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.r136-smll-177955811000187.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 FireWire-PT-20, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r136-smll-177955811000187
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 648K
-rw-r--r-- 1 mcc users 7.5K Mar 7 05:19 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K Mar 7 05:19 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.6K Mar 7 05:19 CTLFireability.txt
-rw-r--r-- 1 mcc users 39K Mar 7 05:19 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K Mar 15 10:09 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 10:09 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 10:10 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 10:10 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 7 05:19 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 112K Mar 7 05:19 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.4K Mar 7 05:19 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 50K Mar 7 05:19 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 10:10 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 10:10 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 247K 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 1779615510880

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=FireWire-PT-20
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-24 09:38:32] [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 09:38:32] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 09:38:33] [INFO ] Load time of PNML (sax parser for PT used): 271 ms
[2026-05-24 09:38:33] [INFO ] Transformed 626 places.
[2026-05-24 09:38:33] [INFO ] Transformed 1031 transitions.
[2026-05-24 09:38:33] [INFO ] Found NUPN structural information;
[2026-05-24 09:38:33] [INFO ] Parsed PT model containing 626 places and 1031 transitions and 3196 arcs in 480 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 626/626 places, 1031/1031 transitions.
Graph (trivial) has 458 edges and 626 vertex of which 12 / 626 are part of one of the 3 SCC in 13 ms
Free SCC test removed 9 places
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Reduce places removed 15 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 121 transitions
Trivial Post-agglo rules discarded 121 transitions
Performed 121 trivial Post agglomeration. Transition count delta: 121
Iterating post reduction 0 with 136 rules applied. Total rules applied 137 place count 602 transition count 900
Reduce places removed 121 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 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 1 with 123 rules applied. Total rules applied 260 place count 481 transition count 898
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 261 place count 480 transition count 898
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 16 Pre rules applied. Total rules applied 261 place count 480 transition count 882
Deduced a syphon composed of 16 places in 22 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 3 with 32 rules applied. Total rules applied 293 place count 464 transition count 882
Performed 147 Post agglomeration using F-continuation condition.Transition count delta: 147
Deduced a syphon composed of 147 places in 4 ms
Reduce places removed 147 places and 0 transitions.
Iterating global reduction 3 with 294 rules applied. Total rules applied 587 place count 317 transition count 735
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 590 place count 317 transition count 732
Performed 45 Post agglomeration using F-continuation condition.Transition count delta: -307
Deduced a syphon composed of 45 places in 2 ms
Reduce places removed 45 places and 0 transitions.
Iterating global reduction 4 with 90 rules applied. Total rules applied 680 place count 272 transition count 1039
Applied a total of 680 rules in 282 ms. Remains 272 /626 variables (removed 354) and now considering 1039/1031 (removed -8) transitions.
[2026-05-24 09:38:33] [INFO ] Flow matrix only has 986 transitions (discarded 53 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13474682311919108592.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16784020875125321611.kers'
[2026-05-24 09:38:33] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13474682311919108592.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16784020875125321611.kers]
Normalized transition count is 985 out of 986 initially.
Culled 0 columns in 1 ms.
// Phase 1: matrix 985 rows 272 cols 4091 entries
Finished phase 1 with 262 SingleSign rule and 0 generalized
[2026-05-24 09:38:33] [INFO ] Computed 10 invariants in 8 ms
Computed 10 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-16784020875125321611.kers
Total runtime 12 ms.
[2026-05-24 09:38:34] [INFO ] Implicit Places using invariants in 1238 ms returned []
[2026-05-24 09:38:34] [INFO ] Flow matrix only has 986 transitions (discarded 53 similar events)
[2026-05-24 09:38:34] [INFO ] Invariant cache hit.
[2026-05-24 09:38:35] [INFO ] State equation strengthened by 19 read => feed constraints.
[2026-05-24 09:38:37] [INFO ] Implicit Places using invariants and state equation in 2792 ms returned []
Implicit Place search using SMT with State Equation took 4106 ms to find 0 implicit places.
Running 1012 sub problems to find dead transitions.
[2026-05-24 09:38:37] [INFO ] Flow matrix only has 986 transitions (discarded 53 similar events)
[2026-05-24 09:38:37] [INFO ] Invariant cache hit.
[2026-05-24 09:38:37] [INFO ] State equation strengthened by 19 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/271 variables, 271/271 constraints. Problems are: Problem set: 0 solved, 1012 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/271 variables, 0/271 constraints. Problems are: Problem set: 0 solved, 1012 unsolved
At refinement iteration 2 (OVERLAPS) 1/272 variables, 10/281 constraints. Problems are: Problem set: 0 solved, 1012 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/272 variables, 1/282 constraints. Problems are: Problem set: 0 solved, 1012 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 272/1258 variables, and 288 constraints, problems are : Problem set: 0 solved, 1012 unsolved in 30051 ms.
Refiners :[Domain max(s): 272/272 constraints, Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 0/272 constraints, ReadFeed: 0/19 constraints, PredecessorRefiner: 1012/1012 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1012 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/271 variables, 271/271 constraints. Problems are: Problem set: 0 solved, 1012 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/271 variables, 0/271 constraints. Problems are: Problem set: 0 solved, 1012 unsolved
At refinement iteration 2 (OVERLAPS) 1/272 variables, 10/281 constraints. Problems are: Problem set: 0 solved, 1012 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/272 variables, 1/282 constraints. Problems are: Problem set: 0 solved, 1012 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/272 variables, 6/288 constraints. Problems are: Problem set: 0 solved, 1012 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/272 variables, 10/298 constraints. Problems are: Problem set: 0 solved, 1012 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 272/1258 variables, and 298 constraints, problems are : Problem set: 0 solved, 1012 unsolved in 30030 ms.
Refiners :[Domain max(s): 272/272 constraints, Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 0/272 constraints, ReadFeed: 0/19 constraints, PredecessorRefiner: 0/1012 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61509ms problems are : Problem set: 0 solved, 1012 unsolved
Search for dead transitions found 0 dead transitions in 61561ms
Starting structural reductions in LIVENESS mode, iteration 1 : 272/626 places, 1039/1031 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 66043 ms. Remains : 272/626 places, 1039/1031 transitions.
Discarding 473 transitions out of 1039. Remains 566
Initial state reduction rules removed 1 formulas.
[2026-05-24 09:39:40] [INFO ] Flatten gal took : 458 ms
[2026-05-24 09:39:40] [INFO ] Flatten gal took : 276 ms
[2026-05-24 09:39:40] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5444315381287109086.gal : 136 ms
[2026-05-24 09:39:40] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12412466877767604200.prop : 15 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/ReachabilityCardinality5444315381287109086.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12412466877767604200.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality12412466877767604200.prop.
RANDOM walk for 40000 steps (1515 resets) in 6486 ms. (6 steps per ms) remains 452/565 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 452/452 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 452/452 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 452/452 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 452/452 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 452/452 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 452/452 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 452/452 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 452/452 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 452/452 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 452/452 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 452/452 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 452/452 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 452/452 properties
BEST_FIRST walk for 404 steps (8 resets) in 14 ms. (26 steps per ms) remains 452/452 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 452/452 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 452/452 properties
BEST_FIRST walk for 404 steps (8 resets) in 12 ms. (31 steps per ms) remains 452/452 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 452/452 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 452/452 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 452/452 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 452/452 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 452/452 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 452/452 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 452/452 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 452/452 properties
BEST_FIRST walk for 404 steps (8 resets) in 12 ms. (31 steps per ms) remains 452/452 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 452/452 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 452/452 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 452/452 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 452/452 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 452/452 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 452/452 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 452/452 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 452/452 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 452/452 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 452/452 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 452/452 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 452/452 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 452/452 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 452/452 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 452/452 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 452/452 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 452/452 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 452/452 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 452/452 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 452/452 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 452/452 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 452/452 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 452/452 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 452/452 properties
[2026-05-24 09:39:41] [INFO ] Flow matrix only has 986 transitions (discarded 53 similar events)
[2026-05-24 09:39:41] [INFO ] Invariant cache hit.
[2026-05-24 09:39:41] [INFO ] State equation strengthened by 19 read => feed constraints.
Reachability property qltransition_138 is true.
Reachability property qltransition_137 is true.
Reachability property qltransition_136 is true.
Reachability property qltransition_131 is true.
Reachability property qltransition_130 is true.
Reachability property qltransition_129 is true.
Reachability property qltransition_124 is true.
Reachability property qltransition_123 is true.
Reachability property qltransition_122 is true.
SDD proceeding with computation,556 properties remain. new max is 2
SDD size :1 after 55
Reachability property qltransition_387 is true.
SDD proceeding with computation,555 properties remain. new max is 2
SDD size :55 after 85
Reachability property qltransition_310 is true.
SDD proceeding with computation,554 properties remain. new max is 2
SDD size :85 after 86
SDD proceeding with computation,554 properties remain. new max is 4
SDD size :86 after 88
SDD proceeding with computation,554 properties remain. new max is 8
SDD size :88 after 91
SDD proceeding with computation,554 properties remain. new max is 16
SDD size :91 after 94
Reachability property qltransition_297 is true.
Reachability property qltransition_271 is true.
Reachability property qltransition_142 is true.
Reachability property qltransition_26 is true.
Reachability property qltransition_23 is true.
Reachability property qltransition_21 is true.
SDD proceeding with computation,548 properties remain. new max is 16
SDD size :94 after 132
SDD proceeding with computation,548 properties remain. new max is 32
SDD size :132 after 144
Reachability property qltransition_959 is true.
Reachability property qltransition_957 is true.
Reachability property qltransition_955 is true.
Reachability property qltransition_951 is true.
Reachability property qltransition_949 is true.
Reachability property qltransition_727 is true.
Reachability property qltransition_725 is true.
Reachability property qltransition_723 is true.
Reachability property qltransition_719 is true.
Reachability property qltransition_717 is true.
Reachability property qltransition_244 is true.
SDD proceeding with computation,537 properties remain. new max is 32
SDD size :144 after 184
Reachability property qltransition_245 is true.
Reachability property qltransition_60 is true.
SDD proceeding with computation,535 properties remain. new max is 32
SDD size :184 after 208
SDD proceeding with computation,535 properties remain. new max is 64
SDD size :208 after 224
Reachability property qltransition_62 is true.
SDD proceeding with computation,534 properties remain. new max is 64
SDD size :224 after 282
Reachability property qltransition_246 is true.
SDD proceeding with computation,533 properties remain. new max is 64
SDD size :282 after 299
Reachability property qltransition_64 is true.
SDD proceeding with computation,532 properties remain. new max is 64
SDD size :299 after 357
Reachability property qltransition_247 is true.
SDD proceeding with computation,531 properties remain. new max is 64
SDD size :357 after 374
Reachability property qltransition_66 is true.
SDD proceeding with computation,530 properties remain. new max is 64
SDD size :374 after 432
Reachability property qltransition_248 is true.
SDD proceeding with computation,529 properties remain. new max is 64
SDD size :432 after 449
Reachability property qltransition_68 is true.
SDD proceeding with computation,528 properties remain. new max is 64
SDD size :449 after 507
Reachability property qltransition_600 is true.
SDD proceeding with computation,527 properties remain. new max is 64
SDD size :507 after 524
Reachability property qltransition_953 is true.
Reachability property qltransition_721 is true.
Reachability property qltransition_592 is true.
Reachability property qltransition_588 is true.
Reachability property qltransition_584 is true.
Reachability property qltransition_580 is true.
Reachability property qltransition_572 is true.
Reachability property qltransition_569 is true.
Reachability property qltransition_566 is true.
Reachability property qltransition_563 is true.
Reachability property qltransition_560 is true.
Reachability property qltransition_554 is true.
Reachability property qltransition_539 is true.
Reachability property qltransition_536 is true.
Reachability property qltransition_533 is true.
Reachability property qltransition_530 is true.
Reachability property qltransition_524 is true.
Reachability property qltransition_309 is true.
Reachability property qltransition_308 is true.
Reachability property qltransition_307 is true.
Reachability property qltransition_303 is true.
Reachability property qltransition_302 is true.
Reachability property qltransition_301 is true.
Reachability property qltransition_300 is true.
Reachability property qltransition_299 is true.
SDD proceeding with computation,502 properties remain. new max is 64
SDD size :524 after 1244
Reachability property qltransition_576 is true.
Reachability property qltransition_557 is true.
Reachability property qltransition_552 is true.
Reachability property qltransition_550 is true.
Reachability property qltransition_548 is true.
Reachability property qltransition_546 is true.
Reachability property qltransition_544 is true.
Reachability property qltransition_542 is true.
Reachability property qltransition_527 is true.
Reachability property qltransition_522 is true.
Reachability property qltransition_520 is true.
Reachability property qltransition_518 is true.
Reachability property qltransition_516 is true.
Reachability property qltransition_514 is true.
Reachability property qltransition_512 is true.
Reachability property qltransition_274 is true.
Reachability property qltransition_198 is true.
Reachability property qltransition_69 is true.
SDD proceeding with computation,484 properties remain. new max is 64
SDD size :1244 after 1391
Reachability property qltransition_305 is true.
Reachability property qltransition_304 is true.
SDD proceeding with computation,482 properties remain. new max is 64
SDD size :1391 after 1405
Reachability property qltransition_509 is true.
Reachability property qltransition_506 is true.
Reachability property qltransition_503 is true.
Reachability property qltransition_500 is true.
Reachability property qltransition_497 is true.
Reachability property qltransition_494 is true.
Reachability property qltransition_490 is true.
Reachability property qltransition_486 is true.
Reachability property qltransition_482 is true.
Reachability property qltransition_478 is true.
Reachability property qltransition_474 is true.
Reachability property qltransition_470 is true.
Reachability property qltransition_468 is true.
Reachability property qltransition_466 is true.
Reachability property qltransition_464 is true.
Reachability property qltransition_462 is true.
Reachability property qltransition_460 is true.
Reachability property qltransition_458 is true.
Reachability property qltransition_456 is true.
Reachability property qltransition_454 is true.
Reachability property qltransition_452 is true.
Reachability property qltransition_450 is true.
Reachability property qltransition_448 is true.
Reachability property qltransition_446 is true.
Reachability property qltransition_441 is true.
Reachability property qltransition_436 is true.
Reachability property qltransition_431 is true.
Reachability property qltransition_426 is true.
Reachability property qltransition_421 is true.
Reachability property qltransition_416 is true.
Reachability property qltransition_403 is true.
Reachability property qltransition_400 is true.
Reachability property qltransition_397 is true.
Reachability property qltransition_296 is true.
Reachability property qltransition_295 is true.
Reachability property qltransition_28 is true.
SDD proceeding with computation,446 properties remain. new max is 64
SDD size :1405 after 1521
SDD proceeding with computation,446 properties remain. new max is 128
SDD size :1521 after 1557
SDD proceeding with computation,446 properties remain. new max is 256
SDD size :1557 after 2757
At refinement iteration 0 (INCLUDED_ONLY) 0/246 variables, 246/246 constraints. Problems are: Problem set: 0 solved, 452 unsolved
SDD proceeding with computation,446 properties remain. new max is 512
SDD size :2757 after 3846
Reachability property qltransition_757 is true.
Reachability property qltransition_755 is true.
Reachability property qltransition_753 is true.
Reachability property qltransition_751 is true.
Reachability property qltransition_749 is true.
Reachability property qltransition_747 is true.
Reachability property qltransition_714 is true.
Reachability property qltransition_711 is true.
Reachability property qltransition_708 is true.
Reachability property qltransition_705 is true.
Reachability property qltransition_702 is true.
Reachability property qltransition_699 is true.
Reachability property qltransition_695 is true.
Reachability property qltransition_691 is true.
Reachability property qltransition_687 is true.
Reachability property qltransition_683 is true.
Reachability property qltransition_679 is true.
Reachability property qltransition_675 is true.
Reachability property qltransition_673 is true.
Reachability property qltransition_671 is true.
Reachability property qltransition_669 is true.
Reachability property qltransition_667 is true.
Reachability property qltransition_665 is true.
Reachability property qltransition_663 is true.
Reachability property qltransition_661 is true.
Reachability property qltransition_659 is true.
Reachability property qltransition_657 is true.
Reachability property qltransition_655 is true.
Reachability property qltransition_653 is true.
Reachability property qltransition_651 is true.
Reachability property qltransition_646 is true.
Reachability property qltransition_641 is true.
Reachability property qltransition_636 is true.
Reachability property qltransition_631 is true.
Reachability property qltransition_626 is true.
Reachability property qltransition_621 is true.
Reachability property qltransition_333 is true.
Reachability property qltransition_332 is true.
Reachability property qltransition_97 is true.
SDD proceeding with computation,407 properties remain. new max is 512
SDD size :3846 after 35891
Reachability property qltransition_598 is true.
Reachability property qltransition_596 is true.
Reachability property qltransition_342 is true.
Reachability property qltransition_341 is true.
Reachability property qltransition_212 is true.
Reachability property qltransition_197 is true.
Reachability property qltransition_196 is true.
Reachability property qltransition_195 is true.
Reachability property qltransition_194 is true.
Reachability property qltransition_193 is true.
Reachability property qltransition_164 is true.
Reachability property qltransition_163 is true.
Reachability property qltransition_162 is true.
Reachability property qltransition_161 is true.
Reachability property qltransition_67 is true.
Reachability property qltransition_65 is true.
Reachability property qltransition_63 is true.
Reachability property qltransition_61 is true.
SDD proceeding with computation,389 properties remain. new max is 512
SDD size :35891 after 41121
Reachability property qltransition_608 is true.
Reachability property qltransition_605 is true.
Reachability property qltransition_343 is true.
Reachability property qltransition_98 is true.
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 246/1258 variables, and 246 constraints, problems are : Problem set: 111 solved, 341 unsolved in 5017 ms.
Refiners :[Domain max(s): 246/272 constraints, Positive P Invariants (semi-flows): 0/10 constraints, State Equation: 0/272 constraints, ReadFeed: 0/19 constraints, PredecessorRefiner: 452/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 111 solved, 341 unsolved
SDD proceeding with computation,385 properties remain. new max is 512
SDD size :41121 after 52820
At refinement iteration 0 (INCLUDED_ONLY) 0/202 variables, 202/202 constraints. Problems are: Problem set: 111 solved, 341 unsolved
SDD proceeding with computation,385 properties remain. new max is 1024
SDD size :52820 after 54813
Reachability property qltransition_602 is true.
Reachability property qltransition_306 is true.
Reachability property qltransition_70 is true.
SDD proceeding with computation,382 properties remain. new max is 1024
SDD size :54813 after 63434
Reachability property qltransition_293 is true.
Reachability property qltransition_283 is true.
Reachability property qltransition_281 is true.
Reachability property qltransition_280 is true.
Reachability property qltransition_279 is true.
Reachability property qltransition_278 is true.
Reachability property qltransition_277 is true.
Reachability property qltransition_206 is true.
SDD proceeding with computation,374 properties remain. new max is 1024
SDD size :63434 after 99359
At refinement iteration 1 (INCLUDED_ONLY) 0/202 variables, 0/202 constraints. Problems are: Problem set: 122 solved, 330 unsolved
Reachability property qltransition_284 is true.
At refinement iteration 2 (OVERLAPS) 60/262 variables, 10/212 constraints. Problems are: Problem set: 123 solved, 329 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/262 variables, 60/272 constraints. Problems are: Problem set: 123 solved, 329 unsolved
Reachability property qltransition_85 is true.
SDD proceeding with computation,372 properties remain. new max is 1024
SDD size :99359 after 179171
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 262/1258 variables, and 274 constraints, problems are : Problem set: 124 solved, 328 unsolved in 5020 ms.
Refiners :[Domain max(s): 262/272 constraints, Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 0/272 constraints, ReadFeed: 0/19 constraints, PredecessorRefiner: 0/452 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10535ms problems are : Problem set: 124 solved, 328 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 192 out of 272 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 272/272 places, 1039/1039 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 272 transition count 1036
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 11 place count 264 transition count 1028
Iterating global reduction 1 with 8 rules applied. Total rules applied 19 place count 264 transition count 1028
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 19 transitions.
Iterating post reduction 1 with 19 rules applied. Total rules applied 38 place count 264 transition count 1009
Drop transitions (Redundant composition of simpler transitions.) removed 12 transitions
Redundant transition composition rules discarded 12 transitions
Iterating global reduction 2 with 12 rules applied. Total rules applied 50 place count 264 transition count 997
Free-agglomeration rule applied 7 times.
Iterating global reduction 2 with 7 rules applied. Total rules applied 57 place count 264 transition count 990
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 64 place count 257 transition count 990
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 65 place count 256 transition count 989
Iterating global reduction 3 with 1 rules applied. Total rules applied 66 place count 256 transition count 989
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 3 with 6 rules applied. Total rules applied 72 place count 256 transition count 983
Applied a total of 72 rules in 165 ms. Remains 256 /272 variables (removed 16) and now considering 983/1039 (removed 56) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 165 ms. Remains : 256/272 places, 983/1039 transitions.
SDD proceeding with computation,372 properties remain. new max is 2048
SDD size :179171 after 204989
SDD proceeding with computation,372 properties remain. new max is 4096
SDD size :204989 after 241010
Reachability property qltransition_414 is true.
Reachability property qltransition_412 is true.
Reachability property qltransition_292 is true.
Reachability property qltransition_291 is true.
