fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r098-tall-177955695700700
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for DLCshifumi-PT-3a

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
550.823 611104.00 724498.00 11646.80 FTFFFFFFFFFFFFFF normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r098-tall-177955695700700.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
...........................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is DLCshifumi-PT-3a, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r098-tall-177955695700700
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.3M
-rw-r--r-- 1 mcc users 7.1K Mar 6 17:27 CTLCardinality.txt
-rw-r--r-- 1 mcc users 78K Mar 6 17:27 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.0K Mar 6 17:26 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K Mar 6 17:26 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 09:29 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 09:29 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 09:29 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 09:29 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 6 17:28 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 110K Mar 6 17:28 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.1K Mar 6 17:28 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 76K Mar 6 17:28 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:29 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 09:29 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 778K 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 DLCshifumi-PT-3a-LTLFireability-00
FORMULA_NAME DLCshifumi-PT-3a-LTLFireability-01
FORMULA_NAME DLCshifumi-PT-3a-LTLFireability-02
FORMULA_NAME DLCshifumi-PT-3a-LTLFireability-03
FORMULA_NAME DLCshifumi-PT-3a-LTLFireability-04
FORMULA_NAME DLCshifumi-PT-3a-LTLFireability-05
FORMULA_NAME DLCshifumi-PT-3a-LTLFireability-06
FORMULA_NAME DLCshifumi-PT-3a-LTLFireability-07
FORMULA_NAME DLCshifumi-PT-3a-LTLFireability-08
FORMULA_NAME DLCshifumi-PT-3a-LTLFireability-09
FORMULA_NAME DLCshifumi-PT-3a-LTLFireability-10
FORMULA_NAME DLCshifumi-PT-3a-LTLFireability-11
FORMULA_NAME DLCshifumi-PT-3a-LTLFireability-12
FORMULA_NAME DLCshifumi-PT-3a-LTLFireability-13
FORMULA_NAME DLCshifumi-PT-3a-LTLFireability-14
FORMULA_NAME DLCshifumi-PT-3a-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779653790020

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DLCshifumi-PT-3a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-24 20:16:31] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-24 20:16:31] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 20:16:31] [INFO ] Load time of PNML (sax parser for PT used): 174 ms
[2026-05-24 20:16:31] [INFO ] Transformed 544 places.
[2026-05-24 20:16:31] [INFO ] Transformed 3097 transitions.
[2026-05-24 20:16:31] [INFO ] Found NUPN structural information;
[2026-05-24 20:16:31] [INFO ] Parsed PT model containing 544 places and 3097 transitions and 11545 arcs in 282 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 9 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
Ensure Unique test removed 405 transitions
Reduce redundant transitions removed 405 transitions.
FORMULA DLCshifumi-PT-3a-LTLFireability-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCshifumi-PT-3a-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCshifumi-PT-3a-LTLFireability-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 54 out of 544 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 544/544 places, 2692/2692 transitions.
Discarding 76 places :
Symmetric choice reduction at 0 with 76 rule applications. Total rules 76 place count 468 transition count 2271
Iterating global reduction 0 with 76 rules applied. Total rules applied 152 place count 468 transition count 2271
Ensure Unique test removed 37 transitions
Reduce isomorphic transitions removed 37 transitions.
Iterating post reduction 0 with 37 rules applied. Total rules applied 189 place count 468 transition count 2234
Drop transitions (Redundant composition of simpler transitions.) removed 726 transitions
Redundant transition composition rules discarded 726 transitions
Iterating global reduction 1 with 726 rules applied. Total rules applied 915 place count 468 transition count 1508
Applied a total of 915 rules in 136 ms. Remains 468 /544 variables (removed 76) and now considering 1508/2692 (removed 1184) transitions.
[2026-05-24 20:16:31] [INFO ] Flow matrix only has 327 transitions (discarded 1181 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9679235647904005793.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11454957113312137973.kers'
[2026-05-24 20:16:31] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9679235647904005793.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11454957113312137973.kers]
Normalized transition count is 326 out of 327 initially.
Culling duplicate invariants (modulo rational): removing 240 columns.
Culled 240 columns in 0 ms.
// Phase 1: matrix 326 rows 228 cols 693 entries
Finished phase 1 with 186 SingleSign rule and 0 generalized
[2026-05-24 20:16:31] [INFO ] Computed 282 invariants in 1 ms
Computed 282 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-11454957113312137973.kers
Total runtime 2 ms.
[2026-05-24 20:16:33] [INFO ] Implicit Places using invariants in 1172 ms returned [230, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 252, 253, 254, 255, 256, 258, 259, 261, 262, 263, 264, 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, 275, 276, 277, 278, 279, 281, 282, 283, 284, 285, 286, 287, 288, 290, 291, 292, 293, 294, 295, 297, 298, 299, 300, 301, 302, 303, 305, 306, 307, 308, 310, 311, 312, 313, 314, 315, 316, 317, 318, 319, 320, 321, 322, 324, 325, 326, 327, 328, 329, 330, 331, 332, 333, 334, 335, 336, 337, 338, 340, 341, 342, 343, 345, 346, 348, 349, 350, 351, 352, 353, 354, 356, 357, 358, 359, 360, 361, 362, 363, 364, 365, 366, 367, 368, 369, 370, 372, 373, 374, 375, 376, 377, 378, 381, 382, 383, 384, 385, 386, 387, 388, 389, 390, 391, 392, 393, 394, 397, 398, 399, 400, 401, 402, 403, 404, 405, 407, 408, 409, 410, 411, 412, 414, 415, 416, 417, 418, 419, 420, 422, 423, 424, 425, 426, 427, 428, 429, 430, 431, 432, 433, 434, 435, 436, 437, 438, 440, 441, 442, 443, 444, 445, 446, 447, 449, 450, 452, 453, 454, 455, 458, 459, 460, 461, 462, 463, 464, 465, 466, 467]
Discarding 211 places :
Ensure Unique test removed 920 transitions
Reduce isomorphic transitions removed 920 transitions.
Implicit Place search using SMT only with invariants took 1214 ms to find 211 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 257/544 places, 588/2692 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 164 transitions
Redundant transition composition rules discarded 164 transitions
Iterating global reduction 0 with 164 rules applied. Total rules applied 164 place count 257 transition count 424
Applied a total of 164 rules in 17 ms. Remains 257 /257 variables (removed 0) and now considering 424/588 (removed 164) transitions.
[2026-05-24 20:16:33] [INFO ] Flow matrix only has 327 transitions (discarded 97 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14273914411097778714.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4028395685601406013.kers'
[2026-05-24 20:16:33] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14273914411097778714.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4028395685601406013.kers]
Normalized transition count is 326 out of 327 initially.
Culling duplicate invariants (modulo rational): removing 29 columns.
Culled 29 columns in 0 ms.
// Phase 1: matrix 326 rows 228 cols 693 entries
Finished phase 1 with 186 SingleSign rule and 0 generalized
[2026-05-24 20:16:33] [INFO ] Computed 71 invariants in 1 ms
Computed 71 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-4028395685601406013.kers
Total runtime 1 ms.
[2026-05-24 20:16:33] [INFO ] Implicit Places using invariants in 79 ms returned []
[2026-05-24 20:16:33] [INFO ] Flow matrix only has 327 transitions (discarded 97 similar events)
[2026-05-24 20:16:33] [INFO ] Invariant cache hit.
[2026-05-24 20:16:33] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 20:16:33] [INFO ] Implicit Places using invariants and state equation in 140 ms returned []
Implicit Place search using SMT with State Equation took 223 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 257/544 places, 424/2692 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1602 ms. Remains : 257/544 places, 424/2692 transitions.
Starting structural reductions in LTL mode, iteration 0 : 257/257 places, 424/424 transitions.
Applied a total of 0 rules in 9 ms. Remains 257 /257 variables (removed 0) and now considering 424/424 (removed 0) transitions.
[2026-05-24 20:16:33] [INFO ] Flow matrix only has 327 transitions (discarded 97 similar events)
[2026-05-24 20:16:33] [INFO ] Invariant cache hit.
[2026-05-24 20:16:33] [INFO ] Implicit Places using invariants in 56 ms returned []
[2026-05-24 20:16:33] [INFO ] Flow matrix only has 327 transitions (discarded 97 similar events)
[2026-05-24 20:16:33] [INFO ] Invariant cache hit.
