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-177955809100444.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is FlexibleBarrier-PT-20b, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r130-smll-177955809100444
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.9M
-rw-r--r-- 1 mcc users 7.2K Mar 7 06:45 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K Mar 7 06:45 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K Mar 7 06:45 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K Mar 7 06:45 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.1K Mar 15 10:15 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 10:15 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 10:15 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 10:15 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.2K Mar 7 06:45 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 77K Mar 7 06:45 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.9K Mar 7 06:45 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 53K Mar 7 06:45 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:15 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 10:15 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 1.5M Mar 3 18:30 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME FlexibleBarrier-PT-20b-LTLFireability-00
FORMULA_NAME FlexibleBarrier-PT-20b-LTLFireability-01
FORMULA_NAME FlexibleBarrier-PT-20b-LTLFireability-02
FORMULA_NAME FlexibleBarrier-PT-20b-LTLFireability-03
FORMULA_NAME FlexibleBarrier-PT-20b-LTLFireability-04
FORMULA_NAME FlexibleBarrier-PT-20b-LTLFireability-05
FORMULA_NAME FlexibleBarrier-PT-20b-LTLFireability-06
FORMULA_NAME FlexibleBarrier-PT-20b-LTLFireability-07
FORMULA_NAME FlexibleBarrier-PT-20b-LTLFireability-08
FORMULA_NAME FlexibleBarrier-PT-20b-LTLFireability-09
FORMULA_NAME FlexibleBarrier-PT-20b-LTLFireability-10
FORMULA_NAME FlexibleBarrier-PT-20b-LTLFireability-11
FORMULA_NAME FlexibleBarrier-PT-20b-LTLFireability-12
FORMULA_NAME FlexibleBarrier-PT-20b-LTLFireability-13
FORMULA_NAME FlexibleBarrier-PT-20b-LTLFireability-14
FORMULA_NAME FlexibleBarrier-PT-20b-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779928463467

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-20b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-28 00:34:25] [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]
[2026-05-28 00:34:26] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-28 00:34:26] [INFO ] Load time of PNML (sax parser for PT used): 739 ms
[2026-05-28 00:34:27] [INFO ] Transformed 5372 places.
[2026-05-28 00:34:27] [INFO ] Transformed 6193 transitions.
[2026-05-28 00:34:27] [INFO ] Found NUPN structural information;
[2026-05-28 00:34:27] [INFO ] Parsed PT model containing 5372 places and 6193 transitions and 15575 arcs in 1029 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 17 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
FORMULA FlexibleBarrier-PT-20b-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-20b-LTLFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-20b-LTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-20b-LTLFireability-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 34 out of 5372 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 5372/5372 places, 6193/6193 transitions.
Discarding 2257 places :
Symmetric choice reduction at 0 with 2257 rule applications. Total rules 2257 place count 3115 transition count 3936
Iterating global reduction 0 with 2257 rules applied. Total rules applied 4514 place count 3115 transition count 3936
Discarding 1072 places :
Symmetric choice reduction at 0 with 1072 rule applications. Total rules 5586 place count 2043 transition count 2864
Iterating global reduction 0 with 1072 rules applied. Total rules applied 6658 place count 2043 transition count 2864
Discarding 701 places :
Symmetric choice reduction at 0 with 701 rule applications. Total rules 7359 place count 1342 transition count 2163
Iterating global reduction 0 with 701 rules applied. Total rules applied 8060 place count 1342 transition count 2163
Ensure Unique test removed 345 transitions
Reduce isomorphic transitions removed 345 transitions.
Iterating post reduction 0 with 345 rules applied. Total rules applied 8405 place count 1342 transition count 1818
Applied a total of 8405 rules in 1843 ms. Remains 1342 /5372 variables (removed 4030) and now considering 1818/6193 (removed 4375) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3084014473613378794.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10854890639419482450.kers'
[2026-05-28 00:34:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3084014473613378794.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10854890639419482450.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 1818 rows 1342 cols 5445 entries
Finished phase 1 with 1320 SingleSign rule and 0 generalized
[2026-05-28 00:34:29] [INFO ] Computed 22 invariants in 19 ms
Computed 22 P flows in 21 ms.
Exported basis to /tmp/petrispot-output-10854890639419482450.kers
Total runtime 23 ms.
[2026-05-28 00:34:32] [INFO ] Implicit Places using invariants in 2873 ms returned []
[2026-05-28 00:34:32] [INFO ] Invariant cache hit.
[2026-05-28 00:34:35] [INFO ] Implicit Places using invariants and state equation in 3411 ms returned []
Implicit Place search using SMT with State Equation took 6349 ms to find 0 implicit places.
Running 1817 sub problems to find dead transitions.
[2026-05-28 00:34:35] [INFO ] Invariant cache hit.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1341/3160 variables, and 0 constraints, problems are : Problem set: 0 solved, 1817 unsolved in 30148 ms.
Refiners :[Positive P Invariants (semi-flows): 0/22 constraints, State Equation: 0/1342 constraints, PredecessorRefiner: 1817/1817 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1817 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1341/3160 variables, and 0 constraints, problems are : Problem set: 0 solved, 1817 unsolved in 30078 ms.
Refiners :[Positive P Invariants (semi-flows): 0/22 constraints, State Equation: 0/1342 constraints, PredecessorRefiner: 0/1817 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62354ms problems are : Problem set: 0 solved, 1817 unsolved
Search for dead transitions found 0 dead transitions in 62417ms
Starting structural reductions in LTL mode, iteration 1 : 1342/5372 places, 1818/6193 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 70714 ms. Remains : 1342/5372 places, 1818/6193 transitions.
Starting structural reductions in LTL mode, iteration 0 : 1342/1342 places, 1818/1818 transitions.
Applied a total of 0 rules in 230 ms. Remains 1342 /1342 variables (removed 0) and now considering 1818/1818 (removed 0) transitions.
[2026-05-28 00:35:38] [INFO ] Invariant cache hit.
[2026-05-28 00:35:40] [INFO ] Implicit Places using invariants in 2133 ms returned []
[2026-05-28 00:35:40] [INFO ] Invariant cache hit.
[2026-05-28 00:35:43] [INFO ] Implicit Places using invariants and state equation in 3013 ms returned []
Implicit Place search using SMT with State Equation took 5149 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 5382 ms. Remains : 1342/1342 places, 1818/1818 transitions.
Support contains 34 out of 1342 places after structural reductions.
[2026-05-28 00:35:44] [INFO ] Flatten gal took : 211 ms
[2026-05-28 00:35:44] [INFO ] Flatten gal took : 118 ms
[2026-05-28 00:35:44] [INFO ] Input system was already deterministic with 1818 transitions.
RANDOM walk for 40000 steps (291 resets) in 3490 ms. (11 steps per ms) remains 22/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 38 ms. (102 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (7 resets) in 17 ms. (222 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (7 resets) in 24 ms. (160 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4003 steps (8 resets) in 14 ms. (266 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4003 steps (8 resets) in 10 ms. (363 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4003 steps (8 resets) in 8 ms. (444 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4003 steps (8 resets) in 8 ms. (444 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4003 steps (8 resets) in 9 ms. (400 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 22/22 properties
[2026-05-28 00:35:45] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (OVERLAPS) 813/837 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 22 unsolved
Problem AtomicPropp8 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/837 variables, 3/13 constraints. Problems are: Problem set: 1 solved, 21 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 837/3160 variables, and 13 constraints, problems are : Problem set: 1 solved, 21 unsolved in 5008 ms.
