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.r160-tall-177961080100418.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.............................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is HealthRecord-PT-17, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r160-tall-177961080100418
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 628K
-rw-r--r-- 1 mcc users 7.1K Mar 7 13:03 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K Mar 7 13:03 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K Mar 7 13:03 CTLFireability.txt
-rw-r--r-- 1 mcc users 59K Mar 7 13:03 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K Mar 15 10:46 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 10:46 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 10:46 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 10:46 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 7 13:03 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 115K Mar 7 13:03 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.0K Mar 7 13:03 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 78K Mar 7 13:03 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 10:46 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:46 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 175K 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 StableMarking

=== Now, execution of the tool begins

BK_START 1779703067689

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=HealthRecord-PT-17
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202505121319
[2026-05-25 09:57:49] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StableMarking, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-25 09:57:49] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 09:57:49] [INFO ] Load time of PNML (sax parser for PT used): 96 ms
[2026-05-25 09:57:49] [INFO ] Transformed 624 places.
[2026-05-25 09:57:49] [INFO ] Transformed 828 transitions.
[2026-05-25 09:57:49] [INFO ] Found NUPN structural information;
[2026-05-25 09:57:49] [INFO ] Parsed PT model containing 624 places and 828 transitions and 1879 arcs in 187 ms.
Graph (trivial) has 749 edges and 624 vertex of which 87 / 624 are part of one of the 21 SCC in 5 ms
Free SCC test removed 66 places
Structural test allowed to assert that 266 places are NOT stable. Took 24 ms.
Ensure Unique test removed 75 transitions
Reduce redundant transitions removed 75 transitions.
[2026-05-25 09:57:50] [INFO ] Flatten gal took : 229 ms
[2026-05-25 09:57:50] [INFO ] Flatten gal took : 81 ms
[2026-05-25 09:57:50] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12892484749960115277.gal : 36 ms
[2026-05-25 09:57:50] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16409260444624896100.prop : 3 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality12892484749960115277.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16409260444624896100.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40000 steps (363 resets) in 2783 ms. (14 steps per ms) remains 303/358 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 303/303 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 303/303 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 303/303 properties
BEST_FIRST walk for 403 steps (8 resets) in 24 ms. (16 steps per ms) remains 303/303 properties
BEST_FIRST walk for 403 steps (8 resets) in 18 ms. (21 steps per ms) remains 303/303 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
BEST_FIRST walk for 404 steps (8 resets) in 25 ms. (15 steps per ms) remains 303/303 properties
BEST_FIRST walk for 404 steps (8 resets) in 22 ms. (17 steps per ms) remains 303/303 properties
BEST_FIRST walk for 402 steps (8 resets) in 24 ms. (16 steps per ms) remains 303/303 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 303/303 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 303/303 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 303/303 properties
BEST_FIRST walk for 403 steps (8 resets) in 6 ms. (57 steps per ms) remains 303/303 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 303/303 properties
BEST_FIRST walk for 402 steps (8 resets) in 8 ms. (44 steps per ms) remains 303/303 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 303/303 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 303/303 properties
BEST_FIRST walk for 402 steps (8 resets) in 6 ms. (57 steps per ms) remains 303/303 properties
BEST_FIRST walk for 403 steps (8 resets) in 6 ms. (57 steps per ms) remains 303/303 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 303/303 properties
BEST_FIRST walk for 402 steps (8 resets) in 7 ms. (50 steps per ms) remains 303/303 properties
Loading property file /tmp/ReachabilityCardinality16409260444624896100.prop.
