fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r114-smll-177955740400060
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for DoubleLock-PT-p3s3

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
16202.031 3600000.00 6450232.00 154606.00 FFF?FFFFFF?FFTFF normal

Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r114-smll-177955740400060.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is DoubleLock-PT-p3s3, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r114-smll-177955740400060
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.8M
-rw-r--r-- 1 mcc users 7.7K Mar 6 18:10 CTLCardinality.txt
-rw-r--r-- 1 mcc users 84K Mar 6 18:10 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K Mar 6 18:09 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K Mar 6 18:09 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 09:40 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 09:40 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 09:40 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Mar 15 09:40 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.8K Mar 6 18:10 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 104K Mar 6 18:10 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.8K Mar 6 18:10 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 64K Mar 6 18:10 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:40 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:40 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 1.4M 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 DoubleLock-PT-p3s3-LTLFireability-00
FORMULA_NAME DoubleLock-PT-p3s3-LTLFireability-01
FORMULA_NAME DoubleLock-PT-p3s3-LTLFireability-02
FORMULA_NAME DoubleLock-PT-p3s3-LTLFireability-03
FORMULA_NAME DoubleLock-PT-p3s3-LTLFireability-04
FORMULA_NAME DoubleLock-PT-p3s3-LTLFireability-05
FORMULA_NAME DoubleLock-PT-p3s3-LTLFireability-06
FORMULA_NAME DoubleLock-PT-p3s3-LTLFireability-07
FORMULA_NAME DoubleLock-PT-p3s3-LTLFireability-08
FORMULA_NAME DoubleLock-PT-p3s3-LTLFireability-09
FORMULA_NAME DoubleLock-PT-p3s3-LTLFireability-10
FORMULA_NAME DoubleLock-PT-p3s3-LTLFireability-11
FORMULA_NAME DoubleLock-PT-p3s3-LTLFireability-12
FORMULA_NAME DoubleLock-PT-p3s3-LTLFireability-13
FORMULA_NAME DoubleLock-PT-p3s3-LTLFireability-14
FORMULA_NAME DoubleLock-PT-p3s3-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779634182265

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DoubleLock-PT-p3s3
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-24 14:49:44] [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]
[2026-05-24 14:49:44] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 14:49:45] [INFO ] Load time of PNML (sax parser for PT used): 560 ms
[2026-05-24 14:49:45] [INFO ] Transformed 306 places.
[2026-05-24 14:49:45] [INFO ] Transformed 3136 transitions.
[2026-05-24 14:49:45] [INFO ] Parsed PT model containing 306 places and 3136 transitions and 12672 arcs in 869 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 37 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
Deduced a syphon composed of 68 places in 41 ms
Reduce places removed 68 places and 128 transitions.
FORMULA DoubleLock-PT-p3s3-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p3s3-LTLFireability-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p3s3-LTLFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 46 out of 238 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 238/238 places, 3008/3008 transitions.
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 235 transition count 3008
Applied a total of 3 rules in 67 ms. Remains 235 /238 variables (removed 3) and now considering 3008/3008 (removed 0) transitions.
[2026-05-24 14:49:46] [INFO ] Flow matrix only has 2121 transitions (discarded 887 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14835696669796839632.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2109735326832778484.kers'
[2026-05-24 14:49:46] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14835696669796839632.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2109735326832778484.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 2121 rows 235 cols 8170 entries
Finished phase 1 with 232 SingleSign rule and 1 generalized
[2026-05-24 14:49:46] [INFO ] Computed 2 invariants in 11 ms
Computed 2 P flows in 12 ms.
Exported basis to /tmp/petrispot-output-2109735326832778484.kers
Total runtime 15 ms.
[2026-05-24 14:49:47] [INFO ] Implicit Places using invariants in 870 ms returned []
[2026-05-24 14:49:47] [INFO ] Flow matrix only has 2121 transitions (discarded 887 similar events)
[2026-05-24 14:49:47] [INFO ] Invariant cache hit.
[2026-05-24 14:49:48] [INFO ] State equation strengthened by 143 read => feed constraints.
[2026-05-24 14:49:53] [INFO ] Implicit Places using invariants and state equation in 6167 ms returned []
Implicit Place search using SMT with State Equation took 7147 ms to find 0 implicit places.
Running 3006 sub problems to find dead transitions.
[2026-05-24 14:49:53] [INFO ] Flow matrix only has 2121 transitions (discarded 887 similar events)
[2026-05-24 14:49:53] [INFO ] Invariant cache hit.
[2026-05-24 14:49:53] [INFO ] State equation strengthened by 143 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/235 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3006 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/235 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 3006 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 235/2356 variables, and 2 constraints, problems are : Problem set: 0 solved, 3006 unsolved in 30177 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/235 constraints, ReadFeed: 0/143 constraints, PredecessorRefiner: 3006/3006 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3006 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/235 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3006 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/235 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 3006 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 235/2356 variables, and 2 constraints, problems are : Problem set: 0 solved, 3006 unsolved in 30106 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/235 constraints, ReadFeed: 0/143 constraints, PredecessorRefiner: 0/3006 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 65290ms problems are : Problem set: 0 solved, 3006 unsolved
Search for dead transitions found 0 dead transitions in 65386ms
Starting structural reductions in LTL mode, iteration 1 : 235/238 places, 3008/3008 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 72735 ms. Remains : 235/238 places, 3008/3008 transitions.
Starting structural reductions in LTL mode, iteration 0 : 235/235 places, 3008/3008 transitions.
Applied a total of 0 rules in 66 ms. Remains 235 /235 variables (removed 0) and now considering 3008/3008 (removed 0) transitions.
[2026-05-24 14:50:58] [INFO ] Flow matrix only has 2121 transitions (discarded 887 similar events)
[2026-05-24 14:50:58] [INFO ] Invariant cache hit.
[2026-05-24 14:50:59] [INFO ] Implicit Places using invariants in 416 ms returned []
[2026-05-24 14:50:59] [INFO ] Flow matrix only has 2121 transitions (discarded 887 similar events)
[2026-05-24 14:50:59] [INFO ] Invariant cache hit.
[2026-05-24 14:51:00] [INFO ] State equation strengthened by 143 read => feed constraints.
[2026-05-24 14:51:04] [INFO ] Implicit Places using invariants and state equation in 5256 ms returned []
Implicit Place search using SMT with State Equation took 5675 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 5758 ms. Remains : 235/235 places, 3008/3008 transitions.
Support contains 46 out of 235 places after structural reductions.
[2026-05-24 14:51:05] [INFO ] Flatten gal took : 449 ms
[2026-05-24 14:51:05] [INFO ] Flatten gal took : 202 ms
[2026-05-24 14:51:05] [INFO ] Input system was already deterministic with 3008 transitions.
RANDOM walk for 40007 steps (381 resets) in 3358 ms. (11 steps per ms) remains 13/29 properties
BEST_FIRST walk for 40004 steps (62 resets) in 327 ms. (121 steps per ms) remains 11/13 properties
BEST_FIRST walk for 40004 steps (58 resets) in 259 ms. (153 steps per ms) remains 9/11 properties
BEST_FIRST walk for 40004 steps (64 resets) in 180 ms. (221 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (65 resets) in 153 ms. (259 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (65 resets) in 113 ms. (350 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (69 resets) in 100 ms. (396 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (54 resets) in 117 ms. (339 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (70 resets) in 108 ms. (367 steps per ms) remains 8/9 properties
BEST_FIRST walk for 40004 steps (64 resets) in 171 ms. (232 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (56 resets) in 94 ms. (421 steps per ms) remains 8/8 properties
[2026-05-24 14:51:07] [INFO ] Flow matrix only has 2121 transitions (discarded 887 similar events)
[2026-05-24 14:51:07] [INFO ] Invariant cache hit.
[2026-05-24 14:51:07] [INFO ] State equation strengthened by 143 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 10/26 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 76/102 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 1805/1907 variables, 102/104 constraints. Problems are: Problem set: 0 solved, 8 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/1907 variables, 22/126 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1907 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Problem AtomicPropp20 is UNSAT
Problem AtomicPropp24 is UNSAT
At refinement iteration 8 (OVERLAPS) 449/2356 variables, 133/259 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2356 variables, 121/380 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2356 variables, 0/380 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 11 (OVERLAPS) 0/2356 variables, 0/380 constraints. Problems are: Problem set: 2 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2356/2356 variables, and 380 constraints, problems are : Problem set: 2 solved, 6 unsolved in 2989 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 235/235 constraints, ReadFeed: 143/143 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 76/88 variables, 1/1 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/88 variables, 0/1 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 1203/1291 variables, 88/89 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1291 variables, 12/101 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1291 variables, 0/101 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 1004/2295 variables, 86/187 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2295 variables, 1/188 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2295 variables, 131/319 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2295 variables, 6/325 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2295 variables, 1/326 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/2295 variables, 0/326 constraints. Problems are: Problem set: 2 solved, 6 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2356/2356 variables, and 387 constraints, problems are : Problem set: 2 solved, 6 unsolved in 5012 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 235/235 constraints, ReadFeed: 143/143 constraints, PredecessorRefiner: 6/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 8058ms problems are : Problem set: 2 solved, 6 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 12 out of 235 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 235/235 places, 3008/3008 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 30 transitions
Reduce isomorphic transitions removed 30 transitions.
