Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r104-tall-177955698800557.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is DoubleExponent-PT-020, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r104-tall-177955698800557
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 764K
-rw-r--r-- 1 mcc users 5.9K Mar 6 16:56 CTLCardinality.txt
-rw-r--r-- 1 mcc users 56K Mar 6 16:56 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K Mar 6 16:56 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K Mar 6 16:56 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.0K Mar 15 09:37 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 09:37 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 09:37 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 09:37 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 6 16:56 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 129K Mar 6 16:56 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.3K Mar 6 16:56 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 59K Mar 6 16:56 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 09:37 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:37 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 340K 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 1779610755089

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DoubleExponent-PT-020
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-24 08:19:16] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-24 08:19:16] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 08:19:16] [INFO ] Load time of PNML (sax parser for PT used): 105 ms
[2026-05-24 08:19:16] [INFO ] Transformed 1064 places.
[2026-05-24 08:19:16] [INFO ] Transformed 998 transitions.
[2026-05-24 08:19:16] [INFO ] Parsed PT model containing 1064 places and 998 transitions and 2814 arcs in 199 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 1064/1064 places, 998/998 transitions.
Reduce places removed 4 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 240 transitions
Trivial Post-agglo rules discarded 240 transitions
Performed 240 trivial Post agglomeration. Transition count delta: 240
Iterating post reduction 0 with 244 rules applied. Total rules applied 244 place count 1060 transition count 758
Reduce places removed 240 places and 0 transitions.
Iterating post reduction 1 with 240 rules applied. Total rules applied 484 place count 820 transition count 758
Performed 40 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 40 Pre rules applied. Total rules applied 484 place count 820 transition count 718
Deduced a syphon composed of 40 places in 44 ms
Reduce places removed 40 places and 0 transitions.
Iterating global reduction 2 with 80 rules applied. Total rules applied 564 place count 780 transition count 718
Performed 184 Post agglomeration using F-continuation condition.Transition count delta: 184
Deduced a syphon composed of 184 places in 5 ms
Reduce places removed 184 places and 0 transitions.
Iterating global reduction 2 with 368 rules applied. Total rules applied 932 place count 596 transition count 534
Performed 38 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 38 places in 7 ms
Reduce places removed 38 places and 0 transitions.
Iterating global reduction 2 with 76 rules applied. Total rules applied 1008 place count 558 transition count 534
Applied a total of 1008 rules in 193 ms. Remains 558 /1064 variables (removed 506) and now considering 534/998 (removed 464) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1384385483669330800.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13628014303379920630.kers'
[2026-05-24 08:19:16] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1384385483669330800.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13628014303379920630.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 534 rows 558 cols 2091 entries
Finished phase 1 with 323 SingleSign rule and 134 generalized
[2026-05-24 08:19:16] [INFO ] Computed 101 invariants in 8 ms
Computed 101 P flows in 8 ms.
Exported basis to /tmp/petrispot-output-13628014303379920630.kers
Total runtime 9 ms.
[2026-05-24 08:19:17] [INFO ] Implicit Places using invariants in 603 ms returned [16, 17]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 637 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 556/1064 places, 534/998 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 556 transition count 533
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 555 transition count 533
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 8 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 8 place count 552 transition count 530
Applied a total of 8 rules in 41 ms. Remains 552 /556 variables (removed 4) and now considering 530/534 (removed 4) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-18412835006201432494.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16072902612082825677.kers'
[2026-05-24 08:19:17] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-18412835006201432494.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16072902612082825677.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 530 rows 552 cols 2075 entries
Finished phase 1 with 316 SingleSign rule and 137 generalized
[2026-05-24 08:19:17] [INFO ] Computed 99 invariants in 12 ms
Computed 99 P flows in 12 ms.
Exported basis to /tmp/petrispot-output-16072902612082825677.kers
Total runtime 13 ms.
[2026-05-24 08:19:17] [INFO ] Implicit Places using invariants in 323 ms returned []
[2026-05-24 08:19:17] [INFO ] Invariant cache hit.
[2026-05-24 08:19:17] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-24 08:19:25] [INFO ] Implicit Places using invariants and state equation in 7728 ms returned []
Implicit Place search using SMT with State Equation took 8054 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 552/1064 places, 530/998 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 8939 ms. Remains : 552/1064 places, 530/998 transitions.
Discarding 118 transitions out of 530. Remains 412
Initial state reduction rules removed 1 formulas.
[2026-05-24 08:19:26] [INFO ] Flatten gal took : 167 ms
[2026-05-24 08:19:26] [INFO ] Flatten gal took : 94 ms
[2026-05-24 08:19:26] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3020302992898557437.gal : 41 ms
[2026-05-24 08:19:26] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11477360957641022250.prop : 4 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality3020302992898557437.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11477360957641022250.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
RANDOM walk for 40000 steps (4868 resets) in 2948 ms. (13 steps per ms) remains 385/411 properties
BEST_FIRST walk for 402 steps (30 resets) in 21 ms. (18 steps per ms) remains 385/385 properties
BEST_FIRST walk for 401 steps (32 resets) in 18 ms. (21 steps per ms) remains 385/385 properties
BEST_FIRST walk for 401 steps (28 resets) in 14 ms. (26 steps per ms) remains 385/385 properties
BEST_FIRST walk for 400 steps (28 resets) in 45 ms. (8 steps per ms) remains 385/385 properties
BEST_FIRST walk for 403 steps (26 resets) in 34 ms. (11 steps per ms) remains 385/385 properties
Loading property file /tmp/ReachabilityCardinality11477360957641022250.prop.
BEST_FIRST walk for 402 steps (30 resets) in 45 ms. (8 steps per ms) remains 385/385 properties
BEST_FIRST walk for 400 steps (30 resets) in 12 ms. (30 steps per ms) remains 385/385 properties
BEST_FIRST walk for 402 steps (27 resets) in 14 ms. (26 steps per ms) remains 385/385 properties
BEST_FIRST walk for 401 steps (31 resets) in 18 ms. (21 steps per ms) remains 385/385 properties
BEST_FIRST walk for 402 steps (28 resets) in 16 ms. (23 steps per ms) remains 385/385 properties
BEST_FIRST walk for 401 steps (28 resets) in 14 ms. (26 steps per ms) remains 385/385 properties
BEST_FIRST walk for 401 steps (28 resets) in 12 ms. (30 steps per ms) remains 385/385 properties
BEST_FIRST walk for 402 steps (29 resets) in 28 ms. (13 steps per ms) remains 385/385 properties
BEST_FIRST walk for 403 steps (29 resets) in 14 ms. (26 steps per ms) remains 385/385 properties
BEST_FIRST walk for 401 steps (29 resets) in 11 ms. (33 steps per ms) remains 385/385 properties
BEST_FIRST walk for 400 steps (29 resets) in 12 ms. (30 steps per ms) remains 385/385 properties
BEST_FIRST walk for 403 steps (28 resets) in 10 ms. (36 steps per ms) remains 385/385 properties
BEST_FIRST walk for 402 steps (29 resets) in 10 ms. (36 steps per ms) remains 385/385 properties
BEST_FIRST walk for 401 steps (29 resets) in 9 ms. (40 steps per ms) remains 385/385 properties
BEST_FIRST walk for 402 steps (31 resets) in 9 ms. (40 steps per ms) remains 385/385 properties
BEST_FIRST walk for 404 steps (26 resets) in 10 ms. (36 steps per ms) remains 385/385 properties
BEST_FIRST walk for 403 steps (24 resets) in 15 ms. (25 steps per ms) remains 385/385 properties
BEST_FIRST walk for 402 steps (29 resets) in 10 ms. (36 steps per ms) remains 385/385 properties
BEST_FIRST walk for 401 steps (32 resets) in 12 ms. (30 steps per ms) remains 385/385 properties
BEST_FIRST walk for 402 steps (32 resets) in 14 ms. (26 steps per ms) remains 385/385 properties
BEST_FIRST walk for 402 steps (25 resets) in 14 ms. (26 steps per ms) remains 385/385 properties
BEST_FIRST walk for 401 steps (29 resets) in 8 ms. (44 steps per ms) remains 385/385 properties
BEST_FIRST walk for 402 steps (28 resets) in 8 ms. (44 steps per ms) remains 385/385 properties
BEST_FIRST walk for 402 steps (28 resets) in 8 ms. (44 steps per ms) remains 385/385 properties
BEST_FIRST walk for 401 steps (29 resets) in 10 ms. (36 steps per ms) remains 385/385 properties
BEST_FIRST walk for 401 steps (26 resets) in 19 ms. (20 steps per ms) remains 385/385 properties
BEST_FIRST walk for 400 steps (25 resets) in 16 ms. (23 steps per ms) remains 385/385 properties
BEST_FIRST walk for 404 steps (30 resets) in 10 ms. (36 steps per ms) remains 385/385 properties
BEST_FIRST walk for 403 steps (26 resets) in 12 ms. (31 steps per ms) remains 385/385 properties
BEST_FIRST walk for 400 steps (30 resets) in 12 ms. (30 steps per ms) remains 385/385 properties
BEST_FIRST walk for 400 steps (29 resets) in 17 ms. (22 steps per ms) remains 385/385 properties
BEST_FIRST walk for 402 steps (28 resets) in 10 ms. (36 steps per ms) remains 385/385 properties
BEST_FIRST walk for 402 steps (29 resets) in 8 ms. (44 steps per ms) remains 385/385 properties
BEST_FIRST walk for 400 steps (29 resets) in 12 ms. (30 steps per ms) remains 385/385 properties
Reachability property qltransition_400 is true.
