About the Execution of ITS-Tools for DES-PT-20b
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 13730.636 | 3600000.00 | 6086964.00 | 8314.30 | FFFT?FFFFF?FFFTF | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2026-input.r082-smll-177946993700388.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is DES-PT-20b, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r082-smll-177946993700388
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 540K
-rw-r--r-- 1 mcc users 8.0K Mar 6 18:24 CTLCardinality.txt
-rw-r--r-- 1 mcc users 92K Mar 6 18:24 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Mar 6 18:24 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K Mar 6 18:24 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.5K Mar 15 08:57 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 08:57 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 15 08:57 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 08:57 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.9K Mar 6 18:24 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 108K Mar 6 18:24 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.7K Mar 6 18:24 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 65K Mar 6 18:24 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Mar 15 08:57 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K Mar 15 08:57 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 91K 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 DES-PT-20b-LTLFireability-00
FORMULA_NAME DES-PT-20b-LTLFireability-01
FORMULA_NAME DES-PT-20b-LTLFireability-02
FORMULA_NAME DES-PT-20b-LTLFireability-03
FORMULA_NAME DES-PT-20b-LTLFireability-04
FORMULA_NAME DES-PT-20b-LTLFireability-05
FORMULA_NAME DES-PT-20b-LTLFireability-06
FORMULA_NAME DES-PT-20b-LTLFireability-07
FORMULA_NAME DES-PT-20b-LTLFireability-08
FORMULA_NAME DES-PT-20b-LTLFireability-09
FORMULA_NAME DES-PT-20b-LTLFireability-10
FORMULA_NAME DES-PT-20b-LTLFireability-11
FORMULA_NAME DES-PT-20b-LTLFireability-12
FORMULA_NAME DES-PT-20b-LTLFireability-13
FORMULA_NAME DES-PT-20b-LTLFireability-14
FORMULA_NAME DES-PT-20b-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1779691108766
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DES-PT-20b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-25 06:38:30] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-25 06:38:30] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 06:38:30] [INFO ] Load time of PNML (sax parser for PT used): 132 ms
[2026-05-25 06:38:31] [INFO ] Transformed 360 places.
[2026-05-25 06:38:31] [INFO ] Transformed 311 transitions.
[2026-05-25 06:38:31] [INFO ] Found NUPN structural information;
[2026-05-25 06:38:31] [INFO ] Parsed PT model containing 360 places and 311 transitions and 987 arcs in 292 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 15 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 5 formulas.
FORMULA DES-PT-20b-LTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DES-PT-20b-LTLFireability-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DES-PT-20b-LTLFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DES-PT-20b-LTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DES-PT-20b-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 33 out of 360 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 360/360 places, 311/311 transitions.
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 357 transition count 311
Discarding 23 places :
Symmetric choice reduction at 1 with 23 rule applications. Total rules 26 place count 334 transition count 288
Iterating global reduction 1 with 23 rules applied. Total rules applied 49 place count 334 transition count 288
Discarding 14 places :
Symmetric choice reduction at 1 with 14 rule applications. Total rules 63 place count 320 transition count 274
Iterating global reduction 1 with 14 rules applied. Total rules applied 77 place count 320 transition count 274
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 1 with 11 rules applied. Total rules applied 88 place count 320 transition count 263
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 89 place count 319 transition count 262
Iterating global reduction 2 with 1 rules applied. Total rules applied 90 place count 319 transition count 262
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 91 place count 319 transition count 261
Applied a total of 91 rules in 162 ms. Remains 319 /360 variables (removed 41) and now considering 261/311 (removed 50) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-208227503439063418.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9548076219604961165.kers'
[2026-05-25 06:38:31] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-208227503439063418.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9548076219604961165.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 261 rows 319 cols 859 entries
Finished phase 1 with 155 SingleSign rule and 102 generalized
[2026-05-25 06:38:31] [INFO ] Computed 62 invariants in 2 ms
Computed 62 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-9548076219604961165.kers
Total runtime 4 ms.
[2026-05-25 06:38:32] [INFO ] Implicit Places using invariants in 798 ms returned []
[2026-05-25 06:38:32] [INFO ] Invariant cache hit.
[2026-05-25 06:38:33] [INFO ] Implicit Places using invariants and state equation in 775 ms returned [26]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 1632 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 318/360 places, 261/311 transitions.
Applied a total of 0 rules in 16 ms. Remains 318 /318 variables (removed 0) and now considering 261/261 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1833 ms. Remains : 318/360 places, 261/311 transitions.
Starting structural reductions in LTL mode, iteration 0 : 318/318 places, 261/261 transitions.
Applied a total of 0 rules in 12 ms. Remains 318 /318 variables (removed 0) and now considering 261/261 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6605309779833822324.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4896506018384679868.kers'
[2026-05-25 06:38:33] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6605309779833822324.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4896506018384679868.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 261 rows 318 cols 857 entries
Finished phase 1 with 174 SingleSign rule and 83 generalized
[2026-05-25 06:38:33] [INFO ] Computed 61 invariants in 3 ms
Computed 61 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-4896506018384679868.kers
Total runtime 4 ms.
[2026-05-25 06:38:33] [INFO ] Implicit Places using invariants in 322 ms returned []
[2026-05-25 06:38:33] [INFO ] Invariant cache hit.
[2026-05-25 06:38:34] [INFO ] Implicit Places using invariants and state equation in 573 ms returned []
Implicit Place search using SMT with State Equation took 901 ms to find 0 implicit places.
Running 260 sub problems to find dead transitions.
[2026-05-25 06:38:34] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/317 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 260 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/317 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 260 unsolved
At refinement iteration 2 (OVERLAPS) 1/318 variables, 35/52 constraints. Problems are: Problem set: 0 solved, 260 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/318 variables, 9/61 constraints. Problems are: Problem set: 0 solved, 260 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/318 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 260 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/318 variables, 1/63 constraints. Problems are: Problem set: 0 solved, 260 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/318 variables, 7/70 constraints. Problems are: Problem set: 0 solved, 260 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/318 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 260 unsolved
At refinement iteration 8 (OVERLAPS) 261/579 variables, 318/388 constraints. Problems are: Problem set: 0 solved, 260 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/579 variables, 20/408 constraints. Problems are: Problem set: 0 solved, 260 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/579 variables, 11/419 constraints. Problems are: Problem set: 0 solved, 260 unsolved
SMT process timed out in 30196ms, After SMT, problems are : Problem set: 0 solved, 260 unsolved
Search for dead transitions found 0 dead transitions in 30215ms
Finished structural reductions in LTL mode , in 1 iterations and 31210 ms. Remains : 318/318 places, 261/261 transitions.
Support contains 33 out of 318 places after structural reductions.
[2026-05-25 06:39:04] [INFO ] Flatten gal took : 70 ms
[2026-05-25 06:39:04] [INFO ] Flatten gal took : 38 ms
[2026-05-25 06:39:04] [INFO ] Input system was already deterministic with 261 transitions.
Reduction of identical properties reduced properties to check from 25 to 24
RANDOM walk for 40000 steps (343 resets) in 1844 ms. (21 steps per ms) remains 8/24 properties
BEST_FIRST walk for 40004 steps (52 resets) in 252 ms. (158 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (61 resets) in 171 ms. (232 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (49 resets) in 142 ms. (279 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (53 resets) in 148 ms. (268 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (50 resets) in 130 ms. (305 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (53 resets) in 172 ms. (231 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (62 resets) in 128 ms. (310 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (60 resets) in 324 ms. (123 steps per ms) remains 8/8 properties
[2026-05-25 06:39:05] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 155/170 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/170 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 128/298 variables, 25/60 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/298 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 3/301 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/301 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (OVERLAPS) 247/548 variables, 301/362 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/548 variables, 0/362 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (OVERLAPS) 19/567 variables, 11/373 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/567 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 11 (OVERLAPS) 6/573 variables, 3/376 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/573 variables, 1/377 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/573 variables, 0/377 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 14 (OVERLAPS) 4/577 variables, 2/379 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/577 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 16 (OVERLAPS) 2/579 variables, 1/380 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/579 variables, 3/383 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/579 variables, 0/383 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 19 (OVERLAPS) 0/579 variables, 0/383 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 579/579 variables, and 383 constraints, problems are : Problem set: 0 solved, 8 unsolved in 2725 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 318/318 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Problem AtomicPropp22 is UNSAT
At refinement iteration 1 (OVERLAPS) 155/170 variables, 35/35 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/170 variables, 0/35 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 128/298 variables, 25/60 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/298 variables, 3/63 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/298 variables, 0/63 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 6 (OVERLAPS) 3/301 variables, 1/64 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/301 variables, 0/64 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 8 (OVERLAPS) 247/548 variables, 301/365 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/548 variables, 7/372 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/548 variables, 7/379 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/548 variables, 2/381 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/548 variables, 0/381 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 13 (OVERLAPS) 19/567 variables, 11/392 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/567 variables, 1/393 constraints. Problems are: Problem set: 1 solved, 7 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 567/579 variables, and 393 constraints, problems are : Problem set: 1 solved, 7 unsolved in 5012 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 312/318 constraints, PredecessorRefiner: 7/8 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 9/9 constraints]
After SMT, in 7767ms problems are : Problem set: 1 solved, 7 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 12 out of 318 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 318/318 places, 261/261 transitions.
Graph (complete) has 658 edges and 318 vertex of which 312 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.2 ms
Discarding 6 places :
Also discarding 4 output transitions
Drop transitions (Output transitions of discarded places.) removed 4 transitions
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 14 transitions
Trivial Post-agglo rules discarded 14 transitions
Performed 14 trivial Post agglomeration. Transition count delta: 14
Iterating post reduction 0 with 16 rules applied. Total rules applied 17 place count 312 transition count 241
Reduce places removed 14 places and 0 transitions.
Iterating post reduction 1 with 14 rules applied. Total rules applied 31 place count 298 transition count 241
Performed 11 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 11 Pre rules applied. Total rules applied 31 place count 298 transition count 230
Deduced a syphon composed of 11 places in 1 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 2 with 22 rules applied. Total rules applied 53 place count 287 transition count 230
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 55 place count 285 transition count 228
Iterating global reduction 2 with 2 rules applied. Total rules applied 57 place count 285 transition count 228
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 59 place count 283 transition count 226
Iterating global reduction 2 with 2 rules applied. Total rules applied 61 place count 283 transition count 226
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 63 place count 283 transition count 224
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 63 place count 283 transition count 222
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 67 place count 281 transition count 222
Performed 71 Post agglomeration using F-continuation condition.Transition count delta: 71
Deduced a syphon composed of 71 places in 0 ms
Reduce places removed 71 places and 0 transitions.
Iterating global reduction 3 with 142 rules applied. Total rules applied 209 place count 210 transition count 151
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 213 place count 208 transition count 153
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 3 with 1 rules applied. Total rules applied 214 place count 208 transition count 152
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 215 place count 207 transition count 152
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 216 place count 206 transition count 151
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 217 place count 205 transition count 151
Applied a total of 217 rules in 157 ms. Remains 205 /318 variables (removed 113) and now considering 151/261 (removed 110) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 157 ms. Remains : 205/318 places, 151/261 transitions.
RANDOM walk for 40000 steps (1439 resets) in 888 ms. (44 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40002 steps (281 resets) in 153 ms. (259 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (295 resets) in 140 ms. (283 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (250 resets) in 155 ms. (256 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (246 resets) in 100 ms. (396 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (283 resets) in 156 ms. (254 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (285 resets) in 154 ms. (258 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (296 resets) in 137 ms. (289 steps per ms) remains 7/7 properties
Interrupted probabilistic random walk after 627615 steps, run timeout after 3001 ms. (steps per millisecond=209 ) properties seen :0 out of 7
Probabilistic random walk after 627615 steps, saw 93173 distinct states, run finished after 3008 ms. (steps per millisecond=208 ) 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-13835938921461960416.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10871029850288727806.kers'
[2026-05-25 06:39:17] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13835938921461960416.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10871029850288727806.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 151 rows 203 cols 694 entries
Finished phase 1 with 71 SingleSign rule and 74 generalized
[2026-05-25 06:39:17] [INFO ] Computed 60 invariants in 1 ms
Computed 60 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-10871029850288727806.kers
Total runtime 2 ms.
[2026-05-25 06:39:17] [INFO ] State equation strengthened by 6 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 31/43 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/43 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 44/87 variables, 20/33 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 96/183 variables, 24/57 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/183 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (OVERLAPS) 2/185 variables, 2/59 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/185 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (OVERLAPS) 1/186 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/186 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 11 (OVERLAPS) 151/337 variables, 186/246 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/337 variables, 6/252 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/337 variables, 0/252 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 14 (OVERLAPS) 19/356 variables, 19/271 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/356 variables, 0/271 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 16 (OVERLAPS) 0/356 variables, 0/271 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 356/356 variables, and 271 constraints, problems are : Problem set: 0 solved, 7 unsolved in 1055 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 205/205 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 31/43 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/43 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 44/87 variables, 20/33 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 96/183 variables, 24/57 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/183 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (OVERLAPS) 2/185 variables, 2/59 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/185 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/185 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 10 (OVERLAPS) 1/186 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/186 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 12 (OVERLAPS) 151/337 variables, 186/247 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/337 variables, 6/253 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/337 variables, 6/259 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/337 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 16 (OVERLAPS) 19/356 variables, 19/278 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/356 variables, 1/279 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/356 variables, 2/281 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/356 variables, 2/283 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/356 variables, 0/283 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 21 (OVERLAPS) 0/356 variables, 2/285 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/356 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 23 (OVERLAPS) 0/356 variables, 1/286 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/356 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 25 (OVERLAPS) 0/356 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Int declared 356/356 variables, and 286 constraints, problems are : Problem set: 0 solved, 7 unsolved in 16261 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 205/205 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 17349ms problems are : Problem set: 0 solved, 7 unsolved
Fused 7 Parikh solutions to 6 different solutions.
Parikh walk visited 0 properties in 8929 ms.
Support contains 12 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 151/151 transitions.
Applied a total of 0 rules in 10 ms. Remains 205 /205 variables (removed 0) and now considering 151/151 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 205/205 places, 151/151 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 151/151 transitions.
Applied a total of 0 rules in 9 ms. Remains 205 /205 variables (removed 0) and now considering 151/151 (removed 0) transitions.
[2026-05-25 06:39:43] [INFO ] Invariant cache hit.
[2026-05-25 06:39:43] [INFO ] Implicit Places using invariants in 245 ms returned []
[2026-05-25 06:39:43] [INFO ] Invariant cache hit.
[2026-05-25 06:39:44] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 06:39:44] [INFO ] Implicit Places using invariants and state equation in 404 ms returned []
Implicit Place search using SMT with State Equation took 652 ms to find 0 implicit places.
[2026-05-25 06:39:44] [INFO ] Redundant transitions in 4 ms returned []
Running 148 sub problems to find dead transitions.
[2026-05-25 06:39:44] [INFO ] Invariant cache hit.
[2026-05-25 06:39:44] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/202 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 148 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/202 variables, 9/11 constraints. Problems are: Problem set: 0 solved, 148 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/202 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 148 unsolved
At refinement iteration 3 (OVERLAPS) 3/205 variables, 33/44 constraints. Problems are: Problem set: 0 solved, 148 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/205 variables, 16/60 constraints. Problems are: Problem set: 0 solved, 148 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/205 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 148 unsolved
At refinement iteration 6 (OVERLAPS) 151/356 variables, 205/265 constraints. Problems are: Problem set: 0 solved, 148 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/356 variables, 6/271 constraints. Problems are: Problem set: 0 solved, 148 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/356 variables, 7/278 constraints. Problems are: Problem set: 0 solved, 148 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/356 variables, 0/278 constraints. Problems are: Problem set: 0 solved, 148 unsolved
At refinement iteration 10 (OVERLAPS) 0/356 variables, 1/279 constraints. Problems are: Problem set: 0 solved, 148 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/356 variables, 1/280 constraints. Problems are: Problem set: 0 solved, 148 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/356 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 148 unsolved
At refinement iteration 13 (OVERLAPS) 0/356 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 148 unsolved
No progress, stopping.
