About the Execution of ITS-Tools for DNAwalker-PT-16redondantChoiceR
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 769.924 | 566770.00 | 628844.00 | 1288.40 | FFFFFTFFFTFFFTFF | 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.r098-tall-177955695800836.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 DNAwalker-PT-16redondantChoiceR, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r098-tall-177955695800836
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 684K
-rw-r--r-- 1 mcc users 6.8K Mar 6 15:59 CTLCardinality.txt
-rw-r--r-- 1 mcc users 72K Mar 6 15:59 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.7K Mar 6 15:59 CTLFireability.txt
-rw-r--r-- 1 mcc users 58K Mar 6 15:59 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.0K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 09:34 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 09:34 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 15 09:35 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 09:35 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 6 15:59 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 124K Mar 6 15:59 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.9K Mar 6 15:59 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 82K Mar 6 15:59 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 09:35 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Mar 15 09:35 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 19 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 211K 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 DNAwalker-PT-16redondantChoiceR-LTLFireability-00
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-LTLFireability-01
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-LTLFireability-02
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-LTLFireability-03
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-LTLFireability-04
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-LTLFireability-05
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-LTLFireability-06
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-LTLFireability-07
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-LTLFireability-08
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-LTLFireability-09
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-LTLFireability-10
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-LTLFireability-11
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-LTLFireability-12
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-LTLFireability-13
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-LTLFireability-14
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1779670769852
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DNAwalker-PT-16redondantChoiceR
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-25 00:59:31] [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]
[2026-05-25 00:59:31] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 00:59:31] [INFO ] Load time of PNML (sax parser for PT used): 86 ms
[2026-05-25 00:59:31] [INFO ] Transformed 43 places.
[2026-05-25 00:59:31] [INFO ] Transformed 490 transitions.
[2026-05-25 00:59:31] [INFO ] Parsed PT model containing 43 places and 490 transitions and 1438 arcs in 176 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 9 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
FORMULA DNAwalker-PT-16redondantChoiceR-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DNAwalker-PT-16redondantChoiceR-LTLFireability-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 29 out of 43 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 43/43 places, 490/490 transitions.
Applied a total of 0 rules in 25 ms. Remains 43 /43 variables (removed 0) and now considering 490/490 (removed 0) transitions.
Running 466 sub problems to find dead transitions.
[2026-05-25 00:59:31] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6823460046645285660.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15535314233269688743.kers'
[2026-05-25 00:59:31] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6823460046645285660.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15535314233269688743.kers]
Normalized transition count is 488 out of 489 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 488 rows 43 cols 966 entries
Finished phase 1 with 43 SingleSign rule and 0 generalized
[2026-05-25 00:59:31] [INFO ] Computed 0 invariants in 1 ms
Computed 0 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-15535314233269688743.kers
Total runtime 3 ms.
[2026-05-25 00:59:31] [INFO ] State equation strengthened by 161 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 1 (OVERLAPS) 478/511 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/511 variables, 160/193 constraints. Problems are: Problem set: 0 solved, 466 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/511 variables, 0/193 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 4 (OVERLAPS) 20/531 variables, 10/203 constraints. Problems are: Problem set: 0 solved, 466 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 531/532 variables, and 203 constraints, problems are : Problem set: 0 solved, 466 unsolved in 20081 ms.
Refiners :[State Equation: 43/43 constraints, ReadFeed: 160/161 constraints, PredecessorRefiner: 466/466 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 466 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 1 (OVERLAPS) 478/511 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/511 variables, 160/193 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/511 variables, 466/659 constraints. Problems are: Problem set: 0 solved, 466 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 511/532 variables, and 659 constraints, problems are : Problem set: 0 solved, 466 unsolved in 20029 ms.
Refiners :[State Equation: 33/43 constraints, ReadFeed: 160/161 constraints, PredecessorRefiner: 466/466 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40551ms problems are : Problem set: 0 solved, 466 unsolved
Search for dead transitions found 0 dead transitions in 40577ms
[2026-05-25 01:00:12] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2026-05-25 01:00:12] [INFO ] Invariant cache hit.
[2026-05-25 01:00:12] [INFO ] Implicit Places using invariants in 50 ms returned []
[2026-05-25 01:00:12] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2026-05-25 01:00:12] [INFO ] Invariant cache hit.
[2026-05-25 01:00:12] [INFO ] State equation strengthened by 161 read => feed constraints.
[2026-05-25 01:00:12] [INFO ] Implicit Places using invariants and state equation in 349 ms returned []
Implicit Place search using SMT with State Equation took 413 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 41080 ms. Remains : 43/43 places, 490/490 transitions.
Starting structural reductions in LTL mode, iteration 0 : 43/43 places, 490/490 transitions.
Applied a total of 0 rules in 9 ms. Remains 43 /43 variables (removed 0) and now considering 490/490 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 01:00:12] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2026-05-25 01:00:12] [INFO ] Invariant cache hit.
[2026-05-25 01:00:12] [INFO ] Implicit Places using invariants in 21 ms returned []
[2026-05-25 01:00:12] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2026-05-25 01:00:12] [INFO ] Invariant cache hit.
[2026-05-25 01:00:12] [INFO ] State equation strengthened by 161 read => feed constraints.
[2026-05-25 01:00:12] [INFO ] Implicit Places using invariants and state equation in 303 ms returned []
Implicit Place search using SMT with State Equation took 328 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 338 ms. Remains : 43/43 places, 490/490 transitions.
Support contains 29 out of 43 places after structural reductions.
[2026-05-25 01:00:13] [INFO ] Flatten gal took : 86 ms
[2026-05-25 01:00:13] [INFO ] Flatten gal took : 28 ms
[2026-05-25 01:00:13] [INFO ] Input system was already deterministic with 490 transitions.
RANDOM walk for 40000 steps (1538 resets) in 1521 ms. (26 steps per ms) remains 1/32 properties
BEST_FIRST walk for 40004 steps (102 resets) in 109 ms. (363 steps per ms) remains 1/1 properties
[2026-05-25 01:00:13] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2026-05-25 01:00:13] [INFO ] Invariant cache hit.
[2026-05-25 01:00:13] [INFO ] State equation strengthened by 161 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 126/130 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/130 variables, 31/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/130 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 348/478 variables, 25/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/478 variables, 113/173 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/478 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 50/528 variables, 12/185 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/528 variables, 16/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/528 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 3/531 variables, 2/203 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/531 variables, 0/203 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1/532 variables, 1/204 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/532 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/532 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 532/532 variables, and 204 constraints, problems are : Problem set: 0 solved, 1 unsolved in 335 ms.
Refiners :[State Equation: 43/43 constraints, ReadFeed: 161/161 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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 126/130 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/130 variables, 31/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/130 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 348/478 variables, 25/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/478 variables, 113/173 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/478 variables, 1/174 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/478 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 50/528 variables, 12/186 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/528 variables, 16/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/528 variables, 0/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 531/532 variables, and 204 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1313 ms.
Refiners :[State Equation: 43/43 constraints, ReadFeed: 160/161 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1656ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 4 out of 43 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 43/43 places, 490/490 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 12 place count 43 transition count 478
Reduce places removed 8 places and 8 transitions.
Iterating global reduction 1 with 8 rules applied. Total rules applied 20 place count 35 transition count 470
Applied a total of 20 rules in 47 ms. Remains 35 /43 variables (removed 8) and now considering 470/490 (removed 20) transitions.
