rules applied. Total rules applied 419 place count 331 transition count 475
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 420 place count 331 transition count 474
Free-agglomeration rule applied 266 times.
Iterating global reduction 4 with 266 rules applied. Total rules applied 686 place count 331 transition count 208
Reduce places removed 266 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 120 transitions
Reduce isomorphic transitions removed 120 transitions.
Graph (complete) has 175 edges and 65 vertex of which 15 are kept as prefixes of interest. Removing 50 places using SCC suffix rule.1 ms
Discarding 50 places :
Also discarding 0 output transitions
Iterating post reduction 4 with 387 rules applied. Total rules applied 1073 place count 15 transition count 88
Drop transitions (Empty/Sink Transition effects.) removed 70 transitions
Reduce isomorphic transitions removed 70 transitions.
Iterating post reduction 5 with 70 rules applied. Total rules applied 1143 place count 15 transition count 18
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 6 with 1 rules applied. Total rules applied 1144 place count 14 transition count 17
Reduce places removed 1 places and 0 transitions.
Graph (trivial) has 10 edges and 13 vertex of which 4 / 13 are part of one of the 2 SCC in 0 ms
Free SCC test removed 2 places
Iterating post reduction 6 with 2 rules applied. Total rules applied 1146 place count 11 transition count 17
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 7 with 4 rules applied. Total rules applied 1150 place count 11 transition count 13
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 8 with 2 Pre rules applied. Total rules applied 1150 place count 11 transition count 11
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 8 with 4 rules applied. Total rules applied 1154 place count 9 transition count 11
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 8 with 2 rules applied. Total rules applied 1156 place count 9 transition count 9
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 9 with 4 rules applied. Total rules applied 1160 place count 7 transition count 7
Free-agglomeration rule applied 2 times.
Iterating global reduction 9 with 2 rules applied. Total rules applied 1162 place count 7 transition count 5
Reduce places removed 4 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 9 with 6 rules applied. Total rules applied 1168 place count 3 transition count 3
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 10 with 1 Pre rules applied. Total rules applied 1168 place count 3 transition count 2
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 10 with 2 rules applied. Total rules applied 1170 place count 2 transition count 2
Applied a total of 1170 rules in 246 ms. Remains 2 /589 variables (removed 587) and now considering 2/770 (removed 768) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 246 ms. Remains : 2/589 places, 2/770 transitions.
RANDOM walk for 4 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/1 properties
Negative knowledge disproves property using: (G p0)
Knowledge based reduction with 11 factoid took 80 ms. Proved property starting from automaton with 2 states, 3 edges and 1 AP (stutter insensitive
Knowledge-based reduction took 5502 ms.
FORMULA FlexibleBarrier-PT-12b-LTLFireability-00 FALSE TECHNIQUES NEGATIVE_KNOWLEDGE
Treatment of property FlexibleBarrier-PT-12b-LTLFireability-00 finished in 39704 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((G(F((G(F(p0))||(X(F(p0))&&(X(p1) U ((p0&&X(p1))||X(G(p1))))))))||(F(p2)&&F((G(F(p0))||(X(F(p0))&&(X(p1) U ((p0&&X(p1))||X(G(p1))))))))))))'
Support contains 3 out of 623 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 623/623 places, 815/815 transitions.
Discarding 17 places :
Symmetric choice reduction at 0 with 17 rule applications. Total rules 17 place count 606 transition count 798
Iterating global reduction 0 with 17 rules applied. Total rules applied 34 place count 606 transition count 798
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 37 place count 606 transition count 795
Discarding 12 places :
Symmetric choice reduction at 1 with 12 rule applications. Total rules 49 place count 594 transition count 783
Iterating global reduction 1 with 12 rules applied. Total rules applied 61 place count 594 transition count 783
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 1 with 5 rules applied. Total rules applied 66 place count 594 transition count 778
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 70 place count 590 transition count 774
Iterating global reduction 2 with 4 rules applied. Total rules applied 74 place count 590 transition count 774
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 76 place count 590 transition count 772
Applied a total of 76 rules in 108 ms. Remains 590 /623 variables (removed 33) and now considering 772/815 (removed 43) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-364826196215928724.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10145247348638268994.kers'
[2026-05-27 15:13:26] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-364826196215928724.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10145247348638268994.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 772 rows 590 cols 2217 entries
Finished phase 1 with 576 SingleSign rule and 0 generalized
[2026-05-27 15:13:26] [INFO ] Computed 14 invariants in 7 ms
Computed 14 P flows in 11 ms.
Exported basis to /tmp/petrispot-output-10145247348638268994.kers
Total runtime 12 ms.
[2026-05-27 15:13:27] [INFO ] Implicit Places using invariants in 572 ms returned []
[2026-05-27 15:13:27] [INFO ] Invariant cache hit.
[2026-05-27 15:13:28] [INFO ] Implicit Places using invariants and state equation in 1410 ms returned []
Implicit Place search using SMT with State Equation took 1998 ms to find 0 implicit places.
Running 771 sub problems to find dead transitions.
[2026-05-27 15:13:28] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/589 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 771 unsolved
SMT process timed out in 30280ms, After SMT, problems are : Problem set: 0 solved, 771 unsolved
Search for dead transitions found 0 dead transitions in 30287ms
Starting structural reductions in LTL mode, iteration 1 : 590/623 places, 772/815 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 32399 ms. Remains : 590/623 places, 772/815 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((G(F((G(F(p0))||(X(F(p0))&&(X(p1) U ((p0&&X(p1))||X(G(p1))))))))||(F(p2)&&F((G(F(p0))||(X(F(p0))&&(X(p1) U ((p0&&X(p1))||X(G(p1))))))))))))'
Stuttering acceptance computed with spot in 476 ms :[(NOT p0), (NOT p0), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p2) (NOT p0)), (NOT p0), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : FlexibleBarrier-PT-12b-LTLFireability-01
Product exploration explored 100000 steps with 25000 reset in 331 ms.