[2026-05-24 20:16:33] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 20:16:33] [INFO ] Implicit Places using invariants and state equation in 133 ms returned []
Implicit Place search using SMT with State Equation took 193 ms to find 0 implicit places.
Running 423 sub problems to find dead transitions.
[2026-05-24 20:16:33] [INFO ] Flow matrix only has 327 transitions (discarded 97 similar events)
[2026-05-24 20:16:33] [INFO ] Invariant cache hit.
[2026-05-24 20:16:33] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/227 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 423 unsolved
At refinement iteration 1 (OVERLAPS) 1/228 variables, 42/42 constraints. Problems are: Problem set: 0 solved, 423 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 423 unsolved
At refinement iteration 3 (OVERLAPS) 29/257 variables, 29/71 constraints. Problems are: Problem set: 0 solved, 423 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/257 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 423 unsolved
At refinement iteration 5 (OVERLAPS) 326/583 variables, 257/328 constraints. Problems are: Problem set: 0 solved, 423 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/583 variables, 0/328 constraints. Problems are: Problem set: 0 solved, 423 unsolved
At refinement iteration 7 (OVERLAPS) 1/584 variables, 1/329 constraints. Problems are: Problem set: 0 solved, 423 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/584 variables, 0/329 constraints. Problems are: Problem set: 0 solved, 423 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 584/584 variables, and 329 constraints, problems are : Problem set: 0 solved, 423 unsolved in 30031 ms.
Refiners :[Positive P Invariants (semi-flows): 71/71 constraints, State Equation: 257/257 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 423/423 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 423 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/227 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 423 unsolved
At refinement iteration 1 (OVERLAPS) 1/228 variables, 42/42 constraints. Problems are: Problem set: 0 solved, 423 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 423 unsolved
At refinement iteration 3 (OVERLAPS) 29/257 variables, 29/71 constraints. Problems are: Problem set: 0 solved, 423 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/257 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 423 unsolved
At refinement iteration 5 (OVERLAPS) 326/583 variables, 257/328 constraints. Problems are: Problem set: 0 solved, 423 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/583 variables, 423/751 constraints. Problems are: Problem set: 0 solved, 423 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/583 variables, 0/751 constraints. Problems are: Problem set: 0 solved, 423 unsolved
At refinement iteration 8 (OVERLAPS) 1/584 variables, 1/752 constraints. Problems are: Problem set: 0 solved, 423 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/584 variables, 0/752 constraints. Problems are: Problem set: 0 solved, 423 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 584/584 variables, and 752 constraints, problems are : Problem set: 0 solved, 423 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 71/71 constraints, State Equation: 257/257 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 423/423 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60147ms problems are : Problem set: 0 solved, 423 unsolved
Search for dead transitions found 0 dead transitions in 60161ms
Finished structural reductions in LTL mode , in 1 iterations and 60384 ms. Remains : 257/257 places, 424/424 transitions.
Support contains 54 out of 257 places after structural reductions.
[2026-05-24 20:17:33] [INFO ] Flatten gal took : 53 ms
[2026-05-24 20:17:33] [INFO ] Flatten gal took : 27 ms
[2026-05-24 20:17:33] [INFO ] Input system was already deterministic with 424 transitions.
Support contains 52 out of 257 places (down from 54) after GAL structural reductions.
RANDOM walk for 4453 steps (0 resets) in 465 ms. (9 steps per ms) remains 0/32 properties
Computed a total of 30 stabilizing places and 1 stable transitions
Graph (complete) has 494 edges and 257 vertex of which 228 are kept as prefixes of interest. Removing 29 places using SCC suffix rule.13 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 3 out of 257 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 257/257 places, 424/424 transitions.
Graph (trivial) has 412 edges and 257 vertex of which 218 / 257 are part of one of the 42 SCC in 2 ms
Free SCC test removed 176 places
Ensure Unique test removed 361 transitions
Reduce isomorphic transitions removed 361 transitions.
Graph (complete) has 133 edges and 81 vertex of which 53 are kept as prefixes of interest. Removing 28 places using SCC suffix rule.1 ms
Discarding 28 places :
Also discarding 0 output transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 53 transition count 62
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 4 place count 52 transition count 62
Discarding 39 places :
Symmetric choice reduction at 2 with 39 rule applications. Total rules 43 place count 13 transition count 23
Iterating global reduction 2 with 39 rules applied. Total rules applied 82 place count 13 transition count 23
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 83 place count 13 transition count 22
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 84 place count 13 transition count 22
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 85 place count 12 transition count 21
Iterating global reduction 2 with 1 rules applied. Total rules applied 86 place count 12 transition count 21
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 87 place count 12 transition count 20
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 88 place count 12 transition count 19
Applied a total of 88 rules in 15 ms. Remains 12 /257 variables (removed 245) and now considering 19/424 (removed 405) transitions.
[2026-05-24 20:17:34] [INFO ] Flow matrix only has 13 transitions (discarded 6 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3548477441995860968.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7100594721854657159.kers'
[2026-05-24 20:17:34] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3548477441995860968.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7100594721854657159.kers]
Normalized transition count is 12 out of 13 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 12 rows 10 cols 25 entries
Finished phase 1 with 8 SingleSign rule and 0 generalized
[2026-05-24 20:17:34] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-7100594721854657159.kers
Total runtime 0 ms.
[2026-05-24 20:17:34] [INFO ] Implicit Places using invariants in 19 ms returned []
[2026-05-24 20:17:34] [INFO ] Flow matrix only has 13 transitions (discarded 6 similar events)
[2026-05-24 20:17:34] [INFO ] Invariant cache hit.
[2026-05-24 20:17:34] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 20:17:34] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 48 ms to find 0 implicit places.
[2026-05-24 20:17:34] [INFO ] Redundant transitions in 0 ms returned []
Running 18 sub problems to find dead transitions.
[2026-05-24 20:17:34] [INFO ] Flow matrix only has 13 transitions (discarded 6 similar events)
[2026-05-24 20:17:34] [INFO ] Invariant cache hit.
[2026-05-24 20:17:34] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 1 (OVERLAPS) 1/11 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 3 (OVERLAPS) 1/12 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/12 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 5 (OVERLAPS) 12/24 variables, 12/16 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/24 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 7 (OVERLAPS) 1/25 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/25 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 9 (OVERLAPS) 0/25 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 18 unsolved
No progress, stopping.
After SMT solving in domain Real declared 25/25 variables, and 17 constraints, problems are : Problem set: 0 solved, 18 unsolved in 226 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 12/12 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 18/18 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 18 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 1 (OVERLAPS) 1/11 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 3 (OVERLAPS) 1/12 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/12 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 5 (OVERLAPS) 12/24 variables, 12/16 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/24 variables, 18/34 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/24 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 8 (OVERLAPS) 1/25 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/25 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 10 (OVERLAPS) 0/25 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 18 unsolved
No progress, stopping.
After SMT solving in domain Int declared 25/25 variables, and 35 constraints, problems are : Problem set: 0 solved, 18 unsolved in 192 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 12/12 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 18/18 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 421ms problems are : Problem set: 0 solved, 18 unsolved
Search for dead transitions found 0 dead transitions in 422ms
Starting structural reductions in SI_LTL mode, iteration 1 : 12/257 places, 19/424 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 490 ms. Remains : 12/257 places, 19/424 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 300 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : DLCshifumi-PT-3a-LTLFireability-00
Stuttering criterion allowed to conclude after 5 steps with 0 reset in 3 ms.
FORMULA DLCshifumi-PT-3a-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCshifumi-PT-3a-LTLFireability-00 finished in 862 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 4 out of 257 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 257/257 places, 424/424 transitions.
Graph (trivial) has 407 edges and 257 vertex of which 214 / 257 are part of one of the 41 SCC in 1 ms
Free SCC test removed 173 places
Ensure Unique test removed 353 transitions
Reduce isomorphic transitions removed 353 transitions.
