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-177955809100428.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-18b, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r130-smll-177955809100428
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.6M
-rw-r--r-- 1 mcc users 6.3K Mar 7 06:45 CTLCardinality.txt
-rw-r--r-- 1 mcc users 59K Mar 7 06:45 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.7K Mar 7 06:45 CTLFireability.txt
-rw-r--r-- 1 mcc users 63K Mar 7 06:45 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 10:14 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 10:14 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 10:15 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 10:15 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.3K Mar 7 06:45 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 80K Mar 7 06:45 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.4K Mar 7 06:45 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 59K Mar 7 06:45 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:15 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:15 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 1.2M Mar 3 18:30 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME FlexibleBarrier-PT-18b-LTLFireability-00
FORMULA_NAME FlexibleBarrier-PT-18b-LTLFireability-01
FORMULA_NAME FlexibleBarrier-PT-18b-LTLFireability-02
FORMULA_NAME FlexibleBarrier-PT-18b-LTLFireability-03
FORMULA_NAME FlexibleBarrier-PT-18b-LTLFireability-04
FORMULA_NAME FlexibleBarrier-PT-18b-LTLFireability-05
FORMULA_NAME FlexibleBarrier-PT-18b-LTLFireability-06
FORMULA_NAME FlexibleBarrier-PT-18b-LTLFireability-07
FORMULA_NAME FlexibleBarrier-PT-18b-LTLFireability-08
FORMULA_NAME FlexibleBarrier-PT-18b-LTLFireability-09
FORMULA_NAME FlexibleBarrier-PT-18b-LTLFireability-10
FORMULA_NAME FlexibleBarrier-PT-18b-LTLFireability-11
FORMULA_NAME FlexibleBarrier-PT-18b-LTLFireability-12
FORMULA_NAME FlexibleBarrier-PT-18b-LTLFireability-13
FORMULA_NAME FlexibleBarrier-PT-18b-LTLFireability-14
FORMULA_NAME FlexibleBarrier-PT-18b-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779919962238

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-18b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-27 22:12:44] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-27 22:12:44] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-27 22:12:45] [INFO ] Load time of PNML (sax parser for PT used): 598 ms
[2026-05-27 22:12:45] [INFO ] Transformed 4370 places.
[2026-05-27 22:12:45] [INFO ] Transformed 5037 transitions.
[2026-05-27 22:12:45] [INFO ] Found NUPN structural information;
[2026-05-27 22:12:45] [INFO ] Parsed PT model containing 4370 places and 5037 transitions and 12657 arcs in 913 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 16 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA FlexibleBarrier-PT-18b-LTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-18b-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-18b-LTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 31 out of 4370 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 4370/4370 places, 5037/5037 transitions.
Discarding 1822 places :
Symmetric choice reduction at 0 with 1822 rule applications. Total rules 1822 place count 2548 transition count 3215
Iterating global reduction 0 with 1822 rules applied. Total rules applied 3644 place count 2548 transition count 3215
Discarding 859 places :
Symmetric choice reduction at 0 with 859 rule applications. Total rules 4503 place count 1689 transition count 2356
Iterating global reduction 0 with 859 rules applied. Total rules applied 5362 place count 1689 transition count 2356
Discarding 560 places :
Symmetric choice reduction at 0 with 560 rule applications. Total rules 5922 place count 1129 transition count 1796
Iterating global reduction 0 with 560 rules applied. Total rules applied 6482 place count 1129 transition count 1796
Ensure Unique test removed 275 transitions
Reduce isomorphic transitions removed 275 transitions.
Iterating post reduction 0 with 275 rules applied. Total rules applied 6757 place count 1129 transition count 1521
Applied a total of 6757 rules in 1485 ms. Remains 1129 /4370 variables (removed 3241) and now considering 1521/5037 (removed 3516) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7089677650705157090.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-532770982277359556.kers'
[2026-05-27 22:12:47] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7089677650705157090.kers, --Pflows, --basisKERS=/tmp/petrispot-output-532770982277359556.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 1521 rows 1129 cols 4525 entries
Finished phase 1 with 1109 SingleSign rule and 0 generalized
[2026-05-27 22:12:47] [INFO ] Computed 20 invariants in 17 ms
Computed 20 P flows in 19 ms.
Exported basis to /tmp/petrispot-output-532770982277359556.kers
Total runtime 22 ms.
[2026-05-27 22:12:49] [INFO ] Implicit Places using invariants in 2170 ms returned []
[2026-05-27 22:12:49] [INFO ] Invariant cache hit.
[2026-05-27 22:12:52] [INFO ] Implicit Places using invariants and state equation in 2791 ms returned []
Implicit Place search using SMT with State Equation took 5032 ms to find 0 implicit places.
Running 1520 sub problems to find dead transitions.
[2026-05-27 22:12:52] [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 1128/2650 variables, and 0 constraints, problems are : Problem set: 0 solved, 1520 unsolved in 30133 ms.
Refiners :[Positive P Invariants (semi-flows): 0/20 constraints, State Equation: 0/1129 constraints, PredecessorRefiner: 1520/1520 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1520 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1128/2650 variables, and 0 constraints, problems are : Problem set: 0 solved, 1520 unsolved in 30064 ms.
Refiners :[Positive P Invariants (semi-flows): 0/20 constraints, State Equation: 0/1129 constraints, PredecessorRefiner: 0/1520 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61835ms problems are : Problem set: 0 solved, 1520 unsolved
Search for dead transitions found 0 dead transitions in 61881ms
Starting structural reductions in LTL mode, iteration 1 : 1129/4370 places, 1521/5037 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 68477 ms. Remains : 1129/4370 places, 1521/5037 transitions.
Starting structural reductions in LTL mode, iteration 0 : 1129/1129 places, 1521/1521 transitions.
Applied a total of 0 rules in 821 ms. Remains 1129 /1129 variables (removed 0) and now considering 1521/1521 (removed 0) transitions.
[2026-05-27 22:13:55] [INFO ] Invariant cache hit.
[2026-05-27 22:13:56] [INFO ] Implicit Places using invariants in 1553 ms returned []
[2026-05-27 22:13:56] [INFO ] Invariant cache hit.
[2026-05-27 22:13:59] [INFO ] Implicit Places using invariants and state equation in 2731 ms returned []
Implicit Place search using SMT with State Equation took 4296 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 5123 ms. Remains : 1129/1129 places, 1521/1521 transitions.
Support contains 31 out of 1129 places after structural reductions.
[2026-05-27 22:14:00] [INFO ] Flatten gal took : 285 ms
[2026-05-27 22:14:00] [INFO ] Flatten gal took : 163 ms
[2026-05-27 22:14:00] [INFO ] Input system was already deterministic with 1521 transitions.
Support contains 29 out of 1129 places (down from 31) after GAL structural reductions.
RANDOM walk for 40000 steps (321 resets) in 2128 ms. (18 steps per ms) remains 16/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 24 ms. (160 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 16/16 properties
[2026-05-27 22:14:01] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (OVERLAPS) 803/824 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/824 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/824 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 305/1129 variables, 7/21 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1129 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 16 unsolved
SMT process timed out in 5027ms, After SMT, problems are : Problem set: 0 solved, 16 unsolved
Fused 16 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 21 out of 1129 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1129/1129 places, 1521/1521 transitions.
Graph (trivial) has 1043 edges and 1129 vertex of which 109 / 1129 are part of one of the 18 SCC in 19 ms
Free SCC test removed 91 places
Drop transitions (Empty/Sink Transition effects.) removed 110 transitions
Reduce isomorphic transitions removed 110 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 80 transitions
Trivial Post-agglo rules discarded 80 transitions
Performed 80 trivial Post agglomeration. Transition count delta: 80
Iterating post reduction 0 with 80 rules applied. Total rules applied 81 place count 1038 transition count 1331
Reduce places removed 80 places and 0 transitions.
Iterating post reduction 1 with 80 rules applied. Total rules applied 161 place count 958 transition count 1331
Performed 39 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 39 Pre rules applied. Total rules applied 161 place count 958 transition count 1292
Deduced a syphon composed of 39 places in 2 ms
Reduce places removed 39 places and 0 transitions.
Iterating global reduction 2 with 78 rules applied. Total rules applied 239 place count 919 transition count 1292
Discarding 37 places :
Symmetric choice reduction at 2 with 37 rule applications. Total rules 276 place count 882 transition count 1255
Iterating global reduction 2 with 37 rules applied. Total rules applied 313 place count 882 transition count 1255
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 321 place count 874 transition count 1247
Iterating global reduction 2 with 8 rules applied. Total rules applied 329 place count 874 transition count 1247
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 331 place count 874 transition count 1245
Performed 113 Post agglomeration using F-continuation condition.Transition count delta: 113
Deduced a syphon composed of 113 places in 0 ms
Reduce places removed 113 places and 0 transitions.
Iterating global reduction 3 with 226 rules applied. Total rules applied 557 place count 761 transition count 1132
Drop transitions (Empty/Sink Transition effects.) removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Iterating post reduction 3 with 18 rules applied. Total rules applied 575 place count 761 transition count 1114
Free-agglomeration rule applied 620 times.
Iterating global reduction 4 with 620 rules applied. Total rules applied 1195 place count 761 transition count 494
Reduce places removed 620 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 268 transitions
Reduce isomorphic transitions removed 268 transitions.
Iterating post reduction 4 with 888 rules applied. Total rules applied 2083 place count 141 transition count 226
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 5 with 1 rules applied. Total rules applied 2084 place count 141 transition count 225
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 5 with 1 rules applied. Total rules applied 2085 place count 140 transition count 224
Applied a total of 2085 rules in 1628 ms. Remains 140 /1129 variables (removed 989) and now considering 224/1521 (removed 1297) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1628 ms. Remains : 140/1129 places, 224/1521 transitions.
RANDOM walk for 3454 steps (0 resets) in 119 ms. (28 steps per ms) remains 0/16 properties
Computed a total of 20 stabilizing places and 20 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 1 out of 1129 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1129/1129 places, 1521/1521 transitions.