Refiners :[Positive P Invariants (semi-flows): 10/22 constraints, State Equation: 0/1342 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 21 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 21 unsolved
At refinement iteration 1 (OVERLAPS) 813/837 variables, 10/10 constraints. Problems are: Problem set: 1 solved, 21 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/837 variables, 3/13 constraints. Problems are: Problem set: 1 solved, 21 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/837 variables, 2/15 constraints. Problems are: Problem set: 1 solved, 21 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/837 variables, 0/15 constraints. Problems are: Problem set: 1 solved, 21 unsolved
At refinement iteration 5 (OVERLAPS) 505/1342 variables, 12/27 constraints. Problems are: Problem set: 1 solved, 21 unsolved
SMT process timed out in 11691ms, After SMT, problems are : Problem set: 1 solved, 21 unsolved
Fused 21 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 24 out of 1342 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1342/1342 places, 1818/1818 transitions.
Graph (trivial) has 1244 edges and 1342 vertex of which 121 / 1342 are part of one of the 20 SCC in 21 ms
Free SCC test removed 101 places
Drop transitions (Empty/Sink Transition effects.) removed 122 transitions
Reduce isomorphic transitions removed 122 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 91 transitions
Trivial Post-agglo rules discarded 91 transitions
Performed 91 trivial Post agglomeration. Transition count delta: 91
Iterating post reduction 0 with 91 rules applied. Total rules applied 92 place count 1241 transition count 1605
Reduce places removed 91 places and 0 transitions.
Iterating post reduction 1 with 91 rules applied. Total rules applied 183 place count 1150 transition count 1605
Performed 44 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 44 Pre rules applied. Total rules applied 183 place count 1150 transition count 1561
Deduced a syphon composed of 44 places in 3 ms
Reduce places removed 44 places and 0 transitions.
Iterating global reduction 2 with 88 rules applied. Total rules applied 271 place count 1106 transition count 1561
Discarding 40 places :
Symmetric choice reduction at 2 with 40 rule applications. Total rules 311 place count 1066 transition count 1521
Iterating global reduction 2 with 40 rules applied. Total rules applied 351 place count 1066 transition count 1521
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 359 place count 1058 transition count 1513
Iterating global reduction 2 with 8 rules applied. Total rules applied 367 place count 1058 transition count 1513
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 368 place count 1058 transition count 1512
Performed 125 Post agglomeration using F-continuation condition.Transition count delta: 125
Deduced a syphon composed of 125 places in 1 ms
Reduce places removed 125 places and 0 transitions.
Iterating global reduction 3 with 250 rules applied. Total rules applied 618 place count 933 transition count 1387
Drop transitions (Empty/Sink Transition effects.) removed 40 transitions
Reduce isomorphic transitions removed 40 transitions.
Iterating post reduction 3 with 40 rules applied. Total rules applied 658 place count 933 transition count 1347
Discarding 20 places :
Symmetric choice reduction at 4 with 20 rule applications. Total rules 678 place count 913 transition count 1327
Iterating global reduction 4 with 20 rules applied. Total rules applied 698 place count 913 transition count 1327
Free-agglomeration rule applied 775 times.
Iterating global reduction 4 with 775 rules applied. Total rules applied 1473 place count 913 transition count 552
Reduce places removed 775 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 336 transitions
Reduce isomorphic transitions removed 336 transitions.
Iterating post reduction 4 with 1111 rules applied. Total rules applied 2584 place count 138 transition count 216
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 5 with 1 rules applied. Total rules applied 2585 place count 137 transition count 215
Reduce places removed 1 places and 0 transitions.
Graph (trivial) has 100 edges and 136 vertex of which 40 / 136 are part of one of the 20 SCC in 1 ms
Free SCC test removed 20 places
Iterating post reduction 5 with 2 rules applied. Total rules applied 2587 place count 116 transition count 215
Drop transitions (Empty/Sink Transition effects.) removed 40 transitions
Reduce isomorphic transitions removed 40 transitions.
Iterating post reduction 6 with 40 rules applied. Total rules applied 2627 place count 116 transition count 175
Performed 20 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 20 Pre rules applied. Total rules applied 2627 place count 116 transition count 155
Deduced a syphon composed of 20 places in 0 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 7 with 40 rules applied. Total rules applied 2667 place count 96 transition count 155
Drop transitions (Empty/Sink Transition effects.) removed 19 transitions
Reduce isomorphic transitions removed 19 transitions.
Iterating post reduction 7 with 19 rules applied. Total rules applied 2686 place count 96 transition count 136
Performed 19 Post agglomeration using F-continuation condition.Transition count delta: 19
Deduced a syphon composed of 19 places in 0 ms
Reduce places removed 19 places and 0 transitions.
Iterating global reduction 8 with 38 rules applied. Total rules applied 2724 place count 77 transition count 117
Free-agglomeration rule applied 19 times.
Iterating global reduction 8 with 19 rules applied. Total rules applied 2743 place count 77 transition count 98
Reduce places removed 30 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 19 transitions
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 29 transitions.
Iterating post reduction 8 with 59 rules applied. Total rules applied 2802 place count 47 transition count 69
Drop transitions (Redundant composition of simpler transitions.) removed 7 transitions
Redundant transition composition rules discarded 7 transitions
Iterating global reduction 9 with 7 rules applied. Total rules applied 2809 place count 47 transition count 62
Free-agglomeration rule applied 2 times.
Iterating global reduction 9 with 2 rules applied. Total rules applied 2811 place count 47 transition count 60
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 9 with 2 rules applied. Total rules applied 2813 place count 45 transition count 60
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 10 with 1 rules applied. Total rules applied 2814 place count 45 transition count 60
Applied a total of 2814 rules in 1374 ms. Remains 45 /1342 variables (removed 1297) and now considering 60/1818 (removed 1758) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1375 ms. Remains : 45/1342 places, 60/1818 transitions.
RANDOM walk for 1182 steps (0 resets) in 76 ms. (15 steps per ms) remains 0/21 properties
Successfully simplified 1 atomic propositions for a total of 12 simplifications.
Computed a total of 22 stabilizing places and 22 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((p0&&(X(G(p1))||F(p2)))))'
Support contains 5 out of 1342 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1342/1342 places, 1818/1818 transitions.
Discarding 20 places :
Symmetric choice reduction at 0 with 20 rule applications. Total rules 20 place count 1322 transition count 1798
Iterating global reduction 0 with 20 rules applied. Total rules applied 40 place count 1322 transition count 1798
Discarding 18 places :
Symmetric choice reduction at 0 with 18 rule applications. Total rules 58 place count 1304 transition count 1780
Iterating global reduction 0 with 18 rules applied. Total rules applied 76 place count 1304 transition count 1780
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 84 place count 1304 transition count 1772
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 92 place count 1296 transition count 1764
Iterating global reduction 1 with 8 rules applied. Total rules applied 100 place count 1296 transition count 1764
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 1 with 5 rules applied. Total rules applied 105 place count 1296 transition count 1759
Applied a total of 105 rules in 274 ms. Remains 1296 /1342 variables (removed 46) and now considering 1759/1818 (removed 59) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12148487914109669769.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17381683801763231593.kers'
[2026-05-28 00:35:59] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12148487914109669769.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17381683801763231593.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 1759 rows 1296 cols 5275 entries
Finished phase 1 with 1274 SingleSign rule and 0 generalized
[2026-05-28 00:35:59] [INFO ] Computed 22 invariants in 10 ms
Computed 22 P flows in 11 ms.