After SMT solving in domain Real declared 356/356 variables, and 280 constraints, problems are : Problem set: 0 solved, 148 unsolved in 17066 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 205/205 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 148/148 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 148 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/202 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 148 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/202 variables, 9/11 constraints. Problems are: Problem set: 0 solved, 148 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/202 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 148 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/202 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 148 unsolved
At refinement iteration 4 (OVERLAPS) 3/205 variables, 33/48 constraints. Problems are: Problem set: 0 solved, 148 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/205 variables, 16/64 constraints. Problems are: Problem set: 0 solved, 148 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/205 variables, 5/69 constraints. Problems are: Problem set: 0 solved, 148 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/205 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 148 unsolved
At refinement iteration 8 (OVERLAPS) 151/356 variables, 205/274 constraints. Problems are: Problem set: 0 solved, 148 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/356 variables, 6/280 constraints. Problems are: Problem set: 0 solved, 148 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/356 variables, 148/428 constraints. Problems are: Problem set: 0 solved, 148 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/356 variables, 4/432 constraints. Problems are: Problem set: 0 solved, 148 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 356/356 variables, and 432 constraints, problems are : Problem set: 0 solved, 148 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 205/205 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 148/148 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 47134ms problems are : Problem set: 0 solved, 148 unsolved
Search for dead transitions found 0 dead transitions in 47136ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 47809 ms. Remains : 205/205 places, 151/151 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 10 ms. Remains 205 /205 variables (removed 0) and now considering 151/151 (removed 0) transitions.
Running SMT prover for 7 properties.
[2026-05-25 06:40:31] [INFO ] Invariant cache hit.
[2026-05-25 06:40:31] [INFO ] [Real]Absence check using 35 positive place invariants in 12 ms returned sat
[2026-05-25 06:40:31] [INFO ] [Real]Absence check using 35 positive and 25 generalized place invariants in 22 ms returned sat
[2026-05-25 06:40:31] [INFO ] After 233ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:7
[2026-05-25 06:40:31] [INFO ] [Nat]Absence check using 35 positive place invariants in 11 ms returned sat
[2026-05-25 06:40:31] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 21 ms returned sat
[2026-05-25 06:40:32] [INFO ] After 243ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :7
TRAPS : Iteration 0
[2026-05-25 06:40:32] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 57 ms
TRAPS : Iteration 1
[2026-05-25 06:40:32] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 186 ms
TRAPS : Iteration 2
[2026-05-25 06:40:32] [INFO ] After 989ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :7
[2026-05-25 06:40:32] [INFO ] After 1247ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :7
Over-approximation ignoring read arcs solved 0 properties in 1518 ms.
Successfully simplified 1 atomic propositions for a total of 11 simplifications.
FORMULA DES-PT-20b-LTLFireability-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 136 stabilizing places and 129 stable transitions
Graph (complete) has 658 edges and 318 vertex of which 312 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.12 ms
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((p0&&X(p1)))))'
Support contains 3 out of 318 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 318/318 places, 261/261 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 316 transition count 259
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 316 transition count 259
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 315 transition count 258
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 315 transition count 258
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 7 place count 315 transition count 257
Applied a total of 7 rules in 20 ms. Remains 315 /318 variables (removed 3) and now considering 257/261 (removed 4) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16468134757567820777.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9025432003198386409.kers'
[2026-05-25 06:40:33] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16468134757567820777.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9025432003198386409.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 257 rows 315 cols 847 entries
Finished phase 1 with 171 SingleSign rule and 83 generalized
[2026-05-25 06:40:33] [INFO ] Computed 61 invariants in 2 ms
Computed 61 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-9025432003198386409.kers
Total runtime 3 ms.
[2026-05-25 06:40:33] [INFO ] Implicit Places using invariants in 286 ms returned []
[2026-05-25 06:40:33] [INFO ] Invariant cache hit.
[2026-05-25 06:40:34] [INFO ] Implicit Places using invariants and state equation in 619 ms returned []
Implicit Place search using SMT with State Equation took 907 ms to find 0 implicit places.
Running 256 sub problems to find dead transitions.
[2026-05-25 06:40:34] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/314 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/314 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 2 (OVERLAPS) 1/315 variables, 35/52 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/315 variables, 9/61 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/315 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 5 (OVERLAPS) 257/572 variables, 315/376 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/572 variables, 20/396 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/572 variables, 14/410 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/572 variables, 17/427 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/572 variables, 7/434 constraints. Problems are: Problem set: 0 solved, 256 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 572/572 variables, and 434 constraints, problems are : Problem set: 0 solved, 256 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 315/315 constraints, PredecessorRefiner: 256/256 constraints, Known Traps: 58/58 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 256 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/314 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/314 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 2 (OVERLAPS) 1/315 variables, 35/52 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/315 variables, 9/61 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/315 variables, 58/119 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/315 variables, 4/123 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/315 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 7 (OVERLAPS) 257/572 variables, 315/438 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/572 variables, 256/694 constraints. Problems are: Problem set: 0 solved, 256 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 572/572 variables, and 697 constraints, problems are : Problem set: 0 solved, 256 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 315/315 constraints, PredecessorRefiner: 256/256 constraints, Known Traps: 65/65 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60079ms problems are : Problem set: 0 solved, 256 unsolved
Search for dead transitions found 0 dead transitions in 60081ms
Starting structural reductions in LTL mode, iteration 1 : 315/318 places, 257/261 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61010 ms. Remains : 315/318 places, 257/261 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((p0&&X(p1)))))'
Stuttering acceptance computed with spot in 343 ms :[true, (OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0))]
Running random walk in product with property : DES-PT-20b-LTLFireability-01
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 2 ms.
FORMULA DES-PT-20b-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DES-PT-20b-LTLFireability-01 finished in 61446 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(F(p0))&&F(p1)&&F((p2&&X(p3)))))'
Support contains 3 out of 318 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 318/318 places, 261/261 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 316 transition count 259
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 316 transition count 259
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 6 place count 314 transition count 257
Iterating global reduction 0 with 2 rules applied. Total rules applied 8 place count 314 transition count 257
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 10 place count 314 transition count 255
Applied a total of 10 rules in 43 ms. Remains 314 /318 variables (removed 4) and now considering 255/261 (removed 6) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1383849045798147687.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9758726386716979276.kers'
[2026-05-25 06:41:34] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1383849045798147687.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9758726386716979276.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 255 rows 314 cols 841 entries
Finished phase 1 with 171 SingleSign rule and 82 generalized
[2026-05-25 06:41:34] [INFO ] Computed 61 invariants in 2 ms
Computed 61 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-9758726386716979276.kers
Total runtime 2 ms.
[2026-05-25 06:41:34] [INFO ] Implicit Places using invariants in 299 ms returned []
[2026-05-25 06:41:34] [INFO ] Invariant cache hit.
[2026-05-25 06:41:35] [INFO ] Implicit Places using invariants and state equation in 640 ms returned []
Implicit Place search using SMT with State Equation took 946 ms to find 0 implicit places.
Running 254 sub problems to find dead transitions.
[2026-05-25 06:41:35] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/313 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 254 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/313 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 254 unsolved
At refinement iteration 2 (OVERLAPS) 1/314 variables, 35/53 constraints. Problems are: Problem set: 0 solved, 254 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/314 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 254 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/314 variables, 3/64 constraints. Problems are: Problem set: 0 solved, 254 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/314 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 254 unsolved
At refinement iteration 6 (OVERLAPS) 255/569 variables, 314/378 constraints. Problems are: Problem set: 0 solved, 254 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/569 variables, 12/390 constraints. Problems are: Problem set: 0 solved, 254 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/569 variables, 14/404 constraints. Problems are: Problem set: 0 solved, 254 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/569 variables, 2/406 constraints. Problems are: Problem set: 0 solved, 254 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 569/569 variables, and 406 constraints, problems are : Problem set: 0 solved, 254 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 314/314 constraints, PredecessorRefiner: 254/254 constraints, Known Traps: 29/29 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 254 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/313 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 254 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/313 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 254 unsolved
At refinement iteration 2 (OVERLAPS) 1/314 variables, 35/53 constraints. Problems are: Problem set: 0 solved, 254 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/314 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 254 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/314 variables, 29/90 constraints. Problems are: Problem set: 0 solved, 254 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/314 variables, 20/110 constraints. Problems are: Problem set: 0 solved, 254 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/314 variables, 9/119 constraints. Problems are: Problem set: 0 solved, 254 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/314 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 254 unsolved
At refinement iteration 8 (OVERLAPS) 255/569 variables, 314/433 constraints. Problems are: Problem set: 0 solved, 254 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/569 variables, 254/687 constraints. Problems are: Problem set: 0 solved, 254 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 569/569 variables, and 690 constraints, problems are : Problem set: 0 solved, 254 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 314/314 constraints, PredecessorRefiner: 254/254 constraints, Known Traps: 61/61 constraints, Known Traps Along Path: 0/2 constraints]
After SMT, in 60066ms problems are : Problem set: 0 solved, 254 unsolved
Search for dead transitions found 0 dead transitions in 60068ms
Starting structural reductions in LTL mode, iteration 1 : 314/318 places, 255/261 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61059 ms. Remains : 314/318 places, 255/261 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(F(p0))&&F(p1)&&F((p2&&X(p3)))))'
Stuttering acceptance computed with spot in 207 ms :[(OR (NOT p1) (NOT p2) (NOT p0) (NOT p3)), (NOT p0), (NOT p1), (OR (NOT p2) (NOT p3)), (NOT p3)]
Running random walk in product with property : DES-PT-20b-LTLFireability-02
Stuttering criterion allowed to conclude after 110 steps with 6 reset in 2 ms.
FORMULA DES-PT-20b-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DES-PT-20b-LTLFireability-02 finished in 61310 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))||G(!p2)||(!p2&&F(G(!p3)))))'
Support contains 6 out of 318 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 318/318 places, 261/261 transitions.
Graph (complete) has 658 edges and 318 vertex of which 312 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.2 ms
Discarding 6 places :
Also discarding 4 output transitions
Drop transitions (Output transitions of discarded places.) removed 4 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 13 transitions
Trivial Post-agglo rules discarded 13 transitions
Performed 13 trivial Post agglomeration. Transition count delta: 13
Iterating post reduction 0 with 13 rules applied. Total rules applied 14 place count 311 transition count 243
Reduce places removed 13 places and 0 transitions.
Iterating post reduction 1 with 13 rules applied. Total rules applied 27 place count 298 transition count 243
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 10 Pre rules applied. Total rules applied 27 place count 298 transition count 233
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 2 with 20 rules applied. Total rules applied 47 place count 288 transition count 233
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 49 place count 286 transition count 231
Iterating global reduction 2 with 2 rules applied. Total rules applied 51 place count 286 transition count 231
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 53 place count 284 transition count 229
Iterating global reduction 2 with 2 rules applied. Total rules applied 55 place count 284 transition count 229
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 57 place count 284 transition count 227
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 57 place count 284 transition count 225
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 61 place count 282 transition count 225
Performed 74 Post agglomeration using F-continuation condition.Transition count delta: 74
Deduced a syphon composed of 74 places in 0 ms
Reduce places removed 74 places and 0 transitions.
Iterating global reduction 3 with 148 rules applied. Total rules applied 209 place count 208 transition count 151
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 213 place count 206 transition count 153
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 215 place count 204 transition count 151
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 216 place count 203 transition count 151
Applied a total of 216 rules in 90 ms. Remains 203 /318 variables (removed 115) and now considering 151/261 (removed 110) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13711758594230122727.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1094320979675452110.kers'
[2026-05-25 06:42:36] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13711758594230122727.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1094320979675452110.kers]
Culling duplicate invariants (modulo rational): removing 22 columns.
Culled 22 columns in 0 ms.
// Phase 1: matrix 151 rows 181 cols 610 entries
Finished phase 1 with 89 SingleSign rule and 56 generalized
[2026-05-25 06:42:36] [INFO ] Computed 58 invariants in 1 ms
Computed 58 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-1094320979675452110.kers
Total runtime 2 ms.
[2026-05-25 06:42:36] [INFO ] Implicit Places using invariants in 251 ms returned []
[2026-05-25 06:42:36] [INFO ] Invariant cache hit.
[2026-05-25 06:42:36] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 06:42:36] [INFO ] Implicit Places using invariants and state equation in 439 ms returned []
Implicit Place search using SMT with State Equation took 693 ms to find 0 implicit places.
[2026-05-25 06:42:36] [INFO ] Redundant transitions in 6 ms returned []
Running 147 sub problems to find dead transitions.
[2026-05-25 06:42:36] [INFO ] Invariant cache hit.
[2026-05-25 06:42:36] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/199 variables, 30/30 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/199 variables, 10/40 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/199 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 3 (OVERLAPS) 2/201 variables, 6/46 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 1/47 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 147 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 1/202 variables, 11/58 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/202 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 8 (OVERLAPS) 151/353 variables, 202/260 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/353 variables, 6/266 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/353 variables, 2/268 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/353 variables, 4/272 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/353 variables, 0/272 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 13 (OVERLAPS) 1/354 variables, 1/273 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/354 variables, 0/273 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 15 (OVERLAPS) 0/354 variables, 0/273 constraints. Problems are: Problem set: 0 solved, 147 unsolved
No progress, stopping.
After SMT solving in domain Real declared 354/354 variables, and 273 constraints, problems are : Problem set: 0 solved, 147 unsolved in 14675 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 22/22 constraints, State Equation: 203/203 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 147/147 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 147 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/199 variables, 30/30 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/199 variables, 10/40 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/199 variables, 4/44 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/199 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 4 (OVERLAPS) 2/201 variables, 6/50 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 1/51 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/201 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 7 (OVERLAPS) 1/202 variables, 11/62 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/202 variables, 2/64 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/202 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 10 (OVERLAPS) 151/353 variables, 202/266 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/353 variables, 6/272 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/353 variables, 147/419 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/353 variables, 2/421 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/353 variables, 1/422 constraints. Problems are: Problem set: 0 solved, 147 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 353/354 variables, and 422 constraints, problems are : Problem set: 0 solved, 147 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 22/22 constraints, State Equation: 202/203 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 147/147 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 44709ms problems are : Problem set: 0 solved, 147 unsolved
Search for dead transitions found 0 dead transitions in 44710ms
Starting structural reductions in SI_LTL mode, iteration 1 : 203/318 places, 151/261 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 45505 ms. Remains : 203/318 places, 151/261 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))||G(p2)||(F(G(p3))&&p2)))'
Stuttering acceptance computed with spot in 280 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (NOT p1)), (OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND (NOT p1) (NOT p2) (NOT p3))), (NOT p1), (AND (NOT p2) (NOT p1) (NOT p3)), (OR (AND (NOT p0) (NOT p3)) (AND (NOT p1) (NOT p3))), (AND (NOT p1) (NOT p3))]
Running random walk in product with property : DES-PT-20b-LTLFireability-04
Product exploration explored 100000 steps with 4834 reset in 500 ms.
Product exploration explored 100000 steps with 4891 reset in 455 ms.
Computed a total of 99 stabilizing places and 94 stable transitions
Computed a total of 99 stabilizing places and 94 stable transitions
Detected a total of 99/203 stabilizing places and 94/151 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/4 atomic propositions.
Knowledge based reduction with 23 factoid took 200 ms. Reduced automaton from 7 states, 18 edges and 4 AP (stutter insensitive) to 13 states, 38 edges and 4 AP (stutter insensitive).
Reduction of identical properties reduced properties to check from 24 to 23
RANDOM walk for 40000 steps (1744 resets) in 319 ms. (125 steps per ms) remains 13/23 properties
BEST_FIRST walk for 40003 steps (347 resets) in 209 ms. (190 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (376 resets) in 168 ms. (236 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (314 resets) in 348 ms. (114 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (355 resets) in 175 ms. (227 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (310 resets) in 190 ms. (209 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (301 resets) in 121 ms. (327 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40002 steps (300 resets) in 139 ms. (285 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40002 steps (338 resets) in 121 ms. (327 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (317 resets) in 95 ms. (416 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (358 resets) in 89 ms. (444 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (304 resets) in 104 ms. (380 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (309 resets) in 72 ms. (548 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (330 resets) in 68 ms. (579 steps per ms) remains 13/13 properties
[2026-05-25 06:43:23] [INFO ] Invariant cache hit.
