Execution Chart

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

Trace from the execution

Formatting '/data/sdalzilio/mcc2026-input.r008-oct2-177944369900372.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/sdalzilio/mcc2026-input.qcow2 backing_fmt=qcow2 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 AutoFlight-PT-96b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r008-oct2-177944369900372
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.3M
-rw-r--r-- 1 mcc users 7.1K Mar 5 16:34 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K Mar 5 16:34 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.7K Mar 5 16:34 CTLFireability.txt
-rw-r--r-- 1 mcc users 38K Mar 5 16:34 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:16 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 07:16 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 07:17 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 07:17 LTLFireability.xml
-rw-r--r-- 1 mcc users 5.8K Mar 5 16:34 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 47K Mar 5 16:34 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.1K Mar 5 16:34 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 67K Mar 5 16:34 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 07:17 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:17 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 1.9M 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

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1779656234478

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=AutoFlight-PT-96b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-24 20:57:15] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-24 20:57:15] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 20:57:16] [INFO ] Load time of PNML (sax parser for PT used): 290 ms
[2026-05-24 20:57:16] [INFO ] Transformed 7894 places.
[2026-05-24 20:57:16] [INFO ] Transformed 7868 transitions.
[2026-05-24 20:57:16] [INFO ] Found NUPN structural information;
[2026-05-24 20:57:16] [INFO ] Parsed PT model containing 7894 places and 7868 transitions and 18200 arcs in 746 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 7894/7894 places, 7868/7868 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3414 transitions
Trivial Post-agglo rules discarded 3414 transitions
Performed 3414 trivial Post agglomeration. Transition count delta: 3414
Iterating post reduction 0 with 3414 rules applied. Total rules applied 3414 place count 7894 transition count 4454
Reduce places removed 3414 places and 0 transitions.
Ensure Unique test removed 384 transitions
Reduce isomorphic transitions removed 384 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 192 transitions
Trivial Post-agglo rules discarded 192 transitions
Performed 192 trivial Post agglomeration. Transition count delta: 192
Iterating post reduction 1 with 3990 rules applied. Total rules applied 7404 place count 4480 transition count 3878
Reduce places removed 192 places and 0 transitions.
Iterating post reduction 2 with 192 rules applied. Total rules applied 7596 place count 4288 transition count 3878
Performed 1013 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1013 Pre rules applied. Total rules applied 7596 place count 4288 transition count 2865
Deduced a syphon composed of 1013 places in 105 ms
Reduce places removed 1013 places and 0 transitions.
Iterating global reduction 3 with 2026 rules applied. Total rules applied 9622 place count 3275 transition count 2865
Performed 1400 Post agglomeration using F-continuation condition.Transition count delta: 1400
Deduced a syphon composed of 1400 places in 2 ms
Reduce places removed 1400 places and 0 transitions.
Iterating global reduction 3 with 2800 rules applied. Total rules applied 12422 place count 1875 transition count 1465
Renaming transitions due to excessive name length > 1024 char.
Applied a total of 12422 rules in 748 ms. Remains 1875 /7894 variables (removed 6019) and now considering 1465/7868 (removed 6403) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-775455102555961717.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14047695077093840435.kers'
[2026-05-24 20:57:17] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-775455102555961717.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14047695077093840435.kers]
Culling duplicate invariants (modulo rational): removing 96 columns.
Culled 96 columns in 1 ms.
// Phase 1: matrix 1465 rows 1779 cols 4738 entries
Finished phase 1 with 1153 SingleSign rule and 208 generalized
[2026-05-24 20:57:17] [INFO ] Computed 514 invariants in 8 ms
Computed 514 P flows in 21 ms.
Exported basis to /tmp/petrispot-output-14047695077093840435.kers
Total runtime 22 ms.
[2026-05-24 20:57:26] [INFO ] Implicit Places using invariants in 8605 ms returned [507, 510, 513, 516, 519, 522, 525, 528, 531, 534, 537, 540, 543, 546, 549, 552, 555, 558, 561, 564, 567, 570, 573, 576, 579, 582, 585, 588, 591, 594, 597, 600, 603, 606, 609, 612, 615, 618, 621, 624, 627, 630, 633, 636, 639, 642, 645, 648, 651, 654, 657, 660, 663, 666, 669, 672, 675, 678, 681, 684, 687, 690, 693, 696, 699, 702, 705, 708, 711, 714, 717, 720, 723, 726, 729, 732, 735, 738, 741, 744, 747, 750, 753, 756, 759, 762, 765, 768, 771, 774, 777, 780, 783, 786, 789, 792, 1874]
Discarding 97 places :
Implicit Place search using SMT only with invariants took 8673 ms to find 97 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 1778/7894 places, 1465/7868 transitions.
Performed 96 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 96 Pre rules applied. Total rules applied 0 place count 1778 transition count 1369
Deduced a syphon composed of 96 places in 2 ms
Reduce places removed 96 places and 0 transitions.
Iterating global reduction 0 with 192 rules applied. Total rules applied 192 place count 1682 transition count 1369
Performed 104 Post agglomeration using F-continuation condition.Transition count delta: 104
Deduced a syphon composed of 104 places in 1 ms
Reduce places removed 104 places and 0 transitions.
Iterating global reduction 0 with 208 rules applied. Total rules applied 400 place count 1578 transition count 1265
Applied a total of 400 rules in 68 ms. Remains 1578 /1778 variables (removed 200) and now considering 1265/1465 (removed 200) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13752811850098076647.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14072550381952579173.kers'
[2026-05-24 20:57:26] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13752811850098076647.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14072550381952579173.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 1265 rows 1578 cols 4050 entries
Finished phase 1 with 1161 SingleSign rule and 0 generalized
[2026-05-24 20:57:26] [INFO ] Computed 417 invariants in 7 ms
Computed 417 P flows in 7 ms.
Exported basis to /tmp/petrispot-output-14072550381952579173.kers
Total runtime 8 ms.
[2026-05-24 20:57:27] [INFO ] Implicit Places using invariants in 1426 ms returned []
[2026-05-24 20:57:27] [INFO ] Invariant cache hit.
[2026-05-24 20:57:28] [INFO ] State equation strengthened by 384 read => feed constraints.
[2026-05-24 20:57:58] [INFO ] Performed 736/1578 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-24 20:58:28] [INFO ] Performed 1244/1578 implicitness test of which 0 returned IMPLICIT in 60 seconds.
[2026-05-24 20:58:48] [INFO ] Implicit Places using invariants and state equation in 81142 ms returned []
Implicit Place search using SMT with State Equation took 82574 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 1578/7894 places, 1265/7868 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 92079 ms. Remains : 1578/7894 places, 1265/7868 transitions.
Discarding 288 transitions out of 1265. Remains 977
Initial state reduction rules removed 1 formulas.