Graph (complete) has 141 edges and 84 vertex of which 57 are kept as prefixes of interest. Removing 27 places using SCC suffix rule.0 ms
Discarding 27 places :
Also discarding 0 output transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 57 transition count 70
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 2 rules applied. Total rules applied 5 place count 56 transition count 69
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 6 place count 55 transition count 69
Discarding 40 places :
Symmetric choice reduction at 3 with 40 rule applications. Total rules 46 place count 15 transition count 28
Iterating global reduction 3 with 40 rules applied. Total rules applied 86 place count 15 transition count 28
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 3 with 2 rules applied. Total rules applied 88 place count 15 transition count 26
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 90 place count 14 transition count 25
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 5 with 1 rules applied. Total rules applied 91 place count 14 transition count 24
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 5 with 1 rules applied. Total rules applied 92 place count 14 transition count 24
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 93 place count 13 transition count 23
Iterating global reduction 5 with 1 rules applied. Total rules applied 94 place count 13 transition count 23
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 95 place count 13 transition count 22
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 6 with 1 rules applied. Total rules applied 96 place count 13 transition count 21
Applied a total of 96 rules in 13 ms. Remains 13 /257 variables (removed 244) and now considering 21/424 (removed 403) transitions.
[2026-05-24 20:17:35] [INFO ] Flow matrix only has 14 transitions (discarded 7 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7847402476892368339.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17432381334243293999.kers'
[2026-05-24 20:17:35] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7847402476892368339.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17432381334243293999.kers]
Normalized transition count is 13 out of 14 initially.
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 13 rows 10 cols 27 entries
Finished phase 1 with 8 SingleSign rule and 0 generalized
[2026-05-24 20:17:35] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-17432381334243293999.kers
Total runtime 0 ms.
[2026-05-24 20:17:35] [INFO ] Implicit Places using invariants in 21 ms returned []
[2026-05-24 20:17:35] [INFO ] Flow matrix only has 14 transitions (discarded 7 similar events)
[2026-05-24 20:17:35] [INFO ] Invariant cache hit.
[2026-05-24 20:17:35] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 20:17:35] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 50 ms to find 0 implicit places.
[2026-05-24 20:17:35] [INFO ] Redundant transitions in 0 ms returned []
Running 20 sub problems to find dead transitions.
[2026-05-24 20:17:35] [INFO ] Flow matrix only has 14 transitions (discarded 7 similar events)
[2026-05-24 20:17:35] [INFO ] Invariant cache hit.
[2026-05-24 20:17:35] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 1/11 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 2/13 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (OVERLAPS) 13/26 variables, 13/18 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/26 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (OVERLAPS) 1/27 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/27 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 9 (OVERLAPS) 0/27 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 27/27 variables, and 19 constraints, problems are : Problem set: 0 solved, 20 unsolved in 246 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 13/13 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 1/11 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 2/13 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (OVERLAPS) 13/26 variables, 13/18 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/26 variables, 20/38 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/26 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (OVERLAPS) 1/27 variables, 1/39 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/27 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 10 (OVERLAPS) 0/27 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 27/27 variables, and 39 constraints, problems are : Problem set: 0 solved, 20 unsolved in 206 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 13/13 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 457ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 457ms
Starting structural reductions in SI_LTL mode, iteration 1 : 13/257 places, 21/424 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 524 ms. Remains : 13/257 places, 21/424 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 42 ms :[(NOT p0)]
Running random walk in product with property : DLCshifumi-PT-3a-LTLFireability-03
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA DLCshifumi-PT-3a-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCshifumi-PT-3a-LTLFireability-03 finished in 594 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(!((p0 U X(p1)) U ((!X(G(p0)) U !p1) U p2)))'
Support contains 6 out of 257 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 257/257 places, 424/424 transitions.
Reduce places removed 26 places and 0 transitions.
Iterating post reduction 0 with 26 rules applied. Total rules applied 26 place count 231 transition count 424
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 33 place count 224 transition count 410
Iterating global reduction 1 with 7 rules applied. Total rules applied 40 place count 224 transition count 410
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 42 place count 224 transition count 408
Applied a total of 42 rules in 26 ms. Remains 224 /257 variables (removed 33) and now considering 408/424 (removed 16) transitions.
[2026-05-24 20:17:36] [INFO ] Flow matrix only has 318 transitions (discarded 90 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1483198706182385950.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11975551155181768660.kers'
[2026-05-24 20:17:36] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1483198706182385950.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11975551155181768660.kers]
Normalized transition count is 317 out of 318 initially.
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 317 rows 221 cols 675 entries
Finished phase 1 with 179 SingleSign rule and 0 generalized
[2026-05-24 20:17:36] [INFO ] Computed 45 invariants in 1 ms
Computed 45 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-11975551155181768660.kers
Total runtime 1 ms.
[2026-05-24 20:17:36] [INFO ] Implicit Places using invariants in 49 ms returned []
[2026-05-24 20:17:36] [INFO ] Flow matrix only has 318 transitions (discarded 90 similar events)
[2026-05-24 20:17:36] [INFO ] Invariant cache hit.
[2026-05-24 20:17:36] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 20:17:36] [INFO ] Implicit Places using invariants and state equation in 97 ms returned []
Implicit Place search using SMT with State Equation took 148 ms to find 0 implicit places.
Running 407 sub problems to find dead transitions.
[2026-05-24 20:17:36] [INFO ] Flow matrix only has 318 transitions (discarded 90 similar events)
[2026-05-24 20:17:36] [INFO ] Invariant cache hit.
[2026-05-24 20:17:36] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/220 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 1 (OVERLAPS) 1/221 variables, 42/42 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/221 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 3 (OVERLAPS) 3/224 variables, 3/45 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/224 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 5 (OVERLAPS) 317/541 variables, 224/269 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/541 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 7 (OVERLAPS) 1/542 variables, 1/270 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/542 variables, 0/270 constraints. Problems are: Problem set: 0 solved, 407 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 542/542 variables, and 270 constraints, problems are : Problem set: 0 solved, 407 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 45/45 constraints, State Equation: 224/224 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 407/407 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 407 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/220 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 1 (OVERLAPS) 1/221 variables, 42/42 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/221 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 3 (OVERLAPS) 3/224 variables, 3/45 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/224 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 5 (OVERLAPS) 317/541 variables, 224/269 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/541 variables, 407/676 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/541 variables, 0/676 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 8 (OVERLAPS) 1/542 variables, 1/677 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/542 variables, 0/677 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 10 (OVERLAPS) 0/542 variables, 0/677 constraints. Problems are: Problem set: 0 solved, 407 unsolved
No progress, stopping.
After SMT solving in domain Int declared 542/542 variables, and 677 constraints, problems are : Problem set: 0 solved, 407 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 45/45 constraints, State Equation: 224/224 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 407/407 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60096ms problems are : Problem set: 0 solved, 407 unsolved
Search for dead transitions found 0 dead transitions in 60097ms
Starting structural reductions in LTL mode, iteration 1 : 224/257 places, 408/424 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60273 ms. Remains : 224/257 places, 408/424 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(!((p0 U X(p1)) U ((!X(G(p0)) U !p1) U p2)))'
Stuttering acceptance computed with spot in 419 ms :[true, (AND (NOT p0) p2), (NOT p0), (AND p2 (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1)), p2, p2, p2, (OR (AND (NOT p0) p2) (AND p1 p2)), (OR (AND (NOT p0) p2) (AND p1 p2)), (OR (NOT p0) p1)]
Running random walk in product with property : DLCshifumi-PT-3a-LTLFireability-04
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA DLCshifumi-PT-3a-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCshifumi-PT-3a-LTLFireability-04 finished in 60746 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((G(p0) U X(X(X(X((!p1||G(!p2))))))))))'
Support contains 5 out of 257 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 257/257 places, 424/424 transitions.
Reduce places removed 27 places and 0 transitions.
Iterating post reduction 0 with 27 rules applied. Total rules applied 27 place count 230 transition count 424
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 33 place count 224 transition count 412
Iterating global reduction 1 with 6 rules applied. Total rules applied 39 place count 224 transition count 412
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 40 place count 224 transition count 411
Applied a total of 40 rules in 6 ms. Remains 224 /257 variables (removed 33) and now considering 411/424 (removed 13) transitions.