[2026-05-25 06:43:23] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 13/19 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/19 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (OVERLAPS) 6/25 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (OVERLAPS) 106/131 variables, 12/20 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/131 variables, 2/22 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/131 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 8 (OVERLAPS) 29/160 variables, 26/48 constraints. Problems are: Problem set: 0 solved, 13 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 10 (OVERLAPS) 14/174 variables, 10/58 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/174 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 13 unsolved
Problem apf3 is UNSAT
Problem apf7 is UNSAT
Problem apf8 is UNSAT
Problem apf11 is UNSAT
Problem apf13 is UNSAT
Problem apf17 is UNSAT
Problem apf18 is UNSAT
At refinement iteration 12 (OVERLAPS) 129/303 variables, 174/232 constraints. Problems are: Problem set: 7 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/303 variables, 6/238 constraints. Problems are: Problem set: 7 solved, 6 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/303 variables, 0/238 constraints. Problems are: Problem set: 7 solved, 6 unsolved
At refinement iteration 15 (OVERLAPS) 9/312 variables, 7/245 constraints. Problems are: Problem set: 7 solved, 6 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/312 variables, 1/246 constraints. Problems are: Problem set: 7 solved, 6 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/312 variables, 0/246 constraints. Problems are: Problem set: 7 solved, 6 unsolved
At refinement iteration 18 (OVERLAPS) 22/334 variables, 2/248 constraints. Problems are: Problem set: 7 solved, 6 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/334 variables, 1/249 constraints. Problems are: Problem set: 7 solved, 6 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/334 variables, 0/249 constraints. Problems are: Problem set: 7 solved, 6 unsolved
At refinement iteration 21 (OVERLAPS) 20/354 variables, 20/269 constraints. Problems are: Problem set: 7 solved, 6 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/354 variables, 0/269 constraints. Problems are: Problem set: 7 solved, 6 unsolved
At refinement iteration 23 (OVERLAPS) 0/354 variables, 0/269 constraints. Problems are: Problem set: 7 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 354/354 variables, and 269 constraints, problems are : Problem set: 7 solved, 6 unsolved in 1619 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 22/22 constraints, State Equation: 203/203 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 7 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 7 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 13/19 variables, 5/5 constraints. Problems are: Problem set: 7 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/19 variables, 0/5 constraints. Problems are: Problem set: 7 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 6/25 variables, 3/8 constraints. Problems are: Problem set: 7 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 7 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 106/131 variables, 12/20 constraints. Problems are: Problem set: 7 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/131 variables, 2/22 constraints. Problems are: Problem set: 7 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/131 variables, 0/22 constraints. Problems are: Problem set: 7 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 29/160 variables, 26/48 constraints. Problems are: Problem set: 7 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 2/50 constraints. Problems are: Problem set: 7 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/160 variables, 0/50 constraints. Problems are: Problem set: 7 solved, 6 unsolved
At refinement iteration 11 (OVERLAPS) 14/174 variables, 10/60 constraints. Problems are: Problem set: 7 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/174 variables, 1/61 constraints. Problems are: Problem set: 7 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/174 variables, 0/61 constraints. Problems are: Problem set: 7 solved, 6 unsolved
At refinement iteration 14 (OVERLAPS) 129/303 variables, 174/235 constraints. Problems are: Problem set: 7 solved, 6 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/303 variables, 6/241 constraints. Problems are: Problem set: 7 solved, 6 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/303 variables, 6/247 constraints. Problems are: Problem set: 7 solved, 6 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/303 variables, 0/247 constraints. Problems are: Problem set: 7 solved, 6 unsolved
At refinement iteration 18 (OVERLAPS) 9/312 variables, 7/254 constraints. Problems are: Problem set: 7 solved, 6 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/312 variables, 1/255 constraints. Problems are: Problem set: 7 solved, 6 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/312 variables, 1/256 constraints. Problems are: Problem set: 7 solved, 6 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/312 variables, 0/256 constraints. Problems are: Problem set: 7 solved, 6 unsolved
At refinement iteration 22 (OVERLAPS) 22/334 variables, 2/258 constraints. Problems are: Problem set: 7 solved, 6 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/334 variables, 1/259 constraints. Problems are: Problem set: 7 solved, 6 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/334 variables, 0/259 constraints. Problems are: Problem set: 7 solved, 6 unsolved
At refinement iteration 25 (OVERLAPS) 20/354 variables, 20/279 constraints. Problems are: Problem set: 7 solved, 6 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/354 variables, 0/279 constraints. Problems are: Problem set: 7 solved, 6 unsolved
At refinement iteration 27 (OVERLAPS) 0/354 variables, 0/279 constraints. Problems are: Problem set: 7 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 354/354 variables, and 279 constraints, problems are : Problem set: 7 solved, 6 unsolved in 3153 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 22/22 constraints, State Equation: 203/203 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/13 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4786ms problems are : Problem set: 7 solved, 6 unsolved
Fused 6 Parikh solutions to 5 different solutions.
Parikh walk visited 0 properties in 7505 ms.
Support contains 6 out of 203 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 203/203 places, 151/151 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 203 transition count 150
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 1 with 1 rules applied. Total rules applied 2 place count 203 transition count 149
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 202 transition count 149
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 4 place count 202 transition count 149
Applied a total of 4 rules in 25 ms. Remains 202 /203 variables (removed 1) and now considering 149/151 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27 ms. Remains : 202/203 places, 149/151 transitions.
RANDOM walk for 40000 steps (1762 resets) in 194 ms. (205 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (348 resets) in 56 ms. (701 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (347 resets) in 58 ms. (678 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (356 resets) in 58 ms. (678 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (333 resets) in 68 ms. (579 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (348 resets) in 67 ms. (588 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (320 resets) in 56 ms. (701 steps per ms) remains 6/6 properties
Interrupted probabilistic random walk after 623784 steps, run timeout after 3001 ms. (steps per millisecond=207 ) properties seen :0 out of 6
Probabilistic random walk after 623784 steps, saw 88579 distinct states, run finished after 3001 ms. (steps per millisecond=207 ) 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-10783436948883366169.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16000083463668244361.kers'
[2026-05-25 06:43:39] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10783436948883366169.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16000083463668244361.kers]
Culling duplicate invariants (modulo rational): removing 22 columns.
Culled 22 columns in 0 ms.
// Phase 1: matrix 149 rows 180 cols 607 entries
Finished phase 1 with 93 SingleSign rule and 50 generalized
[2026-05-25 06:43:39] [INFO ] Computed 59 invariants in 1 ms
Computed 59 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-16000083463668244361.kers
Total runtime 2 ms.
[2026-05-25 06:43:39] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 13/19 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/19 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 6/25 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 103/128 variables, 11/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/128 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 35/163 variables, 28/47 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/163 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (OVERLAPS) 2/165 variables, 1/48 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/165 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (OVERLAPS) 9/174 variables, 9/57 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/174 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (OVERLAPS) 127/301 variables, 174/231 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/301 variables, 6/237 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/301 variables, 0/237 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 16 (OVERLAPS) 9/310 variables, 6/243 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/310 variables, 1/244 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/310 variables, 0/244 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 19 (OVERLAPS) 22/332 variables, 3/247 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/332 variables, 1/248 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/332 variables, 0/248 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 22 (OVERLAPS) 19/351 variables, 19/267 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/351 variables, 0/267 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 24 (OVERLAPS) 0/351 variables, 0/267 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 351/351 variables, and 267 constraints, problems are : Problem set: 0 solved, 6 unsolved in 1145 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 202/202 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 13/19 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/19 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 6/25 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 103/128 variables, 11/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/128 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 35/163 variables, 28/47 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/163 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (OVERLAPS) 2/165 variables, 1/48 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/165 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (OVERLAPS) 9/174 variables, 9/57 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/174 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (OVERLAPS) 127/301 variables, 174/231 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/301 variables, 6/237 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/301 variables, 6/243 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/301 variables, 1/244 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/301 variables, 1/245 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/301 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 19 (OVERLAPS) 9/310 variables, 6/251 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/310 variables, 1/252 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/310 variables, 0/252 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 22 (OVERLAPS) 22/332 variables, 3/255 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/332 variables, 1/256 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/332 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 25 (OVERLAPS) 19/351 variables, 19/275 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/351 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 27 (OVERLAPS) 0/351 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 351/351 variables, and 275 constraints, problems are : Problem set: 0 solved, 6 unsolved in 2721 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 202/202 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 3880ms problems are : Problem set: 0 solved, 6 unsolved
Fused 6 Parikh solutions to 5 different solutions.
Parikh walk visited 0 properties in 7012 ms.
Support contains 6 out of 202 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 202/202 places, 149/149 transitions.
Applied a total of 0 rules in 7 ms. Remains 202 /202 variables (removed 0) and now considering 149/149 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 202/202 places, 149/149 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 202/202 places, 149/149 transitions.
Applied a total of 0 rules in 7 ms. Remains 202 /202 variables (removed 0) and now considering 149/149 (removed 0) transitions.
[2026-05-25 06:43:50] [INFO ] Invariant cache hit.
[2026-05-25 06:43:50] [INFO ] Implicit Places using invariants in 190 ms returned []
[2026-05-25 06:43:50] [INFO ] Invariant cache hit.
[2026-05-25 06:43:50] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 06:43:50] [INFO ] Implicit Places using invariants and state equation in 449 ms returned []
Implicit Place search using SMT with State Equation took 640 ms to find 0 implicit places.
[2026-05-25 06:43:50] [INFO ] Redundant transitions in 5 ms returned []
Running 145 sub problems to find dead transitions.
[2026-05-25 06:43:50] [INFO ] Invariant cache hit.
[2026-05-25 06:43:50] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/198 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/198 variables, 9/42 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/198 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 3 (OVERLAPS) 2/200 variables, 6/48 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/200 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 5 (OVERLAPS) 1/201 variables, 11/59 constraints. Problems are: Problem set: 0 solved, 145 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/201 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 7 (OVERLAPS) 149/350 variables, 201/260 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/350 variables, 6/266 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/350 variables, 3/269 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/350 variables, 1/270 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/350 variables, 0/270 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 12 (OVERLAPS) 1/351 variables, 1/271 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/351 variables, 1/272 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/351 variables, 2/274 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/351 variables, 2/276 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/351 variables, 0/276 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 17 (OVERLAPS) 0/351 variables, 0/276 constraints. Problems are: Problem set: 0 solved, 145 unsolved
No progress, stopping.
After SMT solving in domain Real declared 351/351 variables, and 276 constraints, problems are : Problem set: 0 solved, 145 unsolved in 21430 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 202/202 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 145/145 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 145 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/198 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/198 variables, 9/42 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/198 variables, 8/50 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/198 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 4 (OVERLAPS) 2/200 variables, 6/56 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/200 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 6 (OVERLAPS) 1/201 variables, 11/67 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/201 variables, 1/68 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/201 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 9 (OVERLAPS) 149/350 variables, 201/269 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/350 variables, 6/275 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/350 variables, 145/420 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/350 variables, 2/422 constraints. Problems are: Problem set: 0 solved, 145 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 350/351 variables, and 423 constraints, problems are : Problem set: 0 solved, 145 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 201/202 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 145/145 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 51467ms problems are : Problem set: 0 solved, 145 unsolved
Search for dead transitions found 0 dead transitions in 51468ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 52126 ms. Remains : 202/202 places, 149/149 transitions.
Attempting over-approximation, by ignoring read arcs.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 202 transition count 149
Applied a total of 1 rules in 15 ms. Remains 202 /202 variables (removed 0) and now considering 149/149 (removed 0) transitions.
Running SMT prover for 6 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9480969305052793448.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18413634375823683676.kers'
[2026-05-25 06:44:42] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9480969305052793448.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18413634375823683676.kers]
Culling duplicate invariants (modulo rational): removing 22 columns.
Culled 22 columns in 0 ms.
// Phase 1: matrix 149 rows 180 cols 608 entries
Finished phase 1 with 93 SingleSign rule and 50 generalized
[2026-05-25 06:44:42] [INFO ] Computed 59 invariants in 1 ms
Computed 59 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-18413634375823683676.kers
Total runtime 2 ms.
[2026-05-25 06:44:42] [INFO ] [Real]Absence check using 39 positive place invariants in 11 ms returned sat
[2026-05-25 06:44:42] [INFO ] [Real]Absence check using 39 positive and 20 generalized place invariants in 20 ms returned sat
[2026-05-25 06:44:42] [INFO ] After 149ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:6
[2026-05-25 06:44:42] [INFO ] [Nat]Absence check using 39 positive place invariants in 11 ms returned sat
[2026-05-25 06:44:42] [INFO ] [Nat]Absence check using 39 positive and 20 generalized place invariants in 18 ms returned sat
[2026-05-25 06:44:42] [INFO ] After 196ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :6
TRAPS : Iteration 0
[2026-05-25 06:44:43] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 312 ms
[2026-05-25 06:44:43] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 222 ms
[2026-05-25 06:44:43] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 53 ms
TRAPS : Iteration 1
[2026-05-25 06:44:43] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 57 ms
[2026-05-25 06:44:43] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 67 ms
TRAPS : Iteration 2
[2026-05-25 06:44:43] [INFO ] After 1263ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :6
[2026-05-25 06:44:43] [INFO ] After 1494ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :6
Over-approximation ignoring read arcs solved 0 properties in 1683 ms.
Found 7 invariant AP formulas.
Knowledge based reduction with 30 factoid took 446 ms. Reduced automaton from 13 states, 38 edges and 4 AP (stutter insensitive) to 5 states, 11 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 197 ms :[(AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p1) (NOT p3)), (NOT p3), (AND (NOT p1) (NOT p3))]
Knowledge-based reduction took 81818 ms.
Stuttering acceptance computed with spot in 192 ms :[(AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p1) (NOT p3)), (NOT p3), (AND (NOT p1) (NOT p3))]
Support contains 6 out of 203 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 203/203 places, 151/151 transitions.
Applied a total of 0 rules in 2 ms. Remains 203 /203 variables (removed 0) and now considering 151/151 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12794841100220485158.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18383712850899128158.kers'
[2026-05-25 06:44:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12794841100220485158.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18383712850899128158.kers]
Culling duplicate invariants (modulo rational): removing 22 columns.
Culled 22 columns in 0 ms.
// Phase 1: matrix 151 rows 181 cols 610 entries
Finished phase 1 with 89 SingleSign rule and 56 generalized
[2026-05-25 06:44:44] [INFO ] Computed 58 invariants in 1 ms
Computed 58 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-18383712850899128158.kers
Total runtime 2 ms.
[2026-05-25 06:44:44] [INFO ] Implicit Places using invariants in 230 ms returned []
[2026-05-25 06:44:44] [INFO ] Invariant cache hit.
[2026-05-25 06:44:45] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 06:44:45] [INFO ] Implicit Places using invariants and state equation in 477 ms returned []
Implicit Place search using SMT with State Equation took 709 ms to find 0 implicit places.
Running 147 sub problems to find dead transitions.
[2026-05-25 06:44:45] [INFO ] Invariant cache hit.
[2026-05-25 06:44:45] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/199 variables, 30/30 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/199 variables, 10/40 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/199 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 3 (OVERLAPS) 2/201 variables, 6/46 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 1/47 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 147 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 1/202 variables, 11/58 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/202 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 8 (OVERLAPS) 151/353 variables, 202/260 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/353 variables, 6/266 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/353 variables, 2/268 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/353 variables, 4/272 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/353 variables, 0/272 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 13 (OVERLAPS) 1/354 variables, 1/273 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/354 variables, 0/273 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 15 (OVERLAPS) 0/354 variables, 0/273 constraints. Problems are: Problem set: 0 solved, 147 unsolved
No progress, stopping.
After SMT solving in domain Real declared 354/354 variables, and 273 constraints, problems are : Problem set: 0 solved, 147 unsolved in 14781 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 22/22 constraints, State Equation: 203/203 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 147/147 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 147 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/199 variables, 30/30 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/199 variables, 10/40 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/199 variables, 4/44 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/199 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 4 (OVERLAPS) 2/201 variables, 6/50 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 1/51 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/201 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 7 (OVERLAPS) 1/202 variables, 11/62 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/202 variables, 2/64 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/202 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 10 (OVERLAPS) 151/353 variables, 202/266 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/353 variables, 6/272 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/353 variables, 147/419 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/353 variables, 2/421 constraints. Problems are: Problem set: 0 solved, 147 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 353/354 variables, and 422 constraints, problems are : Problem set: 0 solved, 147 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 22/22 constraints, State Equation: 202/203 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 147/147 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 44813ms problems are : Problem set: 0 solved, 147 unsolved
Search for dead transitions found 0 dead transitions in 44813ms
Finished structural reductions in LTL mode , in 1 iterations and 45527 ms. Remains : 203/203 places, 151/151 transitions.
Computed a total of 99 stabilizing places and 94 stable transitions
Computed a total of 99 stabilizing places and 94 stable transitions
Detected a total of 99/203 stabilizing places and 94/151 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/4 atomic propositions.
Knowledge based reduction with 15 factoid took 136 ms. Reduced automaton from 5 states, 11 edges and 4 AP (stutter sensitive) to 5 states, 11 edges and 4 AP (stutter sensitive).
RANDOM walk for 40000 steps (1786 resets) in 181 ms. (219 steps per ms) remains 4/12 properties
BEST_FIRST walk for 40004 steps (345 resets) in 70 ms. (563 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (355 resets) in 55 ms. (714 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (322 resets) in 55 ms. (714 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (325 resets) in 64 ms. (615 steps per ms) remains 4/4 properties
[2026-05-25 06:45:30] [INFO ] Invariant cache hit.