BEST_FIRST walk for 402 steps (31 resets) in 13 ms. (28 steps per ms) remains 385/385 properties
BEST_FIRST walk for 403 steps (29 resets) in 9 ms. (40 steps per ms) remains 385/385 properties
Reachability property qltransition_198 is true.
BEST_FIRST walk for 401 steps (27 resets) in 11 ms. (33 steps per ms) remains 385/385 properties
BEST_FIRST walk for 402 steps (33 resets) in 11 ms. (33 steps per ms) remains 385/385 properties
BEST_FIRST walk for 403 steps (29 resets) in 10 ms. (36 steps per ms) remains 385/385 properties
BEST_FIRST walk for 403 steps (29 resets) in 14 ms. (26 steps per ms) remains 385/385 properties
BEST_FIRST walk for 404 steps (27 resets) in 12 ms. (31 steps per ms) remains 385/385 properties
BEST_FIRST walk for 401 steps (33 resets) in 12 ms. (30 steps per ms) remains 385/385 properties
BEST_FIRST walk for 401 steps (31 resets) in 10 ms. (36 steps per ms) remains 385/385 properties
SDD proceeding with computation,409 properties remain. new max is 2
SDD size :1 after 3
BEST_FIRST walk for 401 steps (26 resets) in 11 ms. (33 steps per ms) remains 385/385 properties
BEST_FIRST walk for 401 steps (31 resets) in 11 ms. (33 steps per ms) remains 385/385 properties
Reachability property qltransition_287 is true.
Reachability property qltransition_283 is true.
Reachability property qltransition_98 is true.
Reachability property qltransition_36 is true.
SDD proceeding with computation,405 properties remain. new max is 2
SDD size :3 after 7
SDD proceeding with computation,405 properties remain. new max is 4
SDD size :7 after 8
SDD proceeding with computation,405 properties remain. new max is 8
SDD size :8 after 9
Reachability property qltransition_15 is true.
SDD proceeding with computation,404 properties remain. new max is 8
SDD size :9 after 11
SDD proceeding with computation,404 properties remain. new max is 16
SDD size :11 after 17
Reachability property qltransition_418 is true.
Reachability property qltransition_305 is true.
Reachability property qltransition_298 is true.
Reachability property qltransition_104 is true.
Reachability property qltransition_61 is true.
SDD proceeding with computation,399 properties remain. new max is 16
SDD size :17 after 26
Reachability property qltransition_70 is true.
Reachability property qltransition_24 is true.
SDD proceeding with computation,397 properties remain. new max is 16
SDD size :26 after 32
SDD proceeding with computation,397 properties remain. new max is 32
SDD size :32 after 40
Reachability property qltransition_94 is true.
SDD proceeding with computation,396 properties remain. new max is 32
SDD size :40 after 62
Reachability property qltransition_480 is true.
Reachability property qltransition_345 is true.
Reachability property qltransition_344 is true.
Reachability property qltransition_218 is true.
Reachability property qltransition_156 is true.
Reachability property qltransition_113 is true.
Reachability property qltransition_28 is true.
SDD proceeding with computation,389 properties remain. new max is 32
SDD size :62 after 70
Reachability property qltransition_398 is true.
Reachability property qltransition_238 is true.
Reachability property qltransition_224 is true.
SDD proceeding with computation,386 properties remain. new max is 32
SDD size :70 after 82
Reachability property qltransition_134 is true.
SDD proceeding with computation,385 properties remain. new max is 32
SDD size :82 after 124
Reachability property qltransition_420 is true.
Reachability property qltransition_243 is true.
SDD proceeding with computation,383 properties remain. new max is 32
SDD size :124 after 135
SDD proceeding with computation,383 properties remain. new max is 64
SDD size :135 after 169
SDD proceeding with computation,383 properties remain. new max is 128
SDD size :169 after 237
Reachability property qltransition_500 is true.
Reachability property qltransition_363 is true.
Reachability property qltransition_359 is true.
Reachability property qltransition_244 is true.
Reachability property qltransition_189 is true.
Reachability property qltransition_180 is true.
Reachability property qltransition_143 is true.
SDD proceeding with computation,376 properties remain. new max is 128
SDD size :237 after 444
SDD proceeding with computation,376 properties remain. new max is 256
SDD size :444 after 814
SDD proceeding with computation,376 properties remain. new max is 512
SDD size :814 after 1326
Reachability property qltransition_498 is true.
Reachability property qltransition_478 is true.
Reachability property qltransition_374 is true.
Reachability property qltransition_260 is true.
Reachability property qltransition_259 is true.
Reachability property qltransition_214 is true.
Reachability property qltransition_147 is true.
Reachability property qltransition_11 is true.
Reachability property qltransition_10 is true.
Reachability property qltransition_9 is true.
Reachability property qltransition_8 is true.
Reachability property qltransition_4 is true.
Reachability property qltransition_1 is true.
Reachability property qltransition_0 is true.
SDD proceeding with computation,362 properties remain. new max is 512
SDD size :1326 after 3879
SDD proceeding with computation,362 properties remain. new max is 1024
SDD size :3879 after 18145
Reachability property qltransition_378 is true.
Reachability property qltransition_263 is true.
Reachability property qltransition_262 is true.
Reachability property qltransition_12 is true.
Reachability property qltransition_6 is true.
Reachability property qltransition_5 is true.
Reachability property qltransition_2 is true.
SDD proceeding with computation,355 properties remain. new max is 1024
SDD size :18145 after 69984
SDD proceeding with computation,355 properties remain. new max is 2048
SDD size :69984 after 121223
SDD proceeding with computation,355 properties remain. new max is 4096
SDD size :121223 after 217386
SDD proceeding with computation,355 properties remain. new max is 8192
SDD size :217386 after 423790
SDD proceeding with computation,355 properties remain. new max is 16384
SDD size :423790 after 847222
Probabilistic random walk after 100000 steps, saw 50009 distinct states, run finished after 2588 ms. (steps per millisecond=38 ) properties seen :23
[2026-05-24 08:19:29] [INFO ] Invariant cache hit.
[2026-05-24 08:19:29] [INFO ] State equation strengthened by 40 read => feed constraints.
Reachability property qltransition_382 is true.
Reachability property qltransition_380 is true.
Reachability property qltransition_376 is true.
Reachability property qltransition_266 is true.
Reachability property qltransition_265 is true.
Reachability property qltransition_26 is true.
Reachability property qltransition_25 is true.
Reachability property qltransition_23 is true.
Reachability property qltransition_22 is true.
Reachability property qltransition_18 is true.
Reachability property qltransition_14 is true.
Reachability property qltransition_13 is true.
Reachability property qltransition_7 is true.
Reachability property qltransition_3 is true.
SDD proceeding with computation,341 properties remain. new max is 16384
SDD size :847222 after 6.12297e+07
SDD proceeding with computation,341 properties remain. new max is 32768
SDD size :6.12297e+07 after 2.93584e+08
At refinement iteration 0 (INCLUDED_ONLY) 0/479 variables, 52/52 constraints. Problems are: Problem set: 0 solved, 355 unsolved
SDD proceeding with computation,341 properties remain. new max is 65536
SDD size :2.93584e+08 after 1.05867e+09
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 479/1082 variables, and 52 constraints, problems are : Problem set: 14 solved, 341 unsolved in 5020 ms.
Refiners :[Positive P Invariants (semi-flows): 0/2 constraints, Generalized P Invariants (flows): 52/97 constraints, State Equation: 0/552 constraints, ReadFeed: 0/40 constraints, PredecessorRefiner: 355/355 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 14 solved, 341 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/460 variables, 49/49 constraints. Problems are: Problem set: 14 solved, 341 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/460 variables, 0/49 constraints. Problems are: Problem set: 14 solved, 341 unsolved
At refinement iteration 2 (OVERLAPS) 41/501 variables, 35/84 constraints. Problems are: Problem set: 14 solved, 341 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 501/1082 variables, and 84 constraints, problems are : Problem set: 14 solved, 341 unsolved in 5030 ms.
Refiners :[Positive P Invariants (semi-flows): 0/2 constraints, Generalized P Invariants (flows): 84/97 constraints, State Equation: 0/552 constraints, ReadFeed: 0/40 constraints, PredecessorRefiner: 0/355 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10167ms problems are : Problem set: 14 solved, 341 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 460 out of 552 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 552/552 places, 530/530 transitions.
Free-agglomeration rule (complex) applied 9 times.
Iterating global reduction 0 with 9 rules applied. Total rules applied 9 place count 552 transition count 521
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 18 place count 543 transition count 521
Partial Free-agglomeration rule applied 12 times.
Drop transitions (Partial Free agglomeration) removed 12 transitions
Iterating global reduction 1 with 12 rules applied. Total rules applied 30 place count 543 transition count 521
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 31 place count 542 transition count 520
Applied a total of 31 rules in 71 ms. Remains 542 /552 variables (removed 10) and now considering 520/530 (removed 10) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 72 ms. Remains : 542/552 places, 520/530 transitions.
