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.r016-oct2-177944372900372.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 gold2025
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 r016-oct2-177944372900372
=====================================================================

--------------------
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 1779689090921

Invoking MCC driver with
GOLD_TOOL=
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 202505121319
[2026-05-25 06:04:52] [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]
[2026-05-25 06:04:52] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 06:04:53] [INFO ] Load time of PNML (sax parser for PT used): 558 ms
[2026-05-25 06:04:53] [INFO ] Transformed 7894 places.
[2026-05-25 06:04:53] [INFO ] Transformed 7868 transitions.
[2026-05-25 06:04:53] [INFO ] Found NUPN structural information;
[2026-05-25 06:04:53] [INFO ] Parsed PT model containing 7894 places and 7868 transitions and 18200 arcs in 1089 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 69 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 805 ms. Remains 1875 /7894 variables (removed 6019) and now considering 1465/7868 (removed 6403) transitions.
// Phase 1: matrix 1465 rows 1875 cols
[2026-05-25 06:04:54] [INFO ] Computed 514 invariants in 48 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 06:05:03] [INFO ] Implicit Places using invariants in 9362 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 9413 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 3 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 113 ms. Remains 1578 /1778 variables (removed 200) and now considering 1265/1465 (removed 200) transitions.
// Phase 1: matrix 1265 rows 1578 cols
[2026-05-25 06:05:04] [INFO ] Computed 417 invariants in 45 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 06:05:05] [INFO ] Implicit Places using invariants in 1735 ms returned []
[2026-05-25 06:05:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 06:05:07] [INFO ] State equation strengthened by 384 read => feed constraints.
[2026-05-25 06:05:37] [INFO ] Performed 882/1578 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-25 06:06:07] [INFO ] Implicit Places using invariants and state equation in 61446 ms returned []
Implicit Place search using SMT with State Equation took 63189 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 73541 ms. Remains : 1578/7894 places, 1265/7868 transitions.
Discarding 288 transitions out of 1265. Remains 977
Initial state reduction rules removed 1 formulas.
[2026-05-25 06:06:08] [INFO ] Flatten gal took : 524 ms
[2026-05-25 06:06:08] [INFO ] Flatten gal took : 326 ms
[2026-05-25 06:06:08] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1283733592614369521.gal : 59 ms
[2026-05-25 06:06:09] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality18179164885743764603.prop : 11 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality1283733592614369521.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality18179164885743764603.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality18179164885743764603.prop.
RANDOM walk for 40000 steps (176 resets) in 9716 ms. (4 steps per ms) remains 569/976 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 569/569 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 569/569 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 569/569 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 569/569 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 569/569 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 569/569 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 569/569 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 569/569 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 569/569 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 569/569 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 569/569 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 569/569 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 569/569 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 569/569 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 569/569 properties
BEST_FIRST walk for 124 steps (0 resets) in 12 ms. (9 steps per ms) remains 569/569 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 569/569 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 569/569 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 569/569 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 569/569 properties
BEST_FIRST walk for 124 steps (0 resets) in 13 ms. (8 steps per ms) remains 569/569 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 569/569 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 569/569 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 569/569 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 569/569 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 569/569 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 569/569 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 569/569 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 569/569 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 569/569 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 569/569 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 569/569 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 569/569 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 569/569 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 569/569 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 569/569 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 569/569 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 569/569 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 569/569 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 569/569 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 569/569 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 569/569 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 569/569 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 569/569 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 569/569 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 569/569 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 569/569 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 569/569 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 569/569 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 569/569 properties
[2026-05-25 06:06:10] [INFO ] Invariant cache hit.
[2026-05-25 06:06:10] [INFO ] State equation strengthened by 384 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
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) 0/982 variables, 982/982 constraints. Problems are: Problem set: 0 solved, 569 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 982/2843 variables, and 982 constraints, problems are : Problem set: 0 solved, 569 unsolved in 5062 ms.
Refiners :[Domain max(s): 982/1578 constraints, Positive P Invariants (semi-flows): 0/417 constraints, State Equation: 0/1578 constraints, ReadFeed: 0/384 constraints, PredecessorRefiner: 569/569 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 569 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/982 variables, 982/982 constraints. Problems are: Problem set: 0 solved, 569 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 982/2843 variables, and 982 constraints, problems are : Problem set: 0 solved, 569 unsolved in 5039 ms.
Refiners :[Domain max(s): 982/1578 constraints, Positive P Invariants (semi-flows): 0/417 constraints, State Equation: 0/1578 constraints, ReadFeed: 0/384 constraints, PredecessorRefiner: 0/569 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10726ms problems are : Problem set: 0 solved, 569 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 982 out of 1578 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1578/1578 places, 1265/1265 transitions.
Discarding 28 places :
Symmetric choice reduction at 0 with 28 rule applications. Total rules 28 place count 1550 transition count 1237
Iterating global reduction 0 with 28 rules applied. Total rules applied 56 place count 1550 transition count 1237
Free-agglomeration rule applied 47 times.
Iterating global reduction 0 with 47 rules applied. Total rules applied 103 place count 1550 transition count 1190
Reduce places removed 47 places and 0 transitions.
Iterating post reduction 0 with 47 rules applied. Total rules applied 150 place count 1503 transition count 1190
Applied a total of 150 rules in 278 ms. Remains 1503 /1578 variables (removed 75) and now considering 1190/1265 (removed 75) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 279 ms. Remains : 1503/1578 places, 1190/1265 transitions.
SDD proceeding with computation,872 properties remain. new max is 8
SDD size :730 after 177148
RANDOM walk for 2026691 steps (11330 resets) in 120004 ms. (16 steps per ms) remains 275/569 properties
BEST_FIRST walk for 40004 steps (8 resets) in 367 ms. (108 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 424 ms. (94 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 502 ms. (79 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 395 ms. (101 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 433 ms. (92 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 309 ms. (129 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 376 ms. (106 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 307 ms. (129 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 321 ms. (124 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 304 ms. (131 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 325 ms. (122 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 312 ms. (127 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 316 ms. (126 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 327 ms. (121 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 324 ms. (123 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 319 ms. (125 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 377 ms. (105 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 315 ms. (126 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 331 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 313 ms. (127 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 302 ms. (132 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 357 ms. (111 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 315 ms. (126 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 341 ms. (116 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 310 ms. (128 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 318 ms. (125 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 317 ms. (125 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 324 ms. (123 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 307 ms. (129 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 312 ms. (127 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 324 ms. (123 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 309 ms. (129 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 293 ms. (136 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 290 ms. (137 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 340 ms. (117 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 324 ms. (123 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 316 ms. (126 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 340 ms. (117 steps per ms) remains 275/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 368 ms. (108 steps per ms) remains 275/275 properties