Running 463 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8710083550131352727.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10765709214265411277.kers'
[2026-05-25 01:00:15] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8710083550131352727.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10765709214265411277.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 470 rows 35 cols 940 entries
Finished phase 1 with 35 SingleSign rule and 0 generalized
[2026-05-25 01:00:15] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-10765709214265411277.kers
Total runtime 1 ms.
[2026-05-25 01:00:15] [INFO ] State equation strengthened by 31 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 463 unsolved
At refinement iteration 1 (OVERLAPS) 470/503 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 463 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/503 variables, 31/64 constraints. Problems are: Problem set: 0 solved, 463 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/503 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 463 unsolved
At refinement iteration 4 (OVERLAPS) 2/505 variables, 2/66 constraints. Problems are: Problem set: 0 solved, 463 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/505 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 463 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 505/505 variables, and 66 constraints, problems are : Problem set: 0 solved, 463 unsolved in 20024 ms.
Refiners :[State Equation: 35/35 constraints, ReadFeed: 31/31 constraints, PredecessorRefiner: 463/463 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 463 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 463 unsolved
At refinement iteration 1 (OVERLAPS) 470/503 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 463 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/503 variables, 31/64 constraints. Problems are: Problem set: 0 solved, 463 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/503 variables, 463/527 constraints. Problems are: Problem set: 0 solved, 463 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/503 variables, 0/527 constraints. Problems are: Problem set: 0 solved, 463 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 505/505 variables, and 529 constraints, problems are : Problem set: 0 solved, 463 unsolved in 20029 ms.
Refiners :[State Equation: 35/35 constraints, ReadFeed: 31/31 constraints, PredecessorRefiner: 463/463 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40227ms problems are : Problem set: 0 solved, 463 unsolved
Search for dead transitions found 0 dead transitions in 40228ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40277 ms. Remains : 35/43 places, 470/490 transitions.
RANDOM walk for 40000 steps (1914 resets) in 269 ms. (148 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (181 resets) in 107 ms. (370 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 996176 steps, run timeout after 3001 ms. (steps per millisecond=331 ) properties seen :0 out of 1
Probabilistic random walk after 996176 steps, saw 240218 distinct states, run finished after 3009 ms. (steps per millisecond=331 ) properties seen :0
[2026-05-25 01:00:58] [INFO ] Invariant cache hit.
[2026-05-25 01:00:58] [INFO ] State equation strengthened by 31 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 126/130 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/130 variables, 31/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/130 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 339/469 variables, 25/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/469 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 35/504 variables, 5/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/504 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/505 variables, 1/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/505 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/505 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 505/505 variables, and 66 constraints, problems are : Problem set: 0 solved, 1 unsolved in 152 ms.
Refiners :[State Equation: 35/35 constraints, ReadFeed: 31/31 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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 126/130 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/130 variables, 31/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/130 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 339/469 variables, 25/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/469 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/469 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 35/504 variables, 5/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/504 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 505/505 variables, and 67 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9170 ms.
Refiners :[State Equation: 35/35 constraints, ReadFeed: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9329ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 4 out of 35 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 35/35 places, 470/470 transitions.
Applied a total of 0 rules in 18 ms. Remains 35 /35 variables (removed 0) and now considering 470/470 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 35/35 places, 470/470 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 35/35 places, 470/470 transitions.
Applied a total of 0 rules in 8 ms. Remains 35 /35 variables (removed 0) and now considering 470/470 (removed 0) transitions.
[2026-05-25 01:01:08] [INFO ] Invariant cache hit.
[2026-05-25 01:01:08] [INFO ] Implicit Places using invariants in 57 ms returned []
[2026-05-25 01:01:08] [INFO ] Invariant cache hit.
[2026-05-25 01:01:08] [INFO ] State equation strengthened by 31 read => feed constraints.
[2026-05-25 01:01:09] [INFO ] Implicit Places using invariants and state equation in 859 ms returned [33, 34]
Discarding 2 places :
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Implicit Place search using SMT with State Equation took 925 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 33/35 places, 462/470 transitions.
Applied a total of 0 rules in 15 ms. Remains 33 /33 variables (removed 0) and now considering 462/462 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 948 ms. Remains : 33/35 places, 462/470 transitions.
RANDOM walk for 40000 steps (1522 resets) in 1964 ms. (20 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (165 resets) in 100 ms. (396 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1063783 steps, run timeout after 3001 ms. (steps per millisecond=354 ) properties seen :0 out of 1
Probabilistic random walk after 1063783 steps, saw 255527 distinct states, run finished after 3001 ms. (steps per millisecond=354 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6927301220153984224.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15023842427915674592.kers'
[2026-05-25 01:01:12] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6927301220153984224.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15023842427915674592.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 462 rows 33 cols 920 entries
Finished phase 1 with 33 SingleSign rule and 0 generalized
[2026-05-25 01:01:12] [INFO ] Computed 0 invariants in 3 ms
Computed 0 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-15023842427915674592.kers
Total runtime 5 ms.
[2026-05-25 01:01:12] [INFO ] State equation strengthened by 31 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 126/130 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/130 variables, 31/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/130 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 329/459 variables, 23/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/459 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 35/494 variables, 5/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/494 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/495 variables, 1/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/495 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/495 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 495/495 variables, and 64 constraints, problems are : Problem set: 0 solved, 1 unsolved in 118 ms.
Refiners :[State Equation: 33/33 constraints, ReadFeed: 31/31 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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 126/130 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/130 variables, 31/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/130 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 329/459 variables, 23/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/459 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/459 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 35/494 variables, 5/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/494 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 495/495 variables, and 65 constraints, problems are : Problem set: 0 solved, 1 unsolved in 15176 ms.
Refiners :[State Equation: 33/33 constraints, ReadFeed: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 15317ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 4 out of 33 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 33/33 places, 462/462 transitions.
Applied a total of 0 rules in 12 ms. Remains 33 /33 variables (removed 0) and now considering 462/462 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 33/33 places, 462/462 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 33/33 places, 462/462 transitions.
Applied a total of 0 rules in 7 ms. Remains 33 /33 variables (removed 0) and now considering 462/462 (removed 0) transitions.
[2026-05-25 01:01:28] [INFO ] Invariant cache hit.
[2026-05-25 01:01:28] [INFO ] Implicit Places using invariants in 41 ms returned []
[2026-05-25 01:01:28] [INFO ] Invariant cache hit.
[2026-05-25 01:01:28] [INFO ] State equation strengthened by 31 read => feed constraints.
[2026-05-25 01:01:28] [INFO ] Implicit Places using invariants and state equation in 608 ms returned []
Implicit Place search using SMT with State Equation took 652 ms to find 0 implicit places.
[2026-05-25 01:01:28] [INFO ] Redundant transitions in 44 ms returned []
Running 455 sub problems to find dead transitions.
[2026-05-25 01:01:28] [INFO ] Invariant cache hit.
[2026-05-25 01:01:28] [INFO ] State equation strengthened by 31 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 455 unsolved
At refinement iteration 1 (OVERLAPS) 462/493 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 455 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/493 variables, 31/62 constraints. Problems are: Problem set: 0 solved, 455 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/493 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 455 unsolved
At refinement iteration 4 (OVERLAPS) 2/495 variables, 2/64 constraints. Problems are: Problem set: 0 solved, 455 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/495 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 455 unsolved
At refinement iteration 6 (OVERLAPS) 0/495 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 455 unsolved
No progress, stopping.