[2026-05-24 20:18:36] [INFO ] Flow matrix only has 320 transitions (discarded 91 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7497415277142561293.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16973719548437062846.kers'
[2026-05-24 20:18:36] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7497415277142561293.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16973719548437062846.kers]
Normalized transition count is 319 out of 320 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 319 rows 222 cols 679 entries
Finished phase 1 with 180 SingleSign rule and 0 generalized
[2026-05-24 20:18:36] [INFO ] Computed 44 invariants in 0 ms
Computed 44 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-16973719548437062846.kers
Total runtime 1 ms.
[2026-05-24 20:18:36] [INFO ] Implicit Places using invariants in 100 ms returned []
[2026-05-24 20:18:36] [INFO ] Flow matrix only has 320 transitions (discarded 91 similar events)
[2026-05-24 20:18:36] [INFO ] Invariant cache hit.
[2026-05-24 20:18:36] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 20:18:37] [INFO ] Implicit Places using invariants and state equation in 139 ms returned []
Implicit Place search using SMT with State Equation took 243 ms to find 0 implicit places.
Running 410 sub problems to find dead transitions.
[2026-05-24 20:18:37] [INFO ] Flow matrix only has 320 transitions (discarded 91 similar events)
[2026-05-24 20:18:37] [INFO ] Invariant cache hit.
[2026-05-24 20:18:37] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/221 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 410 unsolved
At refinement iteration 1 (OVERLAPS) 1/222 variables, 42/42 constraints. Problems are: Problem set: 0 solved, 410 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/222 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 410 unsolved
At refinement iteration 3 (OVERLAPS) 2/224 variables, 2/44 constraints. Problems are: Problem set: 0 solved, 410 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/224 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 410 unsolved
At refinement iteration 5 (OVERLAPS) 319/543 variables, 224/268 constraints. Problems are: Problem set: 0 solved, 410 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/543 variables, 0/268 constraints. Problems are: Problem set: 0 solved, 410 unsolved
At refinement iteration 7 (OVERLAPS) 1/544 variables, 1/269 constraints. Problems are: Problem set: 0 solved, 410 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/544 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 410 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 544/544 variables, and 269 constraints, problems are : Problem set: 0 solved, 410 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 44/44 constraints, State Equation: 224/224 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 410/410 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 410 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/221 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 410 unsolved
At refinement iteration 1 (OVERLAPS) 1/222 variables, 42/42 constraints. Problems are: Problem set: 0 solved, 410 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/222 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 410 unsolved
At refinement iteration 3 (OVERLAPS) 2/224 variables, 2/44 constraints. Problems are: Problem set: 0 solved, 410 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/224 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 410 unsolved
At refinement iteration 5 (OVERLAPS) 319/543 variables, 224/268 constraints. Problems are: Problem set: 0 solved, 410 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/543 variables, 410/678 constraints. Problems are: Problem set: 0 solved, 410 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/543 variables, 0/678 constraints. Problems are: Problem set: 0 solved, 410 unsolved
At refinement iteration 8 (OVERLAPS) 1/544 variables, 1/679 constraints. Problems are: Problem set: 0 solved, 410 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/544 variables, 0/679 constraints. Problems are: Problem set: 0 solved, 410 unsolved
At refinement iteration 10 (OVERLAPS) 0/544 variables, 0/679 constraints. Problems are: Problem set: 0 solved, 410 unsolved
No progress, stopping.
After SMT solving in domain Int declared 544/544 variables, and 679 constraints, problems are : Problem set: 0 solved, 410 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 44/44 constraints, State Equation: 224/224 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 410/410 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60076ms problems are : Problem set: 0 solved, 410 unsolved
Search for dead transitions found 0 dead transitions in 60078ms
Starting structural reductions in LTL mode, iteration 1 : 224/257 places, 411/424 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60329 ms. Remains : 224/257 places, 411/424 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((G(p0) U X(X(X(X((!p1||G(!p2))))))))))'
Stuttering acceptance computed with spot in 633 ms :[(AND p1 p2), (AND p1 p2), (AND p1 p2), (AND p2 p1), (AND p1 p2), (AND p2 p1), (AND p2 p1), (AND p2 p1), true, p2, (AND p1 p2), (AND p1 p2), (AND p1 p2), (NOT p0), (AND p2 (NOT p0))]
Running random walk in product with property : DLCshifumi-PT-3a-LTLFireability-05
Entered a terminal (fully accepting) state of product in 501 steps with 58 reset in 15 ms.
FORMULA DLCshifumi-PT-3a-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCshifumi-PT-3a-LTLFireability-05 finished in 61043 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(X((X((!p0 U p1))&&!p2)))) U p3))'
Support contains 8 out of 257 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 257/257 places, 424/424 transitions.
Reduce places removed 25 places and 0 transitions.
Iterating post reduction 0 with 25 rules applied. Total rules applied 25 place count 232 transition count 424
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 32 place count 225 transition count 410
Iterating global reduction 1 with 7 rules applied. Total rules applied 39 place count 225 transition count 410
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 41 place count 225 transition count 408
Applied a total of 41 rules in 8 ms. Remains 225 /257 variables (removed 32) and now considering 408/424 (removed 16) transitions.
[2026-05-24 20:19:37] [INFO ] Flow matrix only has 318 transitions (discarded 90 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1860447653137530775.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8747333884346343437.kers'
[2026-05-24 20:19:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1860447653137530775.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8747333884346343437.kers]
Normalized transition count is 317 out of 318 initially.
Culling duplicate invariants (modulo rational): removing 4 columns.
Culled 4 columns in 0 ms.
// Phase 1: matrix 317 rows 221 cols 675 entries
Finished phase 1 with 179 SingleSign rule and 0 generalized
[2026-05-24 20:19:37] [INFO ] Computed 46 invariants in 1 ms
Computed 46 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-8747333884346343437.kers
Total runtime 1 ms.
[2026-05-24 20:19:37] [INFO ] Implicit Places using invariants in 44 ms returned []
[2026-05-24 20:19:37] [INFO ] Flow matrix only has 318 transitions (discarded 90 similar events)
[2026-05-24 20:19:37] [INFO ] Invariant cache hit.
[2026-05-24 20:19:37] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 20:19:37] [INFO ] Implicit Places using invariants and state equation in 101 ms returned []
Implicit Place search using SMT with State Equation took 146 ms to find 0 implicit places.
Running 407 sub problems to find dead transitions.
[2026-05-24 20:19:37] [INFO ] Flow matrix only has 318 transitions (discarded 90 similar events)
[2026-05-24 20:19:37] [INFO ] Invariant cache hit.
[2026-05-24 20:19:37] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/220 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 1 (OVERLAPS) 1/221 variables, 42/42 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/221 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 3 (OVERLAPS) 4/225 variables, 4/46 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/225 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 5 (OVERLAPS) 317/542 variables, 225/271 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/542 variables, 0/271 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 7 (OVERLAPS) 1/543 variables, 1/272 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/543 variables, 0/272 constraints. Problems are: Problem set: 0 solved, 407 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 543/543 variables, and 272 constraints, problems are : Problem set: 0 solved, 407 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 46/46 constraints, State Equation: 225/225 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 407/407 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 407 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/220 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 1 (OVERLAPS) 1/221 variables, 42/42 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/221 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 3 (OVERLAPS) 4/225 variables, 4/46 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/225 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 5 (OVERLAPS) 317/542 variables, 225/271 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/542 variables, 407/678 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/542 variables, 0/678 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 8 (OVERLAPS) 1/543 variables, 1/679 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/543 variables, 0/679 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 10 (OVERLAPS) 0/543 variables, 0/679 constraints. Problems are: Problem set: 0 solved, 407 unsolved
No progress, stopping.
After SMT solving in domain Int declared 543/543 variables, and 679 constraints, problems are : Problem set: 0 solved, 407 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 46/46 constraints, State Equation: 225/225 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 407/407 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60058ms problems are : Problem set: 0 solved, 407 unsolved
Search for dead transitions found 0 dead transitions in 60059ms
Starting structural reductions in LTL mode, iteration 1 : 225/257 places, 408/424 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60216 ms. Remains : 225/257 places, 408/424 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(X((X((!p0 U p1))&&!p2)))) U p3))'
Stuttering acceptance computed with spot in 238 ms :[(NOT p3), (OR (NOT p1) (NOT p3) p2), (OR (NOT p1) p2), (OR (NOT p1) p2), true, (NOT p1)]
Running random walk in product with property : DLCshifumi-PT-3a-LTLFireability-06
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA DLCshifumi-PT-3a-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCshifumi-PT-3a-LTLFireability-06 finished in 60489 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 3 out of 257 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 257/257 places, 424/424 transitions.