// Phase 1: matrix 1190 rows 1503 cols
[2026-05-25 06:06:56] [INFO ] Computed 417 invariants in 9 ms
[2026-05-25 06:06:56] [INFO ] State equation strengthened by 431 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
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) 634/1105 variables, 183/183 constraints. Problems are: Problem set: 0 solved, 275 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:07:06] [INFO ] Deduced a trap composed of 6 places in 202 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:07:06] [INFO ] Deduced a trap composed of 6 places in 153 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:07:06] [INFO ] Deduced a trap composed of 6 places in 152 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:07:06] [INFO ] Deduced a trap composed of 6 places in 157 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:07:06] [INFO ] Deduced a trap composed of 6 places in 151 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:07:07] [INFO ] Deduced a trap composed of 6 places in 163 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:07:07] [INFO ] Deduced a trap composed of 6 places in 161 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:07:07] [INFO ] Deduced a trap composed of 6 places in 175 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:07:07] [INFO ] Deduced a trap composed of 6 places in 152 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:07:07] [INFO ] Deduced a trap composed of 6 places in 234 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:07:08] [INFO ] Deduced a trap composed of 6 places in 210 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:07:08] [INFO ] Deduced a trap composed of 6 places in 196 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:07:08] [INFO ] Deduced a trap composed of 6 places in 193 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:07:08] [INFO ] Deduced a trap composed of 6 places in 195 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:07:09] [INFO ] Deduced a trap composed of 6 places in 244 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:07:09] [INFO ] Deduced a trap composed of 6 places in 257 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:07:09] [INFO ] Deduced a trap composed of 6 places in 263 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:07:09] [INFO ] Deduced a trap composed of 6 places in 185 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:07:10] [INFO ] Deduced a trap composed of 6 places in 182 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:07:10] [INFO ] Deduced a trap composed of 6 places in 179 ms of which 8 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/1105 variables, 20/203 constraints. Problems are: Problem set: 0 solved, 275 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:07:10] [INFO ] Deduced a trap composed of 6 places in 204 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:07:11] [INFO ] Deduced a trap composed of 6 places in 518 ms of which 12 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/1105 variables, 2/205 constraints. Problems are: Problem set: 0 solved, 275 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
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(s1012 0.0)
(s1013 0.0)
(s1014 0.0)
(s1015 0.0)
(s1016 0.0)
(s1017 0.0)
(s1018 0.0)
(s1019 0.0)
(s1020 0.0)
(s1021 0.0)
(s1022 0.0)
(s1023 1.0)
(s1024 0.0)
(s1025 0.0)
(s1026 0.0)
(s1027 0.0)
(s1028 0.0)
(s1029 0.0)
(s1030 0.0)
(s1031 0.0)
(s1032 0.0)
(s1033 0.0)
(s1034 0.0)
(s1035 0.0)
(s1036 0.0)
(s1037 0.0)
(s1038 0.0)
(s1039 0.0)
(s1040 0.0)
(s1041 0.0)
(s1042 0.0)
(s1043 0.0)
(s1044 0.0)
(s1045 0.0)
(s1046 0.0)
(s1047 0.0)
(s1048 0.0)
(s1049 0.0)
(s1050 0.0)
(s1051 0.0)
(s1052 0.0)
(s1053 0.0)
(s1054 0.0)
(s1055 0.0)
(s1056 0.0)
(s1057 0.0)
(s1058 0.0)
(s1059 0.0)
(s1060 0.0)
(s1061 1.0)
(s1062 0.0)
(s1063 0.0)
(s1064 0.0)
(s1065 0.0)
(s1066 0.0)
(s1067 0.0)
(s1068 0.0)
(s1069 0.0)
(s1070 0.0)
(s1071 0.0)
(s1072 0.0)
(s1073 0.0)
(s1074 0.0)
(s1075 0.0)
(s1076 0.0)
(s1077 0.0)
(s1078 0.0)
(s1079 0.0)
(s1080 0.0)
(s1081 0.0)
(s1082 0.0)
(s1083 0.0)
(s1084 0.0)
(s1085 0.0)
(s1086 0.0)
(s1087 0.0)
(s1088 0.0)
(s1089 0.0)
(s1090 0.0)
(s1091 0.0)
(s1092 0.0)
(s1093 0.0)
(s1094 0.0)
(s1095 0.0)
(s1096 0.0)
(s1097 0.0)
(s1098 0.0)
(s1099 1.0)
(s1100 0.0)
(s1101 0.0)
(s1102 0.0)
(s1103 0.0)
(s1104 1.0)
(s1105 0.0)
(s1106 0.0)
(s1107 0.0)
(s1108 0.0)
(s1109 1.0)
(s1110 0.0)
(s1111 0.0)
(s1112 0.0)
(s1113 0.0)
(s1114 1.0)
(s1115 0.0)
(s1116 0.0)
(s1117 0.0)
(s1118 0.0)
(s1119 1.0)
(s1120 0.0)
(s1121 0.0)
(s1122 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1105/2693 variables, and 205 constraints, problems are : Problem set: 0 solved, 275 unsolved in 45023 ms.
Refiners :[Positive P Invariants (semi-flows): 183/417 constraints, State Equation: 0/1503 constraints, ReadFeed: 0/431 constraints, PredecessorRefiner: 275/275 constraints, Known Traps: 22/22 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 275 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
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) 634/1105 variables, 183/183 constraints. Problems are: Problem set: 0 solved, 275 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1105 variables, 22/205 constraints. Problems are: Problem set: 0 solved, 275 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:07:45] [INFO ] Deduced a trap composed of 6 places in 176 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:07:46] [INFO ] Deduced a trap composed of 6 places in 316 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:07:46] [INFO ] Deduced a trap composed of 6 places in 246 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:07:46] [INFO ] Deduced a trap composed of 6 places in 190 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:07:46] [INFO ] Deduced a trap composed of 6 places in 189 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:07:47] [INFO ] Deduced a trap composed of 6 places in 185 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:07:47] [INFO ] Deduced a trap composed of 6 places in 178 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:07:47] [INFO ] Deduced a trap composed of 6 places in 204 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:07:47] [INFO ] Deduced a trap composed of 6 places in 187 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:07:47] [INFO ] Deduced a trap composed of 6 places in 181 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:07:48] [INFO ] Deduced a trap composed of 6 places in 153 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:07:48] [INFO ] Deduced a trap composed of 6 places in 132 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:07:48] [INFO ] Deduced a trap composed of 6 places in 148 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:07:48] [INFO ] Deduced a trap composed of 6 places in 133 ms of which 7 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/1105 variables, 14/219 constraints. Problems are: Problem set: 0 solved, 275 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1105 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 275 unsolved
At refinement iteration 5 (OVERLAPS) 398/1503 variables, 234/453 constraints. Problems are: Problem set: 0 solved, 275 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:08:25] [INFO ] Deduced a trap composed of 4 places in 194 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:08:25] [INFO ] Deduced a trap composed of 4 places in 155 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:08:25] [INFO ] Deduced a trap composed of 4 places in 145 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:08:25] [INFO ] Deduced a trap composed of 4 places in 191 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:08:26] [INFO ] Deduced a trap composed of 4 places in 182 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:08:26] [INFO ] Deduced a trap composed of 4 places in 253 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:08:26] [INFO ] Deduced a trap composed of 4 places in 211 ms of which 8 ms to minimize.
SMT process timed out in 90223ms, After SMT, problems are : Problem set: 0 solved, 275 unsolved
Fused 275 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1 ms.
Support contains 471 out of 1503 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1503/1503 places, 1190/1190 transitions.
Discarding 68 places :
Symmetric choice reduction at 0 with 68 rule applications. Total rules 68 place count 1435 transition count 1122
Iterating global reduction 0 with 68 rules applied. Total rules applied 136 place count 1435 transition count 1122
Free-agglomeration rule applied 97 times.
Iterating global reduction 0 with 97 rules applied. Total rules applied 233 place count 1435 transition count 1025
Reduce places removed 97 places and 0 transitions.
Iterating post reduction 0 with 97 rules applied. Total rules applied 330 place count 1338 transition count 1025
Applied a total of 330 rules in 189 ms. Remains 1338 /1503 variables (removed 165) and now considering 1025/1190 (removed 165) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 189 ms. Remains : 1338/1503 places, 1025/1190 transitions.