After SMT solving in domain Real declared 495/495 variables, and 64 constraints, problems are : Problem set: 0 solved, 455 unsolved in 22333 ms.
Refiners :[State Equation: 33/33 constraints, ReadFeed: 31/31 constraints, PredecessorRefiner: 455/455 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 455 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 455 unsolved
At refinement iteration 1 (OVERLAPS) 462/493 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 455 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 493/495 variables, and 62 constraints, problems are : Problem set: 0 solved, 455 unsolved in 30025 ms.
Refiners :[State Equation: 31/33 constraints, ReadFeed: 31/31 constraints, PredecessorRefiner: 0/455 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 52550ms problems are : Problem set: 0 solved, 455 unsolved
Search for dead transitions found 0 dead transitions in 52552ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 53262 ms. Remains : 33/33 places, 462/462 transitions.
FORMULA DNAwalker-PT-16redondantChoiceR-LTLFireability-06 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA DNAwalker-PT-16redondantChoiceR-LTLFireability-00 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 43 stabilizing places and 488 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 43 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 43/43 places, 490/490 transitions.
Applied a total of 0 rules in 13 ms. Remains 43 /43 variables (removed 0) and now considering 490/490 (removed 0) transitions.
Running 466 sub problems to find dead transitions.
[2026-05-25 01:02:21] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4953500037539092815.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6537761701637094154.kers'
[2026-05-25 01:02:21] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4953500037539092815.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6537761701637094154.kers]
Normalized transition count is 488 out of 489 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 488 rows 43 cols 966 entries
Finished phase 1 with 43 SingleSign rule and 0 generalized
[2026-05-25 01:02:21] [INFO ] Computed 0 invariants in 1 ms
Computed 0 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-6537761701637094154.kers
Total runtime 2 ms.
[2026-05-25 01:02:21] [INFO ] State equation strengthened by 161 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 1 (OVERLAPS) 478/511 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/511 variables, 160/193 constraints. Problems are: Problem set: 0 solved, 466 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/511 variables, 0/193 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 4 (OVERLAPS) 20/531 variables, 10/203 constraints. Problems are: Problem set: 0 solved, 466 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 531/532 variables, and 203 constraints, problems are : Problem set: 0 solved, 466 unsolved in 20019 ms.
Refiners :[State Equation: 43/43 constraints, ReadFeed: 160/161 constraints, PredecessorRefiner: 466/466 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 466 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 1 (OVERLAPS) 478/511 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/511 variables, 160/193 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/511 variables, 466/659 constraints. Problems are: Problem set: 0 solved, 466 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 511/532 variables, and 659 constraints, problems are : Problem set: 0 solved, 466 unsolved in 20028 ms.
Refiners :[State Equation: 33/43 constraints, ReadFeed: 160/161 constraints, PredecessorRefiner: 466/466 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40185ms problems are : Problem set: 0 solved, 466 unsolved
Search for dead transitions found 0 dead transitions in 40186ms
[2026-05-25 01:03:01] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2026-05-25 01:03:01] [INFO ] Invariant cache hit.
[2026-05-25 01:03:01] [INFO ] Implicit Places using invariants in 49 ms returned []
[2026-05-25 01:03:01] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2026-05-25 01:03:01] [INFO ] Invariant cache hit.
[2026-05-25 01:03:02] [INFO ] State equation strengthened by 161 read => feed constraints.
[2026-05-25 01:03:02] [INFO ] Implicit Places using invariants and state equation in 1011 ms returned []
Implicit Place search using SMT with State Equation took 1065 ms to find 0 implicit places.
[2026-05-25 01:03:03] [INFO ] Redundant transitions in 11 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 41287 ms. Remains : 43/43 places, 490/490 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Stuttering acceptance computed with spot in 160 ms :[(NOT p0)]
Running random walk in product with property : DNAwalker-PT-16redondantChoiceR-LTLFireability-01
Stuttering criterion allowed to conclude after 31 steps with 0 reset in 3 ms.
FORMULA DNAwalker-PT-16redondantChoiceR-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DNAwalker-PT-16redondantChoiceR-LTLFireability-01 finished in 41535 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 4 out of 43 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 43/43 places, 490/490 transitions.
Applied a total of 0 rules in 10 ms. Remains 43 /43 variables (removed 0) and now considering 490/490 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 01:03:03] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2026-05-25 01:03:03] [INFO ] Invariant cache hit.
[2026-05-25 01:03:03] [INFO ] Implicit Places using invariants in 42 ms returned []
[2026-05-25 01:03:03] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2026-05-25 01:03:03] [INFO ] Invariant cache hit.
[2026-05-25 01:03:03] [INFO ] State equation strengthened by 161 read => feed constraints.
[2026-05-25 01:03:04] [INFO ] Implicit Places using invariants and state equation in 973 ms returned []
Implicit Place search using SMT with State Equation took 1017 ms to find 0 implicit places.
[2026-05-25 01:03:04] [INFO ] Redundant transitions in 20 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1058 ms. Remains : 43/43 places, 490/490 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Stuttering acceptance computed with spot in 39 ms :[(NOT p0)]
Running random walk in product with property : DNAwalker-PT-16redondantChoiceR-LTLFireability-03
Stuttering criterion allowed to conclude after 13 steps with 0 reset in 0 ms.
FORMULA DNAwalker-PT-16redondantChoiceR-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DNAwalker-PT-16redondantChoiceR-LTLFireability-03 finished in 1127 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||G(p1)))))'
Support contains 6 out of 43 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 43/43 places, 490/490 transitions.
Applied a total of 0 rules in 11 ms. Remains 43 /43 variables (removed 0) and now considering 490/490 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 01:03:04] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2026-05-25 01:03:04] [INFO ] Invariant cache hit.
[2026-05-25 01:03:04] [INFO ] Implicit Places using invariants in 42 ms returned []
[2026-05-25 01:03:04] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2026-05-25 01:03:04] [INFO ] Invariant cache hit.
[2026-05-25 01:03:04] [INFO ] State equation strengthened by 161 read => feed constraints.
[2026-05-25 01:03:05] [INFO ] Implicit Places using invariants and state equation in 857 ms returned []
Implicit Place search using SMT with State Equation took 901 ms to find 0 implicit places.
[2026-05-25 01:03:05] [INFO ] Redundant transitions in 10 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 936 ms. Remains : 43/43 places, 490/490 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((G(p0)||p1))))'
Stuttering acceptance computed with spot in 98 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : DNAwalker-PT-16redondantChoiceR-LTLFireability-04
Stuttering criterion allowed to conclude after 28 steps with 0 reset in 1 ms.
FORMULA DNAwalker-PT-16redondantChoiceR-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DNAwalker-PT-16redondantChoiceR-LTLFireability-04 finished in 1059 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 43 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 43/43 places, 490/490 transitions.
Applied a total of 0 rules in 12 ms. Remains 43 /43 variables (removed 0) and now considering 490/490 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 01:03:05] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2026-05-25 01:03:05] [INFO ] Invariant cache hit.
[2026-05-25 01:03:05] [INFO ] Implicit Places using invariants in 84 ms returned []
[2026-05-25 01:03:05] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2026-05-25 01:03:05] [INFO ] Invariant cache hit.
[2026-05-25 01:03:05] [INFO ] State equation strengthened by 161 read => feed constraints.
[2026-05-25 01:03:06] [INFO ] Implicit Places using invariants and state equation in 963 ms returned []
Implicit Place search using SMT with State Equation took 1050 ms to find 0 implicit places.