Exported basis to /tmp/petrispot-output-17381683801763231593.kers
Total runtime 13 ms.
[2026-05-28 00:36:01] [INFO ] Implicit Places using invariants in 1435 ms returned []
[2026-05-28 00:36:01] [INFO ] Invariant cache hit.
[2026-05-28 00:36:03] [INFO ] Implicit Places using invariants and state equation in 2524 ms returned []
Implicit Place search using SMT with State Equation took 3964 ms to find 0 implicit places.
Running 1758 sub problems to find dead transitions.
[2026-05-28 00:36:03] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1295/3055 variables, and 0 constraints, problems are : Problem set: 0 solved, 1758 unsolved in 30068 ms.
Refiners :[Positive P Invariants (semi-flows): 0/22 constraints, State Equation: 0/1296 constraints, PredecessorRefiner: 1758/1758 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1758 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1295/3055 variables, and 0 constraints, problems are : Problem set: 0 solved, 1758 unsolved in 30071 ms.
Refiners :[Positive P Invariants (semi-flows): 0/22 constraints, State Equation: 0/1296 constraints, PredecessorRefiner: 0/1758 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61257ms problems are : Problem set: 0 solved, 1758 unsolved
Search for dead transitions found 0 dead transitions in 61270ms
Starting structural reductions in LTL mode, iteration 1 : 1296/1342 places, 1759/1818 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 65519 ms. Remains : 1296/1342 places, 1759/1818 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0&&(X(G(p1))||F(p2)))))'
Stuttering acceptance computed with spot in 565 ms :[true, (NOT p2), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (AND (NOT p2) (NOT p1))]
Running random walk in product with property : FlexibleBarrier-PT-20b-LTLFireability-00
Stuttering criterion allowed to conclude after 125 steps with 0 reset in 6 ms.
FORMULA FlexibleBarrier-PT-20b-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-20b-LTLFireability-00 finished in 66244 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 U p1))))'
Support contains 2 out of 1342 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1342/1342 places, 1818/1818 transitions.
Graph (trivial) has 1257 edges and 1342 vertex of which 115 / 1342 are part of one of the 19 SCC in 7 ms
Free SCC test removed 96 places
Ensure Unique test removed 97 transitions
Reduce isomorphic transitions removed 97 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 106 transitions
Trivial Post-agglo rules discarded 106 transitions
Performed 106 trivial Post agglomeration. Transition count delta: 106
Iterating post reduction 0 with 106 rules applied. Total rules applied 107 place count 1245 transition count 1614
Reduce places removed 106 places and 0 transitions.
Iterating post reduction 1 with 106 rules applied. Total rules applied 213 place count 1139 transition count 1614
Performed 50 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 50 Pre rules applied. Total rules applied 213 place count 1139 transition count 1564
Deduced a syphon composed of 50 places in 2 ms
Reduce places removed 50 places and 0 transitions.
Iterating global reduction 2 with 100 rules applied. Total rules applied 313 place count 1089 transition count 1564
Discarding 58 places :
Symmetric choice reduction at 2 with 58 rule applications. Total rules 371 place count 1031 transition count 1506
Iterating global reduction 2 with 58 rules applied. Total rules applied 429 place count 1031 transition count 1506
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 430 place count 1031 transition count 1505
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 430 place count 1031 transition count 1504
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 432 place count 1030 transition count 1504
Discarding 11 places :
Symmetric choice reduction at 3 with 11 rule applications. Total rules 443 place count 1019 transition count 1493
Iterating global reduction 3 with 11 rules applied. Total rules applied 454 place count 1019 transition count 1493
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 3 with 11 rules applied. Total rules applied 465 place count 1019 transition count 1482
Performed 125 Post agglomeration using F-continuation condition.Transition count delta: 125
Deduced a syphon composed of 125 places in 1 ms
Reduce places removed 125 places and 0 transitions.
Iterating global reduction 4 with 250 rules applied. Total rules applied 715 place count 894 transition count 1357
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 718 place count 891 transition count 1354
Iterating global reduction 4 with 3 rules applied. Total rules applied 721 place count 891 transition count 1354
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 724 place count 891 transition count 1351
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 726 place count 890 transition count 1351
Drop transitions (Redundant composition of simpler transitions.) removed 21 transitions
Redundant transition composition rules discarded 21 transitions
Iterating global reduction 5 with 21 rules applied. Total rules applied 747 place count 890 transition count 1330
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 749 place count 888 transition count 1328
Applied a total of 749 rules in 1285 ms. Remains 888 /1342 variables (removed 454) and now considering 1328/1818 (removed 490) transitions.
[2026-05-28 00:37:07] [INFO ] Flow matrix only has 1290 transitions (discarded 38 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7918148045487936759.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7461626238361207074.kers'
[2026-05-28 00:37:07] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7918148045487936759.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7461626238361207074.kers]
Normalized transition count is 1289 out of 1290 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 1 ms.
// Phase 1: matrix 1289 rows 887 cols 4065 entries
Finished phase 1 with 866 SingleSign rule and 0 generalized
[2026-05-28 00:37:07] [INFO ] Computed 22 invariants in 10 ms
Computed 22 P flows in 11 ms.
Exported basis to /tmp/petrispot-output-7461626238361207074.kers
Total runtime 12 ms.
[2026-05-28 00:37:08] [INFO ] Implicit Places using invariants in 1120 ms returned []
[2026-05-28 00:37:08] [INFO ] Flow matrix only has 1290 transitions (discarded 38 similar events)
[2026-05-28 00:37:08] [INFO ] Invariant cache hit.
[2026-05-28 00:37:10] [INFO ] Implicit Places using invariants and state equation in 2176 ms returned []
Implicit Place search using SMT with State Equation took 3301 ms to find 0 implicit places.
[2026-05-28 00:37:10] [INFO ] Redundant transitions in 125 ms returned []
Running 564 sub problems to find dead transitions.
[2026-05-28 00:37:10] [INFO ] Flow matrix only has 1290 transitions (discarded 38 similar events)
[2026-05-28 00:37:10] [INFO ] Invariant cache hit.
Excessive predecessor constraint size, skipping predecessor.
At refinement iteration 0 (INCLUDED_ONLY) 0/868 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 564 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 868/2178 variables, and 2 constraints, problems are : Problem set: 0 solved, 564 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 2/22 constraints, State Equation: 0/888 constraints, PredecessorRefiner: 564/524 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 564 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/868 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 564 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/868 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 564 unsolved
At refinement iteration 2 (OVERLAPS) 20/888 variables, 20/22 constraints. Problems are: Problem set: 0 solved, 564 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 888/2178 variables, and 22 constraints, problems are : Problem set: 0 solved, 564 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 0/888 constraints, PredecessorRefiner: 40/524 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60384ms problems are : Problem set: 0 solved, 564 unsolved
Search for dead transitions found 0 dead transitions in 60388ms
Starting structural reductions in SI_LTL mode, iteration 1 : 888/1342 places, 1328/1818 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 65111 ms. Remains : 888/1342 places, 1328/1818 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G((p0 U p1))))'
Stuttering acceptance computed with spot in 83 ms :[(NOT p1), (NOT p1)]
Running random walk in product with property : FlexibleBarrier-PT-20b-LTLFireability-01
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-20b-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-20b-LTLFireability-01 finished in 65247 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 2 out of 1342 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1342/1342 places, 1818/1818 transitions.
