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-177955695800788.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
....................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is DNAwalker-PT-04track28LL, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r098-tall-177955695800788
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 576K
-rw-r--r-- 1 mcc users 6.9K Mar 6 15:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 73K Mar 6 15:58 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.8K Mar 6 15:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 64K Mar 6 15:58 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 3.7K Mar 15 09:33 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 09:33 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 09:33 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 09:33 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 6 15:58 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 118K Mar 6 15:58 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.3K Mar 6 15:58 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 76K Mar 6 15:58 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 09:33 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 09:33 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 12 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 108K 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-04track28LL-LTLFireability-00
FORMULA_NAME DNAwalker-PT-04track28LL-LTLFireability-01
FORMULA_NAME DNAwalker-PT-04track28LL-LTLFireability-02
FORMULA_NAME DNAwalker-PT-04track28LL-LTLFireability-03
FORMULA_NAME DNAwalker-PT-04track28LL-LTLFireability-04
FORMULA_NAME DNAwalker-PT-04track28LL-LTLFireability-05
FORMULA_NAME DNAwalker-PT-04track28LL-LTLFireability-06
FORMULA_NAME DNAwalker-PT-04track28LL-LTLFireability-07
FORMULA_NAME DNAwalker-PT-04track28LL-LTLFireability-08
FORMULA_NAME DNAwalker-PT-04track28LL-LTLFireability-09
FORMULA_NAME DNAwalker-PT-04track28LL-LTLFireability-10
FORMULA_NAME DNAwalker-PT-04track28LL-LTLFireability-11
FORMULA_NAME DNAwalker-PT-04track28LL-LTLFireability-12
FORMULA_NAME DNAwalker-PT-04track28LL-LTLFireability-13
FORMULA_NAME DNAwalker-PT-04track28LL-LTLFireability-14
FORMULA_NAME DNAwalker-PT-04track28LL-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779665746556

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-04track28LL
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-24 23:35:47] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-24 23:35:47] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 23:35:47] [INFO ] Load time of PNML (sax parser for PT used): 78 ms
[2026-05-24 23:35:47] [INFO ] Transformed 34 places.
[2026-05-24 23:35:47] [INFO ] Transformed 250 transitions.
[2026-05-24 23:35:47] [INFO ] Parsed PT model containing 34 places and 250 transitions and 728 arcs in 162 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 6 formulas.
FORMULA DNAwalker-PT-04track28LL-LTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DNAwalker-PT-04track28LL-LTLFireability-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DNAwalker-PT-04track28LL-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DNAwalker-PT-04track28LL-LTLFireability-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DNAwalker-PT-04track28LL-LTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DNAwalker-PT-04track28LL-LTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 27 out of 34 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 34/34 places, 250/250 transitions.
Applied a total of 0 rules in 9 ms. Remains 34 /34 variables (removed 0) and now considering 250/250 (removed 0) transitions.
Running 234 sub problems to find dead transitions.
[2026-05-24 23:35:48] [INFO ] Flow matrix only has 247 transitions (discarded 3 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7045972473631132248.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1686442590273396173.kers'
[2026-05-24 23:35:48] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7045972473631132248.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1686442590273396173.kers]
Normalized transition count is 246 out of 247 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 246 rows 34 cols 486 entries
Finished phase 1 with 34 SingleSign rule and 0 generalized
[2026-05-24 23:35:48] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-1686442590273396173.kers
Total runtime 1 ms.
[2026-05-24 23:35:48] [INFO ] State equation strengthened by 54 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (OVERLAPS) 240/268 variables, 28/28 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/268 variables, 53/81 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/268 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (OVERLAPS) 12/280 variables, 6/87 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/280 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 6 (OVERLAPS) 1/281 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 234 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 281/281 variables, and 88 constraints, problems are : Problem set: 0 solved, 234 unsolved in 20053 ms.
Refiners :[State Equation: 34/34 constraints, ReadFeed: 54/54 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 234 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (OVERLAPS) 240/268 variables, 28/28 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/268 variables, 53/81 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/268 variables, 234/315 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/268 variables, 0/315 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (OVERLAPS) 12/280 variables, 6/321 constraints. Problems are: Problem set: 0 solved, 234 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 280/281 variables, and 321 constraints, problems are : Problem set: 0 solved, 234 unsolved in 20018 ms.
Refiners :[State Equation: 34/34 constraints, ReadFeed: 53/54 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40255ms problems are : Problem set: 0 solved, 234 unsolved
Search for dead transitions found 0 dead transitions in 40278ms
[2026-05-24 23:36:28] [INFO ] Flow matrix only has 247 transitions (discarded 3 similar events)
[2026-05-24 23:36:28] [INFO ] Invariant cache hit.
[2026-05-24 23:36:28] [INFO ] Implicit Places using invariants in 38 ms returned []
[2026-05-24 23:36:28] [INFO ] Flow matrix only has 247 transitions (discarded 3 similar events)
[2026-05-24 23:36:28] [INFO ] Invariant cache hit.
[2026-05-24 23:36:28] [INFO ] State equation strengthened by 54 read => feed constraints.
[2026-05-24 23:36:28] [INFO ] Implicit Places using invariants and state equation in 150 ms returned []
Implicit Place search using SMT with State Equation took 193 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 40550 ms. Remains : 34/34 places, 250/250 transitions.
Starting structural reductions in LTL mode, iteration 0 : 34/34 places, 250/250 transitions.
Applied a total of 0 rules in 3 ms. Remains 34 /34 variables (removed 0) and now considering 250/250 (removed 0) transitions.
Skipped dead transition search.
[2026-05-24 23:36:28] [INFO ] Flow matrix only has 247 transitions (discarded 3 similar events)
[2026-05-24 23:36:28] [INFO ] Invariant cache hit.
[2026-05-24 23:36:28] [INFO ] Implicit Places using invariants in 25 ms returned []
[2026-05-24 23:36:28] [INFO ] Flow matrix only has 247 transitions (discarded 3 similar events)
[2026-05-24 23:36:28] [INFO ] Invariant cache hit.
[2026-05-24 23:36:28] [INFO ] State equation strengthened by 54 read => feed constraints.
[2026-05-24 23:36:28] [INFO ] Implicit Places using invariants and state equation in 144 ms returned []
Implicit Place search using SMT with State Equation took 171 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 175 ms. Remains : 34/34 places, 250/250 transitions.
Support contains 27 out of 34 places after structural reductions.
[2026-05-24 23:36:28] [INFO ] Flatten gal took : 36 ms
[2026-05-24 23:36:28] [INFO ] Flatten gal took : 22 ms
[2026-05-24 23:36:29] [INFO ] Input system was already deterministic with 250 transitions.
Reduction of identical properties reduced properties to check from 25 to 24
RANDOM walk for 40000 steps (2563 resets) in 1203 ms. (33 steps per ms) remains 1/24 properties
BEST_FIRST walk for 40003 steps (242 resets) in 215 ms. (185 steps per ms) remains 1/1 properties
[2026-05-24 23:36:29] [INFO ] Flow matrix only has 247 transitions (discarded 3 similar events)
[2026-05-24 23:36:29] [INFO ] Invariant cache hit.