[2026-05-25 01:03:06] [INFO ] Redundant transitions in 8 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1078 ms. Remains : 43/43 places, 490/490 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 76 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : DNAwalker-PT-16redondantChoiceR-LTLFireability-07
Stuttering criterion allowed to conclude after 35 steps with 1 reset in 0 ms.
FORMULA DNAwalker-PT-16redondantChoiceR-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DNAwalker-PT-16redondantChoiceR-LTLFireability-07 finished in 1189 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(G(p0)))))'
Support contains 2 out of 43 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 43/43 places, 490/490 transitions.
Applied a total of 0 rules in 1 ms. Remains 43 /43 variables (removed 0) and now considering 490/490 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 01:03:06] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2026-05-25 01:03:06] [INFO ] Invariant cache hit.
[2026-05-25 01:03:06] [INFO ] Implicit Places using invariants in 41 ms returned []
[2026-05-25 01:03:06] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2026-05-25 01:03:06] [INFO ] Invariant cache hit.
[2026-05-25 01:03:06] [INFO ] State equation strengthened by 161 read => feed constraints.
[2026-05-25 01:03:07] [INFO ] Implicit Places using invariants and state equation in 835 ms returned []
Implicit Place search using SMT with State Equation took 879 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 882 ms. Remains : 43/43 places, 490/490 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(G(p0)))))'
Stuttering acceptance computed with spot in 186 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : DNAwalker-PT-16redondantChoiceR-LTLFireability-08
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA DNAwalker-PT-16redondantChoiceR-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DNAwalker-PT-16redondantChoiceR-LTLFireability-08 finished in 1105 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((F(p0)||(p1&&X(p1))))))'
Support contains 4 out of 43 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 43/43 places, 490/490 transitions.
Applied a total of 0 rules in 2 ms. Remains 43 /43 variables (removed 0) and now considering 490/490 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 01:03:07] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2026-05-25 01:03:07] [INFO ] Invariant cache hit.
[2026-05-25 01:03:07] [INFO ] Implicit Places using invariants in 47 ms returned []
[2026-05-25 01:03:07] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2026-05-25 01:03:07] [INFO ] Invariant cache hit.
[2026-05-25 01:03:07] [INFO ] State equation strengthened by 161 read => feed constraints.
[2026-05-25 01:03:08] [INFO ] Implicit Places using invariants and state equation in 1051 ms returned []
Implicit Place search using SMT with State Equation took 1110 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1113 ms. Remains : 43/43 places, 490/490 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((F(p0)||(X(p1)&&p1)))))'
Stuttering acceptance computed with spot in 194 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : DNAwalker-PT-16redondantChoiceR-LTLFireability-09
Product exploration explored 100000 steps with 32606 reset in 326 ms.
Product exploration explored 100000 steps with 32600 reset in 312 ms.
Computed a total of 43 stabilizing places and 488 stable transitions
Computed a total of 43 stabilizing places and 488 stable transitions
Detected a total of 43/43 stabilizing places and 488/490 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/2 atomic propositions.
Knowledge based reduction with 5 factoid took 119 ms. Reduced automaton from 5 states, 6 edges and 2 AP (stutter sensitive) to 5 states, 5 edges and 2 AP (stutter sensitive).
RANDOM walk for 40000 steps (1512 resets) in 366 ms. (108 steps per ms) remains 1/3 properties
BEST_FIRST walk for 40004 steps (96 resets) in 189 ms. (210 steps per ms) remains 1/1 properties
[2026-05-25 01:03:09] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2026-05-25 01:03:09] [INFO ] Invariant cache hit.
[2026-05-25 01:03:09] [INFO ] State equation strengthened by 161 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/127 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/127 variables, 38/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/127 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 387/514 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/514 variables, 122/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/514 variables, 0/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 17/531 variables, 9/203 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/531 variables, 0/203 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1/532 variables, 1/204 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/532 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/532 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 532/532 variables, and 204 constraints, problems are : Problem set: 0 solved, 1 unsolved in 258 ms.
Refiners :[State Equation: 43/43 constraints, ReadFeed: 161/161 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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/127 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/127 variables, 38/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/127 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 387/514 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 514/532 variables, and 194 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1119 ms.
Refiners :[State Equation: 34/43 constraints, ReadFeed: 160/161 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1383ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 4 out of 43 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 43/43 places, 490/490 transitions.
Graph (complete) has 478 edges and 43 vertex of which 42 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Drop transitions (Empty/Sink Transition effects.) removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 0 with 17 rules applied. Total rules applied 18 place count 42 transition count 472
Reduce places removed 8 places and 8 transitions.
Iterating global reduction 1 with 8 rules applied. Total rules applied 26 place count 34 transition count 464
Applied a total of 26 rules in 14 ms. Remains 34 /43 variables (removed 9) and now considering 464/490 (removed 26) transitions.
Running 457 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11852865944336084018.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3022219048779769105.kers'
[2026-05-25 01:03:11] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11852865944336084018.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3022219048779769105.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 464 rows 34 cols 928 entries
Finished phase 1 with 34 SingleSign rule and 0 generalized
[2026-05-25 01:03:11] [INFO ] Computed 0 invariants in 3 ms
Computed 0 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-3022219048779769105.kers
Total runtime 5 ms.
[2026-05-25 01:03:11] [INFO ] State equation strengthened by 38 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 457 unsolved
At refinement iteration 1 (OVERLAPS) 464/496 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 457 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/496 variables, 38/70 constraints. Problems are: Problem set: 0 solved, 457 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/496 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 457 unsolved
At refinement iteration 4 (OVERLAPS) 2/498 variables, 2/72 constraints. Problems are: Problem set: 0 solved, 457 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/498 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 457 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 6 (OVERLAPS) 0/498 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 457 unsolved
No progress, stopping.
After SMT solving in domain Real declared 498/498 variables, and 72 constraints, problems are : Problem set: 0 solved, 457 unsolved in 20029 ms.
Refiners :[State Equation: 34/34 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 457/457 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 457 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 457 unsolved
At refinement iteration 1 (OVERLAPS) 464/496 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 457 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/496 variables, 38/70 constraints. Problems are: Problem set: 0 solved, 457 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/496 variables, 457/527 constraints. Problems are: Problem set: 0 solved, 457 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 496/498 variables, and 527 constraints, problems are : Problem set: 0 solved, 457 unsolved in 20024 ms.
Refiners :[State Equation: 32/34 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 457/457 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40234ms problems are : Problem set: 0 solved, 457 unsolved
Search for dead transitions found 0 dead transitions in 40235ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40252 ms. Remains : 34/43 places, 464/490 transitions.
RANDOM walk for 40000 steps (1646 resets) in 287 ms. (138 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (165 resets) in 70 ms. (563 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 979350 steps, run timeout after 3001 ms. (steps per millisecond=326 ) properties seen :0 out of 1
Probabilistic random walk after 979350 steps, saw 218003 distinct states, run finished after 3001 ms. (steps per millisecond=326 ) properties seen :0
[2026-05-25 01:03:54] [INFO ] Invariant cache hit.
[2026-05-25 01:03:54] [INFO ] State equation strengthened by 38 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/127 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/127 variables, 38/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/127 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 371/498 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/498 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/498 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 498/498 variables, and 72 constraints, problems are : Problem set: 0 solved, 1 unsolved in 155 ms.