Graph (trivial) has 1277 edges and 1342 vertex of which 121 / 1342 are part of one of the 20 SCC in 2 ms
Free SCC test removed 101 places
Ensure Unique test removed 102 transitions
Reduce isomorphic transitions removed 102 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 104 transitions
Trivial Post-agglo rules discarded 104 transitions
Performed 104 trivial Post agglomeration. Transition count delta: 104
Iterating post reduction 0 with 104 rules applied. Total rules applied 105 place count 1240 transition count 1611
Reduce places removed 104 places and 0 transitions.
Iterating post reduction 1 with 104 rules applied. Total rules applied 209 place count 1136 transition count 1611
Performed 49 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 49 Pre rules applied. Total rules applied 209 place count 1136 transition count 1562
Deduced a syphon composed of 49 places in 1 ms
Reduce places removed 49 places and 0 transitions.
Iterating global reduction 2 with 98 rules applied. Total rules applied 307 place count 1087 transition count 1562
Discarding 59 places :
Symmetric choice reduction at 2 with 59 rule applications. Total rules 366 place count 1028 transition count 1503
Iterating global reduction 2 with 59 rules applied. Total rules applied 425 place count 1028 transition count 1503
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 426 place count 1028 transition count 1502
Discarding 12 places :
Symmetric choice reduction at 3 with 12 rule applications. Total rules 438 place count 1016 transition count 1490
Iterating global reduction 3 with 12 rules applied. Total rules applied 450 place count 1016 transition count 1490
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 3 with 11 rules applied. Total rules applied 461 place count 1016 transition count 1479
Performed 123 Post agglomeration using F-continuation condition.Transition count delta: 123
Deduced a syphon composed of 123 places in 0 ms
Reduce places removed 123 places and 0 transitions.
Iterating global reduction 4 with 246 rules applied. Total rules applied 707 place count 893 transition count 1356
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 710 place count 890 transition count 1353
Iterating global reduction 4 with 3 rules applied. Total rules applied 713 place count 890 transition count 1353
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 716 place count 890 transition count 1350
Drop transitions (Redundant composition of simpler transitions.) removed 20 transitions
Redundant transition composition rules discarded 20 transitions
Iterating global reduction 5 with 20 rules applied. Total rules applied 736 place count 890 transition count 1330
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 738 place count 888 transition count 1328
Applied a total of 738 rules in 636 ms. Remains 888 /1342 variables (removed 454) and now considering 1328/1818 (removed 490) transitions.
[2026-05-28 00:38:11] [INFO ] Flow matrix only has 1289 transitions (discarded 39 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5851602119497256025.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6114821557863857928.kers'
[2026-05-28 00:38:11] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5851602119497256025.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6114821557863857928.kers]
Normalized transition count is 1288 out of 1289 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 1 ms.
// Phase 1: matrix 1288 rows 887 cols 4063 entries
Finished phase 1 with 866 SingleSign rule and 0 generalized
[2026-05-28 00:38:11] [INFO ] Computed 22 invariants in 10 ms
Computed 22 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-6114821557863857928.kers
Total runtime 12 ms.
[2026-05-28 00:38:13] [INFO ] Implicit Places using invariants in 1629 ms returned []
[2026-05-28 00:38:13] [INFO ] Flow matrix only has 1289 transitions (discarded 39 similar events)
[2026-05-28 00:38:13] [INFO ] Invariant cache hit.
[2026-05-28 00:38:15] [INFO ] Implicit Places using invariants and state equation in 2209 ms returned []
Implicit Place search using SMT with State Equation took 3845 ms to find 0 implicit places.
[2026-05-28 00:38:15] [INFO ] Redundant transitions in 86 ms returned []
Skipped dead transition search.
Starting structural reductions in SI_LTL mode, iteration 1 : 888/1342 places, 1328/1818 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 4575 ms. Remains : 888/1342 places, 1328/1818 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 69 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-20b-LTLFireability-02
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 1 ms.
FORMULA FlexibleBarrier-PT-20b-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-20b-LTLFireability-02 finished in 4683 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||X(F(p1))))'
Support contains 2 out of 1342 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1342/1342 places, 1818/1818 transitions.
Discarding 21 places :
Symmetric choice reduction at 0 with 21 rule applications. Total rules 21 place count 1321 transition count 1797
Iterating global reduction 0 with 21 rules applied. Total rules applied 42 place count 1321 transition count 1797
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 43 place count 1321 transition count 1796
Discarding 18 places :
Symmetric choice reduction at 1 with 18 rule applications. Total rules 61 place count 1303 transition count 1778
Iterating global reduction 1 with 18 rules applied. Total rules applied 79 place count 1303 transition count 1778
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 86 place count 1303 transition count 1771
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 95 place count 1294 transition count 1762
Iterating global reduction 2 with 9 rules applied. Total rules applied 104 place count 1294 transition count 1762
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 111 place count 1294 transition count 1755
Applied a total of 111 rules in 310 ms. Remains 1294 /1342 variables (removed 48) and now considering 1755/1818 (removed 63) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1067001583820423302.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8829214613890091302.kers'
[2026-05-28 00:38:15] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1067001583820423302.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8829214613890091302.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 1755 rows 1294 cols 5259 entries
Finished phase 1 with 1272 SingleSign rule and 0 generalized
[2026-05-28 00:38:15] [INFO ] Computed 22 invariants in 11 ms
Computed 22 P flows in 12 ms.
Exported basis to /tmp/petrispot-output-8829214613890091302.kers
Total runtime 14 ms.
[2026-05-28 00:38:17] [INFO ] Implicit Places using invariants in 1716 ms returned []
[2026-05-28 00:38:17] [INFO ] Invariant cache hit.
[2026-05-28 00:38:20] [INFO ] Implicit Places using invariants and state equation in 3196 ms returned []
Implicit Place search using SMT with State Equation took 4923 ms to find 0 implicit places.
Running 1754 sub problems to find dead transitions.
[2026-05-28 00:38:20] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1293/3049 variables, and 0 constraints, problems are : Problem set: 0 solved, 1754 unsolved in 30068 ms.
Refiners :[Positive P Invariants (semi-flows): 0/22 constraints, State Equation: 0/1294 constraints, PredecessorRefiner: 1754/1754 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1754 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1293/3049 variables, and 0 constraints, problems are : Problem set: 0 solved, 1754 unsolved in 30070 ms.
Refiners :[Positive P Invariants (semi-flows): 0/22 constraints, State Equation: 0/1294 constraints, PredecessorRefiner: 0/1754 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61634ms problems are : Problem set: 0 solved, 1754 unsolved
Search for dead transitions found 0 dead transitions in 61643ms
Starting structural reductions in LTL mode, iteration 1 : 1294/1342 places, 1755/1818 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 66885 ms. Remains : 1294/1342 places, 1755/1818 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||X(F(p1))))'
Stuttering acceptance computed with spot in 148 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : FlexibleBarrier-PT-20b-LTLFireability-03
Stuttering criterion allowed to conclude after 126 steps with 0 reset in 2 ms.
FORMULA FlexibleBarrier-PT-20b-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-20b-LTLFireability-03 finished in 67084 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((p0||X((F(G((G(p1) U p2))) U p3))))))'
Support contains 4 out of 1342 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1342/1342 places, 1818/1818 transitions.