Product exploration explored 100000 steps with 25000 reset in 344 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 3 factoid took 108 ms. Reduced automaton from 9 states, 18 edges and 3 AP (stutter sensitive) to 7 states, 13 edges and 2 AP (stutter sensitive).
RANDOM walk for 40000 steps (444 resets) in 271 ms. (147 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (48 resets) in 72 ms. (547 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (48 resets) in 57 ms. (689 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (48 resets) in 90 ms. (439 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (49 resets) in 142 ms. (279 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 302361 steps, run timeout after 3001 ms. (steps per millisecond=100 ) properties seen :0 out of 4
Probabilistic random walk after 302361 steps, saw 102533 distinct states, run finished after 3001 ms. (steps per millisecond=100 ) properties seen :0
[2026-05-27 15:14:03] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 169/171 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem apf1 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/171 variables, 1/3 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/171 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 419/590 variables, 12/15 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/590 variables, 0/15 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 772/1362 variables, 590/605 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1362 variables, 0/605 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 0/1362 variables, 0/605 constraints. Problems are: Problem set: 1 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1362/1362 variables, and 605 constraints, problems are : Problem set: 1 solved, 3 unsolved in 1171 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 590/590 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 169/171 variables, 2/2 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/171 variables, 1/3 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/171 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 419/590 variables, 12/15 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/590 variables, 0/15 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 772/1362 variables, 590/605 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1362 variables, 3/608 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1362 variables, 0/608 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 0/1362 variables, 0/608 constraints. Problems are: Problem set: 1 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1362/1362 variables, and 608 constraints, problems are : Problem set: 1 solved, 3 unsolved in 821 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 590/590 constraints, PredecessorRefiner: 3/4 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2002ms problems are : Problem set: 1 solved, 3 unsolved
Finished Parikh walk after 52 steps, including 0 resets, run visited all 2 properties in 2 ms. (steps per millisecond=26 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 3 properties in 147 ms.
Found 1 invariant AP formulas.
Knowledge based reduction with 4 factoid took 89 ms. Reduced automaton from 7 states, 13 edges and 2 AP (stutter sensitive) to 5 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 200 ms :[(NOT p0), (NOT p0), (NOT p0), false, (NOT p0)]
Knowledge-based reduction took 5777 ms.
Stuttering acceptance computed with spot in 196 ms :[(NOT p0), (NOT p0), (NOT p0), false, (NOT p0)]
Support contains 2 out of 590 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 590/590 places, 772/772 transitions.
Applied a total of 0 rules in 18 ms. Remains 590 /590 variables (removed 0) and now considering 772/772 (removed 0) transitions.
[2026-05-27 15:14:06] [INFO ] Invariant cache hit.
[2026-05-27 15:14:07] [INFO ] Implicit Places using invariants in 828 ms returned []
[2026-05-27 15:14:07] [INFO ] Invariant cache hit.
[2026-05-27 15:14:08] [INFO ] Implicit Places using invariants and state equation in 1327 ms returned []
Implicit Place search using SMT with State Equation took 2157 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 2176 ms. Remains : 590/590 places, 772/772 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 51 ms. Reduced automaton from 5 states, 7 edges and 2 AP (stutter sensitive) to 5 states, 7 edges and 2 AP (stutter sensitive).
RANDOM walk for 40000 steps (451 resets) in 346 ms. (115 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (49 resets) in 109 ms. (363 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (48 resets) in 125 ms. (317 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (48 resets) in 62 ms. (634 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 297203 steps, run timeout after 3001 ms. (steps per millisecond=99 ) properties seen :0 out of 3
Probabilistic random walk after 297203 steps, saw 101481 distinct states, run finished after 3001 ms. (steps per millisecond=99 ) properties seen :0
[2026-05-27 15:14:11] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 169/171 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/171 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/171 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 419/590 variables, 12/15 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/590 variables, 5/20 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/590 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 772/1362 variables, 590/610 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1362 variables, 0/610 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 0/1362 variables, 0/610 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1362/1362 variables, and 610 constraints, problems are : Problem set: 0 solved, 3 unsolved in 2852 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 590/590 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 169/171 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/171 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/171 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 419/590 variables, 12/15 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/590 variables, 5/20 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/590 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/590 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 772/1362 variables, 590/611 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1362 variables, 3/614 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1362 variables, 0/614 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 0/1362 variables, 0/614 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1362/1362 variables, and 614 constraints, problems are : Problem set: 0 solved, 3 unsolved in 1572 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 590/590 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4435ms problems are : Problem set: 0 solved, 3 unsolved
Finished Parikh walk after 61 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=61 )
Parikh walk visited 3 properties in 64 ms.
Knowledge based reduction with 1 factoid took 105 ms. Reduced automaton from 5 states, 7 edges and 2 AP (stutter sensitive) to 5 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 230 ms :[(NOT p0), (NOT p0), (NOT p0), false, (NOT p0)]
Knowledge-based reduction took 8106 ms.
Stuttering acceptance computed with spot in 234 ms :[(NOT p0), (NOT p0), (NOT p0), false, (NOT p0)]
Stuttering acceptance computed with spot in 221 ms :[(NOT p0), (NOT p0), (NOT p0), false, (NOT p0)]
Product exploration explored 100000 steps with 25000 reset in 222 ms.
Product exploration explored 100000 steps with 25000 reset in 234 ms.
Spot run failed in 146 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/ltsmin198170446346566395
[2026-05-27 15:14:17] [INFO ] Built C files in 53ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin198170446346566395
Running compilation step : cd /tmp/ltsmin198170446346566395;'/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 2358 ms.
Running link step : cd /tmp/ltsmin198170446346566395;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 58 ms.
Running LTSmin : cd /tmp/ltsmin198170446346566395;'/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/stateBased11041843643659702598.hoa' '--buchi-type=spotba'
LTSmin run took 122 ms.
FORMULA FlexibleBarrier-PT-12b-LTLFireability-01 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property FlexibleBarrier-PT-12b-LTLFireability-01 finished in 53691 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 1 out of 623 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 623/623 places, 815/815 transitions.