Refiners :[State Equation: 34/34 constraints, ReadFeed: 38/38 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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/127 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/127 variables, 38/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/127 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 498/498 variables, and 72 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9085 ms.
Refiners :[State Equation: 34/34 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9248ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 4 out of 34 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 34/34 places, 464/464 transitions.
Applied a total of 0 rules in 11 ms. Remains 34 /34 variables (removed 0) and now considering 464/464 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 34/34 places, 464/464 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 34/34 places, 464/464 transitions.
Applied a total of 0 rules in 5 ms. Remains 34 /34 variables (removed 0) and now considering 464/464 (removed 0) transitions.
[2026-05-25 01:04:04] [INFO ] Invariant cache hit.
[2026-05-25 01:04:04] [INFO ] Implicit Places using invariants in 44 ms returned []
[2026-05-25 01:04:04] [INFO ] Invariant cache hit.
[2026-05-25 01:04:04] [INFO ] State equation strengthened by 38 read => feed constraints.
[2026-05-25 01:04:04] [INFO ] Implicit Places using invariants and state equation in 627 ms returned [33]
Discarding 1 places :
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Implicit Place search using SMT with State Equation took 675 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 33/34 places, 459/464 transitions.
Applied a total of 0 rules in 9 ms. Remains 33 /33 variables (removed 0) and now considering 459/459 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 689 ms. Remains : 33/34 places, 459/464 transitions.
RANDOM walk for 40000 steps (1388 resets) in 280 ms. (142 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (151 resets) in 87 ms. (454 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 983136 steps, run timeout after 3001 ms. (steps per millisecond=327 ) properties seen :0 out of 1
Probabilistic random walk after 983136 steps, saw 218744 distinct states, run finished after 3001 ms. (steps per millisecond=327 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13462670255549101739.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5853213830954613724.kers'
[2026-05-25 01:04:07] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13462670255549101739.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5853213830954613724.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 459 rows 33 cols 917 entries
Finished phase 1 with 33 SingleSign rule and 0 generalized
[2026-05-25 01:04:07] [INFO ] Computed 0 invariants in 3 ms
Computed 0 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-5853213830954613724.kers
Total runtime 5 ms.
[2026-05-25 01:04:07] [INFO ] State equation strengthened by 38 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/127 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/127 variables, 38/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/127 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 365/492 variables, 29/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/492 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/492 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 492/492 variables, and 71 constraints, problems are : Problem set: 0 solved, 1 unsolved in 133 ms.
Refiners :[State Equation: 33/33 constraints, ReadFeed: 38/38 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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/127 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/127 variables, 38/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/127 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 492/492 variables, and 71 constraints, problems are : Problem set: 0 solved, 1 unsolved in 15094 ms.
Refiners :[State Equation: 33/33 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 15264ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 4 out of 33 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 33/33 places, 459/459 transitions.
Applied a total of 0 rules in 5 ms. Remains 33 /33 variables (removed 0) and now considering 459/459 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 33/33 places, 459/459 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 33/33 places, 459/459 transitions.
Applied a total of 0 rules in 4 ms. Remains 33 /33 variables (removed 0) and now considering 459/459 (removed 0) transitions.
[2026-05-25 01:04:23] [INFO ] Invariant cache hit.
[2026-05-25 01:04:23] [INFO ] Implicit Places using invariants in 38 ms returned []
[2026-05-25 01:04:23] [INFO ] Invariant cache hit.
[2026-05-25 01:04:23] [INFO ] State equation strengthened by 38 read => feed constraints.
[2026-05-25 01:04:23] [INFO ] Implicit Places using invariants and state equation in 731 ms returned []
Implicit Place search using SMT with State Equation took 783 ms to find 0 implicit places.
[2026-05-25 01:04:23] [INFO ] Redundant transitions in 5 ms returned []
Running 452 sub problems to find dead transitions.
[2026-05-25 01:04:23] [INFO ] Invariant cache hit.
[2026-05-25 01:04:23] [INFO ] State equation strengthened by 38 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 459/490 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/490 variables, 38/69 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/490 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 4 (OVERLAPS) 2/492 variables, 2/71 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/492 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 6 (OVERLAPS) 0/492 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 452 unsolved
No progress, stopping.
After SMT solving in domain Real declared 492/492 variables, and 71 constraints, problems are : Problem set: 0 solved, 452 unsolved in 22540 ms.
Refiners :[State Equation: 33/33 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 452/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 452 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 459/490 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 490/492 variables, and 69 constraints, problems are : Problem set: 0 solved, 452 unsolved in 30042 ms.
Refiners :[State Equation: 31/33 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 0/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 52696ms problems are : Problem set: 0 solved, 452 unsolved
Search for dead transitions found 0 dead transitions in 52697ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 53503 ms. Remains : 33/33 places, 459/459 transitions.
Knowledge based reduction with 5 factoid took 115 ms. Reduced automaton from 5 states, 5 edges and 2 AP (stutter sensitive) to 5 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 162 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0)]
Knowledge-based reduction took 127185 ms.
Stuttering acceptance computed with spot in 153 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0)]
Support contains 4 out of 43 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 43/43 places, 490/490 transitions.
Applied a total of 0 rules in 1 ms. Remains 43 /43 variables (removed 0) and now considering 490/490 (removed 0) transitions.
Running 466 sub problems to find dead transitions.
[2026-05-25 01:05:17] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1082618783977389427.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12530260321589829436.kers'
[2026-05-25 01:05:17] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1082618783977389427.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12530260321589829436.kers]
Normalized transition count is 488 out of 489 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 488 rows 43 cols 966 entries
Finished phase 1 with 43 SingleSign rule and 0 generalized
[2026-05-25 01:05:17] [INFO ] Computed 0 invariants in 1 ms
Computed 0 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-12530260321589829436.kers
Total runtime 1 ms.
[2026-05-25 01:05:17] [INFO ] State equation strengthened by 161 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 1 (OVERLAPS) 478/511 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/511 variables, 160/193 constraints. Problems are: Problem set: 0 solved, 466 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/511 variables, 0/193 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 4 (OVERLAPS) 20/531 variables, 10/203 constraints. Problems are: Problem set: 0 solved, 466 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 531/532 variables, and 203 constraints, problems are : Problem set: 0 solved, 466 unsolved in 20028 ms.
Refiners :[State Equation: 43/43 constraints, ReadFeed: 160/161 constraints, PredecessorRefiner: 466/466 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 466 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 1 (OVERLAPS) 478/511 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/511 variables, 160/193 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/511 variables, 466/659 constraints. Problems are: Problem set: 0 solved, 466 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 511/532 variables, and 659 constraints, problems are : Problem set: 0 solved, 466 unsolved in 20021 ms.
Refiners :[State Equation: 33/43 constraints, ReadFeed: 160/161 constraints, PredecessorRefiner: 466/466 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40217ms problems are : Problem set: 0 solved, 466 unsolved
Search for dead transitions found 0 dead transitions in 40218ms
[2026-05-25 01:05:57] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2026-05-25 01:05:57] [INFO ] Invariant cache hit.
[2026-05-25 01:05:57] [INFO ] Implicit Places using invariants in 52 ms returned []
[2026-05-25 01:05:57] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2026-05-25 01:05:57] [INFO ] Invariant cache hit.
[2026-05-25 01:05:57] [INFO ] State equation strengthened by 161 read => feed constraints.
[2026-05-25 01:05:58] [INFO ] Implicit Places using invariants and state equation in 1062 ms returned []
Implicit Place search using SMT with State Equation took 1139 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 41361 ms. Remains : 43/43 places, 490/490 transitions.