RANDOM walk for 3067634 steps (22439 resets) in 120005 ms. (25 steps per ms) remains 207/275 properties
BEST_FIRST walk for 40004 steps (8 resets) in 307 ms. (129 steps per ms) remains 207/207 properties
BEST_FIRST walk for 40004 steps (8 resets) in 326 ms. (122 steps per ms) remains 207/207 properties
BEST_FIRST walk for 40004 steps (8 resets) in 318 ms. (125 steps per ms) remains 207/207 properties
BEST_FIRST walk for 40004 steps (8 resets) in 309 ms. (129 steps per ms) remains 207/207 properties
BEST_FIRST walk for 40004 steps (8 resets) in 332 ms. (120 steps per ms) remains 207/207 properties
BEST_FIRST walk for 40004 steps (8 resets) in 317 ms. (125 steps per ms) remains 207/207 properties
BEST_FIRST walk for 40004 steps (8 resets) in 318 ms. (125 steps per ms) remains 207/207 properties
BEST_FIRST walk for 40004 steps (8 resets) in 321 ms. (124 steps per ms) remains 207/207 properties
BEST_FIRST walk for 40004 steps (8 resets) in 332 ms. (120 steps per ms) remains 207/207 properties
BEST_FIRST walk for 40004 steps (8 resets) in 317 ms. (125 steps per ms) remains 207/207 properties
BEST_FIRST walk for 40004 steps (8 resets) in 321 ms. (124 steps per ms) remains 207/207 properties
BEST_FIRST walk for 40004 steps (8 resets) in 312 ms. (127 steps per ms) remains 207/207 properties
BEST_FIRST walk for 40004 steps (8 resets) in 320 ms. (124 steps per ms) remains 207/207 properties
BEST_FIRST walk for 40004 steps (8 resets) in 317 ms. (125 steps per ms) remains 207/207 properties
BEST_FIRST walk for 40003 steps (8 resets) in 313 ms. (127 steps per ms) remains 207/207 properties
BEST_FIRST walk for 40004 steps (8 resets) in 320 ms. (124 steps per ms) remains 207/207 properties
BEST_FIRST walk for 40004 steps (8 resets) in 323 ms. (123 steps per ms) remains 207/207 properties
BEST_FIRST walk for 40004 steps (8 resets) in 322 ms. (123 steps per ms) remains 207/207 properties
BEST_FIRST walk for 40004 steps (8 resets) in 314 ms. (126 steps per ms) remains 207/207 properties
BEST_FIRST walk for 40004 steps (8 resets) in 322 ms. (123 steps per ms) remains 207/207 properties
BEST_FIRST walk for 40004 steps (8 resets) in 317 ms. (125 steps per ms) remains 207/207 properties
BEST_FIRST walk for 40004 steps (8 resets) in 328 ms. (121 steps per ms) remains 207/207 properties
BEST_FIRST walk for 40004 steps (8 resets) in 333 ms. (119 steps per ms) remains 207/207 properties
BEST_FIRST walk for 40004 steps (8 resets) in 343 ms. (116 steps per ms) remains 207/207 properties
BEST_FIRST walk for 40004 steps (8 resets) in 374 ms. (106 steps per ms) remains 207/207 properties
BEST_FIRST walk for 40004 steps (8 resets) in 317 ms. (125 steps per ms) remains 207/207 properties
BEST_FIRST walk for 40004 steps (8 resets) in 327 ms. (121 steps per ms) remains 207/207 properties
BEST_FIRST walk for 40004 steps (8 resets) in 307 ms. (129 steps per ms) remains 207/207 properties
BEST_FIRST walk for 40004 steps (8 resets) in 318 ms. (125 steps per ms) remains 207/207 properties
BEST_FIRST walk for 40004 steps (8 resets) in 316 ms. (126 steps per ms) remains 207/207 properties
BEST_FIRST walk for 40004 steps (8 resets) in 330 ms. (120 steps per ms) remains 207/207 properties
BEST_FIRST walk for 40004 steps (8 resets) in 320 ms. (124 steps per ms) remains 207/207 properties
BEST_FIRST walk for 40004 steps (8 resets) in 315 ms. (126 steps per ms) remains 207/207 properties
BEST_FIRST walk for 40004 steps (8 resets) in 377 ms. (105 steps per ms) remains 207/207 properties
BEST_FIRST walk for 40004 steps (8 resets) in 341 ms. (116 steps per ms) remains 207/207 properties
BEST_FIRST walk for 40004 steps (8 resets) in 294 ms. (135 steps per ms) remains 207/207 properties
BEST_FIRST walk for 40004 steps (8 resets) in 331 ms. (120 steps per ms) remains 207/207 properties
BEST_FIRST walk for 40004 steps (8 resets) in 312 ms. (127 steps per ms) remains 207/207 properties
BEST_FIRST walk for 40004 steps (8 resets) in 372 ms. (107 steps per ms) remains 207/207 properties
BEST_FIRST walk for 40004 steps (8 resets) in 319 ms. (125 steps per ms) remains 207/207 properties
BEST_FIRST walk for 40004 steps (8 resets) in 359 ms. (111 steps per ms) remains 207/207 properties
BEST_FIRST walk for 40004 steps (8 resets) in 318 ms. (125 steps per ms) remains 207/207 properties
BEST_FIRST walk for 40004 steps (8 resets) in 313 ms. (127 steps per ms) remains 207/207 properties
BEST_FIRST walk for 40004 steps (8 resets) in 304 ms. (131 steps per ms) remains 207/207 properties
BEST_FIRST walk for 40004 steps (8 resets) in 326 ms. (122 steps per ms) remains 207/207 properties
BEST_FIRST walk for 40004 steps (8 resets) in 310 ms. (128 steps per ms) remains 207/207 properties
BEST_FIRST walk for 40004 steps (8 resets) in 307 ms. (129 steps per ms) remains 207/207 properties
BEST_FIRST walk for 40004 steps (8 resets) in 313 ms. (127 steps per ms) remains 207/207 properties
BEST_FIRST walk for 40004 steps (8 resets) in 348 ms. (114 steps per ms) remains 207/207 properties
BEST_FIRST walk for 40004 steps (8 resets) in 329 ms. (121 steps per ms) remains 207/207 properties
// Phase 1: matrix 1025 rows 1338 cols
[2026-05-25 06:09:01] [INFO ] Computed 417 invariants in 7 ms
[2026-05-25 06:09:01] [INFO ] State equation strengthened by 528 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/335 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 1 (OVERLAPS) 571/906 variables, 81/81 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/906 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 3 (OVERLAPS) 432/1338 variables, 336/417 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1338 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 5 (OVERLAPS) 1025/2363 variables, 1338/1755 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2363 variables, 528/2283 constraints. Problems are: Problem set: 0 solved, 207 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2363/2363 variables, and 2283 constraints, problems are : Problem set: 0 solved, 207 unsolved in 75040 ms.
Refiners :[Positive P Invariants (semi-flows): 417/417 constraints, State Equation: 1338/1338 constraints, ReadFeed: 528/528 constraints, PredecessorRefiner: 207/207 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 207 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/335 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 1 (OVERLAPS) 571/906 variables, 81/81 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/906 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 3 (OVERLAPS) 432/1338 variables, 336/417 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1338 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 5 (OVERLAPS) 1025/2363 variables, 1338/1755 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2363 variables, 528/2283 constraints. Problems are: Problem set: 0 solved, 207 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2363/2363 variables, and 2490 constraints, problems are : Problem set: 0 solved, 207 unsolved in 75020 ms.
Refiners :[Positive P Invariants (semi-flows): 417/417 constraints, State Equation: 1338/1338 constraints, ReadFeed: 528/528 constraints, PredecessorRefiner: 207/207 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 150155ms problems are : Problem set: 0 solved, 207 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 335 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 78 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 78 ms. Remains : 1338/1338 places, 1025/1025 transitions.
RANDOM walk for 3197803 steps (23334 resets) in 120004 ms. (26 steps per ms) remains 204/207 properties
BEST_FIRST walk for 40004 steps (8 resets) in 297 ms. (134 steps per ms) remains 204/204 properties
BEST_FIRST walk for 40004 steps (8 resets) in 282 ms. (141 steps per ms) remains 204/204 properties
BEST_FIRST walk for 40004 steps (8 resets) in 318 ms. (125 steps per ms) remains 204/204 properties
BEST_FIRST walk for 40004 steps (8 resets) in 311 ms. (128 steps per ms) remains 204/204 properties