BEST_FIRST walk for 402 steps (8 resets) in 9 ms. (40 steps per ms) remains 303/303 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 303/303 properties
BEST_FIRST walk for 402 steps (8 resets) in 9 ms. (40 steps per ms) remains 303/303 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 303/303 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 303/303 properties
BEST_FIRST walk for 403 steps (8 resets) in 9 ms. (40 steps per ms) remains 303/303 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 303/303 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 303/303 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 303/303 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 303/303 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 303/303 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 303/303 properties
BEST_FIRST walk for 403 steps (8 resets) in 13 ms. (28 steps per ms) remains 303/303 properties
BEST_FIRST walk for 402 steps (8 resets) in 9 ms. (40 steps per ms) remains 303/303 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 303/303 properties
BEST_FIRST walk for 403 steps (8 resets) in 6 ms. (57 steps per ms) remains 303/303 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 303/303 properties
BEST_FIRST walk for 402 steps (8 resets) in 9 ms. (40 steps per ms) remains 303/303 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 303/303 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 303/303 properties
BEST_FIRST walk for 403 steps (8 resets) in 10 ms. (36 steps per ms) remains 303/303 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 303/303 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 303/303 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 303/303 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 303/303 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 303/303 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 303/303 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 303/303 properties
BEST_FIRST walk for 402 steps (8 resets) in 8 ms. (44 steps per ms) remains 303/303 properties
BEST_FIRST walk for 402 steps (8 resets) in 8 ms. (44 steps per ms) remains 303/303 properties
[2026-05-25 09:57:50] [INFO ] Flow matrix only has 733 transitions (discarded 20 similar events)
// Phase 1: matrix 733 rows 558 cols
[2026-05-25 09:57:50] [INFO ] Computed 18 invariants in 29 ms
[2026-05-25 09:57:50] [INFO ] State equation strengthened by 1 read => feed constraints.
SDD proceeding with computation,358 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,358 properties remain. new max is 8
SDD size :5 after 11
SDD proceeding with computation,358 properties remain. new max is 16
SDD size :11 after 12
SDD proceeding with computation,358 properties remain. new max is 32
SDD size :12 after 16
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,358 properties remain. new max is 64
SDD size :16 after 27
SDD proceeding with computation,358 properties remain. new max is 128
SDD size :27 after 41
SDD proceeding with computation,358 properties remain. new max is 256
SDD size :41 after 461
SDD proceeding with computation,358 properties remain. new max is 512
SDD size :461 after 2.79368e+08
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/303 variables, 303/303 constraints. Problems are: Problem set: 0 solved, 303 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 303/1291 variables, and 303 constraints, problems are : Problem set: 0 solved, 303 unsolved in 5092 ms.
Refiners :[Domain max(s): 303/558 constraints, Positive P Invariants (semi-flows): 0/10 constraints, Generalized P Invariants (flows): 0/8 constraints, State Equation: 0/558 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 303/303 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 303 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/303 variables, 303/303 constraints. Problems are: Problem set: 0 solved, 303 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/303 variables, 0/303 constraints. Problems are: Problem set: 0 solved, 303 unsolved
At refinement iteration 2 (OVERLAPS) 49/352 variables, 10/313 constraints. Problems are: Problem set: 0 solved, 303 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/352 variables, 49/362 constraints. Problems are: Problem set: 0 solved, 303 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:57:59] [INFO ] Deduced a trap composed of 90 places in 105 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:57:59] [INFO ] Deduced a trap composed of 88 places in 178 ms of which 20 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 352/1291 variables, and 364 constraints, problems are : Problem set: 0 solved, 303 unsolved in 5043 ms.
Refiners :[Domain max(s): 352/558 constraints, Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 0/8 constraints, State Equation: 0/558 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/303 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10352ms problems are : Problem set: 0 solved, 303 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 303 out of 558 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 558/558 places, 753/753 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 21 transitions
Reduce isomorphic transitions removed 21 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 145 transitions
Trivial Post-agglo rules discarded 145 transitions
Performed 145 trivial Post agglomeration. Transition count delta: 145
Iterating post reduction 0 with 166 rules applied. Total rules applied 166 place count 558 transition count 587
Reduce places removed 145 places and 0 transitions.