Graph (trivial) has 583 edges and 623 vertex of which 73 / 623 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 63 transitions
Trivial Post-agglo rules discarded 63 transitions
Performed 63 trivial Post agglomeration. Transition count delta: 63
Iterating post reduction 0 with 63 rules applied. Total rules applied 64 place count 561 transition count 689
Reduce places removed 63 places and 0 transitions.
Iterating post reduction 1 with 63 rules applied. Total rules applied 127 place count 498 transition count 689
Performed 29 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 29 Pre rules applied. Total rules applied 127 place count 498 transition count 660
Deduced a syphon composed of 29 places in 1 ms
Reduce places removed 29 places and 0 transitions.
Iterating global reduction 2 with 58 rules applied. Total rules applied 185 place count 469 transition count 660
Discarding 41 places :
Symmetric choice reduction at 2 with 41 rule applications. Total rules 226 place count 428 transition count 619
Iterating global reduction 2 with 41 rules applied. Total rules applied 267 place count 428 transition count 619
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 270 place count 428 transition count 616
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 270 place count 428 transition count 615
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 272 place count 427 transition count 615
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 278 place count 421 transition count 609
Iterating global reduction 3 with 6 rules applied. Total rules applied 284 place count 421 transition count 609
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 3 with 6 rules applied. Total rules applied 290 place count 421 transition count 603
Performed 74 Post agglomeration using F-continuation condition.Transition count delta: 74
Deduced a syphon composed of 74 places in 0 ms
Reduce places removed 74 places and 0 transitions.
Iterating global reduction 4 with 148 rules applied. Total rules applied 438 place count 347 transition count 529
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 441 place count 344 transition count 526
Iterating global reduction 4 with 3 rules applied. Total rules applied 444 place count 344 transition count 526
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 447 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 5 with 12 rules applied. Total rules applied 459 place count 344 transition count 511
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 461 place count 342 transition count 509
Applied a total of 461 rules in 343 ms. Remains 342 /623 variables (removed 281) and now considering 509/815 (removed 306) transitions.
[2026-05-27 15:14:20] [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-16011516078133917671.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17532260536802681246.kers'
[2026-05-27 15:14:20] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16011516078133917671.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17532260536802681246.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 15:14:20] [INFO ] Computed 14 invariants in 4 ms
Computed 14 P flows in 7 ms.
Exported basis to /tmp/petrispot-output-17532260536802681246.kers
Total runtime 8 ms.
[2026-05-27 15:14:21] [INFO ] Implicit Places using invariants in 519 ms returned []
[2026-05-27 15:14:21] [INFO ] Flow matrix only has 486 transitions (discarded 23 similar events)
[2026-05-27 15:14:21] [INFO ] Invariant cache hit.
[2026-05-27 15:14:22] [INFO ] Implicit Places using invariants and state equation in 746 ms returned []
Implicit Place search using SMT with State Equation took 1269 ms to find 0 implicit places.
[2026-05-27 15:14:22] [INFO ] Redundant transitions in 50 ms returned []
Running 231 sub problems to find dead transitions.
[2026-05-27 15:14:22] [INFO ] Flow matrix only has 486 transitions (discarded 23 similar events)
[2026-05-27 15:14:22] [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")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 827/828 variables, and 356 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]
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 30019 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 60187ms problems are : Problem set: 0 solved, 231 unsolved
Search for dead transitions found 0 dead transitions in 60189ms
Starting structural reductions in SI_LTL mode, iteration 1 : 342/623 places, 509/815 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 61863 ms. Remains : 342/623 places, 509/815 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 52 ms :[(NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-12b-LTLFireability-02
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-12b-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-12b-LTLFireability-02 finished in 61952 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((F(p0) U G((X(p1) U p0))) U X((p2 U p3)))))'
Support contains 4 out of 623 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 623/623 places, 815/815 transitions.
Discarding 17 places :
Symmetric choice reduction at 0 with 17 rule applications. Total rules 17 place count 606 transition count 798
Iterating global reduction 0 with 17 rules applied. Total rules applied 34 place count 606 transition count 798
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 37 place count 606 transition count 795
Discarding 11 places :
Symmetric choice reduction at 1 with 11 rule applications. Total rules 48 place count 595 transition count 784
Iterating global reduction 1 with 11 rules applied. Total rules applied 59 place count 595 transition count 784
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 66 place count 595 transition count 777
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 68 place count 593 transition count 775
Iterating global reduction 2 with 2 rules applied. Total rules applied 70 place count 593 transition count 775
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 71 place count 593 transition count 774
Applied a total of 71 rules in 83 ms. Remains 593 /623 variables (removed 30) and now considering 774/815 (removed 41) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2275040844755509356.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8835731989699789579.kers'
[2026-05-27 15:15:22] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2275040844755509356.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8835731989699789579.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 774 rows 593 cols 2217 entries
Finished phase 1 with 579 SingleSign rule and 0 generalized
[2026-05-27 15:15:22] [INFO ] Computed 14 invariants in 8 ms
Computed 14 P flows in 8 ms.
Exported basis to /tmp/petrispot-output-8835731989699789579.kers
Total runtime 9 ms.
[2026-05-27 15:15:23] [INFO ] Implicit Places using invariants in 820 ms returned []
[2026-05-27 15:15:23] [INFO ] Invariant cache hit.
[2026-05-27 15:15:24] [INFO ] Implicit Places using invariants and state equation in 1236 ms returned []
Implicit Place search using SMT with State Equation took 2059 ms to find 0 implicit places.
Running 773 sub problems to find dead transitions.
[2026-05-27 15:15:24] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/592 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 773 unsolved
SMT process timed out in 30255ms, After SMT, problems are : Problem set: 0 solved, 773 unsolved
Search for dead transitions found 0 dead transitions in 30257ms
Starting structural reductions in LTL mode, iteration 1 : 593/623 places, 774/815 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 32401 ms. Remains : 593/623 places, 774/815 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((F(p0) U G((X(p1) U p0))) U X((p2 U p3)))))'
Stuttering acceptance computed with spot in 292 ms :[(NOT p3), (NOT p3), (NOT p3), (NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-12b-LTLFireability-03
Stuttering criterion allowed to conclude after 98 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-12b-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-12b-LTLFireability-03 finished in 32765 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 623 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 623/623 places, 815/815 transitions.