BEST_FIRST walk for 40004 steps (8 resets) in 302 ms. (132 steps per ms) remains 204/204 properties
BEST_FIRST walk for 40004 steps (8 resets) in 308 ms. (129 steps per ms) remains 204/204 properties
BEST_FIRST walk for 40004 steps (8 resets) in 299 ms. (133 steps per ms) remains 204/204 properties
BEST_FIRST walk for 40004 steps (8 resets) in 300 ms. (132 steps per ms) remains 204/204 properties
BEST_FIRST walk for 40004 steps (8 resets) in 318 ms. (125 steps per ms) remains 204/204 properties
BEST_FIRST walk for 40004 steps (8 resets) in 308 ms. (129 steps per ms) remains 204/204 properties
BEST_FIRST walk for 40004 steps (8 resets) in 336 ms. (118 steps per ms) remains 204/204 properties
BEST_FIRST walk for 40004 steps (8 resets) in 305 ms. (130 steps per ms) remains 204/204 properties
BEST_FIRST walk for 40004 steps (8 resets) in 303 ms. (131 steps per ms) remains 204/204 properties
BEST_FIRST walk for 40004 steps (8 resets) in 313 ms. (127 steps per ms) remains 204/204 properties
BEST_FIRST walk for 40004 steps (8 resets) in 303 ms. (131 steps per ms) remains 204/204 properties
BEST_FIRST walk for 40004 steps (8 resets) in 315 ms. (126 steps per ms) remains 204/204 properties
BEST_FIRST walk for 40003 steps (8 resets) in 328 ms. (121 steps per ms) remains 204/204 properties
BEST_FIRST walk for 40004 steps (8 resets) in 303 ms. (131 steps per ms) remains 204/204 properties
BEST_FIRST walk for 40004 steps (8 resets) in 315 ms. (126 steps per ms) remains 204/204 properties
BEST_FIRST walk for 40004 steps (8 resets) in 299 ms. (133 steps per ms) remains 204/204 properties
BEST_FIRST walk for 40004 steps (8 resets) in 305 ms. (130 steps per ms) remains 204/204 properties
BEST_FIRST walk for 40004 steps (8 resets) in 302 ms. (132 steps per ms) remains 204/204 properties
BEST_FIRST walk for 40004 steps (8 resets) in 339 ms. (117 steps per ms) remains 204/204 properties
BEST_FIRST walk for 40004 steps (8 resets) in 346 ms. (115 steps per ms) remains 204/204 properties
BEST_FIRST walk for 40004 steps (8 resets) in 317 ms. (125 steps per ms) remains 204/204 properties
BEST_FIRST walk for 40004 steps (8 resets) in 311 ms. (128 steps per ms) remains 204/204 properties
BEST_FIRST walk for 40004 steps (8 resets) in 336 ms. (118 steps per ms) remains 204/204 properties
BEST_FIRST walk for 40004 steps (8 resets) in 300 ms. (132 steps per ms) remains 204/204 properties
BEST_FIRST walk for 40004 steps (8 resets) in 307 ms. (129 steps per ms) remains 204/204 properties
BEST_FIRST walk for 40004 steps (8 resets) in 315 ms. (126 steps per ms) remains 204/204 properties
BEST_FIRST walk for 40004 steps (8 resets) in 302 ms. (132 steps per ms) remains 204/204 properties
BEST_FIRST walk for 40004 steps (8 resets) in 303 ms. (131 steps per ms) remains 204/204 properties
BEST_FIRST walk for 40004 steps (8 resets) in 309 ms. (129 steps per ms) remains 204/204 properties
BEST_FIRST walk for 40004 steps (8 resets) in 306 ms. (130 steps per ms) remains 204/204 properties
BEST_FIRST walk for 40004 steps (8 resets) in 309 ms. (129 steps per ms) remains 204/204 properties
BEST_FIRST walk for 40004 steps (8 resets) in 311 ms. (128 steps per ms) remains 204/204 properties
BEST_FIRST walk for 40004 steps (8 resets) in 336 ms. (118 steps per ms) remains 204/204 properties
BEST_FIRST walk for 40004 steps (8 resets) in 311 ms. (128 steps per ms) remains 204/204 properties
BEST_FIRST walk for 40004 steps (8 resets) in 313 ms. (127 steps per ms) remains 204/204 properties
BEST_FIRST walk for 40004 steps (8 resets) in 316 ms. (126 steps per ms) remains 204/204 properties
BEST_FIRST walk for 40004 steps (8 resets) in 317 ms. (125 steps per ms) remains 204/204 properties
BEST_FIRST walk for 40004 steps (8 resets) in 314 ms. (126 steps per ms) remains 204/204 properties
BEST_FIRST walk for 40004 steps (8 resets) in 314 ms. (126 steps per ms) remains 204/204 properties
BEST_FIRST walk for 40004 steps (8 resets) in 342 ms. (116 steps per ms) remains 204/204 properties
BEST_FIRST walk for 40004 steps (8 resets) in 314 ms. (126 steps per ms) remains 204/204 properties
BEST_FIRST walk for 40004 steps (8 resets) in 313 ms. (127 steps per ms) remains 204/204 properties
BEST_FIRST walk for 40004 steps (8 resets) in 323 ms. (123 steps per ms) remains 204/204 properties
BEST_FIRST walk for 40004 steps (8 resets) in 316 ms. (126 steps per ms) remains 204/204 properties
BEST_FIRST walk for 40004 steps (8 resets) in 314 ms. (126 steps per ms) remains 204/204 properties
BEST_FIRST walk for 40004 steps (8 resets) in 333 ms. (119 steps per ms) remains 204/204 properties
Interrupted probabilistic random walk after 4001597 steps, run timeout after 102001 ms. (steps per millisecond=39 ) properties seen :64 out of 204
Probabilistic random walk after 4001597 steps, saw 582450 distinct states, run finished after 102014 ms. (steps per millisecond=39 ) properties seen :64
[2026-05-25 06:13:48] [INFO ] Invariant cache hit.
[2026-05-25 06:13:48] [INFO ] State equation strengthened by 528 read => feed constraints.
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/252 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 140 unsolved
At refinement iteration 1 (OVERLAPS) 648/900 variables, 78/78 constraints. Problems are: Problem set: 0 solved, 140 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/900 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 140 unsolved
At refinement iteration 3 (OVERLAPS) 438/1338 variables, 339/417 constraints. Problems are: Problem set: 0 solved, 140 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1338 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 140 unsolved
At refinement iteration 5 (OVERLAPS) 1025/2363 variables, 1338/1755 constraints. Problems are: Problem set: 0 solved, 140 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2363 variables, 528/2283 constraints. Problems are: Problem set: 0 solved, 140 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:15:03] [INFO ] Deduced a trap along path composed of 37 places in 114 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:15:03] [INFO ] Deduced a trap along path composed of 73 places in 75 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:15:05] [INFO ] Deduced a trap along path composed of 73 places in 80 ms of which 2 ms to minimize.
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
(s1 1.0)
(s2 1.0)
(s3 0.0)
(s4 1.0)
(s5 0.0)
(s6 1.0)
(s7 1.0)
(s8 0.0)
(s9 1.0)
(s10 0.0)
(s11 1.0)
(s12 1.0)
(s13 0.0)
(s14 1.0)
(s15 0.0)
(s16 1.0)
(s17 1.0)
(s18 0.0)
(s19 1.0)
(s20 0.0)
(s21 1.0)
(s22 1.0)
(s23 0.0)
(s24 1.0)
(s25 0.0)
(s26 1.0)
(s27 1.0)
(s28 0.0)
(s29 1.0)
(s30 0.0)
(s31 1.0)
(s32 1.0)
(s33 0.0)
(s34 1.0)
(s35 0.0)
(s36 1.0)
(s37 1.0)
(s38 0.0)
(s39 0.0)
(s40 1.0)
(s41 1.0)
(s42 1.0)
(s43 0.0)
(s44 0.0)
(s45 1.0)
(s46 1.0)
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(s1000 0.0)
(s1001 1.0)
(s1002 0.0)
(s1003 0.0)
(s1004 0.0)
(s1005 1.0)
(s1006 0.0)
(s1007 0.0)
(s1008 0.0)
(s1009 1.0)
(s1010 0.0)
(s1011 0.0)
(s1012 0.0)
(s1013 1.0)
(s1014 0.0)
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(s1021 1.0)
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(s1024 0.0)
(s1025 1.0)
(s1026 0.0)
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(s1029 1.0)
(s1030 0.0)
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(s1032 0.0)
(s1033 1.0)
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(s1037 1.0)
(s1038 0.0)
(s1039 0.0)
(s1040 0.0)
(s1041 1.0)
(s1042 0.0)
(s1043 0.0)
(s1044 0.0)
(s1045 1.0)
(s1046 0.0)
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(s1048 0.0)
(s1049 1.0)
(s1050 0.0)
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(s1053 1.0)
(s1054 0.0)
(s1055 0.0)
(s1056 0.0)
(s1057 1.0)
(s1058 0.0)
(s1059 0.0)
(s1060 0.0)
(s1061 1.0)
(s1062 0.0)
(s1063 0.0)
(s1064 0.0)
(s1065 1.0)
(s1066 0.0)
(s1067 0.0)
(s1068 0.0)
(s1069 1.0)
(s1070 0.0)
(s1071 0.0)
(s1072 0.0)
(s1073 1.0)