Graph (trivial) has 1072 edges and 1129 vertex of which 109 / 1129 are part of one of the 18 SCC in 3 ms
Free SCC test removed 91 places
Ensure Unique test removed 92 transitions
Reduce isomorphic transitions removed 92 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 90 transitions
Trivial Post-agglo rules discarded 90 transitions
Performed 90 trivial Post agglomeration. Transition count delta: 90
Iterating post reduction 0 with 90 rules applied. Total rules applied 91 place count 1037 transition count 1338
Reduce places removed 90 places and 0 transitions.
Iterating post reduction 1 with 90 rules applied. Total rules applied 181 place count 947 transition count 1338
Performed 45 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 45 Pre rules applied. Total rules applied 181 place count 947 transition count 1293
Deduced a syphon composed of 45 places in 1 ms
Reduce places removed 45 places and 0 transitions.
Iterating global reduction 2 with 90 rules applied. Total rules applied 271 place count 902 transition count 1293
Discarding 52 places :
Symmetric choice reduction at 2 with 52 rule applications. Total rules 323 place count 850 transition count 1241
Iterating global reduction 2 with 52 rules applied. Total rules applied 375 place count 850 transition count 1241
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 377 place count 850 transition count 1239
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 377 place count 850 transition count 1238
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 379 place count 849 transition count 1238
Discarding 10 places :
Symmetric choice reduction at 3 with 10 rule applications. Total rules 389 place count 839 transition count 1228
Iterating global reduction 3 with 10 rules applied. Total rules applied 399 place count 839 transition count 1228
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 3 with 10 rules applied. Total rules applied 409 place count 839 transition count 1218
Performed 110 Post agglomeration using F-continuation condition.Transition count delta: 110
Deduced a syphon composed of 110 places in 1 ms
Reduce places removed 110 places and 0 transitions.
Iterating global reduction 4 with 220 rules applied. Total rules applied 629 place count 729 transition count 1108
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 630 place count 728 transition count 1107
Iterating global reduction 4 with 1 rules applied. Total rules applied 631 place count 728 transition count 1107
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 632 place count 728 transition count 1106
Drop transitions (Redundant composition of simpler transitions.) removed 18 transitions
Redundant transition composition rules discarded 18 transitions
Iterating global reduction 5 with 18 rules applied. Total rules applied 650 place count 728 transition count 1088
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 652 place count 726 transition count 1086
Applied a total of 652 rules in 1033 ms. Remains 726 /1129 variables (removed 403) and now considering 1086/1521 (removed 435) transitions.
[2026-05-27 22:14:09] [INFO ] Flow matrix only has 1051 transitions (discarded 35 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15561316236333007717.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1472192122317117622.kers'
[2026-05-27 22:14:09] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15561316236333007717.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1472192122317117622.kers]
Normalized transition count is 1050 out of 1051 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 1 ms.
// Phase 1: matrix 1050 rows 725 cols 3295 entries
Finished phase 1 with 706 SingleSign rule and 0 generalized
[2026-05-27 22:14:09] [INFO ] Computed 20 invariants in 6 ms
Computed 20 P flows in 7 ms.
Exported basis to /tmp/petrispot-output-1472192122317117622.kers
Total runtime 8 ms.
[2026-05-27 22:14:12] [INFO ] Implicit Places using invariants in 2671 ms returned []
[2026-05-27 22:14:12] [INFO ] Flow matrix only has 1051 transitions (discarded 35 similar events)
[2026-05-27 22:14:12] [INFO ] Invariant cache hit.
[2026-05-27 22:14:16] [INFO ] Implicit Places using invariants and state equation in 3714 ms returned []
Implicit Place search using SMT with State Equation took 6387 ms to find 0 implicit places.
[2026-05-27 22:14:16] [INFO ] Redundant transitions in 122 ms returned []
Running 453 sub problems to find dead transitions.
[2026-05-27 22:14:16] [INFO ] Flow matrix only has 1051 transitions (discarded 35 similar events)
[2026-05-27 22:14:16] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/708 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 453 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/708 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 453 unsolved
SMT process timed out in 30542ms, After SMT, problems are : Problem set: 0 solved, 453 unsolved
Search for dead transitions found 0 dead transitions in 30546ms
Starting structural reductions in SI_LTL mode, iteration 1 : 726/1129 places, 1086/1521 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 38104 ms. Remains : 726/1129 places, 1086/1521 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 329 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-18b-LTLFireability-00
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 2 ms.
FORMULA FlexibleBarrier-PT-18b-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-18b-LTLFireability-00 finished in 38545 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G((p0 U (!p0 U X(X(X(p0)))))))))'
Support contains 1 out of 1129 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1129/1129 places, 1521/1521 transitions.
Discarding 17 places :
Symmetric choice reduction at 0 with 17 rule applications. Total rules 17 place count 1112 transition count 1504
Iterating global reduction 0 with 17 rules applied. Total rules applied 34 place count 1112 transition count 1504
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 36 place count 1112 transition count 1502
Discarding 15 places :
Symmetric choice reduction at 1 with 15 rule applications. Total rules 51 place count 1097 transition count 1487
Iterating global reduction 1 with 15 rules applied. Total rules applied 66 place count 1097 transition count 1487
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 74 place count 1097 transition count 1479
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 79 place count 1092 transition count 1474
Iterating global reduction 2 with 5 rules applied. Total rules applied 84 place count 1092 transition count 1474
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 87 place count 1092 transition count 1471
Applied a total of 87 rules in 222 ms. Remains 1092 /1129 variables (removed 37) and now considering 1471/1521 (removed 50) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7738679040047457307.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18322345558905621429.kers'
[2026-05-27 22:14:47] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7738679040047457307.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18322345558905621429.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 1471 rows 1092 cols 4373 entries
Finished phase 1 with 1072 SingleSign rule and 0 generalized
[2026-05-27 22:14:47] [INFO ] Computed 20 invariants in 8 ms
Computed 20 P flows in 9 ms.
Exported basis to /tmp/petrispot-output-18322345558905621429.kers
Total runtime 10 ms.
[2026-05-27 22:14:50] [INFO ] Implicit Places using invariants in 2525 ms returned []
[2026-05-27 22:14:50] [INFO ] Invariant cache hit.
[2026-05-27 22:14:53] [INFO ] Implicit Places using invariants and state equation in 3551 ms returned []
Implicit Place search using SMT with State Equation took 6092 ms to find 0 implicit places.
Running 1470 sub problems to find dead transitions.
[2026-05-27 22:14:53] [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 1091/2563 variables, and 0 constraints, problems are : Problem set: 0 solved, 1470 unsolved in 30054 ms.
Refiners :[Positive P Invariants (semi-flows): 0/20 constraints, State Equation: 0/1092 constraints, PredecessorRefiner: 1470/1470 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1470 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1091/2563 variables, and 0 constraints, problems are : Problem set: 0 solved, 1470 unsolved in 30052 ms.
Refiners :[Positive P Invariants (semi-flows): 0/20 constraints, State Equation: 0/1092 constraints, PredecessorRefiner: 0/1470 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61377ms problems are : Problem set: 0 solved, 1470 unsolved
Search for dead transitions found 0 dead transitions in 61383ms
Starting structural reductions in LTL mode, iteration 1 : 1092/1129 places, 1471/1521 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 67706 ms. Remains : 1092/1129 places, 1471/1521 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G((p0 U (!p0 U X(X(X(p0)))))))))'
Stuttering acceptance computed with spot in 515 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), false, (NOT p0), (NOT p0), true]
Running random walk in product with property : FlexibleBarrier-PT-18b-LTLFireability-01
Product exploration explored 100000 steps with 14288 reset in 651 ms.
Product exploration explored 100000 steps with 14311 reset in 370 ms.
Computed a total of 20 stabilizing places and 20 stable transitions
Computed a total of 20 stabilizing places and 20 stable transitions
Knowledge based reduction with 2 factoid took 71 ms. Reduced automaton from 11 states, 15 edges and 1 AP (stutter sensitive) to 11 states, 15 edges and 1 AP (stutter sensitive).
RANDOM walk for 40000 steps (319 resets) in 254 ms. (156 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (27 resets) in 128 ms. (310 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 381053 steps, run timeout after 3001 ms. (steps per millisecond=126 ) properties seen :0 out of 1
Probabilistic random walk after 381053 steps, saw 159179 distinct states, run finished after 3013 ms. (steps per millisecond=126 ) properties seen :0
[2026-05-27 22:15:59] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 47/48 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/48 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1044/1092 variables, 19/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1092 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1471/2563 variables, 1092/1112 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2563 variables, 0/1112 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/2563 variables, 0/1112 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2563/2563 variables, and 1112 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1241 ms.
Refiners :[Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 1092/1092 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 47/48 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/48 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1044/1092 variables, 19/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1092 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1471/2563 variables, 1092/1112 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2563 variables, 1/1113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2563 variables, 0/1113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/2563 variables, 0/1113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2563/2563 variables, and 1113 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1270 ms.
Refiners :[Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 1092/1092 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2528ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 3214 steps, including 24 resets, run visited all 1 properties in 20 ms. (steps per millisecond=160 )
Parikh walk visited 1 properties in 28 ms.
Knowledge based reduction with 2 factoid took 77 ms. Reduced automaton from 11 states, 15 edges and 1 AP (stutter sensitive) to 11 states, 15 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 446 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), false, (NOT p0), (NOT p0), true]
Knowledge-based reduction took 6310 ms.
Stuttering acceptance computed with spot in 439 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), false, (NOT p0), (NOT p0), true]
Support contains 1 out of 1092 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1092/1092 places, 1471/1471 transitions.
Applied a total of 0 rules in 80 ms. Remains 1092 /1092 variables (removed 0) and now considering 1471/1471 (removed 0) transitions.
[2026-05-27 22:16:03] [INFO ] Invariant cache hit.
[2026-05-27 22:16:06] [INFO ] Implicit Places using invariants in 3201 ms returned []
[2026-05-27 22:16:06] [INFO ] Invariant cache hit.
[2026-05-27 22:16:10] [INFO ] Implicit Places using invariants and state equation in 3945 ms returned []
Implicit Place search using SMT with State Equation took 7154 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 7235 ms. Remains : 1092/1092 places, 1471/1471 transitions.
Computed a total of 20 stabilizing places and 20 stable transitions
Computed a total of 20 stabilizing places and 20 stable transitions
Knowledge based reduction with 2 factoid took 66 ms. Reduced automaton from 11 states, 15 edges and 1 AP (stutter sensitive) to 11 states, 15 edges and 1 AP (stutter sensitive).