[2026-05-24 20:58:49] [INFO ] Flatten gal took : 338 ms
[2026-05-24 20:58:49] [INFO ] Flatten gal took : 219 ms
[2026-05-24 20:58:49] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1326750387968582004.gal : 66 ms
[2026-05-24 20:58:49] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11946436446206862181.prop : 14 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality1326750387968582004.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11946436446206862181.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality11946436446206862181.prop.
RANDOM walk for 40000 steps (175 resets) in 6935 ms. (5 steps per ms) remains 521/976 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 521/521 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 521/521 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 521/521 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 521/521 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 521/521 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 521/521 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 521/521 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 521/521 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 521/521 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 521/521 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 521/521 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 521/521 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 521/521 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 521/521 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 521/521 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 521/521 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 521/521 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 521/521 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 521/521 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 521/521 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 521/521 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 521/521 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 521/521 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 521/521 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 521/521 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 521/521 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 521/521 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 521/521 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 521/521 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 521/521 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 521/521 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 521/521 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 521/521 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 521/521 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 521/521 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 521/521 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 521/521 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 521/521 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 521/521 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 521/521 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 521/521 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 521/521 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 521/521 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 521/521 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 521/521 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 521/521 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 521/521 properties
BEST_FIRST walk for 124 steps (0 resets) in 4 ms. (24 steps per ms) remains 521/521 properties
BEST_FIRST walk for 124 steps (0 resets) in 4 ms. (24 steps per ms) remains 521/521 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 521/521 properties
[2026-05-24 20:58:50] [INFO ] Invariant cache hit.
[2026-05-24 20:58:50] [INFO ] State equation strengthened by 384 read => feed constraints.
Reachability property qltransition_494 is true.
Reachability property qltransition_492 is true.
Reachability property qltransition_491 is true.
Reachability property qltransition_488 is true.
Reachability property qltransition_486 is true.
Reachability property qltransition_484 is true.
Reachability property qltransition_482 is true.
Reachability property qltransition_480 is true.
Reachability property qltransition_478 is true.
Reachability property qltransition_476 is true.
Reachability property qltransition_474 is true.
Reachability property qltransition_472 is true.
Reachability property qltransition_470 is true.
Reachability property qltransition_468 is true.
Reachability property qltransition_466 is true.
Reachability property qltransition_464 is true.
Reachability property qltransition_462 is true.
Reachability property qltransition_460 is true.
Reachability property qltransition_458 is true.
Reachability property qltransition_456 is true.
Reachability property qltransition_454 is true.
Reachability property qltransition_452 is true.
Reachability property qltransition_450 is true.
Reachability property qltransition_448 is true.
Reachability property qltransition_446 is true.
Reachability property qltransition_444 is true.
Reachability property qltransition_442 is true.
Reachability property qltransition_440 is true.
Reachability property qltransition_438 is true.
Reachability property qltransition_436 is true.
Reachability property qltransition_435 is true.
Reachability property qltransition_432 is true.
Reachability property qltransition_430 is true.
Reachability property qltransition_428 is true.
Reachability property qltransition_426 is true.
Reachability property qltransition_424 is true.
Reachability property qltransition_422 is true.
Reachability property qltransition_420 is true.
Reachability property qltransition_418 is true.
Reachability property qltransition_416 is true.
Reachability property qltransition_414 is true.
Reachability property qltransition_412 is true.
Reachability property qltransition_410 is true.
Reachability property qltransition_408 is true.
Reachability property qltransition_406 is true.
Reachability property qltransition_404 is true.
Reachability property qltransition_402 is true.
Reachability property qltransition_400 is true.
Reachability property qltransition_398 is true.
Reachability property qltransition_396 is true.
Reachability property qltransition_394 is true.
Reachability property qltransition_392 is true.
Reachability property qltransition_390 is true.
Reachability property qltransition_388 is true.
Reachability property qltransition_386 is true.
Reachability property qltransition_384 is true.
Reachability property qltransition_382 is true.
Reachability property qltransition_380 is true.
Reachability property qltransition_379 is true.
Reachability property qltransition_376 is true.
Reachability property qltransition_374 is true.
Reachability property qltransition_372 is true.
Reachability property qltransition_370 is true.
Reachability property qltransition_368 is true.
Reachability property qltransition_366 is true.
Reachability property qltransition_364 is true.
Reachability property qltransition_362 is true.
Reachability property qltransition_360 is true.
Reachability property qltransition_358 is true.
Reachability property qltransition_356 is true.
Reachability property qltransition_354 is true.
Reachability property qltransition_352 is true.
Reachability property qltransition_350 is true.
Reachability property qltransition_348 is true.
Reachability property qltransition_347 is true.
Reachability property qltransition_344 is true.
Reachability property qltransition_342 is true.
Reachability property qltransition_340 is true.
Reachability property qltransition_338 is true.
Reachability property qltransition_336 is true.
Reachability property qltransition_334 is true.
Reachability property qltransition_332 is true.
Reachability property qltransition_330 is true.
Reachability property qltransition_328 is true.
Reachability property qltransition_326 is true.
Reachability property qltransition_324 is true.
Reachability property qltransition_322 is true.
Reachability property qltransition_320 is true.
Reachability property qltransition_318 is true.
Reachability property qltransition_316 is true.
Reachability property qltransition_315 is true.
Reachability property qltransition_312 is true.
Reachability property qltransition_310 is true.
Reachability property qltransition_308 is true.
Reachability property qltransition_306 is true.
Reachability property qltransition_304 is true.
Reachability property qltransition_302 is true.
Reachability property qltransition_300 is true.
Reachability property qltransition_298 is true.
Reachability property qltransition_296 is true.
Reachability property qltransition_294 is true.
Reachability property qltransition_292 is true.
Reachability property qltransition_290 is true.
Reachability property qltransition_288 is true.
SDD proceeding with computation,872 properties remain. new max is 2
SDD size :1 after 28
SDD proceeding with computation,872 properties remain. new max is 4
SDD size :28 after 730
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/891 variables, 891/891 constraints. Problems are: Problem set: 0 solved, 521 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 891/2843 variables, and 891 constraints, problems are : Problem set: 0 solved, 521 unsolved in 5051 ms.
Refiners :[Domain max(s): 891/1578 constraints, Positive P Invariants (semi-flows): 0/417 constraints, State Equation: 0/1578 constraints, ReadFeed: 0/384 constraints, PredecessorRefiner: 521/521 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 521 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/891 variables, 891/891 constraints. Problems are: Problem set: 0 solved, 521 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 891/2843 variables, and 891 constraints, problems are : Problem set: 0 solved, 521 unsolved in 5050 ms.
Refiners :[Domain max(s): 891/1578 constraints, Positive P Invariants (semi-flows): 0/417 constraints, State Equation: 0/1578 constraints, ReadFeed: 0/384 constraints, PredecessorRefiner: 0/521 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10603ms problems are : Problem set: 0 solved, 521 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 891 out of 1578 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1578/1578 places, 1265/1265 transitions.