Iterating post reduction 0 with 30 rules applied. Total rules applied 30 place count 235 transition count 2978
Applied a total of 30 rules in 147 ms. Remains 235 /235 variables (removed 0) and now considering 2978/3008 (removed 30) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 148 ms. Remains : 235/235 places, 2978/3008 transitions.
RANDOM walk for 40005 steps (380 resets) in 299 ms. (133 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (63 resets) in 102 ms. (388 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (65 resets) in 146 ms. (272 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (66 resets) in 135 ms. (294 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (64 resets) in 123 ms. (322 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (68 resets) in 166 ms. (239 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (61 resets) in 165 ms. (240 steps per ms) remains 6/6 properties
Interrupted probabilistic random walk after 123465 steps, run timeout after 3001 ms. (steps per millisecond=41 ) properties seen :0 out of 6
Probabilistic random walk after 123465 steps, saw 94040 distinct states, run finished after 3008 ms. (steps per millisecond=41 ) properties seen :0
[2026-05-24 14:51:19] [INFO ] Flow matrix only has 2091 transitions (discarded 887 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15140548576120994451.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5734492179299063635.kers'
[2026-05-24 14:51:19] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15140548576120994451.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5734492179299063635.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 2091 rows 235 cols 8110 entries
Finished phase 1 with 232 SingleSign rule and 1 generalized
[2026-05-24 14:51:19] [INFO ] Computed 2 invariants in 17 ms
Computed 2 P flows in 18 ms.
Exported basis to /tmp/petrispot-output-5734492179299063635.kers
Total runtime 20 ms.
[2026-05-24 14:51:19] [INFO ] State equation strengthened by 143 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 76/88 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/88 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 1203/1291 variables, 88/89 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1291 variables, 12/101 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1291 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 6 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 974/2265 variables, 86/187 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2265 variables, 1/188 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2265 variables, 131/319 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2265 variables, 0/319 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (OVERLAPS) 61/2326 variables, 61/380 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/2326 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (OVERLAPS) 0/2326 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2326/2326 variables, and 380 constraints, problems are : Problem set: 0 solved, 6 unsolved in 4151 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 235/235 constraints, ReadFeed: 143/143 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 76/88 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/88 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 1203/1291 variables, 88/89 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1291 variables, 12/101 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1291 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 974/2265 variables, 86/187 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2265 variables, 1/188 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2265 variables, 131/319 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2265 variables, 6/325 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2265 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/2265 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Problem AtomicPropp19 is UNSAT
Problem AtomicPropp22 is UNSAT
At refinement iteration 12 (OVERLAPS) 61/2326 variables, 61/387 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/2326 variables, 0/387 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 14 (OVERLAPS) 0/2326 variables, 0/387 constraints. Problems are: Problem set: 2 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2326/2326 variables, and 387 constraints, problems are : Problem set: 2 solved, 4 unsolved in 13621 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 235/235 constraints, ReadFeed: 143/143 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 17857ms problems are : Problem set: 2 solved, 4 unsolved
Parikh walk visited 0 properties in 6453 ms.
Support contains 8 out of 235 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 235/235 places, 2978/2978 transitions.
Applied a total of 0 rules in 72 ms. Remains 235 /235 variables (removed 0) and now considering 2978/2978 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 72 ms. Remains : 235/235 places, 2978/2978 transitions.
RANDOM walk for 40003 steps (380 resets) in 222 ms. (179 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (63 resets) in 94 ms. (421 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (61 resets) in 92 ms. (430 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (61 resets) in 78 ms. (506 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (63 resets) in 83 ms. (476 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 145838 steps, run timeout after 3001 ms. (steps per millisecond=48 ) properties seen :0 out of 4
Probabilistic random walk after 145838 steps, saw 110273 distinct states, run finished after 3001 ms. (steps per millisecond=48 ) properties seen :0
[2026-05-24 14:51:46] [INFO ] Flow matrix only has 2091 transitions (discarded 887 similar events)
[2026-05-24 14:51:46] [INFO ] Invariant cache hit.
[2026-05-24 14:51:46] [INFO ] State equation strengthened by 143 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 80/88 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/88 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 1203/1291 variables, 88/89 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1291 variables, 12/101 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1291 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 4 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 974/2265 variables, 86/187 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2265 variables, 1/188 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2265 variables, 131/319 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2265 variables, 0/319 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (OVERLAPS) 61/2326 variables, 61/380 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/2326 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (OVERLAPS) 0/2326 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2326/2326 variables, and 380 constraints, problems are : Problem set: 0 solved, 4 unsolved in 2335 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 235/235 constraints, ReadFeed: 143/143 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 80/88 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/88 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 1203/1291 variables, 88/89 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1291 variables, 12/101 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1291 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 974/2265 variables, 86/187 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2265 variables, 1/188 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2265 variables, 131/319 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2265 variables, 4/323 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2265 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 61/2326 variables, 61/384 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2326 variables, 0/384 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 0/2326 variables, 0/384 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2326/2326 variables, and 384 constraints, problems are : Problem set: 0 solved, 4 unsolved in 23058 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 235/235 constraints, ReadFeed: 143/143 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 25432ms problems are : Problem set: 0 solved, 4 unsolved
Parikh walk visited 0 properties in 3852 ms.
Support contains 8 out of 235 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 235/235 places, 2978/2978 transitions.
Applied a total of 0 rules in 76 ms. Remains 235 /235 variables (removed 0) and now considering 2978/2978 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 77 ms. Remains : 235/235 places, 2978/2978 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 235/235 places, 2978/2978 transitions.
Applied a total of 0 rules in 65 ms. Remains 235 /235 variables (removed 0) and now considering 2978/2978 (removed 0) transitions.
[2026-05-24 14:52:16] [INFO ] Flow matrix only has 2091 transitions (discarded 887 similar events)
[2026-05-24 14:52:16] [INFO ] Invariant cache hit.
[2026-05-24 14:52:16] [INFO ] Implicit Places using invariants in 358 ms returned []
[2026-05-24 14:52:16] [INFO ] Flow matrix only has 2091 transitions (discarded 887 similar events)
[2026-05-24 14:52:16] [INFO ] Invariant cache hit.
[2026-05-24 14:52:17] [INFO ] State equation strengthened by 143 read => feed constraints.
[2026-05-24 14:52:24] [INFO ] Implicit Places using invariants and state equation in 7811 ms returned []
Implicit Place search using SMT with State Equation took 8177 ms to find 0 implicit places.
[2026-05-24 14:52:24] [INFO ] Redundant transitions in 269 ms returned []
Running 2976 sub problems to find dead transitions.
[2026-05-24 14:52:24] [INFO ] Flow matrix only has 2091 transitions (discarded 887 similar events)
[2026-05-24 14:52:24] [INFO ] Invariant cache hit.
[2026-05-24 14:52:24] [INFO ] State equation strengthened by 143 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/235 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2976 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/235 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2976 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 235/2326 variables, and 2 constraints, problems are : Problem set: 0 solved, 2976 unsolved in 30127 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/235 constraints, ReadFeed: 0/143 constraints, PredecessorRefiner: 2976/2976 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2976 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/235 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2976 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/235 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2976 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 235/2326 variables, and 2 constraints, problems are : Problem set: 0 solved, 2976 unsolved in 30104 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/235 constraints, ReadFeed: 0/143 constraints, PredecessorRefiner: 0/2976 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 63413ms problems are : Problem set: 0 solved, 2976 unsolved
Search for dead transitions found 0 dead transitions in 63423ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 71951 ms. Remains : 235/235 places, 2978/2978 transitions.
FORMULA DoubleLock-PT-p3s3-LTLFireability-05 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 4 atomic propositions for a total of 12 simplifications.
FORMULA DoubleLock-PT-p3s3-LTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 9 stabilizing places and 960 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(X(X(G(p0)))))))'
Support contains 2 out of 235 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 235/235 places, 3008/3008 transitions.