Graph (trivial) has 583 edges and 623 vertex of which 67 / 623 are part of one of the 11 SCC in 2 ms
Free SCC test removed 56 places
Ensure Unique test removed 57 transitions
Reduce isomorphic transitions removed 57 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 65 transitions
Trivial Post-agglo rules discarded 65 transitions
Performed 65 trivial Post agglomeration. Transition count delta: 65
Iterating post reduction 0 with 65 rules applied. Total rules applied 66 place count 566 transition count 692
Reduce places removed 65 places and 0 transitions.
Iterating post reduction 1 with 65 rules applied. Total rules applied 131 place count 501 transition count 692
Performed 29 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 29 Pre rules applied. Total rules applied 131 place count 501 transition count 663
Deduced a syphon composed of 29 places in 1 ms
Reduce places removed 29 places and 0 transitions.
Iterating global reduction 2 with 58 rules applied. Total rules applied 189 place count 472 transition count 663
Discarding 39 places :
Symmetric choice reduction at 2 with 39 rule applications. Total rules 228 place count 433 transition count 624
Iterating global reduction 2 with 39 rules applied. Total rules applied 267 place count 433 transition count 624
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 270 place count 433 transition count 621
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 270 place count 433 transition count 619
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 274 place count 431 transition count 619
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 281 place count 424 transition count 612
Iterating global reduction 3 with 7 rules applied. Total rules applied 288 place count 424 transition count 612
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 3 with 7 rules applied. Total rules applied 295 place count 424 transition count 605
Performed 77 Post agglomeration using F-continuation condition.Transition count delta: 77
Deduced a syphon composed of 77 places in 0 ms
Reduce places removed 77 places and 0 transitions.
Iterating global reduction 4 with 154 rules applied. Total rules applied 449 place count 347 transition count 528
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 451 place count 345 transition count 526
Iterating global reduction 4 with 2 rules applied. Total rules applied 453 place count 345 transition count 526
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 455 place count 345 transition count 524
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 457 place count 344 transition count 524
Drop transitions (Redundant composition of simpler transitions.) removed 13 transitions
Redundant transition composition rules discarded 13 transitions
Iterating global reduction 5 with 13 rules applied. Total rules applied 470 place count 344 transition count 511
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 472 place count 342 transition count 509
Applied a total of 472 rules in 296 ms. Remains 342 /623 variables (removed 281) and now considering 509/815 (removed 306) transitions.
[2026-05-27 15:15:55] [INFO ] Flow matrix only has 487 transitions (discarded 22 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11183896118902984766.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12488517909994492191.kers'
[2026-05-27 15:15:55] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11183896118902984766.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12488517909994492191.kers]
Normalized transition count is 486 out of 487 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 486 rows 341 cols 1479 entries
Finished phase 1 with 328 SingleSign rule and 0 generalized
[2026-05-27 15:15:55] [INFO ] Computed 14 invariants in 3 ms
Computed 14 P flows in 11 ms.
Exported basis to /tmp/petrispot-output-12488517909994492191.kers
Total runtime 12 ms.
[2026-05-27 15:15:56] [INFO ] Implicit Places using invariants in 675 ms returned []
[2026-05-27 15:15:56] [INFO ] Flow matrix only has 487 transitions (discarded 22 similar events)
[2026-05-27 15:15:56] [INFO ] Invariant cache hit.
[2026-05-27 15:15:56] [INFO ] Implicit Places using invariants and state equation in 862 ms returned []
Implicit Place search using SMT with State Equation took 1545 ms to find 0 implicit places.
[2026-05-27 15:15:56] [INFO ] Redundant transitions in 11 ms returned []
Running 242 sub problems to find dead transitions.
[2026-05-27 15:15:56] [INFO ] Flow matrix only has 487 transitions (discarded 22 similar events)
[2026-05-27 15:15:56] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/330 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/330 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 2 (OVERLAPS) 12/342 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/342 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 4 (OVERLAPS) 486/828 variables, 342/356 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/828 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 242 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 828/829 variables, and 356 constraints, problems are : Problem set: 0 solved, 242 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 342/342 constraints, PredecessorRefiner: 242/242 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 242 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/330 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/330 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 2 (OVERLAPS) 12/342 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/342 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 4 (OVERLAPS) 486/828 variables, 342/356 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/828 variables, 242/598 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/828 variables, 0/598 constraints. Problems are: Problem set: 0 solved, 242 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 828/829 variables, and 598 constraints, problems are : Problem set: 0 solved, 242 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 342/342 constraints, PredecessorRefiner: 242/242 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60113ms problems are : Problem set: 0 solved, 242 unsolved
Search for dead transitions found 0 dead transitions in 60114ms
Starting structural reductions in SI_LTL mode, iteration 1 : 342/623 places, 509/815 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 61976 ms. Remains : 342/623 places, 509/815 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 71 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-12b-LTLFireability-04
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-12b-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-12b-LTLFireability-04 finished in 62084 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&&X((p2&&G(F(p3))))))))'
Support contains 5 out of 623 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 623/623 places, 815/815 transitions.
Discarding 18 places :
Symmetric choice reduction at 0 with 18 rule applications. Total rules 18 place count 605 transition count 797
Iterating global reduction 0 with 18 rules applied. Total rules applied 36 place count 605 transition count 797
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 39 place count 605 transition count 794
Discarding 13 places :
Symmetric choice reduction at 1 with 13 rule applications. Total rules 52 place count 592 transition count 781
Iterating global reduction 1 with 13 rules applied. Total rules applied 65 place count 592 transition count 781
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 71 place count 592 transition count 775
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 75 place count 588 transition count 771
Iterating global reduction 2 with 4 rules applied. Total rules applied 79 place count 588 transition count 771
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 81 place count 588 transition count 769
Applied a total of 81 rules in 52 ms. Remains 588 /623 variables (removed 35) and now considering 769/815 (removed 46) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16492070252418516076.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15228331893158964031.kers'
[2026-05-27 15:16:57] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16492070252418516076.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15228331893158964031.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 15:16:57] [INFO ] Computed 14 invariants in 4 ms
Computed 14 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-15228331893158964031.kers
Total runtime 5 ms.