RANDOM walk for 40000 steps (317 resets) in 251 ms. (158 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (27 resets) in 91 ms. (434 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 349375 steps, run timeout after 3001 ms. (steps per millisecond=116 ) properties seen :0 out of 1
Probabilistic random walk after 349375 steps, saw 147026 distinct states, run finished after 3001 ms. (steps per millisecond=116 ) properties seen :0
[2026-05-27 22:16:13] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 47/48 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/48 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1044/1092 variables, 19/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1092 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1471/2563 variables, 1092/1112 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2563 variables, 0/1112 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/2563 variables, 0/1112 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2563/2563 variables, and 1112 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1317 ms.
Refiners :[Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 1092/1092 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 47/48 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/48 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1044/1092 variables, 19/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1092 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1471/2563 variables, 1092/1112 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2563 variables, 1/1113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2563 variables, 0/1113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/2563 variables, 0/1113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2563/2563 variables, and 1113 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1420 ms.
Refiners :[Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 1092/1092 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2749ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 2048 steps, including 15 resets, run visited all 1 properties in 12 ms. (steps per millisecond=170 )
Parikh walk visited 1 properties in 14 ms.
Knowledge based reduction with 2 factoid took 81 ms. Reduced automaton from 11 states, 15 edges and 1 AP (stutter sensitive) to 11 states, 15 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 500 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), false, (NOT p0), (NOT p0), true]
Knowledge-based reduction took 6548 ms.
Stuttering acceptance computed with spot in 543 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), false, (NOT p0), (NOT p0), true]
Stuttering acceptance computed with spot in 553 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), false, (NOT p0), (NOT p0), true]
Product exploration explored 100000 steps with 14281 reset in 353 ms.
Product exploration explored 100000 steps with 14299 reset in 393 ms.
Spot run failed in 163 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/autstates.py", line 2, in
import spot
ModuleNotFoundError: No module named 'spot'
java.io.IOException
at fr.lip6.move.gal.application.runner.spot.SpotRunner.computeForwardClosedSI(SpotRunner.java:551)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.treatPartialPOR(LTLPropertySolver.java:419)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:280)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:217)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:66)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:849)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
Built C files in :
/tmp/ltsmin15011391327460589592
[2026-05-27 22:16:19] [INFO ] Built C files in 79ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin15011391327460589592
Running compilation step : cd /tmp/ltsmin15011391327460589592;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin15011391327460589592;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin15011391327460589592;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:94)
at java.base/java.lang.Thread.run(Thread.java:1583)
Support contains 1 out of 1092 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1092/1092 places, 1471/1471 transitions.
Applied a total of 0 rules in 79 ms. Remains 1092 /1092 variables (removed 0) and now considering 1471/1471 (removed 0) transitions.
[2026-05-27 22:16:22] [INFO ] Invariant cache hit.
[2026-05-27 22:16:25] [INFO ] Implicit Places using invariants in 2706 ms returned []
[2026-05-27 22:16:25] [INFO ] Invariant cache hit.
[2026-05-27 22:16:28] [INFO ] Implicit Places using invariants and state equation in 3779 ms returned []
Implicit Place search using SMT with State Equation took 6488 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 6567 ms. Remains : 1092/1092 places, 1471/1471 transitions.
Built C files in :
/tmp/ltsmin8521926972332505664
[2026-05-27 22:16:29] [INFO ] Built C files in 43ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin8521926972332505664
Running compilation step : cd /tmp/ltsmin8521926972332505664;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin8521926972332505664;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin8521926972332505664;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:94)
at java.base/java.lang.Thread.run(Thread.java:1583)
[2026-05-27 22:16:32] [INFO ] Flatten gal took : 100 ms
[2026-05-27 22:16:32] [INFO ] Flatten gal took : 87 ms
[2026-05-27 22:16:32] [INFO ] Time to serialize gal into /tmp/LTL17579950564822835004.gal : 30 ms
[2026-05-27 22:16:32] [INFO ] Time to serialize properties into /tmp/LTL16387476367956713279.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL17579950564822835004.gal' '-t' 'CGAL' '-hoa' '/tmp/aut11978191612371023242.hoa' '-atoms' '/tmp/LTL16387476367956713279.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...320
Loading property file /tmp/LTL16387476367956713279.prop.
Loaded 1 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut11978191612371023242.hoa
Detected timeout of ITS tools.
[2026-05-27 22:16:47] [INFO ] Flatten gal took : 44 ms
[2026-05-27 22:16:47] [INFO ] Flatten gal took : 47 ms
[2026-05-27 22:16:47] [INFO ] Time to serialize gal into /tmp/LTL12131173977266371645.gal : 17 ms
[2026-05-27 22:16:47] [INFO ] Time to serialize properties into /tmp/LTL11681376163038037440.ltl : 8 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL12131173977266371645.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL11681376163038037440.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...277
Read 1 LTL properties
Checking formula 0 : !((X(X(G(("(p2670!=1)")U(("(p2670==1)")U(X(X(X("(p2670!=1)"))))))))))
Formula 0 simplified : XXF(!"(p2670!=1)" R (!"(p2670==1)" R XXX!"(p2670!=1)"))
Detected timeout of ITS tools.
[2026-05-27 22:17:02] [INFO ] Flatten gal took : 59 ms
[2026-05-27 22:17:02] [INFO ] Applying decomposition
[2026-05-27 22:17:02] [INFO ] Flatten gal took : 62 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph17332636429768837594.txt' '-o' '/tmp/graph17332636429768837594.bin' '-w' '/tmp/graph17332636429768837594.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph17332636429768837594.bin' '-l' '-1' '-v' '-w' '/tmp/graph17332636429768837594.weights' '-q' '0' '-e' '0.001'
[2026-05-27 22:17:03] [INFO ] Decomposing Gal with order
[2026-05-27 22:17:03] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-27 22:17:03] [INFO ] Removed a total of 430 redundant transitions.
[2026-05-27 22:17:04] [INFO ] Flatten gal took : 621 ms
[2026-05-27 22:17:04] [INFO ] Fuse similar labels procedure discarded/fused a total of 21 labels/synchronizations in 44 ms.
[2026-05-27 22:17:04] [INFO ] Time to serialize gal into /tmp/LTL1144216385692559772.gal : 27 ms
[2026-05-27 22:17:04] [INFO ] Time to serialize properties into /tmp/LTL664323807040777254.ltl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL1144216385692559772.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL664323807040777254.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...253
Read 1 LTL properties
Checking formula 0 : !((X(X(G(("(i17.u172.p2670!=1)")U(("(i17.u172.p2670==1)")U(X(X(X("(i17.u172.p2670!=1)"))))))))))
Formula 0 simplified : XXF(!"(i17.u172.p2670!=1)" R (!"(i17.u172.p2670==1)" R XXX!"(i17.u172.p2670!=1)"))
Detected timeout of ITS tools.
Treatment of property FlexibleBarrier-PT-18b-LTLFireability-01 finished in 152057 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((X(F(p1))||p0)))'
Support contains 3 out of 1129 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1129/1129 places, 1521/1521 transitions.
Discarding 15 places :
Symmetric choice reduction at 0 with 15 rule applications. Total rules 15 place count 1114 transition count 1506
Iterating global reduction 0 with 15 rules applied. Total rules applied 30 place count 1114 transition count 1506
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 32 place count 1114 transition count 1504
Discarding 13 places :
Symmetric choice reduction at 1 with 13 rule applications. Total rules 45 place count 1101 transition count 1491
Iterating global reduction 1 with 13 rules applied. Total rules applied 58 place count 1101 transition count 1491
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 65 place count 1101 transition count 1484
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 70 place count 1096 transition count 1479
Iterating global reduction 2 with 5 rules applied. Total rules applied 75 place count 1096 transition count 1479
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 79 place count 1096 transition count 1475
Applied a total of 79 rules in 389 ms. Remains 1096 /1129 variables (removed 33) and now considering 1475/1521 (removed 46) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9895666348030026190.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1539209454456196943.kers'
[2026-05-27 22:17:19] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9895666348030026190.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1539209454456196943.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 1475 rows 1096 cols 4381 entries
Finished phase 1 with 1076 SingleSign rule and 0 generalized
[2026-05-27 22:17:19] [INFO ] Computed 20 invariants in 16 ms
Computed 20 P flows in 17 ms.
Exported basis to /tmp/petrispot-output-1539209454456196943.kers
Total runtime 19 ms.
[2026-05-27 22:17:21] [INFO ] Implicit Places using invariants in 1578 ms returned []
[2026-05-27 22:17:21] [INFO ] Invariant cache hit.
[2026-05-27 22:17:23] [INFO ] Implicit Places using invariants and state equation in 2325 ms returned []
Implicit Place search using SMT with State Equation took 3910 ms to find 0 implicit places.
Running 1474 sub problems to find dead transitions.
[2026-05-27 22:17:23] [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 1095/2571 variables, and 0 constraints, problems are : Problem set: 0 solved, 1474 unsolved in 30057 ms.
Refiners :[Positive P Invariants (semi-flows): 0/20 constraints, State Equation: 0/1096 constraints, PredecessorRefiner: 1474/1474 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1474 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1095/2571 variables, and 0 constraints, problems are : Problem set: 0 solved, 1474 unsolved in 30060 ms.
Refiners :[Positive P Invariants (semi-flows): 0/20 constraints, State Equation: 0/1096 constraints, PredecessorRefiner: 0/1474 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61044ms problems are : Problem set: 0 solved, 1474 unsolved
Search for dead transitions found 0 dead transitions in 61050ms
Starting structural reductions in LTL mode, iteration 1 : 1096/1129 places, 1475/1521 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 65356 ms. Remains : 1096/1129 places, 1475/1521 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((X(F(p1))||p0)))'
Stuttering acceptance computed with spot in 119 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : FlexibleBarrier-PT-18b-LTLFireability-02
Stuttering criterion allowed to conclude after 127 steps with 0 reset in 1 ms.
FORMULA FlexibleBarrier-PT-18b-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-18b-LTLFireability-02 finished in 65540 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(F(X((X(p0) U p1))))&&F(p0))))'
Support contains 3 out of 1129 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1129/1129 places, 1521/1521 transitions.