SDD proceeding with computation,341 properties remain. new max is 131072
SDD size :1.05867e+09 after 3.43101e+09
RANDOM walk for 4000000 steps (512659 resets) in 80102 ms. (49 steps per ms) remains 341/341 properties
BEST_FIRST walk for 40000 steps (3315 resets) in 814 ms. (49 steps per ms) remains 341/341 properties
BEST_FIRST walk for 40001 steps (3376 resets) in 720 ms. (55 steps per ms) remains 341/341 properties
BEST_FIRST walk for 40002 steps (3358 resets) in 532 ms. (75 steps per ms) remains 341/341 properties
BEST_FIRST walk for 40002 steps (3426 resets) in 618 ms. (64 steps per ms) remains 341/341 properties
BEST_FIRST walk for 40001 steps (3439 resets) in 578 ms. (69 steps per ms) remains 341/341 properties
BEST_FIRST walk for 40001 steps (3330 resets) in 625 ms. (63 steps per ms) remains 341/341 properties
BEST_FIRST walk for 40002 steps (3399 resets) in 546 ms. (73 steps per ms) remains 341/341 properties
BEST_FIRST walk for 40000 steps (3375 resets) in 512 ms. (77 steps per ms) remains 341/341 properties
BEST_FIRST walk for 40002 steps (3402 resets) in 559 ms. (71 steps per ms) remains 341/341 properties
BEST_FIRST walk for 40001 steps (3341 resets) in 542 ms. (73 steps per ms) remains 341/341 properties
BEST_FIRST walk for 40001 steps (3393 resets) in 560 ms. (71 steps per ms) remains 341/341 properties
BEST_FIRST walk for 40001 steps (3431 resets) in 621 ms. (64 steps per ms) remains 341/341 properties
BEST_FIRST walk for 40000 steps (3389 resets) in 656 ms. (60 steps per ms) remains 341/341 properties
BEST_FIRST walk for 40000 steps (3376 resets) in 567 ms. (70 steps per ms) remains 341/341 properties
BEST_FIRST walk for 40001 steps (3360 resets) in 631 ms. (63 steps per ms) remains 341/341 properties
BEST_FIRST walk for 40001 steps (3376 resets) in 552 ms. (72 steps per ms) remains 341/341 properties
BEST_FIRST walk for 40000 steps (3407 resets) in 600 ms. (66 steps per ms) remains 341/341 properties
BEST_FIRST walk for 40003 steps (3445 resets) in 764 ms. (52 steps per ms) remains 341/341 properties
BEST_FIRST walk for 40002 steps (3449 resets) in 630 ms. (63 steps per ms) remains 341/341 properties
BEST_FIRST walk for 40000 steps (3365 resets) in 589 ms. (67 steps per ms) remains 341/341 properties
SDD proceeding with computation,341 properties remain. new max is 262144
SDD size :3.43101e+09 after 1.05513e+10
BEST_FIRST walk for 40001 steps (3386 resets) in 629 ms. (63 steps per ms) remains 341/341 properties
BEST_FIRST walk for 40001 steps (3377 resets) in 590 ms. (67 steps per ms) remains 341/341 properties
BEST_FIRST walk for 40000 steps (3407 resets) in 610 ms. (65 steps per ms) remains 341/341 properties
BEST_FIRST walk for 40001 steps (3364 resets) in 673 ms. (59 steps per ms) remains 341/341 properties
BEST_FIRST walk for 40002 steps (3389 resets) in 612 ms. (65 steps per ms) remains 341/341 properties
BEST_FIRST walk for 40002 steps (3394 resets) in 623 ms. (64 steps per ms) remains 341/341 properties
BEST_FIRST walk for 40001 steps (3429 resets) in 650 ms. (61 steps per ms) remains 341/341 properties
BEST_FIRST walk for 40001 steps (3374 resets) in 570 ms. (70 steps per ms) remains 341/341 properties
BEST_FIRST walk for 40001 steps (3392 resets) in 640 ms. (62 steps per ms) remains 341/341 properties
BEST_FIRST walk for 40001 steps (3402 resets) in 591 ms. (67 steps per ms) remains 341/341 properties
BEST_FIRST walk for 40003 steps (3413 resets) in 630 ms. (63 steps per ms) remains 341/341 properties
BEST_FIRST walk for 40002 steps (3386 resets) in 573 ms. (69 steps per ms) remains 341/341 properties
BEST_FIRST walk for 40001 steps (3415 resets) in 594 ms. (67 steps per ms) remains 341/341 properties
BEST_FIRST walk for 40003 steps (3371 resets) in 600 ms. (66 steps per ms) remains 341/341 properties
BEST_FIRST walk for 40001 steps (3380 resets) in 631 ms. (63 steps per ms) remains 341/341 properties
BEST_FIRST walk for 40002 steps (3394 resets) in 581 ms. (68 steps per ms) remains 341/341 properties
BEST_FIRST walk for 40002 steps (3378 resets) in 621 ms. (64 steps per ms) remains 341/341 properties
BEST_FIRST walk for 40001 steps (3367 resets) in 617 ms. (64 steps per ms) remains 341/341 properties
BEST_FIRST walk for 40001 steps (3407 resets) in 575 ms. (69 steps per ms) remains 341/341 properties
BEST_FIRST walk for 40004 steps (3381 resets) in 628 ms. (63 steps per ms) remains 341/341 properties
BEST_FIRST walk for 40001 steps (3401 resets) in 547 ms. (72 steps per ms) remains 341/341 properties
BEST_FIRST walk for 40002 steps (3365 resets) in 536 ms. (74 steps per ms) remains 341/341 properties
BEST_FIRST walk for 40002 steps (3340 resets) in 561 ms. (71 steps per ms) remains 341/341 properties
BEST_FIRST walk for 40001 steps (3411 resets) in 611 ms. (65 steps per ms) remains 341/341 properties
BEST_FIRST walk for 40000 steps (3419 resets) in 563 ms. (70 steps per ms) remains 341/341 properties
BEST_FIRST walk for 40003 steps (3410 resets) in 656 ms. (60 steps per ms) remains 341/341 properties
BEST_FIRST walk for 40000 steps (3359 resets) in 576 ms. (69 steps per ms) remains 341/341 properties
BEST_FIRST walk for 40002 steps (3360 resets) in 556 ms. (71 steps per ms) remains 341/341 properties
BEST_FIRST walk for 40000 steps (3379 resets) in 646 ms. (61 steps per ms) remains 341/341 properties
BEST_FIRST walk for 40002 steps (3354 resets) in 580 ms. (68 steps per ms) remains 341/341 properties
Reachability property qltransition_386 is true.
Reachability property qltransition_269 is true.
Reachability property qltransition_268 is true.
Reachability property qltransition_27 is true.
Reachability property qltransition_20 is true.
Reachability property qltransition_19 is true.
Reachability property qltransition_16 is true.
SDD proceeding with computation,334 properties remain. new max is 262144
SDD size :1.05513e+10 after 2.33079e+10
SDD proceeding with computation,334 properties remain. new max is 524288
SDD size :2.33079e+10 after 3.54481e+10
SDD proceeding with computation,334 properties remain. new max is 1048576
SDD size :3.54481e+10 after 6.05547e+10
Interrupted probabilistic random walk after 3929499 steps, run timeout after 93001 ms. (steps per millisecond=42 ) properties seen :0 out of 341
Probabilistic random walk after 3929499 steps, saw 1964706 distinct states, run finished after 93005 ms. (steps per millisecond=42 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-271770177681249653.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7530605088963938257.kers'
[2026-05-24 08:21:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-271770177681249653.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7530605088963938257.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 520 rows 540 cols 2099 entries
Finished phase 1 with 307 SingleSign rule and 136 generalized
[2026-05-24 08:21:44] [INFO ] Computed 99 invariants in 6 ms
Computed 99 P flows in 7 ms.
Exported basis to /tmp/petrispot-output-7530605088963938257.kers
Total runtime 8 ms.
[2026-05-24 08:21:44] [INFO ] State equation strengthened by 44 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/451 variables, 49/49 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/451 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 2 (OVERLAPS) 30/481 variables, 34/83 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/481 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 4 (OVERLAPS) 33/514 variables, 9/92 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/514 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 6 (OVERLAPS) 16/530 variables, 4/96 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/530 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 8 (OVERLAPS) 2/532 variables, 1/97 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/532 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 10 (OVERLAPS) 519/1051 variables, 532/629 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1051 variables, 44/673 constraints. Problems are: Problem set: 0 solved, 334 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1051/1062 variables, and 673 constraints, problems are : Problem set: 0 solved, 334 unsolved in 45019 ms.
Refiners :[Positive P Invariants (semi-flows): 0/2 constraints, Generalized P Invariants (flows): 97/97 constraints, State Equation: 532/542 constraints, ReadFeed: 44/44 constraints, PredecessorRefiner: 334/334 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 334 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/451 variables, 49/49 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/451 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 2 (OVERLAPS) 30/481 variables, 34/83 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/481 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 4 (OVERLAPS) 33/514 variables, 9/92 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/514 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 6 (OVERLAPS) 16/530 variables, 4/96 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/530 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 8 (OVERLAPS) 2/532 variables, 1/97 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/532 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 10 (OVERLAPS) 519/1051 variables, 532/629 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1051 variables, 44/673 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1051 variables, 330/1003 constraints. Problems are: Problem set: 0 solved, 334 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1051/1062 variables, and 1003 constraints, problems are : Problem set: 0 solved, 334 unsolved in 45034 ms.