(s1074 0.0)
(s1075 0.0)
(s1076 0.0)
(s1077 1.0)
(s1078 0.0)
(s1079 0.0)
(s1080 0.0)
(s1081 1.0)
(s1082 0.0)
(s1083 0.0)
(s1084 0.0)
(s1085 1.0)
(s1086 0.0)
(s1087 0.0)
(s1088 0.0)
(s1089 1.0)
(s1090 0.0)
(s1091 0.0)
(s1092 0.0)
(s1093 1.0)
(s1094 0.0)
(s1095 0.0)
(s1096 0.0)
(s1097 1.0)
(s1098 0.0)
(s1099 0.0)
(s1100 0.0)
(s1101 1.0)
(s1102 0.0)
(s1103 0.0)
(s1104 0.0)
(s1105 1.0)
(s1106 0.0)
(s1107 0.0)
(s1108 0.0)
(s1109 1.0)
(s1110 0.0)
(s1111 0.0)
(s1112 0.0)
(s1113 1.0)
(s1114 0.0)
(s1115 0.0)
(s1116 0.0)
(s1117 1.0)
(s1118 0.0)
(s1119 0.0)
(s1120 0.0)
(s1121 1.0)
(s1122 0.0)
(s1123 0.0)
(s1124 0.0)
(s1125 1.0)
(s1126 0.0)
(s1127 0.0)
(s1128 0.0)
(s1129 1.0)
(s1130 0.0)
(s1131 0.0)
(s1132 0.0)
(s1133 1.0)
(s1134 0.0)
(s1135 0.0)
(s1136 0.0)
(s1137 1.0)
(s1138 0.0)
(s1139 0.0)
(s1140 0.0)
(s1141 1.0)
(s1142 0.0)
(s1143 0.0)
(s1144 0.0)
(s1145 1.0)
(s1146 0.0)
(s1147 0.0)
(s1148 0.0)
(s1149 1.0)
(s1150 0.0)
(s1151 0.0)
(s1152 0.0)
(s1153 1.0)
(s1154 0.0)
(s1155 0.0)
(s1156 0.0)
(s1157 1.0)
(s1158 0.0)
(s1159 0.0)
(s1160 0.0)
(s1161 1.0)
(s1162 0.0)
(s1163 0.0)
(s1164 0.0)
(s1165 1.0)
(s1166 0.0)
(s1167 0.0)
(s1168 0.0)
(s1169 1.0)
(s1170 0.0)
(s1171 0.0)
(s1172 0.0)
(s1173 1.0)
(s1174 0.0)
(s1175 0.0)
(s1176 0.0)
(s1177 1.0)
(s1178 0.0)
(s1179 0.0)
(s1180 0.0)
(s1181 1.0)
(s1182 0.0)
(s1183 0.0)
(s1184 0.0)
(s1185 1.0)
(s1186 0.0)
(s1187 0.0)
(s1188 0.0)
(s1189 1.0)
(s1190 0.0)
(s1191 0.0)
(s1192 0.0)
(s1193 1.0)
(s1194 0.0)
(s1195 1.0)
(s1196 0.0)
(s1197 1.0)
(s1198 0.0)
(s1199 1.0)
(s1200 0.0)
(s1201 1.0)
(s1202 0.0)
(s1203 1.0)
(s1204 0.0)
(s1205 1.0)
(s1206 0.0)
(s1207 1.0)
(s1208 0.0)
(s1209 1.0)
(s1210 0.0)
(s1211 1.0)
(s1212 0.0)
(s1213 1.0)
(s1214 0.0)
(s1215 1.0)
(s1216 0.0)
(s1217 1.0)
(s1218 0.0)
(s1219 0.0)
(s1220 0.0)
(s1221 1.0)
(s1222 0.0)
(s1223 0.0)
(s1224 0.0)
(s1225 1.0)
(s1226 0.0)
(s1227 0.0)
(s1228 0.0)
(s1229 1.0)
(s1230 0.0)
(s1231 0.0)
(s1232 0.0)
(s1233 1.0)
(s1234 0.0)
(s1235 0.0)
(s1236 0.0)
(s1237 1.0)
(s1238 0.0)
(s1239 0.0)
(s1240 0.0)
(s1241 1.0)
(s1242 0.0)
(s1243 0.0)
(s1244 0.0)
(s1245 1.0)
(s1246 0.0)
(s1247 0.0)
(s1248 0.0)
(s1249 1.0)
(s1250 0.0)
(s1251 0.0)
(s1252 0.0)
(s1253 1.0)
(s1254 0.0)
(s1255 0.0)
(s1256 0.0)
(s1257 1.0)
(s1258 0.0)
(s1259 0.0)
(s1260 0.0)
(s1261 1.0)
(s1262 0.0)
(s1263 0.0)
(s1264 0.0)
(s1265 1.0)
(s1266 0.0)
(s1267 1.0)
(s1268 0.0)
(s1269 1.0)
(s1270 0.0)
(s1271 1.0)
(s1272 0.0)
(s1273 1.0)
(s1274 0.0)
(s1275 1.0)
(s1276 0.0)
(s1277 1.0)
(s1278 0.0)
(s1279 1.0)
(s1280 0.0)
(s1281 1.0)
(s1282 0.0)
(s1283 1.0)
(s1284 0.0)
(s1285 1.0)
(s1286 0.0)
(s1287 1.0)
(s1288 0.0)
(s1289 1.0)
(s1290 0.0)
(s1291 0.0)
(s1292 0.0)
(s1293 1.0)
(s1294 0.0)
(s1295 0.0)
(s1296 0.0)
(s1297 1.0)
(s1298 0.0)
(s1299 0.0)
(s1300 0.0)
(s1301 1.0)
(s1302 0.0)
(s1303 0.0)
(s1304 0.0)
(s1305 1.0)
(s1306 0.0)
(s1307 0.0)
(s1308 0.0)
(s1309 1.0)
(s1310 0.0)
(s1311 0.0)
(s1312 0.0)
(s1313 1.0)
(s1314 0.0)
(s1315 0.0)
(s1316 0.0)
(s1317 1.0)
(s1318 0.0)
(s1319 0.0)
(s1320 0.0)
(s1321 1.0)
(s1322 0.0)
(s1323 0.0)
(s1324 0.0)
(s1325 1.0)
(s1326 0.0)
(s1327 timeout
0.0)
(s1328 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Stream closed")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2363/2363 variables, and 2286 constraints, problems are : Problem set: 0 solved, 140 unsolved in 90044 ms.
Refiners :[Positive P Invariants (semi-flows): 417/417 constraints, State Equation: 1338/1338 constraints, ReadFeed: 528/528 constraints, PredecessorRefiner: 140/140 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 140 unsolved
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/252 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 140 unsolved
At refinement iteration 1 (OVERLAPS) 648/900 variables, 78/78 constraints. Problems are: Problem set: 0 solved, 140 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/900 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 140 unsolved
At refinement iteration 3 (OVERLAPS) 438/1338 variables, 339/417 constraints. Problems are: Problem set: 0 solved, 140 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1338 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 140 unsolved
At refinement iteration 5 (OVERLAPS) 1025/2363 variables, 1338/1755 constraints. Problems are: Problem set: 0 solved, 140 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2363 variables, 528/2283 constraints. Problems are: Problem set: 0 solved, 140 unsolved
Detected timeout of ITS tools.
[2026-05-25 06:16:09] [INFO ] Flatten gal took : 85 ms
[2026-05-25 06:16:09] [INFO ] Applying decomposition
[2026-05-25 06:16:09] [INFO ] Flatten gal took : 75 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph10500331919481055712.txt' '-o' '/tmp/graph10500331919481055712.bin' '-w' '/tmp/graph10500331919481055712.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph10500331919481055712.bin' '-l' '-1' '-v' '-w' '/tmp/graph10500331919481055712.weights' '-q' '0' '-e' '0.001'
[2026-05-25 06:16:10] [INFO ] Decomposing Gal with order
[2026-05-25 06:16:10] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 06:16:10] [INFO ] Removed a total of 333 redundant transitions.
[2026-05-25 06:16:10] [INFO ] Flatten gal took : 199 ms
[2026-05-25 06:16:10] [INFO ] Fuse similar labels procedure discarded/fused a total of 526 labels/synchronizations in 214 ms.
[2026-05-25 06:16:10] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17510441814454008239.gal : 45 ms
[2026-05-25 06:16:10] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10174618764969237882.prop : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17510441814454008239.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10174618764969237882.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityCardinality10174618764969237882.prop.
SDD proceeding with computation,140 properties remain. new max is 4
SDD size :1 after 1
SDD proceeding with computation,140 properties remain. new max is 8
SDD size :1 after 1
SDD proceeding with computation,140 properties remain. new max is 16
SDD size :1 after 1
SDD proceeding with computation,140 properties remain. new max is 32
SDD size :1 after 1
SDD proceeding with computation,140 properties remain. new max is 64
SDD size :1 after 1
SDD proceeding with computation,140 properties remain. new max is 128
SDD size :1 after 1
SDD proceeding with computation,140 properties remain. new max is 256
SDD size :833 after 5.55701e+43
SDD proceeding with computation,140 properties remain. new max is 512
SDD size :5.55701e+43 after 8.91707e+44
SDD proceeding with computation,140 properties remain. new max is 1024
SDD size :8.91707e+44 after 2.54366e+45
SDD proceeding with computation,140 properties remain. new max is 2048
SDD size :2.54366e+45 after 6.32369e+45
SDD proceeding with computation,140 properties remain. new max is 4096
SDD size :6.32369e+45 after 1.34512e+46
SDD proceeding with computation,140 properties remain. new max is 8192
SDD size :1.34512e+46 after 2.61618e+47
SDD proceeding with computation,140 properties remain. new max is 16384
SDD size :2.61618e+47 after 1.38018e+48
SDD proceeding with computation,140 properties remain. new max is 32768
SDD size :1.38018e+48 after 4.51291e+48
At refinement iteration 7 (INCLUDED_ONLY) 0/2363 variables, 140/2423 constraints. Problems are: Problem set: 0 solved, 140 unsolved
SDD proceeding with computation,140 properties remain. new max is 65536
SDD size :4.51291e+48 after 2.48109e+50
SMT process timed out in 180162ms, After SMT, problems are : Problem set: 0 solved, 140 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 252 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 139 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 139 ms. Remains : 1335/1338 places, 1022/1025 transitions.
Reachability property qltransition_1139 is true.
Reachability property qltransition_1138 is true.
Reachability property qltransition_907 is true.
Reachability property qltransition_900 is true.
Reachability property qltransition_893 is true.