Discarding 20 places :
Symmetric choice reduction at 0 with 20 rule applications. Total rules 20 place count 1322 transition count 1798
Iterating global reduction 0 with 20 rules applied. Total rules applied 40 place count 1322 transition count 1798
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 41 place count 1322 transition count 1797
Discarding 17 places :
Symmetric choice reduction at 1 with 17 rule applications. Total rules 58 place count 1305 transition count 1780
Iterating global reduction 1 with 17 rules applied. Total rules applied 75 place count 1305 transition count 1780
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 81 place count 1305 transition count 1774
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 90 place count 1296 transition count 1765
Iterating global reduction 2 with 9 rules applied. Total rules applied 99 place count 1296 transition count 1765
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 105 place count 1296 transition count 1759
Applied a total of 105 rules in 317 ms. Remains 1296 /1342 variables (removed 46) and now considering 1759/1818 (removed 59) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7590877773458321142.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15154315268401303231.kers'
[2026-05-28 00:39:23] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7590877773458321142.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15154315268401303231.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 1759 rows 1296 cols 5275 entries
Finished phase 1 with 1274 SingleSign rule and 0 generalized
[2026-05-28 00:39:23] [INFO ] Computed 22 invariants in 10 ms
Computed 22 P flows in 11 ms.
Exported basis to /tmp/petrispot-output-15154315268401303231.kers
Total runtime 14 ms.
[2026-05-28 00:39:24] [INFO ] Implicit Places using invariants in 1845 ms returned []
[2026-05-28 00:39:24] [INFO ] Invariant cache hit.
[2026-05-28 00:39:28] [INFO ] Implicit Places using invariants and state equation in 3267 ms returned []
Implicit Place search using SMT with State Equation took 5115 ms to find 0 implicit places.
Running 1758 sub problems to find dead transitions.
[2026-05-28 00:39:28] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1295/3055 variables, and 0 constraints, problems are : Problem set: 0 solved, 1758 unsolved in 30067 ms.
Refiners :[Positive P Invariants (semi-flows): 0/22 constraints, State Equation: 0/1296 constraints, PredecessorRefiner: 1758/1758 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1758 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1295/3055 variables, and 0 constraints, problems are : Problem set: 0 solved, 1758 unsolved in 30071 ms.
Refiners :[Positive P Invariants (semi-flows): 0/22 constraints, State Equation: 0/1296 constraints, PredecessorRefiner: 0/1758 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61671ms problems are : Problem set: 0 solved, 1758 unsolved
Search for dead transitions found 0 dead transitions in 61682ms
Starting structural reductions in LTL mode, iteration 1 : 1296/1342 places, 1759/1818 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 67124 ms. Remains : 1296/1342 places, 1759/1818 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((p0||X((F(G((G(p1) U p2))) U p3))))))'
Stuttering acceptance computed with spot in 365 ms :[(AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (NOT p3), (NOT p2), (AND (NOT p2) (NOT p1)), (NOT p2)]
Running random walk in product with property : FlexibleBarrier-PT-20b-LTLFireability-04
Stuttering criterion allowed to conclude after 129 steps with 0 reset in 3 ms.
FORMULA FlexibleBarrier-PT-20b-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-20b-LTLFireability-04 finished in 67597 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((X(X((p0||F(p1))))||(F(p2) U p3))))'
Support contains 4 out of 1342 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1342/1342 places, 1818/1818 transitions.
Discarding 22 places :
Symmetric choice reduction at 0 with 22 rule applications. Total rules 22 place count 1320 transition count 1796
Iterating global reduction 0 with 22 rules applied. Total rules applied 44 place count 1320 transition count 1796
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 45 place count 1320 transition count 1795
Discarding 19 places :
Symmetric choice reduction at 1 with 19 rule applications. Total rules 64 place count 1301 transition count 1776
Iterating global reduction 1 with 19 rules applied. Total rules applied 83 place count 1301 transition count 1776
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 90 place count 1301 transition count 1769
Discarding 10 places :
Symmetric choice reduction at 2 with 10 rule applications. Total rules 100 place count 1291 transition count 1759
Iterating global reduction 2 with 10 rules applied. Total rules applied 110 place count 1291 transition count 1759
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 117 place count 1291 transition count 1752
Applied a total of 117 rules in 508 ms. Remains 1291 /1342 variables (removed 51) and now considering 1752/1818 (removed 66) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2483875182998781062.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3699298522309724347.kers'
[2026-05-28 00:40:30] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2483875182998781062.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3699298522309724347.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 1752 rows 1291 cols 5253 entries
Finished phase 1 with 1269 SingleSign rule and 0 generalized
[2026-05-28 00:40:30] [INFO ] Computed 22 invariants in 18 ms
Computed 22 P flows in 19 ms.
Exported basis to /tmp/petrispot-output-3699298522309724347.kers
Total runtime 21 ms.
[2026-05-28 00:40:32] [INFO ] Implicit Places using invariants in 1852 ms returned []
[2026-05-28 00:40:32] [INFO ] Invariant cache hit.
[2026-05-28 00:40:35] [INFO ] Implicit Places using invariants and state equation in 3218 ms returned []
Implicit Place search using SMT with State Equation took 5074 ms to find 0 implicit places.
Running 1751 sub problems to find dead transitions.
[2026-05-28 00:40:35] [INFO ] Invariant cache hit.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1290/3043 variables, and 0 constraints, problems are : Problem set: 0 solved, 1751 unsolved in 30066 ms.
Refiners :[Positive P Invariants (semi-flows): 0/22 constraints, State Equation: 0/1291 constraints, PredecessorRefiner: 1751/1751 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1751 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1290/3043 variables, and 0 constraints, problems are : Problem set: 0 solved, 1751 unsolved in 30069 ms.
Refiners :[Positive P Invariants (semi-flows): 0/22 constraints, State Equation: 0/1291 constraints, PredecessorRefiner: 0/1751 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61589ms problems are : Problem set: 0 solved, 1751 unsolved
Search for dead transitions found 0 dead transitions in 61594ms
Starting structural reductions in LTL mode, iteration 1 : 1291/1342 places, 1752/1818 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 67184 ms. Remains : 1291/1342 places, 1752/1818 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((X(X((p0||F(p1))))||(F(p2) U p3))))'
Stuttering acceptance computed with spot in 418 ms :[(AND (NOT p0) (NOT p1) (NOT p3)), (AND p3 (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1) (NOT p3)), (AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1) (NOT p3)), (AND (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p3))]
Running random walk in product with property : FlexibleBarrier-PT-20b-LTLFireability-05
Product exploration explored 100000 steps with 735 reset in 711 ms.
Product exploration explored 100000 steps with 735 reset in 602 ms.
Computed a total of 22 stabilizing places and 22 stable transitions
Computed a total of 22 stabilizing places and 22 stable transitions
Knowledge based reduction with 12 factoid took 134 ms. Reduced automaton from 7 states, 12 edges and 4 AP (stutter sensitive) to 7 states, 12 edges and 4 AP (stutter sensitive).