Applied a total of 0 rules in 15 ms. Remains 235 /235 variables (removed 0) and now considering 3008/3008 (removed 0) transitions.
[2026-05-24 14:53:28] [INFO ] Flow matrix only has 2121 transitions (discarded 887 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13732571691241295882.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10993871957901051369.kers'
[2026-05-24 14:53:28] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13732571691241295882.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10993871957901051369.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 2121 rows 235 cols 8170 entries
Finished phase 1 with 232 SingleSign rule and 1 generalized
[2026-05-24 14:53:28] [INFO ] Computed 2 invariants in 17 ms
Computed 2 P flows in 18 ms.
Exported basis to /tmp/petrispot-output-10993871957901051369.kers
Total runtime 19 ms.
[2026-05-24 14:53:29] [INFO ] Implicit Places using invariants in 525 ms returned []
[2026-05-24 14:53:29] [INFO ] Flow matrix only has 2121 transitions (discarded 887 similar events)
[2026-05-24 14:53:29] [INFO ] Invariant cache hit.
[2026-05-24 14:53:29] [INFO ] State equation strengthened by 143 read => feed constraints.
[2026-05-24 14:53:34] [INFO ] Implicit Places using invariants and state equation in 5524 ms returned []
Implicit Place search using SMT with State Equation took 6057 ms to find 0 implicit places.
Running 3006 sub problems to find dead transitions.
[2026-05-24 14:53:34] [INFO ] Flow matrix only has 2121 transitions (discarded 887 similar events)
[2026-05-24 14:53:34] [INFO ] Invariant cache hit.
[2026-05-24 14:53:34] [INFO ] State equation strengthened by 143 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/235 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3006 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/235 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 3006 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 235/2356 variables, and 2 constraints, problems are : Problem set: 0 solved, 3006 unsolved in 30108 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/235 constraints, ReadFeed: 0/143 constraints, PredecessorRefiner: 3006/3006 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3006 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/235 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3006 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/235 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 3006 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 235/2356 variables, and 2 constraints, problems are : Problem set: 0 solved, 3006 unsolved in 30106 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/235 constraints, ReadFeed: 0/143 constraints, PredecessorRefiner: 0/3006 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 63498ms problems are : Problem set: 0 solved, 3006 unsolved
Search for dead transitions found 0 dead transitions in 63510ms
Finished structural reductions in LTL mode , in 1 iterations and 69596 ms. Remains : 235/235 places, 3008/3008 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(X(X(G(p0)))))))'
Stuttering acceptance computed with spot in 570 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : DoubleLock-PT-p3s3-LTLFireability-00
Entered a terminal (fully accepting) state of product in 565 steps with 8 reset in 30 ms.
FORMULA DoubleLock-PT-p3s3-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DoubleLock-PT-p3s3-LTLFireability-00 finished in 70327 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(F(p0))&&F(p1)&&F(p2)))'
Support contains 4 out of 235 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 235/235 places, 3008/3008 transitions.
Applied a total of 0 rules in 15 ms. Remains 235 /235 variables (removed 0) and now considering 3008/3008 (removed 0) transitions.
[2026-05-24 14:54:38] [INFO ] Flow matrix only has 2121 transitions (discarded 887 similar events)
[2026-05-24 14:54:38] [INFO ] Invariant cache hit.
[2026-05-24 14:54:39] [INFO ] Implicit Places using invariants in 558 ms returned []
[2026-05-24 14:54:39] [INFO ] Flow matrix only has 2121 transitions (discarded 887 similar events)
[2026-05-24 14:54:39] [INFO ] Invariant cache hit.
[2026-05-24 14:54:40] [INFO ] State equation strengthened by 143 read => feed constraints.
[2026-05-24 14:54:44] [INFO ] Implicit Places using invariants and state equation in 4754 ms returned []
Implicit Place search using SMT with State Equation took 5330 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 5348 ms. Remains : 235/235 places, 3008/3008 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(F(p0))&&F(p1)&&F(p2)))'
Stuttering acceptance computed with spot in 194 ms :[(OR (NOT p1) (NOT p2) (NOT p0)), (NOT p0), (NOT p1), (NOT p2)]
Running random walk in product with property : DoubleLock-PT-p3s3-LTLFireability-01
Stuttering criterion allowed to conclude after 59 steps with 0 reset in 1 ms.
FORMULA DoubleLock-PT-p3s3-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DoubleLock-PT-p3s3-LTLFireability-01 finished in 5588 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F((!p0&&F(G(!p1)))) U X(p0))))'
Support contains 4 out of 235 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 235/235 places, 3008/3008 transitions.
Applied a total of 0 rules in 12 ms. Remains 235 /235 variables (removed 0) and now considering 3008/3008 (removed 0) transitions.
[2026-05-24 14:54:44] [INFO ] Flow matrix only has 2121 transitions (discarded 887 similar events)
[2026-05-24 14:54:44] [INFO ] Invariant cache hit.
[2026-05-24 14:54:44] [INFO ] Implicit Places using invariants in 572 ms returned []
[2026-05-24 14:54:44] [INFO ] Flow matrix only has 2121 transitions (discarded 887 similar events)
[2026-05-24 14:54:44] [INFO ] Invariant cache hit.
[2026-05-24 14:54:45] [INFO ] State equation strengthened by 143 read => feed constraints.
[2026-05-24 14:54:50] [INFO ] Implicit Places using invariants and state equation in 5561 ms returned []
Implicit Place search using SMT with State Equation took 6174 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 6188 ms. Remains : 235/235 places, 3008/3008 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F((!p0&&F(G(!p1)))) U X(p0))))'
Stuttering acceptance computed with spot in 242 ms :[(NOT p0), (NOT p0), (NOT p0), p1]
Running random walk in product with property : DoubleLock-PT-p3s3-LTLFireability-03
Product exploration explored 100000 steps with 1455 reset in 1610 ms.
Product exploration explored 100000 steps with 1443 reset in 875 ms.
Computed a total of 9 stabilizing places and 960 stable transitions
Computed a total of 9 stabilizing places and 960 stable transitions
Knowledge based reduction with 2 factoid took 171 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
RANDOM walk for 36663 steps (339 resets) in 365 ms. (100 steps per ms) remains 0/2 properties
Knowledge based reduction with 2 factoid took 117 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 155 ms :[(NOT p0), (NOT p0), (NOT p0), p1]
[2026-05-24 14:54:54] [INFO ] Flow matrix only has 2121 transitions (discarded 887 similar events)
[2026-05-24 14:54:54] [INFO ] Invariant cache hit.
[2026-05-24 14:54:56] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-24 14:54:56] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 3 ms returned sat
[2026-05-24 14:54:57] [INFO ] [Real]Absence check using state equation in 879 ms returned sat
[2026-05-24 14:54:57] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 14:54:59] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-24 14:54:59] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-24 14:55:00] [INFO ] [Nat]Absence check using state equation in 611 ms returned sat
[2026-05-24 14:55:00] [INFO ] State equation strengthened by 143 read => feed constraints.
[2026-05-24 14:55:01] [INFO ] [Nat]Added 143 Read/Feed constraints in 1270 ms returned sat
[2026-05-24 14:55:01] [INFO ] Computed and/alt/rep : 259/1539/259 causal constraints (skipped 1860 transitions) in 441 ms.
[2026-05-24 14:55:02] [INFO ] Added : 2 causal constraints over 2 iterations in 989 ms. Result :sat
Could not prove EG (NOT p0)
Knowledge-based reduction took 9148 ms.
Stuttering acceptance computed with spot in 159 ms :[(NOT p0), (NOT p0), (NOT p0), p1]
Support contains 4 out of 235 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 235/235 places, 3008/3008 transitions.
Applied a total of 0 rules in 10 ms. Remains 235 /235 variables (removed 0) and now considering 3008/3008 (removed 0) transitions.
[2026-05-24 14:55:02] [INFO ] Flow matrix only has 2121 transitions (discarded 887 similar events)
[2026-05-24 14:55:02] [INFO ] Invariant cache hit.
[2026-05-24 14:55:03] [INFO ] Implicit Places using invariants in 495 ms returned []
[2026-05-24 14:55:03] [INFO ] Flow matrix only has 2121 transitions (discarded 887 similar events)
[2026-05-24 14:55:03] [INFO ] Invariant cache hit.
[2026-05-24 14:55:03] [INFO ] State equation strengthened by 143 read => feed constraints.