Reachability property qltransition_886 is true.
Reachability property qltransition_879 is true.
Reachability property qltransition_872 is true.
Reachability property qltransition_865 is true.
Reachability property qltransition_858 is true.
Reachability property qltransition_851 is true.
Reachability property qltransition_844 is true.
Reachability property qltransition_837 is true.
Reachability property qltransition_831 is true.
Reachability property qltransition_830 is true.
Reachability property qltransition_824 is true.
Reachability property qltransition_823 is true.
Reachability property qltransition_817 is true.
Reachability property qltransition_816 is true.
Reachability property qltransition_810 is true.
Reachability property qltransition_809 is true.
Reachability property qltransition_803 is true.
Reachability property qltransition_802 is true.
Reachability property qltransition_796 is true.
Reachability property qltransition_795 is true.
Reachability property qltransition_789 is true.
Reachability property qltransition_788 is true.
Reachability property qltransition_782 is true.
Reachability property qltransition_781 is true.
Reachability property qltransition_775 is true.
Reachability property qltransition_774 is true.
Reachability property qltransition_768 is true.
Reachability property qltransition_767 is true.
Reachability property qltransition_761 is true.
Reachability property qltransition_760 is true.
Reachability property qltransition_754 is true.
Reachability property qltransition_753 is true.
Reachability property qltransition_748 is true.
Reachability property qltransition_741 is true.
Reachability property qltransition_734 is true.
Reachability property qltransition_727 is true.
Reachability property qltransition_720 is true.
Reachability property qltransition_713 is true.
Reachability property qltransition_706 is true.
Reachability property qltransition_699 is true.
Reachability property qltransition_692 is true.
Reachability property qltransition_685 is true.
Reachability property qltransition_678 is true.
Reachability property qltransition_671 is true.
Reachability property qltransition_293 is true.
Reachability property qltransition_291 is true.
SDD proceeding with computation,89 properties remain. new max is 65536
SDD size :2.48109e+50 after 5.05579e+51
RANDOM walk for 3915710 steps (28579 resets) in 119977 ms. (32 steps per ms) remains 134/140 properties
BEST_FIRST walk for 40004 steps (8 resets) in 290 ms. (137 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40004 steps (8 resets) in 293 ms. (136 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40004 steps (8 resets) in 353 ms. (113 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40004 steps (8 resets) in 310 ms. (128 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40004 steps (8 resets) in 284 ms. (140 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40004 steps (8 resets) in 348 ms. (114 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40004 steps (8 resets) in 281 ms. (141 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40004 steps (8 resets) in 311 ms. (128 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40004 steps (8 resets) in 302 ms. (132 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40004 steps (8 resets) in 293 ms. (136 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40004 steps (8 resets) in 324 ms. (123 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40004 steps (8 resets) in 304 ms. (131 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40004 steps (8 resets) in 324 ms. (123 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40004 steps (8 resets) in 294 ms. (135 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40004 steps (8 resets) in 298 ms. (133 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40004 steps (8 resets) in 315 ms. (126 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40004 steps (8 resets) in 299 ms. (133 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40004 steps (8 resets) in 278 ms. (143 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40003 steps (8 resets) in 305 ms. (130 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40004 steps (8 resets) in 292 ms. (136 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40004 steps (8 resets) in 292 ms. (136 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40004 steps (8 resets) in 297 ms. (134 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40004 steps (8 resets) in 289 ms. (137 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40004 steps (8 resets) in 297 ms. (134 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40004 steps (8 resets) in 308 ms. (129 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40004 steps (8 resets) in 329 ms. (121 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40004 steps (8 resets) in 308 ms. (129 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40004 steps (8 resets) in 291 ms. (137 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40004 steps (8 resets) in 293 ms. (136 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40004 steps (8 resets) in 301 ms. (132 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40003 steps (8 resets) in 310 ms. (128 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40004 steps (8 resets) in 294 ms. (135 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40004 steps (8 resets) in 297 ms. (134 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40004 steps (8 resets) in 293 ms. (136 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40004 steps (8 resets) in 319 ms. (125 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40004 steps (8 resets) in 310 ms. (128 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40004 steps (8 resets) in 306 ms. (130 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40004 steps (8 resets) in 293 ms. (136 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40004 steps (8 resets) in 294 ms. (135 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40004 steps (8 resets) in 296 ms. (134 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40004 steps (8 resets) in 307 ms. (129 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40004 steps (8 resets) in 292 ms. (136 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40004 steps (8 resets) in 298 ms. (133 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40004 steps (8 resets) in 272 ms. (146 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40004 steps (8 resets) in 271 ms. (147 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40004 steps (8 resets) in 293 ms. (136 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40004 steps (8 resets) in 298 ms. (133 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40004 steps (8 resets) in 306 ms. (130 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40004 steps (8 resets) in 281 ms. (141 steps per ms) remains 134/134 properties
BEST_FIRST walk for 40004 steps (8 resets) in 324 ms. (123 steps per ms) remains 134/134 properties
SDD proceeding with computation,89 properties remain. new max is 131072
SDD size :5.05579e+51 after 3.57794e+52
SDD proceeding with computation,89 properties remain. new max is 262144
SDD size :3.57794e+52 after 3.66562e+52
Interrupted probabilistic random walk after 4261364 steps, run timeout after 102001 ms. (steps per millisecond=41 ) properties seen :0 out of 134
Probabilistic random walk after 4261364 steps, saw 598339 distinct states, run finished after 102003 ms. (steps per millisecond=41 ) properties seen :0
// Phase 1: matrix 1022 rows 1335 cols
[2026-05-25 06:19:06] [INFO ] Computed 417 invariants in 14 ms
[2026-05-25 06:19:06] [INFO ] State equation strengthened by 528 read => feed constraints.
Starting Z3 with timeout 105.0 s and query timeout 10500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/142 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 84 unsolved
At refinement iteration 1 (OVERLAPS) 646/788 variables, 40/40 constraints. Problems are: Problem set: 0 solved, 84 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/788 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 84 unsolved
At refinement iteration 3 (OVERLAPS) 547/1335 variables, 377/417 constraints. Problems are: Problem set: 0 solved, 84 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1335 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 84 unsolved
At refinement iteration 5 (OVERLAPS) 1022/2357 variables, 1335/1752 constraints. Problems are: Problem set: 0 solved, 84 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2357 variables, 528/2280 constraints. Problems are: Problem set: 0 solved, 84 unsolved
SDD proceeding with computation,89 properties remain. new max is 524288
SDD size :3.66562e+52 after 3.66866e+52
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:19:44] [INFO ] Deduced a trap along path composed of 37 places in 77 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:19:44] [INFO ] Deduced a trap along path composed of 73 places in 86 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:19:45] [INFO ] Deduced a trap along path composed of 73 places in 79 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/2357 variables, 3/2283 constraints. Problems are: Problem set: 0 solved, 84 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2357 variables, 0/2283 constraints. Problems are: Problem set: 0 solved, 84 unsolved
At refinement iteration 9 (OVERLAPS) 0/2357 variables, 0/2283 constraints. Problems are: Problem set: 0 solved, 84 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2357/2357 variables, and 2283 constraints, problems are : Problem set: 0 solved, 84 unsolved in 97293 ms.
Refiners :[Positive P Invariants (semi-flows): 417/417 constraints, State Equation: 1335/1335 constraints, ReadFeed: 528/528 constraints, PredecessorRefiner: 84/84 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 84 unsolved
Starting Z3 with timeout 105.0 s and query timeout 10500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/142 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 84 unsolved
At refinement iteration 1 (OVERLAPS) 646/788 variables, 40/40 constraints. Problems are: Problem set: 0 solved, 84 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/788 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 84 unsolved
At refinement iteration 3 (OVERLAPS) 547/1335 variables, 377/417 constraints. Problems are: Problem set: 0 solved, 84 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1335 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 84 unsolved
At refinement iteration 5 (OVERLAPS) 1022/2357 variables, 1335/1752 constraints. Problems are: Problem set: 0 solved, 84 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2357 variables, 528/2280 constraints. Problems are: Problem set: 0 solved, 84 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2357 variables, 84/2364 constraints. Problems are: Problem set: 0 solved, 84 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2357 variables, 3/2367 constraints. Problems are: Problem set: 0 solved, 84 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2357/2357 variables, and 2367 constraints, problems are : Problem set: 0 solved, 84 unsolved in 105118 ms.
Refiners :[Positive P Invariants (semi-flows): 417/417 constraints, State Equation: 1335/1335 constraints, ReadFeed: 528/528 constraints, PredecessorRefiner: 84/84 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 202493ms problems are : Problem set: 0 solved, 84 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 142 out of 1335 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1335/1335 places, 1022/1022 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 1333 transition count 1020
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 1333 transition count 1020
Free-agglomeration rule applied 72 times.