Reachability property qltransition_290 is true.
Reachability property qltransition_289 is true.
Reachability property qltransition_288 is true.
Reachability property qltransition_287 is true.
Reachability property qltransition_286 is true.
Reachability property qltransition_251 is true.
Reachability property qltransition_250 is true.
Reachability property qltransition_249 is true.
Reachability property qltransition_222 is true.
Reachability property qltransition_221 is true.
Reachability property qltransition_200 is true.
Reachability property qltransition_199 is true.
Reachability property qltransition_165 is true.
Reachability property qltransition_141 is true.
Reachability property qltransition_140 is true.
Reachability property qltransition_117 is true.
Reachability property qltransition_75 is true.
Reachability property qltransition_74 is true.
Reachability property qltransition_73 is true.
Reachability property qltransition_72 is true.
Reachability property qltransition_71 is true.
SDD proceeding with computation,347 properties remain. new max is 4096
SDD size :241010 after 268363
Reachability property qltransition_410 is true.
Reachability property qltransition_408 is true.
Reachability property qltransition_406 is true.
Reachability property qltransition_285 is true.
Reachability property qltransition_255 is true.
Reachability property qltransition_254 is true.
Reachability property qltransition_253 is true.
Reachability property qltransition_252 is true.
Reachability property qltransition_205 is true.
Reachability property qltransition_204 is true.
Reachability property qltransition_203 is true.
Reachability property qltransition_202 is true.
Reachability property qltransition_201 is true.
Reachability property qltransition_169 is true.
Reachability property qltransition_168 is true.
Reachability property qltransition_167 is true.
Reachability property qltransition_166 is true.
Reachability property qltransition_135 is true.
Reachability property qltransition_134 is true.
Reachability property qltransition_84 is true.
Reachability property qltransition_83 is true.
Reachability property qltransition_82 is true.
Reachability property qltransition_81 is true.
Reachability property qltransition_80 is true.
Reachability property qltransition_79 is true.
Reachability property qltransition_78 is true.
Reachability property qltransition_77 is true.
Reachability property qltransition_76 is true.
SDD proceeding with computation,319 properties remain. new max is 4096
SDD size :268363 after 312433
SDD proceeding with computation,319 properties remain. new max is 8192
SDD size :312433 after 346657
Reachability property qltransition_133 is true.
SDD proceeding with computation,318 properties remain. new max is 8192
SDD size :346657 after 461235
RANDOM walk for 4000000 steps (125453 resets) in 98909 ms. (40 steps per ms) remains 193/328 properties
BEST_FIRST walk for 40003 steps (130 resets) in 281 ms. (141 steps per ms) remains 191/193 properties
BEST_FIRST walk for 40004 steps (240 resets) in 273 ms. (146 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40004 steps (132 resets) in 267 ms. (149 steps per ms) remains 187/191 properties
BEST_FIRST walk for 40004 steps (251 resets) in 223 ms. (178 steps per ms) remains 187/187 properties
BEST_FIRST walk for 40004 steps (131 resets) in 255 ms. (156 steps per ms) remains 187/187 properties
BEST_FIRST walk for 40003 steps (245 resets) in 254 ms. (156 steps per ms) remains 187/187 properties
BEST_FIRST walk for 40003 steps (129 resets) in 325 ms. (122 steps per ms) remains 186/187 properties
BEST_FIRST walk for 40004 steps (233 resets) in 273 ms. (146 steps per ms) remains 186/186 properties
BEST_FIRST walk for 40003 steps (130 resets) in 307 ms. (129 steps per ms) remains 184/186 properties
BEST_FIRST walk for 40003 steps (226 resets) in 271 ms. (147 steps per ms) remains 184/184 properties
BEST_FIRST walk for 40003 steps (133 resets) in 301 ms. (132 steps per ms) remains 184/184 properties
BEST_FIRST walk for 40004 steps (245 resets) in 278 ms. (143 steps per ms) remains 184/184 properties
Reachability property qltransition_989 is true.
Reachability property qltransition_987 is true.
Reachability property qltransition_985 is true.
Reachability property qltransition_983 is true.
Reachability property qltransition_981 is true.
Reachability property qltransition_979 is true.
Reachability property qltransition_946 is true.
Reachability property qltransition_943 is true.
Reachability property qltransition_940 is true.
Reachability property qltransition_937 is true.
Reachability property qltransition_934 is true.
Reachability property qltransition_931 is true.
Reachability property qltransition_927 is true.
Reachability property qltransition_923 is true.
Reachability property qltransition_919 is true.
Reachability property qltransition_915 is true.
Reachability property qltransition_911 is true.
Reachability property qltransition_907 is true.
Reachability property qltransition_905 is true.
Reachability property qltransition_903 is true.
Reachability property qltransition_901 is true.
Reachability property qltransition_899 is true.
Reachability property qltransition_897 is true.
Reachability property qltransition_895 is true.
Reachability property qltransition_893 is true.
Reachability property qltransition_891 is true.
Reachability property qltransition_889 is true.
Reachability property qltransition_887 is true.
Reachability property qltransition_885 is true.
Reachability property qltransition_883 is true.
Reachability property qltransition_878 is true.
Reachability property qltransition_873 is true.
Reachability property qltransition_868 is true.
Reachability property qltransition_863 is true.
Reachability property qltransition_858 is true.
Reachability property qltransition_853 is true.
BEST_FIRST walk for 40003 steps (127 resets) in 314 ms. (126 steps per ms) remains 183/184 properties
BEST_FIRST walk for 40003 steps (232 resets) in 265 ms. (150 steps per ms) remains 183/183 properties
Reachability property qltransition_380 is true.
Reachability property qltransition_379 is true.
Reachability property qltransition_378 is true.
Reachability property qltransition_370 is true.
Reachability property qltransition_369 is true.
BEST_FIRST walk for 40003 steps (125 resets) in 272 ms. (146 steps per ms) remains 183/183 properties
BEST_FIRST walk for 40000 steps (246 resets) in 272 ms. (146 steps per ms) remains 183/183 properties
BEST_FIRST walk for 40003 steps (131 resets) in 291 ms. (136 steps per ms) remains 183/183 properties
BEST_FIRST walk for 40003 steps (234 resets) in 206 ms. (193 steps per ms) remains 183/183 properties
BEST_FIRST walk for 40002 steps (133 resets) in 199 ms. (200 steps per ms) remains 183/183 properties
BEST_FIRST walk for 40004 steps (246 resets) in 218 ms. (182 steps per ms) remains 183/183 properties
BEST_FIRST walk for 40003 steps (129 resets) in 207 ms. (192 steps per ms) remains 183/183 properties
BEST_FIRST walk for 40003 steps (246 resets) in 200 ms. (199 steps per ms) remains 183/183 properties
BEST_FIRST walk for 40004 steps (136 resets) in 219 ms. (181 steps per ms) remains 180/183 properties
Reachability property qltransition_187 is true.
BEST_FIRST walk for 40003 steps (237 resets) in 218 ms. (182 steps per ms) remains 180/180 properties
BEST_FIRST walk for 40004 steps (132 resets) in 264 ms. (150 steps per ms) remains 180/180 properties
BEST_FIRST walk for 40003 steps (245 resets) in 166 ms. (239 steps per ms) remains 180/180 properties
BEST_FIRST walk for 40002 steps (134 resets) in 215 ms. (185 steps per ms) remains 180/180 properties
BEST_FIRST walk for 40001 steps (252 resets) in 226 ms. (176 steps per ms) remains 180/180 properties
BEST_FIRST walk for 40003 steps (127 resets) in 273 ms. (145 steps per ms) remains 179/180 properties
BEST_FIRST walk for 40003 steps (240 resets) in 243 ms. (163 steps per ms) remains 179/179 properties
Reachability property qltransition_46 is true.
Reachability property qltransition_45 is true.
BEST_FIRST walk for 40004 steps (135 resets) in 253 ms. (157 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40003 steps (232 resets) in 178 ms. (223 steps per ms) remains 179/179 properties
SDD proceeding with computation,274 properties remain. new max is 8192
SDD size :461235 after 2.83605e+06
BEST_FIRST walk for 40004 steps (126 resets) in 292 ms. (136 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40002 steps (234 resets) in 172 ms. (231 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40003 steps (128 resets) in 234 ms. (170 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40003 steps (247 resets) in 182 ms. (218 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40004 steps (128 resets) in 251 ms. (158 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40000 steps (242 resets) in 238 ms. (167 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40004 steps (136 resets) in 309 ms. (129 steps per ms) remains 178/179 properties
BEST_FIRST walk for 40004 steps (233 resets) in 220 ms. (181 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40002 steps (133 resets) in 260 ms. (153 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40002 steps (243 resets) in 172 ms. (231 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40003 steps (250 resets) in 266 ms. (149 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40004 steps (250 resets) in 298 ms. (133 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40004 steps (233 resets) in 230 ms. (173 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40003 steps (229 resets) in 228 ms. (174 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40004 steps (248 resets) in 231 ms. (172 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40002 steps (234 resets) in 228 ms. (174 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40004 steps (219 resets) in 226 ms. (176 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40002 steps (244 resets) in 230 ms. (173 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40002 steps (239 resets) in 214 ms. (186 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40004 steps (236 resets) in 216 ms. (184 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40003 steps (241 resets) in 240 ms. (165 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40004 steps (132 resets) in 264 ms. (150 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40003 steps (129 resets) in 266 ms. (149 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40004 steps (131 resets) in 381 ms. (104 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40003 steps (129 resets) in 265 ms. (150 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40004 steps (135 resets) in 361 ms. (110 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40002 steps (239 resets) in 308 ms. (129 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40004 steps (240 resets) in 388 ms. (102 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40004 steps (235 resets) in 240 ms. (165 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40002 steps (245 resets) in 234 ms. (170 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40003 steps (242 resets) in 239 ms. (166 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40003 steps (245 resets) in 273 ms. (145 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40002 steps (235 resets) in 268 ms. (148 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40002 steps (235 resets) in 257 ms. (155 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40003 steps (248 resets) in 280 ms. (142 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40002 steps (231 resets) in 376 ms. (106 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40004 steps (243 resets) in 239 ms. (166 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40004 steps (245 resets) in 285 ms. (139 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40002 steps (232 resets) in 246 ms. (161 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40003 steps (242 resets) in 242 ms. (164 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40003 steps (243 resets) in 237 ms. (168 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40002 steps (244 resets) in 248 ms. (160 steps per ms) remains 178/178 properties
Reachability property qltransition_840 is true.
Reachability property qltransition_834 is true.
BEST_FIRST walk for 40004 steps (242 resets) in 247 ms. (161 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40003 steps (238 resets) in 254 ms. (156 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40004 steps (243 resets) in 217 ms. (183 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40004 steps (239 resets) in 258 ms. (154 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40003 steps (237 resets) in 249 ms. (160 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40002 steps (238 resets) in 254 ms. (156 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40004 steps (243 resets) in 208 ms. (191 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40003 steps (235 resets) in 224 ms. (177 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40003 steps (248 resets) in 244 ms. (163 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40004 steps (244 resets) in 245 ms. (162 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40004 steps (227 resets) in 268 ms. (148 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40003 steps (235 resets) in 255 ms. (156 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40002 steps (236 resets) in 251 ms. (158 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40004 steps (232 resets) in 248 ms. (160 steps per ms) remains 178/178 properties
[2026-05-24 09:40:25] [INFO ] Flow matrix only has 932 transitions (discarded 51 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14360666867458528346.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16876876061725521515.kers'
[2026-05-24 09:40:25] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14360666867458528346.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16876876061725521515.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 932 rows 256 cols 3700 entries
Finished phase 1 with 246 SingleSign rule and 0 generalized
[2026-05-24 09:40:25] [INFO ] Computed 10 invariants in 6 ms
Computed 10 P flows in 7 ms.
Exported basis to /tmp/petrispot-output-16876876061725521515.kers
Total runtime 8 ms.
[2026-05-24 09:40:25] [INFO ] State equation strengthened by 21 read => feed constraints.
SDD proceeding with computation,272 properties remain. new max is 8192
SDD size :2.83605e+06 after 5.70634e+06
At refinement iteration 0 (INCLUDED_ONLY) 0/89 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 1 (OVERLAPS) 88/177 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 127 unsolved
Reachability property qltransition_837 is true.
At refinement iteration 2 (INCLUDED_ONLY) 0/177 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 127 unsolved
Reachability property qltransition_298 is true.
At refinement iteration 3 (INCLUDED_ONLY) 0/177 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 4 (OVERLAPS) 67/244 variables, 3/16 constraints. Problems are: Problem set: 0 solved, 127 unsolved
Reachability property qltransition_58 is true.
SDD proceeding with computation,269 properties remain. new max is 8192
SDD size :5.70634e+06 after 7.3788e+06
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 3/19 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/244 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 127 unsolved
Reachability property qltransition_395 is true.
Reachability property qltransition_393 is true.
Reachability property qltransition_391 is true.
Reachability property qltransition_294 is true.
Reachability property qltransition_282 is true.
Reachability property qltransition_270 is true.
Reachability property qltransition_269 is true.
Reachability property qltransition_268 is true.
Reachability property qltransition_223 is true.
Reachability property qltransition_143 is true.
At refinement iteration 7 (INCLUDED_ONLY) 0/244 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 127 unsolved
Reachability property qltransition_59 is true.
At refinement iteration 8 (OVERLAPS) 932/1176 variables, 244/264 constraints. Problems are: Problem set: 0 solved, 127 unsolved
SDD proceeding with computation,258 properties remain. new max is 8192
SDD size :7.3788e+06 after 8.57078e+06
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/1176 variables, 21/285 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1176 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 11 (OVERLAPS) 12/1188 variables, 12/297 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1188 variables, 0/297 constraints. Problems are: Problem set: 0 solved, 127 unsolved
SDD proceeding with computation,258 properties remain. new max is 16384
SDD size :8.57078e+06 after 8.87456e+06
At refinement iteration 13 (OVERLAPS) 0/1188 variables, 0/297 constraints. Problems are: Problem set: 0 solved, 127 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1188/1188 variables, and 297 constraints, problems are : Problem set: 0 solved, 127 unsolved in 24688 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 256/256 constraints, ReadFeed: 21/21 constraints, PredecessorRefiner: 127/127 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 127 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/89 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 1 (OVERLAPS) 88/177 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/177 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/177 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 4 (OVERLAPS) 67/244 variables, 3/16 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 4/20 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/244 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 7 (OVERLAPS) 932/1176 variables, 244/264 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1176 variables, 21/285 constraints. Problems are: Problem set: 0 solved, 127 unsolved
SDD proceeding with computation,258 properties remain. new max is 32768
SDD size :8.87456e+06 after 1.14318e+07
At refinement iteration 9 (INCLUDED_ONLY) 0/1176 variables, 121/406 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1176 variables, 1/407 constraints. Problems are: Problem set: 0 solved, 127 unsolved
SDD proceeding with computation,258 properties remain. new max is 65536
SDD size :1.14318e+07 after 1.34543e+07
At refinement iteration 11 (INCLUDED_ONLY) 0/1176 variables, 0/407 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 12 (OVERLAPS) 12/1188 variables, 12/419 constraints. Problems are: Problem set: 0 solved, 127 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1188/1188 variables, and 425 constraints, problems are : Problem set: 0 solved, 127 unsolved in 45016 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 256/256 constraints, ReadFeed: 21/21 constraints, PredecessorRefiner: 127/127 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 69849ms problems are : Problem set: 0 solved, 127 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 89 out of 256 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 256/256 places, 983/983 transitions.
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 10 place count 246 transition count 797
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 246 transition count 797
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 21 place count 246 transition count 796
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 25 place count 242 transition count 781
Iterating global reduction 1 with 4 rules applied. Total rules applied 29 place count 242 transition count 781
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 1 with 12 rules applied. Total rules applied 41 place count 242 transition count 769
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 42 place count 241 transition count 767
Iterating global reduction 2 with 1 rules applied. Total rules applied 43 place count 241 transition count 767
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 44 place count 240 transition count 764
Iterating global reduction 2 with 1 rules applied. Total rules applied 45 place count 240 transition count 764
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 46 place count 239 transition count 762
Iterating global reduction 2 with 1 rules applied. Total rules applied 47 place count 239 transition count 762
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 48 place count 238 transition count 759
Iterating global reduction 2 with 1 rules applied. Total rules applied 49 place count 238 transition count 759
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 50 place count 237 transition count 757
Iterating global reduction 2 with 1 rules applied. Total rules applied 51 place count 237 transition count 757
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 52 place count 236 transition count 754
Iterating global reduction 2 with 1 rules applied. Total rules applied 53 place count 236 transition count 754
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 54 place count 235 transition count 752
Iterating global reduction 2 with 1 rules applied. Total rules applied 55 place count 235 transition count 752
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 56 place count 234 transition count 749
Iterating global reduction 2 with 1 rules applied. Total rules applied 57 place count 234 transition count 749
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 58 place count 233 transition count 747
Iterating global reduction 2 with 1 rules applied. Total rules applied 59 place count 233 transition count 747
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 60 place count 232 transition count 745
Iterating global reduction 2 with 1 rules applied. Total rules applied 61 place count 232 transition count 745
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 62 place count 231 transition count 743
Iterating global reduction 2 with 1 rules applied. Total rules applied 63 place count 231 transition count 743
Free-agglomeration rule applied 6 times.
Iterating global reduction 2 with 6 rules applied. Total rules applied 69 place count 231 transition count 737
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 75 place count 225 transition count 737
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 76 place count 224 transition count 736
Iterating global reduction 3 with 1 rules applied. Total rules applied 77 place count 224 transition count 736
Drop transitions (Redundant composition of simpler transitions.) removed 9 transitions
Redundant transition composition rules discarded 9 transitions
Iterating global reduction 3 with 9 rules applied. Total rules applied 86 place count 224 transition count 727
Applied a total of 86 rules in 205 ms. Remains 224 /256 variables (removed 32) and now considering 727/983 (removed 256) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 206 ms. Remains : 224/256 places, 727/983 transitions.
RANDOM walk for 4000000 steps (117755 resets) in 62246 ms. (64 steps per ms) remains 118/127 properties
BEST_FIRST walk for 40003 steps (73 resets) in 166 ms. (239 steps per ms) remains 118/118 properties
BEST_FIRST walk for 40003 steps (238 resets) in 185 ms. (215 steps per ms) remains 118/118 properties
BEST_FIRST walk for 40004 steps (78 resets) in 196 ms. (203 steps per ms) remains 118/118 properties
BEST_FIRST walk for 40003 steps (230 resets) in 151 ms. (263 steps per ms) remains 118/118 properties
BEST_FIRST walk for 40004 steps (76 resets) in 208 ms. (191 steps per ms) remains 117/118 properties
BEST_FIRST walk for 40004 steps (239 resets) in 193 ms. (206 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40003 steps (73 resets) in 180 ms. (221 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (216 resets) in 198 ms. (201 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40003 steps (81 resets) in 161 ms. (246 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (235 resets) in 200 ms. (199 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (75 resets) in 196 ms. (203 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40003 steps (231 resets) in 154 ms. (258 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (74 resets) in 194 ms. (205 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40003 steps (228 resets) in 164 ms. (242 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (72 resets) in 150 ms. (264 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40003 steps (229 resets) in 196 ms. (203 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40002 steps (75 resets) in 159 ms. (250 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40002 steps (224 resets) in 210 ms. (189 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40003 steps (77 resets) in 183 ms. (217 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (242 resets) in 149 ms. (266 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40003 steps (73 resets) in 233 ms. (170 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40002 steps (226 resets) in 176 ms. (226 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (74 resets) in 156 ms. (254 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40003 steps (218 resets) in 197 ms. (202 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40003 steps (72 resets) in 195 ms. (204 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (241 resets) in 151 ms. (263 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (230 resets) in 216 ms. (184 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (241 resets) in 165 ms. (240 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (209 resets) in 136 ms. (292 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40003 steps (222 resets) in 157 ms. (253 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40003 steps (226 resets) in 184 ms. (216 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40002 steps (208 resets) in 170 ms. (233 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40001 steps (213 resets) in 150 ms. (264 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40003 steps (72 resets) in 146 ms. (272 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40003 steps (75 resets) in 220 ms. (181 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (239 resets) in 163 ms. (243 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40001 steps (216 resets) in 184 ms. (216 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40003 steps (233 resets) in 165 ms. (240 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40003 steps (238 resets) in 176 ms. (226 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40003 steps (226 resets) in 207 ms. (192 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40002 steps (228 resets) in 201 ms. (198 steps per ms) remains 117/117 properties
Reachability property qltransition_389 is true.
BEST_FIRST walk for 40003 steps (221 resets) in 172 ms. (231 steps per ms) remains 116/117 properties
BEST_FIRST walk for 40001 steps (235 resets) in 154 ms. (258 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40003 steps (232 resets) in 213 ms. (186 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40002 steps (223 resets) in 172 ms. (231 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40004 steps (236 resets) in 154 ms. (258 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40003 steps (222 resets) in 206 ms. (193 steps per ms) remains 116/116 properties
Reachability property qltransition_335 is true.
Reachability property qltransition_334 is true.