[2026-05-24 23:36:29] [INFO ] State equation strengthened by 54 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 59/62 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 12/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/62 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 138/200 variables, 14/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/200 variables, 18/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/200 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 71/271 variables, 12/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/271 variables, 23/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/271 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 9/280 variables, 5/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/280 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1/281 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/281 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/281 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 281/281 variables, and 88 constraints, problems are : Problem set: 0 solved, 1 unsolved in 201 ms.
Refiners :[State Equation: 34/34 constraints, ReadFeed: 54/54 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) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 59/62 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 12/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/62 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 138/200 variables, 14/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/200 variables, 18/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/200 variables, 1/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/200 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 71/271 variables, 12/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/271 variables, 23/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/271 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 280/281 variables, and 88 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1099 ms.
Refiners :[State Equation: 34/34 constraints, ReadFeed: 53/54 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1306ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 3 out of 34 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 34/34 places, 250/250 transitions.
Graph (complete) has 240 edges and 34 vertex of which 30 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.1 ms
Discarding 4 places :
Also discarding 4 output transitions
Drop transitions (Output transitions of discarded places.) removed 4 transitions
Drop transitions (Empty/Sink Transition effects.) removed 30 transitions
Reduce isomorphic transitions removed 30 transitions.
Iterating post reduction 0 with 30 rules applied. Total rules applied 31 place count 30 transition count 216
Reduce places removed 5 places and 5 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 36 place count 25 transition count 211
Applied a total of 36 rules in 25 ms. Remains 25 /34 variables (removed 9) and now considering 211/250 (removed 39) transitions.
Running 205 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-2302133853620486656.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17176267986009102087.kers'
[2026-05-24 23:36:30] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2302133853620486656.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17176267986009102087.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 211 rows 25 cols 422 entries
Finished phase 1 with 25 SingleSign rule and 0 generalized
[2026-05-24 23:36:30] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-17176267986009102087.kers
Total runtime 0 ms.
[2026-05-24 23:36:30] [INFO ] State equation strengthened by 12 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 211/235 variables, 24/24 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/235 variables, 12/36 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/235 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 4 (OVERLAPS) 1/236 variables, 1/37 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/236 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 6 (OVERLAPS) 0/236 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 236/236 variables, and 37 constraints, problems are : Problem set: 0 solved, 205 unsolved in 5223 ms.
Refiners :[State Equation: 25/25 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 211/235 variables, 24/24 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/235 variables, 12/36 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/235 variables, 205/241 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/235 variables, 0/241 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 5 (OVERLAPS) 1/236 variables, 1/242 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 236/236 variables, and 242 constraints, problems are : Problem set: 0 solved, 205 unsolved in 20021 ms.
Refiners :[State Equation: 25/25 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 25304ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 25305ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25331 ms. Remains : 25/34 places, 211/250 transitions.
RANDOM walk for 40000 steps (2019 resets) in 902 ms. (44 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (335 resets) in 90 ms. (439 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1832835 steps, run timeout after 3001 ms. (steps per millisecond=610 ) properties seen :0 out of 1
Probabilistic random walk after 1832835 steps, saw 451407 distinct states, run finished after 3007 ms. (steps per millisecond=609 ) properties seen :0
[2026-05-24 23:36:59] [INFO ] Invariant cache hit.
[2026-05-24 23:36:59] [INFO ] State equation strengthened by 12 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 59/62 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 12/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/62 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 124/186 variables, 14/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/186 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 49/235 variables, 7/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/235 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/236 variables, 1/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/236 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 236/236 variables, and 37 constraints, problems are : Problem set: 0 solved, 1 unsolved in 79 ms.
Refiners :[State Equation: 25/25 constraints, ReadFeed: 12/12 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) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 59/62 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 12/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/62 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 124/186 variables, 14/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/186 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/186 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 49/235 variables, 7/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/235 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 236/236 variables, and 38 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9099 ms.
Refiners :[State Equation: 25/25 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9182ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 3 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 211/211 transitions.
Applied a total of 0 rules in 14 ms. Remains 25 /25 variables (removed 0) and now considering 211/211 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 25/25 places, 211/211 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 211/211 transitions.
Applied a total of 0 rules in 5 ms. Remains 25 /25 variables (removed 0) and now considering 211/211 (removed 0) transitions.
[2026-05-24 23:37:08] [INFO ] Invariant cache hit.
[2026-05-24 23:37:08] [INFO ] Implicit Places using invariants in 40 ms returned []
[2026-05-24 23:37:08] [INFO ] Invariant cache hit.
[2026-05-24 23:37:08] [INFO ] State equation strengthened by 12 read => feed constraints.
[2026-05-24 23:37:08] [INFO ] Implicit Places using invariants and state equation in 297 ms returned []
Implicit Place search using SMT with State Equation took 340 ms to find 0 implicit places.
[2026-05-24 23:37:09] [INFO ] Redundant transitions in 13 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 369 ms. Remains : 25/25 places, 211/211 transitions.
Computed a total of 34 stabilizing places and 246 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((((p0 U p1) U X(X(X(p2))))||((p4 U p0)&&p3))))'
Support contains 7 out of 34 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 34/34 places, 250/250 transitions.
Applied a total of 0 rules in 1 ms. Remains 34 /34 variables (removed 0) and now considering 250/250 (removed 0) transitions.
Running 234 sub problems to find dead transitions.
[2026-05-24 23:37:09] [INFO ] Flow matrix only has 247 transitions (discarded 3 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12485877885664832274.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9779634576365374153.kers'
[2026-05-24 23:37:09] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12485877885664832274.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9779634576365374153.kers]
Normalized transition count is 246 out of 247 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 246 rows 34 cols 486 entries
Finished phase 1 with 34 SingleSign rule and 0 generalized
[2026-05-24 23:37:09] [INFO ] Computed 0 invariants in 1 ms
Computed 0 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-9779634576365374153.kers
Total runtime 2 ms.
[2026-05-24 23:37:09] [INFO ] State equation strengthened by 54 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (OVERLAPS) 240/268 variables, 28/28 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/268 variables, 53/81 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/268 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (OVERLAPS) 12/280 variables, 6/87 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/280 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 6 (OVERLAPS) 1/281 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 234 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 281/281 variables, and 88 constraints, problems are : Problem set: 0 solved, 234 unsolved in 20014 ms.
Refiners :[State Equation: 34/34 constraints, ReadFeed: 54/54 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 234 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (OVERLAPS) 240/268 variables, 28/28 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/268 variables, 53/81 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/268 variables, 234/315 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/268 variables, 0/315 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (OVERLAPS) 12/280 variables, 6/321 constraints. Problems are: Problem set: 0 solved, 234 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 280/281 variables, and 321 constraints, problems are : Problem set: 0 solved, 234 unsolved in 20016 ms.
Refiners :[State Equation: 34/34 constraints, ReadFeed: 53/54 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40084ms problems are : Problem set: 0 solved, 234 unsolved
Search for dead transitions found 0 dead transitions in 40085ms
[2026-05-24 23:37:49] [INFO ] Flow matrix only has 247 transitions (discarded 3 similar events)
[2026-05-24 23:37:49] [INFO ] Invariant cache hit.