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 9 transitions
Trivial Post-agglo rules discarded 9 transitions
Performed 9 trivial Post agglomeration. Transition count delta: 9
Iterating post reduction 1 with 162 rules applied. Total rules applied 328 place count 413 transition count 570
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 2 with 9 rules applied. Total rules applied 337 place count 404 transition count 570
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 10 Pre rules applied. Total rules applied 337 place count 404 transition count 560
Deduced a syphon composed of 10 places in 1 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 3 with 20 rules applied. Total rules applied 357 place count 394 transition count 560
Performed 19 Post agglomeration using F-continuation condition.Transition count delta: 19
Deduced a syphon composed of 19 places in 1 ms
Reduce places removed 19 places and 0 transitions.
Iterating global reduction 3 with 38 rules applied. Total rules applied 395 place count 375 transition count 541
Performed 7 Post agglomeration using F-continuation condition with reduction of 6 identical transitions.
Deduced a syphon composed of 7 places in 1 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 3 with 14 rules applied. Total rules applied 409 place count 368 transition count 590
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 3 with 8 rules applied. Total rules applied 417 place count 368 transition count 582
Drop transitions (Redundant composition of simpler transitions.) removed 24 transitions
Redundant transition composition rules discarded 24 transitions
Iterating global reduction 4 with 24 rules applied. Total rules applied 441 place count 368 transition count 558
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -10
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 443 place count 367 transition count 568
Free-agglomeration rule applied 25 times.
Iterating global reduction 4 with 25 rules applied. Total rules applied 468 place count 367 transition count 543
Reduce places removed 25 places and 0 transitions.
Iterating post reduction 4 with 25 rules applied. Total rules applied 493 place count 342 transition count 543
Partial Free-agglomeration rule applied 9 times.
Drop transitions (Partial Free agglomeration) removed 9 transitions
Iterating global reduction 5 with 9 rules applied. Total rules applied 502 place count 342 transition count 543
Applied a total of 502 rules in 242 ms. Remains 342 /558 variables (removed 216) and now considering 543/753 (removed 210) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 265 ms. Remains : 342/558 places, 543/753 transitions.
RANDOM walk for 4000000 steps (441243 resets) in 57417 ms. (69 steps per ms) remains 138/303 properties
BEST_FIRST walk for 40004 steps (587 resets) in 128 ms. (310 steps per ms) remains 138/138 properties
BEST_FIRST walk for 40004 steps (589 resets) in 109 ms. (363 steps per ms) remains 138/138 properties
BEST_FIRST walk for 40003 steps (597 resets) in 98 ms. (404 steps per ms) remains 138/138 properties
BEST_FIRST walk for 40003 steps (594 resets) in 117 ms. (339 steps per ms) remains 138/138 properties
BEST_FIRST walk for 40004 steps (597 resets) in 98 ms. (404 steps per ms) remains 138/138 properties
BEST_FIRST walk for 40004 steps (597 resets) in 99 ms. (400 steps per ms) remains 138/138 properties
BEST_FIRST walk for 40003 steps (594 resets) in 104 ms. (380 steps per ms) remains 138/138 properties
BEST_FIRST walk for 40003 steps (604 resets) in 125 ms. (317 steps per ms) remains 138/138 properties
BEST_FIRST walk for 40004 steps (592 resets) in 118 ms. (336 steps per ms) remains 138/138 properties
BEST_FIRST walk for 40004 steps (587 resets) in 150 ms. (264 steps per ms) remains 138/138 properties
BEST_FIRST walk for 40003 steps (599 resets) in 130 ms. (305 steps per ms) remains 138/138 properties
BEST_FIRST walk for 40004 steps (597 resets) in 100 ms. (396 steps per ms) remains 138/138 properties
BEST_FIRST walk for 40003 steps (583 resets) in 98 ms. (404 steps per ms) remains 138/138 properties
BEST_FIRST walk for 40004 steps (582 resets) in 93 ms. (425 steps per ms) remains 138/138 properties
BEST_FIRST walk for 40003 steps (614 resets) in 98 ms. (404 steps per ms) remains 138/138 properties
BEST_FIRST walk for 40003 steps (588 resets) in 105 ms. (377 steps per ms) remains 138/138 properties
BEST_FIRST walk for 40004 steps (601 resets) in 94 ms. (421 steps per ms) remains 138/138 properties