Discarding 17 places :
Symmetric choice reduction at 0 with 17 rule applications. Total rules 17 place count 1112 transition count 1504
Iterating global reduction 0 with 17 rules applied. Total rules applied 34 place count 1112 transition count 1504
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 36 place count 1112 transition count 1502
Discarding 15 places :
Symmetric choice reduction at 1 with 15 rule applications. Total rules 51 place count 1097 transition count 1487
Iterating global reduction 1 with 15 rules applied. Total rules applied 66 place count 1097 transition count 1487
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 74 place count 1097 transition count 1479
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 79 place count 1092 transition count 1474
Iterating global reduction 2 with 5 rules applied. Total rules applied 84 place count 1092 transition count 1474
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 87 place count 1092 transition count 1471
Applied a total of 87 rules in 360 ms. Remains 1092 /1129 variables (removed 37) and now considering 1471/1521 (removed 50) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16712000121231376455.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17528872220561102389.kers'
[2026-05-27 22:18:25] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16712000121231376455.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17528872220561102389.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 1471 rows 1092 cols 4373 entries
Finished phase 1 with 1072 SingleSign rule and 0 generalized
[2026-05-27 22:18:25] [INFO ] Computed 20 invariants in 16 ms
Computed 20 P flows in 17 ms.
Exported basis to /tmp/petrispot-output-17528872220561102389.kers
Total runtime 19 ms.
[2026-05-27 22:18:28] [INFO ] Implicit Places using invariants in 3260 ms returned []
[2026-05-27 22:18:28] [INFO ] Invariant cache hit.
[2026-05-27 22:18:32] [INFO ] Implicit Places using invariants and state equation in 3908 ms returned []
Implicit Place search using SMT with State Equation took 7172 ms to find 0 implicit places.
Running 1470 sub problems to find dead transitions.
[2026-05-27 22:18:32] [INFO ] Invariant cache hit.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1091/2563 variables, and 0 constraints, problems are : Problem set: 0 solved, 1470 unsolved in 30065 ms.
Refiners :[Positive P Invariants (semi-flows): 0/20 constraints, State Equation: 0/1092 constraints, PredecessorRefiner: 1470/1470 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1470 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1091/2563 variables, and 0 constraints, problems are : Problem set: 0 solved, 1470 unsolved in 30061 ms.
Refiners :[Positive P Invariants (semi-flows): 0/20 constraints, State Equation: 0/1092 constraints, PredecessorRefiner: 0/1470 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61362ms problems are : Problem set: 0 solved, 1470 unsolved
Search for dead transitions found 0 dead transitions in 61369ms
Starting structural reductions in LTL mode, iteration 1 : 1092/1129 places, 1471/1521 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 68911 ms. Remains : 1092/1129 places, 1471/1521 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(F(X((X(p0) U p1))))&&F(p0))))'
Stuttering acceptance computed with spot in 293 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (NOT p0), (NOT p1), (NOT p1)]
Running random walk in product with property : FlexibleBarrier-PT-18b-LTLFireability-03
Stuttering criterion allowed to conclude after 116 steps with 0 reset in 1 ms.
FORMULA FlexibleBarrier-PT-18b-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-18b-LTLFireability-03 finished in 69274 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(p0) U ((X(p0)&&(p1||G(p2)))||X(G(p0)))))'
Support contains 3 out of 1129 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1129/1129 places, 1521/1521 transitions.
Discarding 16 places :
Symmetric choice reduction at 0 with 16 rule applications. Total rules 16 place count 1113 transition count 1505
Iterating global reduction 0 with 16 rules applied. Total rules applied 32 place count 1113 transition count 1505
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 34 place count 1113 transition count 1503
Discarding 14 places :
Symmetric choice reduction at 1 with 14 rule applications. Total rules 48 place count 1099 transition count 1489
Iterating global reduction 1 with 14 rules applied. Total rules applied 62 place count 1099 transition count 1489
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 68 place count 1099 transition count 1483
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 74 place count 1093 transition count 1477
Iterating global reduction 2 with 6 rules applied. Total rules applied 80 place count 1093 transition count 1477
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 84 place count 1093 transition count 1473
Applied a total of 84 rules in 346 ms. Remains 1093 /1129 variables (removed 36) and now considering 1473/1521 (removed 48) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11747493295265886461.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4969619547639056456.kers'
[2026-05-27 22:19:34] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11747493295265886461.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4969619547639056456.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 1473 rows 1093 cols 4381 entries
Finished phase 1 with 1073 SingleSign rule and 0 generalized
[2026-05-27 22:19:34] [INFO ] Computed 20 invariants in 14 ms
Computed 20 P flows in 15 ms.
Exported basis to /tmp/petrispot-output-4969619547639056456.kers
Total runtime 17 ms.
[2026-05-27 22:19:37] [INFO ] Implicit Places using invariants in 3366 ms returned []
[2026-05-27 22:19:37] [INFO ] Invariant cache hit.
[2026-05-27 22:19:42] [INFO ] Implicit Places using invariants and state equation in 4204 ms returned []
Implicit Place search using SMT with State Equation took 7589 ms to find 0 implicit places.
Running 1472 sub problems to find dead transitions.
[2026-05-27 22:19:42] [INFO ] Invariant cache hit.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1092/2566 variables, and 0 constraints, problems are : Problem set: 0 solved, 1472 unsolved in 30054 ms.
Refiners :[Positive P Invariants (semi-flows): 0/20 constraints, State Equation: 0/1093 constraints, PredecessorRefiner: 1472/1472 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1472 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1092/2566 variables, and 0 constraints, problems are : Problem set: 0 solved, 1472 unsolved in 30057 ms.
Refiners :[Positive P Invariants (semi-flows): 0/20 constraints, State Equation: 0/1093 constraints, PredecessorRefiner: 0/1472 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61120ms problems are : Problem set: 0 solved, 1472 unsolved
Search for dead transitions found 0 dead transitions in 61123ms
Starting structural reductions in LTL mode, iteration 1 : 1093/1129 places, 1473/1521 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 69067 ms. Remains : 1093/1129 places, 1473/1521 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) U (X(G(p0))||(X(p0)&&(p1||G(p2))))))'
Stuttering acceptance computed with spot in 267 ms :[(NOT p0), (NOT p0), (AND (NOT p0) (NOT p2)), true, (AND (NOT p2) (NOT p0)), (NOT p2)]
Running random walk in product with property : FlexibleBarrier-PT-18b-LTLFireability-04
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-18b-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-18b-LTLFireability-04 finished in 69405 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F(p0))))'
Support contains 1 out of 1129 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1129/1129 places, 1521/1521 transitions.
Discarding 17 places :
Symmetric choice reduction at 0 with 17 rule applications. Total rules 17 place count 1112 transition count 1504
Iterating global reduction 0 with 17 rules applied. Total rules applied 34 place count 1112 transition count 1504
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 36 place count 1112 transition count 1502
Discarding 15 places :
Symmetric choice reduction at 1 with 15 rule applications. Total rules 51 place count 1097 transition count 1487
Iterating global reduction 1 with 15 rules applied. Total rules applied 66 place count 1097 transition count 1487
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 73 place count 1097 transition count 1480
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 79 place count 1091 transition count 1474
Iterating global reduction 2 with 6 rules applied. Total rules applied 85 place count 1091 transition count 1474
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 89 place count 1091 transition count 1470
Applied a total of 89 rules in 219 ms. Remains 1091 /1129 variables (removed 38) and now considering 1470/1521 (removed 51) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6841432467488422375.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2412774397969115150.kers'
[2026-05-27 22:20:43] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6841432467488422375.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2412774397969115150.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 1470 rows 1091 cols 4371 entries
Finished phase 1 with 1071 SingleSign rule and 0 generalized
[2026-05-27 22:20:43] [INFO ] Computed 20 invariants in 9 ms
Computed 20 P flows in 9 ms.
Exported basis to /tmp/petrispot-output-2412774397969115150.kers
Total runtime 11 ms.
[2026-05-27 22:20:46] [INFO ] Implicit Places using invariants in 2566 ms returned []
[2026-05-27 22:20:46] [INFO ] Invariant cache hit.
[2026-05-27 22:20:50] [INFO ] Implicit Places using invariants and state equation in 3751 ms returned []
Implicit Place search using SMT with State Equation took 6321 ms to find 0 implicit places.
Running 1469 sub problems to find dead transitions.
[2026-05-27 22:20:50] [INFO ] Invariant cache hit.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1090/2561 variables, and 0 constraints, problems are : Problem set: 0 solved, 1469 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 0/20 constraints, State Equation: 0/1091 constraints, PredecessorRefiner: 1469/1469 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1469 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1090/2561 variables, and 0 constraints, problems are : Problem set: 0 solved, 1469 unsolved in 30061 ms.
Refiners :[Positive P Invariants (semi-flows): 0/20 constraints, State Equation: 0/1091 constraints, PredecessorRefiner: 0/1469 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60857ms problems are : Problem set: 0 solved, 1469 unsolved
Search for dead transitions found 0 dead transitions in 60861ms
Starting structural reductions in LTL mode, iteration 1 : 1091/1129 places, 1470/1521 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 67407 ms. Remains : 1091/1129 places, 1470/1521 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F(p0))))'
Stuttering acceptance computed with spot in 172 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-18b-LTLFireability-05
Stuttering criterion allowed to conclude after 144 steps with 0 reset in 1 ms.
FORMULA FlexibleBarrier-PT-18b-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-18b-LTLFireability-05 finished in 67639 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 1129 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1129/1129 places, 1521/1521 transitions.
Graph (trivial) has 1052 edges and 1129 vertex of which 102 / 1129 are part of one of the 17 SCC in 3 ms
Free SCC test removed 85 places
Ensure Unique test removed 85 transitions
Reduce isomorphic transitions removed 85 transitions.
Reduce places removed 1 places and 1 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 1043 transition count 1344
Reduce places removed 91 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 92 rules applied. Total rules applied 184 place count 952 transition count 1343
Performed 46 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 46 Pre rules applied. Total rules applied 184 place count 952 transition count 1297
Deduced a syphon composed of 46 places in 1 ms
Reduce places removed 46 places and 0 transitions.