[2026-05-24 23:37:49] [INFO ] Implicit Places using invariants in 40 ms returned []
[2026-05-24 23:37:49] [INFO ] Flow matrix only has 247 transitions (discarded 3 similar events)
[2026-05-24 23:37:49] [INFO ] Invariant cache hit.
[2026-05-24 23:37:49] [INFO ] State equation strengthened by 54 read => feed constraints.
[2026-05-24 23:37:50] [INFO ] Implicit Places using invariants and state equation in 362 ms returned []
Implicit Place search using SMT with State Equation took 439 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 40527 ms. Remains : 34/34 places, 250/250 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((((p0 U p1) U X(X(X(p2))))||((p4 U p0)&&p3))))'
Stuttering acceptance computed with spot in 1290 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p2) (NOT p3))), (NOT p2), (AND (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p0) (NOT p2)), (NOT p2), (NOT p2), true, (AND (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (NOT p0), (NOT p1)]
Running random walk in product with property : DNAwalker-PT-04track28LL-LTLFireability-03
Entered a terminal (fully accepting) state of product in 5 steps with 0 reset in 3 ms.
FORMULA DNAwalker-PT-04track28LL-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DNAwalker-PT-04track28LL-LTLFireability-03 finished in 42029 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((F(p1)&&p0))&&((p2 U G(p3)) U X(X(p4)))))'
Support contains 8 out of 34 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 34/34 places, 250/250 transitions.
Applied a total of 0 rules in 1 ms. Remains 34 /34 variables (removed 0) and now considering 250/250 (removed 0) transitions.
Skipped dead transition search.
[2026-05-24 23:37:51] [INFO ] Flow matrix only has 247 transitions (discarded 3 similar events)
[2026-05-24 23:37:51] [INFO ] Invariant cache hit.
[2026-05-24 23:37:51] [INFO ] Implicit Places using invariants in 66 ms returned []
[2026-05-24 23:37:51] [INFO ] Flow matrix only has 247 transitions (discarded 3 similar events)
[2026-05-24 23:37:51] [INFO ] Invariant cache hit.
[2026-05-24 23:37:51] [INFO ] State equation strengthened by 54 read => feed constraints.
[2026-05-24 23:37:51] [INFO ] Implicit Places using invariants and state equation in 392 ms returned []
Implicit Place search using SMT with State Equation took 471 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 472 ms. Remains : 34/34 places, 250/250 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((F(p1)&&p0))&&((p2 U G(p3)) U X(X(p4)))))'
Stuttering acceptance computed with spot in 666 ms :[(OR (NOT p0) (NOT p4) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p4), (AND (NOT p3) (NOT p4)), (NOT p4), (AND (NOT p4) (NOT p3)), (NOT p1), (NOT p4), true, (AND (NOT p3) (NOT p4)), (AND (NOT p3) (NOT p4)), (NOT p4), (AND (NOT p3) (NOT p4)), (NOT p4), (AND (NOT p4) (NOT p3)), (NOT p3), (NOT p3)]
Running random walk in product with property : DNAwalker-PT-04track28LL-LTLFireability-05
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 1 ms.
FORMULA DNAwalker-PT-04track28LL-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DNAwalker-PT-04track28LL-LTLFireability-05 finished in 1213 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)&&F(G(!p1)))))'
Support contains 5 out of 34 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 34/34 places, 250/250 transitions.
Applied a total of 0 rules in 16 ms. Remains 34 /34 variables (removed 0) and now considering 250/250 (removed 0) transitions.
Skipped dead transition search.
[2026-05-24 23:37:52] [INFO ] Flow matrix only has 247 transitions (discarded 3 similar events)
[2026-05-24 23:37:52] [INFO ] Invariant cache hit.
[2026-05-24 23:37:52] [INFO ] Implicit Places using invariants in 33 ms returned []
[2026-05-24 23:37:52] [INFO ] Flow matrix only has 247 transitions (discarded 3 similar events)
[2026-05-24 23:37:52] [INFO ] Invariant cache hit.
[2026-05-24 23:37:52] [INFO ] State equation strengthened by 54 read => feed constraints.
[2026-05-24 23:37:53] [INFO ] Implicit Places using invariants and state equation in 340 ms returned []
Implicit Place search using SMT with State Equation took 380 ms to find 0 implicit places.
[2026-05-24 23:37:53] [INFO ] Redundant transitions in 17 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 421 ms. Remains : 34/34 places, 250/250 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)&&F(G(p1)))))'
Stuttering acceptance computed with spot in 148 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : DNAwalker-PT-04track28LL-LTLFireability-06
Stuttering criterion allowed to conclude after 14 steps with 0 reset in 1 ms.
FORMULA DNAwalker-PT-04track28LL-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DNAwalker-PT-04track28LL-LTLFireability-06 finished in 609 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 34 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 34/34 places, 250/250 transitions.
Applied a total of 0 rules in 11 ms. Remains 34 /34 variables (removed 0) and now considering 250/250 (removed 0) transitions.
Skipped dead transition search.
[2026-05-24 23:37:53] [INFO ] Flow matrix only has 247 transitions (discarded 3 similar events)
[2026-05-24 23:37:53] [INFO ] Invariant cache hit.
[2026-05-24 23:37:53] [INFO ] Implicit Places using invariants in 29 ms returned []
[2026-05-24 23:37:53] [INFO ] Flow matrix only has 247 transitions (discarded 3 similar events)
[2026-05-24 23:37:53] [INFO ] Invariant cache hit.
[2026-05-24 23:37:53] [INFO ] State equation strengthened by 54 read => feed constraints.
[2026-05-24 23:37:53] [INFO ] Implicit Places using invariants and state equation in 446 ms returned []
Implicit Place search using SMT with State Equation took 477 ms to find 0 implicit places.
[2026-05-24 23:37:53] [INFO ] Redundant transitions in 8 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 506 ms. Remains : 34/34 places, 250/250 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 40 ms :[(NOT p0)]
Running random walk in product with property : DNAwalker-PT-04track28LL-LTLFireability-08
Stuttering criterion allowed to conclude after 12 steps with 0 reset in 1 ms.
FORMULA DNAwalker-PT-04track28LL-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DNAwalker-PT-04track28LL-LTLFireability-08 finished in 580 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((p0&&X(F(p1)))))&&F(p2))))'
Support contains 5 out of 34 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 34/34 places, 250/250 transitions.
Applied a total of 0 rules in 3 ms. Remains 34 /34 variables (removed 0) and now considering 250/250 (removed 0) transitions.
Skipped dead transition search.
[2026-05-24 23:37:53] [INFO ] Flow matrix only has 247 transitions (discarded 3 similar events)
[2026-05-24 23:37:53] [INFO ] Invariant cache hit.
[2026-05-24 23:37:53] [INFO ] Implicit Places using invariants in 32 ms returned []
[2026-05-24 23:37:53] [INFO ] Flow matrix only has 247 transitions (discarded 3 similar events)
[2026-05-24 23:37:53] [INFO ] Invariant cache hit.
[2026-05-24 23:37:53] [INFO ] State equation strengthened by 54 read => feed constraints.