[2026-05-25 06:45:30] [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, 4 unsolved
At refinement iteration 1 (OVERLAPS) 13/18 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 6/24 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/24 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 107/131 variables, 12/20 constraints. Problems are: Problem set: 0 solved, 4 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/131 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 29/160 variables, 26/46 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 14/174 variables, 10/56 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/174 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 129/303 variables, 174/230 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/303 variables, 6/236 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/303 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (OVERLAPS) 9/312 variables, 7/243 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/312 variables, 1/244 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/312 variables, 0/244 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (OVERLAPS) 22/334 variables, 2/246 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/334 variables, 1/247 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/334 variables, 0/247 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 20 (OVERLAPS) 20/354 variables, 20/267 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/354 variables, 0/267 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 22 (OVERLAPS) 0/354 variables, 0/267 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 354/354 variables, and 267 constraints, problems are : Problem set: 0 solved, 4 unsolved in 620 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 22/22 constraints, State Equation: 203/203 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 13/18 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 6/24 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/24 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 107/131 variables, 12/20 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/131 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 29/160 variables, 26/46 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 14/174 variables, 10/56 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/174 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/174 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (OVERLAPS) 129/303 variables, 174/231 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/303 variables, 6/237 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/303 variables, 4/241 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/303 variables, 1/242 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/303 variables, 1/243 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/303 variables, 0/243 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 18 (OVERLAPS) 9/312 variables, 7/250 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/312 variables, 1/251 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/312 variables, 0/251 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 21 (OVERLAPS) 22/334 variables, 2/253 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/334 variables, 1/254 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/334 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 24 (OVERLAPS) 20/354 variables, 20/274 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/354 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 26 (OVERLAPS) 0/354 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 354/354 variables, and 274 constraints, problems are : Problem set: 0 solved, 4 unsolved in 1892 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 22/22 constraints, State Equation: 203/203 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 2517ms problems are : Problem set: 0 solved, 4 unsolved
Fused 4 Parikh solutions to 3 different solutions.
Parikh walk visited 0 properties in 3525 ms.
Support contains 5 out of 203 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 203/203 places, 151/151 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 203 transition count 150
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 1 with 1 rules applied. Total rules applied 2 place count 203 transition count 149
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 202 transition count 149
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 4 place count 202 transition count 149
Applied a total of 4 rules in 27 ms. Remains 202 /203 variables (removed 1) and now considering 149/151 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28 ms. Remains : 202/203 places, 149/151 transitions.
RANDOM walk for 40000 steps (1709 resets) in 215 ms. (185 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (347 resets) in 75 ms. (526 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (339 resets) in 58 ms. (678 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (331 resets) in 63 ms. (625 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (316 resets) in 55 ms. (714 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 631944 steps, run timeout after 3001 ms. (steps per millisecond=210 ) properties seen :0 out of 4
Probabilistic random walk after 631944 steps, saw 89529 distinct states, run finished after 3001 ms. (steps per millisecond=210 ) 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-4437418246246331005.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1586548553027883015.kers'
[2026-05-25 06:45:39] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4437418246246331005.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1586548553027883015.kers]
Culling duplicate invariants (modulo rational): removing 22 columns.
Culled 22 columns in 0 ms.
// Phase 1: matrix 149 rows 180 cols 607 entries
Finished phase 1 with 93 SingleSign rule and 50 generalized
[2026-05-25 06:45:39] [INFO ] Computed 59 invariants in 2 ms
Computed 59 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-1586548553027883015.kers
Total runtime 3 ms.
[2026-05-25 06:45:39] [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, 4 unsolved
At refinement iteration 1 (OVERLAPS) 13/18 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 6/24 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/24 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 104/128 variables, 11/19 constraints. Problems are: Problem set: 0 solved, 4 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/128 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 35/163 variables, 28/47 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/163 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 2/165 variables, 1/48 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/165 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 9/174 variables, 9/57 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/174 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 127/301 variables, 174/231 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/301 variables, 6/237 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/301 variables, 0/237 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (OVERLAPS) 9/310 variables, 6/243 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/310 variables, 1/244 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/310 variables, 0/244 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 19 (OVERLAPS) 22/332 variables, 3/247 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/332 variables, 1/248 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/332 variables, 0/248 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 22 (OVERLAPS) 19/351 variables, 19/267 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/351 variables, 0/267 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 24 (OVERLAPS) 0/351 variables, 0/267 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 351/351 variables, and 267 constraints, problems are : Problem set: 0 solved, 4 unsolved in 745 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 202/202 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 13/18 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 6/24 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/24 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 104/128 variables, 11/19 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/128 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 35/163 variables, 28/47 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/163 variables, 3/50 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/163 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (OVERLAPS) 2/165 variables, 1/51 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/165 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (OVERLAPS) 9/174 variables, 9/60 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/174 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (OVERLAPS) 127/301 variables, 174/234 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/301 variables, 6/240 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/301 variables, 4/244 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/301 variables, 3/247 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/301 variables, 0/247 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 19 (OVERLAPS) 9/310 variables, 6/253 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/310 variables, 1/254 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/310 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 22 (OVERLAPS) 22/332 variables, 3/257 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/332 variables, 1/258 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/332 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 25 (OVERLAPS) 19/351 variables, 19/277 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/351 variables, 0/277 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 27 (OVERLAPS) 0/351 variables, 0/277 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 351/351 variables, and 277 constraints, problems are : Problem set: 0 solved, 4 unsolved in 2265 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 202/202 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 3023ms problems are : Problem set: 0 solved, 4 unsolved
Parikh walk visited 0 properties in 6120 ms.
Support contains 5 out of 202 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 202/202 places, 149/149 transitions.
Applied a total of 0 rules in 7 ms. Remains 202 /202 variables (removed 0) and now considering 149/149 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 202/202 places, 149/149 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 202/202 places, 149/149 transitions.
Applied a total of 0 rules in 6 ms. Remains 202 /202 variables (removed 0) and now considering 149/149 (removed 0) transitions.
[2026-05-25 06:45:48] [INFO ] Invariant cache hit.
[2026-05-25 06:45:49] [INFO ] Implicit Places using invariants in 224 ms returned []
[2026-05-25 06:45:49] [INFO ] Invariant cache hit.
[2026-05-25 06:45:49] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 06:45:49] [INFO ] Implicit Places using invariants and state equation in 393 ms returned []
Implicit Place search using SMT with State Equation took 618 ms to find 0 implicit places.
[2026-05-25 06:45:49] [INFO ] Redundant transitions in 1 ms returned []
Running 145 sub problems to find dead transitions.
[2026-05-25 06:45:49] [INFO ] Invariant cache hit.
[2026-05-25 06:45:49] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/198 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/198 variables, 9/42 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/198 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 3 (OVERLAPS) 2/200 variables, 6/48 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/200 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 5 (OVERLAPS) 1/201 variables, 11/59 constraints. Problems are: Problem set: 0 solved, 145 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/201 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 7 (OVERLAPS) 149/350 variables, 201/260 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/350 variables, 6/266 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/350 variables, 3/269 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/350 variables, 1/270 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/350 variables, 0/270 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 12 (OVERLAPS) 1/351 variables, 1/271 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/351 variables, 1/272 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/351 variables, 2/274 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/351 variables, 2/276 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/351 variables, 0/276 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 17 (OVERLAPS) 0/351 variables, 0/276 constraints. Problems are: Problem set: 0 solved, 145 unsolved
No progress, stopping.
After SMT solving in domain Real declared 351/351 variables, and 276 constraints, problems are : Problem set: 0 solved, 145 unsolved in 22527 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 202/202 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 145/145 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 145 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/198 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/198 variables, 9/42 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/198 variables, 8/50 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/198 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 4 (OVERLAPS) 2/200 variables, 6/56 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/200 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 6 (OVERLAPS) 1/201 variables, 11/67 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/201 variables, 1/68 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/201 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 9 (OVERLAPS) 149/350 variables, 201/269 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/350 variables, 6/275 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/350 variables, 145/420 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/350 variables, 2/422 constraints. Problems are: Problem set: 0 solved, 145 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 350/351 variables, and 423 constraints, problems are : Problem set: 0 solved, 145 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 201/202 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 145/145 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 52558ms problems are : Problem set: 0 solved, 145 unsolved
Search for dead transitions found 0 dead transitions in 52563ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 53195 ms. Remains : 202/202 places, 149/149 transitions.
Attempting over-approximation, by ignoring read arcs.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 202 transition count 149
Applied a total of 1 rules in 22 ms. Remains 202 /202 variables (removed 0) and now considering 149/149 (removed 0) transitions.
Running SMT prover for 4 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3636755121291294034.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11208135122192616622.kers'
[2026-05-25 06:46:42] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3636755121291294034.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11208135122192616622.kers]
Culling duplicate invariants (modulo rational): removing 22 columns.
Culled 22 columns in 0 ms.
// Phase 1: matrix 149 rows 180 cols 608 entries
Finished phase 1 with 93 SingleSign rule and 50 generalized
[2026-05-25 06:46:42] [INFO ] Computed 59 invariants in 1 ms
Computed 59 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-11208135122192616622.kers
Total runtime 2 ms.
[2026-05-25 06:46:42] [INFO ] [Real]Absence check using 39 positive place invariants in 11 ms returned sat
[2026-05-25 06:46:42] [INFO ] [Real]Absence check using 39 positive and 20 generalized place invariants in 20 ms returned sat
[2026-05-25 06:46:42] [INFO ] After 119ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2026-05-25 06:46:42] [INFO ] [Nat]Absence check using 39 positive place invariants in 12 ms returned sat
[2026-05-25 06:46:42] [INFO ] [Nat]Absence check using 39 positive and 20 generalized place invariants in 19 ms returned sat
[2026-05-25 06:46:42] [INFO ] After 170ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
TRAPS : Iteration 0
[2026-05-25 06:46:42] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 444 ms
[2026-05-25 06:46:43] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 43 ms
TRAPS : Iteration 1
[2026-05-25 06:46:43] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 105 ms
TRAPS : Iteration 2
[2026-05-25 06:46:43] [INFO ] After 1001ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :4
[2026-05-25 06:46:43] [INFO ] After 1183ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :4
Over-approximation ignoring read arcs solved 0 properties in 1334 ms.
Knowledge based reduction with 15 factoid took 275 ms. Reduced automaton from 5 states, 11 edges and 4 AP (stutter sensitive) to 5 states, 11 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 195 ms :[(AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p1) (NOT p3)), (NOT p3), (AND (NOT p1) (NOT p3))]
Knowledge-based reduction took 73662 ms.
Stuttering acceptance computed with spot in 183 ms :[(AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p1) (NOT p3)), (NOT p3), (AND (NOT p1) (NOT p3))]
Stuttering acceptance computed with spot in 187 ms :[(AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p1) (NOT p3)), (NOT p3), (AND (NOT p1) (NOT p3))]
Product exploration explored 100000 steps with 4933 reset in 359 ms.
Product exploration explored 100000 steps with 4881 reset in 322 ms.
Spot run failed in 97 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/ltsmin15988555076770711782
[2026-05-25 06:46:45] [INFO ] Built C files in 27ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin15988555076770711782
Running compilation step : cd /tmp/ltsmin15988555076770711782;'/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 646 ms.
Running link step : cd /tmp/ltsmin15988555076770711782;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 67 ms.
Running LTSmin : cd /tmp/ltsmin15988555076770711782;'/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/stateBased7356095998784630361.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 6 out of 203 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 203/203 places, 151/151 transitions.
Applied a total of 0 rules in 2 ms. Remains 203 /203 variables (removed 0) and now considering 151/151 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1268005463283605941.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18228734946077464680.kers'
[2026-05-25 06:47:00] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1268005463283605941.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18228734946077464680.kers]
Culling duplicate invariants (modulo rational): removing 22 columns.
Culled 22 columns in 0 ms.
// Phase 1: matrix 151 rows 181 cols 610 entries
Finished phase 1 with 89 SingleSign rule and 56 generalized
[2026-05-25 06:47:00] [INFO ] Computed 58 invariants in 1 ms
Computed 58 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-18228734946077464680.kers
Total runtime 2 ms.
[2026-05-25 06:47:00] [INFO ] Implicit Places using invariants in 257 ms returned []
[2026-05-25 06:47:00] [INFO ] Invariant cache hit.
[2026-05-25 06:47:00] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 06:47:01] [INFO ] Implicit Places using invariants and state equation in 716 ms returned []
Implicit Place search using SMT with State Equation took 976 ms to find 0 implicit places.
Running 147 sub problems to find dead transitions.
[2026-05-25 06:47:01] [INFO ] Invariant cache hit.
[2026-05-25 06:47:01] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/199 variables, 30/30 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/199 variables, 10/40 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/199 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 3 (OVERLAPS) 2/201 variables, 6/46 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 1/47 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 147 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 1/202 variables, 11/58 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/202 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 8 (OVERLAPS) 151/353 variables, 202/260 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/353 variables, 6/266 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/353 variables, 2/268 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/353 variables, 4/272 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/353 variables, 0/272 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 13 (OVERLAPS) 1/354 variables, 1/273 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/354 variables, 0/273 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 15 (OVERLAPS) 0/354 variables, 0/273 constraints. Problems are: Problem set: 0 solved, 147 unsolved
No progress, stopping.
After SMT solving in domain Real declared 354/354 variables, and 273 constraints, problems are : Problem set: 0 solved, 147 unsolved in 19207 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 22/22 constraints, State Equation: 203/203 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 147/147 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 147 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/199 variables, 30/30 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/199 variables, 10/40 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/199 variables, 4/44 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/199 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 4 (OVERLAPS) 2/201 variables, 6/50 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 1/51 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/201 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 7 (OVERLAPS) 1/202 variables, 11/62 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/202 variables, 2/64 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/202 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 10 (OVERLAPS) 151/353 variables, 202/266 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/353 variables, 6/272 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/353 variables, 147/419 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/353 variables, 2/421 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/353 variables, 1/422 constraints. Problems are: Problem set: 0 solved, 147 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 353/354 variables, and 422 constraints, problems are : Problem set: 0 solved, 147 unsolved in 30011 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 22/22 constraints, State Equation: 202/203 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 147/147 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 49249ms problems are : Problem set: 0 solved, 147 unsolved
Search for dead transitions found 0 dead transitions in 49250ms
Finished structural reductions in LTL mode , in 1 iterations and 50229 ms. Remains : 203/203 places, 151/151 transitions.
Built C files in :
/tmp/ltsmin15600464757307432684
[2026-05-25 06:47:50] [INFO ] Built C files in 5ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin15600464757307432684
Running compilation step : cd /tmp/ltsmin15600464757307432684;'/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 478 ms.
Running link step : cd /tmp/ltsmin15600464757307432684;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 33 ms.
Running LTSmin : cd /tmp/ltsmin15600464757307432684;'/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/stateBased17720977583867333447.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2026-05-25 06:48:05] [INFO ] Flatten gal took : 19 ms
[2026-05-25 06:48:05] [INFO ] Flatten gal took : 18 ms
[2026-05-25 06:48:05] [INFO ] Time to serialize gal into /tmp/LTL15586961747966321282.gal : 5 ms
[2026-05-25 06:48:05] [INFO ] Time to serialize properties into /tmp/LTL17409960621799730109.prop : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL15586961747966321282.gal' '-t' 'CGAL' '-hoa' '/tmp/aut5047802859923117398.hoa' '-atoms' '/tmp/LTL17409960621799730109.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...319
Loading property file /tmp/LTL17409960621799730109.prop.
Loaded 4 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut5047802859923117398.hoa
Detected timeout of ITS tools.
[2026-05-25 06:48:20] [INFO ] Flatten gal took : 18 ms
[2026-05-25 06:48:20] [INFO ] Flatten gal took : 17 ms
[2026-05-25 06:48:20] [INFO ] Time to serialize gal into /tmp/LTL16485335750794029793.gal : 4 ms
[2026-05-25 06:48:20] [INFO ] Time to serialize properties into /tmp/LTL5076395305510681693.ltl : 17 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/LTL16485335750794029793.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL5076395305510681693.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...276
Read 1 LTL properties
Checking formula 0 : !((((F(("((p88==1)&&(p110==1))")&&(F("(p260==1)"))))||(G("((p9!=1)||(p211!=1))")))||(F(G("((p80!=1)||(p110!=1))")))))
Formula 0 simplified : F!"((p9!=1)||(p211!=1))" & G((!"((p88==1)&&(p110==1))" | G!"(p260==1)") & F!"((p80!=1)||(p110!=1))")
Detected timeout of ITS tools.