Refiners :[Positive P Invariants (semi-flows): 0/2 constraints, Generalized P Invariants (flows): 97/97 constraints, State Equation: 532/542 constraints, ReadFeed: 44/44 constraints, PredecessorRefiner: 330/334 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 90116ms problems are : Problem set: 0 solved, 334 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 451 out of 542 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 542/542 places, 520/520 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 542 transition count 519
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 541 transition count 519
Partial Free-agglomeration rule applied 4 times.
Drop transitions (Partial Free agglomeration) removed 4 transitions
Iterating global reduction 1 with 4 rules applied. Total rules applied 6 place count 541 transition count 519
Applied a total of 6 rules in 42 ms. Remains 541 /542 variables (removed 1) and now considering 519/520 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42 ms. Remains : 541/542 places, 519/520 transitions.
RANDOM walk for 4000000 steps (512687 resets) in 75818 ms. (52 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40000 steps (3371 resets) in 555 ms. (71 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3407 resets) in 574 ms. (69 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3398 resets) in 534 ms. (74 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3401 resets) in 601 ms. (66 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3361 resets) in 552 ms. (72 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40000 steps (3366 resets) in 623 ms. (64 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40002 steps (3360 resets) in 557 ms. (71 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3360 resets) in 558 ms. (71 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40000 steps (3380 resets) in 609 ms. (65 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3385 resets) in 536 ms. (74 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40000 steps (3383 resets) in 540 ms. (73 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40002 steps (3372 resets) in 566 ms. (70 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3377 resets) in 606 ms. (65 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40003 steps (3355 resets) in 513 ms. (77 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40002 steps (3427 resets) in 507 ms. (78 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40002 steps (3444 resets) in 614 ms. (65 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40003 steps (3417 resets) in 568 ms. (70 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40000 steps (3380 resets) in 594 ms. (67 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40003 steps (3363 resets) in 546 ms. (73 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40004 steps (3378 resets) in 515 ms. (77 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40002 steps (3376 resets) in 599 ms. (66 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3377 resets) in 514 ms. (77 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40002 steps (3373 resets) in 607 ms. (65 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40003 steps (3391 resets) in 614 ms. (65 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40000 steps (3379 resets) in 552 ms. (72 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40002 steps (3404 resets) in 621 ms. (64 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3405 resets) in 535 ms. (74 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3426 resets) in 502 ms. (79 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3358 resets) in 551 ms. (72 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40002 steps (3382 resets) in 590 ms. (67 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3350 resets) in 531 ms. (75 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40003 steps (3361 resets) in 613 ms. (65 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40002 steps (3389 resets) in 502 ms. (79 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40002 steps (3426 resets) in 506 ms. (78 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40002 steps (3445 resets) in 580 ms. (68 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3355 resets) in 623 ms. (64 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3311 resets) in 624 ms. (64 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40000 steps (3339 resets) in 613 ms. (65 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40000 steps (3317 resets) in 519 ms. (76 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40002 steps (3369 resets) in 562 ms. (71 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40002 steps (3378 resets) in 605 ms. (66 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3390 resets) in 510 ms. (78 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3415 resets) in 581 ms. (68 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3332 resets) in 525 ms. (76 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40000 steps (3386 resets) in 494 ms. (80 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3384 resets) in 544 ms. (73 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40002 steps (3427 resets) in 617 ms. (64 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40002 steps (3339 resets) in 572 ms. (69 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40002 steps (3432 resets) in 567 ms. (70 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40000 steps (3363 resets) in 522 ms. (76 steps per ms) remains 334/334 properties
SDD proceeding with computation,334 properties remain. new max is 2097152
SDD size :6.05547e+10 after 1.09475e+11
Interrupted probabilistic random walk after 3791884 steps, run timeout after 87001 ms. (steps per millisecond=43 ) properties seen :0 out of 334
Probabilistic random walk after 3791884 steps, saw 1895941 distinct states, run finished after 87001 ms. (steps per millisecond=43 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4007914595286861439.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8449168594944884387.kers'
[2026-05-24 08:25:11] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4007914595286861439.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8449168594944884387.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 519 rows 539 cols 2108 entries
Finished phase 1 with 307 SingleSign rule and 135 generalized
[2026-05-24 08:25:11] [INFO ] Computed 99 invariants in 6 ms
Computed 99 P flows in 6 ms.
Exported basis to /tmp/petrispot-output-8449168594944884387.kers
Total runtime 7 ms.
[2026-05-24 08:25:11] [INFO ] State equation strengthened by 46 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/451 variables, 49/49 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/451 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 2 (OVERLAPS) 29/480 variables, 34/83 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/480 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 4 (OVERLAPS) 33/513 variables, 9/92 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/513 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 6 (OVERLAPS) 16/529 variables, 4/96 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/529 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 8 (OVERLAPS) 2/531 variables, 1/97 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/531 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 10 (OVERLAPS) 518/1049 variables, 531/628 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1049 variables, 46/674 constraints. Problems are: Problem set: 0 solved, 334 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/1049 variables, 0/674 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 13 (OVERLAPS) 10/1059 variables, 9/683 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1059 variables, 2/685 constraints. Problems are: Problem set: 0 solved, 334 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1059/1060 variables, and 685 constraints, problems are : Problem set: 0 solved, 334 unsolved in 75024 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 97/97 constraints, State Equation: 540/541 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 334/334 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 334 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/451 variables, 49/49 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/451 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 2 (OVERLAPS) 29/480 variables, 34/83 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/480 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 4 (OVERLAPS) 33/513 variables, 9/92 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/513 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 6 (OVERLAPS) 16/529 variables, 4/96 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/529 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 8 (OVERLAPS) 2/531 variables, 1/97 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/531 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 10 (OVERLAPS) 518/1049 variables, 531/628 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1049 variables, 46/674 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1049 variables, 330/1004 constraints. Problems are: Problem set: 0 solved, 334 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1049/1060 variables, and 1004 constraints, problems are : Problem set: 0 solved, 334 unsolved in 75023 ms.
Refiners :[Positive P Invariants (semi-flows): 0/2 constraints, Generalized P Invariants (flows): 97/97 constraints, State Equation: 531/541 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 330/334 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 150105ms problems are : Problem set: 0 solved, 334 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 451 out of 541 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 541/541 places, 519/519 transitions.
Applied a total of 0 rules in 12 ms. Remains 541 /541 variables (removed 0) and now considering 519/519 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 541/541 places, 519/519 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 541/541 places, 519/519 transitions.
Applied a total of 0 rules in 12 ms. Remains 541 /541 variables (removed 0) and now considering 519/519 (removed 0) transitions.
[2026-05-24 08:27:41] [INFO ] Invariant cache hit.
[2026-05-24 08:27:41] [INFO ] Implicit Places using invariants in 126 ms returned []
[2026-05-24 08:27:41] [INFO ] Invariant cache hit.
[2026-05-24 08:27:41] [INFO ] State equation strengthened by 46 read => feed constraints.
[2026-05-24 08:27:44] [INFO ] Implicit Places using invariants and state equation in 3147 ms returned [47, 53, 170, 240, 442, 512]
[2026-05-24 08:27:44] [INFO ] Actually due to overlaps returned [240, 170]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 3278 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 539/541 places, 519/519 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 539 transition count 518
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 538 transition count 518
Applied a total of 2 rules in 27 ms. Remains 538 /539 variables (removed 1) and now considering 518/519 (removed 1) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17220130376972462454.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3316202386910056295.kers'
[2026-05-24 08:27:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17220130376972462454.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3316202386910056295.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 518 rows 536 cols 2086 entries
Finished phase 1 with 310 SingleSign rule and 131 generalized
[2026-05-24 08:27:44] [INFO ] Computed 97 invariants in 6 ms
Computed 97 P flows in 7 ms.
Exported basis to /tmp/petrispot-output-3316202386910056295.kers
Total runtime 8 ms.
[2026-05-24 08:27:44] [INFO ] Implicit Places using invariants in 149 ms returned []
[2026-05-24 08:27:44] [INFO ] Invariant cache hit.
[2026-05-24 08:27:45] [INFO ] State equation strengthened by 46 read => feed constraints.
[2026-05-24 08:27:45] [INFO ] Implicit Places using invariants and state equation in 816 ms returned [47, 53, 439, 509]
[2026-05-24 08:27:45] [INFO ] Actually due to overlaps returned [509, 439]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 969 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 536/541 places, 518/519 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 536 transition count 517
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 535 transition count 517
Applied a total of 2 rules in 34 ms. Remains 535 /536 variables (removed 1) and now considering 517/518 (removed 1) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8160487663398300643.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18327491409302197883.kers'
[2026-05-24 08:27:45] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8160487663398300643.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18327491409302197883.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 1 ms.
// Phase 1: matrix 517 rows 533 cols 2072 entries
Finished phase 1 with 313 SingleSign rule and 127 generalized
[2026-05-24 08:27:45] [INFO ] Computed 95 invariants in 12 ms
Computed 95 P flows in 12 ms.