Iterating global reduction 2 with 92 rules applied. Total rules applied 276 place count 906 transition count 1297
Discarding 51 places :
Symmetric choice reduction at 2 with 51 rule applications. Total rules 327 place count 855 transition count 1246
Iterating global reduction 2 with 51 rules applied. Total rules applied 378 place count 855 transition count 1246
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 380 place count 855 transition count 1244
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 380 place count 855 transition count 1243
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 382 place count 854 transition count 1243
Discarding 11 places :
Symmetric choice reduction at 3 with 11 rule applications. Total rules 393 place count 843 transition count 1232
Iterating global reduction 3 with 11 rules applied. Total rules applied 404 place count 843 transition count 1232
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 3 with 10 rules applied. Total rules applied 414 place count 843 transition count 1222
Performed 112 Post agglomeration using F-continuation condition.Transition count delta: 112
Deduced a syphon composed of 112 places in 1 ms
Reduce places removed 112 places and 0 transitions.
Iterating global reduction 4 with 224 rules applied. Total rules applied 638 place count 731 transition count 1110
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 639 place count 730 transition count 1109
Iterating global reduction 4 with 1 rules applied. Total rules applied 640 place count 730 transition count 1109
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 641 place count 730 transition count 1108
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 643 place count 729 transition count 1108
Drop transitions (Redundant composition of simpler transitions.) removed 19 transitions
Redundant transition composition rules discarded 19 transitions
Iterating global reduction 5 with 19 rules applied. Total rules applied 662 place count 729 transition count 1089
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 664 place count 727 transition count 1087
Applied a total of 664 rules in 794 ms. Remains 727 /1129 variables (removed 402) and now considering 1087/1521 (removed 434) transitions.
[2026-05-27 22:21:52] [INFO ] Flow matrix only has 1053 transitions (discarded 34 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3715024668739308849.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5278773823238260947.kers'
[2026-05-27 22:21:52] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3715024668739308849.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5278773823238260947.kers]
Normalized transition count is 1052 out of 1053 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 1 ms.
// Phase 1: matrix 1052 rows 726 cols 3299 entries
Finished phase 1 with 707 SingleSign rule and 0 generalized
[2026-05-27 22:21:52] [INFO ] Computed 20 invariants in 8 ms
Computed 20 P flows in 9 ms.
Exported basis to /tmp/petrispot-output-5278773823238260947.kers
Total runtime 11 ms.
[2026-05-27 22:21:54] [INFO ] Implicit Places using invariants in 2106 ms returned []
[2026-05-27 22:21:54] [INFO ] Flow matrix only has 1053 transitions (discarded 34 similar events)
[2026-05-27 22:21:54] [INFO ] Invariant cache hit.
[2026-05-27 22:21:56] [INFO ] Implicit Places using invariants and state equation in 2710 ms returned []
Implicit Place search using SMT with State Equation took 4818 ms to find 0 implicit places.
[2026-05-27 22:21:56] [INFO ] Redundant transitions in 30 ms returned []
Running 472 sub problems to find dead transitions.
[2026-05-27 22:21:56] [INFO ] Flow matrix only has 1053 transitions (discarded 34 similar events)
[2026-05-27 22:21:56] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/709 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 472 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/709 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 472 unsolved
At refinement iteration 2 (OVERLAPS) 18/727 variables, 18/20 constraints. Problems are: Problem set: 0 solved, 472 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 727/1780 variables, and 20 constraints, problems are : Problem set: 0 solved, 472 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 0/727 constraints, PredecessorRefiner: 472/472 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 472 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/709 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 472 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/709 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 472 unsolved
At refinement iteration 2 (OVERLAPS) 18/727 variables, 18/20 constraints. Problems are: Problem set: 0 solved, 472 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 727/1780 variables, and 20 constraints, problems are : Problem set: 0 solved, 472 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 0/727 constraints, PredecessorRefiner: 0/472 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60394ms problems are : Problem set: 0 solved, 472 unsolved
Search for dead transitions found 0 dead transitions in 60396ms
Starting structural reductions in SI_LTL mode, iteration 1 : 727/1129 places, 1087/1521 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 66049 ms. Remains : 727/1129 places, 1087/1521 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 76 ms :[(NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-18b-LTLFireability-06
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 1 ms.
FORMULA FlexibleBarrier-PT-18b-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-18b-LTLFireability-06 finished in 66171 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(G(p0))&&(p1||X((p1&&X(G((p1||G(p2))))))))))'
Support contains 3 out of 1129 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1129/1129 places, 1521/1521 transitions.
Discarding 16 places :
Symmetric choice reduction at 0 with 16 rule applications. Total rules 16 place count 1113 transition count 1505
Iterating global reduction 0 with 16 rules applied. Total rules applied 32 place count 1113 transition count 1505
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 34 place count 1113 transition count 1503
Discarding 14 places :
Symmetric choice reduction at 1 with 14 rule applications. Total rules 48 place count 1099 transition count 1489
Iterating global reduction 1 with 14 rules applied. Total rules applied 62 place count 1099 transition count 1489
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 69 place count 1099 transition count 1482
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 74 place count 1094 transition count 1477
Iterating global reduction 2 with 5 rules applied. Total rules applied 79 place count 1094 transition count 1477
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 83 place count 1094 transition count 1473
Applied a total of 83 rules in 283 ms. Remains 1094 /1129 variables (removed 35) and now considering 1473/1521 (removed 48) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4475772824536047488.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11258954927091760222.kers'
[2026-05-27 22:22:57] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4475772824536047488.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11258954927091760222.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 1473 rows 1094 cols 4377 entries
Finished phase 1 with 1074 SingleSign rule and 0 generalized
[2026-05-27 22:22:57] [INFO ] Computed 20 invariants in 9 ms
Computed 20 P flows in 15 ms.
Exported basis to /tmp/petrispot-output-11258954927091760222.kers
Total runtime 16 ms.
[2026-05-27 22:23:00] [INFO ] Implicit Places using invariants in 2797 ms returned []
[2026-05-27 22:23:00] [INFO ] Invariant cache hit.
[2026-05-27 22:23:03] [INFO ] Implicit Places using invariants and state equation in 3416 ms returned []
Implicit Place search using SMT with State Equation took 6217 ms to find 0 implicit places.
Running 1472 sub problems to find dead transitions.
[2026-05-27 22:23:03] [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 1093/2567 variables, and 0 constraints, problems are : Problem set: 0 solved, 1472 unsolved in 30051 ms.
Refiners :[Positive P Invariants (semi-flows): 0/20 constraints, State Equation: 0/1094 constraints, PredecessorRefiner: 1472/1472 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1472 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1093/2567 variables, and 0 constraints, problems are : Problem set: 0 solved, 1472 unsolved in 30065 ms.
Refiners :[Positive P Invariants (semi-flows): 0/20 constraints, State Equation: 0/1094 constraints, PredecessorRefiner: 0/1472 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60991ms problems are : Problem set: 0 solved, 1472 unsolved
Search for dead transitions found 0 dead transitions in 60994ms
Starting structural reductions in LTL mode, iteration 1 : 1094/1129 places, 1473/1521 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 67500 ms. Remains : 1094/1129 places, 1473/1521 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(G(p0))&&(p1||X((p1&&X(G((p1||G(p2))))))))))'
Stuttering acceptance computed with spot in 310 ms :[(OR (NOT p1) (NOT p0)), (NOT p0), (NOT p1), true, (AND (NOT p2) (NOT p1)), (NOT p2)]
Running random walk in product with property : FlexibleBarrier-PT-18b-LTLFireability-07
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-18b-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-18b-LTLFireability-07 finished in 67891 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 1129 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1129/1129 places, 1521/1521 transitions.
Graph (trivial) has 763 edges and 1129 vertex of which 103 / 1129 are part of one of the 17 SCC in 3 ms
Free SCC test removed 86 places
Ensure Unique test removed 87 transitions
Reduce isomorphic transitions removed 87 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 88 transitions
Trivial Post-agglo rules discarded 88 transitions
Performed 88 trivial Post agglomeration. Transition count delta: 88
Iterating post reduction 0 with 88 rules applied. Total rules applied 89 place count 1042 transition count 1345
Reduce places removed 88 places and 0 transitions.
Iterating post reduction 1 with 88 rules applied. Total rules applied 177 place count 954 transition count 1345
Performed 48 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 48 Pre rules applied. Total rules applied 177 place count 954 transition count 1297
Deduced a syphon composed of 48 places in 1 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 2 with 96 rules applied. Total rules applied 273 place count 906 transition count 1297
Discarding 51 places :
Symmetric choice reduction at 2 with 51 rule applications. Total rules 324 place count 855 transition count 1246
Iterating global reduction 2 with 51 rules applied. Total rules applied 375 place count 855 transition count 1246
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 377 place count 855 transition count 1244
Discarding 10 places :
Symmetric choice reduction at 3 with 10 rule applications. Total rules 387 place count 845 transition count 1234
Iterating global reduction 3 with 10 rules applied. Total rules applied 397 place count 845 transition count 1234
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 3 with 10 rules applied. Total rules applied 407 place count 845 transition count 1224
Performed 113 Post agglomeration using F-continuation condition.Transition count delta: 113
Deduced a syphon composed of 113 places in 0 ms
Reduce places removed 113 places and 0 transitions.
Iterating global reduction 4 with 226 rules applied. Total rules applied 633 place count 732 transition count 1111
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 635 place count 730 transition count 1109
Iterating global reduction 4 with 2 rules applied. Total rules applied 637 place count 730 transition count 1109
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 639 place count 730 transition count 1107
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 641 place count 729 transition count 1107
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 643 place count 727 transition count 1105
Applied a total of 643 rules in 500 ms. Remains 727 /1129 variables (removed 402) and now considering 1105/1521 (removed 416) transitions.
[2026-05-27 22:24:05] [INFO ] Flow matrix only has 1055 transitions (discarded 50 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1681401623829494473.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12572149858909512470.kers'
[2026-05-27 22:24:05] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1681401623829494473.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12572149858909512470.kers]
Normalized transition count is 1054 out of 1055 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 1 ms.
// Phase 1: matrix 1054 rows 726 cols 3375 entries
Finished phase 1 with 707 SingleSign rule and 0 generalized
[2026-05-27 22:24:05] [INFO ] Computed 20 invariants in 12 ms
Computed 20 P flows in 13 ms.
Exported basis to /tmp/petrispot-output-12572149858909512470.kers
Total runtime 15 ms.