Discarding 35 places :
Symmetric choice reduction at 0 with 35 rule applications. Total rules 35 place count 1543 transition count 1230
Iterating global reduction 0 with 35 rules applied. Total rules applied 70 place count 1543 transition count 1230
Free-agglomeration rule applied 62 times.
Iterating global reduction 0 with 62 rules applied. Total rules applied 132 place count 1543 transition count 1168
Reduce places removed 62 places and 0 transitions.
Iterating post reduction 0 with 62 rules applied. Total rules applied 194 place count 1481 transition count 1168
Applied a total of 194 rules in 188 ms. Remains 1481 /1578 variables (removed 97) and now considering 1168/1265 (removed 97) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 188 ms. Remains : 1481/1578 places, 1168/1265 transitions.
SDD proceeding with computation,872 properties remain. new max is 8
SDD size :730 after 177148
RANDOM walk for 2193938 steps (13350 resets) in 120004 ms. (18 steps per ms) remains 275/521 properties
BEST_FIRST walk for 40004 steps (8 resets) in 394 ms. (101 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 459 ms. (86 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 398 ms. (100 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 514 ms. (77 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 398 ms. (100 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 520 ms. (76 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 332 ms. (120 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 344 ms. (115 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 335 ms. (119 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 350 ms. (113 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 334 ms. (119 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 333 ms. (119 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 334 ms. (119 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 331 ms. (120 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 366 ms. (109 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 330 ms. (120 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 342 ms. (116 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 344 ms. (115 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 335 ms. (119 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 348 ms. (114 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 329 ms. (121 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 350 ms. (113 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 326 ms. (122 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 343 ms. (116 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 348 ms. (114 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 339 ms. (117 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 355 ms. (112 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 325 ms. (122 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 334 ms. (119 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 347 ms. (114 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 338 ms. (118 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 345 ms. (115 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 331 ms. (120 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 332 ms. (120 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 352 ms. (113 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 333 ms. (119 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 343 ms. (116 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 338 ms. (118 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 335 ms. (119 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 359 ms. (111 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 319 ms. (125 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 342 ms. (116 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 332 ms. (120 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 328 ms. (121 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 354 ms. (112 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 334 ms. (119 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 345 ms. (115 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 334 ms. (119 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 325 ms. (122 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 334 ms. (119 steps per ms) remains 275/275 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15057185660253164367.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14431498723256910649.kers'
[2026-05-24 20:59:36] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15057185660253164367.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14431498723256910649.kers]
Culling duplicate invariants (modulo rational): removing 62 columns.
Culled 62 columns in 1 ms.
// Phase 1: matrix 1168 rows 1419 cols 3635 entries
Finished phase 1 with 1064 SingleSign rule and 0 generalized
[2026-05-24 20:59:36] [INFO ] Computed 417 invariants in 6 ms
Computed 417 P flows in 6 ms.
Exported basis to /tmp/petrispot-output-14431498723256910649.kers
Total runtime 7 ms.
[2026-05-24 20:59:36] [INFO ] State equation strengthened by 446 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/471 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 275 unsolved
At refinement iteration 1 (OVERLAPS) 621/1092 variables, 175/175 constraints. Problems are: Problem set: 0 solved, 275 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1092 variables, 20/195 constraints. Problems are: Problem set: 0 solved, 275 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1092 variables, 5/200 constraints. Problems are: Problem set: 0 solved, 275 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1092/2649 variables, and 200 constraints, problems are : Problem set: 0 solved, 275 unsolved in 45038 ms.
Refiners :[Positive P Invariants (semi-flows): 175/417 constraints, State Equation: 0/1481 constraints, ReadFeed: 0/446 constraints, PredecessorRefiner: 275/275 constraints, Known Traps: 25/25 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 275 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/471 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 275 unsolved
At refinement iteration 1 (OVERLAPS) 621/1092 variables, 175/175 constraints. Problems are: Problem set: 0 solved, 275 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1092 variables, 25/200 constraints. Problems are: Problem set: 0 solved, 275 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1092 variables, 8/208 constraints. Problems are: Problem set: 0 solved, 275 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1092 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 275 unsolved
At refinement iteration 5 (OVERLAPS) 389/1481 variables, 242/450 constraints. Problems are: Problem set: 0 solved, 275 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1481/2649 variables, and 459 constraints, problems are : Problem set: 0 solved, 275 unsolved in 45019 ms.
Refiners :[Positive P Invariants (semi-flows): 417/417 constraints, State Equation: 0/1481 constraints, ReadFeed: 0/446 constraints, PredecessorRefiner: 0/275 constraints, Known Traps: 42/42 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 90161ms problems are : Problem set: 0 solved, 275 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 471 out of 1481 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1481/1481 places, 1168/1168 transitions.
Discarding 61 places :
Symmetric choice reduction at 0 with 61 rule applications. Total rules 61 place count 1420 transition count 1107
Iterating global reduction 0 with 61 rules applied. Total rules applied 122 place count 1420 transition count 1107
Free-agglomeration rule applied 82 times.
Iterating global reduction 0 with 82 rules applied. Total rules applied 204 place count 1420 transition count 1025
Reduce places removed 82 places and 0 transitions.
Iterating post reduction 0 with 82 rules applied. Total rules applied 286 place count 1338 transition count 1025
Applied a total of 286 rules in 183 ms. Remains 1338 /1481 variables (removed 143) and now considering 1025/1168 (removed 143) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 183 ms. Remains : 1338/1481 places, 1025/1168 transitions.