Exported basis to /tmp/petrispot-output-18327491409302197883.kers
Total runtime 14 ms.
[2026-05-24 08:27:45] [INFO ] Implicit Places using invariants in 162 ms returned []
[2026-05-24 08:27:45] [INFO ] Invariant cache hit.
[2026-05-24 08:27:46] [INFO ] State equation strengthened by 46 read => feed constraints.
[2026-05-24 08:27:46] [INFO ] Implicit Places using invariants and state equation in 1134 ms returned [47, 53]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 1300 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 3 : 533/541 places, 517/519 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 533 transition count 516
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 532 transition count 516
Applied a total of 2 rules in 22 ms. Remains 532 /533 variables (removed 1) and now considering 516/517 (removed 1) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10178237584453585315.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14989793302660534398.kers'
[2026-05-24 08:27:46] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10178237584453585315.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14989793302660534398.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 516 rows 530 cols 2064 entries
Finished phase 1 with 313 SingleSign rule and 126 generalized
[2026-05-24 08:27:46] [INFO ] Computed 93 invariants in 6 ms
Computed 93 P flows in 6 ms.
Exported basis to /tmp/petrispot-output-14989793302660534398.kers
Total runtime 7 ms.
[2026-05-24 08:27:47] [INFO ] Implicit Places using invariants in 122 ms returned []
[2026-05-24 08:27:47] [INFO ] Invariant cache hit.
[2026-05-24 08:27:47] [INFO ] State equation strengthened by 46 read => feed constraints.
[2026-05-24 08:27:53] [INFO ] Implicit Places using invariants and state equation in 6199 ms returned []
Implicit Place search using SMT with State Equation took 6322 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 4 : 532/541 places, 516/519 transitions.
Finished structural reductions in REACHABILITY mode , in 4 iterations and 11965 ms. Remains : 532/541 places, 516/519 transitions.
RANDOM walk for 4000000 steps (576852 resets) in 76371 ms. (52 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3622 resets) in 503 ms. (79 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3652 resets) in 493 ms. (80 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3608 resets) in 507 ms. (78 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40002 steps (3631 resets) in 564 ms. (70 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40000 steps (3628 resets) in 537 ms. (74 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3642 resets) in 570 ms. (70 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40002 steps (3658 resets) in 472 ms. (84 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3628 resets) in 578 ms. (69 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40002 steps (3624 resets) in 509 ms. (78 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40002 steps (3656 resets) in 477 ms. (83 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40002 steps (3696 resets) in 500 ms. (79 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3611 resets) in 597 ms. (66 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40002 steps (3674 resets) in 541 ms. (73 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40002 steps (3632 resets) in 495 ms. (80 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40000 steps (3634 resets) in 483 ms. (82 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40000 steps (3631 resets) in 525 ms. (76 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40003 steps (3637 resets) in 581 ms. (68 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40003 steps (3673 resets) in 509 ms. (78 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40002 steps (3636 resets) in 589 ms. (67 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3697 resets) in 566 ms. (70 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3676 resets) in 518 ms. (77 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40004 steps (3659 resets) in 579 ms. (68 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3646 resets) in 570 ms. (70 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40000 steps (3621 resets) in 513 ms. (77 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40002 steps (3663 resets) in 557 ms. (71 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40004 steps (3628 resets) in 564 ms. (70 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40002 steps (3633 resets) in 508 ms. (78 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40003 steps (3651 resets) in 594 ms. (67 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3613 resets) in 582 ms. (68 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3593 resets) in 537 ms. (74 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3653 resets) in 605 ms. (66 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40003 steps (3676 resets) in 502 ms. (79 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40000 steps (3648 resets) in 595 ms. (67 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3704 resets) in 480 ms. (83 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40003 steps (3688 resets) in 588 ms. (67 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40003 steps (3681 resets) in 554 ms. (72 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3628 resets) in 505 ms. (79 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3665 resets) in 579 ms. (68 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40003 steps (3664 resets) in 522 ms. (76 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40003 steps (3657 resets) in 529 ms. (75 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40000 steps (3560 resets) in 550 ms. (72 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3678 resets) in 539 ms. (74 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40002 steps (3591 resets) in 502 ms. (79 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40000 steps (3588 resets) in 594 ms. (67 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40003 steps (3695 resets) in 500 ms. (79 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40002 steps (3631 resets) in 553 ms. (72 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3626 resets) in 511 ms. (78 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40002 steps (3639 resets) in 511 ms. (78 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40003 steps (3591 resets) in 582 ms. (68 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40002 steps (3668 resets) in 584 ms. (68 steps per ms) remains 334/334 properties
SDD proceeding with computation,334 properties remain. new max is 4194304
SDD size :1.09475e+11 after 2.1019e+11
Probably explored full state space saw : 539301 states, properties seen :0
Probabilistic random walk after 1078629 steps, saw 539301 distinct states, run finished after 23696 ms. (steps per millisecond=45 ) properties seen :0
Detected timeout of ITS tools.
[2026-05-24 08:29:26] [INFO ] Flatten gal took : 34 ms
[2026-05-24 08:29:26] [INFO ] Applying decomposition
[2026-05-24 08:29:26] [INFO ] Flatten gal took : 74 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph13192479563447918926.txt' '-o' '/tmp/graph13192479563447918926.bin' '-w' '/tmp/graph13192479563447918926.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph13192479563447918926.bin' '-l' '-1' '-v' '-w' '/tmp/graph13192479563447918926.weights' '-q' '0' '-e' '0.001'
[2026-05-24 08:29:26] [INFO ] Decomposing Gal with order
[2026-05-24 08:29:26] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 08:29:27] [INFO ] Removed a total of 417 redundant transitions.
[2026-05-24 08:29:27] [INFO ] Flatten gal took : 129 ms
[2026-05-24 08:29:27] [INFO ] Fuse similar labels procedure discarded/fused a total of 26 labels/synchronizations in 26 ms.
[2026-05-24 08:29:27] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10998449110838108418.gal : 13 ms
[2026-05-24 08:29:27] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5303112533063433155.prop : 3 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality10998449110838108418.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5303112533063433155.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality5303112533063433155.prop.
SDD proceeding with computation,334 properties remain. new max is 4
SDD size :1 after 72
SDD proceeding with computation,334 properties remain. new max is 8
SDD size :72 after 1769
SDD proceeding with computation,334 properties remain. new max is 16
SDD size :1769 after 1776
SDD proceeding with computation,334 properties remain. new max is 32
SDD size :1776 after 1790
SDD proceeding with computation,334 properties remain. new max is 64
SDD size :1790 after 2212
SDD proceeding with computation,334 properties remain. new max is 128
SDD size :2212 after 1.15377e+06
Interrupted probabilistic random walk after 3839275 steps, run timeout after 87001 ms. (steps per millisecond=44 ) properties seen :0 out of 334
Exhaustive walk after 3839275 steps, saw 1919702 distinct states, run finished after 87001 ms. (steps per millisecond=44 ) properties seen :0
[2026-05-24 08:30:13] [INFO ] Invariant cache hit.
[2026-05-24 08:30:13] [INFO ] State equation strengthened by 46 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/451 variables, 49/49 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/451 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 2 (OVERLAPS) 43/494 variables, 34/83 constraints. Problems are: Problem set: 0 solved, 334 unsolved
SDD proceeding with computation,334 properties remain. new max is 256
SDD size :1.15377e+06 after 1.3758e+06
At refinement iteration 3 (INCLUDED_ONLY) 0/494 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 4 (OVERLAPS) 26/520 variables, 7/90 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/520 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 6 (OVERLAPS) 2/522 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/522 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 8 (OVERLAPS) 515/1037 variables, 522/613 constraints. Problems are: Problem set: 0 solved, 334 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/1037 variables, 46/659 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1037 variables, 0/659 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 11 (OVERLAPS) 10/1047 variables, 9/668 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1047 variables, 2/670 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1047 variables, 0/670 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 14 (OVERLAPS) 1/1048 variables, 1/671 constraints. Problems are: Problem set: 0 solved, 334 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1048/1048 variables, and 671 constraints, problems are : Problem set: 0 solved, 334 unsolved in 90021 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 91/91 constraints, State Equation: 532/532 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 334/334 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 334 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/451 variables, 49/49 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/451 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 2 (OVERLAPS) 43/494 variables, 34/83 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/494 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 4 (OVERLAPS) 26/520 variables, 7/90 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/520 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 6 (OVERLAPS) 2/522 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/522 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 8 (OVERLAPS) 515/1037 variables, 522/613 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1037 variables, 46/659 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1037 variables, 330/989 constraints. Problems are: Problem set: 0 solved, 334 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1037/1048 variables, and 989 constraints, problems are : Problem set: 0 solved, 334 unsolved in 90035 ms.
Refiners :[Positive P Invariants (semi-flows): 0/2 constraints, Generalized P Invariants (flows): 91/91 constraints, State Equation: 522/532 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 330/334 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 180086ms problems are : Problem set: 0 solved, 334 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 451 out of 532 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 532/532 places, 516/516 transitions.
Applied a total of 0 rules in 9 ms. Remains 532 /532 variables (removed 0) and now considering 516/516 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 532/532 places, 516/516 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 532/532 places, 516/516 transitions.