[2026-05-24 14:55:08] [INFO ] Implicit Places using invariants and state equation in 5836 ms returned []
Implicit Place search using SMT with State Equation took 6334 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 6345 ms. Remains : 235/235 places, 3008/3008 transitions.
Computed a total of 9 stabilizing places and 960 stable transitions
Computed a total of 9 stabilizing places and 960 stable transitions
Knowledge based reduction with 2 factoid took 52 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
RANDOM walk for 18633 steps (174 resets) in 117 ms. (157 steps per ms) remains 0/2 properties
Knowledge based reduction with 2 factoid took 79 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 167 ms :[(NOT p0), (NOT p0), (NOT p0), p1]
[2026-05-24 14:55:09] [INFO ] Flow matrix only has 2121 transitions (discarded 887 similar events)
[2026-05-24 14:55:09] [INFO ] Invariant cache hit.
[2026-05-24 14:55:11] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-24 14:55:11] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2026-05-24 14:55:12] [INFO ] [Real]Absence check using state equation in 818 ms returned sat
[2026-05-24 14:55:12] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 14:55:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-24 14:55:14] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-24 14:55:15] [INFO ] [Nat]Absence check using state equation in 683 ms returned sat
[2026-05-24 14:55:15] [INFO ] State equation strengthened by 143 read => feed constraints.
[2026-05-24 14:55:16] [INFO ] [Nat]Added 143 Read/Feed constraints in 1368 ms returned sat
[2026-05-24 14:55:17] [INFO ] Computed and/alt/rep : 259/1539/259 causal constraints (skipped 1860 transitions) in 499 ms.
[2026-05-24 14:55:17] [INFO ] Added : 2 causal constraints over 2 iterations in 1002 ms. Result :sat
Could not prove EG (NOT p0)
Knowledge-based reduction took 8880 ms.
Stuttering acceptance computed with spot in 338 ms :[(NOT p0), (NOT p0), (NOT p0), p1]
Stuttering acceptance computed with spot in 238 ms :[(NOT p0), (NOT p0), (NOT p0), p1]
Product exploration explored 100000 steps with 1481 reset in 665 ms.
Product exploration explored 100000 steps with 1448 reset in 686 ms.
Spot run failed in 178 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/ltsmin9210890846911846915
[2026-05-24 14:55:20] [INFO ] Built C files in 149ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin9210890846911846915
Running compilation step : cd /tmp/ltsmin9210890846911846915;'/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/ltsmin9210890846911846915;'/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/ltsmin9210890846911846915;'/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 235 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 235/235 places, 3008/3008 transitions.
Applied a total of 0 rules in 14 ms. Remains 235 /235 variables (removed 0) and now considering 3008/3008 (removed 0) transitions.
[2026-05-24 14:55:23] [INFO ] Flow matrix only has 2121 transitions (discarded 887 similar events)
[2026-05-24 14:55:23] [INFO ] Invariant cache hit.
[2026-05-24 14:55:23] [INFO ] Implicit Places using invariants in 521 ms returned []
[2026-05-24 14:55:23] [INFO ] Flow matrix only has 2121 transitions (discarded 887 similar events)
[2026-05-24 14:55:23] [INFO ] Invariant cache hit.
[2026-05-24 14:55:24] [INFO ] State equation strengthened by 143 read => feed constraints.
[2026-05-24 14:55:29] [INFO ] Implicit Places using invariants and state equation in 5971 ms returned []
Implicit Place search using SMT with State Equation took 6497 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 6513 ms. Remains : 235/235 places, 3008/3008 transitions.
Built C files in :
/tmp/ltsmin14876072546520531296
[2026-05-24 14:55:29] [INFO ] Built C files in 39ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin14876072546520531296
Running compilation step : cd /tmp/ltsmin14876072546520531296;'/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/ltsmin14876072546520531296;'/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/ltsmin14876072546520531296;'/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)
[2026-05-24 14:55:33] [INFO ] Flatten gal took : 109 ms
[2026-05-24 14:55:33] [INFO ] Flatten gal took : 137 ms
[2026-05-24 14:55:33] [INFO ] Time to serialize gal into /tmp/LTL18357829299513268501.gal : 83 ms
[2026-05-24 14:55:33] [INFO ] Time to serialize properties into /tmp/LTL4209587773734159121.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/LTL18357829299513268501.gal' '-t' 'CGAL' '-hoa' '/tmp/aut2647074651234042280.hoa' '-atoms' '/tmp/LTL4209587773734159121.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/LTL4209587773734159121.prop.
Loaded 2 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut2647074651234042280.hoa
Detected timeout of ITS tools.
[2026-05-24 14:55:48] [INFO ] Flatten gal took : 91 ms
[2026-05-24 14:55:48] [INFO ] Flatten gal took : 94 ms
[2026-05-24 14:55:48] [INFO ] Time to serialize gal into /tmp/LTL14284336557845765482.gal : 27 ms
[2026-05-24 14:55:48] [INFO ] Time to serialize properties into /tmp/LTL12490093580510597552.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/LTL14284336557845765482.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL12490093580510597552.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((F((!("((p38>=1)&&(l5>=1))"))&&(F(G(!("((p29>=1)&&(l3>=1))"))))))U(X("((p38>=1)&&(l5>=1))")))))
Formula 0 simplified : X((GF"((p29>=1)&&(l3>=1))" | G"((p38>=1)&&(l5>=1))") R X!"((p38>=1)&&(l5>=1))")
Detected timeout of ITS tools.
[2026-05-24 14:56:04] [INFO ] Flatten gal took : 79 ms
[2026-05-24 14:56:04] [INFO ] Applying decomposition
[2026-05-24 14:56:04] [INFO ] Flatten gal took : 80 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/graph4528793024305165729.txt' '-o' '/tmp/graph4528793024305165729.bin' '-w' '/tmp/graph4528793024305165729.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph4528793024305165729.bin' '-l' '-1' '-v' '-w' '/tmp/graph4528793024305165729.weights' '-q' '0' '-e' '0.001'
[2026-05-24 14:56:04] [INFO ] Decomposing Gal with order
[2026-05-24 14:56:04] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 14:56:05] [INFO ] Removed a total of 7184 redundant transitions.
[2026-05-24 14:56:05] [INFO ] Flatten gal took : 443 ms
[2026-05-24 14:56:05] [INFO ] Fuse similar labels procedure discarded/fused a total of 434 labels/synchronizations in 213 ms.
[2026-05-24 14:56:05] [INFO ] Time to serialize gal into /tmp/LTL3177291330947882552.gal : 40 ms
[2026-05-24 14:56:05] [INFO ] Time to serialize properties into /tmp/LTL10266785783857570660.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/LTL3177291330947882552.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL10266785783857570660.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...255
Read 1 LTL properties
Checking formula 0 : !((X((F((!("((i12.i0.u52.p38>=1)&&(i7.u62.l5>=1))"))&&(F(G(!("((i11.i0.u12.p29>=1)&&(i7.u61.l3>=1))"))))))U(X("((i12.i0.u52.p38>=1)&&(...175
Formula 0 simplified : X((GF"((i11.i0.u12.p29>=1)&&(i7.u61.l3>=1))" | G"((i12.i0.u52.p38>=1)&&(i7.u62.l5>=1))") R X!"((i12.i0.u52.p38>=1)&&(i7.u62.l5>=1))"...156
Detected timeout of ITS tools.
Treatment of property DoubleLock-PT-p3s3-LTLFireability-03 finished in 96366 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((p0 U X(G((p1||X(p2))))))))'
Support contains 6 out of 235 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 235/235 places, 3008/3008 transitions.
Applied a total of 0 rules in 9 ms. Remains 235 /235 variables (removed 0) and now considering 3008/3008 (removed 0) transitions.
[2026-05-24 14:56:20] [INFO ] Flow matrix only has 2121 transitions (discarded 887 similar events)
[2026-05-24 14:56:20] [INFO ] Invariant cache hit.
[2026-05-24 14:56:21] [INFO ] Implicit Places using invariants in 643 ms returned []
[2026-05-24 14:56:21] [INFO ] Flow matrix only has 2121 transitions (discarded 887 similar events)
[2026-05-24 14:56:21] [INFO ] Invariant cache hit.
[2026-05-24 14:56:22] [INFO ] State equation strengthened by 143 read => feed constraints.
[2026-05-24 14:56:26] [INFO ] Implicit Places using invariants and state equation in 5331 ms returned []
Implicit Place search using SMT with State Equation took 6003 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 6013 ms. Remains : 235/235 places, 3008/3008 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((p0 U X(G((X(p1)||p2)))))))'
Stuttering acceptance computed with spot in 412 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2)), (NOT p1), true, (AND (NOT p1) (NOT p2))]
Running random walk in product with property : DoubleLock-PT-p3s3-LTLFireability-04
Entered a terminal (fully accepting) state of product in 7 steps with 0 reset in 0 ms.