RANDOM walk for 3157451 steps (23022 resets) in 120004 ms. (26 steps per ms) remains 202/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 328 ms. (121 steps per ms) remains 202/202 properties
BEST_FIRST walk for 40004 steps (8 resets) in 316 ms. (126 steps per ms) remains 202/202 properties
BEST_FIRST walk for 40004 steps (8 resets) in 327 ms. (121 steps per ms) remains 202/202 properties
BEST_FIRST walk for 40004 steps (8 resets) in 326 ms. (122 steps per ms) remains 202/202 properties
BEST_FIRST walk for 40004 steps (8 resets) in 337 ms. (118 steps per ms) remains 202/202 properties
BEST_FIRST walk for 40004 steps (8 resets) in 320 ms. (124 steps per ms) remains 202/202 properties
BEST_FIRST walk for 40004 steps (8 resets) in 316 ms. (126 steps per ms) remains 202/202 properties
BEST_FIRST walk for 40004 steps (8 resets) in 335 ms. (119 steps per ms) remains 202/202 properties
BEST_FIRST walk for 40004 steps (8 resets) in 318 ms. (125 steps per ms) remains 202/202 properties
BEST_FIRST walk for 40004 steps (8 resets) in 339 ms. (117 steps per ms) remains 202/202 properties
BEST_FIRST walk for 40003 steps (8 resets) in 319 ms. (125 steps per ms) remains 202/202 properties
BEST_FIRST walk for 40004 steps (8 resets) in 331 ms. (120 steps per ms) remains 202/202 properties
BEST_FIRST walk for 40004 steps (8 resets) in 330 ms. (120 steps per ms) remains 202/202 properties
BEST_FIRST walk for 40004 steps (8 resets) in 318 ms. (125 steps per ms) remains 202/202 properties
BEST_FIRST walk for 40004 steps (8 resets) in 377 ms. (105 steps per ms) remains 202/202 properties
BEST_FIRST walk for 40004 steps (8 resets) in 337 ms. (118 steps per ms) remains 202/202 properties
BEST_FIRST walk for 40004 steps (8 resets) in 345 ms. (115 steps per ms) remains 202/202 properties
BEST_FIRST walk for 40004 steps (8 resets) in 338 ms. (118 steps per ms) remains 202/202 properties
BEST_FIRST walk for 40004 steps (8 resets) in 339 ms. (117 steps per ms) remains 202/202 properties
BEST_FIRST walk for 40004 steps (8 resets) in 338 ms. (118 steps per ms) remains 202/202 properties
BEST_FIRST walk for 40004 steps (8 resets) in 335 ms. (119 steps per ms) remains 202/202 properties
BEST_FIRST walk for 40004 steps (8 resets) in 344 ms. (115 steps per ms) remains 202/202 properties
BEST_FIRST walk for 40004 steps (8 resets) in 339 ms. (117 steps per ms) remains 202/202 properties
BEST_FIRST walk for 40004 steps (8 resets) in 362 ms. (110 steps per ms) remains 202/202 properties
BEST_FIRST walk for 40004 steps (8 resets) in 327 ms. (121 steps per ms) remains 202/202 properties
BEST_FIRST walk for 40004 steps (8 resets) in 339 ms. (117 steps per ms) remains 202/202 properties
BEST_FIRST walk for 40004 steps (8 resets) in 327 ms. (121 steps per ms) remains 202/202 properties
BEST_FIRST walk for 40004 steps (8 resets) in 337 ms. (118 steps per ms) remains 202/202 properties
BEST_FIRST walk for 40004 steps (8 resets) in 337 ms. (118 steps per ms) remains 202/202 properties
BEST_FIRST walk for 40004 steps (8 resets) in 336 ms. (118 steps per ms) remains 202/202 properties
BEST_FIRST walk for 40004 steps (8 resets) in 336 ms. (118 steps per ms) remains 202/202 properties
BEST_FIRST walk for 40004 steps (8 resets) in 335 ms. (119 steps per ms) remains 202/202 properties
BEST_FIRST walk for 40004 steps (8 resets) in 314 ms. (126 steps per ms) remains 202/202 properties
BEST_FIRST walk for 40004 steps (8 resets) in 329 ms. (121 steps per ms) remains 202/202 properties
BEST_FIRST walk for 40004 steps (8 resets) in 338 ms. (118 steps per ms) remains 202/202 properties
BEST_FIRST walk for 40004 steps (8 resets) in 329 ms. (121 steps per ms) remains 202/202 properties
BEST_FIRST walk for 40004 steps (8 resets) in 327 ms. (121 steps per ms) remains 202/202 properties
BEST_FIRST walk for 40004 steps (8 resets) in 339 ms. (117 steps per ms) remains 202/202 properties
BEST_FIRST walk for 40004 steps (8 resets) in 330 ms. (120 steps per ms) remains 202/202 properties
BEST_FIRST walk for 40004 steps (8 resets) in 331 ms. (120 steps per ms) remains 202/202 properties
BEST_FIRST walk for 40004 steps (8 resets) in 334 ms. (119 steps per ms) remains 202/202 properties
BEST_FIRST walk for 40004 steps (8 resets) in 486 ms. (82 steps per ms) remains 202/202 properties
BEST_FIRST walk for 40004 steps (8 resets) in 371 ms. (107 steps per ms) remains 202/202 properties
BEST_FIRST walk for 40004 steps (8 resets) in 320 ms. (124 steps per ms) remains 202/202 properties
BEST_FIRST walk for 40004 steps (8 resets) in 324 ms. (123 steps per ms) remains 202/202 properties
BEST_FIRST walk for 40004 steps (8 resets) in 333 ms. (119 steps per ms) remains 202/202 properties
BEST_FIRST walk for 40004 steps (8 resets) in 357 ms. (111 steps per ms) remains 202/202 properties
BEST_FIRST walk for 40004 steps (8 resets) in 334 ms. (119 steps per ms) remains 202/202 properties
BEST_FIRST walk for 40004 steps (8 resets) in 338 ms. (118 steps per ms) remains 202/202 properties
BEST_FIRST walk for 40004 steps (8 resets) in 342 ms. (116 steps per ms) remains 202/202 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6153524280552559513.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10053245844089296462.kers'
[2026-05-24 21:01:42] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6153524280552559513.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10053245844089296462.kers]
Culling duplicate invariants (modulo rational): removing 144 columns.
Culled 144 columns in 1 ms.
// Phase 1: matrix 1025 rows 1194 cols 3042 entries
Finished phase 1 with 921 SingleSign rule and 0 generalized
[2026-05-24 21:01:42] [INFO ] Computed 417 invariants in 6 ms
Computed 417 P flows in 6 ms.
Exported basis to /tmp/petrispot-output-10053245844089296462.kers
Total runtime 8 ms.
[2026-05-24 21:01:42] [INFO ] State equation strengthened by 528 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/325 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (OVERLAPS) 581/906 variables, 81/81 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/906 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 3 (OVERLAPS) 432/1338 variables, 336/417 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1338 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (OVERLAPS) 1025/2363 variables, 1338/1755 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2363 variables, 528/2283 constraints. Problems are: Problem set: 0 solved, 202 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2363/2363 variables, and 2283 constraints, problems are : Problem set: 0 solved, 202 unsolved in 75055 ms.
Refiners :[Positive P Invariants (semi-flows): 417/417 constraints, State Equation: 1338/1338 constraints, ReadFeed: 528/528 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 202 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/325 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (OVERLAPS) 581/906 variables, 81/81 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/906 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 3 (OVERLAPS) 432/1338 variables, 336/417 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1338 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (OVERLAPS) 1025/2363 variables, 1338/1755 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2363 variables, 528/2283 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2363 variables, 202/2485 constraints. Problems are: Problem set: 0 solved, 202 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2363/2363 variables, and 2485 constraints, problems are : Problem set: 0 solved, 202 unsolved in 75041 ms.
Refiners :[Positive P Invariants (semi-flows): 417/417 constraints, State Equation: 1338/1338 constraints, ReadFeed: 528/528 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 150172ms problems are : Problem set: 0 solved, 202 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 325 out of 1338 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1338/1338 places, 1025/1025 transitions.
Applied a total of 0 rules in 99 ms. Remains 1338 /1338 variables (removed 0) and now considering 1025/1025 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 99 ms. Remains : 1338/1338 places, 1025/1025 transitions.