Applied a total of 0 rules in 15 ms. Remains 532 /532 variables (removed 0) and now considering 516/516 (removed 0) transitions.
[2026-05-24 08:33:13] [INFO ] Invariant cache hit.
[2026-05-24 08:33:13] [INFO ] Implicit Places using invariants in 128 ms returned []
[2026-05-24 08:33:13] [INFO ] Invariant cache hit.
[2026-05-24 08:33:13] [INFO ] State equation strengthened by 46 read => feed constraints.
[2026-05-24 08:33:19] [INFO ] Implicit Places using invariants and state equation in 6166 ms returned []
Implicit Place search using SMT with State Equation took 6297 ms to find 0 implicit places.
[2026-05-24 08:33:19] [INFO ] Redundant transitions in 27 ms returned []
Running 515 sub problems to find dead transitions.
[2026-05-24 08:33:19] [INFO ] Invariant cache hit.
[2026-05-24 08:33:19] [INFO ] State equation strengthened by 46 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/531 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 515 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/531 variables, 91/93 constraints. Problems are: Problem set: 0 solved, 515 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/531 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 515 unsolved
At refinement iteration 3 (OVERLAPS) 516/1047 variables, 531/624 constraints. Problems are: Problem set: 0 solved, 515 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1047 variables, 46/670 constraints. Problems are: Problem set: 0 solved, 515 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1047/1048 variables, and 670 constraints, problems are : Problem set: 0 solved, 515 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 91/91 constraints, State Equation: 531/532 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 515/515 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 515 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/531 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 515 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/531 variables, 91/93 constraints. Problems are: Problem set: 0 solved, 515 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/531 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 515 unsolved
At refinement iteration 3 (OVERLAPS) 516/1047 variables, 531/624 constraints. Problems are: Problem set: 0 solved, 515 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1047 variables, 46/670 constraints. Problems are: Problem set: 0 solved, 515 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1047 variables, 515/1185 constraints. Problems are: Problem set: 0 solved, 515 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1047/1048 variables, and 1185 constraints, problems are : Problem set: 0 solved, 515 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 91/91 constraints, State Equation: 531/532 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 515/515 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60131ms problems are : Problem set: 0 solved, 515 unsolved
Search for dead transitions found 0 dead transitions in 60133ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66657 ms. Remains : 532/532 places, 516/516 transitions.
RANDOM walk for 400000 steps (57755 resets) in 9976 ms. (40 steps per ms) remains 451/451 properties
Running SMT prover for 451 properties.
[2026-05-24 08:34:22] [INFO ] Invariant cache hit.
[2026-05-24 08:34:22] [INFO ] [Real]Absence check using 2 positive place invariants in 0 ms returned sat
[2026-05-24 08:34:22] [INFO ] [Real]Absence check using 2 positive and 91 generalized place invariants in 47 ms returned sat
[2026-05-24 08:34:26] [INFO ] After 3304ms SMT Verify possible using state equation in real domain returned unsat :0 sat :451
[2026-05-24 08:34:26] [INFO ] State equation strengthened by 46 read => feed constraints.
[2026-05-24 08:34:34] [INFO ] After 8209ms SMT Verify possible using 46 Read/Feed constraints in real domain returned unsat :0 sat :451
TRAPS : Iteration 0
[2026-05-24 08:34:57] [INFO ] After 31129ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:451
[2026-05-24 08:34:57] [INFO ] After 34763ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:451
[2026-05-24 08:34:57] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-24 08:34:57] [INFO ] [Nat]Absence check using 2 positive and 91 generalized place invariants in 42 ms returned sat
[2026-05-24 08:35:01] [INFO ] After 3628ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :451
[2026-05-24 08:35:29] [INFO ] After 27984ms SMT Verify possible using 46 Read/Feed constraints in natural domain returned unsat :0 sat :451
TRAPS : Iteration 0
[2026-05-24 08:35:31] [INFO ] Trap strengthening (SAT) tested/added 7/6 trap constraints in 2221 ms
[2026-05-24 08:35:31] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 195 ms
[2026-05-24 08:35:33] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 170 ms
[2026-05-24 08:35:58] [INFO ] Trap strengthening (SAT) tested/added 52/51 trap constraints in 23747 ms
[2026-05-24 08:35:58] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 176 ms
[2026-05-24 08:35:59] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 172 ms
[2026-05-24 08:36:00] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 185 ms
[2026-05-24 08:36:03] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 177 ms
[2026-05-24 08:36:06] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 207 ms
[2026-05-24 08:36:07] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 195 ms
[2026-05-24 08:36:08] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 142 ms
[2026-05-24 08:36:09] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 153 ms
[2026-05-24 08:36:11] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 147 ms
[2026-05-24 08:36:12] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 240 ms
[2026-05-24 08:36:19] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 988 ms
[2026-05-24 08:36:21] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 187 ms
[2026-05-24 08:36:22] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 144 ms
[2026-05-24 08:36:23] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 209 ms
TRAPS : Iteration 1
[2026-05-24 08:36:55] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 141 ms
[2026-05-24 08:36:56] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 133 ms
[2026-05-24 08:36:57] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 133 ms
TRAPS : Iteration 2
[2026-05-24 08:37:35] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 177 ms
[2026-05-24 08:37:40] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 174 ms
[2026-05-24 08:37:42] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 179 ms
[2026-05-24 08:37:55] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 176 ms
TRAPS : Iteration 3
[2026-05-24 08:38:17] [INFO ] After 196064ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :450
[2026-05-24 08:38:17] [INFO ] After 200021ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :450
RANDOM walk for 4000000 steps (576677 resets) in 81212 ms. (49 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3719 resets) in 593 ms. (67 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40002 steps (3659 resets) in 575 ms. (69 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40003 steps (3663 resets) in 582 ms. (68 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40002 steps (3660 resets) in 581 ms. (68 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40002 steps (3607 resets) in 549 ms. (72 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3669 resets) in 564 ms. (70 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40003 steps (3630 resets) in 582 ms. (68 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40002 steps (3677 resets) in 532 ms. (75 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40000 steps (3622 resets) in 585 ms. (68 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40000 steps (3649 resets) in 508 ms. (78 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3663 resets) in 606 ms. (65 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40002 steps (3607 resets) in 571 ms. (69 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40003 steps (3645 resets) in 594 ms. (67 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40002 steps (3734 resets) in 509 ms. (78 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3629 resets) in 614 ms. (65 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3684 resets) in 558 ms. (71 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3691 resets) in 630 ms. (63 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3676 resets) in 630 ms. (63 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40002 steps (3635 resets) in 510 ms. (78 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3673 resets) in 531 ms. (75 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3675 resets) in 567 ms. (70 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3715 resets) in 612 ms. (65 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40003 steps (3650 resets) in 558 ms. (71 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3646 resets) in 553 ms. (72 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40002 steps (3658 resets) in 605 ms. (66 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40002 steps (3699 resets) in 599 ms. (66 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40002 steps (3664 resets) in 558 ms. (71 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3577 resets) in 531 ms. (75 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40002 steps (3699 resets) in 608 ms. (65 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40003 steps (3674 resets) in 581 ms. (68 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3713 resets) in 614 ms. (65 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3704 resets) in 554 ms. (72 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3634 resets) in 630 ms. (63 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3626 resets) in 512 ms. (77 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40000 steps (3615 resets) in 639 ms. (62 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40004 steps (3657 resets) in 586 ms. (68 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3663 resets) in 521 ms. (76 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40004 steps (3607 resets) in 507 ms. (78 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3610 resets) in 528 ms. (75 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3680 resets) in 476 ms. (83 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40002 steps (3691 resets) in 531 ms. (75 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40002 steps (3629 resets) in 595 ms. (67 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40002 steps (3687 resets) in 520 ms. (76 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40000 steps (3690 resets) in 643 ms. (62 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40004 steps (3657 resets) in 556 ms. (71 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3708 resets) in 610 ms. (65 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40002 steps (3715 resets) in 532 ms. (75 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40002 steps (3625 resets) in 587 ms. (68 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40001 steps (3651 resets) in 531 ms. (75 steps per ms) remains 334/334 properties
BEST_FIRST walk for 40003 steps (3574 resets) in 524 ms. (76 steps per ms) remains 334/334 properties
Probably explored full state space saw : 539301 states, properties seen :0
Probabilistic random walk after 1078629 steps, saw 539301 distinct states, run finished after 22721 ms. (steps per millisecond=47 ) properties seen :0
Detected timeout of ITS tools.
Interrupted probabilistic random walk after 4133508 steps, run timeout after 93001 ms. (steps per millisecond=44 ) properties seen :0 out of 334
Exhaustive walk after 4133508 steps, saw 2066826 distinct states, run finished after 93001 ms. (steps per millisecond=44 ) properties seen :0
[2026-05-24 08:40:44] [INFO ] Invariant cache hit.