BEST_FIRST walk for 40003 steps (229 resets) in 190 ms. (209 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40004 steps (230 resets) in 156 ms. (254 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40004 steps (217 resets) in 187 ms. (212 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40002 steps (241 resets) in 208 ms. (191 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40002 steps (240 resets) in 156 ms. (254 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40003 steps (236 resets) in 151 ms. (263 steps per ms) remains 116/116 properties
Reachability property qltransition_272 is true.
BEST_FIRST walk for 40004 steps (230 resets) in 168 ms. (236 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40004 steps (228 resets) in 204 ms. (195 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40001 steps (235 resets) in 162 ms. (245 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40003 steps (215 resets) in 168 ms. (236 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40002 steps (210 resets) in 133 ms. (298 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40003 steps (229 resets) in 154 ms. (258 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40003 steps (234 resets) in 149 ms. (266 steps per ms) remains 116/116 properties
Reachability property qltransition_259 is true.
Reachability property qltransition_258 is true.
Reachability property qltransition_257 is true.
Reachability property qltransition_256 is true.
BEST_FIRST walk for 40003 steps (225 resets) in 214 ms. (186 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40003 steps (234 resets) in 139 ms. (285 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40003 steps (222 resets) in 170 ms. (233 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40004 steps (234 resets) in 161 ms. (246 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40002 steps (230 resets) in 197 ms. (202 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40003 steps (239 resets) in 156 ms. (254 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40004 steps (226 resets) in 153 ms. (259 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40004 steps (228 resets) in 185 ms. (215 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40004 steps (240 resets) in 156 ms. (254 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40004 steps (236 resets) in 191 ms. (208 steps per ms) remains 116/116 properties
Reachability property qltransition_226 is true.
BEST_FIRST walk for 40004 steps (227 resets) in 199 ms. (200 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40003 steps (236 resets) in 180 ms. (221 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40003 steps (226 resets) in 155 ms. (256 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40003 steps (210 resets) in 199 ms. (200 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40002 steps (224 resets) in 153 ms. (259 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40003 steps (233 resets) in 179 ms. (222 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40004 steps (221 resets) in 196 ms. (203 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40002 steps (223 resets) in 160 ms. (248 steps per ms) remains 116/116 properties
Reachability property qltransition_209 is true.
Reachability property qltransition_208 is true.
Reachability property qltransition_207 is true.
BEST_FIRST walk for 40004 steps (227 resets) in 178 ms. (223 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40004 steps (219 resets) in 152 ms. (261 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40004 steps (244 resets) in 199 ms. (200 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40003 steps (239 resets) in 155 ms. (256 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40004 steps (192 resets) in 151 ms. (263 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40004 steps (184 resets) in 156 ms. (254 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40002 steps (194 resets) in 185 ms. (215 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40004 steps (202 resets) in 170 ms. (233 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40004 steps (239 resets) in 139 ms. (285 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40004 steps (190 resets) in 130 ms. (305 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40004 steps (179 resets) in 126 ms. (314 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40002 steps (234 resets) in 170 ms. (233 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40004 steps (227 resets) in 195 ms. (204 steps per ms) remains 116/116 properties
Reachability property qltransition_172 is true.
Reachability property qltransition_171 is true.
Reachability property qltransition_170 is true.
Reachability property qltransition_147 is true.
Reachability property qltransition_146 is true.
Reachability property qltransition_93 is true.
Reachability property qltransition_92 is true.
Reachability property qltransition_91 is true.
Reachability property qltransition_90 is true.
Reachability property qltransition_89 is true.
Reachability property qltransition_88 is true.
Reachability property qltransition_87 is true.
Reachability property qltransition_86 is true.
SDD proceeding with computation,233 properties remain. new max is 65536
SDD size :1.34543e+07 after 2.21831e+07
Reachability property qltransition_805 is true.
Reachability property qltransition_803 is true.
Reachability property qltransition_801 is true.
Reachability property qltransition_797 is true.
Reachability property qltransition_793 is true.
Reachability property qltransition_789 is true.
Reachability property qltransition_785 is true.
Reachability property qltransition_781 is true.
Reachability property qltransition_777 is true.
Reachability property qltransition_774 is true.
Reachability property qltransition_771 is true.
Reachability property qltransition_768 is true.
Reachability property qltransition_765 is true.
Reachability property qltransition_762 is true.
Reachability property qltransition_759 is true.
Reachability property qltransition_744 is true.
Reachability property qltransition_741 is true.
Reachability property qltransition_738 is true.
Reachability property qltransition_735 is true.
Reachability property qltransition_732 is true.
Reachability property qltransition_729 is true.
Reachability property qltransition_260 is true.
Reachability property qltransition_211 is true.
Reachability property qltransition_210 is true.
Reachability property qltransition_173 is true.
Reachability property qltransition_96 is true.
Reachability property qltransition_95 is true.
Reachability property qltransition_94 is true.
SDD proceeding with computation,205 properties remain. new max is 65536
SDD size :2.21831e+07 after 4.0174e+07
Interrupted probabilistic random walk after 4134707 steps, run timeout after 63001 ms. (steps per millisecond=65 ) properties seen :19 out of 116
Probabilistic random walk after 4134707 steps, saw 1234484 distinct states, run finished after 63016 ms. (steps per millisecond=65 ) properties seen :19
[2026-05-24 09:43:00] [INFO ] Flow matrix only has 700 transitions (discarded 27 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7308103525721564878.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3317500595878152226.kers'
[2026-05-24 09:43:00] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7308103525721564878.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3317500595878152226.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 700 rows 224 cols 2800 entries
Finished phase 1 with 214 SingleSign rule and 0 generalized
[2026-05-24 09:43:00] [INFO ] Computed 10 invariants in 3 ms
Computed 10 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-3317500595878152226.kers
Total runtime 5 ms.
[2026-05-24 09:43:00] [INFO ] State equation strengthened by 15 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/67 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 1 (OVERLAPS) 98/165 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/165 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/165 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 4 (OVERLAPS) 47/212 variables, 3/16 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/212 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 97 unsolved
SDD proceeding with computation,205 properties remain. new max is 131072
SDD size :4.0174e+07 after 4.61288e+07
At refinement iteration 6 (INCLUDED_ONLY) 0/212 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 7 (OVERLAPS) 700/912 variables, 212/229 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/912 variables, 15/244 constraints. Problems are: Problem set: 0 solved, 97 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/912 variables, 0/244 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 10 (OVERLAPS) 12/924 variables, 12/256 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/924 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 12 (OVERLAPS) 0/924 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 97 unsolved
No progress, stopping.
After SMT solving in domain Real declared 924/924 variables, and 256 constraints, problems are : Problem set: 0 solved, 97 unsolved in 12569 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 224/224 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 97/97 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 97 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/67 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 1 (OVERLAPS) 98/165 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/165 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/165 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 4 (OVERLAPS) 47/212 variables, 3/16 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/212 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/212 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 7 (OVERLAPS) 700/912 variables, 212/229 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/912 variables, 15/244 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/912 variables, 93/337 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/912 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 11 (OVERLAPS) 12/924 variables, 12/349 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/924 variables, 4/353 constraints. Problems are: Problem set: 0 solved, 97 unsolved
Reachability property qltransition_385 is true.
Reachability property qltransition_372 is true.
Reachability property qltransition_371 is true.
Reachability property qltransition_273 is true.
Reachability property qltransition_151 is true.
Reachability property qltransition_57 is true.
SDD proceeding with computation,199 properties remain. new max is 131072
SDD size :4.61288e+07 after 6.63098e+07
At refinement iteration 13 (INCLUDED_ONLY) 0/924 variables, 0/353 constraints. Problems are: Problem set: 0 solved, 97 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 924/924 variables, and 353 constraints, problems are : Problem set: 0 solved, 97 unsolved in 75012 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 224/224 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 97/97 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 87658ms problems are : Problem set: 0 solved, 97 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 67 out of 224 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 224/224 places, 727/727 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 218 transition count 639
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 218 transition count 639
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 13 place count 218 transition count 638
Free-agglomeration rule applied 2 times.
Iterating global reduction 1 with 2 rules applied. Total rules applied 15 place count 218 transition count 636
Reduce places removed 2 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 1 with 11 rules applied. Total rules applied 26 place count 216 transition count 627
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 27 place count 215 transition count 626
Iterating global reduction 2 with 1 rules applied. Total rules applied 28 place count 215 transition count 626
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 31 place count 215 transition count 623
Drop transitions (Redundant composition of simpler transitions.) removed 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 3 with 16 rules applied. Total rules applied 47 place count 215 transition count 607
Applied a total of 47 rules in 118 ms. Remains 215 /224 variables (removed 9) and now considering 607/727 (removed 120) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 119 ms. Remains : 215/224 places, 607/727 transitions.
RANDOM walk for 4000000 steps (127202 resets) in 51517 ms. (77 steps per ms) remains 95/97 properties
BEST_FIRST walk for 400004 steps (932 resets) in 1319 ms. (303 steps per ms) remains 94/95 properties
BEST_FIRST walk for 400002 steps (2473 resets) in 1299 ms. (307 steps per ms) remains 94/94 properties
BEST_FIRST walk for 400003 steps (929 resets) in 1543 ms. (259 steps per ms) remains 94/94 properties
BEST_FIRST walk for 400004 steps (2498 resets) in 1272 ms. (314 steps per ms) remains 94/94 properties
BEST_FIRST walk for 400003 steps (926 resets) in 1519 ms. (263 steps per ms) remains 94/94 properties
BEST_FIRST walk for 400004 steps (2481 resets) in 1200 ms. (333 steps per ms) remains 94/94 properties
BEST_FIRST walk for 400003 steps (912 resets) in 1399 ms. (285 steps per ms) remains 94/94 properties
BEST_FIRST walk for 400003 steps (2498 resets) in 1242 ms. (321 steps per ms) remains 94/94 properties
BEST_FIRST walk for 400003 steps (944 resets) in 1547 ms. (258 steps per ms) remains 94/94 properties
BEST_FIRST walk for 400004 steps (2490 resets) in 1404 ms. (284 steps per ms) remains 94/94 properties
BEST_FIRST walk for 400004 steps (945 resets) in 1556 ms. (256 steps per ms) remains 94/94 properties
BEST_FIRST walk for 400004 steps (2452 resets) in 1126 ms. (354 steps per ms) remains 94/94 properties
BEST_FIRST walk for 400002 steps (2499 resets) in 1328 ms. (300 steps per ms) remains 94/94 properties
BEST_FIRST walk for 400004 steps (2506 resets) in 1202 ms. (332 steps per ms) remains 94/94 properties
BEST_FIRST walk for 400002 steps (933 resets) in 1293 ms. (309 steps per ms) remains 94/94 properties
BEST_FIRST walk for 400004 steps (2456 resets) in 1282 ms. (311 steps per ms) remains 94/94 properties
BEST_FIRST walk for 400002 steps (936 resets) in 1479 ms. (270 steps per ms) remains 94/94 properties
BEST_FIRST walk for 400003 steps (2498 resets) in 1200 ms. (333 steps per ms) remains 94/94 properties
BEST_FIRST walk for 400002 steps (939 resets) in 1382 ms. (289 steps per ms) remains 94/94 properties
BEST_FIRST walk for 400002 steps (2506 resets) in 1369 ms. (291 steps per ms) remains 94/94 properties
BEST_FIRST walk for 400003 steps (925 resets) in 1489 ms. (268 steps per ms) remains 94/94 properties
BEST_FIRST walk for 400004 steps (2466 resets) in 1213 ms. (329 steps per ms) remains 94/94 properties
BEST_FIRST walk for 400003 steps (921 resets) in 1405 ms. (284 steps per ms) remains 94/94 properties
BEST_FIRST walk for 400001 steps (2499 resets) in 1261 ms. (316 steps per ms) remains 94/94 properties
BEST_FIRST walk for 400003 steps (2516 resets) in 1338 ms. (298 steps per ms) remains 94/94 properties
BEST_FIRST walk for 400003 steps (2402 resets) in 1300 ms. (307 steps per ms) remains 94/94 properties
BEST_FIRST walk for 400003 steps (2359 resets) in 1328 ms. (300 steps per ms) remains 94/94 properties
BEST_FIRST walk for 400003 steps (2415 resets) in 1231 ms. (324 steps per ms) remains 94/94 properties
BEST_FIRST walk for 400003 steps (2386 resets) in 1301 ms. (307 steps per ms) remains 94/94 properties
BEST_FIRST walk for 400003 steps (927 resets) in 1323 ms. (302 steps per ms) remains 94/94 properties
BEST_FIRST walk for 400004 steps (933 resets) in 1589 ms. (251 steps per ms) remains 94/94 properties
BEST_FIRST walk for 400003 steps (2461 resets) in 1231 ms. (324 steps per ms) remains 94/94 properties
BEST_FIRST walk for 400003 steps (2524 resets) in 1322 ms. (302 steps per ms) remains 94/94 properties
BEST_FIRST walk for 400004 steps (2493 resets) in 1106 ms. (361 steps per ms) remains 94/94 properties
BEST_FIRST walk for 400004 steps (2506 resets) in 1338 ms. (298 steps per ms) remains 94/94 properties
BEST_FIRST walk for 400003 steps (2514 resets) in 1279 ms. (312 steps per ms) remains 94/94 properties
BEST_FIRST walk for 400004 steps (2482 resets) in 1344 ms. (297 steps per ms) remains 94/94 properties
BEST_FIRST walk for 400003 steps (2484 resets) in 1243 ms. (321 steps per ms) remains 94/94 properties
BEST_FIRST walk for 400004 steps (2538 resets) in 1298 ms. (307 steps per ms) remains 94/94 properties
BEST_FIRST walk for 400004 steps (2538 resets) in 1209 ms. (330 steps per ms) remains 94/94 properties
BEST_FIRST walk for 400002 steps (2485 resets) in 1304 ms. (306 steps per ms) remains 94/94 properties
BEST_FIRST walk for 400003 steps (2473 resets) in 1559 ms. (256 steps per ms) remains 94/94 properties
BEST_FIRST walk for 400003 steps (2440 resets) in 1352 ms. (295 steps per ms) remains 94/94 properties
BEST_FIRST walk for 400002 steps (2503 resets) in 1206 ms. (331 steps per ms) remains 94/94 properties
BEST_FIRST walk for 400002 steps (2522 resets) in 1282 ms. (311 steps per ms) remains 94/94 properties
BEST_FIRST walk for 400004 steps (2490 resets) in 1248 ms. (320 steps per ms) remains 94/94 properties
BEST_FIRST walk for 400003 steps (2498 resets) in 1153 ms. (346 steps per ms) remains 93/94 properties
BEST_FIRST walk for 400003 steps (2508 resets) in 1168 ms. (342 steps per ms) remains 93/93 properties
BEST_FIRST walk for 400002 steps (2415 resets) in 1244 ms. (321 steps per ms) remains 93/93 properties
BEST_FIRST walk for 400003 steps (2432 resets) in 1290 ms. (309 steps per ms) remains 90/93 properties
BEST_FIRST walk for 400003 steps (2428 resets) in 1348 ms. (296 steps per ms) remains 90/90 properties
BEST_FIRST walk for 400003 steps (2494 resets) in 1256 ms. (318 steps per ms) remains 90/90 properties
BEST_FIRST walk for 400004 steps (2441 resets) in 1197 ms. (333 steps per ms) remains 90/90 properties
BEST_FIRST walk for 400003 steps (2470 resets) in 1211 ms. (330 steps per ms) remains 90/90 properties
BEST_FIRST walk for 400004 steps (2535 resets) in 1504 ms. (265 steps per ms) remains 90/90 properties
BEST_FIRST walk for 400004 steps (2551 resets) in 1192 ms. (335 steps per ms) remains 90/90 properties
BEST_FIRST walk for 400004 steps (2593 resets) in 1188 ms. (336 steps per ms) remains 90/90 properties
BEST_FIRST walk for 400003 steps (2586 resets) in 1175 ms. (340 steps per ms) remains 90/90 properties
BEST_FIRST walk for 400003 steps (2548 resets) in 1218 ms. (328 steps per ms) remains 90/90 properties
BEST_FIRST walk for 400004 steps (2552 resets) in 1162 ms. (343 steps per ms) remains 90/90 properties
BEST_FIRST walk for 400003 steps (2533 resets) in 1272 ms. (314 steps per ms) remains 90/90 properties
BEST_FIRST walk for 400002 steps (2550 resets) in 1274 ms. (313 steps per ms) remains 90/90 properties
BEST_FIRST walk for 400003 steps (2547 resets) in 1184 ms. (337 steps per ms) remains 90/90 properties
BEST_FIRST walk for 400003 steps (2539 resets) in 1322 ms. (302 steps per ms) remains 90/90 properties
BEST_FIRST walk for 400004 steps (2522 resets) in 1166 ms. (342 steps per ms) remains 90/90 properties
BEST_FIRST walk for 400004 steps (2435 resets) in 1272 ms. (314 steps per ms) remains 90/90 properties
BEST_FIRST walk for 400003 steps (2452 resets) in 1262 ms. (316 steps per ms) remains 90/90 properties
BEST_FIRST walk for 400003 steps (2515 resets) in 1265 ms. (315 steps per ms) remains 90/90 properties
BEST_FIRST walk for 400004 steps (2503 resets) in 1261 ms. (316 steps per ms) remains 90/90 properties
BEST_FIRST walk for 400003 steps (2479 resets) in 1256 ms. (318 steps per ms) remains 90/90 properties
BEST_FIRST walk for 400003 steps (2484 resets) in 1328 ms. (300 steps per ms) remains 90/90 properties
BEST_FIRST walk for 400003 steps (2569 resets) in 1477 ms. (270 steps per ms) remains 90/90 properties
BEST_FIRST walk for 400004 steps (2474 resets) in 1128 ms. (354 steps per ms) remains 90/90 properties
BEST_FIRST walk for 400003 steps (2536 resets) in 1253 ms. (318 steps per ms) remains 90/90 properties
BEST_FIRST walk for 400001 steps (2505 resets) in 1289 ms. (310 steps per ms) remains 90/90 properties
BEST_FIRST walk for 400002 steps (2511 resets) in 1225 ms. (326 steps per ms) remains 89/90 properties
BEST_FIRST walk for 400003 steps (2107 resets) in 1054 ms. (379 steps per ms) remains 89/89 properties
BEST_FIRST walk for 400003 steps (2139 resets) in 1057 ms. (378 steps per ms) remains 89/89 properties
BEST_FIRST walk for 400004 steps (2110 resets) in 1174 ms. (340 steps per ms) remains 89/89 properties
BEST_FIRST walk for 400004 steps (2145 resets) in 998 ms. (400 steps per ms) remains 88/89 properties
BEST_FIRST walk for 400004 steps (2164 resets) in 1048 ms. (381 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2146 resets) in 1073 ms. (372 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400003 steps (2479 resets) in 1237 ms. (323 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2512 resets) in 1222 ms. (327 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400003 steps (2537 resets) in 1188 ms. (336 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2470 resets) in 1344 ms. (297 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400003 steps (2508 resets) in 1200 ms. (333 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400001 steps (2530 resets) in 1286 ms. (310 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400002 steps (2515 resets) in 1300 ms. (307 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400003 steps (2514 resets) in 1252 ms. (319 steps per ms) remains 88/88 properties
[2026-05-24 09:45:21] [INFO ] Flow matrix only has 596 transitions (discarded 11 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4241693588103165190.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4939031284383412632.kers'
[2026-05-24 09:45:21] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4241693588103165190.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4939031284383412632.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 596 rows 215 cols 2275 entries
Finished phase 1 with 205 SingleSign rule and 0 generalized
[2026-05-24 09:45:21] [INFO ] Computed 10 invariants in 2 ms
Computed 10 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-4939031284383412632.kers
Total runtime 4 ms.
[2026-05-24 09:45:21] [INFO ] State equation strengthened by 73 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/59 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 1 (OVERLAPS) 90/149 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/149 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/149 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 4 (OVERLAPS) 55/204 variables, 5/12 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/204 variables, 3/15 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/204 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 7 (OVERLAPS) 596/800 variables, 204/219 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/800 variables, 73/292 constraints. Problems are: Problem set: 0 solved, 88 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/800 variables, 0/292 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 10 (OVERLAPS) 11/811 variables, 11/303 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Reachability property qltransition_1037 is true.
Reachability property qltransition_1035 is true.
Reachability property qltransition_1033 is true.
Reachability property qltransition_1029 is true.
Reachability property qltransition_1025 is true.
Reachability property qltransition_1021 is true.
Reachability property qltransition_1017 is true.
Reachability property qltransition_1013 is true.
Reachability property qltransition_1009 is true.
Reachability property qltransition_1006 is true.
Reachability property qltransition_1003 is true.
Reachability property qltransition_1000 is true.
Reachability property qltransition_997 is true.
Reachability property qltransition_994 is true.
Reachability property qltransition_991 is true.
Reachability property qltransition_976 is true.
Reachability property qltransition_973 is true.
Reachability property qltransition_970 is true.
Reachability property qltransition_967 is true.
Reachability property qltransition_964 is true.
Reachability property qltransition_961 is true.
At refinement iteration 11 (INCLUDED_ONLY) 0/811 variables, 0/303 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Reachability property qltransition_243 is true.
Reachability property qltransition_242 is true.
Reachability property qltransition_241 is true.
Reachability property qltransition_240 is true.
Reachability property qltransition_239 is true.
Reachability property qltransition_229 is true.
Reachability property qltransition_192 is true.
Reachability property qltransition_191 is true.