Graph (trivial) has 413 edges and 257 vertex of which 220 / 257 are part of one of the 41 SCC in 1 ms
Free SCC test removed 179 places
Ensure Unique test removed 368 transitions
Reduce isomorphic transitions removed 368 transitions.
Graph (complete) has 126 edges and 78 vertex of which 50 are kept as prefixes of interest. Removing 28 places using SCC suffix rule.1 ms
Discarding 28 places :
Also discarding 0 output transitions
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 50 transition count 54
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 6 place count 48 transition count 54
Discarding 40 places :
Symmetric choice reduction at 2 with 40 rule applications. Total rules 46 place count 8 transition count 13
Iterating global reduction 2 with 40 rules applied. Total rules applied 86 place count 8 transition count 13
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 87 place count 8 transition count 12
Applied a total of 87 rules in 5 ms. Remains 8 /257 variables (removed 249) and now considering 12/424 (removed 412) transitions.
[2026-05-24 20:20:38] [INFO ] Flow matrix only has 8 transitions (discarded 4 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-18194172217902041872.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4121800363045968903.kers'
[2026-05-24 20:20:38] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-18194172217902041872.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4121800363045968903.kers]
Normalized transition count is 7 out of 8 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 7 rows 6 cols 15 entries
Finished phase 1 with 4 SingleSign rule and 0 generalized
[2026-05-24 20:20:38] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-4121800363045968903.kers
Total runtime 0 ms.
[2026-05-24 20:20:38] [INFO ] Implicit Places using invariants in 17 ms returned []
[2026-05-24 20:20:38] [INFO ] Flow matrix only has 8 transitions (discarded 4 similar events)
[2026-05-24 20:20:38] [INFO ] Invariant cache hit.
[2026-05-24 20:20:38] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 20:20:38] [INFO ] Implicit Places using invariants and state equation in 18 ms returned []
Implicit Place search using SMT with State Equation took 36 ms to find 0 implicit places.
[2026-05-24 20:20:38] [INFO ] Redundant transitions in 0 ms returned []
Running 11 sub problems to find dead transitions.
[2026-05-24 20:20:38] [INFO ] Flow matrix only has 8 transitions (discarded 4 similar events)
[2026-05-24 20:20:38] [INFO ] Invariant cache hit.
[2026-05-24 20:20:38] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (OVERLAPS) 1/7 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 3 (OVERLAPS) 1/8 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 7 (OVERLAPS) 1/16 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/16 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 9 (OVERLAPS) 0/16 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 11 unsolved
No progress, stopping.
After SMT solving in domain Real declared 16/16 variables, and 13 constraints, problems are : Problem set: 0 solved, 11 unsolved in 120 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 8/8 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 11/11 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 11 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (OVERLAPS) 1/7 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 3 (OVERLAPS) 1/8 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 11/23 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/15 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 8 (OVERLAPS) 1/16 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/16 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 10 (OVERLAPS) 0/16 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 11 unsolved
No progress, stopping.
After SMT solving in domain Int declared 16/16 variables, and 24 constraints, problems are : Problem set: 0 solved, 11 unsolved in 121 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 8/8 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 11/11 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 243ms problems are : Problem set: 0 solved, 11 unsolved
Search for dead transitions found 0 dead transitions in 243ms
Starting structural reductions in SI_LTL mode, iteration 1 : 8/257 places, 12/424 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 288 ms. Remains : 8/257 places, 12/424 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 71 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : DLCshifumi-PT-3a-LTLFireability-07
Stuttering criterion allowed to conclude after 4 steps with 0 reset in 0 ms.
FORMULA DLCshifumi-PT-3a-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCshifumi-PT-3a-LTLFireability-07 finished in 386 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0) U X(X(X(X(p1))))))'
Support contains 4 out of 257 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 257/257 places, 424/424 transitions.
Reduce places removed 27 places and 0 transitions.
Iterating post reduction 0 with 27 rules applied. Total rules applied 27 place count 230 transition count 424
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 35 place count 222 transition count 408
Iterating global reduction 1 with 8 rules applied. Total rules applied 43 place count 222 transition count 408
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 45 place count 222 transition count 406
Applied a total of 45 rules in 5 ms. Remains 222 /257 variables (removed 35) and now considering 406/424 (removed 18) transitions.
[2026-05-24 20:20:38] [INFO ] Flow matrix only has 317 transitions (discarded 89 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8867730906830865661.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9998103755296984935.kers'
[2026-05-24 20:20:38] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8867730906830865661.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9998103755296984935.kers]
Normalized transition count is 316 out of 317 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 316 rows 220 cols 673 entries
Finished phase 1 with 178 SingleSign rule and 0 generalized
[2026-05-24 20:20:38] [INFO ] Computed 44 invariants in 0 ms
Computed 44 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-9998103755296984935.kers
Total runtime 1 ms.
[2026-05-24 20:20:38] [INFO ] Implicit Places using invariants in 47 ms returned []
[2026-05-24 20:20:38] [INFO ] Flow matrix only has 317 transitions (discarded 89 similar events)
[2026-05-24 20:20:38] [INFO ] Invariant cache hit.
[2026-05-24 20:20:38] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 20:20:38] [INFO ] Implicit Places using invariants and state equation in 99 ms returned []
Implicit Place search using SMT with State Equation took 147 ms to find 0 implicit places.
Running 405 sub problems to find dead transitions.
[2026-05-24 20:20:38] [INFO ] Flow matrix only has 317 transitions (discarded 89 similar events)
[2026-05-24 20:20:38] [INFO ] Invariant cache hit.
[2026-05-24 20:20:38] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/219 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 1 (OVERLAPS) 1/220 variables, 42/42 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/220 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 3 (OVERLAPS) 2/222 variables, 2/44 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/222 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 5 (OVERLAPS) 316/538 variables, 222/266 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/538 variables, 0/266 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 7 (OVERLAPS) 1/539 variables, 1/267 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/539 variables, 0/267 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 9 (OVERLAPS) 0/539 variables, 0/267 constraints. Problems are: Problem set: 0 solved, 405 unsolved
No progress, stopping.
After SMT solving in domain Real declared 539/539 variables, and 267 constraints, problems are : Problem set: 0 solved, 405 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 44/44 constraints, State Equation: 222/222 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 405/405 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 405 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/219 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 1 (OVERLAPS) 1/220 variables, 42/42 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/220 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 3 (OVERLAPS) 2/222 variables, 2/44 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/222 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 5 (OVERLAPS) 316/538 variables, 222/266 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/538 variables, 405/671 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/538 variables, 0/671 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 8 (OVERLAPS) 1/539 variables, 1/672 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/539 variables, 0/672 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 10 (OVERLAPS) 0/539 variables, 0/672 constraints. Problems are: Problem set: 0 solved, 405 unsolved
No progress, stopping.
After SMT solving in domain Int declared 539/539 variables, and 672 constraints, problems are : Problem set: 0 solved, 405 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 44/44 constraints, State Equation: 222/222 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 405/405 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60081ms problems are : Problem set: 0 solved, 405 unsolved
Search for dead transitions found 0 dead transitions in 60082ms
Starting structural reductions in LTL mode, iteration 1 : 222/257 places, 406/424 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60235 ms. Remains : 222/257 places, 406/424 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0) U X(X(X(X(p1))))))'
Stuttering acceptance computed with spot in 400 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), true, (NOT p1), (NOT p1), (NOT p1), (NOT p0)]
Running random walk in product with property : DLCshifumi-PT-3a-LTLFireability-08
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA DLCshifumi-PT-3a-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCshifumi-PT-3a-LTLFireability-08 finished in 60674 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)))'
Support contains 2 out of 257 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 257/257 places, 424/424 transitions.
Reduce places removed 28 places and 0 transitions.
Iterating post reduction 0 with 28 rules applied. Total rules applied 28 place count 229 transition count 424
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 36 place count 221 transition count 408
Iterating global reduction 1 with 8 rules applied. Total rules applied 44 place count 221 transition count 408
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 46 place count 221 transition count 406
Applied a total of 46 rules in 6 ms. Remains 221 /257 variables (removed 36) and now considering 406/424 (removed 18) transitions.