[2026-05-24 08:40:44] [INFO ] State equation strengthened by 46 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/451 variables, 49/49 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/451 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 2 (OVERLAPS) 43/494 variables, 34/83 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/494 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 4 (OVERLAPS) 26/520 variables, 7/90 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/520 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 6 (OVERLAPS) 2/522 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/522 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 8 (OVERLAPS) 515/1037 variables, 522/613 constraints. Problems are: Problem set: 0 solved, 334 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/1037 variables, 46/659 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1037 variables, 0/659 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 11 (OVERLAPS) 10/1047 variables, 9/668 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1047 variables, 2/670 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1047 variables, 0/670 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 14 (OVERLAPS) 1/1048 variables, 1/671 constraints. Problems are: Problem set: 0 solved, 334 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1048/1048 variables, and 671 constraints, problems are : Problem set: 0 solved, 334 unsolved in 105027 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 91/91 constraints, State Equation: 532/532 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 334/334 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 334 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/451 variables, 49/49 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/451 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 2 (OVERLAPS) 43/494 variables, 34/83 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/494 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 4 (OVERLAPS) 26/520 variables, 7/90 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/520 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 6 (OVERLAPS) 2/522 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/522 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 8 (OVERLAPS) 515/1037 variables, 522/613 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1037 variables, 46/659 constraints. Problems are: Problem set: 0 solved, 334 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1037 variables, 330/989 constraints. Problems are: Problem set: 0 solved, 334 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1037/1048 variables, and 989 constraints, problems are : Problem set: 0 solved, 334 unsolved in 105022 ms.
Refiners :[Positive P Invariants (semi-flows): 0/2 constraints, Generalized P Invariants (flows): 91/91 constraints, State Equation: 522/532 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 330/334 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 210079ms problems are : Problem set: 0 solved, 334 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 451 out of 532 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 532/532 places, 516/516 transitions.
Applied a total of 0 rules in 9 ms. Remains 532 /532 variables (removed 0) and now considering 516/516 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 532/532 places, 516/516 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 532/532 places, 516/516 transitions.
Applied a total of 0 rules in 9 ms. Remains 532 /532 variables (removed 0) and now considering 516/516 (removed 0) transitions.
[2026-05-24 08:44:14] [INFO ] Invariant cache hit.
[2026-05-24 08:44:14] [INFO ] Implicit Places using invariants in 122 ms returned []
[2026-05-24 08:44:14] [INFO ] Invariant cache hit.
[2026-05-24 08:44:15] [INFO ] State equation strengthened by 46 read => feed constraints.
[2026-05-24 08:44:21] [INFO ] Implicit Places using invariants and state equation in 6258 ms returned []
Implicit Place search using SMT with State Equation took 6381 ms to find 0 implicit places.
[2026-05-24 08:44:21] [INFO ] Redundant transitions in 6 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6405 ms. Remains : 532/532 places, 516/516 transitions.
RANDOM walk for 400000 steps (57658 resets) in 7029 ms. (56 steps per ms) remains 451/451 properties
Running SMT prover for 451 properties.
[2026-05-24 08:44:23] [INFO ] Invariant cache hit.
[2026-05-24 08:44:23] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-24 08:44:23] [INFO ] [Real]Absence check using 2 positive and 91 generalized place invariants in 42 ms returned sat
[2026-05-24 08:44:26] [INFO ] After 3322ms SMT Verify possible using state equation in real domain returned unsat :0 sat :451
[2026-05-24 08:44:26] [INFO ] State equation strengthened by 46 read => feed constraints.
[2026-05-24 08:44:34] [INFO ] After 8083ms SMT Verify possible using 46 Read/Feed constraints in real domain returned unsat :0 sat :451
TRAPS : Iteration 0
[2026-05-24 08:44:57] [INFO ] After 30837ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:451
[2026-05-24 08:44:57] [INFO ] After 34474ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:451
[2026-05-24 08:44:57] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-24 08:44:57] [INFO ] [Nat]Absence check using 2 positive and 91 generalized place invariants in 41 ms returned sat
[2026-05-24 08:45:01] [INFO ] After 3544ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :451
[2026-05-24 08:45:29] [INFO ] After 28072ms SMT Verify possible using 46 Read/Feed constraints in natural domain returned unsat :0 sat :451
TRAPS : Iteration 0
[2026-05-24 08:45:31] [INFO ] Trap strengthening (SAT) tested/added 7/6 trap constraints in 2155 ms
[2026-05-24 08:45:31] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 179 ms
[2026-05-24 08:45:33] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 184 ms
[2026-05-24 08:45:58] [INFO ] Trap strengthening (SAT) tested/added 52/51 trap constraints in 24166 ms
[2026-05-24 08:45:58] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 178 ms
[2026-05-24 08:46:00] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 188 ms
[2026-05-24 08:46:01] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 183 ms
[2026-05-24 08:46:03] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 174 ms
[2026-05-24 08:46:07] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 201 ms
[2026-05-24 08:46:07] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 199 ms
[2026-05-24 08:46:08] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 142 ms
[2026-05-24 08:46:10] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 161 ms
[2026-05-24 08:46:11] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 153 ms
[2026-05-24 08:46:13] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 239 ms
[2026-05-24 08:46:19] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 992 ms
[2026-05-24 08:46:22] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 181 ms
[2026-05-24 08:46:22] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 133 ms
[2026-05-24 08:46:23] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 206 ms
TRAPS : Iteration 1
[2026-05-24 08:46:55] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 142 ms
[2026-05-24 08:46:56] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 134 ms
[2026-05-24 08:46:57] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 134 ms
TRAPS : Iteration 2
[2026-05-24 08:47:35] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 183 ms
[2026-05-24 08:47:40] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 179 ms
[2026-05-24 08:47:42] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 173 ms
[2026-05-24 08:47:55] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 176 ms
TRAPS : Iteration 3
[2026-05-24 08:48:17] [INFO ] After 196137ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :450
[2026-05-24 08:48:17] [INFO ] After 200007ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :450
RANDOM walk for 40000 steps (5819 resets) in 98 ms. (404 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (3704 resets) in 84 ms. (470 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 456094 steps, run timeout after 3001 ms. (steps per millisecond=151 ) properties seen :0 out of 1
Probabilistic random walk after 456094 steps, saw 228093 distinct states, run finished after 3001 ms. (steps per millisecond=151 ) properties seen :0
[2026-05-24 08:48:20] [INFO ] Invariant cache hit.
[2026-05-24 08:48:20] [INFO ] State equation strengthened by 46 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 357/358 variables, 30/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/358 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 114/472 variables, 55/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/472 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/478 variables, 4/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/478 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 506/984 variables, 478/567 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/984 variables, 44/611 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/984 variables, 0/611 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 57/1041 variables, 48/659 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1041 variables, 2/661 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1041 variables, 1/662 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1041 variables, 0/662 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 2/1043 variables, 2/664 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1043 variables, 2/666 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1043 variables, 0/666 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 5/1048 variables, 4/670 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1048 variables, 1/671 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1048 variables, 0/671 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1048 variables, 0/671 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1048/1048 variables, and 671 constraints, problems are : Problem set: 0 solved, 1 unsolved in 660 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 91/91 constraints, State Equation: 532/532 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 357/358 variables, 30/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/358 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 114/472 variables, 55/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/472 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/478 variables, 4/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/478 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 506/984 variables, 478/567 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/984 variables, 44/611 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/984 variables, 2/613 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/984 variables, 0/613 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 57/1041 variables, 48/661 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1041 variables, 2/663 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1041 variables, 1/664 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1041 variables, 1/665 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1041 variables, 0/665 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 2/1043 variables, 2/667 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1043 variables, 2/669 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1043 variables, 0/669 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1048/1048 variables, and 673 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1396 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 91/91 constraints, State Equation: 532/532 constraints, ReadFeed: 45/46 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 2064ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 48 ms.
Support contains 1 out of 532 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 532/532 places, 516/516 transitions.
Graph (complete) has 1684 edges and 532 vertex of which 531 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 531 transition count 515
Free-agglomeration rule (complex) applied 65 times.
Iterating global reduction 1 with 65 rules applied. Total rules applied 67 place count 531 transition count 450
Reduce places removed 65 places and 0 transitions.
Iterating post reduction 1 with 65 rules applied. Total rules applied 132 place count 466 transition count 450
Partial Free-agglomeration rule applied 66 times.
Drop transitions (Partial Free agglomeration) removed 66 transitions
Iterating global reduction 2 with 66 rules applied. Total rules applied 198 place count 466 transition count 450
Applied a total of 198 rules in 62 ms. Remains 466 /532 variables (removed 66) and now considering 450/516 (removed 66) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62 ms. Remains : 466/532 places, 450/516 transitions.
RANDOM walk for 40000 steps (5777 resets) in 133 ms. (298 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (3687 resets) in 53 ms. (740 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 482202 steps, run timeout after 3001 ms. (steps per millisecond=160 ) properties seen :0 out of 1
Probabilistic random walk after 482202 steps, saw 241148 distinct states, run finished after 3001 ms. (steps per millisecond=160 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5381082917438600481.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3854107075071355879.kers'
[2026-05-24 08:48:25] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5381082917438600481.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3854107075071355879.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 2 ms.
// Phase 1: matrix 450 rows 464 cols 3600 entries
Finished phase 1 with 256 SingleSign rule and 117 generalized
[2026-05-24 08:48:25] [INFO ] Computed 93 invariants in 11 ms
Computed 93 P flows in 11 ms.
Exported basis to /tmp/petrispot-output-3854107075071355879.kers
Total runtime 13 ms.