[2026-05-27 22:24:08] [INFO ] Implicit Places using invariants in 2300 ms returned []
[2026-05-27 22:24:08] [INFO ] Flow matrix only has 1055 transitions (discarded 50 similar events)
[2026-05-27 22:24:08] [INFO ] Invariant cache hit.
[2026-05-27 22:24:11] [INFO ] Implicit Places using invariants and state equation in 3149 ms returned []
Implicit Place search using SMT with State Equation took 5453 ms to find 0 implicit places.
[2026-05-27 22:24:11] [INFO ] Redundant transitions in 48 ms returned []
Running 778 sub problems to find dead transitions.
[2026-05-27 22:24:11] [INFO ] Flow matrix only has 1055 transitions (discarded 50 similar events)
[2026-05-27 22:24:11] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/725 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 778 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 725/1782 variables, and 18 constraints, problems are : Problem set: 0 solved, 778 unsolved in 30031 ms.
Refiners :[Positive P Invariants (semi-flows): 18/20 constraints, State Equation: 0/727 constraints, PredecessorRefiner: 778/778 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 778 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/725 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 778 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/725 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 778 unsolved
At refinement iteration 2 (OVERLAPS) 2/727 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 778 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 727/1782 variables, and 20 constraints, problems are : Problem set: 0 solved, 778 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 0/727 constraints, PredecessorRefiner: 0/778 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60939ms problems are : Problem set: 0 solved, 778 unsolved
Search for dead transitions found 0 dead transitions in 60942ms
Starting structural reductions in SI_LTL mode, iteration 1 : 727/1129 places, 1105/1521 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 66955 ms. Remains : 727/1129 places, 1105/1521 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 49 ms :[(NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-18b-LTLFireability-08
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-18b-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-18b-LTLFireability-08 finished in 67055 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) U X(X(X((X(!p0)||(p1&&X(!p1))))))))'
Support contains 4 out of 1129 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1129/1129 places, 1521/1521 transitions.
Discarding 16 places :
Symmetric choice reduction at 0 with 16 rule applications. Total rules 16 place count 1113 transition count 1505
Iterating global reduction 0 with 16 rules applied. Total rules applied 32 place count 1113 transition count 1505
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 33 place count 1113 transition count 1504
Discarding 15 places :
Symmetric choice reduction at 1 with 15 rule applications. Total rules 48 place count 1098 transition count 1489
Iterating global reduction 1 with 15 rules applied. Total rules applied 63 place count 1098 transition count 1489
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 71 place count 1098 transition count 1481
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 76 place count 1093 transition count 1476
Iterating global reduction 2 with 5 rules applied. Total rules applied 81 place count 1093 transition count 1476
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 84 place count 1093 transition count 1473
Applied a total of 84 rules in 203 ms. Remains 1093 /1129 variables (removed 36) and now considering 1473/1521 (removed 48) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7264568578708209108.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12821340581415932324.kers'
[2026-05-27 22:25:12] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7264568578708209108.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12821340581415932324.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 1473 rows 1093 cols 4381 entries
Finished phase 1 with 1073 SingleSign rule and 0 generalized
[2026-05-27 22:25:12] [INFO ] Computed 20 invariants in 8 ms
Computed 20 P flows in 9 ms.
Exported basis to /tmp/petrispot-output-12821340581415932324.kers
Total runtime 12 ms.
[2026-05-27 22:25:14] [INFO ] Implicit Places using invariants in 2264 ms returned []
[2026-05-27 22:25:14] [INFO ] Invariant cache hit.
[2026-05-27 22:25:18] [INFO ] Implicit Places using invariants and state equation in 3201 ms returned []
Implicit Place search using SMT with State Equation took 5468 ms to find 0 implicit places.
Running 1472 sub problems to find dead transitions.
[2026-05-27 22:25:18] [INFO ] Invariant cache hit.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1092/2566 variables, and 0 constraints, problems are : Problem set: 0 solved, 1472 unsolved in 30051 ms.
Refiners :[Positive P Invariants (semi-flows): 0/20 constraints, State Equation: 0/1093 constraints, PredecessorRefiner: 1472/1472 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1472 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1092/2566 variables, and 0 constraints, problems are : Problem set: 0 solved, 1472 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 0/20 constraints, State Equation: 0/1093 constraints, PredecessorRefiner: 0/1472 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60881ms problems are : Problem set: 0 solved, 1472 unsolved
Search for dead transitions found 0 dead transitions in 60884ms
Starting structural reductions in LTL mode, iteration 1 : 1093/1129 places, 1473/1521 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 66559 ms. Remains : 1093/1129 places, 1473/1521 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) U X(X(X((X(!p0)||(p1&&X(!p1))))))))'
Stuttering acceptance computed with spot in 579 ms :[p0, p0, p0, p0, p0, p0, (AND p0 p1), true, p0, p0, p0, (AND p0 p1), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-18b-LTLFireability-10
Product exploration explored 100000 steps with 20000 reset in 354 ms.
Product exploration explored 100000 steps with 20000 reset in 437 ms.
Computed a total of 20 stabilizing places and 20 stable transitions
Computed a total of 20 stabilizing places and 20 stable transitions
Knowledge based reduction with 3 factoid took 85 ms. Reduced automaton from 13 states, 24 edges and 2 AP (stutter sensitive) to 7 states, 8 edges and 2 AP (stutter sensitive).
RANDOM walk for 40000 steps (318 resets) in 299 ms. (133 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (25 resets) in 307 ms. (129 steps per ms) remains 2/3 properties
BEST_FIRST walk for 40004 steps (27 resets) in 146 ms. (272 steps per ms) remains 2/2 properties
[2026-05-27 22:26:20] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 436/440 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/440 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 653/1093 variables, 16/20 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1093 variables, 6/26 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1093 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 1473/2566 variables, 1093/1119 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2566 variables, 0/1119 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/2566 variables, 0/1119 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2566/2566 variables, and 1119 constraints, problems are : Problem set: 0 solved, 2 unsolved in 4547 ms.
Refiners :[Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 1093/1093 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 436/440 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/440 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 653/1093 variables, 16/20 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1093 variables, 6/26 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1093 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 1473/2566 variables, 1093/1119 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2566 variables, 2/1121 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2566 variables, 0/1121 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/2566 variables, 0/1121 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2566/2566 variables, and 1121 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1892 ms.
Refiners :[Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 1093/1093 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6455ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Finished Parikh walk after 110 steps, including 0 resets, run visited all 2 properties in 2 ms. (steps per millisecond=55 )
Parikh walk visited 2 properties in 2 ms.
Knowledge based reduction with 3 factoid took 110 ms. Reduced automaton from 7 states, 8 edges and 2 AP (stutter sensitive) to 7 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 338 ms :[p0, (AND p0 p1), p0, p0, p0, p0, true]
Knowledge-based reduction took 7252 ms.
Stuttering acceptance computed with spot in 314 ms :[p0, (AND p0 p1), p0, p0, p0, p0, true]
Support contains 4 out of 1093 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1093/1093 places, 1473/1473 transitions.
Applied a total of 0 rules in 91 ms. Remains 1093 /1093 variables (removed 0) and now considering 1473/1473 (removed 0) transitions.
[2026-05-27 22:26:28] [INFO ] Invariant cache hit.
[2026-05-27 22:26:30] [INFO ] Implicit Places using invariants in 2638 ms returned []
[2026-05-27 22:26:30] [INFO ] Invariant cache hit.
[2026-05-27 22:26:33] [INFO ] Implicit Places using invariants and state equation in 2865 ms returned []
Implicit Place search using SMT with State Equation took 5515 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 5612 ms. Remains : 1093/1093 places, 1473/1473 transitions.
Computed a total of 20 stabilizing places and 20 stable transitions
Computed a total of 20 stabilizing places and 20 stable transitions
Knowledge based reduction with 1 factoid took 80 ms. Reduced automaton from 7 states, 8 edges and 2 AP (stutter sensitive) to 7 states, 8 edges and 2 AP (stutter sensitive).
RANDOM walk for 40000 steps (320 resets) in 365 ms. (109 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (24 resets) in 57 ms. (689 steps per ms) remains 2/3 properties
BEST_FIRST walk for 40003 steps (27 resets) in 36 ms. (1081 steps per ms) remains 2/2 properties
[2026-05-27 22:26:33] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 436/440 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/440 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 653/1093 variables, 16/20 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1093 variables, 6/26 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1093 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 1473/2566 variables, 1093/1119 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2566 variables, 0/1119 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/2566 variables, 0/1119 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2566/2566 variables, and 1119 constraints, problems are : Problem set: 0 solved, 2 unsolved in 4841 ms.
Refiners :[Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 1093/1093 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 436/440 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/440 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 653/1093 variables, 16/20 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1093 variables, 6/26 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1093 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 1473/2566 variables, 1093/1119 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2566 variables, 2/1121 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2566 variables, 0/1121 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/2566 variables, 0/1121 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2566/2566 variables, and 1121 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1645 ms.
Refiners :[Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 1093/1093 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6496ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Finished Parikh walk after 111 steps, including 0 resets, run visited all 2 properties in 2 ms. (steps per millisecond=55 )
Parikh walk visited 2 properties in 3 ms.
Knowledge based reduction with 1 factoid took 85 ms. Reduced automaton from 7 states, 8 edges and 2 AP (stutter sensitive) to 7 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 267 ms :[p0, (AND p0 p1), p0, p0, p0, p0, true]
Knowledge-based reduction took 7153 ms.
Stuttering acceptance computed with spot in 298 ms :[p0, (AND p0 p1), p0, p0, p0, p0, true]
Stuttering acceptance computed with spot in 293 ms :[p0, (AND p0 p1), p0, p0, p0, p0, true]
Product exploration explored 100000 steps with 20000 reset in 337 ms.
Product exploration explored 100000 steps with 20000 reset in 366 ms.
Spot run failed in 89 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/autstates.py", line 2, in
import spot
ModuleNotFoundError: No module named 'spot'
java.io.IOException
at fr.lip6.move.gal.application.runner.spot.SpotRunner.computeForwardClosedSI(SpotRunner.java:551)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.treatPartialPOR(LTLPropertySolver.java:419)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:280)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:217)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:66)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:849)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
Built C files in :
/tmp/ltsmin14941368633116053172
[2026-05-27 22:26:42] [INFO ] Built C files in 32ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin14941368633116053172
Running compilation step : cd /tmp/ltsmin14941368633116053172;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin14941368633116053172;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin14941368633116053172;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:94)
at java.base/java.lang.Thread.run(Thread.java:1583)
Support contains 4 out of 1093 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1093/1093 places, 1473/1473 transitions.