[2026-05-27 15:16:58] [INFO ] Implicit Places using invariants in 750 ms returned []
[2026-05-27 15:16:58] [INFO ] Invariant cache hit.
[2026-05-27 15:16:59] [INFO ] Implicit Places using invariants and state equation in 1165 ms returned []
Implicit Place search using SMT with State Equation took 1917 ms to find 0 implicit places.
Running 768 sub problems to find dead transitions.
[2026-05-27 15:16:59] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/587 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 768 unsolved
SMT process timed out in 30253ms, After SMT, problems are : Problem set: 0 solved, 768 unsolved
Search for dead transitions found 0 dead transitions in 30256ms
Starting structural reductions in LTL mode, iteration 1 : 588/623 places, 769/815 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 32229 ms. Remains : 588/623 places, 769/815 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&&X((p2&&G(F(p3))))))))'
Stuttering acceptance computed with spot in 319 ms :[(OR (NOT p1) (NOT p3) (NOT p2)), true, (OR (NOT p1) (NOT p2) (NOT p3)), (OR (NOT p2) (NOT p3)), (NOT p3), (NOT p3)]
Running random walk in product with property : FlexibleBarrier-PT-12b-LTLFireability-05
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-12b-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-12b-LTLFireability-05 finished in 32600 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 1 out of 623 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 623/623 places, 815/815 transitions.
Graph (trivial) has 582 edges and 623 vertex of which 66 / 623 are part of one of the 11 SCC in 1 ms
Free SCC test removed 55 places
Ensure Unique test removed 55 transitions
Reduce isomorphic transitions removed 55 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 65 transitions
Trivial Post-agglo rules discarded 65 transitions
Performed 65 trivial Post agglomeration. Transition count delta: 65
Iterating post reduction 0 with 65 rules applied. Total rules applied 66 place count 567 transition count 694
Reduce places removed 65 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 66 rules applied. Total rules applied 132 place count 502 transition count 693
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 3 rules applied. Total rules applied 135 place count 501 transition count 691
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 136 place count 500 transition count 691
Performed 29 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 29 Pre rules applied. Total rules applied 136 place count 500 transition count 662
Deduced a syphon composed of 29 places in 0 ms
Reduce places removed 29 places and 0 transitions.
Iterating global reduction 4 with 58 rules applied. Total rules applied 194 place count 471 transition count 662
Discarding 40 places :
Symmetric choice reduction at 4 with 40 rule applications. Total rules 234 place count 431 transition count 622
Iterating global reduction 4 with 40 rules applied. Total rules applied 274 place count 431 transition count 622
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 277 place count 431 transition count 619
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 1 Pre rules applied. Total rules applied 277 place count 431 transition count 618
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 279 place count 430 transition count 618
Discarding 6 places :
Symmetric choice reduction at 5 with 6 rule applications. Total rules 285 place count 424 transition count 612
Iterating global reduction 5 with 6 rules applied. Total rules applied 291 place count 424 transition count 612
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 5 with 6 rules applied. Total rules applied 297 place count 424 transition count 606
Performed 76 Post agglomeration using F-continuation condition.Transition count delta: 76
Deduced a syphon composed of 76 places in 0 ms
Reduce places removed 76 places and 0 transitions.
Iterating global reduction 6 with 152 rules applied. Total rules applied 449 place count 348 transition count 530
Discarding 3 places :
Symmetric choice reduction at 6 with 3 rule applications. Total rules 452 place count 345 transition count 527
Iterating global reduction 6 with 3 rules applied. Total rules applied 455 place count 345 transition count 527
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 6 with 3 rules applied. Total rules applied 458 place count 345 transition count 524
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 7 with 2 rules applied. Total rules applied 460 place count 344 transition count 524
Drop transitions (Redundant composition of simpler transitions.) removed 13 transitions
Redundant transition composition rules discarded 13 transitions
Iterating global reduction 7 with 13 rules applied. Total rules applied 473 place count 344 transition count 511
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 7 with 2 rules applied. Total rules applied 475 place count 343 transition count 510
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 7 with 2 rules applied. Total rules applied 477 place count 341 transition count 508
Applied a total of 477 rules in 225 ms. Remains 341 /623 variables (removed 282) and now considering 508/815 (removed 307) transitions.
[2026-05-27 15:17:30] [INFO ] Flow matrix only has 486 transitions (discarded 22 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4145053310971420927.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18067925004269326003.kers'
[2026-05-27 15:17:30] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4145053310971420927.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18067925004269326003.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 340 cols 1477 entries
Finished phase 1 with 327 SingleSign rule and 0 generalized
[2026-05-27 15:17:30] [INFO ] Computed 14 invariants in 3 ms
Computed 14 P flows in 18 ms.
Exported basis to /tmp/petrispot-output-18067925004269326003.kers
Total runtime 19 ms.
[2026-05-27 15:17:30] [INFO ] Implicit Places using invariants in 617 ms returned []
[2026-05-27 15:17:30] [INFO ] Flow matrix only has 486 transitions (discarded 22 similar events)
[2026-05-27 15:17:30] [INFO ] Invariant cache hit.
[2026-05-27 15:17:31] [INFO ] Implicit Places using invariants and state equation in 896 ms returned []
Implicit Place search using SMT with State Equation took 1515 ms to find 0 implicit places.
[2026-05-27 15:17:31] [INFO ] Redundant transitions in 8 ms returned []
Running 242 sub problems to find dead transitions.