Reachability property qltransition_190 is true.
Reachability property qltransition_189 is true.
Reachability property qltransition_188 is true.
At refinement iteration 12 (OVERLAPS) 0/811 variables, 0/303 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Reachability property qltransition_160 is true.
Reachability property qltransition_159 is true.
Reachability property qltransition_158 is true.
Reachability property qltransition_157 is true.
Reachability property qltransition_150 is true.
Reachability property qltransition_56 is true.
Reachability property qltransition_55 is true.
Reachability property qltransition_54 is true.
Reachability property qltransition_53 is true.
Reachability property qltransition_52 is true.
Reachability property qltransition_51 is true.
Reachability property qltransition_50 is true.
Reachability property qltransition_49 is true.
Reachability property qltransition_48 is true.
Reachability property qltransition_47 is true.
SDD proceeding with computation,152 properties remain. new max is 131072
SDD size :6.63098e+07 after 1.34482e+08
No progress, stopping.
After SMT solving in domain Real declared 811/811 variables, and 303 constraints, problems are : Problem set: 0 solved, 88 unsolved in 12786 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 215/215 constraints, ReadFeed: 73/73 constraints, PredecessorRefiner: 88/88 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 88 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/59 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 1 (OVERLAPS) 90/149 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/149 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/149 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 4 (OVERLAPS) 55/204 variables, 5/12 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/204 variables, 3/15 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/204 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/204 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 8 (OVERLAPS) 596/800 variables, 204/220 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/800 variables, 73/293 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/800 variables, 84/377 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/800 variables, 0/377 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 12 (OVERLAPS) 11/811 variables, 11/388 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/811 variables, 4/392 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/811 variables, 0/392 constraints. Problems are: Problem set: 0 solved, 88 unsolved
SDD proceeding with computation,152 properties remain. new max is 262144
SDD size :1.34482e+08 after 1.42364e+08
At refinement iteration 15 (OVERLAPS) 0/811 variables, 0/392 constraints. Problems are: Problem set: 0 solved, 88 unsolved
No progress, stopping.
After SMT solving in domain Int declared 811/811 variables, and 392 constraints, problems are : Problem set: 0 solved, 88 unsolved in 81733 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 215/215 constraints, ReadFeed: 73/73 constraints, PredecessorRefiner: 88/88 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 94567ms problems are : Problem set: 0 solved, 88 unsolved
Parikh walk visited 0 properties in 24594 ms.
Support contains 59 out of 215 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 215/215 places, 607/607 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 213 transition count 605
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 213 transition count 605
Applied a total of 4 rules in 22 ms. Remains 213 /215 variables (removed 2) and now considering 605/607 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 22 ms. Remains : 213/215 places, 605/607 transitions.
RANDOM walk for 4000000 steps (127150 resets) in 49309 ms. (81 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400002 steps (934 resets) in 1378 ms. (290 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400003 steps (2472 resets) in 1170 ms. (341 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (919 resets) in 1416 ms. (282 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2476 resets) in 1202 ms. (332 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (928 resets) in 1366 ms. (292 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400002 steps (2487 resets) in 1292 ms. (309 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400003 steps (938 resets) in 1328 ms. (300 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2525 resets) in 1103 ms. (362 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (928 resets) in 1366 ms. (292 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2474 resets) in 1235 ms. (323 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400003 steps (950 resets) in 1401 ms. (285 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400003 steps (2454 resets) in 1354 ms. (295 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2480 resets) in 1320 ms. (302 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2452 resets) in 1349 ms. (296 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (939 resets) in 1370 ms. (291 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2422 resets) in 1357 ms. (294 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (921 resets) in 1365 ms. (292 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400003 steps (2511 resets) in 1226 ms. (326 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400002 steps (931 resets) in 1474 ms. (271 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400003 steps (2458 resets) in 1267 ms. (315 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (921 resets) in 1430 ms. (279 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2489 resets) in 1160 ms. (344 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (934 resets) in 1458 ms. (274 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2525 resets) in 1250 ms. (319 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2497 resets) in 1349 ms. (296 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400001 steps (2388 resets) in 1235 ms. (323 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400002 steps (2454 resets) in 1216 ms. (328 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2422 resets) in 1160 ms. (344 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2391 resets) in 1176 ms. (339 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400002 steps (912 resets) in 1482 ms. (269 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400003 steps (928 resets) in 1337 ms. (298 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2505 resets) in 1300 ms. (307 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400002 steps (2518 resets) in 1292 ms. (309 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400003 steps (2479 resets) in 1304 ms. (306 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2464 resets) in 1203 ms. (332 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2498 resets) in 1230 ms. (324 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2497 resets) in 1278 ms. (312 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400003 steps (2513 resets) in 1187 ms. (336 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400003 steps (2487 resets) in 1354 ms. (295 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2522 resets) in 1226 ms. (326 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2524 resets) in 1204 ms. (331 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2418 resets) in 1220 ms. (327 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2484 resets) in 1116 ms. (358 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2501 resets) in 1134 ms. (352 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400003 steps (2495 resets) in 1140 ms. (350 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400003 steps (2502 resets) in 1198 ms. (333 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2507 resets) in 1251 ms. (319 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2440 resets) in 1265 ms. (315 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400003 steps (2486 resets) in 1227 ms. (325 steps per ms) remains 88/88 properties
BEST_FIRST walk for 400004 steps (2492 resets) in 1202 ms. (332 steps per ms) remains 88/88 properties
Reachability property qltransition_331 is true.
Reachability property qltransition_330 is true.
Reachability property qltransition_321 is true.
Reachability property qltransition_320 is true.
Reachability property qltransition_319 is true.
Reachability property qltransition_318 is true.
Reachability property qltransition_316 is true.
Reachability property qltransition_220 is true.
Reachability property qltransition_113 is true.
SDD proceeding with computation,143 properties remain. new max is 262144
SDD size :1.42364e+08 after 2.29859e+08
Interrupted probabilistic random walk after 6942724 steps, run timeout after 102001 ms. (steps per millisecond=68 ) properties seen :0 out of 88
Probabilistic random walk after 6942724 steps, saw 2097883 distinct states, run finished after 102001 ms. (steps per millisecond=68 ) properties seen :0
[2026-05-24 09:49:37] [INFO ] Flow matrix only has 594 transitions (discarded 11 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6855146363384357887.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2674637290956917465.kers'
[2026-05-24 09:49:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6855146363384357887.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2674637290956917465.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 594 rows 213 cols 2267 entries
Finished phase 1 with 203 SingleSign rule and 0 generalized
[2026-05-24 09:49:37] [INFO ] Computed 10 invariants in 2 ms
Computed 10 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-2674637290956917465.kers
Total runtime 3 ms.
[2026-05-24 09:49:37] [INFO ] State equation strengthened by 73 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/59 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 1 (OVERLAPS) 90/149 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/149 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/149 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 4 (OVERLAPS) 53/202 variables, 5/12 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/202 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Detected timeout of ITS tools.
[2026-05-24 09:49:41] [INFO ] Flatten gal took : 92 ms
[2026-05-24 09:49:41] [INFO ] Applying decomposition
[2026-05-24 09:49:41] [INFO ] Flatten gal took : 69 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/graph10254006979574333025.txt' '-o' '/tmp/graph10254006979574333025.bin' '-w' '/tmp/graph10254006979574333025.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph10254006979574333025.bin' '-l' '-1' '-v' '-w' '/tmp/graph10254006979574333025.weights' '-q' '0' '-e' '0.001'
[2026-05-24 09:49:42] [INFO ] Decomposing Gal with order
[2026-05-24 09:49:42] [INFO ] Rewriting arrays to variables to allow decomposition.
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 88 unsolved
[2026-05-24 09:49:42] [INFO ] Removed a total of 1860 redundant transitions.
At refinement iteration 7 (OVERLAPS) 594/796 variables, 202/215 constraints. Problems are: Problem set: 0 solved, 88 unsolved
[2026-05-24 09:49:42] [INFO ] Flatten gal took : 289 ms
[2026-05-24 09:49:42] [INFO ] Fuse similar labels procedure discarded/fused a total of 456 labels/synchronizations in 69 ms.
[2026-05-24 09:49:42] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12399109483889650857.gal : 20 ms
[2026-05-24 09:49:42] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12207966683648464412.prop : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality12399109483889650857.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12207966683648464412.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 ...309
Loading property file /tmp/ReachabilityCardinality12207966683648464412.prop.
SDD proceeding with computation,88 properties remain. new max is 4
SDD size :1 after 28
SDD proceeding with computation,88 properties remain. new max is 8
SDD size :28 after 344
SDD proceeding with computation,88 properties remain. new max is 16
SDD size :344 after 4915
SDD proceeding with computation,88 properties remain. new max is 32
SDD size :4915 after 313327
SDD proceeding with computation,88 properties remain. new max is 64
SDD size :313327 after 1.49643e+06
SDD proceeding with computation,88 properties remain. new max is 128
SDD size :1.49643e+06 after 2.63232e+07
At refinement iteration 8 (INCLUDED_ONLY) 0/796 variables, 73/288 constraints. Problems are: Problem set: 0 solved, 88 unsolved
SDD proceeding with computation,88 properties remain. new max is 256
SDD size :2.73918e+08 after 3.10258e+08
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/796 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 10 (OVERLAPS) 11/807 variables, 11/299 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/807 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 12 (OVERLAPS) 0/807 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 88 unsolved
No progress, stopping.
After SMT solving in domain Real declared 807/807 variables, and 299 constraints, problems are : Problem set: 0 solved, 88 unsolved in 12082 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 213/213 constraints, ReadFeed: 73/73 constraints, PredecessorRefiner: 88/88 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 88 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/59 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 1 (OVERLAPS) 90/149 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/149 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/149 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 4 (OVERLAPS) 53/202 variables, 5/12 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/202 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/202 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 8 (OVERLAPS) 594/796 variables, 202/216 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/796 variables, 73/289 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/796 variables, 84/373 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/796 variables, 1/374 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Reachability property qltransition_619 is true.
Reachability property qltransition_328 is true.
Reachability property qltransition_327 is true.
Reachability property qltransition_325 is true.
Reachability property qltransition_263 is true.
Reachability property qltransition_224 is true.
Reachability property qltransition_213 is true.
Reachability property qltransition_174 is true.
Reachability property qltransition_144 is true.
Reachability property qltransition_118 is true.
Reachability property qltransition_104 is true.
Reachability property qltransition_103 is true.
Reachability property qltransition_101 is true.
SDD proceeding with computation,75 properties remain. new max is 256
SDD size :2.28046e+09 after 2.52387e+09
At refinement iteration 12 (INCLUDED_ONLY) 0/796 variables, 0/374 constraints. Problems are: Problem set: 13 solved, 75 unsolved
At refinement iteration 13 (OVERLAPS) 11/807 variables, 11/385 constraints. Problems are: Problem set: 13 solved, 75 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/807 variables, 4/389 constraints. Problems are: Problem set: 13 solved, 75 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/807 variables, 1/390 constraints. Problems are: Problem set: 13 solved, 75 unsolved
Reachability property qltransition_382 is true.
Reachability property qltransition_381 is true.
Reachability property qltransition_376 is true.
Reachability property qltransition_375 is true.
Reachability property qltransition_373 is true.
Reachability property qltransition_265 is true.
Reachability property qltransition_264 is true.
Reachability property qltransition_216 is true.
Reachability property qltransition_215 is true.
Reachability property qltransition_176 is true.
Reachability property qltransition_175 is true.
Reachability property qltransition_108 is true.
Reachability property qltransition_107 is true.
Reachability property qltransition_106 is true.
Reachability property qltransition_105 is true.
SDD proceeding with computation,60 properties remain. new max is 256
SDD size :7.69377e+09 after 8.24972e+09
At refinement iteration 16 (INCLUDED_ONLY) 0/807 variables, 0/390 constraints. Problems are: Problem set: 28 solved, 60 unsolved
At refinement iteration 17 (OVERLAPS) 0/807 variables, 0/390 constraints. Problems are: Problem set: 28 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Int declared 807/807 variables, and 390 constraints, problems are : Problem set: 28 solved, 60 unsolved in 101010 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 213/213 constraints, ReadFeed: 73/73 constraints, PredecessorRefiner: 88/88 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 113162ms problems are : Problem set: 28 solved, 60 unsolved
Reachability property qltransition_266 is true.
Reachability property qltransition_217 is true.
Reachability property qltransition_177 is true.
Reachability property qltransition_110 is true.
Reachability property qltransition_109 is true.
SDD proceeding with computation,55 properties remain. new max is 256
SDD size :1.25198e+10 after 1.25644e+10
SDD proceeding with computation,55 properties remain. new max is 512
SDD size :1.25644e+10 after 1.28544e+10
Parikh walk visited 0 properties in 30016 ms.
Support contains 38 out of 213 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 213/213 places, 605/605 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 207 transition count 596
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 207 transition count 596
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 0 with 2 rules applied. Total rules applied 14 place count 207 transition count 594
Free-agglomeration rule applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 15 place count 207 transition count 593
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 16 place count 206 transition count 593
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 17 place count 205 transition count 592
Iterating global reduction 1 with 1 rules applied. Total rules applied 18 place count 205 transition count 592
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 21 place count 205 transition count 589
Applied a total of 21 rules in 65 ms. Remains 205 /213 variables (removed 8) and now considering 589/605 (removed 16) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66 ms. Remains : 205/213 places, 589/605 transitions.
RANDOM walk for 4000000 steps (127002 resets) in 41397 ms. (96 steps per ms) remains 54/55 properties
BEST_FIRST walk for 400004 steps (917 resets) in 1285 ms. (311 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400004 steps (2527 resets) in 1062 ms. (376 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400004 steps (928 resets) in 1350 ms. (296 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400004 steps (2502 resets) in 1007 ms. (396 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400002 steps (949 resets) in 1262 ms. (316 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400002 steps (2468 resets) in 842 ms. (474 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400003 steps (942 resets) in 1059 ms. (377 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400004 steps (2515 resets) in 1056 ms. (378 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400003 steps (944 resets) in 1145 ms. (349 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400004 steps (2487 resets) in 1087 ms. (367 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400002 steps (936 resets) in 1319 ms. (303 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400004 steps (2490 resets) in 1125 ms. (355 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400003 steps (929 resets) in 1249 ms. (320 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400003 steps (2530 resets) in 1180 ms. (338 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400004 steps (2432 resets) in 955 ms. (418 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400003 steps (2415 resets) in 1084 ms. (368 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400002 steps (2436 resets) in 883 ms. (452 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400002 steps (2389 resets) in 1185 ms. (337 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400003 steps (937 resets) in 1204 ms. (331 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400004 steps (2534 resets) in 991 ms. (403 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400001 steps (2515 resets) in 1090 ms. (366 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400004 steps (2549 resets) in 990 ms. (403 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400003 steps (2529 resets) in 1199 ms. (333 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400003 steps (2518 resets) in 1013 ms. (394 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400003 steps (2507 resets) in 984 ms. (406 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400004 steps (2494 resets) in 966 ms. (413 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400004 steps (2476 resets) in 1109 ms. (360 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400004 steps (2467 resets) in 956 ms. (417 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400003 steps (2493 resets) in 1163 ms. (343 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400004 steps (2500 resets) in 1091 ms. (366 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400004 steps (2490 resets) in 1232 ms. (324 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400004 steps (2455 resets) in 1221 ms. (327 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400004 steps (2521 resets) in 1020 ms. (391 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400004 steps (2542 resets) in 1094 ms. (365 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400004 steps (2510 resets) in 964 ms. (414 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400004 steps (2546 resets) in 1133 ms. (352 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400003 steps (2610 resets) in 979 ms. (408 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400003 steps (2509 resets) in 1176 ms. (339 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400002 steps (2514 resets) in 984 ms. (406 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400004 steps (2575 resets) in 1164 ms. (343 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400003 steps (2565 resets) in 1156 ms. (345 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400003 steps (2489 resets) in 1196 ms. (334 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400004 steps (2534 resets) in 1020 ms. (391 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400003 steps (2483 resets) in 1191 ms. (335 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400003 steps (2566 resets) in 992 ms. (402 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400004 steps (2505 resets) in 1189 ms. (336 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400002 steps (2544 resets) in 955 ms. (418 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400004 steps (2470 resets) in 1173 ms. (340 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400003 steps (2483 resets) in 1124 ms. (355 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400004 steps (2530 resets) in 1075 ms. (371 steps per ms) remains 54/54 properties
Reachability property qltransition_615 is true.
Reachability property qltransition_613 is true.
Reachability property qltransition_611 is true.
Reachability property qltransition_322 is true.
Reachability property qltransition_267 is true.
Reachability property qltransition_219 is true.
Reachability property qltransition_218 is true.
Reachability property qltransition_178 is true.
Reachability property qltransition_112 is true.
Reachability property qltransition_111 is true.
Reachability property qltransition_42 is true.
Interrupted probabilistic random walk after 6715208 steps, run timeout after 90001 ms. (steps per millisecond=74 ) properties seen :0 out of 54
Probabilistic random walk after 6715208 steps, saw 2003399 distinct states, run finished after 90002 ms. (steps per millisecond=74 ) properties seen :0
[2026-05-24 09:54:01] [INFO ] Flow matrix only has 578 transitions (discarded 11 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12325124599314236553.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6514202896070085580.kers'
[2026-05-24 09:54:01] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12325124599314236553.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6514202896070085580.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 578 rows 205 cols 2211 entries
Finished phase 1 with 195 SingleSign rule and 0 generalized
[2026-05-24 09:54:01] [INFO ] Computed 10 invariants in 3 ms
Computed 10 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-6514202896070085580.kers
Total runtime 4 ms.
[2026-05-24 09:54:01] [INFO ] State equation strengthened by 70 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 1 (OVERLAPS) 56/87 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 44 unsolved
SDD proceeding with computation,44 properties remain. new max is 512
SDD size :1.82134e+10 after 2.28625e+10
At refinement iteration 2 (INCLUDED_ONLY) 0/87 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/87 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 4 (OVERLAPS) 107/194 variables, 6/11 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/194 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/194 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 8 (OVERLAPS) 578/772 variables, 194/209 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/772 variables, 70/279 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/772 variables, 0/279 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 11 (OVERLAPS) 11/783 variables, 11/290 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/783 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 13 (OVERLAPS) 0/783 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 44 unsolved
No progress, stopping.
After SMT solving in domain Real declared 783/783 variables, and 290 constraints, problems are : Problem set: 0 solved, 44 unsolved in 7467 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 205/205 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 44/44 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 44 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 1 (OVERLAPS) 56/87 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/87 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/87 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 4 (OVERLAPS) 107/194 variables, 6/11 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/194 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/194 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 8 (OVERLAPS) 578/772 variables, 194/210 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/772 variables, 70/280 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/772 variables, 40/320 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/772 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 12 (OVERLAPS) 11/783 variables, 11/331 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/783 variables, 4/335 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/783 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 15 (OVERLAPS) 0/783 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 44 unsolved
No progress, stopping.
After SMT solving in domain Int declared 783/783 variables, and 335 constraints, problems are : Problem set: 0 solved, 44 unsolved in 28712 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 205/205 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 44/44 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 36222ms problems are : Problem set: 0 solved, 44 unsolved
Parikh walk visited 0 properties in 22442 ms.
Support contains 31 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 589/589 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 204 transition count 588
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 204 transition count 588
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 203 transition count 582
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 203 transition count 582
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 202 transition count 580
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 202 transition count 580
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 201 transition count 577
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 201 transition count 577
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 200 transition count 575
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 200 transition count 575
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 199 transition count 572
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 199 transition count 572
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 198 transition count 570
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 198 transition count 570
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 197 transition count 567
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 197 transition count 567
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 196 transition count 565
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 196 transition count 565
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 19 place count 195 transition count 562
Iterating global reduction 0 with 1 rules applied. Total rules applied 20 place count 195 transition count 562
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 21 place count 194 transition count 560
Iterating global reduction 0 with 1 rules applied. Total rules applied 22 place count 194 transition count 560
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 23 place count 193 transition count 558
Iterating global reduction 0 with 1 rules applied. Total rules applied 24 place count 193 transition count 558
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 25 place count 192 transition count 556
Iterating global reduction 0 with 1 rules applied. Total rules applied 26 place count 192 transition count 556
Free-agglomeration rule applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 27 place count 192 transition count 555
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 28 place count 191 transition count 555
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 29 place count 190 transition count 554
Iterating global reduction 1 with 1 rules applied. Total rules applied 30 place count 190 transition count 554
Applied a total of 30 rules in 74 ms. Remains 190 /205 variables (removed 15) and now considering 554/589 (removed 35) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 76 ms. Remains : 190/205 places, 554/589 transitions.