RANDOM walk for 3337905 steps (24354 resets) in 120004 ms. (27 steps per ms) remains 194/202 properties
BEST_FIRST walk for 40004 steps (8 resets) in 326 ms. (122 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (8 resets) in 331 ms. (120 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (8 resets) in 346 ms. (115 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (8 resets) in 328 ms. (121 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (8 resets) in 323 ms. (123 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (8 resets) in 344 ms. (115 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (8 resets) in 320 ms. (124 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (8 resets) in 323 ms. (123 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (8 resets) in 323 ms. (123 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40003 steps (8 resets) in 325 ms. (122 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (8 resets) in 329 ms. (121 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (8 resets) in 335 ms. (119 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (8 resets) in 436 ms. (91 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (8 resets) in 523 ms. (76 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (8 resets) in 454 ms. (87 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (8 resets) in 433 ms. (92 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (8 resets) in 341 ms. (116 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (8 resets) in 321 ms. (124 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (8 resets) in 359 ms. (111 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (8 resets) in 300 ms. (132 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (8 resets) in 327 ms. (121 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (8 resets) in 328 ms. (121 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (8 resets) in 333 ms. (119 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (8 resets) in 307 ms. (129 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (8 resets) in 325 ms. (122 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (8 resets) in 352 ms. (113 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (8 resets) in 316 ms. (126 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (8 resets) in 328 ms. (121 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (8 resets) in 335 ms. (119 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (8 resets) in 335 ms. (119 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (8 resets) in 317 ms. (125 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (8 resets) in 342 ms. (116 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (8 resets) in 333 ms. (119 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (8 resets) in 324 ms. (123 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (8 resets) in 317 ms. (125 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (8 resets) in 319 ms. (125 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (8 resets) in 319 ms. (125 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (8 resets) in 327 ms. (121 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (8 resets) in 407 ms. (98 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (8 resets) in 317 ms. (125 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (8 resets) in 312 ms. (127 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (8 resets) in 325 ms. (122 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (8 resets) in 312 ms. (127 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (8 resets) in 316 ms. (126 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (8 resets) in 321 ms. (124 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (8 resets) in 325 ms. (122 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (8 resets) in 314 ms. (126 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (8 resets) in 315 ms. (126 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (8 resets) in 321 ms. (124 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (8 resets) in 317 ms. (125 steps per ms) remains 194/194 properties
Interrupted probabilistic random walk after 3943973 steps, run timeout after 105001 ms. (steps per millisecond=37 ) properties seen :59 out of 194
Probabilistic random walk after 3943973 steps, saw 576686 distinct states, run finished after 105011 ms. (steps per millisecond=37 ) properties seen :59
[2026-05-24 21:06:32] [INFO ] Invariant cache hit.
[2026-05-24 21:06:32] [INFO ] State equation strengthened by 528 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/242 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 1 (OVERLAPS) 658/900 variables, 78/78 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/900 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 3 (OVERLAPS) 438/1338 variables, 339/417 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1338 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 5 (OVERLAPS) 1025/2363 variables, 1338/1755 constraints. Problems are: Problem set: 0 solved, 135 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/2363 variables, 528/2283 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2363 variables, 0/2283 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 8 (OVERLAPS) 0/2363 variables, 0/2283 constraints. Problems are: Problem set: 0 solved, 135 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2363/2363 variables, and 2283 constraints, problems are : Problem set: 0 solved, 135 unsolved in 67278 ms.
Refiners :[Positive P Invariants (semi-flows): 417/417 constraints, State Equation: 1338/1338 constraints, ReadFeed: 528/528 constraints, PredecessorRefiner: 135/135 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 135 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/242 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 1 (OVERLAPS) 658/900 variables, 78/78 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/900 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 3 (OVERLAPS) 438/1338 variables, 339/417 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1338 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 5 (OVERLAPS) 1025/2363 variables, 1338/1755 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2363 variables, 528/2283 constraints. Problems are: Problem set: 0 solved, 135 unsolved
Detected timeout of ITS tools.
[2026-05-24 21:08:50] [INFO ] Flatten gal took : 99 ms
[2026-05-24 21:08:50] [INFO ] Applying decomposition
[2026-05-24 21:08:50] [INFO ] Flatten gal took : 56 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph7440040330162025923.txt' '-o' '/tmp/graph7440040330162025923.bin' '-w' '/tmp/graph7440040330162025923.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph7440040330162025923.bin' '-l' '-1' '-v' '-w' '/tmp/graph7440040330162025923.weights' '-q' '0' '-e' '0.001'
[2026-05-24 21:08:50] [INFO ] Decomposing Gal with order
[2026-05-24 21:08:51] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 21:08:51] [INFO ] Removed a total of 340 redundant transitions.
[2026-05-24 21:08:51] [INFO ] Flatten gal took : 220 ms
[2026-05-24 21:08:51] [INFO ] Fuse similar labels procedure discarded/fused a total of 492 labels/synchronizations in 207 ms.
[2026-05-24 21:08:51] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4545502153143560710.gal : 46 ms
[2026-05-24 21:08:51] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13747767379342693879.prop : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality4545502153143560710.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13747767379342693879.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality13747767379342693879.prop.
At refinement iteration 7 (INCLUDED_ONLY) 0/2363 variables, 135/2418 constraints. Problems are: Problem set: 0 solved, 135 unsolved
SDD proceeding with computation,135 properties remain. new max is 4
SDD size :1 after 1
SDD proceeding with computation,135 properties remain. new max is 8
SDD size :1 after 1
SDD proceeding with computation,135 properties remain. new max is 16
SDD size :1 after 1
SDD proceeding with computation,135 properties remain. new max is 32
SDD size :1 after 1
SDD proceeding with computation,135 properties remain. new max is 64
SDD size :1 after 1
SDD proceeding with computation,135 properties remain. new max is 128
SDD size :6657 after 1.34572e+52
SDD proceeding with computation,135 properties remain. new max is 256
SDD size :1.34572e+52 after 1.31558e+53
SDD proceeding with computation,135 properties remain. new max is 512
SDD size :1.31558e+53 after 4.13971e+53
SDD proceeding with computation,135 properties remain. new max is 1024
SDD size :4.13971e+53 after 9.5589e+53
SDD proceeding with computation,135 properties remain. new max is 2048
SDD size :9.5589e+53 after 2.08752e+54
SDD proceeding with computation,135 properties remain. new max is 4096
SDD size :2.08752e+54 after 4.31207e+54
SDD proceeding with computation,135 properties remain. new max is 8192
SDD size :4.31207e+54 after 3.46868e+58
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2363/2363 variables, and 2418 constraints, problems are : Problem set: 0 solved, 135 unsolved in 90034 ms.
Refiners :[Positive P Invariants (semi-flows): 417/417 constraints, State Equation: 1338/1338 constraints, ReadFeed: 528/528 constraints, PredecessorRefiner: 135/135 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 157357ms problems are : Problem set: 0 solved, 135 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 242 out of 1338 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1338/1338 places, 1025/1025 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 1335 transition count 1022
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 1335 transition count 1022
Applied a total of 6 rules in 110 ms. Remains 1335 /1338 variables (removed 3) and now considering 1022/1025 (removed 3) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 110 ms. Remains : 1335/1338 places, 1022/1025 transitions.