Applied a total of 0 rules in 46 ms. Remains 1093 /1093 variables (removed 0) and now considering 1473/1473 (removed 0) transitions.
[2026-05-27 22:26:45] [INFO ] Invariant cache hit.
[2026-05-27 22:26:47] [INFO ] Implicit Places using invariants in 2438 ms returned []
[2026-05-27 22:26:47] [INFO ] Invariant cache hit.
[2026-05-27 22:26:50] [INFO ] Implicit Places using invariants and state equation in 2962 ms returned []
Implicit Place search using SMT with State Equation took 5403 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 5451 ms. Remains : 1093/1093 places, 1473/1473 transitions.
Built C files in :
/tmp/ltsmin17298365109353812393
[2026-05-27 22:26:50] [INFO ] Built C files in 18ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin17298365109353812393
Running compilation step : cd /tmp/ltsmin17298365109353812393;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin17298365109353812393;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin17298365109353812393;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:94)
at java.base/java.lang.Thread.run(Thread.java:1583)
[2026-05-27 22:26:53] [INFO ] Flatten gal took : 32 ms
[2026-05-27 22:26:53] [INFO ] Flatten gal took : 36 ms
[2026-05-27 22:26:53] [INFO ] Time to serialize gal into /tmp/LTL16604840852264551814.gal : 9 ms
[2026-05-27 22:26:53] [INFO ] Time to serialize properties into /tmp/LTL1400011324686525987.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL16604840852264551814.gal' '-t' 'CGAL' '-hoa' '/tmp/aut2091992171484219333.hoa' '-atoms' '/tmp/LTL1400011324686525987.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...318
Loading property file /tmp/LTL1400011324686525987.prop.
Loaded 2 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut2091992171484219333.hoa
Detected timeout of ITS tools.
[2026-05-27 22:27:08] [INFO ] Flatten gal took : 29 ms
[2026-05-27 22:27:08] [INFO ] Flatten gal took : 29 ms
[2026-05-27 22:27:08] [INFO ] Time to serialize gal into /tmp/LTL6466231325913760758.gal : 9 ms
[2026-05-27 22:27:08] [INFO ] Time to serialize properties into /tmp/LTL2782391988095494681.ltl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL6466231325913760758.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL2782391988095494681.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...275
Read 1 LTL properties
Checking formula 0 : !(((G("(((p1326==1)&&(p1755==1))&&(p3746==1))"))U(X(X(X((X(!("(((p1326==1)&&(p1755==1))&&(p3746==1))")))||(("(p874==1)")&&(X("(p874!=1...166
Formula 0 simplified : F!"(((p1326==1)&&(p1755==1))&&(p3746==1))" R XXX(X"(((p1326==1)&&(p1755==1))&&(p3746==1))" & (!"(p874==1)" | X!"(p874!=1)"))
Detected timeout of ITS tools.
[2026-05-27 22:27:24] [INFO ] Flatten gal took : 24 ms
[2026-05-27 22:27:24] [INFO ] Applying decomposition
[2026-05-27 22:27:24] [INFO ] Flatten gal took : 24 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph12946213575292906382.txt' '-o' '/tmp/graph12946213575292906382.bin' '-w' '/tmp/graph12946213575292906382.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph12946213575292906382.bin' '-l' '-1' '-v' '-w' '/tmp/graph12946213575292906382.weights' '-q' '0' '-e' '0.001'
[2026-05-27 22:27:24] [INFO ] Decomposing Gal with order
[2026-05-27 22:27:24] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-27 22:27:24] [INFO ] Removed a total of 432 redundant transitions.
[2026-05-27 22:27:24] [INFO ] Flatten gal took : 150 ms
[2026-05-27 22:27:24] [INFO ] Fuse similar labels procedure discarded/fused a total of 26 labels/synchronizations in 20 ms.
[2026-05-27 22:27:24] [INFO ] Time to serialize gal into /tmp/LTL592174763788473152.gal : 31 ms
[2026-05-27 22:27:24] [INFO ] Time to serialize properties into /tmp/LTL1132364796201705359.ltl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL592174763788473152.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL1132364796201705359.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...253
Read 1 LTL properties
Checking formula 0 : !(((G("(((i10.i0.i0.u90.p1326==1)&&(i13.u119.p1755==1))&&(u189.p3746==1))"))U(X(X(X((X(!("(((i10.i0.i0.u90.p1326==1)&&(i13.u119.p1755=...248
Formula 0 simplified : F!"(((i10.i0.i0.u90.p1326==1)&&(i13.u119.p1755==1))&&(u189.p3746==1))" R XXX(X"(((i10.i0.i0.u90.p1326==1)&&(i13.u119.p1755==1))&&(u1...229
Detected timeout of ITS tools.
Treatment of property FlexibleBarrier-PT-18b-LTLFireability-10 finished in 147202 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((p0||X(((p1||G(p2)) U (p0&&(p1||G(p2)))))))))'
Support contains 3 out of 1129 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1129/1129 places, 1521/1521 transitions.
Discarding 17 places :
Symmetric choice reduction at 0 with 17 rule applications. Total rules 17 place count 1112 transition count 1504
Iterating global reduction 0 with 17 rules applied. Total rules applied 34 place count 1112 transition count 1504
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 36 place count 1112 transition count 1502
Discarding 15 places :
Symmetric choice reduction at 1 with 15 rule applications. Total rules 51 place count 1097 transition count 1487
Iterating global reduction 1 with 15 rules applied. Total rules applied 66 place count 1097 transition count 1487
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 74 place count 1097 transition count 1479
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 79 place count 1092 transition count 1474
Iterating global reduction 2 with 5 rules applied. Total rules applied 84 place count 1092 transition count 1474
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 87 place count 1092 transition count 1471
Applied a total of 87 rules in 406 ms. Remains 1092 /1129 variables (removed 37) and now considering 1471/1521 (removed 50) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16243355724824392312.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14517704187270928330.kers'
[2026-05-27 22:27:39] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16243355724824392312.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14517704187270928330.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 1471 rows 1092 cols 4373 entries
Finished phase 1 with 1072 SingleSign rule and 0 generalized
[2026-05-27 22:27:39] [INFO ] Computed 20 invariants in 13 ms
Computed 20 P flows in 14 ms.
Exported basis to /tmp/petrispot-output-14517704187270928330.kers
Total runtime 15 ms.
[2026-05-27 22:27:42] [INFO ] Implicit Places using invariants in 2339 ms returned []
[2026-05-27 22:27:42] [INFO ] Invariant cache hit.
[2026-05-27 22:27:45] [INFO ] Implicit Places using invariants and state equation in 3209 ms returned []
Implicit Place search using SMT with State Equation took 5558 ms to find 0 implicit places.
Running 1470 sub problems to find dead transitions.
[2026-05-27 22:27:45] [INFO ] Invariant cache hit.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1091/2563 variables, and 0 constraints, problems are : Problem set: 0 solved, 1470 unsolved in 30057 ms.
Refiners :[Positive P Invariants (semi-flows): 0/20 constraints, State Equation: 0/1092 constraints, PredecessorRefiner: 1470/1470 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1470 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1091/2563 variables, and 0 constraints, problems are : Problem set: 0 solved, 1470 unsolved in 30048 ms.
Refiners :[Positive P Invariants (semi-flows): 0/20 constraints, State Equation: 0/1092 constraints, PredecessorRefiner: 0/1470 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61467ms problems are : Problem set: 0 solved, 1470 unsolved
Search for dead transitions found 0 dead transitions in 61472ms
Starting structural reductions in LTL mode, iteration 1 : 1092/1129 places, 1471/1521 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 67445 ms. Remains : 1092/1129 places, 1471/1521 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((p0||X(((p1||G(p2)) U (p0&&(p1||G(p2)))))))))'
Stuttering acceptance computed with spot in 266 ms :[(NOT p0), (NOT p0), (NOT p0), (OR (NOT p0) (AND (NOT p1) (NOT p2))), true, (NOT p2)]
Running random walk in product with property : FlexibleBarrier-PT-18b-LTLFireability-11
Product exploration explored 100000 steps with 33333 reset in 407 ms.
Product exploration explored 100000 steps with 33333 reset in 405 ms.
Computed a total of 20 stabilizing places and 20 stable transitions
Computed a total of 20 stabilizing places and 20 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 2 factoid took 13 ms. Proved property starting from automaton with 6 states, 9 edges and 3 AP (stutter sensitive
Knowledge-based reduction took 33 ms.
FORMULA FlexibleBarrier-PT-18b-LTLFireability-11 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FlexibleBarrier-PT-18b-LTLFireability-11 finished in 68615 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G(p0))))'
Support contains 1 out of 1129 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1129/1129 places, 1521/1521 transitions.
Discarding 18 places :
Symmetric choice reduction at 0 with 18 rule applications. Total rules 18 place count 1111 transition count 1503
Iterating global reduction 0 with 18 rules applied. Total rules applied 36 place count 1111 transition count 1503
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 38 place count 1111 transition count 1501
Discarding 16 places :
Symmetric choice reduction at 1 with 16 rule applications. Total rules 54 place count 1095 transition count 1485
Iterating global reduction 1 with 16 rules applied. Total rules applied 70 place count 1095 transition count 1485
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 78 place count 1095 transition count 1477
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 84 place count 1089 transition count 1471
Iterating global reduction 2 with 6 rules applied. Total rules applied 90 place count 1089 transition count 1471
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 94 place count 1089 transition count 1467
Applied a total of 94 rules in 243 ms. Remains 1089 /1129 variables (removed 40) and now considering 1467/1521 (removed 54) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8707050326502561653.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8885981361383553173.kers'
[2026-05-27 22:28:48] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8707050326502561653.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8885981361383553173.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 1467 rows 1089 cols 4361 entries
Finished phase 1 with 1069 SingleSign rule and 0 generalized
[2026-05-27 22:28:48] [INFO ] Computed 20 invariants in 9 ms
Computed 20 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-8885981361383553173.kers
Total runtime 11 ms.