RANDOM walk for 4000000 steps (129777 resets) in 37325 ms. (107 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400002 steps (929 resets) in 938 ms. (425 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (2577 resets) in 1113 ms. (359 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400003 steps (951 resets) in 1215 ms. (328 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400003 steps (2552 resets) in 867 ms. (460 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (925 resets) in 1578 ms. (253 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (2557 resets) in 882 ms. (453 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400003 steps (935 resets) in 1023 ms. (390 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (2528 resets) in 1117 ms. (357 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400003 steps (923 resets) in 1202 ms. (332 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (2601 resets) in 1078 ms. (370 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (928 resets) in 1160 ms. (344 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (2563 resets) in 965 ms. (414 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (2492 resets) in 908 ms. (440 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400003 steps (2508 resets) in 1036 ms. (385 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400002 steps (2491 resets) in 1134 ms. (352 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400003 steps (2384 resets) in 1124 ms. (355 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400002 steps (933 resets) in 1177 ms. (339 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400003 steps (2551 resets) in 1358 ms. (294 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (2604 resets) in 1004 ms. (398 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400003 steps (2604 resets) in 915 ms. (436 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400003 steps (2585 resets) in 1008 ms. (396 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400002 steps (2580 resets) in 811 ms. (492 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (2582 resets) in 1134 ms. (352 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400003 steps (2583 resets) in 940 ms. (425 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400002 steps (2560 resets) in 890 ms. (448 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (2591 resets) in 970 ms. (411 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (2538 resets) in 1102 ms. (362 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (2555 resets) in 909 ms. (439 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (2590 resets) in 1024 ms. (390 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400003 steps (2598 resets) in 911 ms. (438 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (2607 resets) in 1119 ms. (357 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400003 steps (2587 resets) in 934 ms. (427 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400002 steps (2596 resets) in 1218 ms. (328 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400003 steps (2606 resets) in 1021 ms. (391 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (2522 resets) in 1102 ms. (362 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (2601 resets) in 905 ms. (441 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (2575 resets) in 1106 ms. (361 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400003 steps (2625 resets) in 873 ms. (457 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400003 steps (2578 resets) in 1018 ms. (392 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400003 steps (2564 resets) in 883 ms. (452 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (2570 resets) in 1062 ms. (376 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (2607 resets) in 1285 ms. (311 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400003 steps (2652 resets) in 1135 ms. (352 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400003 steps (2522 resets) in 1027 ms. (389 steps per ms) remains 44/44 properties
Interrupted probabilistic random walk after 5456798 steps, run timeout after 78001 ms. (steps per millisecond=69 ) properties seen :0 out of 44
Probabilistic random walk after 5456798 steps, saw 1736606 distinct states, run finished after 78001 ms. (steps per millisecond=69 ) properties seen :0
[2026-05-24 09:56:45] [INFO ] Flow matrix only has 543 transitions (discarded 11 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6655508516217232677.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13533658725477935604.kers'
[2026-05-24 09:56:45] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6655508516217232677.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13533658725477935604.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 543 rows 190 cols 2073 entries
Finished phase 1 with 180 SingleSign rule and 0 generalized
[2026-05-24 09:56:45] [INFO ] Computed 10 invariants in 2 ms
Computed 10 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-13533658725477935604.kers
Total runtime 3 ms.
[2026-05-24 09:56:45] [INFO ] State equation strengthened by 70 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 1 (OVERLAPS) 55/86 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/86 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 4 (OVERLAPS) 93/179 variables, 6/11 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/179 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/179 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/179 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 8 (OVERLAPS) 543/722 variables, 179/193 constraints. Problems are: Problem set: 0 solved, 44 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/722 variables, 70/263 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/722 variables, 0/263 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 11 (OVERLAPS) 11/733 variables, 11/274 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/733 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 13 (OVERLAPS) 0/733 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 44 unsolved
No progress, stopping.
After SMT solving in domain Real declared 733/733 variables, and 274 constraints, problems are : Problem set: 0 solved, 44 unsolved in 4440 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 190/190 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 44/44 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 44 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 1 (OVERLAPS) 55/86 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/86 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 4 (OVERLAPS) 93/179 variables, 6/11 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/179 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/179 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/179 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 8 (OVERLAPS) 543/722 variables, 179/194 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/722 variables, 70/264 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/722 variables, 40/304 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/722 variables, 0/304 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 12 (OVERLAPS) 11/733 variables, 11/315 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/733 variables, 4/319 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/733 variables, 0/319 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 15 (OVERLAPS) 0/733 variables, 0/319 constraints. Problems are: Problem set: 0 solved, 44 unsolved
No progress, stopping.
After SMT solving in domain Int declared 733/733 variables, and 319 constraints, problems are : Problem set: 0 solved, 44 unsolved in 24258 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 190/190 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 44/44 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 28731ms problems are : Problem set: 0 solved, 44 unsolved
Fused 44 Parikh solutions to 43 different solutions.
Parikh walk visited 0 properties in 5928 ms.
Support contains 31 out of 190 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 190/190 places, 554/554 transitions.
Applied a total of 0 rules in 19 ms. Remains 190 /190 variables (removed 0) and now considering 554/554 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 190/190 places, 554/554 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 190/190 places, 554/554 transitions.
Applied a total of 0 rules in 9 ms. Remains 190 /190 variables (removed 0) and now considering 554/554 (removed 0) transitions.
[2026-05-24 09:57:19] [INFO ] Flow matrix only has 543 transitions (discarded 11 similar events)
[2026-05-24 09:57:19] [INFO ] Invariant cache hit.
[2026-05-24 09:57:19] [INFO ] Implicit Places using invariants in 188 ms returned []
[2026-05-24 09:57:19] [INFO ] Flow matrix only has 543 transitions (discarded 11 similar events)
[2026-05-24 09:57:19] [INFO ] Invariant cache hit.
[2026-05-24 09:57:20] [INFO ] State equation strengthened by 70 read => feed constraints.
[2026-05-24 09:57:20] [INFO ] Implicit Places using invariants and state equation in 765 ms returned []
Implicit Place search using SMT with State Equation took 955 ms to find 0 implicit places.
[2026-05-24 09:57:20] [INFO ] Redundant transitions in 55 ms returned []
Running 546 sub problems to find dead transitions.
[2026-05-24 09:57:20] [INFO ] Flow matrix only has 543 transitions (discarded 11 similar events)
[2026-05-24 09:57:20] [INFO ] Invariant cache hit.
[2026-05-24 09:57:20] [INFO ] State equation strengthened by 70 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/189 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 546 unsolved
At refinement iteration 1 (OVERLAPS) 1/190 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 546 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/190 variables, 9/19 constraints. Problems are: Problem set: 0 solved, 546 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/190 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 546 unsolved
At refinement iteration 4 (OVERLAPS) 543/733 variables, 190/209 constraints. Problems are: Problem set: 0 solved, 546 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/733 variables, 70/279 constraints. Problems are: Problem set: 0 solved, 546 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 6 (INCLUDED_ONLY) 0/733 variables, 0/279 constraints. Problems are: Problem set: 0 solved, 546 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 733/733 variables, and 279 constraints, problems are : Problem set: 0 solved, 546 unsolved in 30031 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 190/190 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 546/546 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 546 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/189 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 546 unsolved
At refinement iteration 1 (OVERLAPS) 1/190 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 546 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/190 variables, 9/19 constraints. Problems are: Problem set: 0 solved, 546 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/190 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 546 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 546 unsolved
At refinement iteration 5 (OVERLAPS) 543/733 variables, 190/210 constraints. Problems are: Problem set: 0 solved, 546 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/733 variables, 70/280 constraints. Problems are: Problem set: 0 solved, 546 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/733 variables, 546/826 constraints. Problems are: Problem set: 0 solved, 546 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 733/733 variables, and 826 constraints, problems are : Problem set: 0 solved, 546 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 190/190 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 546/546 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60335ms problems are : Problem set: 0 solved, 546 unsolved
Search for dead transitions found 0 dead transitions in 60338ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61373 ms. Remains : 190/190 places, 554/554 transitions.
RANDOM walk for 400000 steps (13101 resets) in 5401 ms. (74 steps per ms) remains 22/31 properties
Running SMT prover for 22 properties.
[2026-05-24 09:58:22] [INFO ] Flow matrix only has 543 transitions (discarded 11 similar events)
[2026-05-24 09:58:22] [INFO ] Invariant cache hit.
[2026-05-24 09:58:22] [INFO ] [Real]Absence check using 10 positive place invariants in 5 ms returned sat
[2026-05-24 09:58:23] [INFO ] After 229ms SMT Verify possible using state equation in real domain returned unsat :0 sat :22
[2026-05-24 09:58:23] [INFO ] State equation strengthened by 70 read => feed constraints.
[2026-05-24 09:58:23] [INFO ] After 113ms SMT Verify possible using 70 Read/Feed constraints in real domain returned unsat :0 sat :22
TRAPS : Iteration 0
[2026-05-24 09:58:23] [INFO ] After 900ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:22
[2026-05-24 09:58:23] [INFO ] After 1239ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:22
[2026-05-24 09:58:24] [INFO ] [Nat]Absence check using 10 positive place invariants in 6 ms returned sat
[2026-05-24 09:58:24] [INFO ] After 250ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :22
[2026-05-24 09:58:24] [INFO ] After 105ms SMT Verify possible using 70 Read/Feed constraints in natural domain returned unsat :0 sat :22
TRAPS : Iteration 0
[2026-05-24 09:58:25] [INFO ] After 774ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :22
[2026-05-24 09:58:25] [INFO ] After 1186ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :22
RANDOM walk for 4000000 steps (129809 resets) in 35003 ms. (114 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400003 steps (938 resets) in 1206 ms. (331 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (2583 resets) in 951 ms. (420 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400003 steps (949 resets) in 1229 ms. (325 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400002 steps (2573 resets) in 871 ms. (458 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400003 steps (958 resets) in 1095 ms. (364 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400002 steps (2529 resets) in 787 ms. (507 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400002 steps (945 resets) in 1022 ms. (391 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (2538 resets) in 970 ms. (411 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400002 steps (938 resets) in 1013 ms. (394 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400002 steps (2555 resets) in 872 ms. (458 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (949 resets) in 1047 ms. (381 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (2600 resets) in 1049 ms. (380 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (2481 resets) in 908 ms. (440 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (2537 resets) in 1104 ms. (361 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400003 steps (2487 resets) in 897 ms. (445 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (2426 resets) in 1027 ms. (389 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (931 resets) in 1159 ms. (344 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (2582 resets) in 986 ms. (405 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (2581 resets) in 1085 ms. (368 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400003 steps (2608 resets) in 1135 ms. (352 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400002 steps (2600 resets) in 916 ms. (436 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (2530 resets) in 1176 ms. (339 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400002 steps (2554 resets) in 998 ms. (400 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400002 steps (2560 resets) in 1137 ms. (351 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400003 steps (2509 resets) in 929 ms. (430 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400003 steps (2575 resets) in 913 ms. (437 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (2538 resets) in 889 ms. (449 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400003 steps (2520 resets) in 841 ms. (475 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400003 steps (2642 resets) in 873 ms. (457 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400002 steps (2573 resets) in 997 ms. (400 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400003 steps (2584 resets) in 954 ms. (418 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400002 steps (2632 resets) in 999 ms. (400 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (2590 resets) in 1106 ms. (361 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (2631 resets) in 921 ms. (433 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400002 steps (2532 resets) in 1003 ms. (398 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (2631 resets) in 935 ms. (427 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400003 steps (2569 resets) in 974 ms. (410 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400001 steps (2638 resets) in 971 ms. (411 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (2546 resets) in 893 ms. (447 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400002 steps (2542 resets) in 1045 ms. (382 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400002 steps (2552 resets) in 1064 ms. (375 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400003 steps (2572 resets) in 934 ms. (427 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (2603 resets) in 1085 ms. (368 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (2529 resets) in 1006 ms. (397 steps per ms) remains 44/44 properties
Detected timeout of ITS tools.
Interrupted probabilistic random walk after 6047239 steps, run timeout after 75001 ms. (steps per millisecond=80 ) properties seen :0 out of 44
Probabilistic random walk after 6047239 steps, saw 1892345 distinct states, run finished after 75002 ms. (steps per millisecond=80 ) properties seen :0
[2026-05-24 10:00:05] [INFO ] Flow matrix only has 543 transitions (discarded 11 similar events)
[2026-05-24 10:00:05] [INFO ] Invariant cache hit.
[2026-05-24 10:00:05] [INFO ] State equation strengthened by 70 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 1 (OVERLAPS) 55/86 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/86 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 4 (OVERLAPS) 93/179 variables, 6/11 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/179 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/179 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/179 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 8 (OVERLAPS) 543/722 variables, 179/193 constraints. Problems are: Problem set: 0 solved, 44 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/722 variables, 70/263 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/722 variables, 0/263 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 11 (OVERLAPS) 11/733 variables, 11/274 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/733 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 13 (OVERLAPS) 0/733 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 44 unsolved
No progress, stopping.
After SMT solving in domain Real declared 733/733 variables, and 274 constraints, problems are : Problem set: 0 solved, 44 unsolved in 4303 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 190/190 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 44/44 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 44 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 1 (OVERLAPS) 55/86 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/86 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 4 (OVERLAPS) 93/179 variables, 6/11 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/179 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/179 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/179 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 8 (OVERLAPS) 543/722 variables, 179/194 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/722 variables, 70/264 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/722 variables, 40/304 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/722 variables, 0/304 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 12 (OVERLAPS) 11/733 variables, 11/315 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/733 variables, 4/319 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/733 variables, 0/319 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 15 (OVERLAPS) 0/733 variables, 0/319 constraints. Problems are: Problem set: 0 solved, 44 unsolved
No progress, stopping.
After SMT solving in domain Int declared 733/733 variables, and 319 constraints, problems are : Problem set: 0 solved, 44 unsolved in 23485 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 190/190 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 44/44 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 27808ms problems are : Problem set: 0 solved, 44 unsolved
Fused 44 Parikh solutions to 43 different solutions.
Parikh walk visited 0 properties in 5366 ms.
Support contains 31 out of 190 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 190/190 places, 554/554 transitions.
Applied a total of 0 rules in 9 ms. Remains 190 /190 variables (removed 0) and now considering 554/554 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 190/190 places, 554/554 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 190/190 places, 554/554 transitions.
Applied a total of 0 rules in 10 ms. Remains 190 /190 variables (removed 0) and now considering 554/554 (removed 0) transitions.
[2026-05-24 10:00:38] [INFO ] Flow matrix only has 543 transitions (discarded 11 similar events)
[2026-05-24 10:00:38] [INFO ] Invariant cache hit.
[2026-05-24 10:00:39] [INFO ] Implicit Places using invariants in 241 ms returned []
[2026-05-24 10:00:39] [INFO ] Flow matrix only has 543 transitions (discarded 11 similar events)
[2026-05-24 10:00:39] [INFO ] Invariant cache hit.
[2026-05-24 10:00:39] [INFO ] State equation strengthened by 70 read => feed constraints.
[2026-05-24 10:00:40] [INFO ] Implicit Places using invariants and state equation in 947 ms returned []
Implicit Place search using SMT with State Equation took 1190 ms to find 0 implicit places.
[2026-05-24 10:00:40] [INFO ] Redundant transitions in 15 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1224 ms. Remains : 190/190 places, 554/554 transitions.
RANDOM walk for 400000 steps (12998 resets) in 2985 ms. (133 steps per ms) remains 22/31 properties
Running SMT prover for 22 properties.
[2026-05-24 10:00:40] [INFO ] Flow matrix only has 543 transitions (discarded 11 similar events)
[2026-05-24 10:00:40] [INFO ] Invariant cache hit.
[2026-05-24 10:00:40] [INFO ] [Real]Absence check using 10 positive place invariants in 4 ms returned sat
[2026-05-24 10:00:41] [INFO ] After 217ms SMT Verify possible using state equation in real domain returned unsat :0 sat :22
[2026-05-24 10:00:41] [INFO ] State equation strengthened by 70 read => feed constraints.
[2026-05-24 10:00:41] [INFO ] After 106ms SMT Verify possible using 70 Read/Feed constraints in real domain returned unsat :0 sat :22
TRAPS : Iteration 0
[2026-05-24 10:00:42] [INFO ] After 822ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:22
[2026-05-24 10:00:42] [INFO ] After 1120ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:22
[2026-05-24 10:00:42] [INFO ] [Nat]Absence check using 10 positive place invariants in 4 ms returned sat
[2026-05-24 10:00:42] [INFO ] After 225ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :22
[2026-05-24 10:00:42] [INFO ] After 101ms SMT Verify possible using 70 Read/Feed constraints in natural domain returned unsat :0 sat :22
TRAPS : Iteration 0
[2026-05-24 10:00:43] [INFO ] After 772ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :22
[2026-05-24 10:00:43] [INFO ] After 1152ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :22
RANDOM walk for 195 steps (5 resets) in 6 ms. (27 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1285 resets) in 147 ms. (270 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (258 resets) in 119 ms. (333 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 642172 steps, run timeout after 3001 ms. (steps per millisecond=213 ) properties seen :0 out of 1
Probabilistic random walk after 642172 steps, saw 209118 distinct states, run finished after 3001 ms. (steps per millisecond=213 ) properties seen :0
[2026-05-24 10:00:46] [INFO ] Flow matrix only has 543 transitions (discarded 11 similar events)
[2026-05-24 10:00:46] [INFO ] Invariant cache hit.
[2026-05-24 10:00:46] [INFO ] State equation strengthened by 70 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) 56/57 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 118/175 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/175 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/175 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 543/718 variables, 175/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/718 variables, 70/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/718 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 15/733 variables, 15/273 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/733 variables, 0/273 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/733 variables, 0/273 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 733/733 variables, and 273 constraints, problems are : Problem set: 0 solved, 1 unsolved in 586 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 190/190 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 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) 56/57 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 118/175 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/175 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/175 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 543/718 variables, 175/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/718 variables, 70/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/718 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/718 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 15/733 variables, 15/274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/733 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/733 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 733/733 variables, and 274 constraints, problems are : Problem set: 0 solved, 1 unsolved in 410 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 190/190 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1003ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 10 ms.
Support contains 1 out of 190 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 190/190 places, 554/554 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 184 transition count 545
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 184 transition count 545
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 183 transition count 539
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 183 transition count 539
Free-agglomeration rule applied 4 times.
Iterating global reduction 0 with 4 rules applied. Total rules applied 18 place count 183 transition count 535
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 22 place count 179 transition count 535
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 23 place count 178 transition count 534
Iterating global reduction 1 with 1 rules applied. Total rules applied 24 place count 178 transition count 534
Applied a total of 24 rules in 29 ms. Remains 178 /190 variables (removed 12) and now considering 534/554 (removed 20) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29 ms. Remains : 178/190 places, 534/554 transitions.
RANDOM walk for 40000 steps (1355 resets) in 225 ms. (176 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (248 resets) in 58 ms. (678 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 761916 steps, run timeout after 3001 ms. (steps per millisecond=253 ) properties seen :0 out of 1
Probabilistic random walk after 761916 steps, saw 210284 distinct states, run finished after 3004 ms. (steps per millisecond=253 ) properties seen :0
[2026-05-24 10:00:50] [INFO ] Flow matrix only has 523 transitions (discarded 11 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6542820938208503228.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13601990085407929845.kers'
[2026-05-24 10:00:50] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6542820938208503228.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13601990085407929845.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 523 rows 178 cols 1948 entries
Finished phase 1 with 168 SingleSign rule and 0 generalized
[2026-05-24 10:00:50] [INFO ] Computed 10 invariants in 2 ms
Computed 10 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-13601990085407929845.kers
Total runtime 3 ms.
[2026-05-24 10:00:50] [INFO ] State equation strengthened by 98 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) 51/52 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/52 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 114/166 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/166 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/166 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 523/689 variables, 166/178 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/689 variables, 98/276 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/689 variables, 0/276 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 12/701 variables, 12/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/701 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/701 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 701/701 variables, and 288 constraints, problems are : Problem set: 0 solved, 1 unsolved in 534 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 178/178 constraints, ReadFeed: 98/98 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 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) 51/52 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/52 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 114/166 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/166 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/166 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/166 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 523/689 variables, 166/179 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/689 variables, 98/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/689 variables, 1/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/689 variables, 0/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 12/701 variables, 12/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/701 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/701 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 701/701 variables, and 290 constraints, problems are : Problem set: 0 solved, 1 unsolved in 488 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 178/178 constraints, ReadFeed: 98/98 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1036ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 18 ms.
Support contains 1 out of 178 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 178/178 places, 534/534 transitions.
Applied a total of 0 rules in 12 ms. Remains 178 /178 variables (removed 0) and now considering 534/534 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 178/178 places, 534/534 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 178/178 places, 534/534 transitions.
Applied a total of 0 rules in 11 ms. Remains 178 /178 variables (removed 0) and now considering 534/534 (removed 0) transitions.
[2026-05-24 10:00:51] [INFO ] Flow matrix only has 523 transitions (discarded 11 similar events)
[2026-05-24 10:00:51] [INFO ] Invariant cache hit.
[2026-05-24 10:00:51] [INFO ] Implicit Places using invariants in 304 ms returned []
[2026-05-24 10:00:51] [INFO ] Flow matrix only has 523 transitions (discarded 11 similar events)
[2026-05-24 10:00:51] [INFO ] Invariant cache hit.
[2026-05-24 10:00:52] [INFO ] State equation strengthened by 98 read => feed constraints.
[2026-05-24 10:00:52] [INFO ] Implicit Places using invariants and state equation in 640 ms returned []
Implicit Place search using SMT with State Equation took 947 ms to find 0 implicit places.
[2026-05-24 10:00:52] [INFO ] Redundant transitions in 7 ms returned []
Running 526 sub problems to find dead transitions.
[2026-05-24 10:00:52] [INFO ] Flow matrix only has 523 transitions (discarded 11 similar events)
[2026-05-24 10:00:52] [INFO ] Invariant cache hit.