[2026-05-27 15:17:31] [INFO ] Flow matrix only has 486 transitions (discarded 22 similar events)
[2026-05-27 15:17:31] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/329 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/329 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 2 (OVERLAPS) 12/341 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/341 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 4 (OVERLAPS) 485/826 variables, 341/355 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/826 variables, 0/355 constraints. Problems are: Problem set: 0 solved, 242 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 826/827 variables, and 355 constraints, problems are : Problem set: 0 solved, 242 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 341/341 constraints, PredecessorRefiner: 242/242 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 242 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/329 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/329 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 2 (OVERLAPS) 12/341 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/341 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 4 (OVERLAPS) 485/826 variables, 341/355 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/826 variables, 242/597 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/826 variables, 0/597 constraints. Problems are: Problem set: 0 solved, 242 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 826/827 variables, and 597 constraints, problems are : Problem set: 0 solved, 242 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 341/341 constraints, PredecessorRefiner: 242/242 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60147ms problems are : Problem set: 0 solved, 242 unsolved
Search for dead transitions found 0 dead transitions in 60148ms
Starting structural reductions in SI_LTL mode, iteration 1 : 341/623 places, 508/815 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 61907 ms. Remains : 341/623 places, 508/815 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Stuttering acceptance computed with spot in 38 ms :[(NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-12b-LTLFireability-06
Stuttering criterion allowed to conclude after 36 steps with 1 reset in 2 ms.
FORMULA FlexibleBarrier-PT-12b-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-12b-LTLFireability-06 finished in 61981 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)||F(G(p1))))))'
Support contains 4 out of 623 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 623/623 places, 815/815 transitions.
Discarding 19 places :
Symmetric choice reduction at 0 with 19 rule applications. Total rules 19 place count 604 transition count 796
Iterating global reduction 0 with 19 rules applied. Total rules applied 38 place count 604 transition count 796
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 40 place count 604 transition count 794
Discarding 14 places :
Symmetric choice reduction at 1 with 14 rule applications. Total rules 54 place count 590 transition count 780
Iterating global reduction 1 with 14 rules applied. Total rules applied 68 place count 590 transition count 780
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 75 place count 590 transition count 773
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 79 place count 586 transition count 769
Iterating global reduction 2 with 4 rules applied. Total rules applied 83 place count 586 transition count 769
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 85 place count 586 transition count 767
Applied a total of 85 rules in 53 ms. Remains 586 /623 variables (removed 37) and now considering 767/815 (removed 48) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12255376782810266153.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12913344435199623039.kers'
[2026-05-27 15:18:31] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12255376782810266153.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12913344435199623039.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 767 rows 586 cols 2203 entries
Finished phase 1 with 572 SingleSign rule and 0 generalized
[2026-05-27 15:18:31] [INFO ] Computed 14 invariants in 4 ms
Computed 14 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-12913344435199623039.kers
Total runtime 5 ms.
[2026-05-27 15:18:32] [INFO ] Implicit Places using invariants in 570 ms returned []
[2026-05-27 15:18:32] [INFO ] Invariant cache hit.
[2026-05-27 15:18:33] [INFO ] Implicit Places using invariants and state equation in 974 ms returned []
Implicit Place search using SMT with State Equation took 1548 ms to find 0 implicit places.
Running 766 sub problems to find dead transitions.
[2026-05-27 15:18:33] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/585 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 766 unsolved
At refinement iteration 1 (OVERLAPS) 1/586 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 766 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 586/1353 variables, and 14 constraints, problems are : Problem set: 0 solved, 766 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 0/586 constraints, PredecessorRefiner: 766/766 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 766 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/585 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 766 unsolved
At refinement iteration 1 (OVERLAPS) 1/586 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 766 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 586/1353 variables, and 14 constraints, problems are : Problem set: 0 solved, 766 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 0/586 constraints, PredecessorRefiner: 0/766 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60206ms problems are : Problem set: 0 solved, 766 unsolved
Search for dead transitions found 0 dead transitions in 60208ms
Starting structural reductions in LTL mode, iteration 1 : 586/623 places, 767/815 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61811 ms. Remains : 586/623 places, 767/815 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((G(p0)||F(G(p1))))))'
Stuttering acceptance computed with spot in 155 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : FlexibleBarrier-PT-12b-LTLFireability-07
Product exploration explored 100000 steps with 1124 reset in 287 ms.
Product exploration explored 100000 steps with 1122 reset in 314 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 2 factoid took 53 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
RANDOM walk for 40000 steps (449 resets) in 146 ms. (272 steps per ms) remains 1/2 properties
BEST_FIRST walk for 3710 steps (2 resets) in 9 ms. (371 steps per ms) remains 0/1 properties
Knowledge based reduction with 2 factoid took 70 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 150 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Knowledge-based reduction took 341 ms.
Stuttering acceptance computed with spot in 145 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Support contains 4 out of 586 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 586/586 places, 767/767 transitions.
Applied a total of 0 rules in 12 ms. Remains 586 /586 variables (removed 0) and now considering 767/767 (removed 0) transitions.
[2026-05-27 15:19:34] [INFO ] Invariant cache hit.
[2026-05-27 15:19:35] [INFO ] Implicit Places using invariants in 564 ms returned []
[2026-05-27 15:19:35] [INFO ] Invariant cache hit.
[2026-05-27 15:19:36] [INFO ] Implicit Places using invariants and state equation in 828 ms returned []
Implicit Place search using SMT with State Equation took 1394 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1406 ms. Remains : 586/586 places, 767/767 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 2 factoid took 48 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
RANDOM walk for 40000 steps (449 resets) in 103 ms. (384 steps per ms) remains 1/2 properties
BEST_FIRST walk for 3533 steps (2 resets) in 7 ms. (441 steps per ms) remains 0/1 properties
Knowledge based reduction with 2 factoid took 73 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 141 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Knowledge-based reduction took 310 ms.
Stuttering acceptance computed with spot in 144 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 134 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 1123 reset in 216 ms.
Stuttering criterion allowed to conclude after 7884 steps with 88 reset in 28 ms.