[2026-05-27 22:28:50] [INFO ] Implicit Places using invariants in 2340 ms returned []
[2026-05-27 22:28:50] [INFO ] Invariant cache hit.
[2026-05-27 22:28:53] [INFO ] Implicit Places using invariants and state equation in 3243 ms returned []
Implicit Place search using SMT with State Equation took 5592 ms to find 0 implicit places.
Running 1466 sub problems to find dead transitions.
[2026-05-27 22:28:54] [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 1088/2556 variables, and 0 constraints, problems are : Problem set: 0 solved, 1466 unsolved in 30060 ms.
Refiners :[Positive P Invariants (semi-flows): 0/20 constraints, State Equation: 0/1089 constraints, PredecessorRefiner: 1466/1466 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1466 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1088/2556 variables, and 0 constraints, problems are : Problem set: 0 solved, 1466 unsolved in 30051 ms.
Refiners :[Positive P Invariants (semi-flows): 0/20 constraints, State Equation: 0/1089 constraints, PredecessorRefiner: 0/1466 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60985ms problems are : Problem set: 0 solved, 1466 unsolved
Search for dead transitions found 0 dead transitions in 60989ms
Starting structural reductions in LTL mode, iteration 1 : 1089/1129 places, 1467/1521 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 66832 ms. Remains : 1089/1129 places, 1467/1521 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G(p0))))'
Stuttering acceptance computed with spot in 135 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-18b-LTLFireability-13
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-18b-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-18b-LTLFireability-13 finished in 67012 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)||G(F(p1)))) U (G(p2)&&X(p1))))'
Support contains 5 out of 1129 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1129/1129 places, 1521/1521 transitions.
Discarding 16 places :
Symmetric choice reduction at 0 with 16 rule applications. Total rules 16 place count 1113 transition count 1505
Iterating global reduction 0 with 16 rules applied. Total rules applied 32 place count 1113 transition count 1505
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 33 place count 1113 transition count 1504
Discarding 15 places :
Symmetric choice reduction at 1 with 15 rule applications. Total rules 48 place count 1098 transition count 1489
Iterating global reduction 1 with 15 rules applied. Total rules applied 63 place count 1098 transition count 1489
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 71 place count 1098 transition count 1481
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 77 place count 1092 transition count 1475
Iterating global reduction 2 with 6 rules applied. Total rules applied 83 place count 1092 transition count 1475
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 87 place count 1092 transition count 1471
Applied a total of 87 rules in 217 ms. Remains 1092 /1129 variables (removed 37) and now considering 1471/1521 (removed 50) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9834863540991334349.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1027922765657896589.kers'
[2026-05-27 22:29:55] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9834863540991334349.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1027922765657896589.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 1471 rows 1092 cols 4373 entries
Finished phase 1 with 1072 SingleSign rule and 0 generalized
[2026-05-27 22:29:55] [INFO ] Computed 20 invariants in 8 ms
Computed 20 P flows in 9 ms.
Exported basis to /tmp/petrispot-output-1027922765657896589.kers
Total runtime 12 ms.
[2026-05-27 22:29:57] [INFO ] Implicit Places using invariants in 2241 ms returned []
[2026-05-27 22:29:57] [INFO ] Invariant cache hit.
[2026-05-27 22:30:01] [INFO ] Implicit Places using invariants and state equation in 3476 ms returned []
Implicit Place search using SMT with State Equation took 5720 ms to find 0 implicit places.
Running 1470 sub problems to find dead transitions.
[2026-05-27 22:30:01] [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 1091/2563 variables, and 0 constraints, problems are : Problem set: 0 solved, 1470 unsolved in 30031 ms.
Refiners :[Positive P Invariants (semi-flows): 0/20 constraints, State Equation: 0/1092 constraints, PredecessorRefiner: 1470/1470 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1470 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1091/2563 variables, and 0 constraints, problems are : Problem set: 0 solved, 1470 unsolved in 30039 ms.
Refiners :[Positive P Invariants (semi-flows): 0/20 constraints, State Equation: 0/1092 constraints, PredecessorRefiner: 0/1470 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61044ms problems are : Problem set: 0 solved, 1470 unsolved
Search for dead transitions found 0 dead transitions in 61047ms
Starting structural reductions in LTL mode, iteration 1 : 1092/1129 places, 1471/1521 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 66989 ms. Remains : 1092/1129 places, 1471/1521 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)||G(F(p1)))) U (G(p2)&&X(p1))))'
Stuttering acceptance computed with spot in 347 ms :[(OR (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1)), (NOT p2), (NOT p1), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p2) p0)]
Running random walk in product with property : FlexibleBarrier-PT-18b-LTLFireability-15
Stuttering criterion allowed to conclude after 133 steps with 0 reset in 1 ms.
FORMULA FlexibleBarrier-PT-18b-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-18b-LTLFireability-15 finished in 67419 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G((p0 U (!p0 U X(X(X(p0)))))))))'
Spot run failed in 84 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/senseclsl.py", line 2, in
import spot, sys
ModuleNotFoundError: No module named 'spot'
Warning : SL/CL computation failed.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0) U X(X(X((X(!p0)||(p1&&X(!p1))))))))'
Spot run failed in 79 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/senseclsl.py", line 2, in
import spot, sys
ModuleNotFoundError: No module named 'spot'
Warning : SL/CL computation failed.
[2026-05-27 22:31:02] [INFO ] Flatten gal took : 27 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin3188759912488874360
[2026-05-27 22:31:02] [INFO ] Too many transitions (1521) to apply POR reductions. Disabling POR matrices.
[2026-05-27 22:31:02] [INFO ] Applying decomposition
[2026-05-27 22:31:02] [INFO ] Built C files in 34ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin3188759912488874360
Running compilation step : cd /tmp/ltsmin3188759912488874360;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '360' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
[2026-05-27 22:31:02] [INFO ] Flatten gal took : 29 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph9885043708164526890.txt' '-o' '/tmp/graph9885043708164526890.bin' '-w' '/tmp/graph9885043708164526890.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph9885043708164526890.bin' '-l' '-1' '-v' '-w' '/tmp/graph9885043708164526890.weights' '-q' '0' '-e' '0.001'
[2026-05-27 22:31:03] [INFO ] Decomposing Gal with order
[2026-05-27 22:31:03] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-27 22:31:03] [INFO ] Removed a total of 434 redundant transitions.
[2026-05-27 22:31:03] [INFO ] Flatten gal took : 180 ms
[2026-05-27 22:31:03] [INFO ] Fuse similar labels procedure discarded/fused a total of 20 labels/synchronizations in 42 ms.
[2026-05-27 22:31:03] [INFO ] Time to serialize gal into /tmp/LTLFireability14748579135062620225.gal : 18 ms
[2026-05-27 22:31:03] [INFO ] Time to serialize properties into /tmp/LTLFireability8965444925198327320.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTLFireability14748579135062620225.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability8965444925198327320.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...277
Read 2 LTL properties
Checking formula 0 : !((X(X(G(("(i18.i1.i1.u185.p2670!=1)")U(("(i18.i1.i1.u185.p2670==1)")U(X(X(X("(i18.i1.i1.u185.p2670!=1)"))))))))))
Formula 0 simplified : XXF(!"(i18.i1.i1.u185.p2670!=1)" R (!"(i18.i1.i1.u185.p2670==1)" R XXX!"(i18.i1.i1.u185.p2670!=1)"))
Compilation finished in 4845 ms.
Running link step : cd /tmp/ltsmin3188759912488874360;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 62 ms.
Running LTSmin : cd /tmp/ltsmin3188759912488874360;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--ltl' 'X(X([](((LTLAPp0==true) U (!(LTLAPp0==true) U X(X(X((LTLAPp0==true)))))))))' '--buchi-type=spotba'
WARNING : LTSmin timed out (>900 s) on command cd /tmp/ltsmin3188759912488874360;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--ltl' 'X(X([](((LTLAPp0==true) U (!(LTLAPp0==true) U X(X(X((LTLAPp0==true)))))))))' '--buchi-type=spotba'
Running LTSmin : cd /tmp/ltsmin3188759912488874360;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--ltl' '([]((LTLAPp1==true)) U X(X(X((X(!(LTLAPp1==true))||((LTLAPp2==true)&&X(!(LTLAPp2==true))))))))' '--buchi-type=spotba'
LTSmin run took 618 ms.
FORMULA FlexibleBarrier-PT-18b-LTLFireability-10 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Retrying LTSmin with larger timeout 14400 s
Running LTSmin : cd /tmp/ltsmin3188759912488874360;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--ltl' 'X(X([](((LTLAPp0==true) U (!(LTLAPp0==true) U X(X(X((LTLAPp0==true)))))))))' '--buchi-type=spotba'
Detected timeout of ITS tools.
[2026-05-27 22:57:13] [INFO ] Applying decomposition
[2026-05-27 22:57:14] [INFO ] Flatten gal took : 710 ms
[2026-05-27 22:57:15] [INFO ] Decomposing Gal with order
[2026-05-27 22:57:15] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-27 22:57:17] [INFO ] Removed a total of 411 redundant transitions.
[2026-05-27 22:57:17] [INFO ] Flatten gal took : 1797 ms
[2026-05-27 22:57:22] [INFO ] Fuse similar labels procedure discarded/fused a total of 1294 labels/synchronizations in 3555 ms.
[2026-05-27 22:57:22] [INFO ] Time to serialize gal into /tmp/LTLFireability4404571758574618653.gal : 252 ms
[2026-05-27 22:57:22] [INFO ] Time to serialize properties into /tmp/LTLFireability14453838427362596101.ltl : 3 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTLFireability4404571758574618653.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability14453838427362596101.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...277
Read 1 LTL properties
Checking formula 0 : !((X(X(G(("(i0.i0.u34.p2670!=1)")U(("(i0.i0.u34.p2670==1)")U(X(X(X("(i0.i0.u34.p2670!=1)"))))))))))
Formula 0 simplified : XXF(!"(i0.i0.u34.p2670!=1)" R (!"(i0.i0.u34.p2670==1)" R XXX!"(i0.i0.u34.p2670!=1)"))

BK_TIME_CONFINEMENT_REACHED

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ 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-18b"
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-18b, 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-177955809100428"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-18b.tgz
mv FlexibleBarrier-PT-18b execution
cd execution
if [ "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 ;