[2026-05-25 06:48:35] [INFO ] Flatten gal took : 16 ms
[2026-05-25 06:48:35] [INFO ] Applying decomposition
[2026-05-25 06:48:35] [INFO ] Flatten gal took : 22 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph2838357201682184423.txt' '-o' '/tmp/graph2838357201682184423.bin' '-w' '/tmp/graph2838357201682184423.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph2838357201682184423.bin' '-l' '-1' '-v' '-w' '/tmp/graph2838357201682184423.weights' '-q' '0' '-e' '0.001'
[2026-05-25 06:48:35] [INFO ] Decomposing Gal with order
[2026-05-25 06:48:35] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 06:48:35] [INFO ] Removed a total of 45 redundant transitions.
[2026-05-25 06:48:35] [INFO ] Flatten gal took : 98 ms
[2026-05-25 06:48:36] [INFO ] Fuse similar labels procedure discarded/fused a total of 16 labels/synchronizations in 13 ms.
[2026-05-25 06:48:36] [INFO ] Time to serialize gal into /tmp/LTL7528429408330909161.gal : 7 ms
[2026-05-25 06:48:36] [INFO ] Time to serialize properties into /tmp/LTL18263491977365389069.ltl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL7528429408330909161.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL18263491977365389069.ltl' '-c' '-stutter-deadlock'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...255
Read 1 LTL properties
Checking formula 0 : !((((F(("((u2.p88==1)&&(u2.p110==1))")&&(F("(i9.i0.u21.p260==1)"))))||(G("((u10.p9!=1)||(u10.p211!=1))")))||(F(G("((u2.p80!=1)||(u2.p1...168
Formula 0 simplified : F!"((u10.p9!=1)||(u10.p211!=1))" & G((!"((u2.p88==1)&&(u2.p110==1))" | G!"(i9.i0.u21.p260==1)") & F!"((u2.p80!=1)||(u2.p110!=1))")
Reverse transition relation is NOT exact ! Due to transitions t118_t124, t254_t79, t7_t48_t39, t222_t34, t221_t25, t108_t109_t123_t260_t129_t130_t126_t127_...670
Computing Next relation with stutter on 2.94147e+07 deadlock states
Detected timeout of ITS tools.
Treatment of property DES-PT-20b-LTLFireability-04 finished in 375152 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&(X(X(p1)) U ((X(X(p1))&&G(p2))||X(X(G(p1)))))))'
Support contains 4 out of 318 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 318/318 places, 261/261 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 315 transition count 258
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 315 transition count 258
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 8 place count 313 transition count 256
Iterating global reduction 0 with 2 rules applied. Total rules applied 10 place count 313 transition count 256
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 12 place count 313 transition count 254
Applied a total of 12 rules in 15 ms. Remains 313 /318 variables (removed 5) and now considering 254/261 (removed 7) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17581168751598229217.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16303698942278632986.kers'
[2026-05-25 06:48:51] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17581168751598229217.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16303698942278632986.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 254 rows 313 cols 839 entries
Finished phase 1 with 170 SingleSign rule and 82 generalized
[2026-05-25 06:48:51] [INFO ] Computed 61 invariants in 2 ms
Computed 61 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-16303698942278632986.kers
Total runtime 3 ms.
[2026-05-25 06:48:51] [INFO ] Implicit Places using invariants in 243 ms returned []
[2026-05-25 06:48:51] [INFO ] Invariant cache hit.
[2026-05-25 06:48:51] [INFO ] Implicit Places using invariants and state equation in 636 ms returned []
Implicit Place search using SMT with State Equation took 881 ms to find 0 implicit places.
Running 253 sub problems to find dead transitions.
[2026-05-25 06:48:51] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/312 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/312 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 2 (OVERLAPS) 1/313 variables, 35/53 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/313 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/313 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 5 (OVERLAPS) 254/567 variables, 313/374 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/567 variables, 20/394 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/567 variables, 7/401 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/567 variables, 7/408 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 567/567 variables, and 408 constraints, problems are : Problem set: 0 solved, 253 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 313/313 constraints, PredecessorRefiner: 253/253 constraints, Known Traps: 34/34 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 253 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/312 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/312 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 2 (OVERLAPS) 1/313 variables, 35/53 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/313 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/313 variables, 34/95 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/313 variables, 16/111 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/313 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 7 (OVERLAPS) 254/567 variables, 313/424 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/567 variables, 253/677 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 567/567 variables, and 682 constraints, problems are : Problem set: 0 solved, 253 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 313/313 constraints, PredecessorRefiner: 253/253 constraints, Known Traps: 55/55 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60059ms problems are : Problem set: 0 solved, 253 unsolved
Search for dead transitions found 0 dead transitions in 60060ms
Starting structural reductions in LTL mode, iteration 1 : 313/318 places, 254/261 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60958 ms. Remains : 313/318 places, 254/261 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&(X(X(p1)) U ((X(X(p1))&&G(p2))||X(X(G(p1)))))))'
Stuttering acceptance computed with spot in 342 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), true, (AND (NOT p2) (NOT p1)), (AND (NOT p2) p1)]
Running random walk in product with property : DES-PT-20b-LTLFireability-06
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA DES-PT-20b-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DES-PT-20b-LTLFireability-06 finished in 61358 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 3 out of 318 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 318/318 places, 261/261 transitions.
Graph (complete) has 658 edges and 318 vertex of which 312 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.2 ms
Discarding 6 places :
Also discarding 4 output transitions
Drop transitions (Output transitions of discarded places.) removed 4 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 13 transitions
Trivial Post-agglo rules discarded 13 transitions
Performed 13 trivial Post agglomeration. Transition count delta: 13
Iterating post reduction 0 with 13 rules applied. Total rules applied 14 place count 311 transition count 243
Reduce places removed 13 places and 0 transitions.
Iterating post reduction 1 with 13 rules applied. Total rules applied 27 place count 298 transition count 243
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 12 Pre rules applied. Total rules applied 27 place count 298 transition count 231
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 2 with 24 rules applied. Total rules applied 51 place count 286 transition count 231
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 53 place count 284 transition count 229
Iterating global reduction 2 with 2 rules applied. Total rules applied 55 place count 284 transition count 229
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 57 place count 282 transition count 227
Iterating global reduction 2 with 2 rules applied. Total rules applied 59 place count 282 transition count 227
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 61 place count 282 transition count 225
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 61 place count 282 transition count 223
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 65 place count 280 transition count 223
Performed 74 Post agglomeration using F-continuation condition.Transition count delta: 74
Deduced a syphon composed of 74 places in 0 ms
Reduce places removed 74 places and 0 transitions.
Iterating global reduction 3 with 148 rules applied. Total rules applied 213 place count 206 transition count 149
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 217 place count 204 transition count 151
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 219 place count 202 transition count 149
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 220 place count 201 transition count 149
Applied a total of 220 rules in 61 ms. Remains 201 /318 variables (removed 117) and now considering 149/261 (removed 112) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8039197668635787929.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18081940224487109130.kers'
[2026-05-25 06:49:52] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8039197668635787929.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18081940224487109130.kers]
Culling duplicate invariants (modulo rational): removing 8 columns.
Culled 8 columns in 0 ms.
// Phase 1: matrix 149 rows 193 cols 662 entries
Finished phase 1 with 65 SingleSign rule and 78 generalized
[2026-05-25 06:49:52] [INFO ] Computed 58 invariants in 2 ms
Computed 58 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-18081940224487109130.kers
Total runtime 3 ms.
[2026-05-25 06:49:52] [INFO ] Implicit Places using invariants in 249 ms returned []
[2026-05-25 06:49:52] [INFO ] Invariant cache hit.
[2026-05-25 06:49:53] [INFO ] Implicit Places using invariants and state equation in 384 ms returned []
Implicit Place search using SMT with State Equation took 640 ms to find 0 implicit places.
[2026-05-25 06:49:53] [INFO ] Redundant transitions in 1 ms returned []
Running 146 sub problems to find dead transitions.
[2026-05-25 06:49:53] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/198 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/198 variables, 11/20 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/198 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 3 (OVERLAPS) 1/199 variables, 23/43 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/199 variables, 3/46 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/199 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 146 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 1/200 variables, 12/58 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/200 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 8 (OVERLAPS) 149/349 variables, 200/258 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/349 variables, 3/261 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/349 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 11 (OVERLAPS) 1/350 variables, 1/262 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/350 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/350 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/350 variables, 1/266 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/350 variables, 0/266 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 16 (OVERLAPS) 0/350 variables, 0/266 constraints. Problems are: Problem set: 0 solved, 146 unsolved
No progress, stopping.
After SMT solving in domain Real declared 350/350 variables, and 266 constraints, problems are : Problem set: 0 solved, 146 unsolved in 17715 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 201/201 constraints, PredecessorRefiner: 146/146 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 146 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/198 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/198 variables, 11/20 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/198 variables, 6/26 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/198 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 4 (OVERLAPS) 1/199 variables, 23/49 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/199 variables, 3/52 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/199 variables, 1/53 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/199 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 8 (OVERLAPS) 1/200 variables, 12/65 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/200 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 10 (OVERLAPS) 149/349 variables, 200/265 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/349 variables, 146/411 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/349 variables, 1/412 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 349/350 variables, and 412 constraints, problems are : Problem set: 0 solved, 146 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 200/201 constraints, PredecessorRefiner: 146/146 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 47759ms problems are : Problem set: 0 solved, 146 unsolved
Search for dead transitions found 0 dead transitions in 47760ms
Starting structural reductions in SI_LTL mode, iteration 1 : 201/318 places, 149/261 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 48468 ms. Remains : 201/318 places, 149/261 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Stuttering acceptance computed with spot in 40 ms :[(NOT p0)]
Running random walk in product with property : DES-PT-20b-LTLFireability-07
Stuttering criterion allowed to conclude after 38 steps with 0 reset in 0 ms.
FORMULA DES-PT-20b-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DES-PT-20b-LTLFireability-07 finished in 48537 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((p0||X(F((X(F(p2))&&p1)))))))'
Support contains 3 out of 318 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 318/318 places, 261/261 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 315 transition count 258
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 315 transition count 258
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 8 place count 313 transition count 256
Iterating global reduction 0 with 2 rules applied. Total rules applied 10 place count 313 transition count 256
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 12 place count 313 transition count 254
Applied a total of 12 rules in 15 ms. Remains 313 /318 variables (removed 5) and now considering 254/261 (removed 7) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9219040463371093745.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14703673199642420794.kers'
[2026-05-25 06:50:40] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9219040463371093745.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14703673199642420794.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 254 rows 313 cols 839 entries
Finished phase 1 with 170 SingleSign rule and 82 generalized
[2026-05-25 06:50:40] [INFO ] Computed 61 invariants in 2 ms
Computed 61 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-14703673199642420794.kers
Total runtime 4 ms.
[2026-05-25 06:50:41] [INFO ] Implicit Places using invariants in 303 ms returned []
[2026-05-25 06:50:41] [INFO ] Invariant cache hit.
[2026-05-25 06:50:41] [INFO ] Implicit Places using invariants and state equation in 656 ms returned []
Implicit Place search using SMT with State Equation took 962 ms to find 0 implicit places.
Running 253 sub problems to find dead transitions.
[2026-05-25 06:50:41] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/312 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/312 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 2 (OVERLAPS) 1/313 variables, 35/53 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/313 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/313 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 5 (OVERLAPS) 254/567 variables, 313/374 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/567 variables, 20/394 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/567 variables, 7/401 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/567 variables, 7/408 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 9 (INCLUDED_ONLY) 0/567 variables, 7/415 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 567/567 variables, and 415 constraints, problems are : Problem set: 0 solved, 253 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 313/313 constraints, PredecessorRefiner: 253/253 constraints, Known Traps: 41/41 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 253 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/312 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/312 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 2 (OVERLAPS) 1/313 variables, 35/53 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/313 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/313 variables, 41/102 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/313 variables, 5/107 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/313 variables, 1/108 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/313 variables, 2/110 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/313 variables, 5/115 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/313 variables, 3/118 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/313 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 11 (OVERLAPS) 254/567 variables, 313/431 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/567 variables, 253/684 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 567/567 variables, and 684 constraints, problems are : Problem set: 0 solved, 253 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 313/313 constraints, PredecessorRefiner: 253/253 constraints, Known Traps: 57/57 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60063ms problems are : Problem set: 0 solved, 253 unsolved
Search for dead transitions found 0 dead transitions in 60064ms
Starting structural reductions in LTL mode, iteration 1 : 313/318 places, 254/261 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61042 ms. Remains : 313/318 places, 254/261 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((X(F(p1))&&p0)))||p2))))'
Stuttering acceptance computed with spot in 212 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (NOT p1), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : DES-PT-20b-LTLFireability-08
Stuttering criterion allowed to conclude after 116 steps with 0 reset in 1 ms.
FORMULA DES-PT-20b-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DES-PT-20b-LTLFireability-08 finished in 61291 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F((G(F(((X(!p0)&&F(!p1))||G(!p0))))||(G(!p1)&&X(F(((X(!p0)&&F(!p1))||G(!p0))))))))))'
Support contains 4 out of 318 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 318/318 places, 261/261 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 315 transition count 258
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 315 transition count 258
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 8 place count 313 transition count 256
Iterating global reduction 0 with 2 rules applied. Total rules applied 10 place count 313 transition count 256
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 12 place count 313 transition count 254
Applied a total of 12 rules in 18 ms. Remains 313 /318 variables (removed 5) and now considering 254/261 (removed 7) transitions.
[2026-05-25 06:51:42] [INFO ] Invariant cache hit.
[2026-05-25 06:51:42] [INFO ] Implicit Places using invariants in 419 ms returned []
[2026-05-25 06:51:42] [INFO ] Invariant cache hit.
[2026-05-25 06:51:43] [INFO ] Implicit Places using invariants and state equation in 986 ms returned []
Implicit Place search using SMT with State Equation took 1416 ms to find 0 implicit places.
Skipped dead transition search.
Starting structural reductions in LTL mode, iteration 1 : 313/318 places, 254/261 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1435 ms. Remains : 313/318 places, 254/261 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F((G(F(((X(p0)&&F(p1))||G(p0))))||(G(p1)&&X(F(((X(p0)&&F(p1))||G(p0))))))))))'
Stuttering acceptance computed with spot in 419 ms :[(NOT p0), (AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0)), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : DES-PT-20b-LTLFireability-10
Product exploration explored 100000 steps with 1726 reset in 315 ms.
Product exploration explored 100000 steps with 1673 reset in 370 ms.
Computed a total of 136 stabilizing places and 129 stable transitions
Graph (complete) has 647 edges and 313 vertex of which 308 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.5 ms
Computed a total of 136 stabilizing places and 129 stable transitions
Detected a total of 136/313 stabilizing places and 129/254 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/2 atomic propositions.
Knowledge based reduction with 6 factoid took 112 ms. Reduced automaton from 8 states, 20 edges and 2 AP (stutter sensitive) to 8 states, 20 edges and 2 AP (stutter sensitive).
RANDOM walk for 40000 steps (354 resets) in 251 ms. (158 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (51 resets) in 98 ms. (404 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (50 resets) in 80 ms. (493 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (55 resets) in 65 ms. (606 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (47 resets) in 80 ms. (493 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (47 resets) in 73 ms. (540 steps per ms) remains 5/5 properties
Interrupted probabilistic random walk after 457917 steps, run timeout after 3001 ms. (steps per millisecond=152 ) properties seen :0 out of 5
Probabilistic random walk after 457917 steps, saw 80020 distinct states, run finished after 3004 ms. (steps per millisecond=152 ) properties seen :0
[2026-05-25 06:51:48] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 14/18 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 142/160 variables, 32/35 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/160 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 131/291 variables, 24/59 constraints. Problems are: Problem set: 0 solved, 5 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/291 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 6/297 variables, 2/61 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/297 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (OVERLAPS) 241/538 variables, 297/358 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/538 variables, 0/358 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (OVERLAPS) 19/557 variables, 11/369 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/557 variables, 0/369 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (OVERLAPS) 6/563 variables, 3/372 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/563 variables, 0/372 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 15 (OVERLAPS) 2/565 variables, 1/373 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/565 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 17 (OVERLAPS) 2/567 variables, 1/374 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/567 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 19 (OVERLAPS) 0/567 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 567/567 variables, and 374 constraints, problems are : Problem set: 0 solved, 5 unsolved in 1251 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 313/313 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 14/18 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 142/160 variables, 32/35 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/160 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 131/291 variables, 24/59 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/291 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/291 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 6/297 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/297 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (OVERLAPS) 241/538 variables, 297/359 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/538 variables, 5/364 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/538 variables, 4/368 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/538 variables, 1/369 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 538/567 variables, and 377 constraints, problems are : Problem set: 0 solved, 5 unsolved in 5010 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 297/313 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 6268ms problems are : Problem set: 0 solved, 5 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 4 out of 313 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 313/313 places, 254/254 transitions.