FORMULA FlexibleBarrier-PT-12b-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-12b-LTLFireability-07 finished in 65357 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X((F(p0)&&G(p1))))))'
Support contains 3 out of 623 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 623/623 places, 815/815 transitions.
Discarding 20 places :
Symmetric choice reduction at 0 with 20 rule applications. Total rules 20 place count 603 transition count 795
Iterating global reduction 0 with 20 rules applied. Total rules applied 40 place count 603 transition count 795
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 43 place count 603 transition count 792
Discarding 14 places :
Symmetric choice reduction at 1 with 14 rule applications. Total rules 57 place count 589 transition count 778
Iterating global reduction 1 with 14 rules applied. Total rules applied 71 place count 589 transition count 778
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 78 place count 589 transition count 771
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 82 place count 585 transition count 767
Iterating global reduction 2 with 4 rules applied. Total rules applied 86 place count 585 transition count 767
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 88 place count 585 transition count 765
Applied a total of 88 rules in 50 ms. Remains 585 /623 variables (removed 38) and now considering 765/815 (removed 50) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4920491513888822687.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11960497350155287733.kers'
[2026-05-27 15:19:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4920491513888822687.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11960497350155287733.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 765 rows 585 cols 2195 entries
Finished phase 1 with 571 SingleSign rule and 0 generalized
[2026-05-27 15:19:37] [INFO ] Computed 14 invariants in 4 ms
Computed 14 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-11960497350155287733.kers
Total runtime 5 ms.
[2026-05-27 15:19:37] [INFO ] Implicit Places using invariants in 583 ms returned []
[2026-05-27 15:19:37] [INFO ] Invariant cache hit.
[2026-05-27 15:19:38] [INFO ] Implicit Places using invariants and state equation in 892 ms returned []
Implicit Place search using SMT with State Equation took 1481 ms to find 0 implicit places.
Running 764 sub problems to find dead transitions.
[2026-05-27 15:19:38] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/584 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 764 unsolved
At refinement iteration 1 (OVERLAPS) 1/585 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 764 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 585/1350 variables, and 14 constraints, problems are : Problem set: 0 solved, 764 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 0/585 constraints, PredecessorRefiner: 764/764 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 764 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/584 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 764 unsolved
At refinement iteration 1 (OVERLAPS) 1/585 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 764 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 585/1350 variables, and 14 constraints, problems are : Problem set: 0 solved, 764 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 0/585 constraints, PredecessorRefiner: 0/764 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60200ms problems are : Problem set: 0 solved, 764 unsolved
Search for dead transitions found 0 dead transitions in 60202ms
Starting structural reductions in LTL mode, iteration 1 : 585/623 places, 765/815 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61736 ms. Remains : 585/623 places, 765/815 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X((F(p0)&&G(p1))))))'
Stuttering acceptance computed with spot in 188 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true, (OR (NOT p1) (NOT p0))]
Running random walk in product with property : FlexibleBarrier-PT-12b-LTLFireability-08
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-12b-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-12b-LTLFireability-08 finished in 61959 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&&G(p1)))) U (G(X(X((p0&&G(p1)))))||(G(p2)&&X(X((p0&&G(p1))))))))'
Support contains 3 out of 623 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 623/623 places, 815/815 transitions.
Discarding 17 places :
Symmetric choice reduction at 0 with 17 rule applications. Total rules 17 place count 606 transition count 798
Iterating global reduction 0 with 17 rules applied. Total rules applied 34 place count 606 transition count 798
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 37 place count 606 transition count 795
Discarding 11 places :
Symmetric choice reduction at 1 with 11 rule applications. Total rules 48 place count 595 transition count 784
Iterating global reduction 1 with 11 rules applied. Total rules applied 59 place count 595 transition count 784
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 65 place count 595 transition count 778
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 68 place count 592 transition count 775
Iterating global reduction 2 with 3 rules applied. Total rules applied 71 place count 592 transition count 775
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 72 place count 592 transition count 774
Applied a total of 72 rules in 44 ms. Remains 592 /623 variables (removed 31) and now considering 774/815 (removed 41) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-18179753518749495999.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1436321845349966790.kers'
[2026-05-27 15:20:39] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-18179753518749495999.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1436321845349966790.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 774 rows 592 cols 2221 entries
Finished phase 1 with 578 SingleSign rule and 0 generalized
[2026-05-27 15:20:39] [INFO ] Computed 14 invariants in 3 ms
Computed 14 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-1436321845349966790.kers
Total runtime 5 ms.
[2026-05-27 15:20:39] [INFO ] Implicit Places using invariants in 589 ms returned []
[2026-05-27 15:20:39] [INFO ] Invariant cache hit.
[2026-05-27 15:20:40] [INFO ] Implicit Places using invariants and state equation in 918 ms returned []
Implicit Place search using SMT with State Equation took 1510 ms to find 0 implicit places.
Running 773 sub problems to find dead transitions.
[2026-05-27 15:20:40] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/591 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 773 unsolved
At refinement iteration 1 (OVERLAPS) 1/592 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 773 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 592/1366 variables, and 14 constraints, problems are : Problem set: 0 solved, 773 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 0/592 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) 0/591 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 773 unsolved
At refinement iteration 1 (OVERLAPS) 1/592 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 773 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 592/1366 variables, and 14 constraints, problems are : Problem set: 0 solved, 773 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 0/592 constraints, PredecessorRefiner: 0/773 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60200ms problems are : Problem set: 0 solved, 773 unsolved
Search for dead transitions found 0 dead transitions in 60201ms
Starting structural reductions in LTL mode, iteration 1 : 592/623 places, 774/815 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61757 ms. Remains : 592/623 places, 774/815 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&&G(p1)))) U (G(X(X((p0&&G(p1)))))||(G(p2)&&X(X((p0&&G(p1))))))))'
Stuttering acceptance computed with spot in 311 ms :[true, (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p1) (AND (NOT p0) (NOT p2))), (OR (NOT p1) (NOT p2))]
Running random walk in product with property : FlexibleBarrier-PT-12b-LTLFireability-11
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-12b-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-12b-LTLFireability-11 finished in 62119 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&&((X(p1)||F(p2)) U X(X(p3)))))))'
Support contains 7 out of 623 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 623/623 places, 815/815 transitions.