[2026-05-24 23:37:54] [INFO ] Implicit Places using invariants and state equation in 231 ms returned []
Implicit Place search using SMT with State Equation took 266 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 269 ms. Remains : 34/34 places, 250/250 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(X((p0&&X(F(p1)))))&&F(p2))))'
Stuttering acceptance computed with spot in 258 ms :[(OR (NOT p2) (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1) (NOT p2)), (OR (NOT p0) (NOT p1)), (NOT p2), (OR (NOT p0) (NOT p1)), true, (NOT p1)]
Running random walk in product with property : DNAwalker-PT-04track28LL-LTLFireability-09
Stuttering criterion allowed to conclude after 45 steps with 5 reset in 2 ms.
FORMULA DNAwalker-PT-04track28LL-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DNAwalker-PT-04track28LL-LTLFireability-09 finished in 568 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)&&F(p1))))'
Support contains 4 out of 34 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 34/34 places, 250/250 transitions.
Applied a total of 0 rules in 13 ms. Remains 34 /34 variables (removed 0) and now considering 250/250 (removed 0) transitions.
Skipped dead transition search.
[2026-05-24 23:37:54] [INFO ] Flow matrix only has 247 transitions (discarded 3 similar events)
[2026-05-24 23:37:54] [INFO ] Invariant cache hit.
[2026-05-24 23:37:54] [INFO ] Implicit Places using invariants in 30 ms returned []
[2026-05-24 23:37:54] [INFO ] Flow matrix only has 247 transitions (discarded 3 similar events)
[2026-05-24 23:37:54] [INFO ] Invariant cache hit.
[2026-05-24 23:37:54] [INFO ] State equation strengthened by 54 read => feed constraints.
[2026-05-24 23:37:54] [INFO ] Implicit Places using invariants and state equation in 337 ms returned []
Implicit Place search using SMT with State Equation took 369 ms to find 0 implicit places.
[2026-05-24 23:37:54] [INFO ] Redundant transitions in 8 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 396 ms. Remains : 34/34 places, 250/250 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)&&F(p1))))'
Stuttering acceptance computed with spot in 120 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : DNAwalker-PT-04track28LL-LTLFireability-10
Stuttering criterion allowed to conclude after 13 steps with 0 reset in 1 ms.
FORMULA DNAwalker-PT-04track28LL-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DNAwalker-PT-04track28LL-LTLFireability-10 finished in 552 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((G(p0)||(X(!p0) U ((!p1&&X(!p0))||X(G(!p0))))))))))'
Support contains 4 out of 34 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 34/34 places, 250/250 transitions.
Applied a total of 0 rules in 3 ms. Remains 34 /34 variables (removed 0) and now considering 250/250 (removed 0) transitions.
Skipped dead transition search.
[2026-05-24 23:37:54] [INFO ] Flow matrix only has 247 transitions (discarded 3 similar events)
[2026-05-24 23:37:54] [INFO ] Invariant cache hit.
[2026-05-24 23:37:54] [INFO ] Implicit Places using invariants in 33 ms returned []
[2026-05-24 23:37:54] [INFO ] Flow matrix only has 247 transitions (discarded 3 similar events)
[2026-05-24 23:37:54] [INFO ] Invariant cache hit.
[2026-05-24 23:37:55] [INFO ] State equation strengthened by 54 read => feed constraints.
[2026-05-24 23:37:55] [INFO ] Implicit Places using invariants and state equation in 355 ms returned []
Implicit Place search using SMT with State Equation took 389 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 396 ms. Remains : 34/34 places, 250/250 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((G(p0)||(X(!p0) U ((!p1&&X(!p0))||X(G(!p0))))))))))'
Stuttering acceptance computed with spot in 376 ms :[false, false, false, false, p0, p0, false, false, true, (NOT p0)]
Running random walk in product with property : DNAwalker-PT-04track28LL-LTLFireability-11
Entered a terminal (fully accepting) state of product in 10 steps with 0 reset in 1 ms.
FORMULA DNAwalker-PT-04track28LL-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DNAwalker-PT-04track28LL-LTLFireability-11 finished in 824 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((X(F(p1))&&p0))))'
Support contains 4 out of 34 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 34/34 places, 250/250 transitions.
Applied a total of 0 rules in 3 ms. Remains 34 /34 variables (removed 0) and now considering 250/250 (removed 0) transitions.
Skipped dead transition search.
[2026-05-24 23:37:55] [INFO ] Flow matrix only has 247 transitions (discarded 3 similar events)
[2026-05-24 23:37:55] [INFO ] Invariant cache hit.
[2026-05-24 23:37:55] [INFO ] Implicit Places using invariants in 31 ms returned []
[2026-05-24 23:37:55] [INFO ] Flow matrix only has 247 transitions (discarded 3 similar events)
[2026-05-24 23:37:55] [INFO ] Invariant cache hit.
[2026-05-24 23:37:55] [INFO ] State equation strengthened by 54 read => feed constraints.
[2026-05-24 23:37:56] [INFO ] Implicit Places using invariants and state equation in 455 ms returned []
Implicit Place search using SMT with State Equation took 489 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 493 ms. Remains : 34/34 places, 250/250 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((X(F(p1))&&p0))))'
Stuttering acceptance computed with spot in 179 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true, (OR (NOT p0) (NOT p1))]
Running random walk in product with property : DNAwalker-PT-04track28LL-LTLFireability-12
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA DNAwalker-PT-04track28LL-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DNAwalker-PT-04track28LL-LTLFireability-12 finished in 707 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0)||X(X((G(F(!p1))||(F(!p1)&&F(G(!p2)))))))))'
Support contains 5 out of 34 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 34/34 places, 250/250 transitions.
Applied a total of 0 rules in 3 ms. Remains 34 /34 variables (removed 0) and now considering 250/250 (removed 0) transitions.
Skipped dead transition search.
[2026-05-24 23:37:56] [INFO ] Flow matrix only has 247 transitions (discarded 3 similar events)
[2026-05-24 23:37:56] [INFO ] Invariant cache hit.
[2026-05-24 23:37:56] [INFO ] Implicit Places using invariants in 45 ms returned []
[2026-05-24 23:37:56] [INFO ] Flow matrix only has 247 transitions (discarded 3 similar events)
[2026-05-24 23:37:56] [INFO ] Invariant cache hit.
[2026-05-24 23:37:56] [INFO ] State equation strengthened by 54 read => feed constraints.
[2026-05-24 23:37:56] [INFO ] Implicit Places using invariants and state equation in 343 ms returned []
Implicit Place search using SMT with State Equation took 389 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 393 ms. Remains : 34/34 places, 250/250 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0)||X(X((G(F(p1))||(F(p1)&&F(G(p2)))))))))'
Stuttering acceptance computed with spot in 314 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1) (NOT p2))]
Running random walk in product with property : DNAwalker-PT-04track28LL-LTLFireability-13
Product exploration explored 100000 steps with 1 reset in 175 ms.
Product exploration explored 100000 steps with 0 reset in 125 ms.
Computed a total of 34 stabilizing places and 246 stable transitions
Computed a total of 34 stabilizing places and 246 stable transitions
Detected a total of 34/34 stabilizing places and 246/250 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 3/3 atomic propositions.