FORMULA DoubleLock-PT-p3s3-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DoubleLock-PT-p3s3-LTLFireability-04 finished in 6474 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((((F(p0)&&F(p1)) U G((F(p2)||G(p1))))&&X(p2)))'
Support contains 6 out of 235 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 235/235 places, 3008/3008 transitions.
Applied a total of 0 rules in 17 ms. Remains 235 /235 variables (removed 0) and now considering 3008/3008 (removed 0) transitions.
[2026-05-24 14:56:27] [INFO ] Flow matrix only has 2121 transitions (discarded 887 similar events)
[2026-05-24 14:56:27] [INFO ] Invariant cache hit.
[2026-05-24 14:56:27] [INFO ] Implicit Places using invariants in 542 ms returned []
[2026-05-24 14:56:27] [INFO ] Flow matrix only has 2121 transitions (discarded 887 similar events)
[2026-05-24 14:56:27] [INFO ] Invariant cache hit.
[2026-05-24 14:56:28] [INFO ] State equation strengthened by 143 read => feed constraints.
[2026-05-24 14:56:35] [INFO ] Implicit Places using invariants and state equation in 7619 ms returned []
Implicit Place search using SMT with State Equation took 8178 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 8195 ms. Remains : 235/235 places, 3008/3008 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((((F(p0)&&F(p1)) U G((F(p2)||G(p1))))&&X(p2)))'
Stuttering acceptance computed with spot in 257 ms :[(NOT p2), (NOT p2), (AND (NOT p2) (NOT p0)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), true]
Running random walk in product with property : DoubleLock-PT-p3s3-LTLFireability-06
Stuttering criterion allowed to conclude after 62 steps with 0 reset in 0 ms.
FORMULA DoubleLock-PT-p3s3-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DoubleLock-PT-p3s3-LTLFireability-06 finished in 8558 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||(G(p1) U !p2))) U X(X(p2))))'
Support contains 5 out of 235 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 235/235 places, 3008/3008 transitions.
Applied a total of 0 rules in 14 ms. Remains 235 /235 variables (removed 0) and now considering 3008/3008 (removed 0) transitions.
[2026-05-24 14:56:35] [INFO ] Flow matrix only has 2121 transitions (discarded 887 similar events)
[2026-05-24 14:56:35] [INFO ] Invariant cache hit.
[2026-05-24 14:56:36] [INFO ] Implicit Places using invariants in 554 ms returned []
[2026-05-24 14:56:36] [INFO ] Flow matrix only has 2121 transitions (discarded 887 similar events)
[2026-05-24 14:56:36] [INFO ] Invariant cache hit.
[2026-05-24 14:56:37] [INFO ] State equation strengthened by 143 read => feed constraints.
[2026-05-24 14:56:41] [INFO ] Implicit Places using invariants and state equation in 5075 ms returned []
Implicit Place search using SMT with State Equation took 5663 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 5679 ms. Remains : 235/235 places, 3008/3008 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(((G(p0) U !p1)||p2)) U X(X(p1))))'
Stuttering acceptance computed with spot in 428 ms :[(NOT p1), (NOT p1), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), true, (AND (NOT p0) (NOT p1)), (NOT p1), (AND p1 (NOT p2)), (NOT p0), p1]
Running random walk in product with property : DoubleLock-PT-p3s3-LTLFireability-07
Entered a terminal (fully accepting) state of product in 458 steps with 7 reset in 6 ms.
FORMULA DoubleLock-PT-p3s3-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DoubleLock-PT-p3s3-LTLFireability-07 finished in 6178 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(p0)'
Support contains 2 out of 235 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 235/235 places, 3008/3008 transitions.
Applied a total of 0 rules in 283 ms. Remains 235 /235 variables (removed 0) and now considering 3008/3008 (removed 0) transitions.
[2026-05-24 14:56:42] [INFO ] Flow matrix only has 2121 transitions (discarded 887 similar events)
[2026-05-24 14:56:42] [INFO ] Invariant cache hit.
[2026-05-24 14:56:42] [INFO ] Implicit Places using invariants in 581 ms returned []
[2026-05-24 14:56:42] [INFO ] Flow matrix only has 2121 transitions (discarded 887 similar events)
[2026-05-24 14:56:42] [INFO ] Invariant cache hit.
[2026-05-24 14:56:43] [INFO ] State equation strengthened by 143 read => feed constraints.
[2026-05-24 14:56:47] [INFO ] Implicit Places using invariants and state equation in 4766 ms returned []
Implicit Place search using SMT with State Equation took 5363 ms to find 0 implicit places.
[2026-05-24 14:56:47] [INFO ] Redundant transitions in 414 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 6110 ms. Remains : 235/235 places, 3008/3008 transitions.
Initial state reduction rules removed 1 formulas.
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' '!(false)'
Stuttering acceptance computed with spot in 24 ms :[true]
Running random walk in product with property : DoubleLock-PT-p3s3-LTLFireability-08
Entered a terminal (fully accepting) state of product in 0 steps with 0 reset in 0 ms.
FORMULA DoubleLock-PT-p3s3-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DoubleLock-PT-p3s3-LTLFireability-08 finished in 6187 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 2 out of 235 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 235/235 places, 3008/3008 transitions.
Applied a total of 0 rules in 13 ms. Remains 235 /235 variables (removed 0) and now considering 3008/3008 (removed 0) transitions.
[2026-05-24 14:56:48] [INFO ] Flow matrix only has 2121 transitions (discarded 887 similar events)
[2026-05-24 14:56:48] [INFO ] Invariant cache hit.
[2026-05-24 14:56:48] [INFO ] Implicit Places using invariants in 451 ms returned []
[2026-05-24 14:56:48] [INFO ] Flow matrix only has 2121 transitions (discarded 887 similar events)
[2026-05-24 14:56:48] [INFO ] Invariant cache hit.
[2026-05-24 14:56:49] [INFO ] State equation strengthened by 143 read => feed constraints.
[2026-05-24 14:56:53] [INFO ] Implicit Places using invariants and state equation in 4843 ms returned []
Implicit Place search using SMT with State Equation took 5309 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 5329 ms. Remains : 235/235 places, 3008/3008 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 : DoubleLock-PT-p3s3-LTLFireability-10
Product exploration explored 100000 steps with 1456 reset in 952 ms.
Product exploration explored 100000 steps with 1447 reset in 808 ms.
Computed a total of 9 stabilizing places and 960 stable transitions
Computed a total of 9 stabilizing places and 960 stable transitions
Knowledge based reduction with 2 factoid took 84 ms. Reduced automaton from 4 states, 5 edges and 1 AP (stutter sensitive) to 4 states, 5 edges and 1 AP (stutter sensitive).
RANDOM walk for 40007 steps (375 resets) in 290 ms. (137 steps per ms) remains 1/1 properties
BEST_FIRST walk for 38556 steps (60 resets) in 172 ms. (222 steps per ms) remains 0/1 properties
Knowledge based reduction with 2 factoid took 95 ms. Reduced automaton from 4 states, 5 edges and 1 AP (stutter sensitive) to 4 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 191 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Knowledge-based reduction took 571 ms.
Stuttering acceptance computed with spot in 224 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Support contains 2 out of 235 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 235/235 places, 3008/3008 transitions.
Applied a total of 0 rules in 9 ms. Remains 235 /235 variables (removed 0) and now considering 3008/3008 (removed 0) transitions.
[2026-05-24 14:56:56] [INFO ] Flow matrix only has 2121 transitions (discarded 887 similar events)
[2026-05-24 14:56:56] [INFO ] Invariant cache hit.
[2026-05-24 14:56:56] [INFO ] Implicit Places using invariants in 386 ms returned []
[2026-05-24 14:56:56] [INFO ] Flow matrix only has 2121 transitions (discarded 887 similar events)
[2026-05-24 14:56:56] [INFO ] Invariant cache hit.
[2026-05-24 14:56:57] [INFO ] State equation strengthened by 143 read => feed constraints.
[2026-05-24 14:57:01] [INFO ] Implicit Places using invariants and state equation in 4642 ms returned []
Implicit Place search using SMT with State Equation took 5034 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 5044 ms. Remains : 235/235 places, 3008/3008 transitions.