Discarding 18 places :
Symmetric choice reduction at 0 with 18 rule applications. Total rules 18 place count 605 transition count 797
Iterating global reduction 0 with 18 rules applied. Total rules applied 36 place count 605 transition count 797
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 38 place count 605 transition count 795
Discarding 13 places :
Symmetric choice reduction at 1 with 13 rule applications. Total rules 51 place count 592 transition count 782
Iterating global reduction 1 with 13 rules applied. Total rules applied 64 place count 592 transition count 782
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 70 place count 592 transition count 776
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 73 place count 589 transition count 773
Iterating global reduction 2 with 3 rules applied. Total rules applied 76 place count 589 transition count 773
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 77 place count 589 transition count 772
Applied a total of 77 rules in 44 ms. Remains 589 /623 variables (removed 34) and now considering 772/815 (removed 43) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1596658642418702237.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6429863283335436291.kers'
[2026-05-27 15:21:41] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1596658642418702237.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6429863283335436291.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 772 rows 589 cols 2221 entries
Finished phase 1 with 575 SingleSign rule and 0 generalized
[2026-05-27 15:21:41] [INFO ] Computed 14 invariants in 4 ms
Computed 14 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-6429863283335436291.kers
Total runtime 5 ms.
[2026-05-27 15:21:41] [INFO ] Implicit Places using invariants in 552 ms returned []
[2026-05-27 15:21:41] [INFO ] Invariant cache hit.
[2026-05-27 15:21:42] [INFO ] Implicit Places using invariants and state equation in 914 ms returned []
Implicit Place search using SMT with State Equation took 1468 ms to find 0 implicit places.
Running 771 sub problems to find dead transitions.
[2026-05-27 15:21:42] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/588 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 771 unsolved
At refinement iteration 1 (OVERLAPS) 1/589 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 589/1361 variables, and 14 constraints, problems are : Problem set: 0 solved, 771 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 0/589 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) 0/588 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 771 unsolved
At refinement iteration 1 (OVERLAPS) 1/589 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 589/1361 variables, and 14 constraints, problems are : Problem set: 0 solved, 771 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 0/589 constraints, PredecessorRefiner: 0/771 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60204ms problems are : Problem set: 0 solved, 771 unsolved
Search for dead transitions found 0 dead transitions in 60206ms
Starting structural reductions in LTL mode, iteration 1 : 589/623 places, 772/815 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61723 ms. Remains : 589/623 places, 772/815 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)||F(p1)) U X(X(p2)))&&p3))))'
Stuttering acceptance computed with spot in 344 ms :[(OR (NOT p3) (NOT p2)), (OR (NOT p3) (NOT p2)), (OR (NOT p3) (NOT p2)), true, (AND (NOT p1) (NOT p0) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2) (NOT p0)), (NOT p2), (NOT p1)]
Running random walk in product with property : FlexibleBarrier-PT-12b-LTLFireability-14
Stuttering criterion allowed to conclude after 84 steps with 0 reset in 1 ms.
FORMULA FlexibleBarrier-PT-12b-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-12b-LTLFireability-14 finished in 62111 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(((p0 U p1)&&X(p2))))'
Support contains 6 out of 623 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 623/623 places, 815/815 transitions.
Discarding 17 places :
Symmetric choice reduction at 0 with 17 rule applications. Total rules 17 place count 606 transition count 798
Iterating global reduction 0 with 17 rules applied. Total rules applied 34 place count 606 transition count 798
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 36 place count 606 transition count 796
Discarding 12 places :
Symmetric choice reduction at 1 with 12 rule applications. Total rules 48 place count 594 transition count 784
Iterating global reduction 1 with 12 rules applied. Total rules applied 60 place count 594 transition count 784
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 66 place count 594 transition count 778
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 69 place count 591 transition count 775
Iterating global reduction 2 with 3 rules applied. Total rules applied 72 place count 591 transition count 775
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 74 place count 591 transition count 773
Applied a total of 74 rules in 48 ms. Remains 591 /623 variables (removed 32) and now considering 773/815 (removed 42) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5367626199970948968.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10334290433489395120.kers'
[2026-05-27 15:22:43] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5367626199970948968.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10334290433489395120.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 15:22:43] [INFO ] Computed 14 invariants in 4 ms
Computed 14 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-10334290433489395120.kers
Total runtime 5 ms.
[2026-05-27 15:22:43] [INFO ] Implicit Places using invariants in 591 ms returned []
[2026-05-27 15:22:43] [INFO ] Invariant cache hit.
[2026-05-27 15:22:44] [INFO ] Implicit Places using invariants and state equation in 901 ms returned []
Implicit Place search using SMT with State Equation took 1494 ms to find 0 implicit places.
Running 772 sub problems to find dead transitions.
[2026-05-27 15:22:44] [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 30019 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 30019 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 60207ms problems are : Problem set: 0 solved, 772 unsolved
Search for dead transitions found 0 dead transitions in 60209ms
Starting structural reductions in LTL mode, iteration 1 : 591/623 places, 773/815 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61755 ms. Remains : 591/623 places, 773/815 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(((p0 U p1)&&X(p2))))'
Stuttering acceptance computed with spot in 110 ms :[(OR (NOT p1) (NOT p2)), (NOT p1), (NOT p2)]
Running random walk in product with property : FlexibleBarrier-PT-12b-LTLFireability-15
Stuttering criterion allowed to conclude after 82 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-12b-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-12b-LTLFireability-15 finished in 61895 ms.
All properties solved by simple procedures.
Total runtime 705491 ms.
BK_STOP 1779895425248
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="FlexibleBarrier-PT-12b"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5973"
echo " Executing tool itstools"
echo " Input is FlexibleBarrier-PT-12b, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r130-smll-177955809100380"
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 [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;