[2026-05-24 20:21:39] [INFO ] Flow matrix only has 317 transitions (discarded 89 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3266391646136133929.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1829812001859111504.kers'
[2026-05-24 20:21:39] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3266391646136133929.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1829812001859111504.kers]
Normalized transition count is 316 out of 317 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 316 rows 220 cols 673 entries
Finished phase 1 with 178 SingleSign rule and 0 generalized
[2026-05-24 20:21:39] [INFO ] Computed 43 invariants in 1 ms
Computed 43 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-1829812001859111504.kers
Total runtime 2 ms.
[2026-05-24 20:21:39] [INFO ] Implicit Places using invariants in 51 ms returned []
[2026-05-24 20:21:39] [INFO ] Flow matrix only has 317 transitions (discarded 89 similar events)
[2026-05-24 20:21:39] [INFO ] Invariant cache hit.
[2026-05-24 20:21:39] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 20:21:39] [INFO ] Implicit Places using invariants and state equation in 98 ms returned []
Implicit Place search using SMT with State Equation took 151 ms to find 0 implicit places.
Running 405 sub problems to find dead transitions.
[2026-05-24 20:21:39] [INFO ] Flow matrix only has 317 transitions (discarded 89 similar events)
[2026-05-24 20:21:39] [INFO ] Invariant cache hit.
[2026-05-24 20:21:39] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/219 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 1 (OVERLAPS) 1/220 variables, 42/42 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/220 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 3 (OVERLAPS) 1/221 variables, 1/43 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/221 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 5 (OVERLAPS) 316/537 variables, 221/264 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/537 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 7 (OVERLAPS) 1/538 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/538 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 405 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 538/538 variables, and 265 constraints, problems are : Problem set: 0 solved, 405 unsolved in 30011 ms.
Refiners :[Positive P Invariants (semi-flows): 43/43 constraints, State Equation: 221/221 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 405/405 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 405 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/219 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 1 (OVERLAPS) 1/220 variables, 42/42 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/220 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 3 (OVERLAPS) 1/221 variables, 1/43 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/221 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 5 (OVERLAPS) 316/537 variables, 221/264 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/537 variables, 405/669 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/537 variables, 0/669 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 8 (OVERLAPS) 1/538 variables, 1/670 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/538 variables, 0/670 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 10 (OVERLAPS) 0/538 variables, 0/670 constraints. Problems are: Problem set: 0 solved, 405 unsolved
No progress, stopping.
After SMT solving in domain Int declared 538/538 variables, and 670 constraints, problems are : Problem set: 0 solved, 405 unsolved in 29452 ms.
Refiners :[Positive P Invariants (semi-flows): 43/43 constraints, State Equation: 221/221 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 405/405 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 59483ms problems are : Problem set: 0 solved, 405 unsolved
Search for dead transitions found 0 dead transitions in 59483ms
Starting structural reductions in LTL mode, iteration 1 : 221/257 places, 406/424 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 59642 ms. Remains : 221/257 places, 406/424 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)))'
Stuttering acceptance computed with spot in 99 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : DLCshifumi-PT-3a-LTLFireability-09
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA DLCshifumi-PT-3a-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCshifumi-PT-3a-LTLFireability-09 finished in 59768 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(!(G(p0) U X(!p1))) U p0)))'
Support contains 4 out of 257 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 257/257 places, 424/424 transitions.
Reduce places removed 27 places and 0 transitions.
Iterating post reduction 0 with 27 rules applied. Total rules applied 27 place count 230 transition count 424
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 33 place count 224 transition count 412
Iterating global reduction 1 with 6 rules applied. Total rules applied 39 place count 224 transition count 412
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 40 place count 224 transition count 411
Applied a total of 40 rules in 8 ms. Remains 224 /257 variables (removed 33) and now considering 411/424 (removed 13) transitions.
[2026-05-24 20:22:39] [INFO ] Flow matrix only has 320 transitions (discarded 91 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3588205770674362280.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12457975293129558877.kers'
[2026-05-24 20:22:39] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3588205770674362280.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12457975293129558877.kers]
Normalized transition count is 319 out of 320 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 319 rows 222 cols 679 entries
Finished phase 1 with 180 SingleSign rule and 0 generalized
[2026-05-24 20:22:39] [INFO ] Computed 44 invariants in 3 ms
Computed 44 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-12457975293129558877.kers
Total runtime 4 ms.
[2026-05-24 20:22:39] [INFO ] Implicit Places using invariants in 48 ms returned []
[2026-05-24 20:22:39] [INFO ] Flow matrix only has 320 transitions (discarded 91 similar events)
[2026-05-24 20:22:39] [INFO ] Invariant cache hit.
[2026-05-24 20:22:39] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 20:22:39] [INFO ] Implicit Places using invariants and state equation in 106 ms returned []
Implicit Place search using SMT with State Equation took 161 ms to find 0 implicit places.
Running 410 sub problems to find dead transitions.
[2026-05-24 20:22:39] [INFO ] Flow matrix only has 320 transitions (discarded 91 similar events)
[2026-05-24 20:22:39] [INFO ] Invariant cache hit.
[2026-05-24 20:22:39] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/221 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 410 unsolved
At refinement iteration 1 (OVERLAPS) 1/222 variables, 42/42 constraints. Problems are: Problem set: 0 solved, 410 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/222 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 410 unsolved
At refinement iteration 3 (OVERLAPS) 2/224 variables, 2/44 constraints. Problems are: Problem set: 0 solved, 410 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/224 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 410 unsolved
At refinement iteration 5 (OVERLAPS) 319/543 variables, 224/268 constraints. Problems are: Problem set: 0 solved, 410 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/543 variables, 0/268 constraints. Problems are: Problem set: 0 solved, 410 unsolved
At refinement iteration 7 (OVERLAPS) 1/544 variables, 1/269 constraints. Problems are: Problem set: 0 solved, 410 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/544 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 410 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 544/544 variables, and 269 constraints, problems are : Problem set: 0 solved, 410 unsolved in 30010 ms.
Refiners :[Positive P Invariants (semi-flows): 44/44 constraints, State Equation: 224/224 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 410/410 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 410 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/221 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 410 unsolved
At refinement iteration 1 (OVERLAPS) 1/222 variables, 42/42 constraints. Problems are: Problem set: 0 solved, 410 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/222 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 410 unsolved
At refinement iteration 3 (OVERLAPS) 2/224 variables, 2/44 constraints. Problems are: Problem set: 0 solved, 410 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/224 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 410 unsolved
At refinement iteration 5 (OVERLAPS) 319/543 variables, 224/268 constraints. Problems are: Problem set: 0 solved, 410 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/543 variables, 410/678 constraints. Problems are: Problem set: 0 solved, 410 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/543 variables, 0/678 constraints. Problems are: Problem set: 0 solved, 410 unsolved
At refinement iteration 8 (OVERLAPS) 1/544 variables, 1/679 constraints. Problems are: Problem set: 0 solved, 410 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/544 variables, 0/679 constraints. Problems are: Problem set: 0 solved, 410 unsolved
At refinement iteration 10 (OVERLAPS) 0/544 variables, 0/679 constraints. Problems are: Problem set: 0 solved, 410 unsolved
No progress, stopping.
After SMT solving in domain Int declared 544/544 variables, and 679 constraints, problems are : Problem set: 0 solved, 410 unsolved in 30010 ms.
Refiners :[Positive P Invariants (semi-flows): 44/44 constraints, State Equation: 224/224 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 410/410 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60046ms problems are : Problem set: 0 solved, 410 unsolved
Search for dead transitions found 0 dead transitions in 60048ms
Starting structural reductions in LTL mode, iteration 1 : 224/257 places, 411/424 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60221 ms. Remains : 224/257 places, 411/424 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(!(G(p0) U X(!p1))) U p0)))'
Stuttering acceptance computed with spot in 286 ms :[(NOT p0), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), p0, (NOT p1), (AND p0 (NOT p1)), true, (NOT p0)]
Running random walk in product with property : DLCshifumi-PT-3a-LTLFireability-10
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA DLCshifumi-PT-3a-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCshifumi-PT-3a-LTLFireability-10 finished in 60545 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||X(G(((F(G(p0)) U p1)||G(p2)))))))'
Support contains 6 out of 257 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 257/257 places, 424/424 transitions.