Computed a total of 9 stabilizing places and 960 stable transitions
Computed a total of 9 stabilizing places and 960 stable transitions
Knowledge based reduction with 2 factoid took 70 ms. Reduced automaton from 4 states, 5 edges and 1 AP (stutter sensitive) to 4 states, 5 edges and 1 AP (stutter sensitive).
RANDOM walk for 40018 steps (385 resets) in 287 ms. (138 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (66 resets) in 130 ms. (305 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 203367 steps, run timeout after 3001 ms. (steps per millisecond=67 ) properties seen :0 out of 1
Probabilistic random walk after 203367 steps, saw 151985 distinct states, run finished after 3001 ms. (steps per millisecond=67 ) properties seen :0
[2026-05-24 14:57:04] [INFO ] Flow matrix only has 2121 transitions (discarded 887 similar events)
[2026-05-24 14:57:04] [INFO ] Invariant cache hit.
[2026-05-24 14:57:04] [INFO ] State equation strengthened by 143 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 161/163 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/163 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2124/2287 variables, 164/166 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2287 variables, 1/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2287 variables, 143/310 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/2287 variables, 0/310 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 6/2293 variables, 1/311 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2293 variables, 6/317 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2293 variables, 0/317 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 63/2356 variables, 63/380 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/2356 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/2356 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2356/2356 variables, and 380 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1402 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 235/235 constraints, ReadFeed: 143/143 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 161/163 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/163 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2124/2287 variables, 164/166 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2287 variables, 1/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2287 variables, 143/310 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2287/2356 variables, and 311 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1747 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 166/235 constraints, ReadFeed: 143/143 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3176ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 422 ms.
Support contains 2 out of 235 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 235/235 places, 3008/3008 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 31 transitions
Reduce isomorphic transitions removed 31 transitions.
Iterating post reduction 0 with 31 rules applied. Total rules applied 31 place count 235 transition count 2977
Applied a total of 31 rules in 82 ms. Remains 235 /235 variables (removed 0) and now considering 2977/3008 (removed 31) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 82 ms. Remains : 235/235 places, 2977/3008 transitions.
RANDOM walk for 40009 steps (380 resets) in 461 ms. (86 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (59 resets) in 66 ms. (597 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 217130 steps, run timeout after 3001 ms. (steps per millisecond=72 ) properties seen :0 out of 1
Probabilistic random walk after 217130 steps, saw 161963 distinct states, run finished after 3001 ms. (steps per millisecond=72 ) properties seen :0
[2026-05-24 14:57:11] [INFO ] Flow matrix only has 2090 transitions (discarded 887 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3595958474286039471.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1184708565661696490.kers'
[2026-05-24 14:57:11] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3595958474286039471.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1184708565661696490.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 2090 rows 235 cols 8108 entries
Finished phase 1 with 232 SingleSign rule and 1 generalized
[2026-05-24 14:57:11] [INFO ] Computed 2 invariants in 10 ms
Computed 2 P flows in 11 ms.
Exported basis to /tmp/petrispot-output-1184708565661696490.kers
Total runtime 13 ms.
[2026-05-24 14:57:11] [INFO ] State equation strengthened by 143 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 161/163 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/163 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2093/2256 variables, 164/166 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2256 variables, 1/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2256 variables, 143/310 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/2256 variables, 0/310 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 6/2262 variables, 1/311 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2262 variables, 6/317 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2262 variables, 0/317 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 63/2325 variables, 63/380 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/2325 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/2325 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2325/2325 variables, and 380 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1439 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 235/235 constraints, ReadFeed: 143/143 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 161/163 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/163 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2093/2256 variables, 164/166 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2256 variables, 1/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2256 variables, 143/310 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2256 variables, 1/311 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2256 variables, 1/312 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2256 variables, 0/312 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 6/2262 variables, 1/313 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2262 variables, 6/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/2262 variables, 0/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 63/2325 variables, 63/382 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/2325 variables, 0/382 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/2325 variables, 0/382 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2325/2325 variables, and 382 constraints, problems are : Problem set: 0 solved, 1 unsolved in 7607 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 235/235 constraints, ReadFeed: 143/143 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 9085ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 7 ms.
Support contains 2 out of 235 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 235/235 places, 2977/2977 transitions.
Applied a total of 0 rules in 98 ms. Remains 235 /235 variables (removed 0) and now considering 2977/2977 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 98 ms. Remains : 235/235 places, 2977/2977 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 235/235 places, 2977/2977 transitions.
Applied a total of 0 rules in 91 ms. Remains 235 /235 variables (removed 0) and now considering 2977/2977 (removed 0) transitions.
[2026-05-24 14:57:20] [INFO ] Flow matrix only has 2090 transitions (discarded 887 similar events)
[2026-05-24 14:57:20] [INFO ] Invariant cache hit.
[2026-05-24 14:57:21] [INFO ] Implicit Places using invariants in 701 ms returned []
[2026-05-24 14:57:21] [INFO ] Flow matrix only has 2090 transitions (discarded 887 similar events)
[2026-05-24 14:57:21] [INFO ] Invariant cache hit.
[2026-05-24 14:57:22] [INFO ] State equation strengthened by 143 read => feed constraints.
[2026-05-24 14:57:26] [INFO ] Implicit Places using invariants and state equation in 5159 ms returned []
Implicit Place search using SMT with State Equation took 5879 ms to find 0 implicit places.
[2026-05-24 14:57:26] [INFO ] Redundant transitions in 141 ms returned []
Running 2975 sub problems to find dead transitions.
[2026-05-24 14:57:26] [INFO ] Flow matrix only has 2090 transitions (discarded 887 similar events)
[2026-05-24 14:57:26] [INFO ] Invariant cache hit.
[2026-05-24 14:57:26] [INFO ] State equation strengthened by 143 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/235 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2975 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/235 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2975 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 235/2325 variables, and 2 constraints, problems are : Problem set: 0 solved, 2975 unsolved in 30105 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/235 constraints, ReadFeed: 0/143 constraints, PredecessorRefiner: 2975/2975 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2975 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/235 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2975 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/235 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2975 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 235/2325 variables, and 2 constraints, problems are : Problem set: 0 solved, 2975 unsolved in 30106 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/235 constraints, ReadFeed: 0/143 constraints, PredecessorRefiner: 0/2975 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 63443ms problems are : Problem set: 0 solved, 2975 unsolved
Search for dead transitions found 0 dead transitions in 63462ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 69590 ms. Remains : 235/235 places, 2977/2977 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 887 transitions
Reduce isomorphic transitions removed 887 transitions.
Iterating post reduction 0 with 887 rules applied. Total rules applied 887 place count 235 transition count 2090
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 8 Pre rules applied. Total rules applied 887 place count 235 transition count 2082
Deduced a syphon composed of 8 places in 1 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 1 with 16 rules applied. Total rules applied 903 place count 227 transition count 2082
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 907 place count 225 transition count 2080
Free-agglomeration rule applied 1 times.
Iterating global reduction 1 with 1 rules applied. Total rules applied 908 place count 225 transition count 2079
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 909 place count 224 transition count 2079
Applied a total of 909 rules in 208 ms. Remains 224 /235 variables (removed 11) and now considering 2079/2977 (removed 898) transitions.
Running SMT prover for 1 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10864159093270904974.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-234471842748117154.kers'
[2026-05-24 14:58:30] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10864159093270904974.kers, --Pflows, --basisKERS=/tmp/petrispot-output-234471842748117154.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 2079 rows 224 cols 7958 entries
Finished phase 1 with 221 SingleSign rule and 1 generalized
[2026-05-24 14:58:30] [INFO ] Computed 2 invariants in 17 ms
Computed 2 P flows in 27 ms.
Exported basis to /tmp/petrispot-output-234471842748117154.kers
Total runtime 31 ms.
[2026-05-24 14:58:30] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2026-05-24 14:58:30] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2026-05-24 14:58:31] [INFO ] After 1183ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2026-05-24 14:58:31] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-24 14:58:31] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 3 ms returned sat
[2026-05-24 14:58:32] [INFO ] After 895ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2026-05-24 14:58:32] [INFO ] State equation strengthened by 64 read => feed constraints.
[2026-05-24 14:58:32] [INFO ] After 207ms SMT Verify possible using 64 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-24 14:58:33] [INFO ] After 462ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-24 14:58:33] [INFO ] After 1809ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 3309 ms.
Knowledge based reduction with 2 factoid took 80 ms. Reduced automaton from 4 states, 5 edges and 1 AP (stutter sensitive) to 4 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 159 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Knowledge-based reduction took 92436 ms.
Stuttering acceptance computed with spot in 173 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 168 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 1463 reset in 980 ms.
Product exploration explored 100000 steps with 1481 reset in 644 ms.