SDD proceeding with computation,135 properties remain. new max is 16384
SDD size :3.46868e+58 after 7.45974e+59
SDD proceeding with computation,135 properties remain. new max is 32768
SDD size :7.45974e+59 after 2.35165e+61
RANDOM walk for 3987676 steps (29119 resets) in 118142 ms. (33 steps per ms) remains 133/135 properties
BEST_FIRST walk for 40004 steps (8 resets) in 323 ms. (123 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 317 ms. (125 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 348 ms. (114 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 324 ms. (123 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 303 ms. (131 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 334 ms. (119 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 331 ms. (120 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 322 ms. (123 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 326 ms. (122 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 358 ms. (111 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 472 ms. (84 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 320 ms. (124 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 330 ms. (120 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 344 ms. (115 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 322 ms. (123 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 361 ms. (110 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 323 ms. (123 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 322 ms. (123 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 331 ms. (120 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 331 ms. (120 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 331 ms. (120 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 319 ms. (125 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 350 ms. (113 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 333 ms. (119 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 340 ms. (117 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 316 ms. (126 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 344 ms. (115 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 338 ms. (118 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 342 ms. (116 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 339 ms. (117 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40003 steps (8 resets) in 329 ms. (121 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 327 ms. (121 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 312 ms. (127 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 330 ms. (120 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 331 ms. (120 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 336 ms. (118 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 328 ms. (121 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 315 ms. (126 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 334 ms. (119 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 335 ms. (119 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 315 ms. (126 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 333 ms. (119 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 377 ms. (105 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 315 ms. (126 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 328 ms. (121 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 327 ms. (121 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 332 ms. (120 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 331 ms. (120 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 329 ms. (121 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 345 ms. (115 steps per ms) remains 133/133 properties
SDD proceeding with computation,135 properties remain. new max is 65536
SDD size :2.35165e+61 after 3.39747e+62
SDD proceeding with computation,135 properties remain. new max is 131072
SDD size :3.39747e+62 after 3.31123e+63
Interrupted probabilistic random walk after 4183931 steps, run timeout after 105001 ms. (steps per millisecond=39 ) properties seen :0 out of 133
Probabilistic random walk after 4183931 steps, saw 590806 distinct states, run finished after 105002 ms. (steps per millisecond=39 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3768767491972703307.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1396175603344961960.kers'
[2026-05-24 21:11:30] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3768767491972703307.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1396175603344961960.kers]
Culling duplicate invariants (modulo rational): removing 144 columns.
Culled 144 columns in 3 ms.
// Phase 1: matrix 1022 rows 1191 cols 3033 entries
Finished phase 1 with 918 SingleSign rule and 0 generalized
[2026-05-24 21:11:30] [INFO ] Computed 417 invariants in 18 ms
Computed 417 P flows in 19 ms.
Exported basis to /tmp/petrispot-output-1396175603344961960.kers
Total runtime 21 ms.
[2026-05-24 21:11:30] [INFO ] State equation strengthened by 528 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/238 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 1 (OVERLAPS) 662/900 variables, 78/78 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/900 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 3 (OVERLAPS) 435/1335 variables, 339/417 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1335 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 5 (OVERLAPS) 1022/2357 variables, 1335/1752 constraints. Problems are: Problem set: 0 solved, 133 unsolved
SDD proceeding with computation,135 properties remain. new max is 262144
SDD size :3.31123e+63 after 1.569e+64
At refinement iteration 6 (INCLUDED_ONLY) 0/2357 variables, 528/2280 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2357 variables, 4/2284 constraints. Problems are: Problem set: 0 solved, 133 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 2357/2357 variables, and 2284 constraints, problems are : Problem set: 0 solved, 133 unsolved in 105038 ms.
Refiners :[Positive P Invariants (semi-flows): 417/417 constraints, State Equation: 1335/1335 constraints, ReadFeed: 528/528 constraints, PredecessorRefiner: 133/133 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 4/4 constraints]
Escalating to Integer solving :Problem set: 0 solved, 133 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/238 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 1 (OVERLAPS) 662/900 variables, 78/78 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/900 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 3 (OVERLAPS) 435/1335 variables, 339/417 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1335 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 5 (OVERLAPS) 1022/2357 variables, 1335/1752 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2357 variables, 528/2280 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2357 variables, 133/2413 constraints. Problems are: Problem set: 0 solved, 133 unsolved
SDD proceeding with computation,135 properties remain. new max is 524288
SDD size :1.569e+64 after 4.29884e+72
SMT process timed out in 210301ms, After SMT, problems are : Problem set: 0 solved, 133 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 238 out of 1335 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1335/1335 places, 1022/1022 transitions.
Applied a total of 0 rules in 77 ms. Remains 1335 /1335 variables (removed 0) and now considering 1022/1022 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 78 ms. Remains : 1335/1335 places, 1022/1022 transitions.
RANDOM walk for 3997864 steps (29069 resets) in 116722 ms. (34 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 307 ms. (129 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 298 ms. (133 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 308 ms. (129 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 304 ms. (131 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 306 ms. (130 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 320 ms. (124 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 275 ms. (144 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 312 ms. (127 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 306 ms. (130 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 314 ms. (126 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 330 ms. (120 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40003 steps (8 resets) in 320 ms. (124 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 348 ms. (114 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 310 ms. (128 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 314 ms. (126 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 305 ms. (130 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 306 ms. (130 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 311 ms. (128 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 352 ms. (113 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 312 ms. (127 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 322 ms. (123 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 315 ms. (126 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 323 ms. (123 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 313 ms. (127 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 328 ms. (121 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 317 ms. (125 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 311 ms. (128 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 312 ms. (127 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 311 ms. (128 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 315 ms. (126 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 328 ms. (121 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 322 ms. (123 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 317 ms. (125 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 304 ms. (131 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 305 ms. (130 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 324 ms. (123 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 320 ms. (124 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 307 ms. (129 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 312 ms. (127 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 308 ms. (129 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 312 ms. (127 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 328 ms. (121 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 329 ms. (121 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 310 ms. (128 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 308 ms. (129 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 313 ms. (127 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 322 ms. (123 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 323 ms. (123 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 314 ms. (126 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 318 ms. (125 steps per ms) remains 133/133 properties
Interrupted probabilistic random walk after 3993393 steps, run timeout after 102001 ms. (steps per millisecond=39 ) properties seen :0 out of 133
Probabilistic random walk after 3993393 steps, saw 571214 distinct states, run finished after 102001 ms. (steps per millisecond=39 ) properties seen :0
[2026-05-24 21:17:17] [INFO ] Invariant cache hit.