Reduce places removed 26 places and 0 transitions.
Iterating post reduction 0 with 26 rules applied. Total rules applied 26 place count 231 transition count 424
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 34 place count 223 transition count 408
Iterating global reduction 1 with 8 rules applied. Total rules applied 42 place count 223 transition count 408
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 44 place count 223 transition count 406
Applied a total of 44 rules in 4 ms. Remains 223 /257 variables (removed 34) and now considering 406/424 (removed 18) transitions.
[2026-05-24 20:23:39] [INFO ] Flow matrix only has 317 transitions (discarded 89 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13246097005001855392.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1399129241246019787.kers'
[2026-05-24 20:23:39] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13246097005001855392.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1399129241246019787.kers]
Normalized transition count is 316 out of 317 initially.
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 316 rows 220 cols 673 entries
Finished phase 1 with 178 SingleSign rule and 0 generalized
[2026-05-24 20:23:39] [INFO ] Computed 45 invariants in 2 ms
Computed 45 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-1399129241246019787.kers
Total runtime 3 ms.
[2026-05-24 20:23:39] [INFO ] Implicit Places using invariants in 57 ms returned []
[2026-05-24 20:23:39] [INFO ] Flow matrix only has 317 transitions (discarded 89 similar events)
[2026-05-24 20:23:39] [INFO ] Invariant cache hit.
[2026-05-24 20:23:39] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 20:23:39] [INFO ] Implicit Places using invariants and state equation in 103 ms returned []
Implicit Place search using SMT with State Equation took 174 ms to find 0 implicit places.
Running 405 sub problems to find dead transitions.
[2026-05-24 20:23:39] [INFO ] Flow matrix only has 317 transitions (discarded 89 similar events)
[2026-05-24 20:23:39] [INFO ] Invariant cache hit.
[2026-05-24 20:23:39] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/219 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 1 (OVERLAPS) 1/220 variables, 42/42 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/220 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 3 (OVERLAPS) 3/223 variables, 3/45 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/223 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 5 (OVERLAPS) 316/539 variables, 223/268 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/539 variables, 0/268 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 7 (OVERLAPS) 1/540 variables, 1/269 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/540 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 9 (OVERLAPS) 0/540 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 405 unsolved
No progress, stopping.
After SMT solving in domain Real declared 540/540 variables, and 269 constraints, problems are : Problem set: 0 solved, 405 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 45/45 constraints, State Equation: 223/223 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 405/405 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 405 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/219 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 1 (OVERLAPS) 1/220 variables, 42/42 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/220 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 3 (OVERLAPS) 3/223 variables, 3/45 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/223 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 5 (OVERLAPS) 316/539 variables, 223/268 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/539 variables, 405/673 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/539 variables, 0/673 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 8 (OVERLAPS) 1/540 variables, 1/674 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/540 variables, 0/674 constraints. Problems are: Problem set: 0 solved, 405 unsolved
At refinement iteration 10 (OVERLAPS) 0/540 variables, 0/674 constraints. Problems are: Problem set: 0 solved, 405 unsolved
No progress, stopping.
After SMT solving in domain Int declared 540/540 variables, and 674 constraints, problems are : Problem set: 0 solved, 405 unsolved in 29454 ms.
Refiners :[Positive P Invariants (semi-flows): 45/45 constraints, State Equation: 223/223 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 405/405 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 59488ms problems are : Problem set: 0 solved, 405 unsolved
Search for dead transitions found 0 dead transitions in 59489ms
Starting structural reductions in LTL mode, iteration 1 : 223/257 places, 406/424 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 59669 ms. Remains : 223/257 places, 406/424 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(G(((F(G(p0)) U p1)||G(p2))))||p0)))'
Stuttering acceptance computed with spot in 252 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p0), (NOT p1), (AND (NOT p0) p1 (NOT p2))]
Running random walk in product with property : DLCshifumi-PT-3a-LTLFireability-12
Stuttering criterion allowed to conclude after 304 steps with 8 reset in 5 ms.
FORMULA DLCshifumi-PT-3a-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCshifumi-PT-3a-LTLFireability-12 finished in 59964 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((!p0||X((G((G(p1)||F(p2))) U (!p0&&G((G(p1)||F(p2))))))) U p3))'
Support contains 8 out of 257 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 257/257 places, 424/424 transitions.
Reduce places removed 25 places and 0 transitions.
Iterating post reduction 0 with 25 rules applied. Total rules applied 25 place count 232 transition count 424
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 32 place count 225 transition count 410
Iterating global reduction 1 with 7 rules applied. Total rules applied 39 place count 225 transition count 410
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 41 place count 225 transition count 408
Applied a total of 41 rules in 6 ms. Remains 225 /257 variables (removed 32) and now considering 408/424 (removed 16) transitions.
[2026-05-24 20:24:39] [INFO ] Flow matrix only has 318 transitions (discarded 90 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8614145695085000637.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13397610473799825556.kers'
[2026-05-24 20:24:39] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8614145695085000637.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13397610473799825556.kers]
Normalized transition count is 317 out of 318 initially.
Culling duplicate invariants (modulo rational): removing 4 columns.
Culled 4 columns in 0 ms.
// Phase 1: matrix 317 rows 221 cols 675 entries
Finished phase 1 with 179 SingleSign rule and 0 generalized
[2026-05-24 20:24:39] [INFO ] Computed 46 invariants in 0 ms
Computed 46 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-13397610473799825556.kers
Total runtime 1 ms.
[2026-05-24 20:24:39] [INFO ] Implicit Places using invariants in 49 ms returned []
[2026-05-24 20:24:39] [INFO ] Flow matrix only has 318 transitions (discarded 90 similar events)
[2026-05-24 20:24:39] [INFO ] Invariant cache hit.
[2026-05-24 20:24:39] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 20:24:39] [INFO ] Implicit Places using invariants and state equation in 95 ms returned []
Implicit Place search using SMT with State Equation took 146 ms to find 0 implicit places.
Running 407 sub problems to find dead transitions.
[2026-05-24 20:24:39] [INFO ] Flow matrix only has 318 transitions (discarded 90 similar events)
[2026-05-24 20:24:39] [INFO ] Invariant cache hit.
[2026-05-24 20:24:39] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/220 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 1 (OVERLAPS) 1/221 variables, 42/42 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/221 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 3 (OVERLAPS) 4/225 variables, 4/46 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/225 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 5 (OVERLAPS) 317/542 variables, 225/271 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/542 variables, 0/271 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 7 (OVERLAPS) 1/543 variables, 1/272 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/543 variables, 0/272 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 9 (OVERLAPS) 0/543 variables, 0/272 constraints. Problems are: Problem set: 0 solved, 407 unsolved
No progress, stopping.
After SMT solving in domain Real declared 543/543 variables, and 272 constraints, problems are : Problem set: 0 solved, 407 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 46/46 constraints, State Equation: 225/225 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 407/407 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 407 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/220 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 1 (OVERLAPS) 1/221 variables, 42/42 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/221 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 3 (OVERLAPS) 4/225 variables, 4/46 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/225 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 5 (OVERLAPS) 317/542 variables, 225/271 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/542 variables, 407/678 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/542 variables, 0/678 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 8 (OVERLAPS) 1/543 variables, 1/679 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/543 variables, 0/679 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 10 (OVERLAPS) 0/543 variables, 0/679 constraints. Problems are: Problem set: 0 solved, 407 unsolved
No progress, stopping.
After SMT solving in domain Int declared 543/543 variables, and 679 constraints, problems are : Problem set: 0 solved, 407 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 46/46 constraints, State Equation: 225/225 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 407/407 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60067ms problems are : Problem set: 0 solved, 407 unsolved
Search for dead transitions found 0 dead transitions in 60068ms
Starting structural reductions in LTL mode, iteration 1 : 225/257 places, 408/424 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60223 ms. Remains : 225/257 places, 408/424 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((!p0||X((G((G(p1)||F(p2))) U (!p0&&G((G(p1)||F(p2))))))) U p3))'
Stuttering acceptance computed with spot in 160 ms :[(NOT p3), (OR p0 (AND (NOT p1) (NOT p2))), (NOT p2), (AND (NOT p2) (NOT p1))]
Running random walk in product with property : DLCshifumi-PT-3a-LTLFireability-13
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 1 ms.