Knowledge based reduction with 6 factoid took 91 ms. Reduced automaton from 7 states, 10 edges and 3 AP (stutter sensitive) to 7 states, 10 edges and 3 AP (stutter sensitive).
RANDOM walk for 40000 steps (2566 resets) in 266 ms. (149 steps per ms) remains 1/6 properties
BEST_FIRST walk for 40003 steps (241 resets) in 214 ms. (186 steps per ms) remains 1/1 properties
[2026-05-24 23:37:57] [INFO ] Flow matrix only has 247 transitions (discarded 3 similar events)
[2026-05-24 23:37:57] [INFO ] Invariant cache hit.
[2026-05-24 23:37:57] [INFO ] State equation strengthened by 54 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 88/93 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 6/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/93 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 175/268 variables, 22/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/268 variables, 47/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/268 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 12/280 variables, 7/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/280 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1/281 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/281 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/281 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 281/281 variables, and 88 constraints, problems are : Problem set: 0 solved, 1 unsolved in 88 ms.
Refiners :[State Equation: 34/34 constraints, ReadFeed: 54/54 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) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 88/93 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 6/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/93 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 175/268 variables, 22/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/268 variables, 47/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/268 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/268 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 280/281 variables, and 88 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1107 ms.
Refiners :[State Equation: 34/34 constraints, ReadFeed: 53/54 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1204ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 5 out of 34 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 34/34 places, 250/250 transitions.
Graph (complete) has 240 edges and 34 vertex of which 33 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 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 0 with 16 rules applied. Total rules applied 17 place count 33 transition count 233
Reduce places removed 5 places and 5 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 22 place count 28 transition count 228
Applied a total of 22 rules in 20 ms. Remains 28 /34 variables (removed 6) and now considering 228/250 (removed 22) transitions.
Running 222 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-9500172513142943467.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12428587509835466457.kers'
[2026-05-24 23:37:59] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9500172513142943467.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12428587509835466457.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 228 rows 28 cols 456 entries
Finished phase 1 with 28 SingleSign rule and 0 generalized
[2026-05-24 23:37:59] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-12428587509835466457.kers
Total runtime 2 ms.
[2026-05-24 23:37:59] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 222 unsolved
At refinement iteration 1 (OVERLAPS) 228/255 variables, 27/27 constraints. Problems are: Problem set: 0 solved, 222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/255 variables, 6/33 constraints. Problems are: Problem set: 0 solved, 222 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/255 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 222 unsolved
At refinement iteration 4 (OVERLAPS) 1/256 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/256 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 222 unsolved
At refinement iteration 6 (OVERLAPS) 0/256 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 222 unsolved
No progress, stopping.
After SMT solving in domain Real declared 256/256 variables, and 34 constraints, problems are : Problem set: 0 solved, 222 unsolved in 6117 ms.
Refiners :[State Equation: 28/28 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 222/222 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 222 unsolved
At refinement iteration 1 (OVERLAPS) 228/255 variables, 27/27 constraints. Problems are: Problem set: 0 solved, 222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 255/256 variables, and 33 constraints, problems are : Problem set: 0 solved, 222 unsolved in 20028 ms.
Refiners :[State Equation: 27/28 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 0/222 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 26204ms problems are : Problem set: 0 solved, 222 unsolved
Search for dead transitions found 0 dead transitions in 26205ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26226 ms. Remains : 28/34 places, 228/250 transitions.
RANDOM walk for 40000 steps (3203 resets) in 197 ms. (202 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (452 resets) in 94 ms. (421 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1500169 steps, run timeout after 3001 ms. (steps per millisecond=499 ) properties seen :0 out of 1
Probabilistic random walk after 1500169 steps, saw 368581 distinct states, run finished after 3001 ms. (steps per millisecond=499 ) properties seen :0
[2026-05-24 23:38:28] [INFO ] Invariant cache hit.
[2026-05-24 23:38:28] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 88/93 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 6/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/93 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 162/255 variables, 22/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/255 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 1/256 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/256 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/256 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 256/256 variables, and 34 constraints, problems are : Problem set: 0 solved, 1 unsolved in 100 ms.
Refiners :[State Equation: 28/28 constraints, ReadFeed: 6/6 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) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 88/93 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 6/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/93 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 162/255 variables, 22/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/255 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/255 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 256/256 variables, and 35 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9094 ms.
Refiners :[State Equation: 28/28 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9200ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 5 out of 28 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 28/28 places, 228/228 transitions.
Applied a total of 0 rules in 8 ms. Remains 28 /28 variables (removed 0) and now considering 228/228 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 28/28 places, 228/228 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 28/28 places, 228/228 transitions.
Applied a total of 0 rules in 4 ms. Remains 28 /28 variables (removed 0) and now considering 228/228 (removed 0) transitions.
[2026-05-24 23:38:37] [INFO ] Invariant cache hit.
[2026-05-24 23:38:37] [INFO ] Implicit Places using invariants in 30 ms returned []
[2026-05-24 23:38:37] [INFO ] Invariant cache hit.
[2026-05-24 23:38:37] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-24 23:38:37] [INFO ] Implicit Places using invariants and state equation in 260 ms returned [16, 19, 27]
Discarding 3 places :
Drop transitions (Empty/Sink Transition effects.) removed 14 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 15 transitions.
Implicit Place search using SMT with State Equation took 301 ms to find 3 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 25/28 places, 213/228 transitions.
Applied a total of 0 rules in 6 ms. Remains 25 /25 variables (removed 0) and now considering 213/213 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 311 ms. Remains : 25/28 places, 213/228 transitions.
RANDOM walk for 40000 steps (2210 resets) in 159 ms. (250 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (364 resets) in 56 ms. (701 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1617132 steps, run timeout after 3001 ms. (steps per millisecond=538 ) properties seen :0 out of 1
Probabilistic random walk after 1617132 steps, saw 398169 distinct states, run finished after 3001 ms. (steps per millisecond=538 ) 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-2886392003345504608.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12338719937154865695.kers'
[2026-05-24 23:38:40] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2886392003345504608.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12338719937154865695.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 213 rows 25 cols 424 entries
Finished phase 1 with 25 SingleSign rule and 0 generalized
[2026-05-24 23:38:40] [INFO ] Computed 0 invariants in 1 ms
Computed 0 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-12338719937154865695.kers
Total runtime 3 ms.
[2026-05-24 23:38:40] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 87/92 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/92 variables, 6/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/92 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 145/237 variables, 19/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/237 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 1/238 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/238 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/238 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 238/238 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 91 ms.
Refiners :[State Equation: 25/25 constraints, ReadFeed: 6/6 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) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 87/92 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/92 variables, 6/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/92 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 145/237 variables, 19/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/237 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/237 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 238/238 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 15095 ms.
Refiners :[State Equation: 25/25 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 15198ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 5 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 213/213 transitions.
Applied a total of 0 rules in 8 ms. Remains 25 /25 variables (removed 0) and now considering 213/213 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 25/25 places, 213/213 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 213/213 transitions.