[2026-05-24 10:00:52] [INFO ] State equation strengthened by 98 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/177 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 526 unsolved
At refinement iteration 1 (OVERLAPS) 1/178 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 526 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/178 variables, 9/19 constraints. Problems are: Problem set: 0 solved, 526 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/178 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 526 unsolved
At refinement iteration 4 (OVERLAPS) 523/701 variables, 178/197 constraints. Problems are: Problem set: 0 solved, 526 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/701 variables, 98/295 constraints. Problems are: Problem set: 0 solved, 526 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 701/701 variables, and 295 constraints, problems are : Problem set: 0 solved, 526 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 178/178 constraints, ReadFeed: 98/98 constraints, PredecessorRefiner: 526/526 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 526 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/177 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 526 unsolved
At refinement iteration 1 (OVERLAPS) 1/178 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 526 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/178 variables, 9/19 constraints. Problems are: Problem set: 0 solved, 526 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/178 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 526 unsolved
At refinement iteration 4 (OVERLAPS) 523/701 variables, 178/197 constraints. Problems are: Problem set: 0 solved, 526 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/701 variables, 98/295 constraints. Problems are: Problem set: 0 solved, 526 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/701 variables, 526/821 constraints. Problems are: Problem set: 0 solved, 526 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 701/701 variables, and 821 constraints, problems are : Problem set: 0 solved, 526 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 178/178 constraints, ReadFeed: 98/98 constraints, PredecessorRefiner: 526/526 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60258ms problems are : Problem set: 0 solved, 526 unsolved
Search for dead transitions found 0 dead transitions in 60260ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61238 ms. Remains : 178/178 places, 534/534 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 119 edges and 178 vertex of which 29 / 178 are part of one of the 4 SCC in 1 ms
Free SCC test removed 25 places
Drop transitions (Empty/Sink Transition effects.) removed 148 transitions
Ensure Unique test removed 27 transitions
Reduce isomorphic transitions removed 175 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 4 place count 150 transition count 356
Iterating global reduction 0 with 3 rules applied. Total rules applied 7 place count 150 transition count 356
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 0 with 15 rules applied. Total rules applied 22 place count 150 transition count 341
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 24 place count 149 transition count 340
Drop transitions (Redundant composition of simpler transitions.) removed 27 transitions
Redundant transition composition rules discarded 27 transitions
Iterating global reduction 1 with 27 rules applied. Total rules applied 51 place count 149 transition count 313
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 1 with 6 rules applied. Total rules applied 57 place count 149 transition count 307
Reduce places removed 6 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 9 rules applied. Total rules applied 66 place count 143 transition count 304
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 3 Pre rules applied. Total rules applied 66 place count 143 transition count 301
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 3 with 6 rules applied. Total rules applied 72 place count 140 transition count 301
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 74 place count 139 transition count 300
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 75 place count 139 transition count 299
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 77 place count 138 transition count 298
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 78 place count 137 transition count 260
Iterating global reduction 3 with 1 rules applied. Total rules applied 79 place count 137 transition count 260
Free-agglomeration rule applied 3 times.
Iterating global reduction 3 with 3 rules applied. Total rules applied 82 place count 137 transition count 257
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 85 place count 134 transition count 257
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 4 with 6 rules applied. Total rules applied 91 place count 134 transition count 251
Free-agglomeration rule applied 3 times.
Iterating global reduction 4 with 3 rules applied. Total rules applied 94 place count 134 transition count 248
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 97 place count 131 transition count 248
Partial Free-agglomeration rule applied 6 times.
Drop transitions (Partial Free agglomeration) removed 6 transitions
Iterating global reduction 5 with 6 rules applied. Total rules applied 103 place count 131 transition count 248
Applied a total of 103 rules in 102 ms. Remains 131 /178 variables (removed 47) and now considering 248/534 (removed 286) transitions.
Running SMT prover for 1 properties.
[2026-05-24 10:01:52] [INFO ] Flow matrix only has 244 transitions (discarded 4 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4761494916708624432.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9423229055736548038.kers'
[2026-05-24 10:01:52] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4761494916708624432.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9423229055736548038.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 244 rows 131 cols 978 entries
Finished phase 1 with 121 SingleSign rule and 0 generalized
[2026-05-24 10:01:52] [INFO ] Computed 10 invariants in 1 ms
Computed 10 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-9423229055736548038.kers
Total runtime 2 ms.
[2026-05-24 10:01:52] [INFO ] [Real]Absence check using 10 positive place invariants in 26 ms returned sat
[2026-05-24 10:01:53] [INFO ] After 220ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2026-05-24 10:01:53] [INFO ] [Nat]Absence check using 10 positive place invariants in 6 ms returned sat
[2026-05-24 10:01:53] [INFO ] After 138ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2026-05-24 10:01:53] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 10:01:53] [INFO ] After 28ms SMT Verify possible using 8 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-24 10:01:53] [INFO ] After 51ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-24 10:01:53] [INFO ] After 280ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 633 ms.
RANDOM walk for 184 steps (1 resets) in 5 ms. (30 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1295 resets) in 225 ms. (176 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (272 resets) in 82 ms. (481 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 538650 steps, run timeout after 3001 ms. (steps per millisecond=179 ) properties seen :0 out of 1
Probabilistic random walk after 538650 steps, saw 181049 distinct states, run finished after 3001 ms. (steps per millisecond=179 ) properties seen :0
[2026-05-24 10:01:56] [INFO ] Flow matrix only has 543 transitions (discarded 11 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10829921866332457921.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16571085541392981087.kers'
[2026-05-24 10:01:56] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10829921866332457921.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16571085541392981087.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 543 rows 190 cols 2073 entries
Finished phase 1 with 180 SingleSign rule and 0 generalized
[2026-05-24 10:01:56] [INFO ] Computed 10 invariants in 2 ms
Computed 10 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-16571085541392981087.kers
Total runtime 3 ms.
[2026-05-24 10:01:56] [INFO ] State equation strengthened by 70 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) 56/57 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 118/175 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/175 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/175 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 543/718 variables, 175/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/718 variables, 70/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/718 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 15/733 variables, 15/273 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/733 variables, 0/273 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/733 variables, 0/273 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 733/733 variables, and 273 constraints, problems are : Problem set: 0 solved, 1 unsolved in 682 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 190/190 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 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) 56/57 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 118/175 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/175 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/175 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 543/718 variables, 175/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/718 variables, 70/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/718 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/718 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 15/733 variables, 15/274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/733 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/733 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 733/733 variables, and 274 constraints, problems are : Problem set: 0 solved, 1 unsolved in 578 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 190/190 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1274ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 20 ms.
Support contains 1 out of 190 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 190/190 places, 554/554 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 184 transition count 545
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 184 transition count 545
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 183 transition count 539
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 183 transition count 539
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 182 transition count 537
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 182 transition count 537
Free-agglomeration rule applied 4 times.
Iterating global reduction 0 with 4 rules applied. Total rules applied 20 place count 182 transition count 533
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 24 place count 178 transition count 533
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 25 place count 177 transition count 532
Iterating global reduction 1 with 1 rules applied. Total rules applied 26 place count 177 transition count 532
Applied a total of 26 rules in 59 ms. Remains 177 /190 variables (removed 13) and now considering 532/554 (removed 22) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 59 ms. Remains : 177/190 places, 532/554 transitions.
RANDOM walk for 40000 steps (1323 resets) in 244 ms. (163 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (261 resets) in 89 ms. (444 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 655464 steps, run timeout after 3001 ms. (steps per millisecond=218 ) properties seen :0 out of 1
Probabilistic random walk after 655464 steps, saw 182466 distinct states, run finished after 3001 ms. (steps per millisecond=218 ) properties seen :0
[2026-05-24 10:02:00] [INFO ] Flow matrix only has 521 transitions (discarded 11 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-455285066999642194.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1568865304620926339.kers'
[2026-05-24 10:02:00] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-455285066999642194.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1568865304620926339.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 521 rows 177 cols 1940 entries
Finished phase 1 with 167 SingleSign rule and 0 generalized
[2026-05-24 10:02:00] [INFO ] Computed 10 invariants in 2 ms
Computed 10 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-1568865304620926339.kers
Total runtime 3 ms.
[2026-05-24 10:02:00] [INFO ] State equation strengthened by 98 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) 50/51 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 114/165 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/165 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/165 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 521/686 variables, 165/178 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/686 variables, 98/276 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/686 variables, 0/276 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 12/698 variables, 12/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/698 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/698 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 698/698 variables, and 288 constraints, problems are : Problem set: 0 solved, 1 unsolved in 568 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 177/177 constraints, ReadFeed: 98/98 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 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) 50/51 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 114/165 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/165 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/165 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 521/686 variables, 165/178 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/686 variables, 98/276 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/686 variables, 1/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/686 variables, 0/277 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 12/698 variables, 12/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/698 variables, 0/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/698 variables, 0/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 698/698 variables, and 289 constraints, problems are : Problem set: 0 solved, 1 unsolved in 354 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 177/177 constraints, ReadFeed: 98/98 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 934ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 13 ms.
Support contains 1 out of 177 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 177/177 places, 532/532 transitions.
Applied a total of 0 rules in 8 ms. Remains 177 /177 variables (removed 0) and now considering 532/532 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 177/177 places, 532/532 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 177/177 places, 532/532 transitions.
Applied a total of 0 rules in 8 ms. Remains 177 /177 variables (removed 0) and now considering 532/532 (removed 0) transitions.
[2026-05-24 10:02:01] [INFO ] Flow matrix only has 521 transitions (discarded 11 similar events)
[2026-05-24 10:02:01] [INFO ] Invariant cache hit.
[2026-05-24 10:02:02] [INFO ] Implicit Places using invariants in 251 ms returned []
[2026-05-24 10:02:02] [INFO ] Flow matrix only has 521 transitions (discarded 11 similar events)
[2026-05-24 10:02:02] [INFO ] Invariant cache hit.
[2026-05-24 10:02:02] [INFO ] State equation strengthened by 98 read => feed constraints.
[2026-05-24 10:02:02] [INFO ] Implicit Places using invariants and state equation in 727 ms returned []
Implicit Place search using SMT with State Equation took 989 ms to find 0 implicit places.
[2026-05-24 10:02:02] [INFO ] Redundant transitions in 5 ms returned []
Running 524 sub problems to find dead transitions.
[2026-05-24 10:02:02] [INFO ] Flow matrix only has 521 transitions (discarded 11 similar events)
[2026-05-24 10:02:02] [INFO ] Invariant cache hit.
[2026-05-24 10:02:02] [INFO ] State equation strengthened by 98 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/176 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 524 unsolved
At refinement iteration 1 (OVERLAPS) 1/177 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 524 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/177 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 524 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/177 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 524 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 177/698 variables, and 19 constraints, problems are : Problem set: 0 solved, 524 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 0/177 constraints, ReadFeed: 0/98 constraints, PredecessorRefiner: 524/524 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 524 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/176 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 524 unsolved
At refinement iteration 1 (OVERLAPS) 1/177 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 524 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/177 variables, 9/19 constraints. Problems are: Problem set: 0 solved, 524 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/177 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 524 unsolved
At refinement iteration 4 (OVERLAPS) 521/698 variables, 177/196 constraints. Problems are: Problem set: 0 solved, 524 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/698 variables, 98/294 constraints. Problems are: Problem set: 0 solved, 524 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/698 variables, 524/818 constraints. Problems are: Problem set: 0 solved, 524 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 698/698 variables, and 818 constraints, problems are : Problem set: 0 solved, 524 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 177/177 constraints, ReadFeed: 98/98 constraints, PredecessorRefiner: 524/524 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60363ms problems are : Problem set: 0 solved, 524 unsolved
Search for dead transitions found 0 dead transitions in 60364ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61375 ms. Remains : 177/177 places, 532/532 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 119 edges and 177 vertex of which 29 / 177 are part of one of the 4 SCC in 1 ms
Free SCC test removed 25 places
Drop transitions (Empty/Sink Transition effects.) removed 148 transitions
Ensure Unique test removed 27 transitions
Reduce isomorphic transitions removed 175 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 4 place count 149 transition count 354
Iterating global reduction 0 with 3 rules applied. Total rules applied 7 place count 149 transition count 354
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 0 with 15 rules applied. Total rules applied 22 place count 149 transition count 339
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 24 place count 148 transition count 338
Drop transitions (Redundant composition of simpler transitions.) removed 27 transitions
Redundant transition composition rules discarded 27 transitions
Iterating global reduction 1 with 27 rules applied. Total rules applied 51 place count 148 transition count 311
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 1 with 6 rules applied. Total rules applied 57 place count 148 transition count 305
Reduce places removed 6 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 9 rules applied. Total rules applied 66 place count 142 transition count 302
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 3 Pre rules applied. Total rules applied 66 place count 142 transition count 299
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 3 with 6 rules applied. Total rules applied 72 place count 139 transition count 299
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 74 place count 138 transition count 298
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 75 place count 138 transition count 297
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 77 place count 137 transition count 296
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 78 place count 136 transition count 258
Iterating global reduction 3 with 1 rules applied. Total rules applied 79 place count 136 transition count 258
Free-agglomeration rule applied 3 times.
Iterating global reduction 3 with 3 rules applied. Total rules applied 82 place count 136 transition count 255
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 85 place count 133 transition count 255
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 4 with 6 rules applied. Total rules applied 91 place count 133 transition count 249
Free-agglomeration rule applied 3 times.
Iterating global reduction 4 with 3 rules applied. Total rules applied 94 place count 133 transition count 246
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 97 place count 130 transition count 246
Partial Free-agglomeration rule applied 6 times.
Drop transitions (Partial Free agglomeration) removed 6 transitions
Iterating global reduction 5 with 6 rules applied. Total rules applied 103 place count 130 transition count 246
Applied a total of 103 rules in 52 ms. Remains 130 /177 variables (removed 47) and now considering 246/532 (removed 286) transitions.
Running SMT prover for 1 properties.
[2026-05-24 10:03:03] [INFO ] Flow matrix only has 242 transitions (discarded 4 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12719015197702924004.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17973087910567834767.kers'
[2026-05-24 10:03:03] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12719015197702924004.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17973087910567834767.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 242 rows 130 cols 970 entries
Finished phase 1 with 120 SingleSign rule and 0 generalized
[2026-05-24 10:03:03] [INFO ] Computed 10 invariants in 2 ms
Computed 10 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-17973087910567834767.kers
Total runtime 3 ms.
[2026-05-24 10:03:03] [INFO ] [Real]Absence check using 10 positive place invariants in 5 ms returned sat
[2026-05-24 10:03:03] [INFO ] After 172ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2026-05-24 10:03:03] [INFO ] [Nat]Absence check using 10 positive place invariants in 7 ms returned sat
[2026-05-24 10:03:03] [INFO ] After 149ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2026-05-24 10:03:03] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 10:03:03] [INFO ] After 21ms SMT Verify possible using 8 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-24 10:03:03] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 98 ms
TRAPS : Iteration 1
[2026-05-24 10:03:03] [INFO ] After 167ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-24 10:03:03] [INFO ] After 422ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 667 ms.
RANDOM walk for 40000 steps (1314 resets) in 174 ms. (228 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (251 resets) in 51 ms. (769 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 471766 steps, run timeout after 3001 ms. (steps per millisecond=157 ) properties seen :0 out of 1
Probabilistic random walk after 471766 steps, saw 159862 distinct states, run finished after 3004 ms. (steps per millisecond=157 ) properties seen :0
[2026-05-24 10:03:07] [INFO ] Flow matrix only has 543 transitions (discarded 11 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5248068318526691577.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5565296761297046184.kers'
[2026-05-24 10:03:07] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5248068318526691577.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5565296761297046184.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 543 rows 190 cols 2073 entries
Finished phase 1 with 180 SingleSign rule and 0 generalized
[2026-05-24 10:03:07] [INFO ] Computed 10 invariants in 5 ms
Computed 10 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-5565296761297046184.kers
Total runtime 6 ms.
[2026-05-24 10:03:07] [INFO ] State equation strengthened by 70 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) 56/57 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 118/175 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/175 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/175 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 543/718 variables, 175/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/718 variables, 70/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/718 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 15/733 variables, 15/273 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/733 variables, 0/273 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/733 variables, 0/273 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 733/733 variables, and 273 constraints, problems are : Problem set: 0 solved, 1 unsolved in 786 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 190/190 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 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) 56/57 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 118/175 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/175 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/175 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 543/718 variables, 175/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/718 variables, 70/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/718 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/718 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 15/733 variables, 15/274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/733 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/733 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 733/733 variables, and 274 constraints, problems are : Problem set: 0 solved, 1 unsolved in 480 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 190/190 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1284ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 30 ms.
Support contains 1 out of 190 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 190/190 places, 554/554 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 184 transition count 545
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 184 transition count 545
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 183 transition count 539
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 183 transition count 539
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 182 transition count 537
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 182 transition count 537
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 181 transition count 534
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 181 transition count 534
Free-agglomeration rule applied 4 times.
Iterating global reduction 0 with 4 rules applied. Total rules applied 22 place count 181 transition count 530
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 26 place count 177 transition count 530
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 27 place count 176 transition count 529
Iterating global reduction 1 with 1 rules applied. Total rules applied 28 place count 176 transition count 529
Applied a total of 28 rules in 44 ms. Remains 176 /190 variables (removed 14) and now considering 529/554 (removed 25) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45 ms. Remains : 176/190 places, 529/554 transitions.
RANDOM walk for 40000 steps (1323 resets) in 176 ms. (225 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (243 resets) in 60 ms. (655 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 716478 steps, run timeout after 3001 ms. (steps per millisecond=238 ) properties seen :0 out of 1
Probabilistic random walk after 716478 steps, saw 197348 distinct states, run finished after 3004 ms. (steps per millisecond=238 ) properties seen :0
[2026-05-24 10:03:11] [INFO ] Flow matrix only has 518 transitions (discarded 11 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5233320978070014149.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2926216965546040795.kers'
[2026-05-24 10:03:11] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5233320978070014149.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2926216965546040795.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 518 rows 176 cols 1930 entries
Finished phase 1 with 166 SingleSign rule and 0 generalized
[2026-05-24 10:03:11] [INFO ] Computed 10 invariants in 4 ms
Computed 10 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-2926216965546040795.kers
Total runtime 6 ms.
[2026-05-24 10:03:11] [INFO ] State equation strengthened by 97 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) 49/50 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/50 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 114/164 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/164 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/164 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 518/682 variables, 164/177 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/682 variables, 97/274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/682 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 12/694 variables, 12/286 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/694 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/694 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 694/694 variables, and 286 constraints, problems are : Problem set: 0 solved, 1 unsolved in 745 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 176/176 constraints, ReadFeed: 97/97 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 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) 49/50 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/50 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 114/164 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/164 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/164 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 518/682 variables, 164/177 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/682 variables, 97/274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/682 variables, 1/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/682 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 12/694 variables, 12/287 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/694 variables, 0/287 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/694 variables, 0/287 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 694/694 variables, and 287 constraints, problems are : Problem set: 0 solved, 1 unsolved in 548 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 176/176 constraints, ReadFeed: 97/97 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1308ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 18 ms.
Support contains 1 out of 176 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 176/176 places, 529/529 transitions.
Applied a total of 0 rules in 12 ms. Remains 176 /176 variables (removed 0) and now considering 529/529 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 176/176 places, 529/529 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 176/176 places, 529/529 transitions.
Applied a total of 0 rules in 11 ms. Remains 176 /176 variables (removed 0) and now considering 529/529 (removed 0) transitions.
[2026-05-24 10:03:12] [INFO ] Flow matrix only has 518 transitions (discarded 11 similar events)
[2026-05-24 10:03:12] [INFO ] Invariant cache hit.
[2026-05-24 10:03:13] [INFO ] Implicit Places using invariants in 322 ms returned []
[2026-05-24 10:03:13] [INFO ] Flow matrix only has 518 transitions (discarded 11 similar events)
[2026-05-24 10:03:13] [INFO ] Invariant cache hit.
[2026-05-24 10:03:13] [INFO ] State equation strengthened by 97 read => feed constraints.
[2026-05-24 10:03:13] [INFO ] Implicit Places using invariants and state equation in 861 ms returned []
Implicit Place search using SMT with State Equation took 1190 ms to find 0 implicit places.
[2026-05-24 10:03:14] [INFO ] Redundant transitions in 8 ms returned []
Running 521 sub problems to find dead transitions.
[2026-05-24 10:03:14] [INFO ] Flow matrix only has 518 transitions (discarded 11 similar events)
[2026-05-24 10:03:14] [INFO ] Invariant cache hit.