RANDOM walk for 40000 steps (291 resets) in 946 ms. (42 steps per ms) remains 8/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 188 ms. (211 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 96 ms. (412 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 74 ms. (533 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 57 ms. (689 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 72 ms. (548 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (19 resets) in 106 ms. (373 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 82 ms. (481 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (24 resets) in 152 ms. (261 steps per ms) remains 8/8 properties
[2026-05-28 00:41:40] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Problem apf7 is UNSAT
Problem apf8 is UNSAT
Problem apf9 is UNSAT
At refinement iteration 1 (OVERLAPS) 422/426 variables, 2/2 constraints. Problems are: Problem set: 3 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/426 variables, 0/2 constraints. Problems are: Problem set: 3 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 865/1291 variables, 20/22 constraints. Problems are: Problem set: 3 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1291 variables, 0/22 constraints. Problems are: Problem set: 3 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 1752/3043 variables, 1291/1313 constraints. Problems are: Problem set: 3 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3043 variables, 0/1313 constraints. Problems are: Problem set: 3 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/3043 variables, 0/1313 constraints. Problems are: Problem set: 3 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3043/3043 variables, and 1313 constraints, problems are : Problem set: 3 solved, 5 unsolved in 2059 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 1291/1291 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 3 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 3 solved, 5 unsolved
Problem apf2 is UNSAT
Problem apf5 is UNSAT
At refinement iteration 1 (OVERLAPS) 422/426 variables, 2/2 constraints. Problems are: Problem set: 5 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/426 variables, 0/2 constraints. Problems are: Problem set: 5 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 865/1291 variables, 20/22 constraints. Problems are: Problem set: 5 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1291 variables, 0/22 constraints. Problems are: Problem set: 5 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 1752/3043 variables, 1291/1313 constraints. Problems are: Problem set: 5 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3043 variables, 3/1316 constraints. Problems are: Problem set: 5 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3043 variables, 0/1316 constraints. Problems are: Problem set: 5 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 0/3043 variables, 0/1316 constraints. Problems are: Problem set: 5 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 3043/3043 variables, and 1316 constraints, problems are : Problem set: 5 solved, 3 unsolved in 3552 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 1291/1291 constraints, PredecessorRefiner: 3/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5663ms problems are : Problem set: 5 solved, 3 unsolved
Finished Parikh walk after 138 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=69 )
Parikh walk visited 3 properties in 212 ms.
Found 5 invariant AP formulas.
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 17 factoid took 25 ms. Proved property starting from automaton with 7 states, 12 edges and 4 AP (stutter sensitive
Knowledge-based reduction took 6621 ms.
FORMULA FlexibleBarrier-PT-20b-LTLFireability-05 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FlexibleBarrier-PT-20b-LTLFireability-05 finished in 75663 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 1342 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1342/1342 places, 1818/1818 transitions.
Graph (trivial) has 1278 edges and 1342 vertex of which 121 / 1342 are part of one of the 20 SCC in 3 ms
Free SCC test removed 101 places
Ensure Unique test removed 102 transitions
Reduce isomorphic transitions removed 102 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 105 transitions
Trivial Post-agglo rules discarded 105 transitions
Performed 105 trivial Post agglomeration. Transition count delta: 105
Iterating post reduction 0 with 105 rules applied. Total rules applied 106 place count 1240 transition count 1610
Reduce places removed 105 places and 0 transitions.
Iterating post reduction 1 with 105 rules applied. Total rules applied 211 place count 1135 transition count 1610
Performed 48 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 48 Pre rules applied. Total rules applied 211 place count 1135 transition count 1562
Deduced a syphon composed of 48 places in 2 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 2 with 96 rules applied. Total rules applied 307 place count 1087 transition count 1562
Discarding 60 places :
Symmetric choice reduction at 2 with 60 rule applications. Total rules 367 place count 1027 transition count 1502
Iterating global reduction 2 with 60 rules applied. Total rules applied 427 place count 1027 transition count 1502
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 428 place count 1027 transition count 1501
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 428 place count 1027 transition count 1500
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 430 place count 1026 transition count 1500
Discarding 12 places :
Symmetric choice reduction at 3 with 12 rule applications. Total rules 442 place count 1014 transition count 1488
Iterating global reduction 3 with 12 rules applied. Total rules applied 454 place count 1014 transition count 1488
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 3 with 11 rules applied. Total rules applied 465 place count 1014 transition count 1477
Performed 122 Post agglomeration using F-continuation condition.Transition count delta: 122
Deduced a syphon composed of 122 places in 0 ms
Reduce places removed 122 places and 0 transitions.
Iterating global reduction 4 with 244 rules applied. Total rules applied 709 place count 892 transition count 1355
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 712 place count 889 transition count 1352
Iterating global reduction 4 with 3 rules applied. Total rules applied 715 place count 889 transition count 1352
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 718 place count 889 transition count 1349
Drop transitions (Redundant composition of simpler transitions.) removed 20 transitions
Redundant transition composition rules discarded 20 transitions
Iterating global reduction 5 with 20 rules applied. Total rules applied 738 place count 889 transition count 1329
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 740 place count 887 transition count 1327
Applied a total of 740 rules in 913 ms. Remains 887 /1342 variables (removed 455) and now considering 1327/1818 (removed 491) transitions.
[2026-05-28 00:41:46] [INFO ] Flow matrix only has 1288 transitions (discarded 39 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1625606439744756577.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2422952251280470292.kers'
[2026-05-28 00:41:46] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1625606439744756577.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2422952251280470292.kers]
Normalized transition count is 1287 out of 1288 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 2 ms.
// Phase 1: matrix 1287 rows 886 cols 4061 entries
Finished phase 1 with 865 SingleSign rule and 0 generalized
[2026-05-28 00:41:46] [INFO ] Computed 22 invariants in 13 ms
Computed 22 P flows in 14 ms.
Exported basis to /tmp/petrispot-output-2422952251280470292.kers
Total runtime 15 ms.
[2026-05-28 00:41:47] [INFO ] Implicit Places using invariants in 1007 ms returned []
[2026-05-28 00:41:47] [INFO ] Flow matrix only has 1288 transitions (discarded 39 similar events)
[2026-05-28 00:41:47] [INFO ] Invariant cache hit.
[2026-05-28 00:41:49] [INFO ] Implicit Places using invariants and state equation in 1944 ms returned []
Implicit Place search using SMT with State Equation took 2959 ms to find 0 implicit places.
[2026-05-28 00:41:49] [INFO ] Redundant transitions in 30 ms returned []
Running 544 sub problems to find dead transitions.
[2026-05-28 00:41:49] [INFO ] Flow matrix only has 1288 transitions (discarded 39 similar events)
[2026-05-28 00:41:49] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/867 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 544 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 867/2175 variables, and 2 constraints, problems are : Problem set: 0 solved, 544 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 2/22 constraints, State Equation: 0/887 constraints, PredecessorRefiner: 544/504 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 544 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/867 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 544 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/867 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 544 unsolved
At refinement iteration 2 (OVERLAPS) 20/887 variables, 20/22 constraints. Problems are: Problem set: 0 solved, 544 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 887/2175 variables, and 22 constraints, problems are : Problem set: 0 solved, 544 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 0/887 constraints, PredecessorRefiner: 40/504 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60673ms problems are : Problem set: 0 solved, 544 unsolved
Search for dead transitions found 0 dead transitions in 60675ms
Starting structural reductions in SI_LTL mode, iteration 1 : 887/1342 places, 1327/1818 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 64590 ms. Remains : 887/1342 places, 1327/1818 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 54 ms :[(NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-20b-LTLFireability-07
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-20b-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-20b-LTLFireability-07 finished in 64695 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((X((p0&&G(p1)))||(p2&&G(p3)))))'
Support contains 5 out of 1342 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1342/1342 places, 1818/1818 transitions.