BEST_FIRST walk for 40004 steps (597 resets) in 116 ms. (341 steps per ms) remains 138/138 properties
BEST_FIRST walk for 40004 steps (587 resets) in 91 ms. (434 steps per ms) remains 138/138 properties
BEST_FIRST walk for 40004 steps (593 resets) in 102 ms. (388 steps per ms) remains 138/138 properties
BEST_FIRST walk for 40004 steps (597 resets) in 79 ms. (500 steps per ms) remains 138/138 properties
BEST_FIRST walk for 40004 steps (598 resets) in 111 ms. (357 steps per ms) remains 138/138 properties
BEST_FIRST walk for 40004 steps (583 resets) in 95 ms. (416 steps per ms) remains 138/138 properties
BEST_FIRST walk for 40004 steps (591 resets) in 105 ms. (377 steps per ms) remains 138/138 properties
BEST_FIRST walk for 40003 steps (578 resets) in 95 ms. (416 steps per ms) remains 138/138 properties
BEST_FIRST walk for 40004 steps (583 resets) in 111 ms. (357 steps per ms) remains 138/138 properties
BEST_FIRST walk for 40004 steps (590 resets) in 102 ms. (388 steps per ms) remains 138/138 properties
BEST_FIRST walk for 40004 steps (599 resets) in 82 ms. (481 steps per ms) remains 138/138 properties
BEST_FIRST walk for 40004 steps (585 resets) in 105 ms. (377 steps per ms) remains 138/138 properties
BEST_FIRST walk for 40004 steps (577 resets) in 94 ms. (421 steps per ms) remains 138/138 properties
BEST_FIRST walk for 40003 steps (585 resets) in 120 ms. (330 steps per ms) remains 138/138 properties
BEST_FIRST walk for 40003 steps (597 resets) in 114 ms. (347 steps per ms) remains 138/138 properties
BEST_FIRST walk for 40004 steps (584 resets) in 130 ms. (305 steps per ms) remains 138/138 properties
BEST_FIRST walk for 40003 steps (604 resets) in 91 ms. (434 steps per ms) remains 138/138 properties
BEST_FIRST walk for 40003 steps (596 resets) in 102 ms. (388 steps per ms) remains 138/138 properties
BEST_FIRST walk for 40002 steps (591 resets) in 99 ms. (400 steps per ms) remains 138/138 properties
BEST_FIRST walk for 40004 steps (588 resets) in 118 ms. (336 steps per ms) remains 138/138 properties
BEST_FIRST walk for 40004 steps (603 resets) in 115 ms. (344 steps per ms) remains 138/138 properties
BEST_FIRST walk for 40003 steps (601 resets) in 90 ms. (439 steps per ms) remains 138/138 properties
BEST_FIRST walk for 40001 steps (610 resets) in 115 ms. (344 steps per ms) remains 138/138 properties
BEST_FIRST walk for 40004 steps (590 resets) in 108 ms. (367 steps per ms) remains 138/138 properties
BEST_FIRST walk for 40004 steps (588 resets) in 97 ms. (408 steps per ms) remains 138/138 properties
BEST_FIRST walk for 40004 steps (599 resets) in 95 ms. (416 steps per ms) remains 138/138 properties
BEST_FIRST walk for 40004 steps (590 resets) in 88 ms. (449 steps per ms) remains 138/138 properties
BEST_FIRST walk for 40003 steps (582 resets) in 115 ms. (344 steps per ms) remains 138/138 properties
BEST_FIRST walk for 40004 steps (590 resets) in 116 ms. (341 steps per ms) remains 138/138 properties
BEST_FIRST walk for 40004 steps (577 resets) in 83 ms. (476 steps per ms) remains 138/138 properties
BEST_FIRST walk for 40004 steps (594 resets) in 121 ms. (327 steps per ms) remains 138/138 properties
BEST_FIRST walk for 40003 steps (597 resets) in 111 ms. (357 steps per ms) remains 138/138 properties
BEST_FIRST walk for 40003 steps (594 resets) in 95 ms. (416 steps per ms) remains 138/138 properties
// Phase 1: matrix 543 rows 342 cols
[2026-05-25 09:58:19] [INFO ] Computed 18 invariants in 4 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/138 variables, 138/138 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/138 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 2 (OVERLAPS) 102/240 variables, 10/148 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/240 variables, 102/250 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/240 variables, 0/250 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 5 (OVERLAPS) 102/342 variables, 8/258 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/342 variables, 102/360 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/342 variables, 0/360 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 8 (OVERLAPS) 543/885 variables, 342/702 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/885 variables, 0/702 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 10 (OVERLAPS) 0/885 variables, 0/702 constraints. Problems are: Problem set: 0 solved, 138 unsolved
No progress, stopping.