Spot run failed in 59 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/ltsmin2456977079655493310
[2026-05-24 14:58:35] [INFO ] Built C files in 36ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin2456977079655493310
Running compilation step : cd /tmp/ltsmin2456977079655493310;'/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/ltsmin2456977079655493310;'/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/ltsmin2456977079655493310;'/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 2 out of 235 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 235/235 places, 3008/3008 transitions.
Applied a total of 0 rules in 10 ms. Remains 235 /235 variables (removed 0) and now considering 3008/3008 (removed 0) transitions.
[2026-05-24 14:58:38] [INFO ] Flow matrix only has 2121 transitions (discarded 887 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15786504306557607201.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-660188378450298854.kers'
[2026-05-24 14:58:38] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15786504306557607201.kers, --Pflows, --basisKERS=/tmp/petrispot-output-660188378450298854.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 2121 rows 235 cols 8170 entries
Finished phase 1 with 232 SingleSign rule and 1 generalized
[2026-05-24 14:58:38] [INFO ] Computed 2 invariants in 10 ms
Computed 2 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-660188378450298854.kers
Total runtime 13 ms.
[2026-05-24 14:58:39] [INFO ] Implicit Places using invariants in 384 ms returned []
[2026-05-24 14:58:39] [INFO ] Flow matrix only has 2121 transitions (discarded 887 similar events)
[2026-05-24 14:58:39] [INFO ] Invariant cache hit.
[2026-05-24 14:58:39] [INFO ] State equation strengthened by 143 read => feed constraints.
[2026-05-24 14:58:44] [INFO ] Implicit Places using invariants and state equation in 4949 ms returned []
Implicit Place search using SMT with State Equation took 5371 ms to find 0 implicit places.
Running 3006 sub problems to find dead transitions.
[2026-05-24 14:58:44] [INFO ] Flow matrix only has 2121 transitions (discarded 887 similar events)
[2026-05-24 14:58:44] [INFO ] Invariant cache hit.
[2026-05-24 14:58:44] [INFO ] State equation strengthened by 143 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/235 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3006 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/235 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 3006 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 235/2356 variables, and 2 constraints, problems are : Problem set: 0 solved, 3006 unsolved in 30090 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/235 constraints, ReadFeed: 0/143 constraints, PredecessorRefiner: 3006/3006 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3006 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/235 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3006 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/235 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 3006 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 235/2356 variables, and 2 constraints, problems are : Problem set: 0 solved, 3006 unsolved in 30104 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/235 constraints, ReadFeed: 0/143 constraints, PredecessorRefiner: 0/3006 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 64313ms problems are : Problem set: 0 solved, 3006 unsolved
Search for dead transitions found 0 dead transitions in 64324ms
Finished structural reductions in LTL mode , in 1 iterations and 69715 ms. Remains : 235/235 places, 3008/3008 transitions.
Built C files in :
/tmp/ltsmin13793439709396886379
[2026-05-24 14:59:48] [INFO ] Built C files in 63ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin13793439709396886379
Running compilation step : cd /tmp/ltsmin13793439709396886379;'/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/ltsmin13793439709396886379;'/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/ltsmin13793439709396886379;'/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)
[2026-05-24 14:59:51] [INFO ] Flatten gal took : 97 ms
[2026-05-24 14:59:51] [INFO ] Flatten gal took : 135 ms
[2026-05-24 14:59:51] [INFO ] Time to serialize gal into /tmp/LTL3053957376245819337.gal : 41 ms
[2026-05-24 14:59:51] [INFO ] Time to serialize properties into /tmp/LTL9335791590249399454.prop : 2 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/LTL3053957376245819337.gal' '-t' 'CGAL' '-hoa' '/tmp/aut8210376829447939682.hoa' '-atoms' '/tmp/LTL9335791590249399454.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...317
Loading property file /tmp/LTL9335791590249399454.prop.
Loaded 1 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut8210376829447939682.hoa
Detected timeout of ITS tools.
[2026-05-24 15:00:07] [INFO ] Flatten gal took : 68 ms
[2026-05-24 15:00:07] [INFO ] Flatten gal took : 85 ms
[2026-05-24 15:00:07] [INFO ] Time to serialize gal into /tmp/LTL4940327914528050409.gal : 29 ms
[2026-05-24 15:00:07] [INFO ] Time to serialize properties into /tmp/LTL14412301028133350444.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/LTL4940327914528050409.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL14412301028133350444.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...276
Read 1 LTL properties
Checking formula 0 : !((X(X(G("((s5<1)||(l34<1))")))))
Formula 0 simplified : XXF!"((s5<1)||(l34<1))"
Detected timeout of ITS tools.
[2026-05-24 15:00:22] [INFO ] Flatten gal took : 66 ms
[2026-05-24 15:00:22] [INFO ] Applying decomposition
[2026-05-24 15:00:22] [INFO ] Flatten gal took : 69 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/graph9089874126495385483.txt' '-o' '/tmp/graph9089874126495385483.bin' '-w' '/tmp/graph9089874126495385483.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph9089874126495385483.bin' '-l' '-1' '-v' '-w' '/tmp/graph9089874126495385483.weights' '-q' '0' '-e' '0.001'
[2026-05-24 15:00:22] [INFO ] Decomposing Gal with order
[2026-05-24 15:00:22] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 15:00:23] [INFO ] Removed a total of 7184 redundant transitions.
[2026-05-24 15:00:23] [INFO ] Flatten gal took : 239 ms
[2026-05-24 15:00:23] [INFO ] Fuse similar labels procedure discarded/fused a total of 425 labels/synchronizations in 141 ms.
[2026-05-24 15:00:23] [INFO ] Time to serialize gal into /tmp/LTL9505920127216505714.gal : 14 ms
[2026-05-24 15:00:23] [INFO ] Time to serialize properties into /tmp/LTL9068516016416118829.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/LTL9505920127216505714.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL9068516016416118829.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...254
Read 1 LTL properties
Checking formula 0 : !((X(X(G("((i1.i0.u29.s5<1)||(i0.i1.u73.l34<1))")))))
Formula 0 simplified : XXF!"((i1.i0.u29.s5<1)||(i0.i1.u73.l34<1))"
Detected timeout of ITS tools.
Treatment of property DoubleLock-PT-p3s3-LTLFireability-10 finished in 230387 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 2 out of 235 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 235/235 places, 3008/3008 transitions.
Applied a total of 0 rules in 98 ms. Remains 235 /235 variables (removed 0) and now considering 3008/3008 (removed 0) transitions.
[2026-05-24 15:00:38] [INFO ] Flow matrix only has 2121 transitions (discarded 887 similar events)
[2026-05-24 15:00:38] [INFO ] Invariant cache hit.
[2026-05-24 15:00:39] [INFO ] Implicit Places using invariants in 592 ms returned []
[2026-05-24 15:00:39] [INFO ] Flow matrix only has 2121 transitions (discarded 887 similar events)
[2026-05-24 15:00:39] [INFO ] Invariant cache hit.
[2026-05-24 15:00:40] [INFO ] State equation strengthened by 143 read => feed constraints.
[2026-05-24 15:00:44] [INFO ] Implicit Places using invariants and state equation in 5066 ms returned []
Implicit Place search using SMT with State Equation took 5672 ms to find 0 implicit places.
[2026-05-24 15:00:44] [INFO ] Redundant transitions in 214 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 6002 ms. Remains : 235/235 places, 3008/3008 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 108 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : DoubleLock-PT-p3s3-LTLFireability-11
Stuttering criterion allowed to conclude after 38 steps with 0 reset in 1 ms.
FORMULA DoubleLock-PT-p3s3-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DoubleLock-PT-p3s3-LTLFireability-11 finished in 6146 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 2 out of 235 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 235/235 places, 3008/3008 transitions.
Applied a total of 0 rules in 92 ms. Remains 235 /235 variables (removed 0) and now considering 3008/3008 (removed 0) transitions.
[2026-05-24 15:00:44] [INFO ] Flow matrix only has 2121 transitions (discarded 887 similar events)
[2026-05-24 15:00:44] [INFO ] Invariant cache hit.
[2026-05-24 15:00:45] [INFO ] Implicit Places using invariants in 833 ms returned []
[2026-05-24 15:00:45] [INFO ] Flow matrix only has 2121 transitions (discarded 887 similar events)
[2026-05-24 15:00:45] [INFO ] Invariant cache hit.
[2026-05-24 15:00:46] [INFO ] State equation strengthened by 143 read => feed constraints.
[2026-05-24 15:00:50] [INFO ] Implicit Places using invariants and state equation in 5135 ms returned []
Implicit Place search using SMT with State Equation took 5971 ms to find 0 implicit places.