Discarding 21 places :
Symmetric choice reduction at 0 with 21 rule applications. Total rules 21 place count 1321 transition count 1797
Iterating global reduction 0 with 21 rules applied. Total rules applied 42 place count 1321 transition count 1797
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 43 place count 1321 transition count 1796
Discarding 18 places :
Symmetric choice reduction at 1 with 18 rule applications. Total rules 61 place count 1303 transition count 1778
Iterating global reduction 1 with 18 rules applied. Total rules applied 79 place count 1303 transition count 1778
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 86 place count 1303 transition count 1771
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 95 place count 1294 transition count 1762
Iterating global reduction 2 with 9 rules applied. Total rules applied 104 place count 1294 transition count 1762
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 111 place count 1294 transition count 1755
Applied a total of 111 rules in 315 ms. Remains 1294 /1342 variables (removed 48) and now considering 1755/1818 (removed 63) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15380024124566970537.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6246599536821856736.kers'
[2026-05-28 00:42:51] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15380024124566970537.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6246599536821856736.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 1755 rows 1294 cols 5259 entries
Finished phase 1 with 1272 SingleSign rule and 0 generalized
[2026-05-28 00:42:51] [INFO ] Computed 22 invariants in 10 ms
Computed 22 P flows in 11 ms.
Exported basis to /tmp/petrispot-output-6246599536821856736.kers
Total runtime 14 ms.
[2026-05-28 00:42:52] [INFO ] Implicit Places using invariants in 1886 ms returned []
[2026-05-28 00:42:52] [INFO ] Invariant cache hit.
[2026-05-28 00:42:55] [INFO ] Implicit Places using invariants and state equation in 2904 ms returned []
Implicit Place search using SMT with State Equation took 4792 ms to find 0 implicit places.
Running 1754 sub problems to find dead transitions.
[2026-05-28 00:42:55] [INFO ] Invariant cache hit.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1293/3049 variables, and 0 constraints, problems are : Problem set: 0 solved, 1754 unsolved in 30042 ms.
Refiners :[Positive P Invariants (semi-flows): 0/22 constraints, State Equation: 0/1294 constraints, PredecessorRefiner: 1754/1754 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1754 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1293/3049 variables, and 0 constraints, problems are : Problem set: 0 solved, 1754 unsolved in 30043 ms.
Refiners :[Positive P Invariants (semi-flows): 0/22 constraints, State Equation: 0/1294 constraints, PredecessorRefiner: 0/1754 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61571ms problems are : Problem set: 0 solved, 1754 unsolved
Search for dead transitions found 0 dead transitions in 61577ms
Starting structural reductions in LTL mode, iteration 1 : 1294/1342 places, 1755/1818 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 66698 ms. Remains : 1294/1342 places, 1755/1818 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((X((p0&&G(p1)))||(p2&&G(p3)))))'
Stuttering acceptance computed with spot in 243 ms :[(OR (AND (NOT p0) (NOT p3)) (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p3)) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (NOT p1)), (OR (AND (NOT p1) (NOT p3)) (AND (NOT p0) (NOT p3))), true, (NOT p1), (NOT p3), (AND (NOT p1) (NOT p3))]
Running random walk in product with property : FlexibleBarrier-PT-20b-LTLFireability-11
Entered a terminal (fully accepting) state of product in 3022 steps with 21 reset in 14 ms.
FORMULA FlexibleBarrier-PT-20b-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-20b-LTLFireability-11 finished in 67011 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)&&((p1||X(p1)) U p2)) U X(p1))))'
Support contains 4 out of 1342 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1342/1342 places, 1818/1818 transitions.
Discarding 21 places :
Symmetric choice reduction at 0 with 21 rule applications. Total rules 21 place count 1321 transition count 1797
Iterating global reduction 0 with 21 rules applied. Total rules applied 42 place count 1321 transition count 1797
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 43 place count 1321 transition count 1796
Discarding 18 places :
Symmetric choice reduction at 1 with 18 rule applications. Total rules 61 place count 1303 transition count 1778
Iterating global reduction 1 with 18 rules applied. Total rules applied 79 place count 1303 transition count 1778
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 87 place count 1303 transition count 1770
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 96 place count 1294 transition count 1761
Iterating global reduction 2 with 9 rules applied. Total rules applied 105 place count 1294 transition count 1761
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 111 place count 1294 transition count 1755
Applied a total of 111 rules in 309 ms. Remains 1294 /1342 variables (removed 48) and now considering 1755/1818 (removed 63) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7081109671618205208.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14037368776126499390.kers'
[2026-05-28 00:43:58] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7081109671618205208.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14037368776126499390.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 1755 rows 1294 cols 5259 entries
Finished phase 1 with 1272 SingleSign rule and 0 generalized
[2026-05-28 00:43:58] [INFO ] Computed 22 invariants in 11 ms
Computed 22 P flows in 11 ms.
Exported basis to /tmp/petrispot-output-14037368776126499390.kers
Total runtime 13 ms.
[2026-05-28 00:43:59] [INFO ] Implicit Places using invariants in 1355 ms returned []
[2026-05-28 00:43:59] [INFO ] Invariant cache hit.
[2026-05-28 00:44:02] [INFO ] Implicit Places using invariants and state equation in 2678 ms returned []
Implicit Place search using SMT with State Equation took 4037 ms to find 0 implicit places.
Skipped dead transition search.
Starting structural reductions in LTL mode, iteration 1 : 1294/1342 places, 1755/1818 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4347 ms. Remains : 1294/1342 places, 1755/1818 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)&&((p1||X(p1)) U p2)) U X(p1))))'
Stuttering acceptance computed with spot in 307 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p1)), true, (NOT p0), (NOT p2)]
Running random walk in product with property : FlexibleBarrier-PT-20b-LTLFireability-12
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 1 ms.
FORMULA FlexibleBarrier-PT-20b-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-20b-LTLFireability-12 finished in 4712 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)&&X(F(p1))))'
Support contains 2 out of 1342 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1342/1342 places, 1818/1818 transitions.
Discarding 21 places :
Symmetric choice reduction at 0 with 21 rule applications. Total rules 21 place count 1321 transition count 1797
Iterating global reduction 0 with 21 rules applied. Total rules applied 42 place count 1321 transition count 1797
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 43 place count 1321 transition count 1796
Discarding 18 places :
Symmetric choice reduction at 1 with 18 rule applications. Total rules 61 place count 1303 transition count 1778
Iterating global reduction 1 with 18 rules applied. Total rules applied 79 place count 1303 transition count 1778
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 86 place count 1303 transition count 1771
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 95 place count 1294 transition count 1762
Iterating global reduction 2 with 9 rules applied. Total rules applied 104 place count 1294 transition count 1762
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 110 place count 1294 transition count 1756
Applied a total of 110 rules in 420 ms. Remains 1294 /1342 variables (removed 48) and now considering 1756/1818 (removed 62) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14799642024512405699.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-487507016987868887.kers'
[2026-05-28 00:44:02] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14799642024512405699.kers, --Pflows, --basisKERS=/tmp/petrispot-output-487507016987868887.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 1756 rows 1294 cols 5265 entries
Finished phase 1 with 1272 SingleSign rule and 0 generalized
[2026-05-28 00:44:02] [INFO ] Computed 22 invariants in 17 ms
Computed 22 P flows in 18 ms.
Exported basis to /tmp/petrispot-output-487507016987868887.kers
Total runtime 20 ms.
[2026-05-28 00:44:04] [INFO ] Implicit Places using invariants in 1959 ms returned []
[2026-05-28 00:44:04] [INFO ] Invariant cache hit.
[2026-05-28 00:44:07] [INFO ] Implicit Places using invariants and state equation in 2407 ms returned []
Implicit Place search using SMT with State Equation took 4372 ms to find 0 implicit places.