Iterating global reduction 0 with 72 rules applied. Total rules applied 76 place count 1333 transition count 948
Reduce places removed 72 places and 0 transitions.
Iterating post reduction 0 with 72 rules applied. Total rules applied 148 place count 1261 transition count 948
Applied a total of 148 rules in 285 ms. Remains 1261 /1335 variables (removed 74) and now considering 948/1022 (removed 74) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 285 ms. Remains : 1261/1335 places, 948/1022 transitions.
RANDOM walk for 4000000 steps (20161 resets) in 94656 ms. (42 steps per ms) remains 84/84 properties
BEST_FIRST walk for 400004 steps (46 resets) in 3036 ms. (131 steps per ms) remains 84/84 properties
BEST_FIRST walk for 400004 steps (45 resets) in 3196 ms. (125 steps per ms) remains 84/84 properties
BEST_FIRST walk for 400004 steps (46 resets) in 3019 ms. (132 steps per ms) remains 84/84 properties
BEST_FIRST walk for 400004 steps (82 resets) in 3146 ms. (127 steps per ms) remains 84/84 properties
BEST_FIRST walk for 400003 steps (99 resets) in 3091 ms. (129 steps per ms) remains 84/84 properties
BEST_FIRST walk for 400004 steps (87 resets) in 3105 ms. (128 steps per ms) remains 84/84 properties
BEST_FIRST walk for 400004 steps (77 resets) in 3042 ms. (131 steps per ms) remains 84/84 properties
BEST_FIRST walk for 400004 steps (86 resets) in 3063 ms. (130 steps per ms) remains 84/84 properties
BEST_FIRST walk for 400004 steps (82 resets) in 3096 ms. (129 steps per ms) remains 84/84 properties
BEST_FIRST walk for 400003 steps (91 resets) in 3114 ms. (128 steps per ms) remains 84/84 properties
BEST_FIRST walk for 400004 steps (90 resets) in 3126 ms. (127 steps per ms) remains 84/84 properties
BEST_FIRST walk for 400004 steps (88 resets) in 3192 ms. (125 steps per ms) remains 84/84 properties
BEST_FIRST walk for 400003 steps (81 resets) in 2955 ms. (135 steps per ms) remains 84/84 properties
BEST_FIRST walk for 400004 steps (83 resets) in 3164 ms. (126 steps per ms) remains 84/84 properties
BEST_FIRST walk for 400004 steps (91 resets) in 3038 ms. (131 steps per ms) remains 84/84 properties
BEST_FIRST walk for 400004 steps (88 resets) in 3043 ms. (131 steps per ms) remains 84/84 properties
BEST_FIRST walk for 400004 steps (86 resets) in 3103 ms. (128 steps per ms) remains 84/84 properties
BEST_FIRST walk for 400004 steps (82 resets) in 3231 ms. (123 steps per ms) remains 84/84 properties
BEST_FIRST walk for 400004 steps (82 resets) in 3063 ms. (130 steps per ms) remains 84/84 properties
BEST_FIRST walk for 400004 steps (88 resets) in 3135 ms. (127 steps per ms) remains 84/84 properties
BEST_FIRST walk for 400004 steps (78 resets) in 3466 ms. (115 steps per ms) remains 84/84 properties
BEST_FIRST walk for 400004 steps (88 resets) in 3126 ms. (127 steps per ms) remains 84/84 properties
BEST_FIRST walk for 400004 steps (80 resets) in 3111 ms. (128 steps per ms) remains 84/84 properties
BEST_FIRST walk for 400004 steps (90 resets) in 3180 ms. (125 steps per ms) remains 84/84 properties
BEST_FIRST walk for 400004 steps (86 resets) in 3101 ms. (128 steps per ms) remains 84/84 properties
BEST_FIRST walk for 400003 steps (90 resets) in 3068 ms. (130 steps per ms) remains 84/84 properties
BEST_FIRST walk for 400004 steps (79 resets) in 3126 ms. (127 steps per ms) remains 84/84 properties
BEST_FIRST walk for 400004 steps (89 resets) in 3271 ms. (122 steps per ms) remains 84/84 properties
BEST_FIRST walk for 400004 steps (78 resets) in 3102 ms. (128 steps per ms) remains 84/84 properties
BEST_FIRST walk for 400004 steps (84 resets) in 3078 ms. (129 steps per ms) remains 84/84 properties
BEST_FIRST walk for 400004 steps (78 resets) in 3082 ms. (129 steps per ms) remains 84/84 properties
BEST_FIRST walk for 400004 steps (81 resets) in 3244 ms. (123 steps per ms) remains 84/84 properties
BEST_FIRST walk for 400004 steps (88 resets) in 3075 ms. (130 steps per ms) remains 84/84 properties
BEST_FIRST walk for 400003 steps (79 resets) in 3198 ms. (125 steps per ms) remains 84/84 properties
BEST_FIRST walk for 400003 steps (75 resets) in 2964 ms. (134 steps per ms) remains 84/84 properties
BEST_FIRST walk for 400004 steps (93 resets) in 3113 ms. (128 steps per ms) remains 84/84 properties
BEST_FIRST walk for 400004 steps (72 resets) in 3106 ms. (128 steps per ms) remains 84/84 properties
BEST_FIRST walk for 400004 steps (79 resets) in 3023 ms. (132 steps per ms) remains 84/84 properties
BEST_FIRST walk for 400004 steps (81 resets) in 3129 ms. (127 steps per ms) remains 84/84 properties
BEST_FIRST walk for 400004 steps (87 resets) in 3157 ms. (126 steps per ms) remains 84/84 properties
BEST_FIRST walk for 400004 steps (88 resets) in 3034 ms. (131 steps per ms) remains 84/84 properties
BEST_FIRST walk for 400004 steps (85 resets) in 3081 ms. (129 steps per ms) remains 84/84 properties
BEST_FIRST walk for 400004 steps (92 resets) in 3034 ms. (131 steps per ms) remains 84/84 properties
BEST_FIRST walk for 400002 steps (79 resets) in 3078 ms. (129 steps per ms) remains 84/84 properties
BEST_FIRST walk for 400004 steps (85 resets) in 2990 ms. (133 steps per ms) remains 84/84 properties
BEST_FIRST walk for 400004 steps (79 resets) in 3024 ms. (132 steps per ms) remains 84/84 properties
BEST_FIRST walk for 400004 steps (78 resets) in 3022 ms. (132 steps per ms) remains 84/84 properties
BEST_FIRST walk for 400003 steps (73 resets) in 3083 ms. (129 steps per ms) remains 84/84 properties
BEST_FIRST walk for 400004 steps (85 resets) in 2991 ms. (133 steps per ms) remains 84/84 properties
BEST_FIRST walk for 400003 steps (88 resets) in 3107 ms. (128 steps per ms) remains 84/84 properties
SDD proceeding with computation,89 properties remain. new max is 1048576
SDD size :3.66866e+52 after 4.74753e+52
Detected timeout of ITS tools.
Interrupted probabilistic random walk after 8879660 steps, run timeout after 198001 ms. (steps per millisecond=44 ) properties seen :9 out of 84
Probabilistic random walk after 8879660 steps, saw 1088692 distinct states, run finished after 198004 ms. (steps per millisecond=44 ) properties seen :9
// Phase 1: matrix 948 rows 1261 cols
[2026-05-25 06:26:53] [INFO ] Computed 417 invariants in 7 ms
[2026-05-25 06:26:53] [INFO ] State equation strengthened by 600 read => feed constraints.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/124 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 1 (OVERLAPS) 664/788 variables, 40/40 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/788 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 3 (OVERLAPS) 473/1261 variables, 377/417 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1261 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 5 (OVERLAPS) 948/2209 variables, 1261/1678 constraints. Problems are: Problem set: 0 solved, 75 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/2209 variables, 600/2278 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2209 variables, 0/2278 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 8 (OVERLAPS) 0/2209 variables, 0/2278 constraints. Problems are: Problem set: 0 solved, 75 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2209/2209 variables, and 2278 constraints, problems are : Problem set: 0 solved, 75 unsolved in 38508 ms.
Refiners :[Positive P Invariants (semi-flows): 417/417 constraints, State Equation: 1261/1261 constraints, ReadFeed: 600/600 constraints, PredecessorRefiner: 75/75 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 75 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/124 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 1 (OVERLAPS) 664/788 variables, 40/40 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/788 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 3 (OVERLAPS) 473/1261 variables, 377/417 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1261 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 5 (OVERLAPS) 948/2209 variables, 1261/1678 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2209 variables, 600/2278 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2209 variables, 75/2353 constraints. Problems are: Problem set: 0 solved, 75 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:28:57] [INFO ] Deduced a trap along path composed of 37 places in 75 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:29:02] [INFO ] Deduced a trap along path composed of 73 places in 96 ms of which 0 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/2209 variables, 2/2355 constraints. Problems are: Problem set: 0 solved, 75 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2209/2209 variables, and 2355 constraints, problems are : Problem set: 0 solved, 75 unsolved in 120069 ms.