[2026-05-24 08:48:25] [INFO ] State equation strengthened by 78 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 365/366 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/366 variables, 6/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/366 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 91/457 variables, 54/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/457 variables, 3/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/457 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 4/461 variables, 2/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/461 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 450/911 variables, 461/561 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/911 variables, 78/639 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/911 variables, 0/639 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 5/916 variables, 5/644 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/916 variables, 2/646 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/916 variables, 0/646 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/916 variables, 0/646 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 916/916 variables, and 646 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2453 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 91/91 constraints, State Equation: 466/466 constraints, ReadFeed: 78/78 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 365/366 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/366 variables, 6/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/366 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 91/457 variables, 54/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/457 variables, 3/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/457 variables, 3/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/457 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 4/461 variables, 2/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/461 variables, 1/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/461 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 450/911 variables, 461/565 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/911 variables, 78/643 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/911 variables, 1/644 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/911 variables, 0/644 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 5/916 variables, 5/649 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/916 variables, 2/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/916 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/916 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 916/916 variables, and 651 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2248 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 91/91 constraints, State Equation: 466/466 constraints, ReadFeed: 78/78 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4730ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 46 ms.
Support contains 1 out of 466 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 466/466 places, 450/450 transitions.
Applied a total of 0 rules in 16 ms. Remains 466 /466 variables (removed 0) and now considering 450/450 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 466/466 places, 450/450 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 466/466 places, 450/450 transitions.
Applied a total of 0 rules in 16 ms. Remains 466 /466 variables (removed 0) and now considering 450/450 (removed 0) transitions.
[2026-05-24 08:48:30] [INFO ] Invariant cache hit.
[2026-05-24 08:48:39] [INFO ] Implicit Places using invariants in 8739 ms returned [66, 71, 93, 98, 118, 124, 145, 150, 170, 175, 196, 202, 221, 226, 249, 255, 277, 282, 302, 307, 328, 333, 354, 360, 381, 386, 406, 412, 434, 439, 458, 464]
[2026-05-24 08:48:39] [INFO ] Actually due to overlaps returned [71, 66]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 8742 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 464/466 places, 450/450 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 464 transition count 449
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 463 transition count 449
Applied a total of 2 rules in 28 ms. Remains 463 /464 variables (removed 1) and now considering 449/450 (removed 1) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13677118309352131765.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15225985923194243599.kers'
[2026-05-24 08:48:39] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13677118309352131765.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15225985923194243599.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 449 rows 461 cols 3516 entries
Finished phase 1 with 256 SingleSign rule and 116 generalized
[2026-05-24 08:48:39] [INFO ] Computed 91 invariants in 6 ms
Computed 91 P flows in 6 ms.
Exported basis to /tmp/petrispot-output-15225985923194243599.kers
Total runtime 8 ms.
[2026-05-24 08:48:46] [INFO ] Implicit Places using invariants in 7183 ms returned [90, 95, 115, 121, 142, 147, 167, 172, 193, 199, 218, 223, 246, 252, 274, 279, 299, 304, 325, 330, 351, 357, 378, 383, 403, 409, 431, 436, 455, 461]
[2026-05-24 08:48:46] [INFO ] Actually due to overlaps returned [95, 90]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 7186 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 461/466 places, 449/450 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 461 transition count 448
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 460 transition count 448
Applied a total of 2 rules in 24 ms. Remains 460 /461 variables (removed 1) and now considering 448/449 (removed 1) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-944789590835914448.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10321716287767936978.kers'
[2026-05-24 08:48:46] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-944789590835914448.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10321716287767936978.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 1 ms.
// Phase 1: matrix 448 rows 458 cols 3437 entries
Finished phase 1 with 256 SingleSign rule and 115 generalized
[2026-05-24 08:48:46] [INFO ] Computed 89 invariants in 13 ms
Computed 89 P flows in 13 ms.
Exported basis to /tmp/petrispot-output-10321716287767936978.kers
Total runtime 16 ms.
[2026-05-24 08:48:52] [INFO ] Implicit Places using invariants in 6293 ms returned [112, 118, 139, 144, 164, 169, 190, 196, 215, 220, 243, 249, 271, 276, 296, 301, 322, 327, 348, 354, 375, 380, 400, 406, 428, 433, 452, 458]
[2026-05-24 08:48:52] [INFO ] Actually due to overlaps returned [118, 112]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 6297 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 3 : 458/466 places, 448/450 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 458 transition count 447
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 457 transition count 447
Applied a total of 2 rules in 25 ms. Remains 457 /458 variables (removed 1) and now considering 447/448 (removed 1) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16683582349039839568.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3746065185973586309.kers'
[2026-05-24 08:48:52] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16683582349039839568.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3746065185973586309.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 447 rows 455 cols 3363 entries
Finished phase 1 with 256 SingleSign rule and 114 generalized
[2026-05-24 08:48:52] [INFO ] Computed 87 invariants in 5 ms
Computed 87 P flows in 6 ms.
Exported basis to /tmp/petrispot-output-3746065185973586309.kers
Total runtime 8 ms.
[2026-05-24 08:48:58] [INFO ] Implicit Places using invariants in 6030 ms returned [136, 141, 161, 166, 187, 193, 212, 217, 240, 246, 268, 273, 293, 298, 319, 324, 345, 351, 372, 377, 397, 403, 425, 430, 449, 455]
[2026-05-24 08:48:58] [INFO ] Actually due to overlaps returned [141, 136]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 6032 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 4 : 455/466 places, 447/450 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 455 transition count 446
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 454 transition count 446
Applied a total of 2 rules in 20 ms. Remains 454 /455 variables (removed 1) and now considering 446/447 (removed 1) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13072305128109541225.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13126460940903053868.kers'
[2026-05-24 08:48:59] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13072305128109541225.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13126460940903053868.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 446 rows 452 cols 3294 entries
Finished phase 1 with 256 SingleSign rule and 113 generalized
[2026-05-24 08:48:59] [INFO ] Computed 85 invariants in 5 ms
Computed 85 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-13126460940903053868.kers
Total runtime 8 ms.
[2026-05-24 08:49:04] [INFO ] Implicit Places using invariants in 5309 ms returned [158, 163, 184, 190, 209, 214, 237, 243, 265, 270, 290, 295, 316, 321, 342, 348, 369, 374, 394, 400, 422, 427, 446, 452]
[2026-05-24 08:49:04] [INFO ] Actually due to overlaps returned [163, 158]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 5315 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 5 : 452/466 places, 446/450 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 452 transition count 445
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 451 transition count 445
Applied a total of 2 rules in 19 ms. Remains 451 /452 variables (removed 1) and now considering 445/446 (removed 1) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9707257839163338583.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13320852381867246659.kers'
[2026-05-24 08:49:04] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9707257839163338583.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13320852381867246659.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 445 rows 449 cols 3230 entries
Finished phase 1 with 256 SingleSign rule and 112 generalized
[2026-05-24 08:49:04] [INFO ] Computed 83 invariants in 5 ms
Computed 83 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-13320852381867246659.kers
Total runtime 7 ms.
[2026-05-24 08:49:08] [INFO ] Implicit Places using invariants in 4158 ms returned [181, 187, 206, 211, 234, 240, 262, 267, 287, 292, 313, 318, 339, 345, 366, 371, 391, 397, 419, 424, 443, 449]
[2026-05-24 08:49:08] [INFO ] Actually due to overlaps returned [187, 181]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 4160 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 6 : 449/466 places, 445/450 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 449 transition count 444
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 448 transition count 444
Applied a total of 2 rules in 19 ms. Remains 448 /449 variables (removed 1) and now considering 444/445 (removed 1) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17280383525239655191.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11353268853056564087.kers'
[2026-05-24 08:49:08] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17280383525239655191.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11353268853056564087.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 2 ms.
// Phase 1: matrix 444 rows 446 cols 3171 entries
Finished phase 1 with 256 SingleSign rule and 111 generalized
[2026-05-24 08:49:08] [INFO ] Computed 81 invariants in 9 ms
Computed 81 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-11353268853056564087.kers
Total runtime 12 ms.
[2026-05-24 08:49:12] [INFO ] Implicit Places using invariants in 3803 ms returned [203, 208, 231, 237, 259, 264, 284, 289, 310, 315, 336, 342, 363, 368, 388, 394, 416, 421, 440, 446]
[2026-05-24 08:49:12] [INFO ] Actually due to overlaps returned [208, 203]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 3806 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 7 : 446/466 places, 444/450 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 446 transition count 443
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 445 transition count 443
Applied a total of 2 rules in 18 ms. Remains 445 /446 variables (removed 1) and now considering 443/444 (removed 1) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-654267547153529263.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12523129733860699495.kers'
[2026-05-24 08:49:12] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-654267547153529263.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12523129733860699495.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 443 rows 443 cols 3117 entries
Finished phase 1 with 256 SingleSign rule and 110 generalized
[2026-05-24 08:49:12] [INFO ] Computed 79 invariants in 4 ms
Computed 79 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-12523129733860699495.kers
Total runtime 6 ms.

BK_TIME_CONFINEMENT_REACHED

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

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

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="DoubleExponent-PT-020"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5973"
echo " Executing tool itstools"
echo " Input is DoubleExponent-PT-020, 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 r104-tall-177955698800557"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DoubleExponent-PT-020.tgz
mv DoubleExponent-PT-020 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 ;