Graph (complete) has 647 edges and 313 vertex of which 308 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.1 ms
Discarding 5 places :
Also discarding 3 output transitions
Drop transitions (Output transitions of discarded places.) removed 3 transitions
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 17 transitions
Trivial Post-agglo rules discarded 17 transitions
Performed 17 trivial Post agglomeration. Transition count delta: 17
Iterating post reduction 0 with 19 rules applied. Total rules applied 20 place count 308 transition count 232
Reduce places removed 17 places and 0 transitions.
Iterating post reduction 1 with 17 rules applied. Total rules applied 37 place count 291 transition count 232
Performed 11 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 11 Pre rules applied. Total rules applied 37 place count 291 transition count 221
Deduced a syphon composed of 11 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 2 with 22 rules applied. Total rules applied 59 place count 280 transition count 221
Performed 75 Post agglomeration using F-continuation condition.Transition count delta: 75
Deduced a syphon composed of 75 places in 0 ms
Reduce places removed 75 places and 0 transitions.
Iterating global reduction 2 with 150 rules applied. Total rules applied 209 place count 205 transition count 146
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 213 place count 203 transition count 148
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 2 with 1 rules applied. Total rules applied 214 place count 203 transition count 147
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 215 place count 202 transition count 147
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 216 place count 201 transition count 146
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 217 place count 200 transition count 146
Applied a total of 217 rules in 51 ms. Remains 200 /313 variables (removed 113) and now considering 146/254 (removed 108) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 51 ms. Remains : 200/313 places, 146/254 transitions.
RANDOM walk for 40000 steps (1798 resets) in 761 ms. (52 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (357 resets) in 163 ms. (243 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (353 resets) in 167 ms. (238 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (350 resets) in 152 ms. (261 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (320 resets) in 236 ms. (168 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (316 resets) in 179 ms. (222 steps per ms) remains 5/5 properties
Interrupted probabilistic random walk after 666733 steps, run timeout after 3001 ms. (steps per millisecond=222 ) properties seen :0 out of 5
Probabilistic random walk after 666733 steps, saw 91748 distinct states, run finished after 3001 ms. (steps per millisecond=222 ) 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-4676350807606641529.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7989179672976435198.kers'
[2026-05-25 06:51:58] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4676350807606641529.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7989179672976435198.kers]
Culling duplicate invariants (modulo rational): removing 23 columns.
Culled 23 columns in 0 ms.
// Phase 1: matrix 146 rows 177 cols 612 entries
Finished phase 1 with 89 SingleSign rule and 51 generalized
[2026-05-25 06:51:58] [INFO ] Computed 60 invariants in 3 ms
Computed 60 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-7989179672976435198.kers
Total runtime 4 ms.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 7/11 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 16/27 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/27 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 107/134 variables, 15/24 constraints. Problems are: Problem set: 0 solved, 5 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 14/148 variables, 12/36 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/148 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (OVERLAPS) 15/163 variables, 8/44 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/163 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (OVERLAPS) 14/177 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/177 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (OVERLAPS) 146/323 variables, 177/235 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/323 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 15 (OVERLAPS) 23/346 variables, 23/258 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/346 variables, 2/260 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/346 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 18 (OVERLAPS) 0/346 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 346/346 variables, and 260 constraints, problems are : Problem set: 0 solved, 5 unsolved in 698 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 23/23 constraints, State Equation: 200/200 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 7/11 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 16/27 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/27 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 107/134 variables, 15/24 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 14/148 variables, 12/36 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/148 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (OVERLAPS) 15/163 variables, 8/44 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/163 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (OVERLAPS) 14/177 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/177 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (OVERLAPS) 146/323 variables, 177/235 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/323 variables, 1/236 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/323 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 16 (OVERLAPS) 23/346 variables, 23/259 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/346 variables, 2/261 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/346 variables, 4/265 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/346 variables, 1/266 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/346 variables, 0/266 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 21 (OVERLAPS) 0/346 variables, 0/266 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 346/346 variables, and 266 constraints, problems are : Problem set: 0 solved, 5 unsolved in 1583 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 23/23 constraints, State Equation: 200/200 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2295ms problems are : Problem set: 0 solved, 5 unsolved
Fused 5 Parikh solutions to 3 different solutions.
Parikh walk visited 0 properties in 2745 ms.
Support contains 4 out of 200 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 200/200 places, 146/146 transitions.
Applied a total of 0 rules in 5 ms. Remains 200 /200 variables (removed 0) and now considering 146/146 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 200/200 places, 146/146 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 200/200 places, 146/146 transitions.
Applied a total of 0 rules in 4 ms. Remains 200 /200 variables (removed 0) and now considering 146/146 (removed 0) transitions.
[2026-05-25 06:52:03] [INFO ] Invariant cache hit.
[2026-05-25 06:52:03] [INFO ] Implicit Places using invariants in 221 ms returned []
[2026-05-25 06:52:03] [INFO ] Invariant cache hit.
[2026-05-25 06:52:03] [INFO ] Implicit Places using invariants and state equation in 395 ms returned []
Implicit Place search using SMT with State Equation took 620 ms to find 0 implicit places.
[2026-05-25 06:52:03] [INFO ] Redundant transitions in 1 ms returned []
Running 143 sub problems to find dead transitions.
[2026-05-25 06:52:03] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/197 variables, 30/30 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/197 variables, 9/39 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/197 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 3 (OVERLAPS) 1/198 variables, 7/46 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/198 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 5 (OVERLAPS) 2/200 variables, 14/60 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/200 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 7 (OVERLAPS) 146/346 variables, 200/260 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/346 variables, 5/265 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/346 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 10 (OVERLAPS) 0/346 variables, 1/266 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/346 variables, 0/266 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 12 (OVERLAPS) 0/346 variables, 1/267 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/346 variables, 0/267 constraints. Problems are: Problem set: 0 solved, 143 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 346/346 variables, and 267 constraints, problems are : Problem set: 0 solved, 143 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 23/23 constraints, State Equation: 200/200 constraints, PredecessorRefiner: 143/143 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 143 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/197 variables, 30/30 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/197 variables, 9/39 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/197 variables, 5/44 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/197 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 4 (OVERLAPS) 1/198 variables, 7/51 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/198 variables, 1/52 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/198 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 7 (OVERLAPS) 2/200 variables, 14/66 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/200 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 9 (OVERLAPS) 146/346 variables, 200/266 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/346 variables, 143/409 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/346 variables, 1/410 constraints. Problems are: Problem set: 0 solved, 143 unsolved
SMT process timed out in 60054ms, After SMT, problems are : Problem set: 0 solved, 143 unsolved
Search for dead transitions found 0 dead transitions in 60055ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60690 ms. Remains : 200/200 places, 146/146 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 5 ms. Remains 200 /200 variables (removed 0) and now considering 146/146 (removed 0) transitions.
Running SMT prover for 5 properties.
[2026-05-25 06:53:04] [INFO ] Invariant cache hit.
[2026-05-25 06:53:04] [INFO ] [Real]Absence check using 37 positive place invariants in 14 ms returned sat
[2026-05-25 06:53:04] [INFO ] [Real]Absence check using 37 positive and 23 generalized place invariants in 27 ms returned sat
[2026-05-25 06:53:04] [INFO ] After 174ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2026-05-25 06:53:04] [INFO ] [Nat]Absence check using 37 positive place invariants in 14 ms returned sat
[2026-05-25 06:53:04] [INFO ] [Nat]Absence check using 37 positive and 23 generalized place invariants in 26 ms returned sat
[2026-05-25 06:53:04] [INFO ] After 233ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :5
TRAPS : Iteration 0
[2026-05-25 06:53:04] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 77 ms
TRAPS : Iteration 1
[2026-05-25 06:53:04] [INFO ] After 581ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :5
[2026-05-25 06:53:05] [INFO ] After 867ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :5
Over-approximation ignoring read arcs solved 0 properties in 1051 ms.
Knowledge based reduction with 6 factoid took 127 ms. Reduced automaton from 8 states, 20 edges and 2 AP (stutter sensitive) to 8 states, 20 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 407 ms :[(NOT p0), (AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0)), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Knowledge-based reduction took 80734 ms.
Stuttering acceptance computed with spot in 405 ms :[(NOT p0), (AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0)), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 4 out of 313 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 313/313 places, 254/254 transitions.
Applied a total of 0 rules in 7 ms. Remains 313 /313 variables (removed 0) and now considering 254/254 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-947912773442896658.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4411523711397542406.kers'
[2026-05-25 06:53:06] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-947912773442896658.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4411523711397542406.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 254 rows 313 cols 839 entries
Finished phase 1 with 170 SingleSign rule and 82 generalized
[2026-05-25 06:53:06] [INFO ] Computed 61 invariants in 3 ms
Computed 61 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-4411523711397542406.kers
Total runtime 4 ms.
[2026-05-25 06:53:06] [INFO ] Implicit Places using invariants in 443 ms returned []
[2026-05-25 06:53:06] [INFO ] Invariant cache hit.
[2026-05-25 06:53:07] [INFO ] Implicit Places using invariants and state equation in 1045 ms returned []
Implicit Place search using SMT with State Equation took 1490 ms to find 0 implicit places.
Running 253 sub problems to find dead transitions.
[2026-05-25 06:53:07] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/312 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/312 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 2 (OVERLAPS) 1/313 variables, 35/53 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/313 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/313 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 5 (OVERLAPS) 254/567 variables, 313/374 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/567 variables, 20/394 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/567 variables, 7/401 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/567 variables, 7/408 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 567/567 variables, and 408 constraints, problems are : Problem set: 0 solved, 253 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 313/313 constraints, PredecessorRefiner: 253/253 constraints, Known Traps: 34/34 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 253 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/312 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/312 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 2 (OVERLAPS) 1/313 variables, 35/53 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/313 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/313 variables, 34/95 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/313 variables, 16/111 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/313 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 7 (OVERLAPS) 254/567 variables, 313/424 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/567 variables, 253/677 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 567/567 variables, and 682 constraints, problems are : Problem set: 0 solved, 253 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 313/313 constraints, PredecessorRefiner: 253/253 constraints, Known Traps: 55/55 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60061ms problems are : Problem set: 0 solved, 253 unsolved
Search for dead transitions found 0 dead transitions in 60062ms
Finished structural reductions in LTL mode , in 1 iterations and 61561 ms. Remains : 313/313 places, 254/254 transitions.
Computed a total of 136 stabilizing places and 129 stable transitions
Graph (complete) has 647 edges and 313 vertex of which 308 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.4 ms
Computed a total of 136 stabilizing places and 129 stable transitions
Detected a total of 136/313 stabilizing places and 129/254 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/2 atomic propositions.
Knowledge based reduction with 6 factoid took 100 ms. Reduced automaton from 8 states, 20 edges and 2 AP (stutter sensitive) to 8 states, 20 edges and 2 AP (stutter sensitive).
RANDOM walk for 40000 steps (351 resets) in 179 ms. (222 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (53 resets) in 123 ms. (322 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (50 resets) in 96 ms. (412 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (54 resets) in 79 ms. (500 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (44 resets) in 82 ms. (481 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (47 resets) in 49 ms. (800 steps per ms) remains 5/5 properties
Interrupted probabilistic random walk after 511686 steps, run timeout after 3001 ms. (steps per millisecond=170 ) properties seen :0 out of 5
Probabilistic random walk after 511686 steps, saw 88147 distinct states, run finished after 3001 ms. (steps per millisecond=170 ) properties seen :0
[2026-05-25 06:54:10] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 14/18 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 142/160 variables, 32/35 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/160 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 131/291 variables, 24/59 constraints. Problems are: Problem set: 0 solved, 5 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/291 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 6/297 variables, 2/61 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/297 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (OVERLAPS) 241/538 variables, 297/358 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/538 variables, 0/358 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (OVERLAPS) 19/557 variables, 11/369 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/557 variables, 0/369 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (OVERLAPS) 6/563 variables, 3/372 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/563 variables, 0/372 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 15 (OVERLAPS) 2/565 variables, 1/373 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/565 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 17 (OVERLAPS) 2/567 variables, 1/374 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/567 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 19 (OVERLAPS) 0/567 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 567/567 variables, and 374 constraints, problems are : Problem set: 0 solved, 5 unsolved in 1133 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 313/313 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 14/18 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 142/160 variables, 32/35 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/160 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 131/291 variables, 24/59 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/291 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/291 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 6/297 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/297 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (OVERLAPS) 241/538 variables, 297/359 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/538 variables, 5/364 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/538 variables, 4/368 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/538 variables, 1/369 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/538 variables, 8/377 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/538 variables, 1/378 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/538 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 17 (OVERLAPS) 19/557 variables, 11/389 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 557/567 variables, and 389 constraints, problems are : Problem set: 0 solved, 5 unsolved in 5007 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 308/313 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 6146ms problems are : Problem set: 0 solved, 5 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 4 out of 313 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 313/313 places, 254/254 transitions.
Graph (complete) has 647 edges and 313 vertex of which 308 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.0 ms
Discarding 5 places :
Also discarding 3 output transitions
Drop transitions (Output transitions of discarded places.) removed 3 transitions
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 17 transitions
Trivial Post-agglo rules discarded 17 transitions
Performed 17 trivial Post agglomeration. Transition count delta: 17
Iterating post reduction 0 with 19 rules applied. Total rules applied 20 place count 308 transition count 232
Reduce places removed 17 places and 0 transitions.
Iterating post reduction 1 with 17 rules applied. Total rules applied 37 place count 291 transition count 232
Performed 11 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 11 Pre rules applied. Total rules applied 37 place count 291 transition count 221
Deduced a syphon composed of 11 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 2 with 22 rules applied. Total rules applied 59 place count 280 transition count 221
Performed 75 Post agglomeration using F-continuation condition.Transition count delta: 75
Deduced a syphon composed of 75 places in 0 ms
Reduce places removed 75 places and 0 transitions.
Iterating global reduction 2 with 150 rules applied. Total rules applied 209 place count 205 transition count 146
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 213 place count 203 transition count 148
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 2 with 1 rules applied. Total rules applied 214 place count 203 transition count 147
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 215 place count 202 transition count 147
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 216 place count 201 transition count 146
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 217 place count 200 transition count 146
Applied a total of 217 rules in 34 ms. Remains 200 /313 variables (removed 113) and now considering 146/254 (removed 108) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34 ms. Remains : 200/313 places, 146/254 transitions.
RANDOM walk for 40000 steps (1817 resets) in 215 ms. (185 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (322 resets) in 94 ms. (421 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (342 resets) in 88 ms. (449 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (369 resets) in 73 ms. (540 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (324 resets) in 108 ms. (367 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (333 resets) in 79 ms. (500 steps per ms) remains 5/5 properties
Interrupted probabilistic random walk after 692186 steps, run timeout after 3001 ms. (steps per millisecond=230 ) properties seen :0 out of 5
Probabilistic random walk after 692186 steps, saw 94926 distinct states, run finished after 3001 ms. (steps per millisecond=230 ) 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-7759692094881655826.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4746600768545046670.kers'
[2026-05-25 06:54:20] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7759692094881655826.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4746600768545046670.kers]
Culling duplicate invariants (modulo rational): removing 23 columns.
Culled 23 columns in 0 ms.
// Phase 1: matrix 146 rows 177 cols 612 entries
Finished phase 1 with 89 SingleSign rule and 51 generalized
[2026-05-25 06:54:20] [INFO ] Computed 60 invariants in 2 ms
Computed 60 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-4746600768545046670.kers
Total runtime 3 ms.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 7/11 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 16/27 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/27 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 107/134 variables, 15/24 constraints. Problems are: Problem set: 0 solved, 5 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 14/148 variables, 12/36 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/148 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (OVERLAPS) 15/163 variables, 8/44 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/163 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (OVERLAPS) 14/177 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/177 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (OVERLAPS) 146/323 variables, 177/235 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/323 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 15 (OVERLAPS) 23/346 variables, 23/258 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/346 variables, 2/260 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/346 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 18 (OVERLAPS) 0/346 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 346/346 variables, and 260 constraints, problems are : Problem set: 0 solved, 5 unsolved in 434 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 23/23 constraints, State Equation: 200/200 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 7/11 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 16/27 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/27 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 107/134 variables, 15/24 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 14/148 variables, 12/36 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/148 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (OVERLAPS) 15/163 variables, 8/44 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/163 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (OVERLAPS) 14/177 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/177 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (OVERLAPS) 146/323 variables, 177/235 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/323 variables, 1/236 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/323 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 16 (OVERLAPS) 23/346 variables, 23/259 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/346 variables, 2/261 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/346 variables, 4/265 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/346 variables, 1/266 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/346 variables, 0/266 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 21 (OVERLAPS) 0/346 variables, 0/266 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 346/346 variables, and 266 constraints, problems are : Problem set: 0 solved, 5 unsolved in 1457 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 23/23 constraints, State Equation: 200/200 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1904ms problems are : Problem set: 0 solved, 5 unsolved
Fused 5 Parikh solutions to 3 different solutions.