Refiners :[Positive P Invariants (semi-flows): 417/417 constraints, State Equation: 1261/1261 constraints, ReadFeed: 600/600 constraints, PredecessorRefiner: 75/75 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 158665ms problems are : Problem set: 0 solved, 75 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 124 out of 1261 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1261/1261 places, 948/948 transitions.
Applied a total of 0 rules in 55 ms. Remains 1261 /1261 variables (removed 0) and now considering 948/948 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 68 ms. Remains : 1261/1261 places, 948/948 transitions.
RANDOM walk for 4000000 steps (20268 resets) in 74711 ms. (53 steps per ms) remains 75/75 properties
BEST_FIRST walk for 400004 steps (47 resets) in 2359 ms. (169 steps per ms) remains 75/75 properties
BEST_FIRST walk for 400004 steps (50 resets) in 2348 ms. (170 steps per ms) remains 75/75 properties
BEST_FIRST walk for 400004 steps (48 resets) in 2346 ms. (170 steps per ms) remains 75/75 properties
BEST_FIRST walk for 400004 steps (90 resets) in 2416 ms. (165 steps per ms) remains 75/75 properties
BEST_FIRST walk for 400004 steps (87 resets) in 2415 ms. (165 steps per ms) remains 75/75 properties
BEST_FIRST walk for 400004 steps (85 resets) in 2363 ms. (169 steps per ms) remains 75/75 properties
BEST_FIRST walk for 400003 steps (87 resets) in 2446 ms. (163 steps per ms) remains 75/75 properties
BEST_FIRST walk for 400003 steps (79 resets) in 2357 ms. (169 steps per ms) remains 75/75 properties
BEST_FIRST walk for 400004 steps (93 resets) in 2369 ms. (168 steps per ms) remains 75/75 properties
BEST_FIRST walk for 400002 steps (89 resets) in 2433 ms. (164 steps per ms) remains 75/75 properties
BEST_FIRST walk for 400003 steps (73 resets) in 2378 ms. (168 steps per ms) remains 75/75 properties
BEST_FIRST walk for 400003 steps (89 resets) in 2340 ms. (170 steps per ms) remains 75/75 properties
BEST_FIRST walk for 400004 steps (91 resets) in 2410 ms. (165 steps per ms) remains 75/75 properties
BEST_FIRST walk for 400004 steps (75 resets) in 2385 ms. (167 steps per ms) remains 75/75 properties
BEST_FIRST walk for 400004 steps (85 resets) in 2339 ms. (170 steps per ms) remains 75/75 properties
BEST_FIRST walk for 400004 steps (80 resets) in 2420 ms. (165 steps per ms) remains 75/75 properties
BEST_FIRST walk for 400003 steps (84 resets) in 2353 ms. (169 steps per ms) remains 75/75 properties
BEST_FIRST walk for 400004 steps (82 resets) in 2367 ms. (168 steps per ms) remains 75/75 properties
BEST_FIRST walk for 400004 steps (89 resets) in 2407 ms. (166 steps per ms) remains 75/75 properties
BEST_FIRST walk for 400004 steps (82 resets) in 2509 ms. (159 steps per ms) remains 75/75 properties
BEST_FIRST walk for 400004 steps (79 resets) in 2357 ms. (169 steps per ms) remains 75/75 properties
BEST_FIRST walk for 400004 steps (88 resets) in 2436 ms. (164 steps per ms) remains 75/75 properties
BEST_FIRST walk for 400004 steps (94 resets) in 2338 ms. (171 steps per ms) remains 75/75 properties
BEST_FIRST walk for 400004 steps (79 resets) in 2358 ms. (169 steps per ms) remains 75/75 properties
BEST_FIRST walk for 400003 steps (74 resets) in 2465 ms. (162 steps per ms) remains 75/75 properties
BEST_FIRST walk for 400004 steps (80 resets) in 2341 ms. (170 steps per ms) remains 75/75 properties
BEST_FIRST walk for 400004 steps (96 resets) in 2346 ms. (170 steps per ms) remains 75/75 properties
BEST_FIRST walk for 400004 steps (88 resets) in 2432 ms. (164 steps per ms) remains 75/75 properties
BEST_FIRST walk for 400004 steps (72 resets) in 2369 ms. (168 steps per ms) remains 75/75 properties
BEST_FIRST walk for 400004 steps (72 resets) in 2370 ms. (168 steps per ms) remains 75/75 properties
BEST_FIRST walk for 400004 steps (94 resets) in 2441 ms. (163 steps per ms) remains 75/75 properties
BEST_FIRST walk for 400004 steps (78 resets) in 2365 ms. (169 steps per ms) remains 75/75 properties
BEST_FIRST walk for 400003 steps (87 resets) in 2349 ms. (170 steps per ms) remains 75/75 properties
BEST_FIRST walk for 400004 steps (76 resets) in 2451 ms. (163 steps per ms) remains 75/75 properties
BEST_FIRST walk for 400003 steps (68 resets) in 2374 ms. (168 steps per ms) remains 75/75 properties
BEST_FIRST walk for 400004 steps (85 resets) in 2351 ms. (170 steps per ms) remains 75/75 properties
BEST_FIRST walk for 400004 steps (82 resets) in 2357 ms. (169 steps per ms) remains 75/75 properties
BEST_FIRST walk for 400004 steps (78 resets) in 2418 ms. (165 steps per ms) remains 75/75 properties
BEST_FIRST walk for 400004 steps (71 resets) in 2370 ms. (168 steps per ms) remains 75/75 properties
BEST_FIRST walk for 400004 steps (79 resets) in 2352 ms. (169 steps per ms) remains 75/75 properties
BEST_FIRST walk for 400004 steps (92 resets) in 2339 ms. (170 steps per ms) remains 75/75 properties
BEST_FIRST walk for 400004 steps (83 resets) in 2350 ms. (170 steps per ms) remains 75/75 properties
BEST_FIRST walk for 400004 steps (79 resets) in 2337 ms. (171 steps per ms) remains 75/75 properties
BEST_FIRST walk for 400004 steps (82 resets) in 2392 ms. (167 steps per ms) remains 75/75 properties
BEST_FIRST walk for 400004 steps (73 resets) in 2386 ms. (167 steps per ms) remains 75/75 properties
BEST_FIRST walk for 400004 steps (70 resets) in 2382 ms. (167 steps per ms) remains 75/75 properties
BEST_FIRST walk for 400004 steps (104 resets) in 2373 ms. (168 steps per ms) remains 75/75 properties
BEST_FIRST walk for 400004 steps (77 resets) in 2347 ms. (170 steps per ms) remains 75/75 properties
BEST_FIRST walk for 400004 steps (67 resets) in 2366 ms. (168 steps per ms) remains 75/75 properties
BEST_FIRST walk for 400004 steps (85 resets) in 2389 ms. (167 steps per ms) remains 75/75 properties
Interrupted probabilistic random walk after 7512415 steps, run timeout after 153001 ms. (steps per millisecond=49 ) properties seen :0 out of 75
Probabilistic random walk after 7512415 steps, saw 946670 distinct states, run finished after 153001 ms. (steps per millisecond=49 ) properties seen :0
[2026-05-25 06:32:56] [INFO ] Invariant cache hit.
[2026-05-25 06:32:56] [INFO ] State equation strengthened by 600 read => feed constraints.
Starting Z3 with timeout 135.0 s and query timeout 13500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/124 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 1 (OVERLAPS) 664/788 variables, 40/40 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/788 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 3 (OVERLAPS) 473/1261 variables, 377/417 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1261 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 5 (OVERLAPS) 948/2209 variables, 1261/1678 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2209 variables, 600/2278 constraints. Problems are: Problem set: 0 solved, 75 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:33:32] [INFO ] Deduced a trap along path composed of 73 places in 60 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:33:38] [INFO ] Deduced a trap along path composed of 73 places in 78 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/2209 variables, 2/2280 constraints. Problems are: Problem set: 0 solved, 75 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:33:58] [INFO ] Deduced a trap along path composed of 37 places in 69 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/2209 variables, 1/2281 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2209 variables, 0/2281 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 10 (OVERLAPS) 0/2209 variables, 0/2281 constraints. Problems are: Problem set: 0 solved, 75 unsolved

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_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /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="gold2025"
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 gold2025"
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 r016-oct2-177944372900372"
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 ;