[2026-05-24 10:03:14] [INFO ] State equation strengthened by 97 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/175 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 521 unsolved
At refinement iteration 1 (OVERLAPS) 1/176 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 521 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/176 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 521 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/176 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 521 unsolved
At refinement iteration 4 (OVERLAPS) 518/694 variables, 176/194 constraints. Problems are: Problem set: 0 solved, 521 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/694 variables, 97/291 constraints. Problems are: Problem set: 0 solved, 521 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 694/694 variables, and 292 constraints, problems are : Problem set: 0 solved, 521 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 176/176 constraints, ReadFeed: 97/97 constraints, PredecessorRefiner: 521/521 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 521 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/175 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 521 unsolved
At refinement iteration 1 (OVERLAPS) 1/176 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 521 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/176 variables, 9/19 constraints. Problems are: Problem set: 0 solved, 521 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/176 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 521 unsolved
At refinement iteration 4 (OVERLAPS) 518/694 variables, 176/195 constraints. Problems are: Problem set: 0 solved, 521 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/694 variables, 97/292 constraints. Problems are: Problem set: 0 solved, 521 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/694 variables, 521/813 constraints. Problems are: Problem set: 0 solved, 521 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 694/694 variables, and 813 constraints, problems are : Problem set: 0 solved, 521 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 176/176 constraints, ReadFeed: 97/97 constraints, PredecessorRefiner: 521/521 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60389ms problems are : Problem set: 0 solved, 521 unsolved
Search for dead transitions found 0 dead transitions in 60392ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61609 ms. Remains : 176/176 places, 529/529 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 118 edges and 176 vertex of which 29 / 176 are part of one of the 4 SCC in 1 ms
Free SCC test removed 25 places
Drop transitions (Empty/Sink Transition effects.) removed 148 transitions
Ensure Unique test removed 27 transitions
Reduce isomorphic transitions removed 175 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 4 place count 148 transition count 351
Iterating global reduction 0 with 3 rules applied. Total rules applied 7 place count 148 transition count 351
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 0 with 15 rules applied. Total rules applied 22 place count 148 transition count 336
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 24 place count 147 transition count 335
Drop transitions (Redundant composition of simpler transitions.) removed 27 transitions
Redundant transition composition rules discarded 27 transitions
Iterating global reduction 1 with 27 rules applied. Total rules applied 51 place count 147 transition count 308
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 1 with 6 rules applied. Total rules applied 57 place count 147 transition count 302
Reduce places removed 6 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 9 rules applied. Total rules applied 66 place count 141 transition count 299
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 3 Pre rules applied. Total rules applied 66 place count 141 transition count 296
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 3 with 6 rules applied. Total rules applied 72 place count 138 transition count 296
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 74 place count 137 transition count 295
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 75 place count 137 transition count 294
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 77 place count 136 transition count 293
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 78 place count 135 transition count 256
Iterating global reduction 3 with 1 rules applied. Total rules applied 79 place count 135 transition count 256
Free-agglomeration rule applied 3 times.
Iterating global reduction 3 with 3 rules applied. Total rules applied 82 place count 135 transition count 253
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 85 place count 132 transition count 253
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 4 with 6 rules applied. Total rules applied 91 place count 132 transition count 247
Free-agglomeration rule applied 3 times.
Iterating global reduction 4 with 3 rules applied. Total rules applied 94 place count 132 transition count 244
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 97 place count 129 transition count 244
Partial Free-agglomeration rule applied 6 times.
Drop transitions (Partial Free agglomeration) removed 6 transitions
Iterating global reduction 5 with 6 rules applied. Total rules applied 103 place count 129 transition count 244
Applied a total of 103 rules in 47 ms. Remains 129 /176 variables (removed 47) and now considering 244/529 (removed 285) transitions.
Running SMT prover for 1 properties.
[2026-05-24 10:04:14] [INFO ] Flow matrix only has 240 transitions (discarded 4 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6267309796649717774.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16723954510643404436.kers'
[2026-05-24 10:04:14] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6267309796649717774.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16723954510643404436.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 240 rows 129 cols 964 entries
Finished phase 1 with 119 SingleSign rule and 0 generalized
[2026-05-24 10:04:14] [INFO ] Computed 10 invariants in 1 ms
Computed 10 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-16723954510643404436.kers
Total runtime 3 ms.
[2026-05-24 10:04:14] [INFO ] [Real]Absence check using 10 positive place invariants in 5 ms returned sat
[2026-05-24 10:04:14] [INFO ] After 147ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2026-05-24 10:04:14] [INFO ] [Nat]Absence check using 10 positive place invariants in 4 ms returned sat
[2026-05-24 10:04:14] [INFO ] After 99ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2026-05-24 10:04:14] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 10:04:14] [INFO ] After 13ms SMT Verify possible using 8 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-24 10:04:14] [INFO ] After 29ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-24 10:04:14] [INFO ] After 190ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 396 ms.
RANDOM walk for 40000 steps (1307 resets) in 128 ms. (310 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (269 resets) in 34 ms. (1142 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 613097 steps, run timeout after 3001 ms. (steps per millisecond=204 ) properties seen :0 out of 1
Probabilistic random walk after 613097 steps, saw 199394 distinct states, run finished after 3001 ms. (steps per millisecond=204 ) properties seen :0
[2026-05-24 10:04:17] [INFO ] Flow matrix only has 543 transitions (discarded 11 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11510858213966824297.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17168331010822677214.kers'
[2026-05-24 10:04:17] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11510858213966824297.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17168331010822677214.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 543 rows 190 cols 2073 entries
Finished phase 1 with 180 SingleSign rule and 0 generalized
[2026-05-24 10:04:17] [INFO ] Computed 10 invariants in 2 ms
Computed 10 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-17168331010822677214.kers
Total runtime 4 ms.
[2026-05-24 10:04:17] [INFO ] State equation strengthened by 70 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) 56/57 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 118/175 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/175 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/175 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 543/718 variables, 175/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/718 variables, 70/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/718 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 15/733 variables, 15/273 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/733 variables, 0/273 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/733 variables, 0/273 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 733/733 variables, and 273 constraints, problems are : Problem set: 0 solved, 1 unsolved in 926 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 190/190 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 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) 56/57 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 118/175 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/175 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/175 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 543/718 variables, 175/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/718 variables, 70/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/718 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/718 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 15/733 variables, 15/274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/733 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/733 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 733/733 variables, and 274 constraints, problems are : Problem set: 0 solved, 1 unsolved in 590 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 190/190 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1530ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 16 ms.
Support contains 1 out of 190 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 190/190 places, 554/554 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 184 transition count 545
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 184 transition count 545
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 183 transition count 539
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 183 transition count 539
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 182 transition count 537
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 182 transition count 537
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 181 transition count 534
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 181 transition count 534
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 19 place count 180 transition count 532
Iterating global reduction 0 with 1 rules applied. Total rules applied 20 place count 180 transition count 532
Free-agglomeration rule applied 4 times.
Iterating global reduction 0 with 4 rules applied. Total rules applied 24 place count 180 transition count 528
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 28 place count 176 transition count 528
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 29 place count 175 transition count 527
Iterating global reduction 1 with 1 rules applied. Total rules applied 30 place count 175 transition count 527
Applied a total of 30 rules in 51 ms. Remains 175 /190 variables (removed 15) and now considering 527/554 (removed 27) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 51 ms. Remains : 175/190 places, 527/554 transitions.
RANDOM walk for 40000 steps (1350 resets) in 217 ms. (183 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (247 resets) in 54 ms. (727 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 675791 steps, run timeout after 3001 ms. (steps per millisecond=225 ) properties seen :0 out of 1
Probabilistic random walk after 675791 steps, saw 187135 distinct states, run finished after 3004 ms. (steps per millisecond=224 ) properties seen :0
[2026-05-24 10:04:22] [INFO ] Flow matrix only has 516 transitions (discarded 11 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5397908172907995525.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9036704755863750608.kers'
[2026-05-24 10:04:22] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5397908172907995525.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9036704755863750608.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 516 rows 175 cols 1922 entries
Finished phase 1 with 165 SingleSign rule and 0 generalized
[2026-05-24 10:04:22] [INFO ] Computed 10 invariants in 2 ms
Computed 10 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-9036704755863750608.kers
Total runtime 4 ms.
[2026-05-24 10:04:22] [INFO ] State equation strengthened by 97 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) 48/49 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/49 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 114/163 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/163 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/163 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 516/679 variables, 163/176 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/679 variables, 97/273 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/679 variables, 0/273 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 12/691 variables, 12/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/691 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/691 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 691/691 variables, and 285 constraints, problems are : Problem set: 0 solved, 1 unsolved in 635 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 175/175 constraints, ReadFeed: 97/97 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 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) 48/49 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/49 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 114/163 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/163 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/163 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 516/679 variables, 163/176 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/679 variables, 97/273 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/679 variables, 1/274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/679 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 12/691 variables, 12/286 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/691 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/691 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 691/691 variables, and 286 constraints, problems are : Problem set: 0 solved, 1 unsolved in 679 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 175/175 constraints, ReadFeed: 97/97 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1329ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 21 ms.
Support contains 1 out of 175 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 175/175 places, 527/527 transitions.
Applied a total of 0 rules in 10 ms. Remains 175 /175 variables (removed 0) and now considering 527/527 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 175/175 places, 527/527 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 175/175 places, 527/527 transitions.
Applied a total of 0 rules in 10 ms. Remains 175 /175 variables (removed 0) and now considering 527/527 (removed 0) transitions.
[2026-05-24 10:04:23] [INFO ] Flow matrix only has 516 transitions (discarded 11 similar events)
[2026-05-24 10:04:23] [INFO ] Invariant cache hit.
[2026-05-24 10:04:24] [INFO ] Implicit Places using invariants in 318 ms returned []
[2026-05-24 10:04:24] [INFO ] Flow matrix only has 516 transitions (discarded 11 similar events)
[2026-05-24 10:04:24] [INFO ] Invariant cache hit.
[2026-05-24 10:04:24] [INFO ] State equation strengthened by 97 read => feed constraints.
[2026-05-24 10:04:25] [INFO ] Implicit Places using invariants and state equation in 1051 ms returned []
Implicit Place search using SMT with State Equation took 1371 ms to find 0 implicit places.
[2026-05-24 10:04:25] [INFO ] Redundant transitions in 8 ms returned []
Running 519 sub problems to find dead transitions.
[2026-05-24 10:04:25] [INFO ] Flow matrix only has 516 transitions (discarded 11 similar events)
[2026-05-24 10:04:25] [INFO ] Invariant cache hit.
[2026-05-24 10:04:25] [INFO ] State equation strengthened by 97 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/174 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 519 unsolved
At refinement iteration 1 (OVERLAPS) 1/175 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 519 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/175 variables, 9/19 constraints. Problems are: Problem set: 0 solved, 519 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/175 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 519 unsolved
At refinement iteration 4 (OVERLAPS) 516/691 variables, 175/194 constraints. Problems are: Problem set: 0 solved, 519 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/691 variables, 97/291 constraints. Problems are: Problem set: 0 solved, 519 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 691/691 variables, and 291 constraints, problems are : Problem set: 0 solved, 519 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 175/175 constraints, ReadFeed: 97/97 constraints, PredecessorRefiner: 519/519 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 519 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/174 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 519 unsolved
At refinement iteration 1 (OVERLAPS) 1/175 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 519 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/175 variables, 9/19 constraints. Problems are: Problem set: 0 solved, 519 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/175 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 519 unsolved
At refinement iteration 4 (OVERLAPS) 516/691 variables, 175/194 constraints. Problems are: Problem set: 0 solved, 519 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/691 variables, 97/291 constraints. Problems are: Problem set: 0 solved, 519 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/691 variables, 519/810 constraints. Problems are: Problem set: 0 solved, 519 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 691/691 variables, and 810 constraints, problems are : Problem set: 0 solved, 519 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 175/175 constraints, ReadFeed: 97/97 constraints, PredecessorRefiner: 519/519 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60416ms problems are : Problem set: 0 solved, 519 unsolved
Search for dead transitions found 0 dead transitions in 60424ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61823 ms. Remains : 175/175 places, 527/527 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 118 edges and 175 vertex of which 29 / 175 are part of one of the 4 SCC in 0 ms
Free SCC test removed 25 places
Drop transitions (Empty/Sink Transition effects.) removed 148 transitions
Ensure Unique test removed 27 transitions
Reduce isomorphic transitions removed 175 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 4 place count 147 transition count 349
Iterating global reduction 0 with 3 rules applied. Total rules applied 7 place count 147 transition count 349
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 0 with 15 rules applied. Total rules applied 22 place count 147 transition count 334
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 24 place count 146 transition count 333
Drop transitions (Redundant composition of simpler transitions.) removed 27 transitions
Redundant transition composition rules discarded 27 transitions
Iterating global reduction 1 with 27 rules applied. Total rules applied 51 place count 146 transition count 306
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 1 with 6 rules applied. Total rules applied 57 place count 146 transition count 300
Reduce places removed 6 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 9 rules applied. Total rules applied 66 place count 140 transition count 297
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 3 Pre rules applied. Total rules applied 66 place count 140 transition count 294
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 3 with 6 rules applied. Total rules applied 72 place count 137 transition count 294
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 74 place count 136 transition count 293
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 75 place count 136 transition count 292
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 77 place count 135 transition count 291
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 78 place count 134 transition count 254
Iterating global reduction 3 with 1 rules applied. Total rules applied 79 place count 134 transition count 254
Free-agglomeration rule applied 3 times.
Iterating global reduction 3 with 3 rules applied. Total rules applied 82 place count 134 transition count 251
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 85 place count 131 transition count 251
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 4 with 6 rules applied. Total rules applied 91 place count 131 transition count 245
Free-agglomeration rule applied 3 times.
Iterating global reduction 4 with 3 rules applied. Total rules applied 94 place count 131 transition count 242
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 97 place count 128 transition count 242
Partial Free-agglomeration rule applied 6 times.
Drop transitions (Partial Free agglomeration) removed 6 transitions
Iterating global reduction 5 with 6 rules applied. Total rules applied 103 place count 128 transition count 242
Applied a total of 103 rules in 44 ms. Remains 128 /175 variables (removed 47) and now considering 242/527 (removed 285) transitions.
Running SMT prover for 1 properties.
[2026-05-24 10:05:25] [INFO ] Flow matrix only has 238 transitions (discarded 4 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3523042355195086595.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17235382989295726914.kers'
[2026-05-24 10:05:25] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3523042355195086595.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17235382989295726914.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 238 rows 128 cols 956 entries
Finished phase 1 with 118 SingleSign rule and 0 generalized
[2026-05-24 10:05:25] [INFO ] Computed 10 invariants in 2 ms
Computed 10 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-17235382989295726914.kers
Total runtime 3 ms.
[2026-05-24 10:05:25] [INFO ] [Real]Absence check using 10 positive place invariants in 5 ms returned sat
[2026-05-24 10:05:25] [INFO ] After 146ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2026-05-24 10:05:25] [INFO ] [Nat]Absence check using 10 positive place invariants in 6 ms returned sat
[2026-05-24 10:05:26] [INFO ] After 143ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2026-05-24 10:05:26] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 10:05:26] [INFO ] After 19ms SMT Verify possible using 8 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-24 10:05:26] [INFO ] After 43ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-24 10:05:26] [INFO ] After 274ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 477 ms.
RANDOM walk for 40000 steps (1332 resets) in 152 ms. (261 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (241 resets) in 48 ms. (816 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 587878 steps, run timeout after 3001 ms. (steps per millisecond=195 ) properties seen :0 out of 1
Probabilistic random walk after 587878 steps, saw 190363 distinct states, run finished after 3001 ms. (steps per millisecond=195 ) properties seen :0
[2026-05-24 10:05:29] [INFO ] Flow matrix only has 543 transitions (discarded 11 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4725037885940672476.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16143414487078683585.kers'
[2026-05-24 10:05:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4725037885940672476.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16143414487078683585.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 543 rows 190 cols 2073 entries
Finished phase 1 with 180 SingleSign rule and 0 generalized
[2026-05-24 10:05:29] [INFO ] Computed 10 invariants in 2 ms
Computed 10 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-16143414487078683585.kers
Total runtime 3 ms.
[2026-05-24 10:05:29] [INFO ] State equation strengthened by 70 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) 56/57 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 118/175 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/175 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/175 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 543/718 variables, 175/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/718 variables, 70/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/718 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 15/733 variables, 15/273 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/733 variables, 0/273 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/733 variables, 0/273 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 733/733 variables, and 273 constraints, problems are : Problem set: 0 solved, 1 unsolved in 609 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 190/190 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 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) 56/57 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 118/175 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/175 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/175 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 543/718 variables, 175/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/718 variables, 70/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/718 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/718 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 15/733 variables, 15/274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/733 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/733 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 733/733 variables, and 274 constraints, problems are : Problem set: 0 solved, 1 unsolved in 531 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 190/190 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1152ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 20 ms.
Support contains 1 out of 190 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 190/190 places, 554/554 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 184 transition count 545
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 184 transition count 545
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 183 transition count 539
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 183 transition count 539
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 182 transition count 537
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 182 transition count 537
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 181 transition count 534
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 181 transition count 534
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 19 place count 180 transition count 532
Iterating global reduction 0 with 1 rules applied. Total rules applied 20 place count 180 transition count 532
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 21 place count 179 transition count 529
Iterating global reduction 0 with 1 rules applied. Total rules applied 22 place count 179 transition count 529
Free-agglomeration rule applied 4 times.
Iterating global reduction 0 with 4 rules applied. Total rules applied 26 place count 179 transition count 525
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 30 place count 175 transition count 525
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 31 place count 174 transition count 524
Iterating global reduction 1 with 1 rules applied. Total rules applied 32 place count 174 transition count 524
Applied a total of 32 rules in 49 ms. Remains 174 /190 variables (removed 16) and now considering 524/554 (removed 30) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 49 ms. Remains : 174/190 places, 524/554 transitions.
RANDOM walk for 40000 steps (1324 resets) in 205 ms. (194 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (255 resets) in 59 ms. (666 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 622620 steps, run timeout after 3001 ms. (steps per millisecond=207 ) properties seen :0 out of 1
Probabilistic random walk after 622620 steps, saw 174296 distinct states, run finished after 3001 ms. (steps per millisecond=207 ) properties seen :0
[2026-05-24 10:05:33] [INFO ] Flow matrix only has 513 transitions (discarded 11 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-557576328790728920.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8017661671638117513.kers'
[2026-05-24 10:05:33] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-557576328790728920.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8017661671638117513.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 513 rows 174 cols 1912 entries
Finished phase 1 with 164 SingleSign rule and 0 generalized
[2026-05-24 10:05:33] [INFO ] Computed 10 invariants in 2 ms
Computed 10 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-8017661671638117513.kers
Total runtime 3 ms.
[2026-05-24 10:05:33] [INFO ] State equation strengthened by 96 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) 47/48 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/48 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 114/162 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/162 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/162 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 513/675 variables, 162/175 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/675 variables, 96/271 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/675 variables, 0/271 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 12/687 variables, 12/283 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/687 variables, 0/283 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/687 variables, 0/283 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 687/687 variables, and 283 constraints, problems are : Problem set: 0 solved, 1 unsolved in 774 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 174/174 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 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) 47/48 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/48 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 114/162 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/162 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/162 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 513/675 variables, 162/175 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/675 variables, 96/271 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/675 variables, 1/272 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/675 variables, 0/272 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 12/687 variables, 12/284 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/687 variables, 0/284 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/687 variables, 0/284 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 687/687 variables, and 284 constraints, problems are : Problem set: 0 solved, 1 unsolved in 686 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 174/174 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1475ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 14 ms.
Support contains 1 out of 174 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 174/174 places, 524/524 transitions.
Applied a total of 0 rules in 10 ms. Remains 174 /174 variables (removed 0) and now considering 524/524 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 174/174 places, 524/524 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 174/174 places, 524/524 transitions.
Applied a total of 0 rules in 10 ms. Remains 174 /174 variables (removed 0) and now considering 524/524 (removed 0) transitions.
[2026-05-24 10:05:35] [INFO ] Flow matrix only has 513 transitions (discarded 11 similar events)
[2026-05-24 10:05:35] [INFO ] Invariant cache hit.
[2026-05-24 10:05:35] [INFO ] Implicit Places using invariants in 316 ms returned []
[2026-05-24 10:05:35] [INFO ] Flow matrix only has 513 transitions (discarded 11 similar events)
[2026-05-24 10:05:35] [INFO ] Invariant cache hit.
[2026-05-24 10:05:35] [INFO ] State equation strengthened by 96 read => feed constraints.
[2026-05-24 10:05:36] [INFO ] Implicit Places using invariants and state equation in 905 ms returned []
Implicit Place search using SMT with State Equation took 1223 ms to find 0 implicit places.
[2026-05-24 10:05:36] [INFO ] Redundant transitions in 9 ms returned []
Running 516 sub problems to find dead transitions.
[2026-05-24 10:05:36] [INFO ] Flow matrix only has 513 transitions (discarded 11 similar events)
[2026-05-24 10:05:36] [INFO ] Invariant cache hit.