Parikh walk visited 0 properties in 2685 ms.
Support contains 4 out of 200 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 200/200 places, 146/146 transitions.
Applied a total of 0 rules in 5 ms. Remains 200 /200 variables (removed 0) and now considering 146/146 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 200/200 places, 146/146 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 200/200 places, 146/146 transitions.
Applied a total of 0 rules in 6 ms. Remains 200 /200 variables (removed 0) and now considering 146/146 (removed 0) transitions.
[2026-05-25 06:54:24] [INFO ] Invariant cache hit.
[2026-05-25 06:54:25] [INFO ] Implicit Places using invariants in 234 ms returned []
[2026-05-25 06:54:25] [INFO ] Invariant cache hit.
[2026-05-25 06:54:25] [INFO ] Implicit Places using invariants and state equation in 394 ms returned []
Implicit Place search using SMT with State Equation took 631 ms to find 0 implicit places.
[2026-05-25 06:54:25] [INFO ] Redundant transitions in 0 ms returned []
Running 143 sub problems to find dead transitions.
[2026-05-25 06:54:25] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/197 variables, 30/30 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/197 variables, 9/39 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/197 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 3 (OVERLAPS) 1/198 variables, 7/46 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/198 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 5 (OVERLAPS) 2/200 variables, 14/60 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/200 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 7 (OVERLAPS) 146/346 variables, 200/260 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/346 variables, 5/265 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/346 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 10 (OVERLAPS) 0/346 variables, 1/266 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/346 variables, 0/266 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 12 (OVERLAPS) 0/346 variables, 1/267 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/346 variables, 0/267 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 14 (OVERLAPS) 0/346 variables, 0/267 constraints. Problems are: Problem set: 0 solved, 143 unsolved
No progress, stopping.
After SMT solving in domain Real declared 346/346 variables, and 267 constraints, problems are : Problem set: 0 solved, 143 unsolved in 25981 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 23/23 constraints, State Equation: 200/200 constraints, PredecessorRefiner: 143/143 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 143 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/197 variables, 30/30 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/197 variables, 9/39 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/197 variables, 5/44 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/197 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 4 (OVERLAPS) 1/198 variables, 7/51 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/198 variables, 1/52 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/198 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 7 (OVERLAPS) 2/200 variables, 14/66 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/200 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 9 (OVERLAPS) 146/346 variables, 200/266 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/346 variables, 143/409 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/346 variables, 1/410 constraints. Problems are: Problem set: 0 solved, 143 unsolved
SMT process timed out in 56008ms, After SMT, problems are : Problem set: 0 solved, 143 unsolved
Search for dead transitions found 0 dead transitions in 56008ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 56654 ms. Remains : 200/200 places, 146/146 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 5 ms. Remains 200 /200 variables (removed 0) and now considering 146/146 (removed 0) transitions.
Running SMT prover for 5 properties.
[2026-05-25 06:55:21] [INFO ] Invariant cache hit.
[2026-05-25 06:55:21] [INFO ] [Real]Absence check using 37 positive place invariants in 9 ms returned sat
[2026-05-25 06:55:21] [INFO ] [Real]Absence check using 37 positive and 23 generalized place invariants in 16 ms returned sat
[2026-05-25 06:55:21] [INFO ] After 143ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2026-05-25 06:55:21] [INFO ] [Nat]Absence check using 37 positive place invariants in 16 ms returned sat
[2026-05-25 06:55:21] [INFO ] [Nat]Absence check using 37 positive and 23 generalized place invariants in 26 ms returned sat
[2026-05-25 06:55:22] [INFO ] After 252ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :5
TRAPS : Iteration 0
[2026-05-25 06:55:22] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 79 ms
TRAPS : Iteration 1
[2026-05-25 06:55:22] [INFO ] After 531ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :5
[2026-05-25 06:55:22] [INFO ] After 765ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :5
Over-approximation ignoring read arcs solved 0 properties in 916 ms.
Knowledge based reduction with 6 factoid took 87 ms. Reduced automaton from 8 states, 20 edges and 2 AP (stutter sensitive) to 8 states, 20 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 303 ms :[(NOT p0), (AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0)), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Knowledge-based reduction took 75314 ms.
Stuttering acceptance computed with spot in 302 ms :[(NOT p0), (AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0)), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 285 ms :[(NOT p0), (AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0)), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 1731 reset in 213 ms.
Product exploration explored 100000 steps with 1644 reset in 251 ms.
Spot run failed in 52 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/ltsmin15438301233338543736
[2026-05-25 06:55:24] [INFO ] Built C files in 5ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin15438301233338543736
Running compilation step : cd /tmp/ltsmin15438301233338543736;'/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 622 ms.
Running link step : cd /tmp/ltsmin15438301233338543736;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 33 ms.
Running LTSmin : cd /tmp/ltsmin15438301233338543736;'/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/stateBased1410404876303353563.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 4 out of 313 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 313/313 places, 254/254 transitions.
Applied a total of 0 rules in 5 ms. Remains 313 /313 variables (removed 0) and now considering 254/254 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11912868135039640803.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15936462587047418345.kers'
[2026-05-25 06:55:39] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11912868135039640803.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15936462587047418345.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 254 rows 313 cols 839 entries
Finished phase 1 with 170 SingleSign rule and 82 generalized
[2026-05-25 06:55:39] [INFO ] Computed 61 invariants in 3 ms
Computed 61 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-15936462587047418345.kers
Total runtime 4 ms.
[2026-05-25 06:55:39] [INFO ] Implicit Places using invariants in 279 ms returned []
[2026-05-25 06:55:39] [INFO ] Invariant cache hit.
[2026-05-25 06:55:40] [INFO ] Implicit Places using invariants and state equation in 663 ms returned []
Implicit Place search using SMT with State Equation took 955 ms to find 0 implicit places.
Running 253 sub problems to find dead transitions.
[2026-05-25 06:55:40] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/312 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/312 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 2 (OVERLAPS) 1/313 variables, 35/53 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/313 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/313 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 5 (OVERLAPS) 254/567 variables, 313/374 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/567 variables, 20/394 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/567 variables, 7/401 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/567 variables, 7/408 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 567/567 variables, and 408 constraints, problems are : Problem set: 0 solved, 253 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 313/313 constraints, PredecessorRefiner: 253/253 constraints, Known Traps: 34/34 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 253 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/312 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/312 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 2 (OVERLAPS) 1/313 variables, 35/53 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/313 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/313 variables, 34/95 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/313 variables, 16/111 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/313 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 7 (OVERLAPS) 254/567 variables, 313/424 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/567 variables, 253/677 constraints. Problems are: Problem set: 0 solved, 253 unsolved
SMT process timed out in 60161ms, After SMT, problems are : Problem set: 0 solved, 253 unsolved
Search for dead transitions found 0 dead transitions in 60163ms
Finished structural reductions in LTL mode , in 1 iterations and 61125 ms. Remains : 313/313 places, 254/254 transitions.
Built C files in :
/tmp/ltsmin2330516698456023775
[2026-05-25 06:56:40] [INFO ] Built C files in 8ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin2330516698456023775
Running compilation step : cd /tmp/ltsmin2330516698456023775;'/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 827 ms.
Running link step : cd /tmp/ltsmin2330516698456023775;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 37 ms.
Running LTSmin : cd /tmp/ltsmin2330516698456023775;'/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/stateBased1254541277065257870.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2026-05-25 06:56:55] [INFO ] Flatten gal took : 21 ms
[2026-05-25 06:56:55] [INFO ] Flatten gal took : 28 ms
[2026-05-25 06:56:55] [INFO ] Time to serialize gal into /tmp/LTL4979515840051747837.gal : 6 ms
[2026-05-25 06:56:55] [INFO ] Time to serialize properties into /tmp/LTL700754925472492599.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/LTL4979515840051747837.gal' '-t' 'CGAL' '-hoa' '/tmp/aut17150290466221268520.hoa' '-atoms' '/tmp/LTL700754925472492599.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...317
Loading property file /tmp/LTL700754925472492599.prop.
Loaded 2 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut17150290466221268520.hoa
Detected timeout of ITS tools.
[2026-05-25 06:57:10] [INFO ] Flatten gal took : 16 ms
[2026-05-25 06:57:10] [INFO ] Flatten gal took : 14 ms
[2026-05-25 06:57:10] [INFO ] Time to serialize gal into /tmp/LTL1308760839532059398.gal : 2 ms
[2026-05-25 06:57:10] [INFO ] Time to serialize properties into /tmp/LTL11856803143771728600.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL1308760839532059398.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL11856803143771728600.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...276
Read 1 LTL properties
Checking formula 0 : !((X(X(F((G(F((G("((p60!=1)||(p204!=1))"))||((X("((p60!=1)||(p204!=1))"))&&(F("((p19!=1)||(p211!=1))"))))))||((G("((p19!=1)||(p211!=1)...265
Formula 0 simplified : XXG(F!"((p60!=1)||(p204!=1))" & (F!"((p19!=1)||(p211!=1))" | XG(F!"((p60!=1)||(p204!=1))" & (X!"((p60!=1)||(p204!=1))" | G!"((p19!=1...232
Detected timeout of ITS tools.
[2026-05-25 06:57:25] [INFO ] Flatten gal took : 14 ms
[2026-05-25 06:57:25] [INFO ] Applying decomposition
[2026-05-25 06:57:25] [INFO ] Flatten gal took : 14 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph2016410370459193401.txt' '-o' '/tmp/graph2016410370459193401.bin' '-w' '/tmp/graph2016410370459193401.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph2016410370459193401.bin' '-l' '-1' '-v' '-w' '/tmp/graph2016410370459193401.weights' '-q' '0' '-e' '0.001'
[2026-05-25 06:57:25] [INFO ] Decomposing Gal with order
[2026-05-25 06:57:25] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 06:57:25] [INFO ] Removed a total of 11 redundant transitions.
[2026-05-25 06:57:25] [INFO ] Flatten gal took : 47 ms
[2026-05-25 06:57:25] [INFO ] Fuse similar labels procedure discarded/fused a total of 2 labels/synchronizations in 16 ms.
[2026-05-25 06:57:25] [INFO ] Time to serialize gal into /tmp/LTL10748332585187066719.gal : 11 ms
[2026-05-25 06:57:25] [INFO ] Time to serialize properties into /tmp/LTL2631642321467501355.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL10748332585187066719.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL2631642321467501355.ltl' '-c' '-stutter-deadlock'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...255
Read 1 LTL properties
Checking formula 0 : !((X(X(F((G(F((G("((u30.p60!=1)||(u30.p204!=1))"))||((X("((u30.p60!=1)||(u30.p204!=1))"))&&(F("((i7.u34.p19!=1)||(i7.u34.p211!=1))")))...339
Formula 0 simplified : XXG(F!"((u30.p60!=1)||(u30.p204!=1))" & (F!"((i7.u34.p19!=1)||(i7.u34.p211!=1))" | XG(F!"((u30.p60!=1)||(u30.p204!=1))" & (X!"((u30....306
Detected timeout of ITS tools.
Treatment of property DES-PT-20b-LTLFireability-10 finished in 358481 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 2 out of 318 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 318/318 places, 261/261 transitions.
Graph (complete) has 658 edges and 318 vertex of which 312 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.1 ms
Discarding 6 places :
Also discarding 4 output transitions
Drop transitions (Output transitions of discarded places.) removed 4 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 13 transitions
Trivial Post-agglo rules discarded 13 transitions
Performed 13 trivial Post agglomeration. Transition count delta: 13
Iterating post reduction 0 with 13 rules applied. Total rules applied 14 place count 311 transition count 243
Reduce places removed 13 places and 0 transitions.
Iterating post reduction 1 with 13 rules applied. Total rules applied 27 place count 298 transition count 243
Performed 11 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 11 Pre rules applied. Total rules applied 27 place count 298 transition count 232
Deduced a syphon composed of 11 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 2 with 22 rules applied. Total rules applied 49 place count 287 transition count 232
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 51 place count 285 transition count 230
Iterating global reduction 2 with 2 rules applied. Total rules applied 53 place count 285 transition count 230
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 55 place count 283 transition count 228
Iterating global reduction 2 with 2 rules applied. Total rules applied 57 place count 283 transition count 228
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 59 place count 283 transition count 226
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 59 place count 283 transition count 224
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 63 place count 281 transition count 224
Performed 76 Post agglomeration using F-continuation condition.Transition count delta: 76
Deduced a syphon composed of 76 places in 0 ms
Reduce places removed 76 places and 0 transitions.
Iterating global reduction 3 with 152 rules applied. Total rules applied 215 place count 205 transition count 148
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 219 place count 203 transition count 150
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 221 place count 201 transition count 148
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 222 place count 200 transition count 148
Applied a total of 222 rules in 44 ms. Remains 200 /318 variables (removed 118) and now considering 148/261 (removed 113) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17402839571651073458.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14154366865831263324.kers'
[2026-05-25 06:57:40] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17402839571651073458.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14154366865831263324.kers]
Culling duplicate invariants (modulo rational): removing 27 columns.
Culled 27 columns in 0 ms.
// Phase 1: matrix 148 rows 173 cols 573 entries
Finished phase 1 with 106 SingleSign rule and 36 generalized
[2026-05-25 06:57:40] [INFO ] Computed 58 invariants in 1 ms
Computed 58 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-14154366865831263324.kers
Total runtime 4 ms.
[2026-05-25 06:57:41] [INFO ] Implicit Places using invariants in 361 ms returned []
[2026-05-25 06:57:41] [INFO ] Invariant cache hit.
[2026-05-25 06:57:41] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 06:57:41] [INFO ] Implicit Places using invariants and state equation in 538 ms returned []
Implicit Place search using SMT with State Equation took 902 ms to find 0 implicit places.
[2026-05-25 06:57:41] [INFO ] Redundant transitions in 0 ms returned []
Running 145 sub problems to find dead transitions.
[2026-05-25 06:57:41] [INFO ] Invariant cache hit.
[2026-05-25 06:57:41] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/197 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/197 variables, 10/43 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/197 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 3 (OVERLAPS) 1/198 variables, 3/46 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/198 variables, 1/47 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/198 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 145 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 1/199 variables, 11/58 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/199 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 8 (OVERLAPS) 148/347 variables, 199/257 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/347 variables, 6/263 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/347 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/347 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 12 (OVERLAPS) 1/348 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/348 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 14 (OVERLAPS) 0/348 variables, 2/267 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/348 variables, 0/267 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 16 (OVERLAPS) 0/348 variables, 3/270 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/348 variables, 0/270 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 18 (OVERLAPS) 0/348 variables, 0/270 constraints. Problems are: Problem set: 0 solved, 145 unsolved
No progress, stopping.
After SMT solving in domain Real declared 348/348 variables, and 270 constraints, problems are : Problem set: 0 solved, 145 unsolved in 27722 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 22/22 constraints, State Equation: 200/200 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 145/145 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 145 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/197 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/197 variables, 10/43 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/197 variables, 6/49 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/197 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 4 (OVERLAPS) 1/198 variables, 3/52 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/198 variables, 1/53 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/198 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 7 (OVERLAPS) 1/199 variables, 11/64 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/199 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 9 (OVERLAPS) 148/347 variables, 199/263 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/347 variables, 6/269 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/347 variables, 145/414 constraints. Problems are: Problem set: 0 solved, 145 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/347 variables, 4/418 constraints. Problems are: Problem set: 0 solved, 145 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 347/348 variables, and 418 constraints, problems are : Problem set: 0 solved, 145 unsolved in 30010 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 22/22 constraints, State Equation: 199/200 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 145/145 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 57758ms problems are : Problem set: 0 solved, 145 unsolved
Search for dead transitions found 0 dead transitions in 57759ms
Starting structural reductions in SI_LTL mode, iteration 1 : 200/318 places, 148/261 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 58712 ms. Remains : 200/318 places, 148/261 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Stuttering acceptance computed with spot in 81 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : DES-PT-20b-LTLFireability-11
Stuttering criterion allowed to conclude after 24 steps with 0 reset in 0 ms.
FORMULA DES-PT-20b-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DES-PT-20b-LTLFireability-11 finished in 58839 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 6 out of 318 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 318/318 places, 261/261 transitions.