Applied a total of 0 rules in 5 ms. Remains 25 /25 variables (removed 0) and now considering 213/213 (removed 0) transitions.
[2026-05-24 23:38:56] [INFO ] Invariant cache hit.
[2026-05-24 23:38:56] [INFO ] Implicit Places using invariants in 30 ms returned []
[2026-05-24 23:38:56] [INFO ] Invariant cache hit.
[2026-05-24 23:38:56] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-24 23:38:56] [INFO ] Implicit Places using invariants and state equation in 221 ms returned []
Implicit Place search using SMT with State Equation took 252 ms to find 0 implicit places.
[2026-05-24 23:38:56] [INFO ] Redundant transitions in 3 ms returned []
Running 207 sub problems to find dead transitions.
[2026-05-24 23:38:56] [INFO ] Invariant cache hit.
[2026-05-24 23:38:56] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 1 (OVERLAPS) 213/237 variables, 24/24 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/237 variables, 6/30 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/237 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 4 (OVERLAPS) 1/238 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 6 (OVERLAPS) 0/238 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 207 unsolved
No progress, stopping.
After SMT solving in domain Real declared 238/238 variables, and 31 constraints, problems are : Problem set: 0 solved, 207 unsolved in 5282 ms.
Refiners :[State Equation: 25/25 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 207/207 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 207 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 1 (OVERLAPS) 213/237 variables, 24/24 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/237 variables, 6/30 constraints. Problems are: Problem set: 0 solved, 207 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 237/238 variables, and 237 constraints, problems are : Problem set: 0 solved, 207 unsolved in 30030 ms.
Refiners :[State Equation: 24/25 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 207/207 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 35350ms problems are : Problem set: 0 solved, 207 unsolved
Search for dead transitions found 0 dead transitions in 35352ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35619 ms. Remains : 25/25 places, 213/213 transitions.
Knowledge based reduction with 6 factoid took 284 ms. Reduced automaton from 7 states, 10 edges and 3 AP (stutter sensitive) to 7 states, 10 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 245 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1) (NOT p2))]
Knowledge-based reduction took 94727 ms.
Stuttering acceptance computed with spot in 251 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1) (NOT p2))]
Support contains 5 out of 34 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 34/34 places, 250/250 transitions.
Applied a total of 0 rules in 1 ms. Remains 34 /34 variables (removed 0) and now considering 250/250 (removed 0) transitions.
Running 234 sub problems to find dead transitions.
[2026-05-24 23:39:32] [INFO ] Flow matrix only has 247 transitions (discarded 3 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13591711214478026216.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11292343124790954037.kers'
[2026-05-24 23:39:32] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13591711214478026216.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11292343124790954037.kers]
Normalized transition count is 246 out of 247 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 246 rows 34 cols 486 entries
Finished phase 1 with 34 SingleSign rule and 0 generalized
[2026-05-24 23:39:32] [INFO ] Computed 0 invariants in 1 ms
Computed 0 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-11292343124790954037.kers
Total runtime 1 ms.
[2026-05-24 23:39:32] [INFO ] State equation strengthened by 54 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (OVERLAPS) 240/268 variables, 28/28 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/268 variables, 53/81 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/268 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (OVERLAPS) 12/280 variables, 6/87 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/280 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 6 (OVERLAPS) 1/281 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 234 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 281/281 variables, and 88 constraints, problems are : Problem set: 0 solved, 234 unsolved in 20008 ms.
Refiners :[State Equation: 34/34 constraints, ReadFeed: 54/54 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 234 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (OVERLAPS) 240/268 variables, 28/28 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/268 variables, 53/81 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/268 variables, 234/315 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/268 variables, 0/315 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (OVERLAPS) 12/280 variables, 6/321 constraints. Problems are: Problem set: 0 solved, 234 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 280/281 variables, and 321 constraints, problems are : Problem set: 0 solved, 234 unsolved in 20015 ms.
Refiners :[State Equation: 34/34 constraints, ReadFeed: 53/54 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40087ms problems are : Problem set: 0 solved, 234 unsolved
Search for dead transitions found 0 dead transitions in 40088ms
[2026-05-24 23:40:12] [INFO ] Flow matrix only has 247 transitions (discarded 3 similar events)
[2026-05-24 23:40:12] [INFO ] Invariant cache hit.
[2026-05-24 23:40:12] [INFO ] Implicit Places using invariants in 35 ms returned []
[2026-05-24 23:40:12] [INFO ] Flow matrix only has 247 transitions (discarded 3 similar events)
[2026-05-24 23:40:12] [INFO ] Invariant cache hit.
[2026-05-24 23:40:12] [INFO ] State equation strengthened by 54 read => feed constraints.
[2026-05-24 23:40:12] [INFO ] Implicit Places using invariants and state equation in 340 ms returned []
Implicit Place search using SMT with State Equation took 385 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 40477 ms. Remains : 34/34 places, 250/250 transitions.
Computed a total of 34 stabilizing places and 246 stable transitions
Computed a total of 34 stabilizing places and 246 stable transitions
Detected a total of 34/34 stabilizing places and 246/250 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 3/3 atomic propositions.
Knowledge based reduction with 4 factoid took 76 ms. Reduced automaton from 7 states, 10 edges and 3 AP (stutter sensitive) to 7 states, 10 edges and 3 AP (stutter sensitive).
RANDOM walk for 40000 steps (2567 resets) in 345 ms. (115 steps per ms) remains 1/6 properties
BEST_FIRST walk for 40004 steps (247 resets) in 78 ms. (506 steps per ms) remains 1/1 properties
[2026-05-24 23:40:13] [INFO ] Flow matrix only has 247 transitions (discarded 3 similar events)
[2026-05-24 23:40:13] [INFO ] Invariant cache hit.
[2026-05-24 23:40:13] [INFO ] State equation strengthened by 54 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 88/93 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 6/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/93 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 175/268 variables, 22/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/268 variables, 47/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/268 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 12/280 variables, 7/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/280 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1/281 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/281 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/281 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 281/281 variables, and 88 constraints, problems are : Problem set: 0 solved, 1 unsolved in 112 ms.
Refiners :[State Equation: 34/34 constraints, ReadFeed: 54/54 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) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 88/93 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 6/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/93 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 175/268 variables, 22/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/268 variables, 47/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/268 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/268 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 280/281 variables, and 88 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1111 ms.
Refiners :[State Equation: 34/34 constraints, ReadFeed: 53/54 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1236ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 5 out of 34 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 34/34 places, 250/250 transitions.
Graph (complete) has 240 edges and 34 vertex of which 33 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 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 0 with 16 rules applied. Total rules applied 17 place count 33 transition count 233
Reduce places removed 5 places and 5 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 22 place count 28 transition count 228
Applied a total of 22 rules in 11 ms. Remains 28 /34 variables (removed 6) and now considering 228/250 (removed 22) transitions.
Running 222 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-9089917946844892088.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8550755852055063334.kers'
[2026-05-24 23:40:14] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9089917946844892088.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8550755852055063334.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 228 rows 28 cols 456 entries
Finished phase 1 with 28 SingleSign rule and 0 generalized
[2026-05-24 23:40:14] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-8550755852055063334.kers
Total runtime 1 ms.