[2026-05-24 21:17:17] [INFO ] State equation strengthened by 528 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/238 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 1 (OVERLAPS) 662/900 variables, 78/78 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/900 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 3 (OVERLAPS) 435/1335 variables, 339/417 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1335 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 5 (OVERLAPS) 1022/2357 variables, 1335/1752 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2357 variables, 528/2280 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2357 variables, 4/2284 constraints. Problems are: Problem set: 0 solved, 133 unsolved
Detected timeout of ITS tools.
At refinement iteration 8 (INCLUDED_ONLY) 0/2357 variables, 0/2284 constraints. Problems are: Problem set: 0 solved, 133 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2357/2357 variables, and 2284 constraints, problems are : Problem set: 0 solved, 133 unsolved in 120027 ms.
Refiners :[Positive P Invariants (semi-flows): 417/417 constraints, State Equation: 1335/1335 constraints, ReadFeed: 528/528 constraints, PredecessorRefiner: 133/133 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 4/4 constraints]
Escalating to Integer solving :Problem set: 0 solved, 133 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/238 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 1 (OVERLAPS) 662/900 variables, 78/78 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/900 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 3 (OVERLAPS) 435/1335 variables, 339/417 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1335 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 5 (OVERLAPS) 1022/2357 variables, 1335/1752 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2357 variables, 528/2280 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2357 variables, 133/2413 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2357 variables, 4/2417 constraints. Problems are: Problem set: 0 solved, 133 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2357/2357 variables, and 2417 constraints, problems are : Problem set: 0 solved, 133 unsolved in 120127 ms.
Refiners :[Positive P Invariants (semi-flows): 417/417 constraints, State Equation: 1335/1335 constraints, ReadFeed: 528/528 constraints, PredecessorRefiner: 133/133 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 240217ms problems are : Problem set: 0 solved, 133 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 238 out of 1335 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1335/1335 places, 1022/1022 transitions.
Applied a total of 0 rules in 88 ms. Remains 1335 /1335 variables (removed 0) and now considering 1022/1022 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 88 ms. Remains : 1335/1335 places, 1022/1022 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1335/1335 places, 1022/1022 transitions.
Applied a total of 0 rules in 44 ms. Remains 1335 /1335 variables (removed 0) and now considering 1022/1022 (removed 0) transitions.
[2026-05-24 21:21:18] [INFO ] Invariant cache hit.
[2026-05-24 21:21:22] [INFO ] Implicit Places using invariants in 4503 ms returned [1, 2, 6, 7, 11, 12, 16, 17, 21, 22, 26, 27, 31, 32, 36, 37, 41, 42, 46, 47, 51, 52, 56, 57, 61, 62, 66, 67, 71, 72, 76, 77, 81, 82, 86, 87, 91, 92, 96, 97, 101, 102, 106, 107, 111, 112, 116, 117, 121, 122, 126, 127, 131, 132, 136, 137, 141, 142, 146, 147, 151, 152, 156, 157, 161, 162, 166, 167, 171, 172, 176, 177, 181, 182, 186, 187, 191, 192, 196, 197, 201, 202, 206, 207, 211, 212, 216, 217, 221, 222, 226, 227, 231, 232, 236, 237, 241, 242, 246, 247, 251, 252, 256, 257, 261, 262, 266, 267, 271, 272, 276, 277, 281, 282, 286, 287, 291, 292, 296, 297, 301, 302, 306, 307, 311, 312, 316, 317, 321, 322, 326, 327, 331, 332, 336, 337, 341, 342, 346, 347, 351, 352, 356, 357, 851, 924, 961, 998, 1002, 1006, 1010, 1014, 1018, 1022, 1026, 1030, 1034, 1038, 1042, 1046, 1050, 1054, 1058, 1062, 1066, 1070, 1074, 1078, 1082, 1086, 1090, 1094, 1098, 1102, 1106, 1110, 1114, 1118, 1122, 1126, 1130, 1134, 1138, 1142, 1146, 1150, 1154, 1158, 1162, 1166, 1170, 1174, 1178, 1182, 1186, 1190, 1192, 1194, 1196, 1198, 1200, 1202, 1204, 1206, 1208, 1210, 1212, 1214, 1218, 1222, 1226, 1230, 1234, 1238, 1242, 1246, 1250, 1254, 1258, 1262, 1264, 1266, 1268, 1270, 1272, 1274, 1276, 1278, 1280, 1282, 1284, 1286, 1290, 1294, 1298, 1302, 1306, 1310, 1314, 1318, 1322, 1326, 1330]
Discarding 243 places :
Implicit Place search using SMT only with invariants took 4508 ms to find 243 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 1092/1335 places, 1022/1022 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 136 transitions
Trivial Post-agglo rules discarded 136 transitions
Performed 136 trivial Post agglomeration. Transition count delta: 136
Iterating post reduction 0 with 136 rules applied. Total rules applied 136 place count 1092 transition count 886
Reduce places removed 136 places and 0 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Iterating post reduction 1 with 139 rules applied. Total rules applied 275 place count 956 transition count 883
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 278 place count 953 transition count 883
Performed 77 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 77 Pre rules applied. Total rules applied 278 place count 953 transition count 806
Deduced a syphon composed of 77 places in 0 ms
Reduce places removed 77 places and 0 transitions.
Iterating global reduction 3 with 154 rules applied. Total rules applied 432 place count 876 transition count 806
Discarding 71 places :
Symmetric choice reduction at 3 with 71 rule applications. Total rules 503 place count 805 transition count 735
Iterating global reduction 3 with 71 rules applied. Total rules applied 574 place count 805 transition count 735
Applied a total of 574 rules in 103 ms. Remains 805 /1092 variables (removed 287) and now considering 735/1022 (removed 287) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11977082901815889047.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1693505450046964945.kers'
[2026-05-24 21:21:22] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11977082901815889047.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1693505450046964945.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 735 rows 805 cols 2138 entries
Finished phase 1 with 631 SingleSign rule and 0 generalized
[2026-05-24 21:21:22] [INFO ] Computed 174 invariants in 3 ms
Computed 174 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-1693505450046964945.kers
Total runtime 6 ms.
[2026-05-24 21:21:22] [INFO ] Implicit Places using invariants in 310 ms returned []
[2026-05-24 21:21:22] [INFO ] Invariant cache hit.
[2026-05-24 21:21:23] [INFO ] State equation strengthened by 240 read => feed constraints.
[2026-05-24 21:21:25] [INFO ] Implicit Places using invariants and state equation in 2046 ms returned []
Implicit Place search using SMT with State Equation took 2359 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 805/1335 places, 735/1022 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 7014 ms. Remains : 805/1335 places, 735/1022 transitions.