Graph (complete) has 658 edges and 318 vertex of which 312 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.0 ms
Discarding 6 places :
Also discarding 4 output transitions
Drop transitions (Output transitions of discarded places.) removed 4 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 14 transitions
Trivial Post-agglo rules discarded 14 transitions
Performed 14 trivial Post agglomeration. Transition count delta: 14
Iterating post reduction 0 with 14 rules applied. Total rules applied 15 place count 311 transition count 242
Reduce places removed 14 places and 0 transitions.
Iterating post reduction 1 with 14 rules applied. Total rules applied 29 place count 297 transition count 242
Performed 11 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 11 Pre rules applied. Total rules applied 29 place count 297 transition count 231
Deduced a syphon composed of 11 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 2 with 22 rules applied. Total rules applied 51 place count 286 transition count 231
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 53 place count 284 transition count 229
Iterating global reduction 2 with 2 rules applied. Total rules applied 55 place count 284 transition count 229
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 56 place count 283 transition count 228
Iterating global reduction 2 with 1 rules applied. Total rules applied 57 place count 283 transition count 228
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 58 place count 283 transition count 227
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 58 place count 283 transition count 226
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 60 place count 282 transition count 226
Performed 69 Post agglomeration using F-continuation condition.Transition count delta: 69
Deduced a syphon composed of 69 places in 0 ms
Reduce places removed 69 places and 0 transitions.
Iterating global reduction 3 with 138 rules applied. Total rules applied 198 place count 213 transition count 157
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 3 with 6 rules applied. Total rules applied 204 place count 210 transition count 160
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 206 place count 208 transition count 158
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 207 place count 207 transition count 158
Applied a total of 207 rules in 37 ms. Remains 207 /318 variables (removed 111) and now considering 158/261 (removed 103) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-18201688456536125968.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11509871524828149693.kers'
[2026-05-25 06:58:39] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-18201688456536125968.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11509871524828149693.kers]
Culling duplicate invariants (modulo rational): removing 9 columns.
Culled 9 columns in 0 ms.
// Phase 1: matrix 158 rows 198 cols 655 entries
Finished phase 1 with 123 SingleSign rule and 26 generalized
[2026-05-25 06:58:39] [INFO ] Computed 58 invariants in 2 ms
Computed 58 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-11509871524828149693.kers
Total runtime 3 ms.
[2026-05-25 06:58:39] [INFO ] Implicit Places using invariants in 305 ms returned []
[2026-05-25 06:58:39] [INFO ] Invariant cache hit.
[2026-05-25 06:58:40] [INFO ] Implicit Places using invariants and state equation in 501 ms returned []
Implicit Place search using SMT with State Equation took 809 ms to find 0 implicit places.
[2026-05-25 06:58:40] [INFO ] Redundant transitions in 1 ms returned []
Running 153 sub problems to find dead transitions.
[2026-05-25 06:58:40] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/202 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/202 variables, 10/23 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/202 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 3 (OVERLAPS) 1/203 variables, 22/45 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/203 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 5 (OVERLAPS) 3/206 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/206 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 7 (OVERLAPS) 158/364 variables, 206/264 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/364 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/364 variables, 1/266 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/364 variables, 0/266 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 11 (OVERLAPS) 1/365 variables, 1/267 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/365 variables, 3/270 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/365 variables, 0/270 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 14 (OVERLAPS) 0/365 variables, 0/270 constraints. Problems are: Problem set: 0 solved, 153 unsolved
No progress, stopping.
After SMT solving in domain Real declared 365/365 variables, and 270 constraints, problems are : Problem set: 0 solved, 153 unsolved in 25010 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 23/23 constraints, State Equation: 207/207 constraints, PredecessorRefiner: 153/153 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 153 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/202 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/202 variables, 10/23 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/202 variables, 2/25 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/202 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 4 (OVERLAPS) 1/203 variables, 22/47 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/203 variables, 3/50 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/203 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 7 (OVERLAPS) 3/206 variables, 13/63 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/206 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 9 (OVERLAPS) 158/364 variables, 206/269 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/364 variables, 153/422 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/364 variables, 3/425 constraints. Problems are: Problem set: 0 solved, 153 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 364/365 variables, and 425 constraints, problems are : Problem set: 0 solved, 153 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 23/23 constraints, State Equation: 206/207 constraints, PredecessorRefiner: 153/153 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 55064ms problems are : Problem set: 0 solved, 153 unsolved
Search for dead transitions found 0 dead transitions in 55065ms
Starting structural reductions in SI_LTL mode, iteration 1 : 207/318 places, 158/261 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 55920 ms. Remains : 207/318 places, 158/261 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 110 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : DES-PT-20b-LTLFireability-13
Stuttering criterion allowed to conclude after 23 steps with 0 reset in 1 ms.
FORMULA DES-PT-20b-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DES-PT-20b-LTLFireability-13 finished in 56069 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)||G(p1)))'
Support contains 2 out of 318 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 318/318 places, 261/261 transitions.
Graph (complete) has 658 edges and 318 vertex of which 312 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.5 ms
Discarding 6 places :
Also discarding 4 output transitions
Drop transitions (Output transitions of discarded places.) removed 4 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 14 transitions
Trivial Post-agglo rules discarded 14 transitions
Performed 14 trivial Post agglomeration. Transition count delta: 14
Iterating post reduction 0 with 14 rules applied. Total rules applied 15 place count 311 transition count 242
Reduce places removed 14 places and 0 transitions.
Iterating post reduction 1 with 14 rules applied. Total rules applied 29 place count 297 transition count 242
Performed 11 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 11 Pre rules applied. Total rules applied 29 place count 297 transition count 231
Deduced a syphon composed of 11 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 2 with 22 rules applied. Total rules applied 51 place count 286 transition count 231
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 52 place count 285 transition count 230
Iterating global reduction 2 with 1 rules applied. Total rules applied 53 place count 285 transition count 230
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 54 place count 284 transition count 229
Iterating global reduction 2 with 1 rules applied. Total rules applied 55 place count 284 transition count 229
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 56 place count 284 transition count 228
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 56 place count 284 transition count 227
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 58 place count 283 transition count 227
Performed 76 Post agglomeration using F-continuation condition.Transition count delta: 76
Deduced a syphon composed of 76 places in 1 ms
Reduce places removed 76 places and 0 transitions.
Iterating global reduction 3 with 152 rules applied. Total rules applied 210 place count 207 transition count 151
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 3 with 6 rules applied. Total rules applied 216 place count 204 transition count 154
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 218 place count 202 transition count 152
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 219 place count 201 transition count 152
Applied a total of 219 rules in 40 ms. Remains 201 /318 variables (removed 117) and now considering 152/261 (removed 109) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3944277616129066209.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13957441987656707127.kers'
[2026-05-25 06:59:35] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3944277616129066209.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13957441987656707127.kers]
Culling duplicate invariants (modulo rational): removing 27 columns.
Culled 27 columns in 0 ms.
// Phase 1: matrix 152 rows 174 cols 597 entries
Finished phase 1 with 135 SingleSign rule and 8 generalized
[2026-05-25 06:59:35] [INFO ] Computed 58 invariants in 2 ms
Computed 58 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-13957441987656707127.kers
Total runtime 3 ms.
[2026-05-25 06:59:35] [INFO ] Implicit Places using invariants in 226 ms returned []
[2026-05-25 06:59:35] [INFO ] Invariant cache hit.
[2026-05-25 06:59:36] [INFO ] Implicit Places using invariants and state equation in 348 ms returned []
Implicit Place search using SMT with State Equation took 596 ms to find 0 implicit places.
[2026-05-25 06:59:36] [INFO ] Redundant transitions in 0 ms returned []
Running 149 sub problems to find dead transitions.
[2026-05-25 06:59:36] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/198 variables, 37/37 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/198 variables, 10/47 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/198 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 3 (OVERLAPS) 2/200 variables, 11/58 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/200 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 5 (OVERLAPS) 152/352 variables, 200/258 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/352 variables, 3/261 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/352 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 8 (OVERLAPS) 1/353 variables, 1/262 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/353 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/353 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/353 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 12 (OVERLAPS) 0/353 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 149 unsolved
No progress, stopping.
After SMT solving in domain Real declared 353/353 variables, and 265 constraints, problems are : Problem set: 0 solved, 149 unsolved in 22804 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 201/201 constraints, PredecessorRefiner: 149/149 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 149 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/198 variables, 37/37 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/198 variables, 10/47 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/198 variables, 6/53 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/198 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 4 (OVERLAPS) 2/200 variables, 11/64 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/200 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 6 (OVERLAPS) 152/352 variables, 200/264 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/352 variables, 149/413 constraints. Problems are: Problem set: 0 solved, 149 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 352/353 variables, and 413 constraints, problems are : Problem set: 0 solved, 149 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 200/201 constraints, PredecessorRefiner: 149/149 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 52840ms problems are : Problem set: 0 solved, 149 unsolved
Search for dead transitions found 0 dead transitions in 52841ms
Starting structural reductions in SI_LTL mode, iteration 1 : 201/318 places, 152/261 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 53483 ms. Remains : 201/318 places, 152/261 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)||G(p1)))'
Stuttering acceptance computed with spot in 104 ms :[(NOT p0), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : DES-PT-20b-LTLFireability-15
Stuttering criterion allowed to conclude after 12 steps with 0 reset in 0 ms.
FORMULA DES-PT-20b-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DES-PT-20b-LTLFireability-15 finished in 53622 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))||G(!p2)||(!p2&&F(G(!p3)))))'
Spot run failed in 84 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/senseclsl.py", line 2, in
import spot, sys
ModuleNotFoundError: No module named 'spot'
Warning : SL/CL computation failed.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F((G(F(((X(!p0)&&F(!p1))||G(!p0))))||(G(!p1)&&X(F(((X(!p0)&&F(!p1))||G(!p0))))))))))'
Spot run failed in 77 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/senseclsl.py", line 2, in
import spot, sys
ModuleNotFoundError: No module named 'spot'
Warning : SL/CL computation failed.
[2026-05-25 07:00:29] [INFO ] Flatten gal took : 23 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin8687993052625243813
[2026-05-25 07:00:29] [INFO ] Computing symmetric may disable matrix : 261 transitions.
[2026-05-25 07:00:29] [INFO ] Applying decomposition
[2026-05-25 07:00:29] [INFO ] Computation of Complete disable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-25 07:00:29] [INFO ] Computing symmetric may enable matrix : 261 transitions.
[2026-05-25 07:00:29] [INFO ] Computation of Complete enable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-25 07:00:29] [INFO ] Flatten gal took : 32 ms
[2026-05-25 07:00:29] [INFO ] Computing Do-Not-Accords matrix : 261 transitions.
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph14351647112415630925.txt' '-o' '/tmp/graph14351647112415630925.bin' '-w' '/tmp/graph14351647112415630925.weights'
[2026-05-25 07:00:29] [INFO ] Computation of Completed DNA matrix. took 12 ms. Total solver calls (SAT/UNSAT): 0(0/0)
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph14351647112415630925.bin' '-l' '-1' '-v' '-w' '/tmp/graph14351647112415630925.weights' '-q' '0' '-e' '0.001'
[2026-05-25 07:00:29] [INFO ] Built C files in 87ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin8687993052625243813
Running compilation step : cd /tmp/ltsmin8687993052625243813;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '360' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
[2026-05-25 07:00:29] [INFO ] Decomposing Gal with order
[2026-05-25 07:00:29] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 07:00:29] [INFO ] Removed a total of 13 redundant transitions.
[2026-05-25 07:00:29] [INFO ] Flatten gal took : 38 ms
[2026-05-25 07:00:29] [INFO ] Fuse similar labels procedure discarded/fused a total of 2 labels/synchronizations in 5 ms.
[2026-05-25 07:00:29] [INFO ] Time to serialize gal into /tmp/LTLFireability1290145855367914083.gal : 7 ms
[2026-05-25 07:00:29] [INFO ] Time to serialize properties into /tmp/LTLFireability9266403225115727365.ltl : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTLFireability1290145855367914083.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability9266403225115727365.ltl' '-c' '-stutter-deadlock'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...276
Read 2 LTL properties
Checking formula 0 : !((((F(("((i2.u9.p88==1)&&(i2.u9.p110==1))")&&(F("(i7.i0.i1.u48.p260==1)"))))||(G(!("((u34.p9==1)&&(u34.p211==1))"))))||(F(G(!("((i2.u...189
Formula 0 simplified : F"((u34.p9==1)&&(u34.p211==1))" & G((!"((i2.u9.p88==1)&&(i2.u9.p110==1))" | G!"(i7.i0.i1.u48.p260==1)") & F"((i2.u9.p80==1)&&(i2.u9....166
Compilation finished in 887 ms.
Running link step : cd /tmp/ltsmin8687993052625243813;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 38 ms.
Running LTSmin : cd /tmp/ltsmin8687993052625243813;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '--ltl' '(<>((<>((LTLAPp1==true))&&(LTLAPp0==true)))||[](!(LTLAPp2==true))||(!(LTLAPp2==true)&&<>([](!(LTLAPp3==true)))))' '--buchi-type=spotba'
Reverse transition relation is NOT exact ! Due to transitions t0, t54, t56, t193, t221, t222, t254, u34.t76, i0.u32.t79, i1.u14.t112, i1.u14.t114, i2.t120,...928
Computing Next relation with stutter on 5.6224e+07 deadlock states
WARNING : LTSmin timed out (>900 s) on command cd /tmp/ltsmin8687993052625243813;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '--ltl' '(<>((<>((LTLAPp1==true))&&(LTLAPp0==true)))||[](!(LTLAPp2==true))||(!(LTLAPp2==true)&&<>([](!(LTLAPp3==true)))))' '--buchi-type=spotba'
Running LTSmin : cd /tmp/ltsmin8687993052625243813;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--ltl' 'X(X(<>(([](<>(((X(!(LTLAPp4==true))&&<>(!(LTLAPp5==true)))||[](!(LTLAPp4==true)))))||([](!(LTLAPp5==true))&&X(<>(((X(!(LTLAPp4==true))&&<>(!(LTLAPp5==true)))||[](!(LTLAPp4==true))))))))))' '--buchi-type=spotba'
Detected timeout of ITS tools.
[2026-05-25 07:27:49] [INFO ] Applying decomposition
[2026-05-25 07:27:49] [INFO ] Flatten gal took : 16 ms
[2026-05-25 07:27:49] [INFO ] Decomposing Gal with order
[2026-05-25 07:27:49] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 07:27:49] [INFO ] Removed a total of 86 redundant transitions.
[2026-05-25 07:27:49] [INFO ] Flatten gal took : 56 ms
[2026-05-25 07:27:49] [INFO ] Fuse similar labels procedure discarded/fused a total of 290 labels/synchronizations in 34 ms.
[2026-05-25 07:27:49] [INFO ] Time to serialize gal into /tmp/LTLFireability5635693119000807206.gal : 5 ms
[2026-05-25 07:27:49] [INFO ] Time to serialize properties into /tmp/LTLFireability12822699123008082324.ltl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTLFireability5635693119000807206.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability12822699123008082324.ltl' '-c' '-stutter-deadlock'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...277
Read 2 LTL properties
Checking formula 0 : !((((F(("((i0.u7.p88==1)&&(i1.i0.i0.i0.i0.i0.u17.p110==1))")&&(F("(i1.i1.i0.i1.i0.i0.i1.i0.i0.i1.i0.i0.i0.i0.i0.i0.u107.p260==1)"))))|...282
Formula 0 simplified : F"((i0.i0.i0.u4.p9==1)&&(i1.i1.i0.i0.u137.p211==1))" & G((!"((i0.u7.p88==1)&&(i1.i0.i0.i0.i0.i0.u17.p110==1))" | G!"(i1.i1.i0.i1.i0....259
WARNING : LTSmin timed out (>900 s) on command cd /tmp/ltsmin8687993052625243813;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--ltl' 'X(X(<>(([](<>(((X(!(LTLAPp4==true))&&<>(!(LTLAPp5==true)))||[](!(LTLAPp4==true)))))||([](!(LTLAPp5==true))&&X(<>(((X(!(LTLAPp4==true))&&<>(!(LTLAPp5==true)))||[](!(LTLAPp4==true))))))))))' '--buchi-type=spotba'
Retrying LTSmin with larger timeout 14400 s
Running LTSmin : cd /tmp/ltsmin8687993052625243813;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '--ltl' '(<>((<>((LTLAPp1==true))&&(LTLAPp0==true)))||[](!(LTLAPp2==true))||(!(LTLAPp2==true)&&<>([](!(LTLAPp3==true)))))' '--buchi-type=spotba'
BK_TIME_CONFINEMENT_REACHED
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="DES-PT-20b"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5973"
echo " Executing tool itstools"
echo " Input is DES-PT-20b, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r082-smll-177946993700388"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DES-PT-20b.tgz
mv DES-PT-20b execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
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 ;