Running 1755 sub problems to find dead transitions.
[2026-05-28 00:44:07] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1293/3050 variables, and 0 constraints, problems are : Problem set: 0 solved, 1755 unsolved in 30040 ms.
Refiners :[Positive P Invariants (semi-flows): 0/22 constraints, State Equation: 0/1294 constraints, PredecessorRefiner: 1755/1755 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1755 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1293/3050 variables, and 0 constraints, problems are : Problem set: 0 solved, 1755 unsolved in 30049 ms.
Refiners :[Positive P Invariants (semi-flows): 0/22 constraints, State Equation: 0/1294 constraints, PredecessorRefiner: 0/1755 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61209ms problems are : Problem set: 0 solved, 1755 unsolved
Search for dead transitions found 0 dead transitions in 61213ms
Starting structural reductions in LTL mode, iteration 1 : 1294/1342 places, 1756/1818 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 66011 ms. Remains : 1294/1342 places, 1756/1818 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)&&X(F(p1))))'
Stuttering acceptance computed with spot in 111 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : FlexibleBarrier-PT-20b-LTLFireability-13
Stuttering criterion allowed to conclude after 128 steps with 1 reset in 0 ms.
FORMULA FlexibleBarrier-PT-20b-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-20b-LTLFireability-13 finished in 66161 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0)&&X((F(G(p1)) U (G(p2) U X(p1)))))))'
Support contains 3 out of 1342 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1342/1342 places, 1818/1818 transitions.
Discarding 21 places :
Symmetric choice reduction at 0 with 21 rule applications. Total rules 21 place count 1321 transition count 1797
Iterating global reduction 0 with 21 rules applied. Total rules applied 42 place count 1321 transition count 1797
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 43 place count 1321 transition count 1796
Discarding 19 places :
Symmetric choice reduction at 1 with 19 rule applications. Total rules 62 place count 1302 transition count 1777
Iterating global reduction 1 with 19 rules applied. Total rules applied 81 place count 1302 transition count 1777
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 89 place count 1302 transition count 1769
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 98 place count 1293 transition count 1760
Iterating global reduction 2 with 9 rules applied. Total rules applied 107 place count 1293 transition count 1760
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 113 place count 1293 transition count 1754
Applied a total of 113 rules in 299 ms. Remains 1293 /1342 variables (removed 49) and now considering 1754/1818 (removed 64) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16684542350867640472.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9956995068352871730.kers'
[2026-05-28 00:45:08] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16684542350867640472.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9956995068352871730.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 1754 rows 1293 cols 5257 entries
Finished phase 1 with 1271 SingleSign rule and 0 generalized
[2026-05-28 00:45:08] [INFO ] Computed 22 invariants in 12 ms
Computed 22 P flows in 13 ms.
Exported basis to /tmp/petrispot-output-9956995068352871730.kers
Total runtime 15 ms.
[2026-05-28 00:45:10] [INFO ] Implicit Places using invariants in 1539 ms returned []
[2026-05-28 00:45:10] [INFO ] Invariant cache hit.
[2026-05-28 00:45:12] [INFO ] Implicit Places using invariants and state equation in 2514 ms returned []
Implicit Place search using SMT with State Equation took 4057 ms to find 0 implicit places.
Running 1753 sub problems to find dead transitions.
[2026-05-28 00:45:12] [INFO ] Invariant cache hit.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1292/3047 variables, and 0 constraints, problems are : Problem set: 0 solved, 1753 unsolved in 30076 ms.
Refiners :[Positive P Invariants (semi-flows): 0/22 constraints, State Equation: 0/1293 constraints, PredecessorRefiner: 1753/1753 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1753 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1292/3047 variables, and 0 constraints, problems are : Problem set: 0 solved, 1753 unsolved in 30091 ms.
Refiners :[Positive P Invariants (semi-flows): 0/22 constraints, State Equation: 0/1293 constraints, PredecessorRefiner: 0/1753 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61344ms problems are : Problem set: 0 solved, 1753 unsolved
Search for dead transitions found 0 dead transitions in 61348ms
Starting structural reductions in LTL mode, iteration 1 : 1293/1342 places, 1754/1818 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 65708 ms. Remains : 1293/1342 places, 1754/1818 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0)&&X((F(G(p1)) U (G(p2) U X(p1)))))))'
Stuttering acceptance computed with spot in 680 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1), (NOT p1), (NOT p1), (AND (NOT p2) (NOT p1)), (NOT p1), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : FlexibleBarrier-PT-20b-LTLFireability-14
Stuttering criterion allowed to conclude after 152 steps with 0 reset in 1 ms.
FORMULA FlexibleBarrier-PT-20b-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-20b-LTLFireability-14 finished in 66492 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(F((p0||G(p1))))||(F((p0||G(p1)))&&F(!p1)))))'
Support contains 2 out of 1342 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1342/1342 places, 1818/1818 transitions.
Discarding 21 places :
Symmetric choice reduction at 0 with 21 rule applications. Total rules 21 place count 1321 transition count 1797
Iterating global reduction 0 with 21 rules applied. Total rules applied 42 place count 1321 transition count 1797
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 43 place count 1321 transition count 1796
Discarding 19 places :
Symmetric choice reduction at 1 with 19 rule applications. Total rules 62 place count 1302 transition count 1777
Iterating global reduction 1 with 19 rules applied. Total rules applied 81 place count 1302 transition count 1777
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 89 place count 1302 transition count 1769
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 98 place count 1293 transition count 1760
Iterating global reduction 2 with 9 rules applied. Total rules applied 107 place count 1293 transition count 1760
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 113 place count 1293 transition count 1754
Applied a total of 113 rules in 454 ms. Remains 1293 /1342 variables (removed 49) and now considering 1754/1818 (removed 64) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-331915763550217991.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6136721219932045506.kers'
[2026-05-28 00:46:15] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-331915763550217991.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6136721219932045506.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 1754 rows 1293 cols 5257 entries
Finished phase 1 with 1271 SingleSign rule and 0 generalized
[2026-05-28 00:46:15] [INFO ] Computed 22 invariants in 15 ms
Computed 22 P flows in 16 ms.
Exported basis to /tmp/petrispot-output-6136721219932045506.kers
Total runtime 18 ms.
[2026-05-28 00:46:17] [INFO ] Implicit Places using invariants in 1495 ms returned []
[2026-05-28 00:46:17] [INFO ] Invariant cache hit.
[2026-05-28 00:46:19] [INFO ] Implicit Places using invariants and state equation in 2444 ms returned []
Implicit Place search using SMT with State Equation took 3966 ms to find 0 implicit places.
Skipped dead transition search.
Starting structural reductions in LTL mode, iteration 1 : 1293/1342 places, 1754/1818 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4422 ms. Remains : 1293/1342 places, 1754/1818 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(F((p0||G(p1))))||(F((p0||G(p1)))&&F(!p1)))))'
Stuttering acceptance computed with spot in 151 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : FlexibleBarrier-PT-20b-LTLFireability-15
Stuttering criterion allowed to conclude after 132 steps with 0 reset in 1 ms.
FORMULA FlexibleBarrier-PT-20b-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-20b-LTLFireability-15 finished in 4635 ms.
All properties solved by simple procedures.
Total runtime 713711 ms.

BK_STOP 1779929179796

--------------------
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-20b"
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-20b, 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-177955809100444"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-20b.tgz
mv FlexibleBarrier-PT-20b execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;