Computed a total of 43 stabilizing places and 488 stable transitions
Computed a total of 43 stabilizing places and 488 stable transitions
Detected a total of 43/43 stabilizing places and 488/490 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/2 atomic propositions.
Knowledge based reduction with 3 factoid took 67 ms. Reduced automaton from 5 states, 5 edges and 2 AP (stutter sensitive) to 5 states, 5 edges and 2 AP (stutter sensitive).
RANDOM walk for 40000 steps (1519 resets) in 304 ms. (131 steps per ms) remains 1/3 properties
BEST_FIRST walk for 40004 steps (96 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
[2026-05-25 01:05:58] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2026-05-25 01:05:58] [INFO ] Invariant cache hit.
[2026-05-25 01:05:58] [INFO ] State equation strengthened by 161 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/127 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/127 variables, 38/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/127 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 387/514 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/514 variables, 122/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/514 variables, 0/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 17/531 variables, 9/203 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/531 variables, 0/203 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1/532 variables, 1/204 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/532 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/532 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 532/532 variables, and 204 constraints, problems are : Problem set: 0 solved, 1 unsolved in 361 ms.
Refiners :[State Equation: 43/43 constraints, ReadFeed: 161/161 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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/127 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/127 variables, 38/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/127 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 387/514 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 514/532 variables, and 194 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1089 ms.
Refiners :[State Equation: 34/43 constraints, ReadFeed: 160/161 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1479ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 4 out of 43 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 43/43 places, 490/490 transitions.
Graph (complete) has 478 edges and 43 vertex of which 42 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Drop transitions (Empty/Sink Transition effects.) removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 0 with 17 rules applied. Total rules applied 18 place count 42 transition count 472
Reduce places removed 8 places and 8 transitions.
Iterating global reduction 1 with 8 rules applied. Total rules applied 26 place count 34 transition count 464
Applied a total of 26 rules in 19 ms. Remains 34 /43 variables (removed 9) and now considering 464/490 (removed 26) transitions.
Running 457 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8126432607056043866.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2821701180961746571.kers'
[2026-05-25 01:06:00] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8126432607056043866.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2821701180961746571.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 464 rows 34 cols 928 entries
Finished phase 1 with 34 SingleSign rule and 0 generalized
[2026-05-25 01:06:00] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-2821701180961746571.kers
Total runtime 1 ms.
[2026-05-25 01:06:00] [INFO ] State equation strengthened by 38 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 457 unsolved
At refinement iteration 1 (OVERLAPS) 464/496 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 457 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/496 variables, 38/70 constraints. Problems are: Problem set: 0 solved, 457 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/496 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 457 unsolved
At refinement iteration 4 (OVERLAPS) 2/498 variables, 2/72 constraints. Problems are: Problem set: 0 solved, 457 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/498 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 457 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 6 (OVERLAPS) 0/498 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 457 unsolved
No progress, stopping.
After SMT solving in domain Real declared 498/498 variables, and 72 constraints, problems are : Problem set: 0 solved, 457 unsolved in 20013 ms.
Refiners :[State Equation: 34/34 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 457/457 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 457 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 457 unsolved
At refinement iteration 1 (OVERLAPS) 464/496 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 457 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/496 variables, 38/70 constraints. Problems are: Problem set: 0 solved, 457 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/496 variables, 457/527 constraints. Problems are: Problem set: 0 solved, 457 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 496/498 variables, and 527 constraints, problems are : Problem set: 0 solved, 457 unsolved in 20026 ms.
Refiners :[State Equation: 32/34 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 457/457 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40179ms problems are : Problem set: 0 solved, 457 unsolved
Search for dead transitions found 0 dead transitions in 40180ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40202 ms. Remains : 34/43 places, 464/490 transitions.
RANDOM walk for 40000 steps (1660 resets) in 303 ms. (131 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (158 resets) in 53 ms. (740 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1017053 steps, run timeout after 3001 ms. (steps per millisecond=338 ) properties seen :0 out of 1
Probabilistic random walk after 1017053 steps, saw 225465 distinct states, run finished after 3001 ms. (steps per millisecond=338 ) properties seen :0
[2026-05-25 01:06:43] [INFO ] Invariant cache hit.
[2026-05-25 01:06:43] [INFO ] State equation strengthened by 38 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/127 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/127 variables, 38/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/127 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 371/498 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/498 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/498 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 498/498 variables, and 72 constraints, problems are : Problem set: 0 solved, 1 unsolved in 146 ms.
Refiners :[State Equation: 34/34 constraints, ReadFeed: 38/38 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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/127 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/127 variables, 38/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/127 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 498/498 variables, and 72 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9067 ms.
Refiners :[State Equation: 34/34 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9237ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 4 out of 34 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 34/34 places, 464/464 transitions.
Applied a total of 0 rules in 4 ms. Remains 34 /34 variables (removed 0) and now considering 464/464 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 34/34 places, 464/464 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 34/34 places, 464/464 transitions.
Applied a total of 0 rules in 4 ms. Remains 34 /34 variables (removed 0) and now considering 464/464 (removed 0) transitions.
[2026-05-25 01:06:52] [INFO ] Invariant cache hit.
[2026-05-25 01:06:52] [INFO ] Implicit Places using invariants in 46 ms returned []
[2026-05-25 01:06:52] [INFO ] Invariant cache hit.
[2026-05-25 01:06:52] [INFO ] State equation strengthened by 38 read => feed constraints.
[2026-05-25 01:06:53] [INFO ] Implicit Places using invariants and state equation in 626 ms returned [33]
Discarding 1 places :
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Implicit Place search using SMT with State Equation took 687 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 33/34 places, 459/464 transitions.
Applied a total of 0 rules in 3 ms. Remains 33 /33 variables (removed 0) and now considering 459/459 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 694 ms. Remains : 33/34 places, 459/464 transitions.
RANDOM walk for 40000 steps (1371 resets) in 335 ms. (119 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (147 resets) in 45 ms. (869 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 971255 steps, run timeout after 3001 ms. (steps per millisecond=323 ) properties seen :0 out of 1
Probabilistic random walk after 971255 steps, saw 216408 distinct states, run finished after 3001 ms. (steps per millisecond=323 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4838581761352505955.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11942108790749518074.kers'
[2026-05-25 01:06:56] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4838581761352505955.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11942108790749518074.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 459 rows 33 cols 917 entries
Finished phase 1 with 33 SingleSign rule and 0 generalized
[2026-05-25 01:06:56] [INFO ] Computed 0 invariants in 3 ms
Computed 0 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-11942108790749518074.kers
Total runtime 4 ms.
[2026-05-25 01:06:56] [INFO ] State equation strengthened by 38 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/127 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/127 variables, 38/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/127 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 365/492 variables, 29/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/492 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/492 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 492/492 variables, and 71 constraints, problems are : Problem set: 0 solved, 1 unsolved in 126 ms.
Refiners :[State Equation: 33/33 constraints, ReadFeed: 38/38 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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/127 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/127 variables, 38/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/127 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 492/492 variables, and 71 constraints, problems are : Problem set: 0 solved, 1 unsolved in 15078 ms.
Refiners :[State Equation: 33/33 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 15219ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 4 out of 33 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 33/33 places, 459/459 transitions.
Applied a total of 0 rules in 10 ms. Remains 33 /33 variables (removed 0) and now considering 459/459 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 33/33 places, 459/459 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 33/33 places, 459/459 transitions.