[2026-05-24 15:00:50] [INFO ] Redundant transitions in 211 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 6287 ms. Remains : 235/235 places, 3008/3008 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 104 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : DoubleLock-PT-p3s3-LTLFireability-12
Stuttering criterion allowed to conclude after 30 steps with 0 reset in 0 ms.
FORMULA DoubleLock-PT-p3s3-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DoubleLock-PT-p3s3-LTLFireability-12 finished in 6434 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0) U X((p0 U X(X(p1))))))'
Support contains 4 out of 235 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 235/235 places, 3008/3008 transitions.
Applied a total of 0 rules in 16 ms. Remains 235 /235 variables (removed 0) and now considering 3008/3008 (removed 0) transitions.
[2026-05-24 15:00:51] [INFO ] Flow matrix only has 2121 transitions (discarded 887 similar events)
[2026-05-24 15:00:51] [INFO ] Invariant cache hit.
[2026-05-24 15:00:51] [INFO ] Implicit Places using invariants in 544 ms returned []
[2026-05-24 15:00:51] [INFO ] Flow matrix only has 2121 transitions (discarded 887 similar events)
[2026-05-24 15:00:51] [INFO ] Invariant cache hit.
[2026-05-24 15:00:52] [INFO ] State equation strengthened by 143 read => feed constraints.
[2026-05-24 15:00:56] [INFO ] Implicit Places using invariants and state equation in 4736 ms returned []
Implicit Place search using SMT with State Equation took 5300 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 5316 ms. Remains : 235/235 places, 3008/3008 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0) U X((p0 U X(X(p1))))))'
Stuttering acceptance computed with spot in 410 ms :[(NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
Running random walk in product with property : DoubleLock-PT-p3s3-LTLFireability-14
Stuttering criterion allowed to conclude after 66 steps with 0 reset in 1 ms.
FORMULA DoubleLock-PT-p3s3-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DoubleLock-PT-p3s3-LTLFireability-14 finished in 5776 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F((!p0&&F(G(!p1)))) U X(p0))))'
Spot run failed in 61 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/senseclsl.py", line 2, in
import spot, sys
ModuleNotFoundError: No module named 'spot'
Warning : SL/CL computation failed.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G(p0))))'
Spot run failed in 55 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.
[2026-05-24 15:00:57] [INFO ] Flatten gal took : 103 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin12799476894564856605
[2026-05-24 15:00:57] [INFO ] Too many transitions (3008) to apply POR reductions. Disabling POR matrices.
[2026-05-24 15:00:57] [INFO ] Built C files in 52ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin12799476894564856605
Running compilation step : cd /tmp/ltsmin12799476894564856605;'/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'
[2026-05-24 15:00:57] [INFO ] Applying decomposition
[2026-05-24 15:00:57] [INFO ] Flatten gal took : 100 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/graph9528155395625592712.txt' '-o' '/tmp/graph9528155395625592712.bin' '-w' '/tmp/graph9528155395625592712.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph9528155395625592712.bin' '-l' '-1' '-v' '-w' '/tmp/graph9528155395625592712.weights' '-q' '0' '-e' '0.001'
[2026-05-24 15:00:57] [INFO ] Decomposing Gal with order
[2026-05-24 15:00:57] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 15:00:57] [INFO ] Removed a total of 7257 redundant transitions.
[2026-05-24 15:00:57] [INFO ] Flatten gal took : 169 ms
[2026-05-24 15:00:58] [INFO ] Fuse similar labels procedure discarded/fused a total of 503 labels/synchronizations in 79 ms.
[2026-05-24 15:00:58] [INFO ] Time to serialize gal into /tmp/LTLFireability838859601104070320.gal : 17 ms
[2026-05-24 15:00:58] [INFO ] Time to serialize properties into /tmp/LTLFireability5676111860745893038.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/LTLFireability838859601104070320.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability5676111860745893038.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...275
Read 2 LTL properties
Checking formula 0 : !((X((F((!("((i13.i0.u23.p38>=1)&&(i8.i1.u62.l5>=1))"))&&(F(G(!("((i12.i0.u47.p29>=1)&&(i7.u61.l3>=1))"))))))U(X("((i13.i0.u23.p38>=1)...181
Formula 0 simplified : X((GF"((i12.i0.u47.p29>=1)&&(i7.u61.l3>=1))" | G"((i13.i0.u23.p38>=1)&&(i8.i1.u62.l5>=1))") R X!"((i13.i0.u23.p38>=1)&&(i8.i1.u62.l5...162
Compilation finished in 12370 ms.
Running link step : cd /tmp/ltsmin12799476894564856605;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 260 ms.
Running LTSmin : cd /tmp/ltsmin12799476894564856605;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--ltl' 'X((<>((!(LTLAPp0==true)&&<>([](!(LTLAPp1==true))))) U X((LTLAPp0==true))))' '--buchi-type=spotba'
WARNING : LTSmin timed out (>900 s) on command cd /tmp/ltsmin12799476894564856605;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--ltl' 'X((<>((!(LTLAPp0==true)&&<>([](!(LTLAPp1==true))))) U X((LTLAPp0==true))))' '--buchi-type=spotba'
Running LTSmin : cd /tmp/ltsmin12799476894564856605;'/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([]((LTLAPp2==true))))' '--buchi-type=spotba'
Detected timeout of ITS tools.
[2026-05-24 15:24:42] [INFO ] Flatten gal took : 64 ms
[2026-05-24 15:24:42] [INFO ] Time to serialize gal into /tmp/LTLFireability5053000707755657293.gal : 13 ms
[2026-05-24 15:24:42] [INFO ] Time to serialize properties into /tmp/LTLFireability9589220223839959200.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/LTLFireability5053000707755657293.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability9589220223839959200.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...297
Read 2 LTL properties
Checking formula 0 : !((X((F((!("((p38>=1)&&(l5>=1))"))&&(F(G(!("((p29>=1)&&(l3>=1))"))))))U(X("((p38>=1)&&(l5>=1))")))))
Formula 0 simplified : X((GF"((p29>=1)&&(l3>=1))" | G"((p38>=1)&&(l5>=1))") R X!"((p38>=1)&&(l5>=1))")
WARNING : LTSmin timed out (>900 s) on command cd /tmp/ltsmin12799476894564856605;'/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([]((LTLAPp2==true))))' '--buchi-type=spotba'
Retrying LTSmin with larger timeout 14400 s
Running LTSmin : cd /tmp/ltsmin12799476894564856605;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--ltl' 'X((<>((!(LTLAPp0==true)&&<>([](!(LTLAPp1==true))))) U X((LTLAPp0==true))))' '--buchi-type=spotba'
Detected timeout of ITS tools.
[2026-05-24 15:48:31] [INFO ] Flatten gal took : 1436 ms
[2026-05-24 15:48:38] [INFO ] Input system was already deterministic with 3008 transitions.
[2026-05-24 15:48:39] [INFO ] Transformed 235 places.
[2026-05-24 15:48:39] [INFO ] Transformed 3008 transitions.
Running greatSPN : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//../itstools/bin//..//greatspn//bin/pinvar' '/home/mcc/execution/gspn'
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Running greatSPN : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//../itstools/bin//..//greatspn//bin/RGMEDD2' '/home/mcc/execution/gspn' '-META' '-varord-only'
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Using order generated by GreatSPN with heuristic : META
[2026-05-24 15:48:40] [INFO ] Time to serialize gal into /tmp/LTLFireability18237212738097289071.gal : 32 ms
[2026-05-24 15:48:40] [INFO ] Time to serialize properties into /tmp/LTLFireability10251403955454706979.ltl : 4 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/LTLFireability18237212738097289071.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability10251403955454706979.ltl' '-c' '-stutter-deadlock' '--load-order' '/home/mcc/execution/model.ord' '--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...344
Read 2 LTL properties
Successfully loaded order from file /home/mcc/execution/model.ord
Checking formula 0 : !((X((F((!("((p38>=1)&&(l5>=1))"))&&(F(G(!("((p29>=1)&&(l3>=1))"))))))U(X("((p38>=1)&&(l5>=1))")))))
Formula 0 simplified : X((GF"((p29>=1)&&(l3>=1))" | G"((p38>=1)&&(l5>=1))") R X!"((p38>=1)&&(l5>=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="DoubleLock-PT-p3s3"
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 DoubleLock-PT-p3s3, 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 r114-smll-177955740400060"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DoubleLock-PT-p3s3.tgz
mv DoubleLock-PT-p3s3 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 ;