FORMULA DLCshifumi-PT-3a-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCshifumi-PT-3a-LTLFireability-13 finished in 60434 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((p0 U (!p1 U p2))||X(p3)||G(p4))))'
Support contains 7 out of 257 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 257/257 places, 424/424 transitions.
Reduce places removed 26 places and 0 transitions.
Iterating post reduction 0 with 26 rules applied. Total rules applied 26 place count 231 transition count 424
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 32 place count 225 transition count 412
Iterating global reduction 1 with 6 rules applied. Total rules applied 38 place count 225 transition count 412
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 40 place count 225 transition count 410
Applied a total of 40 rules in 10 ms. Remains 225 /257 variables (removed 32) and now considering 410/424 (removed 14) transitions.
[2026-05-24 20:25:40] [INFO ] Flow matrix only has 319 transitions (discarded 91 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11571070437103678305.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4468118235259880230.kers'
[2026-05-24 20:25:40] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11571070437103678305.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4468118235259880230.kers]
Normalized transition count is 318 out of 319 initially.
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 318 rows 222 cols 677 entries
Finished phase 1 with 180 SingleSign rule and 0 generalized
[2026-05-24 20:25:40] [INFO ] Computed 45 invariants in 1 ms
Computed 45 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-4468118235259880230.kers
Total runtime 2 ms.
[2026-05-24 20:25:40] [INFO ] Implicit Places using invariants in 45 ms returned []
[2026-05-24 20:25:40] [INFO ] Flow matrix only has 319 transitions (discarded 91 similar events)
[2026-05-24 20:25:40] [INFO ] Invariant cache hit.
[2026-05-24 20:25:40] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 20:25:40] [INFO ] Implicit Places using invariants and state equation in 117 ms returned []
Implicit Place search using SMT with State Equation took 165 ms to find 0 implicit places.
Running 409 sub problems to find dead transitions.
[2026-05-24 20:25:40] [INFO ] Flow matrix only has 319 transitions (discarded 91 similar events)
[2026-05-24 20:25:40] [INFO ] Invariant cache hit.
[2026-05-24 20:25:40] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/221 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 1 (OVERLAPS) 1/222 variables, 42/42 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/222 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 3 (OVERLAPS) 3/225 variables, 3/45 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/225 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 5 (OVERLAPS) 318/543 variables, 225/270 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/543 variables, 0/270 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 7 (OVERLAPS) 1/544 variables, 1/271 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/544 variables, 0/271 constraints. Problems are: Problem set: 0 solved, 409 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 544/544 variables, and 271 constraints, problems are : Problem set: 0 solved, 409 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 45/45 constraints, State Equation: 225/225 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 409/409 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 409 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/221 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 1 (OVERLAPS) 1/222 variables, 42/42 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/222 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 3 (OVERLAPS) 3/225 variables, 3/45 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/225 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 5 (OVERLAPS) 318/543 variables, 225/270 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/543 variables, 409/679 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/543 variables, 0/679 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 8 (OVERLAPS) 1/544 variables, 1/680 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/544 variables, 0/680 constraints. Problems are: Problem set: 0 solved, 409 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 544/544 variables, and 680 constraints, problems are : Problem set: 0 solved, 409 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 45/45 constraints, State Equation: 225/225 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 409/409 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60056ms problems are : Problem set: 0 solved, 409 unsolved
Search for dead transitions found 0 dead transitions in 60057ms
Starting structural reductions in LTL mode, iteration 1 : 225/257 places, 410/424 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60234 ms. Remains : 225/257 places, 410/424 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((p0 U (!p1 U p2))||X(p3)||G(p4))))'
Stuttering acceptance computed with spot in 515 ms :[true, (NOT p3), (AND (NOT p2) (NOT p3) (NOT p4)), (AND (NOT p2) (NOT p3) (NOT p4)), (AND (NOT p4) (NOT p3)), (AND (NOT p2) (NOT p3) (NOT p4)), (AND (NOT p2) (NOT p3) (NOT p4)), (NOT p4), (AND (NOT p2) (NOT p4)), (AND (NOT p2) (NOT p4)), (AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (NOT p2), (NOT p2)]
Running random walk in product with property : DLCshifumi-PT-3a-LTLFireability-14
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA DLCshifumi-PT-3a-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCshifumi-PT-3a-LTLFireability-14 finished in 60790 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 257 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 257/257 places, 424/424 transitions.
Graph (trivial) has 417 edges and 257 vertex of which 222 / 257 are part of one of the 41 SCC in 1 ms
Free SCC test removed 181 places
Ensure Unique test removed 373 transitions
Reduce isomorphic transitions removed 373 transitions.
Graph (complete) has 121 edges and 76 vertex of which 48 are kept as prefixes of interest. Removing 28 places using SCC suffix rule.0 ms
Discarding 28 places :
Also discarding 0 output transitions
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 48 transition count 49
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 7 place count 46 transition count 48
Discarding 40 places :
Symmetric choice reduction at 2 with 40 rule applications. Total rules 47 place count 6 transition count 8
Iterating global reduction 2 with 40 rules applied. Total rules applied 87 place count 6 transition count 8
Applied a total of 87 rules in 5 ms. Remains 6 /257 variables (removed 251) and now considering 8/424 (removed 416) transitions.
[2026-05-24 20:26:40] [INFO ] Flow matrix only has 6 transitions (discarded 2 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12375858962018964308.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5269946973250404186.kers'
[2026-05-24 20:26:40] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12375858962018964308.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5269946973250404186.kers]
Normalized transition count is 5 out of 6 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 5 rows 4 cols 10 entries
Finished phase 1 with 3 SingleSign rule and 0 generalized
[2026-05-24 20:26:40] [INFO ] Computed 3 invariants in 0 ms
Computed 3 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-5269946973250404186.kers
Total runtime 0 ms.
[2026-05-24 20:26:40] [INFO ] Implicit Places using invariants in 17 ms returned []
[2026-05-24 20:26:40] [INFO ] Flow matrix only has 6 transitions (discarded 2 similar events)
[2026-05-24 20:26:40] [INFO ] Invariant cache hit.
[2026-05-24 20:26:40] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 20:26:40] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 38 ms to find 0 implicit places.
[2026-05-24 20:26:40] [INFO ] Redundant transitions in 1 ms returned []
Running 7 sub problems to find dead transitions.
[2026-05-24 20:26:40] [INFO ] Flow matrix only has 6 transitions (discarded 2 similar events)
[2026-05-24 20:26:40] [INFO ] Invariant cache hit.
[2026-05-24 20:26:40] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 1/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 5/11 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/11 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (OVERLAPS) 1/12 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/12 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (OVERLAPS) 0/12 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 12/12 variables, and 10 constraints, problems are : Problem set: 0 solved, 7 unsolved in 76 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 6/6 constraints, ReadFeed: 1/1 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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 1/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 5/11 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/11 variables, 7/16 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/11 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (OVERLAPS) 1/12 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/12 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 10 (OVERLAPS) 0/12 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Int declared 12/12 variables, and 17 constraints, problems are : Problem set: 0 solved, 7 unsolved in 77 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 6/6 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 156ms problems are : Problem set: 0 solved, 7 unsolved
Search for dead transitions found 0 dead transitions in 156ms
Starting structural reductions in SI_LTL mode, iteration 1 : 6/257 places, 8/424 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 204 ms. Remains : 6/257 places, 8/424 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Stuttering acceptance computed with spot in 30 ms :[(NOT p0)]
Running random walk in product with property : DLCshifumi-PT-3a-LTLFireability-15
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA DLCshifumi-PT-3a-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCshifumi-PT-3a-LTLFireability-15 finished in 254 ms.
All properties solved by simple procedures.
Total runtime 609904 ms.

BK_STOP 1779654401124

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
++ perl -pe 's/.*\.//g'
+ 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="DLCshifumi-PT-3a"
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 DLCshifumi-PT-3a, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r098-tall-177955695700700"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DLCshifumi-PT-3a.tgz
mv DLCshifumi-PT-3a execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

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