Applied a total of 0 rules in 4 ms. Remains 33 /33 variables (removed 0) and now considering 459/459 (removed 0) transitions.
[2026-05-25 01:07:11] [INFO ] Invariant cache hit.
[2026-05-25 01:07:11] [INFO ] Implicit Places using invariants in 43 ms returned []
[2026-05-25 01:07:11] [INFO ] Invariant cache hit.
[2026-05-25 01:07:11] [INFO ] State equation strengthened by 38 read => feed constraints.
[2026-05-25 01:07:12] [INFO ] Implicit Places using invariants and state equation in 645 ms returned []
Implicit Place search using SMT with State Equation took 691 ms to find 0 implicit places.
[2026-05-25 01:07:12] [INFO ] Redundant transitions in 8 ms returned []
Running 452 sub problems to find dead transitions.
[2026-05-25 01:07:12] [INFO ] Invariant cache hit.
[2026-05-25 01:07:12] [INFO ] State equation strengthened by 38 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 459/490 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/490 variables, 38/69 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/490 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 4 (OVERLAPS) 2/492 variables, 2/71 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/492 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 6 (OVERLAPS) 0/492 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 452 unsolved
No progress, stopping.
After SMT solving in domain Real declared 492/492 variables, and 71 constraints, problems are : Problem set: 0 solved, 452 unsolved in 22718 ms.
Refiners :[State Equation: 33/33 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 452/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 452 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 459/490 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/490 variables, 38/69 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/490 variables, 452/521 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/490 variables, 0/521 constraints. Problems are: Problem set: 0 solved, 452 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 492/492 variables, and 523 constraints, problems are : Problem set: 0 solved, 452 unsolved in 30013 ms.
Refiners :[State Equation: 33/33 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 452/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 52851ms problems are : Problem set: 0 solved, 452 unsolved
Search for dead transitions found 0 dead transitions in 52853ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 53563 ms. Remains : 33/33 places, 459/459 transitions.
Knowledge based reduction with 3 factoid took 93 ms. Reduced automaton from 5 states, 5 edges and 2 AP (stutter sensitive) to 5 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 157 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0)]
Knowledge-based reduction took 127129 ms.
Stuttering acceptance computed with spot in 152 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0)]
Stuttering acceptance computed with spot in 161 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0)]
Product exploration explored 100000 steps with 32580 reset in 241 ms.
Product exploration explored 100000 steps with 32564 reset in 253 ms.
Spot run failed in 74 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/ltsmin10986522897375086658
[2026-05-25 01:08:06] [INFO ] Built C files in 24ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin10986522897375086658
Running compilation step : cd /tmp/ltsmin10986522897375086658;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 857 ms.
Running link step : cd /tmp/ltsmin10986522897375086658;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 47 ms.
Running LTSmin : cd /tmp/ltsmin10986522897375086658;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--hoa' '/tmp/stateBased11452248465566307842.hoa' '--buchi-type=spotba'
LTSmin run took 47 ms.
FORMULA DNAwalker-PT-16redondantChoiceR-LTLFireability-09 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property DNAwalker-PT-16redondantChoiceR-LTLFireability-09 finished in 299756 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((X(X(F(X(X(X((X(p0) U p1)))))))&&F(p2))))'
Support contains 4 out of 43 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 43/43 places, 490/490 transitions.
Applied a total of 0 rules in 1 ms. Remains 43 /43 variables (removed 0) and now considering 490/490 (removed 0) transitions.
Running 466 sub problems to find dead transitions.
[2026-05-25 01:08:07] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-319184190086271437.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8921152391445791466.kers'
[2026-05-25 01:08:07] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-319184190086271437.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8921152391445791466.kers]
Normalized transition count is 488 out of 489 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 488 rows 43 cols 966 entries
Finished phase 1 with 43 SingleSign rule and 0 generalized
[2026-05-25 01:08:07] [INFO ] Computed 0 invariants in 1 ms
Computed 0 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-8921152391445791466.kers
Total runtime 2 ms.
[2026-05-25 01:08:07] [INFO ] State equation strengthened by 161 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 1 (OVERLAPS) 478/511 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/511 variables, 160/193 constraints. Problems are: Problem set: 0 solved, 466 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/511 variables, 0/193 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 4 (OVERLAPS) 20/531 variables, 10/203 constraints. Problems are: Problem set: 0 solved, 466 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 531/532 variables, and 203 constraints, problems are : Problem set: 0 solved, 466 unsolved in 20013 ms.
Refiners :[State Equation: 43/43 constraints, ReadFeed: 160/161 constraints, PredecessorRefiner: 466/466 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 466 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 1 (OVERLAPS) 478/511 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/511 variables, 160/193 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/511 variables, 466/659 constraints. Problems are: Problem set: 0 solved, 466 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 511/532 variables, and 659 constraints, problems are : Problem set: 0 solved, 466 unsolved in 20037 ms.
Refiners :[State Equation: 33/43 constraints, ReadFeed: 160/161 constraints, PredecessorRefiner: 466/466 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40179ms problems are : Problem set: 0 solved, 466 unsolved
Search for dead transitions found 0 dead transitions in 40180ms
[2026-05-25 01:08:47] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2026-05-25 01:08:47] [INFO ] Invariant cache hit.
[2026-05-25 01:08:47] [INFO ] Implicit Places using invariants in 36 ms returned []
[2026-05-25 01:08:47] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2026-05-25 01:08:47] [INFO ] Invariant cache hit.
[2026-05-25 01:08:47] [INFO ] State equation strengthened by 161 read => feed constraints.
[2026-05-25 01:08:48] [INFO ] Implicit Places using invariants and state equation in 1037 ms returned []
Implicit Place search using SMT with State Equation took 1118 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 41302 ms. Remains : 43/43 places, 490/490 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((X(X(F(X(X(X((X(p0) U p1)))))))&&F(p2))))'
Stuttering acceptance computed with spot in 237 ms :[(OR (NOT p1) (NOT p2)), (NOT p2), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Running random walk in product with property : DNAwalker-PT-16redondantChoiceR-LTLFireability-10
Stuttering criterion allowed to conclude after 24 steps with 1 reset in 0 ms.
FORMULA DNAwalker-PT-16redondantChoiceR-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DNAwalker-PT-16redondantChoiceR-LTLFireability-10 finished in 41571 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F((p0||G(F(p1)))) U X((G(F(p2)) U p3))))'
Support contains 7 out of 43 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 43/43 places, 490/490 transitions.
Applied a total of 0 rules in 1 ms. Remains 43 /43 variables (removed 0) and now considering 490/490 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 01:08:49] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2026-05-25 01:08:49] [INFO ] Invariant cache hit.
[2026-05-25 01:08:49] [INFO ] Implicit Places using invariants in 49 ms returned []
[2026-05-25 01:08:49] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2026-05-25 01:08:49] [INFO ] Invariant cache hit.
[2026-05-25 01:08:49] [INFO ] State equation strengthened by 161 read => feed constraints.
[2026-05-25 01:08:50] [INFO ] Implicit Places using invariants and state equation in 935 ms returned []
Implicit Place search using SMT with State Equation took 1008 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1010 ms. Remains : 43/43 places, 490/490 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F((G(F(p0))||p1)) U X((G(F(p2)) U p3))))'
Stuttering acceptance computed with spot in 172 ms :[(NOT p3), (AND (NOT p1) (NOT p0) (NOT p3) (NOT p2)), (NOT p3), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p0) (NOT p2))]
Running random walk in product with property : DNAwalker-PT-16redondantChoiceR-LTLFireability-11
Stuttering criterion allowed to conclude after 127 steps with 7 reset in 1 ms.