[2026-05-24 10:05:36] [INFO ] State equation strengthened by 96 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/173 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 516 unsolved
At refinement iteration 1 (OVERLAPS) 1/174 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 516 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/174 variables, 9/19 constraints. Problems are: Problem set: 0 solved, 516 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/174 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 516 unsolved
At refinement iteration 4 (OVERLAPS) 513/687 variables, 174/193 constraints. Problems are: Problem set: 0 solved, 516 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/687 variables, 96/289 constraints. Problems are: Problem set: 0 solved, 516 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 687/687 variables, and 290 constraints, problems are : Problem set: 0 solved, 516 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 174/174 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 516/516 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 516 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/173 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 516 unsolved
At refinement iteration 1 (OVERLAPS) 1/174 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 516 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/174 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 516 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/174 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 516 unsolved
At refinement iteration 4 (OVERLAPS) 513/687 variables, 174/194 constraints. Problems are: Problem set: 0 solved, 516 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/687 variables, 96/290 constraints. Problems are: Problem set: 0 solved, 516 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/687 variables, 516/806 constraints. Problems are: Problem set: 0 solved, 516 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 687/687 variables, and 806 constraints, problems are : Problem set: 0 solved, 516 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 174/174 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 516/516 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60393ms problems are : Problem set: 0 solved, 516 unsolved
Search for dead transitions found 0 dead transitions in 60396ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61647 ms. Remains : 174/174 places, 524/524 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 117 edges and 174 vertex of which 29 / 174 are part of one of the 4 SCC in 0 ms
Free SCC test removed 25 places
Drop transitions (Empty/Sink Transition effects.) removed 148 transitions
Ensure Unique test removed 27 transitions
Reduce isomorphic transitions removed 175 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 4 place count 146 transition count 346
Iterating global reduction 0 with 3 rules applied. Total rules applied 7 place count 146 transition count 346
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 0 with 15 rules applied. Total rules applied 22 place count 146 transition count 331
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 24 place count 145 transition count 330
Drop transitions (Redundant composition of simpler transitions.) removed 27 transitions
Redundant transition composition rules discarded 27 transitions
Iterating global reduction 1 with 27 rules applied. Total rules applied 51 place count 145 transition count 303
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 1 with 6 rules applied. Total rules applied 57 place count 145 transition count 297
Reduce places removed 6 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 9 rules applied. Total rules applied 66 place count 139 transition count 294
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 3 Pre rules applied. Total rules applied 66 place count 139 transition count 291
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 3 with 6 rules applied. Total rules applied 72 place count 136 transition count 291
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 74 place count 135 transition count 290
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 75 place count 135 transition count 289
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 77 place count 134 transition count 288
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 78 place count 133 transition count 252
Iterating global reduction 3 with 1 rules applied. Total rules applied 79 place count 133 transition count 252
Free-agglomeration rule applied 3 times.
Iterating global reduction 3 with 3 rules applied. Total rules applied 82 place count 133 transition count 249
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 85 place count 130 transition count 249
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 4 with 6 rules applied. Total rules applied 91 place count 130 transition count 243
Free-agglomeration rule applied 3 times.
Iterating global reduction 4 with 3 rules applied. Total rules applied 94 place count 130 transition count 240
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 97 place count 127 transition count 240
Partial Free-agglomeration rule applied 6 times.
Drop transitions (Partial Free agglomeration) removed 6 transitions
Iterating global reduction 5 with 6 rules applied. Total rules applied 103 place count 127 transition count 240
Applied a total of 103 rules in 38 ms. Remains 127 /174 variables (removed 47) and now considering 240/524 (removed 284) transitions.
Running SMT prover for 1 properties.
[2026-05-24 10:06:36] [INFO ] Flow matrix only has 236 transitions (discarded 4 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6910892275555302599.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10866717730612463995.kers'
[2026-05-24 10:06:36] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6910892275555302599.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10866717730612463995.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 236 rows 127 cols 950 entries
Finished phase 1 with 117 SingleSign rule and 0 generalized
[2026-05-24 10:06:36] [INFO ] Computed 10 invariants in 1 ms
Computed 10 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-10866717730612463995.kers
Total runtime 1 ms.
[2026-05-24 10:06:36] [INFO ] [Real]Absence check using 10 positive place invariants in 4 ms returned sat
[2026-05-24 10:06:36] [INFO ] After 149ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2026-05-24 10:06:36] [INFO ] [Nat]Absence check using 10 positive place invariants in 4 ms returned sat
[2026-05-24 10:06:37] [INFO ] After 99ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2026-05-24 10:06:37] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 10:06:37] [INFO ] After 14ms SMT Verify possible using 8 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-24 10:06:37] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 116 ms
TRAPS : Iteration 1
[2026-05-24 10:06:37] [INFO ] After 155ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-24 10:06:37] [INFO ] After 313ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 515 ms.
RANDOM walk for 40000 steps (1301 resets) in 126 ms. (314 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (259 resets) in 33 ms. (1176 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 589818 steps, run timeout after 3001 ms. (steps per millisecond=196 ) properties seen :0 out of 1
Probabilistic random walk after 589818 steps, saw 191153 distinct states, run finished after 3001 ms. (steps per millisecond=196 ) properties seen :0
[2026-05-24 10:06:40] [INFO ] Flow matrix only has 543 transitions (discarded 11 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-691159155898937113.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16627771969560161856.kers'
[2026-05-24 10:06:40] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-691159155898937113.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16627771969560161856.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 543 rows 190 cols 2073 entries
Finished phase 1 with 180 SingleSign rule and 0 generalized
[2026-05-24 10:06:40] [INFO ] Computed 10 invariants in 2 ms
Computed 10 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-16627771969560161856.kers
Total runtime 3 ms.
[2026-05-24 10:06:40] [INFO ] State equation strengthened by 70 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) 56/57 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 118/175 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/175 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/175 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 543/718 variables, 175/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/718 variables, 70/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/718 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 15/733 variables, 15/273 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/733 variables, 0/273 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/733 variables, 0/273 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 733/733 variables, and 273 constraints, problems are : Problem set: 0 solved, 1 unsolved in 955 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 190/190 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 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) 56/57 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 118/175 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/175 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/175 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 543/718 variables, 175/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/718 variables, 70/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/718 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/718 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 15/733 variables, 15/274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/733 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/733 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 733/733 variables, and 274 constraints, problems are : Problem set: 0 solved, 1 unsolved in 547 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 190/190 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1514ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 15 ms.
Support contains 1 out of 190 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 190/190 places, 554/554 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 184 transition count 545
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 184 transition count 545
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 183 transition count 539
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 183 transition count 539
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 182 transition count 537
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 182 transition count 537
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 181 transition count 534
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 181 transition count 534
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 19 place count 180 transition count 532
Iterating global reduction 0 with 1 rules applied. Total rules applied 20 place count 180 transition count 532
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 21 place count 179 transition count 529
Iterating global reduction 0 with 1 rules applied. Total rules applied 22 place count 179 transition count 529
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 23 place count 178 transition count 527
Iterating global reduction 0 with 1 rules applied. Total rules applied 24 place count 178 transition count 527
Free-agglomeration rule applied 4 times.
Iterating global reduction 0 with 4 rules applied. Total rules applied 28 place count 178 transition count 523
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 32 place count 174 transition count 523
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 33 place count 173 transition count 522
Iterating global reduction 1 with 1 rules applied. Total rules applied 34 place count 173 transition count 522
Applied a total of 34 rules in 48 ms. Remains 173 /190 variables (removed 17) and now considering 522/554 (removed 32) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 48 ms. Remains : 173/190 places, 522/554 transitions.
RANDOM walk for 40000 steps (1333 resets) in 255 ms. (156 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (250 resets) in 58 ms. (678 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 727512 steps, run timeout after 3001 ms. (steps per millisecond=242 ) properties seen :0 out of 1
Probabilistic random walk after 727512 steps, saw 200257 distinct states, run finished after 3001 ms. (steps per millisecond=242 ) properties seen :0
[2026-05-24 10:06:44] [INFO ] Flow matrix only has 511 transitions (discarded 11 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6286296833590428293.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12036547256253595810.kers'
[2026-05-24 10:06:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6286296833590428293.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12036547256253595810.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 511 rows 173 cols 1904 entries
Finished phase 1 with 163 SingleSign rule and 0 generalized
[2026-05-24 10:06:44] [INFO ] Computed 10 invariants in 2 ms
Computed 10 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-12036547256253595810.kers
Total runtime 3 ms.
[2026-05-24 10:06:44] [INFO ] State equation strengthened by 96 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) 46/47 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/47 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 114/161 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/161 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/161 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 511/672 variables, 161/173 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/672 variables, 96/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/672 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 12/684 variables, 12/281 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/684 variables, 0/281 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/684 variables, 0/281 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 684/684 variables, and 281 constraints, problems are : Problem set: 0 solved, 1 unsolved in 569 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 173/173 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 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) 46/47 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/47 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 114/161 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/161 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/161 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/161 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 511/672 variables, 161/174 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/672 variables, 96/270 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/672 variables, 1/271 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/672 variables, 0/271 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 12/684 variables, 12/283 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/684 variables, 0/283 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/684 variables, 0/283 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 684/684 variables, and 283 constraints, problems are : Problem set: 0 solved, 1 unsolved in 595 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 173/173 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1175ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 13 ms.
Support contains 1 out of 173 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 173/173 places, 522/522 transitions.
Applied a total of 0 rules in 10 ms. Remains 173 /173 variables (removed 0) and now considering 522/522 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 173/173 places, 522/522 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 173/173 places, 522/522 transitions.
Applied a total of 0 rules in 12 ms. Remains 173 /173 variables (removed 0) and now considering 522/522 (removed 0) transitions.
[2026-05-24 10:06:46] [INFO ] Flow matrix only has 511 transitions (discarded 11 similar events)
[2026-05-24 10:06:46] [INFO ] Invariant cache hit.
[2026-05-24 10:06:46] [INFO ] Implicit Places using invariants in 286 ms returned []
[2026-05-24 10:06:46] [INFO ] Flow matrix only has 511 transitions (discarded 11 similar events)
[2026-05-24 10:06:46] [INFO ] Invariant cache hit.
[2026-05-24 10:06:46] [INFO ] State equation strengthened by 96 read => feed constraints.
[2026-05-24 10:06:47] [INFO ] Implicit Places using invariants and state equation in 1301 ms returned []
Implicit Place search using SMT with State Equation took 1599 ms to find 0 implicit places.
[2026-05-24 10:06:47] [INFO ] Redundant transitions in 8 ms returned []
Running 514 sub problems to find dead transitions.
[2026-05-24 10:06:47] [INFO ] Flow matrix only has 511 transitions (discarded 11 similar events)
[2026-05-24 10:06:47] [INFO ] Invariant cache hit.
[2026-05-24 10:06:47] [INFO ] State equation strengthened by 96 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/172 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 514 unsolved
At refinement iteration 1 (OVERLAPS) 1/173 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 514 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/173 variables, 9/19 constraints. Problems are: Problem set: 0 solved, 514 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/173 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 514 unsolved
At refinement iteration 4 (OVERLAPS) 511/684 variables, 173/192 constraints. Problems are: Problem set: 0 solved, 514 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/684 variables, 96/288 constraints. Problems are: Problem set: 0 solved, 514 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 684/684 variables, and 288 constraints, problems are : Problem set: 0 solved, 514 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 173/173 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 514/514 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 514 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/172 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 514 unsolved
At refinement iteration 1 (OVERLAPS) 1/173 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 514 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/173 variables, 9/19 constraints. Problems are: Problem set: 0 solved, 514 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/173 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 514 unsolved
At refinement iteration 4 (OVERLAPS) 511/684 variables, 173/192 constraints. Problems are: Problem set: 0 solved, 514 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/684 variables, 96/288 constraints. Problems are: Problem set: 0 solved, 514 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/684 variables, 514/802 constraints. Problems are: Problem set: 0 solved, 514 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 684/684 variables, and 802 constraints, problems are : Problem set: 0 solved, 514 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 173/173 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 514/514 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60366ms problems are : Problem set: 0 solved, 514 unsolved
Search for dead transitions found 0 dead transitions in 60368ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61996 ms. Remains : 173/173 places, 522/522 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 117 edges and 173 vertex of which 29 / 173 are part of one of the 4 SCC in 0 ms
Free SCC test removed 25 places
Drop transitions (Empty/Sink Transition effects.) removed 148 transitions
Ensure Unique test removed 27 transitions
Reduce isomorphic transitions removed 175 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 4 place count 145 transition count 344
Iterating global reduction 0 with 3 rules applied. Total rules applied 7 place count 145 transition count 344
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 0 with 15 rules applied. Total rules applied 22 place count 145 transition count 329
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 24 place count 144 transition count 328
Drop transitions (Redundant composition of simpler transitions.) removed 27 transitions
Redundant transition composition rules discarded 27 transitions
Iterating global reduction 1 with 27 rules applied. Total rules applied 51 place count 144 transition count 301
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 1 with 6 rules applied. Total rules applied 57 place count 144 transition count 295
Reduce places removed 6 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 9 rules applied. Total rules applied 66 place count 138 transition count 292
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 3 Pre rules applied. Total rules applied 66 place count 138 transition count 289
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 3 with 6 rules applied. Total rules applied 72 place count 135 transition count 289
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 74 place count 134 transition count 288
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 75 place count 134 transition count 287
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 77 place count 133 transition count 286
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 78 place count 132 transition count 250
Iterating global reduction 3 with 1 rules applied. Total rules applied 79 place count 132 transition count 250
Free-agglomeration rule applied 3 times.
Iterating global reduction 3 with 3 rules applied. Total rules applied 82 place count 132 transition count 247
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 85 place count 129 transition count 247
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 4 with 6 rules applied. Total rules applied 91 place count 129 transition count 241
Free-agglomeration rule applied 3 times.
Iterating global reduction 4 with 3 rules applied. Total rules applied 94 place count 129 transition count 238
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 97 place count 126 transition count 238
Partial Free-agglomeration rule applied 6 times.
Drop transitions (Partial Free agglomeration) removed 6 transitions
Iterating global reduction 5 with 6 rules applied. Total rules applied 103 place count 126 transition count 238
Applied a total of 103 rules in 38 ms. Remains 126 /173 variables (removed 47) and now considering 238/522 (removed 284) transitions.
Running SMT prover for 1 properties.
[2026-05-24 10:07:48] [INFO ] Flow matrix only has 234 transitions (discarded 4 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10772124767574278421.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8035507269750548823.kers'
[2026-05-24 10:07:48] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10772124767574278421.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8035507269750548823.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 234 rows 126 cols 942 entries
Finished phase 1 with 116 SingleSign rule and 0 generalized
[2026-05-24 10:07:48] [INFO ] Computed 10 invariants in 1 ms
Computed 10 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-8035507269750548823.kers
Total runtime 1 ms.
[2026-05-24 10:07:48] [INFO ] [Real]Absence check using 10 positive place invariants in 4 ms returned sat
[2026-05-24 10:07:48] [INFO ] After 91ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2026-05-24 10:07:48] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 10:07:48] [INFO ] After 14ms SMT Verify possible using 8 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2026-05-24 10:07:48] [INFO ] After 150ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2026-05-24 10:07:48] [INFO ] [Nat]Absence check using 10 positive place invariants in 5 ms returned sat
[2026-05-24 10:07:48] [INFO ] After 101ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2026-05-24 10:07:48] [INFO ] After 15ms SMT Verify possible using 8 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-24 10:07:48] [INFO ] After 32ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-24 10:07:48] [INFO ] After 195ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 394 ms.
RANDOM walk for 40000 steps (1283 resets) in 129 ms. (307 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (255 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 550830 steps, run timeout after 3001 ms. (steps per millisecond=183 ) properties seen :0 out of 1
Probabilistic random walk after 550830 steps, saw 183318 distinct states, run finished after 3001 ms. (steps per millisecond=183 ) properties seen :0
[2026-05-24 10:07:51] [INFO ] Flow matrix only has 543 transitions (discarded 11 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17535696659957289766.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4104558007371466482.kers'
[2026-05-24 10:07:51] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17535696659957289766.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4104558007371466482.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 543 rows 190 cols 2073 entries
Finished phase 1 with 180 SingleSign rule and 0 generalized
[2026-05-24 10:07:51] [INFO ] Computed 10 invariants in 2 ms
Computed 10 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-4104558007371466482.kers
Total runtime 3 ms.
[2026-05-24 10:07:51] [INFO ] State equation strengthened by 70 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) 56/57 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 118/175 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/175 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/175 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 543/718 variables, 175/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/718 variables, 70/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/718 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 15/733 variables, 15/273 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/733 variables, 0/273 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/733 variables, 0/273 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 733/733 variables, and 273 constraints, problems are : Problem set: 0 solved, 1 unsolved in 814 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 190/190 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 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) 56/57 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 118/175 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/175 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/175 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 543/718 variables, 175/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/718 variables, 70/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/718 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/718 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 15/733 variables, 15/274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/733 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/733 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 733/733 variables, and 274 constraints, problems are : Problem set: 0 solved, 1 unsolved in 544 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 190/190 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1375ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 17 ms.
Support contains 1 out of 190 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 190/190 places, 554/554 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 184 transition count 545
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 184 transition count 545
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 183 transition count 539
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 183 transition count 539
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 182 transition count 537
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 182 transition count 537
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 181 transition count 534
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 181 transition count 534
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 19 place count 180 transition count 532
Iterating global reduction 0 with 1 rules applied. Total rules applied 20 place count 180 transition count 532
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 21 place count 179 transition count 529
Iterating global reduction 0 with 1 rules applied. Total rules applied 22 place count 179 transition count 529
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 23 place count 178 transition count 527
Iterating global reduction 0 with 1 rules applied. Total rules applied 24 place count 178 transition count 527
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 25 place count 177 transition count 524
Iterating global reduction 0 with 1 rules applied. Total rules applied 26 place count 177 transition count 524
Free-agglomeration rule applied 4 times.
Iterating global reduction 0 with 4 rules applied. Total rules applied 30 place count 177 transition count 520
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 34 place count 173 transition count 520
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 35 place count 172 transition count 519
Iterating global reduction 1 with 1 rules applied. Total rules applied 36 place count 172 transition count 519
Applied a total of 36 rules in 54 ms. Remains 172 /190 variables (removed 18) and now considering 519/554 (removed 35) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 54 ms. Remains : 172/190 places, 519/554 transitions.
RANDOM walk for 40000 steps (1330 resets) in 222 ms. (179 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (264 resets) in 53 ms. (740 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 645455 steps, run timeout after 3001 ms. (steps per millisecond=215 ) properties seen :0 out of 1
Probabilistic random walk after 645455 steps, saw 180089 distinct states, run finished after 3001 ms. (steps per millisecond=215 ) properties seen :0
[2026-05-24 10:07:56] [INFO ] Flow matrix only has 508 transitions (discarded 11 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16300713064421207660.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5850750537372256971.kers'
[2026-05-24 10:07:56] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16300713064421207660.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5850750537372256971.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 508 rows 172 cols 1894 entries
Finished phase 1 with 162 SingleSign rule and 0 generalized
[2026-05-24 10:07:56] [INFO ] Computed 10 invariants in 2 ms
Computed 10 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-5850750537372256971.kers
Total runtime 3 ms.
[2026-05-24 10:07:56] [INFO ] State equation strengthened by 95 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) 45/46 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 114/160 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/160 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/160 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 508/668 variables, 160/174 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/668 variables, 95/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/668 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 12/680 variables, 12/281 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/680 variables, 0/281 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/680 variables, 0/281 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 680/680 variables, and 281 constraints, problems are : Problem set: 0 solved, 1 unsolved in 811 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 172/172 constraints, ReadFeed: 95/95 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 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) 45/46 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 114/160 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/160 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/160 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 508/668 variables, 160/174 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/668 variables, 95/269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/668 variables, 1/270 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/668 variables, 0/270 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 12/680 variables, 12/282 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/680 variables, 0/282 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/680 variables, 0/282 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 680/680 variables, and 282 constraints, problems are : Problem set: 0 solved, 1 unsolved in 552 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 172/172 constraints, ReadFeed: 95/95 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1376ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 14 ms.
Support contains 1 out of 172 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 172/172 places, 519/519 transitions.
Applied a total of 0 rules in 10 ms. Remains 172 /172 variables (removed 0) and now considering 519/519 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 172/172 places, 519/519 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 172/172 places, 519/519 transitions.
Applied a total of 0 rules in 10 ms. Remains 172 /172 variables (removed 0) and now considering 519/519 (removed 0) transitions.
[2026-05-24 10:07:57] [INFO ] Flow matrix only has 508 transitions (discarded 11 similar events)
[2026-05-24 10:07:57] [INFO ] Invariant cache hit.
[2026-05-24 10:07:57] [INFO ] Implicit Places using invariants in 322 ms returned []
[2026-05-24 10:07:57] [INFO ] Flow matrix only has 508 transitions (discarded 11 similar events)
[2026-05-24 10:07:57] [INFO ] Invariant cache hit.
[2026-05-24 10:07:58] [INFO ] State equation strengthened by 95 read => feed constraints.
[2026-05-24 10:07:58] [INFO ] Implicit Places using invariants and state equation in 909 ms returned []
Implicit Place search using SMT with State Equation took 1233 ms to find 0 implicit places.
[2026-05-24 10:07:58] [INFO ] Redundant transitions in 9 ms returned []
Running 511 sub problems to find dead transitions.
[2026-05-24 10:07:58] [INFO ] Flow matrix only has 508 transitions (discarded 11 similar events)
[2026-05-24 10:07:58] [INFO ] Invariant cache hit.
[2026-05-24 10:07:58] [INFO ] State equation strengthened by 95 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/171 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 511 unsolved
At refinement iteration 1 (OVERLAPS) 1/172 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 511 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/172 variables, 9/19 constraints. Problems are: Problem set: 0 solved, 511 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/172 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 511 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 172/680 variables, and 20 constraints, problems are : Problem set: 0 solved, 511 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 0/172 constraints, ReadFeed: 0/95 constraints, PredecessorRefiner: 511/511 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 511 unsolved

BK_TIME_CONFINEMENT_REACHED

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.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="FireWire-PT-20"
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 FireWire-PT-20, 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 r136-smll-177955811000187"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FireWire-PT-20.tgz
mv FireWire-PT-20 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 ;