[2026-05-24 23:40:14] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 222 unsolved
At refinement iteration 1 (OVERLAPS) 228/255 variables, 27/27 constraints. Problems are: Problem set: 0 solved, 222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/255 variables, 6/33 constraints. Problems are: Problem set: 0 solved, 222 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/255 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 222 unsolved
At refinement iteration 4 (OVERLAPS) 1/256 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/256 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 222 unsolved
At refinement iteration 6 (OVERLAPS) 0/256 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 222 unsolved
No progress, stopping.
After SMT solving in domain Real declared 256/256 variables, and 34 constraints, problems are : Problem set: 0 solved, 222 unsolved in 6268 ms.
Refiners :[State Equation: 28/28 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 222/222 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 222 unsolved
At refinement iteration 1 (OVERLAPS) 228/255 variables, 27/27 constraints. Problems are: Problem set: 0 solved, 222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 255/256 variables, and 33 constraints, problems are : Problem set: 0 solved, 222 unsolved in 20016 ms.
Refiners :[State Equation: 27/28 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 0/222 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 26354ms problems are : Problem set: 0 solved, 222 unsolved
Search for dead transitions found 0 dead transitions in 26355ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26367 ms. Remains : 28/34 places, 228/250 transitions.
RANDOM walk for 40000 steps (3233 resets) in 187 ms. (212 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (460 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1552965 steps, run timeout after 3001 ms. (steps per millisecond=517 ) properties seen :0 out of 1
Probabilistic random walk after 1552965 steps, saw 384346 distinct states, run finished after 3001 ms. (steps per millisecond=517 ) properties seen :0
[2026-05-24 23:40:43] [INFO ] Invariant cache hit.
[2026-05-24 23:40:43] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 88/93 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 6/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/93 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 162/255 variables, 22/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/255 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 1/256 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/256 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/256 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 256/256 variables, and 34 constraints, problems are : Problem set: 0 solved, 1 unsolved in 97 ms.
Refiners :[State Equation: 28/28 constraints, ReadFeed: 6/6 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) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 88/93 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 6/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/93 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 162/255 variables, 22/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/255 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/255 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 256/256 variables, and 35 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9079 ms.
Refiners :[State Equation: 28/28 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9185ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 5 out of 28 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 28/28 places, 228/228 transitions.
Applied a total of 0 rules in 11 ms. Remains 28 /28 variables (removed 0) and now considering 228/228 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 28/28 places, 228/228 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 28/28 places, 228/228 transitions.
Applied a total of 0 rules in 3 ms. Remains 28 /28 variables (removed 0) and now considering 228/228 (removed 0) transitions.
[2026-05-24 23:40:53] [INFO ] Invariant cache hit.
[2026-05-24 23:40:53] [INFO ] Implicit Places using invariants in 34 ms returned []
[2026-05-24 23:40:53] [INFO ] Invariant cache hit.
[2026-05-24 23:40:53] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-24 23:40:53] [INFO ] Implicit Places using invariants and state equation in 261 ms returned [16, 19, 27]
Discarding 3 places :
Drop transitions (Empty/Sink Transition effects.) removed 14 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 15 transitions.
Implicit Place search using SMT with State Equation took 300 ms to find 3 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 25/28 places, 213/228 transitions.
Applied a total of 0 rules in 6 ms. Remains 25 /25 variables (removed 0) and now considering 213/213 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 310 ms. Remains : 25/28 places, 213/228 transitions.
RANDOM walk for 40000 steps (2210 resets) in 136 ms. (291 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (372 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1610523 steps, run timeout after 3001 ms. (steps per millisecond=536 ) properties seen :0 out of 1
Probabilistic random walk after 1610523 steps, saw 396127 distinct states, run finished after 3001 ms. (steps per millisecond=536 ) 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-6176057372870266659.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10577755321282231211.kers'
[2026-05-24 23:40:56] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6176057372870266659.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10577755321282231211.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 213 rows 25 cols 424 entries
Finished phase 1 with 25 SingleSign rule and 0 generalized
[2026-05-24 23:40:56] [INFO ] Computed 0 invariants in 1 ms
Computed 0 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-10577755321282231211.kers
Total runtime 3 ms.
[2026-05-24 23:40:56] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 87/92 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/92 variables, 6/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/92 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 145/237 variables, 19/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/237 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 1/238 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/238 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/238 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 238/238 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 90 ms.
Refiners :[State Equation: 25/25 constraints, ReadFeed: 6/6 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) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 87/92 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/92 variables, 6/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/92 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 145/237 variables, 19/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/237 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/237 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 238/238 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 15079 ms.
Refiners :[State Equation: 25/25 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 15180ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 5 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 213/213 transitions.
Applied a total of 0 rules in 7 ms. Remains 25 /25 variables (removed 0) and now considering 213/213 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 25/25 places, 213/213 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 213/213 transitions.
Applied a total of 0 rules in 4 ms. Remains 25 /25 variables (removed 0) and now considering 213/213 (removed 0) transitions.
[2026-05-24 23:41:11] [INFO ] Invariant cache hit.
[2026-05-24 23:41:11] [INFO ] Implicit Places using invariants in 35 ms returned []
[2026-05-24 23:41:11] [INFO ] Invariant cache hit.
[2026-05-24 23:41:11] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-24 23:41:11] [INFO ] Implicit Places using invariants and state equation in 215 ms returned []
Implicit Place search using SMT with State Equation took 251 ms to find 0 implicit places.
[2026-05-24 23:41:11] [INFO ] Redundant transitions in 2 ms returned []
Running 207 sub problems to find dead transitions.
[2026-05-24 23:41:11] [INFO ] Invariant cache hit.
[2026-05-24 23:41:11] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 1 (OVERLAPS) 213/237 variables, 24/24 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/237 variables, 6/30 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/237 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 4 (OVERLAPS) 1/238 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 6 (OVERLAPS) 0/238 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 207 unsolved
No progress, stopping.
After SMT solving in domain Real declared 238/238 variables, and 31 constraints, problems are : Problem set: 0 solved, 207 unsolved in 5125 ms.
Refiners :[State Equation: 25/25 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 207/207 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 207 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 1 (OVERLAPS) 213/237 variables, 24/24 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/237 variables, 6/30 constraints. Problems are: Problem set: 0 solved, 207 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 237/238 variables, and 237 constraints, problems are : Problem set: 0 solved, 207 unsolved in 30042 ms.
Refiners :[State Equation: 24/25 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 207/207 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 35200ms problems are : Problem set: 0 solved, 207 unsolved
Search for dead transitions found 0 dead transitions in 35201ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35468 ms. Remains : 25/25 places, 213/213 transitions.
Knowledge based reduction with 4 factoid took 327 ms. Reduced automaton from 7 states, 10 edges and 3 AP (stutter sensitive) to 7 states, 10 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 311 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1) (NOT p2))]
Knowledge-based reduction took 94755 ms.
Stuttering acceptance computed with spot in 318 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 329 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1) (NOT p2))]
Product exploration explored 100000 steps with 0 reset in 193 ms.
Product exploration explored 100000 steps with 0 reset in 110 ms.