FORMULA DNAwalker-PT-16redondantChoiceR-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DNAwalker-PT-16redondantChoiceR-LTLFireability-11 finished in 1238 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((X(X(X(p0)))&&(p1||F(p2))) U X(G(!p3)))))'
Support contains 8 out of 43 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 43/43 places, 490/490 transitions.
Applied a total of 0 rules in 1 ms. Remains 43 /43 variables (removed 0) and now considering 490/490 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 01:08:50] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2026-05-25 01:08:50] [INFO ] Invariant cache hit.
[2026-05-25 01:08:50] [INFO ] Implicit Places using invariants in 41 ms returned []
[2026-05-25 01:08:50] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2026-05-25 01:08:50] [INFO ] Invariant cache hit.
[2026-05-25 01:08:50] [INFO ] State equation strengthened by 161 read => feed constraints.
[2026-05-25 01:08:51] [INFO ] Implicit Places using invariants and state equation in 895 ms returned []
Implicit Place search using SMT with State Equation took 951 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 953 ms. Remains : 43/43 places, 490/490 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(p0)))&&(F(p1)||p2)) U X(G(!p3)))))'
Stuttering acceptance computed with spot in 344 ms :[p3, p3, (AND (NOT p0) p3), (AND (NOT p1) p3), (NOT p0), (AND (NOT p0) p3), (NOT p0), true, (NOT p1), (AND p3 (NOT p0)), (AND p3 p0)]
Running random walk in product with property : DNAwalker-PT-16redondantChoiceR-LTLFireability-12
Entered a terminal (fully accepting) state of product in 99533 steps with 19924 reset in 371 ms.
FORMULA DNAwalker-PT-16redondantChoiceR-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DNAwalker-PT-16redondantChoiceR-LTLFireability-12 finished in 1712 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((!p0 U X((F(p1)||(!p2 U (p3||G(!p2)))))))'
Support contains 6 out of 43 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 43/43 places, 490/490 transitions.
Applied a total of 0 rules in 1 ms. Remains 43 /43 variables (removed 0) and now considering 490/490 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 01:08:51] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2026-05-25 01:08:51] [INFO ] Invariant cache hit.
[2026-05-25 01:08:52] [INFO ] Implicit Places using invariants in 465 ms returned []
[2026-05-25 01:08:52] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2026-05-25 01:08:52] [INFO ] Invariant cache hit.
[2026-05-25 01:08:52] [INFO ] State equation strengthened by 161 read => feed constraints.
[2026-05-25 01:08:53] [INFO ] Implicit Places using invariants and state equation in 926 ms returned []
Implicit Place search using SMT with State Equation took 1393 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1395 ms. Remains : 43/43 places, 490/490 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((!p0 U X((F(p1)||(!p2 U (p3||G(!p2)))))))'
Stuttering acceptance computed with spot in 143 ms :[(AND (NOT p1) p2 (NOT p3)), (AND (NOT p1) (NOT p3) p2), (AND (NOT p1) p2 (NOT p3)), (NOT p1)]
Running random walk in product with property : DNAwalker-PT-16redondantChoiceR-LTLFireability-13
Product exploration explored 100000 steps with 50000 reset in 243 ms.
Product exploration explored 100000 steps with 50000 reset in 288 ms.
Computed a total of 43 stabilizing places and 488 stable transitions
Computed a total of 43 stabilizing places and 488 stable transitions
Detected a total of 43/43 stabilizing places and 488/490 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 4/4 atomic propositions.
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 23 factoid took 25 ms. Proved property starting from automaton with 4 states, 8 edges and 4 AP (stutter sensitive
Knowledge-based reduction took 33 ms.
FORMULA DNAwalker-PT-16redondantChoiceR-LTLFireability-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property DNAwalker-PT-16redondantChoiceR-LTLFireability-13 finished in 2127 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((F(p0)&&(G(p1) U X(!p2))))))'
Support contains 6 out of 43 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 43/43 places, 490/490 transitions.
Applied a total of 0 rules in 1 ms. Remains 43 /43 variables (removed 0) and now considering 490/490 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 01:08:54] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2026-05-25 01:08:54] [INFO ] Invariant cache hit.
[2026-05-25 01:08:54] [INFO ] Implicit Places using invariants in 43 ms returned []
[2026-05-25 01:08:54] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2026-05-25 01:08:54] [INFO ] Invariant cache hit.
[2026-05-25 01:08:54] [INFO ] State equation strengthened by 161 read => feed constraints.
[2026-05-25 01:08:55] [INFO ] Implicit Places using invariants and state equation in 905 ms returned []
Implicit Place search using SMT with State Equation took 964 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 967 ms. Remains : 43/43 places, 490/490 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((F(p0)&&(G(p1) U X(!p2))))))'
Stuttering acceptance computed with spot in 231 ms :[(OR (NOT p0) p2), (OR (NOT p0) p2), (OR (NOT p0) p2), p2, (NOT p0), p2, true, (NOT p1)]
Running random walk in product with property : DNAwalker-PT-16redondantChoiceR-LTLFireability-14
Stuttering criterion allowed to conclude after 17 steps with 0 reset in 0 ms.
FORMULA DNAwalker-PT-16redondantChoiceR-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DNAwalker-PT-16redondantChoiceR-LTLFireability-14 finished in 1264 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((G((F(G(p1))&&p0)) U (F(p2) U X(p1)))))'
Support contains 6 out of 43 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 43/43 places, 490/490 transitions.
Applied a total of 0 rules in 3 ms. Remains 43 /43 variables (removed 0) and now considering 490/490 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 01:08:55] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2026-05-25 01:08:55] [INFO ] Invariant cache hit.
[2026-05-25 01:08:55] [INFO ] Implicit Places using invariants in 38 ms returned []
[2026-05-25 01:08:55] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2026-05-25 01:08:55] [INFO ] Invariant cache hit.
[2026-05-25 01:08:55] [INFO ] State equation strengthened by 161 read => feed constraints.
[2026-05-25 01:08:56] [INFO ] Implicit Places using invariants and state equation in 863 ms returned []
Implicit Place search using SMT with State Equation took 930 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 935 ms. Remains : 43/43 places, 490/490 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((F(G(p1))&&p0)) U (F(p2) U X(p1)))))'
Stuttering acceptance computed with spot in 245 ms :[(NOT p1), (AND (NOT p2) (NOT p1)), (NOT p1), (AND (NOT p1) (NOT p2)), (NOT p1), (NOT p2), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p0))]
Running random walk in product with property : DNAwalker-PT-16redondantChoiceR-LTLFireability-15
Stuttering criterion allowed to conclude after 27 steps with 0 reset in 0 ms.
FORMULA DNAwalker-PT-16redondantChoiceR-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DNAwalker-PT-16redondantChoiceR-LTLFireability-15 finished in 1220 ms.
All properties solved by simple procedures.
Total runtime 565553 ms.
BK_STOP 1779671336622
--------------------
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="DNAwalker-PT-16redondantChoiceR"
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 DNAwalker-PT-16redondantChoiceR, 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 r098-tall-177955695800836"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DNAwalker-PT-16redondantChoiceR.tgz
mv DNAwalker-PT-16redondantChoiceR execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;