RANDOM walk for 4000000 steps (36359 resets) in 68522 ms. (58 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 128 ms. (310 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 120 ms. (330 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 107 ms. (370 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 107 ms. (370 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 125 ms. (317 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 107 ms. (370 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 110 ms. (360 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 107 ms. (370 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 110 ms. (360 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 111 ms. (357 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 109 ms. (363 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 110 ms. (360 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 107 ms. (370 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 109 ms. (363 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 109 ms. (363 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 109 ms. (363 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 120 ms. (330 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 107 ms. (370 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 112 ms. (354 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 110 ms. (360 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 110 ms. (360 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 109 ms. (363 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 110 ms. (360 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 108 ms. (367 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 108 ms. (367 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 108 ms. (367 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 106 ms. (373 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 110 ms. (360 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 109 ms. (363 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 116 ms. (341 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 110 ms. (360 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 110 ms. (360 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 111 ms. (357 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 109 ms. (363 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 111 ms. (357 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 110 ms. (360 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 110 ms. (360 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 110 ms. (360 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 110 ms. (360 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 106 ms. (373 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 109 ms. (363 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 113 ms. (350 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 109 ms. (363 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 108 ms. (367 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 109 ms. (363 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 109 ms. (363 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 108 ms. (367 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 118 ms. (336 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 129 ms. (307 steps per ms) remains 133/133 properties
BEST_FIRST walk for 40004 steps (8 resets) in 118 ms. (336 steps per ms) remains 133/133 properties
Interrupted probabilistic random walk after 4789415 steps, run timeout after 54001 ms. (steps per millisecond=88 ) properties seen :0 out of 133
Probabilistic random walk after 4789415 steps, saw 587561 distinct states, run finished after 54001 ms. (steps per millisecond=88 ) properties seen :0
[2026-05-24 21:22:38] [INFO ] Invariant cache hit.
[2026-05-24 21:22:38] [INFO ] State equation strengthened by 240 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/238 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 1 (OVERLAPS) 375/613 variables, 78/78 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/613 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 3 (OVERLAPS) 192/805 variables, 96/174 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/805 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 5 (OVERLAPS) 735/1540 variables, 805/979 constraints. Problems are: Problem set: 0 solved, 133 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/1540 variables, 240/1219 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1540 variables, 0/1219 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 8 (OVERLAPS) 0/1540 variables, 0/1219 constraints. Problems are: Problem set: 0 solved, 133 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1540/1540 variables, and 1219 constraints, problems are : Problem set: 0 solved, 133 unsolved in 40345 ms.
Refiners :[Positive P Invariants (semi-flows): 174/174 constraints, State Equation: 805/805 constraints, ReadFeed: 240/240 constraints, PredecessorRefiner: 133/133 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 133 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/238 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 1 (OVERLAPS) 375/613 variables, 78/78 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/613 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 3 (OVERLAPS) 192/805 variables, 96/174 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/805 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 5 (OVERLAPS) 735/1540 variables, 805/979 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1540 variables, 240/1219 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1540 variables, 133/1352 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1540 variables, 2/1354 constraints. Problems are: Problem set: 0 solved, 133 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1540/1540 variables, and 1357 constraints, problems are : Problem set: 0 solved, 133 unsolved in 135028 ms.
Refiners :[Positive P Invariants (semi-flows): 174/174 constraints, State Equation: 805/805 constraints, ReadFeed: 240/240 constraints, PredecessorRefiner: 133/133 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 5/5 constraints]
After SMT, in 175401ms problems are : Problem set: 0 solved, 133 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 238 out of 805 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 805/805 places, 735/735 transitions.
Applied a total of 0 rules in 41 ms. Remains 805 /805 variables (removed 0) and now considering 735/735 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 54 ms. Remains : 805/805 places, 735/735 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 805/805 places, 735/735 transitions.
Applied a total of 0 rules in 18 ms. Remains 805 /805 variables (removed 0) and now considering 735/735 (removed 0) transitions.
[2026-05-24 21:25:33] [INFO ] Invariant cache hit.
[2026-05-24 21:25:33] [INFO ] Implicit Places using invariants in 378 ms returned []
[2026-05-24 21:25:33] [INFO ] Invariant cache hit.
[2026-05-24 21:25:34] [INFO ] State equation strengthened by 240 read => feed constraints.
[2026-05-24 21:25:35] [INFO ] Implicit Places using invariants and state equation in 2036 ms returned []
Implicit Place search using SMT with State Equation took 2415 ms to find 0 implicit places.
[2026-05-24 21:25:35] [INFO ] Redundant transitions in 66 ms returned []
Running 734 sub problems to find dead transitions.
[2026-05-24 21:25:35] [INFO ] Invariant cache hit.
[2026-05-24 21:25:36] [INFO ] State equation strengthened by 240 read => feed constraints.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 804/1540 variables, and 0 constraints, problems are : Problem set: 0 solved, 734 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 0/174 constraints, State Equation: 0/805 constraints, ReadFeed: 0/240 constraints, PredecessorRefiner: 734/734 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 734 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/804 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 734 unsolved
At refinement iteration 1 (OVERLAPS) 1/805 variables, 174/174 constraints. Problems are: Problem set: 0 solved, 734 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 805/1540 variables, and 174 constraints, problems are : Problem set: 0 solved, 734 unsolved in 30032 ms.
Refiners :[Positive P Invariants (semi-flows): 174/174 constraints, State Equation: 0/805 constraints, ReadFeed: 0/240 constraints, PredecessorRefiner: 0/734 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60264ms problems are : Problem set: 0 solved, 734 unsolved
Search for dead transitions found 0 dead transitions in 60267ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62804 ms. Remains : 805/805 places, 735/735 transitions.
RANDOM walk for 400000 steps (3633 resets) in 6883 ms. (58 steps per ms) remains 133/238 properties
Running SMT prover for 133 properties.
[2026-05-24 21:26:38] [INFO ] Invariant cache hit.
[2026-05-24 21:26:38] [INFO ] [Real]Absence check using 174 positive place invariants in 41 ms returned sat
[2026-05-24 21:26:38] [INFO ] After 466ms SMT Verify possible using state equation in real domain returned unsat :0 sat :133
[2026-05-24 21:26:38] [INFO ] State equation strengthened by 240 read => feed constraints.
[2026-05-24 21:26:39] [INFO ] After 647ms SMT Verify possible using 240 Read/Feed constraints in real domain returned unsat :0 sat :133
TRAPS : Iteration 0
[2026-05-24 21:26:55] [INFO ] After 16862ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:133
[2026-05-24 21:26:55] [INFO ] After 17684ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:133
[2026-05-24 21:26:56] [INFO ] [Nat]Absence check using 174 positive place invariants in 39 ms returned sat
[2026-05-24 21:26:56] [INFO ] After 537ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :133
[2026-05-24 21:26:58] [INFO ] After 1731ms SMT Verify possible using 240 Read/Feed constraints in natural domain returned unsat :0 sat :133
TRAPS : Iteration 0

BK_TIME_CONFINEMENT_REACHED

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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="AutoFlight-PT-96b"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 AutoFlight-PT-96b, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r008-oct2-177944369900372"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutoFlight-PT-96b.tgz
mv AutoFlight-PT-96b execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;