Spot run failed in 89 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/autstates.py", line 2, in
import spot
ModuleNotFoundError: No module named 'spot'
java.io.IOException
at fr.lip6.move.gal.application.runner.spot.SpotRunner.computeForwardClosedSI(SpotRunner.java:551)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.treatPartialPOR(LTLPropertySolver.java:419)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:280)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:217)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:66)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:849)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
Built C files in :
/tmp/ltsmin13890313409468428238
[2026-05-24 23:41:48] [INFO ] Built C files in 17ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin13890313409468428238
Running compilation step : cd /tmp/ltsmin13890313409468428238;'/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 464 ms.
Running link step : cd /tmp/ltsmin13890313409468428238;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 53 ms.
Running LTSmin : cd /tmp/ltsmin13890313409468428238;'/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/stateBased3017451575206067879.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 5 out of 34 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 34/34 places, 250/250 transitions.
Applied a total of 0 rules in 3 ms. Remains 34 /34 variables (removed 0) and now considering 250/250 (removed 0) transitions.
Running 234 sub problems to find dead transitions.
[2026-05-24 23:42:03] [INFO ] Flow matrix only has 247 transitions (discarded 3 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4901486924063171566.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9770680103324063255.kers'
[2026-05-24 23:42:03] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4901486924063171566.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9770680103324063255.kers]
Normalized transition count is 246 out of 247 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 246 rows 34 cols 486 entries
Finished phase 1 with 34 SingleSign rule and 0 generalized
[2026-05-24 23:42:03] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-9770680103324063255.kers
Total runtime 1 ms.
[2026-05-24 23:42:03] [INFO ] State equation strengthened by 54 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (OVERLAPS) 240/268 variables, 28/28 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/268 variables, 53/81 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/268 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (OVERLAPS) 12/280 variables, 6/87 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/280 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 6 (OVERLAPS) 1/281 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 234 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 281/281 variables, and 88 constraints, problems are : Problem set: 0 solved, 234 unsolved in 20018 ms.
Refiners :[State Equation: 34/34 constraints, ReadFeed: 54/54 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 234 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (OVERLAPS) 240/268 variables, 28/28 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/268 variables, 53/81 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/268 variables, 234/315 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/268 variables, 0/315 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (OVERLAPS) 12/280 variables, 6/321 constraints. Problems are: Problem set: 0 solved, 234 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 280/281 variables, and 321 constraints, problems are : Problem set: 0 solved, 234 unsolved in 20020 ms.
Refiners :[State Equation: 34/34 constraints, ReadFeed: 53/54 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40082ms problems are : Problem set: 0 solved, 234 unsolved
Search for dead transitions found 0 dead transitions in 40083ms
[2026-05-24 23:42:43] [INFO ] Flow matrix only has 247 transitions (discarded 3 similar events)
[2026-05-24 23:42:43] [INFO ] Invariant cache hit.
[2026-05-24 23:42:43] [INFO ] Implicit Places using invariants in 33 ms returned []
[2026-05-24 23:42:43] [INFO ] Flow matrix only has 247 transitions (discarded 3 similar events)
[2026-05-24 23:42:43] [INFO ] Invariant cache hit.
[2026-05-24 23:42:44] [INFO ] State equation strengthened by 54 read => feed constraints.
[2026-05-24 23:42:44] [INFO ] Implicit Places using invariants and state equation in 319 ms returned []
Implicit Place search using SMT with State Equation took 355 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 40445 ms. Remains : 34/34 places, 250/250 transitions.
Built C files in :
/tmp/ltsmin17097620174258135345
[2026-05-24 23:42:44] [INFO ] Built C files in 10ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin17097620174258135345
Running compilation step : cd /tmp/ltsmin17097620174258135345;'/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 372 ms.
Running link step : cd /tmp/ltsmin17097620174258135345;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 44 ms.
Running LTSmin : cd /tmp/ltsmin17097620174258135345;'/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/stateBased13240635615941478934.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2026-05-24 23:42:59] [INFO ] Flatten gal took : 10 ms
[2026-05-24 23:42:59] [INFO ] Flatten gal took : 9 ms
[2026-05-24 23:42:59] [INFO ] Time to serialize gal into /tmp/LTL756591444629866474.gal : 3 ms
[2026-05-24 23:42:59] [INFO ] Time to serialize properties into /tmp/LTL3095036082586576348.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL756591444629866474.gal' '-t' 'CGAL' '-hoa' '/tmp/aut45200688197889284.hoa' '-atoms' '/tmp/LTL3095036082586576348.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...314
Loading property file /tmp/LTL3095036082586576348.prop.
Loaded 3 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut45200688197889284.hoa
Reverse transition relation is NOT exact ! Due to transitions t0, t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11, t12, t13, t14, t15, t16, t18, t19, t20, t21...1354
Computing Next relation with stutter on 106288 deadlock states
31 unique states visited
0 strongly connected components in search stack
31 transitions explored
31 items max in DFS search stack
652 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,6.55723,204836,1,0,855,913762,525,387,2763,1.28082e+06,834
no accepting run found
Formula 0 is TRUE no accepting run found.
FORMULA DNAwalker-PT-04track28LL-LTLFireability-13 TRUE TECHNIQUES KNOWLEDGE HOA DECISION_DIAGRAMS TOPOLOGICAL
Treatment of property DNAwalker-PT-04track28LL-LTLFireability-13 finished in 310670 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0) U (p0||F(G(p1))))))'
Support contains 2 out of 34 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 34/34 places, 250/250 transitions.
Applied a total of 0 rules in 3 ms. Remains 34 /34 variables (removed 0) and now considering 250/250 (removed 0) transitions.
Skipped dead transition search.
[2026-05-24 23:43:07] [INFO ] Flow matrix only has 247 transitions (discarded 3 similar events)
[2026-05-24 23:43:07] [INFO ] Invariant cache hit.
[2026-05-24 23:43:07] [INFO ] Implicit Places using invariants in 38 ms returned []
[2026-05-24 23:43:07] [INFO ] Flow matrix only has 247 transitions (discarded 3 similar events)
[2026-05-24 23:43:07] [INFO ] Invariant cache hit.
[2026-05-24 23:43:07] [INFO ] State equation strengthened by 54 read => feed constraints.
[2026-05-24 23:43:07] [INFO ] Implicit Places using invariants and state equation in 506 ms returned []
Implicit Place search using SMT with State Equation took 560 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 567 ms. Remains : 34/34 places, 250/250 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0) U (p0||F(G(p1))))))'
Stuttering acceptance computed with spot in 67 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : DNAwalker-PT-04track28LL-LTLFireability-15
Product exploration explored 100000 steps with 10 reset in 99 ms.
Stuttering criterion allowed to conclude after 25 steps with 5 reset in 0 ms.
FORMULA DNAwalker-PT-04track28LL-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DNAwalker-PT-04track28LL-LTLFireability-15 finished in 785 ms.
All properties solved by simple procedures.
Total runtime 440214 ms.

BK_STOP 1779666187971

--------------------
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-04track28LL"
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-04track28LL, 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-177955695800788"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DNAwalker-PT-04track28LL.tgz
mv DNAwalker-PT-04track28LL execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

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