After SMT solving in domain Real declared 885/885 variables, and 702 constraints, problems are : Problem set: 0 solved, 138 unsolved in 8036 ms.
Refiners :[Domain max(s): 342/342 constraints, Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 342/342 constraints, PredecessorRefiner: 138/138 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 138 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/138 variables, 138/138 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/138 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 2 (OVERLAPS) 102/240 variables, 10/148 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/240 variables, 102/250 constraints. Problems are: Problem set: 0 solved, 138 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:28] [INFO ] Deduced a trap composed of 58 places in 117 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:28] [INFO ] Deduced a trap composed of 62 places in 117 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:28] [INFO ] Deduced a trap composed of 62 places in 114 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:28] [INFO ] Deduced a trap composed of 62 places in 97 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:29] [INFO ] Deduced a trap composed of 62 places in 105 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:29] [INFO ] Deduced a trap composed of 62 places in 102 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:29] [INFO ] Deduced a trap composed of 62 places in 92 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:29] [INFO ] Deduced a trap composed of 62 places in 95 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:29] [INFO ] Deduced a trap composed of 62 places in 80 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:29] [INFO ] Deduced a trap composed of 63 places in 70 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:29] [INFO ] Deduced a trap composed of 63 places in 69 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:29] [INFO ] Deduced a trap composed of 63 places in 79 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:29] [INFO ] Deduced a trap composed of 63 places in 68 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:30] [INFO ] Deduced a trap composed of 63 places in 75 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:30] [INFO ] Deduced a trap composed of 63 places in 72 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:30] [INFO ] Deduced a trap composed of 64 places in 67 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:30] [INFO ] Deduced a trap composed of 63 places in 70 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:30] [INFO ] Deduced a trap composed of 75 places in 58 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/240 variables, 18/268 constraints. Problems are: Problem set: 0 solved, 138 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:31] [INFO ] Deduced a trap composed of 63 places in 74 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:31] [INFO ] Deduced a trap composed of 64 places in 77 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:31] [INFO ] Deduced a trap composed of 64 places in 84 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:31] [INFO ] Deduced a trap composed of 67 places in 73 ms of which 7 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/240 variables, 4/272 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/240 variables, 0/272 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 7 (OVERLAPS) 102/342 variables, 8/280 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/342 variables, 102/382 constraints. Problems are: Problem set: 0 solved, 138 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:33] [INFO ] Deduced a trap composed of 56 places in 174 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:33] [INFO ] Deduced a trap composed of 56 places in 149 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:33] [INFO ] Deduced a trap composed of 67 places in 183 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:33] [INFO ] Deduced a trap composed of 65 places in 143 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:33] [INFO ] Deduced a trap composed of 72 places in 125 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:34] [INFO ] Deduced a trap composed of 56 places in 134 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:34] [INFO ] Deduced a trap composed of 56 places in 139 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:34] [INFO ] Deduced a trap composed of 56 places in 146 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:34] [INFO ] Deduced a trap composed of 56 places in 81 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:34] [INFO ] Deduced a trap composed of 56 places in 80 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:34] [INFO ] Deduced a trap composed of 67 places in 134 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:35] [INFO ] Deduced a trap composed of 67 places in 129 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:35] [INFO ] Deduced a trap composed of 72 places in 148 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:35] [INFO ] Deduced a trap composed of 72 places in 130 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:35] [INFO ] Deduced a trap composed of 56 places in 73 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:35] [INFO ] Deduced a trap composed of 65 places in 111 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:35] [INFO ] Deduced a trap composed of 67 places in 110 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:36] [INFO ] Deduced a trap composed of 65 places in 109 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:36] [INFO ] Deduced a trap composed of 56 places in 121 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:36] [INFO ] Deduced a trap composed of 56 places in 66 ms of which 7 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/342 variables, 20/402 constraints. Problems are: Problem set: 0 solved, 138 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:36] [INFO ] Deduced a trap composed of 56 places in 76 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:36] [INFO ] Deduced a trap composed of 56 places in 64 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:36] [INFO ] Deduced a trap composed of 56 places in 69 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:36] [INFO ] Deduced a trap composed of 56 places in 147 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:37] [INFO ] Deduced a trap composed of 56 places in 148 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:37] [INFO ] Deduced a trap composed of 66 places in 160 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:37] [INFO ] Deduced a trap composed of 64 places in 251 ms of which 110 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:37] [INFO ] Deduced a trap composed of 66 places in 121 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:37] [INFO ] Deduced a trap composed of 69 places in 131 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:38] [INFO ] Deduced a trap composed of 56 places in 74 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:38] [INFO ] Deduced a trap composed of 69 places in 130 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:38] [INFO ] Deduced a trap composed of 66 places in 126 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:38] [INFO ] Deduced a trap composed of 56 places in 127 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:38] [INFO ] Deduced a trap composed of 67 places in 125 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:38] [INFO ] Deduced a trap composed of 67 places in 118 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:39] [INFO ] Deduced a trap composed of 56 places in 126 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:39] [INFO ] Deduced a trap composed of 67 places in 119 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:39] [INFO ] Deduced a trap composed of 69 places in 143 ms of which 47 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:39] [INFO ] Deduced a trap composed of 69 places in 129 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:40] [INFO ] Deduced a trap composed of 69 places in 130 ms of which 31 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/342 variables, 20/422 constraints. Problems are: Problem set: 0 solved, 138 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:40] [INFO ] Deduced a trap composed of 72 places in 113 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:40] [INFO ] Deduced a trap composed of 13 places in 136 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:40] [INFO ] Deduced a trap composed of 13 places in 129 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:41] [INFO ] Deduced a trap composed of 13 places in 126 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:41] [INFO ] Deduced a trap composed of 56 places in 81 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:41] [INFO ] Deduced a trap composed of 56 places in 74 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:41] [INFO ] Deduced a trap composed of 56 places in 76 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:41] [INFO ] Deduced a trap composed of 66 places in 120 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:42] [INFO ] Deduced a trap composed of 67 places in 120 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:42] [INFO ] Deduced a trap composed of 58 places in 143 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:42] [INFO ] Deduced a trap composed of 63 places in 139 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:42] [INFO ] Deduced a trap composed of 69 places in 115 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:42] [INFO ] Deduced a trap composed of 69 places in 113 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:43] [INFO ] Deduced a trap composed of 71 places in 111 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:43] [INFO ] Deduced a trap composed of 71 places in 115 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:43] [INFO ] Deduced a trap composed of 71 places in 111 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:43] [INFO ] Deduced a trap composed of 76 places in 98 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:43] [INFO ] Deduced a trap composed of 76 places in 116 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:43] [INFO ] Deduced a trap composed of 76 places in 109 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:43] [INFO ] Deduced a trap composed of 56 places in 132 ms of which 27 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/342 variables, 20/442 constraints. Problems are: Problem set: 0 solved, 138 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:44] [INFO ] Deduced a trap composed of 68 places in 119 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:44] [INFO ] Deduced a trap composed of 63 places in 145 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:44] [INFO ] Deduced a trap composed of 68 places in 125 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:44] [INFO ] Deduced a trap composed of 56 places in 77 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:45] [INFO ] Deduced a trap composed of 56 places in 71 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:45] [INFO ] Deduced a trap composed of 66 places in 214 ms of which 99 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:45] [INFO ] Deduced a trap composed of 66 places in 161 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:45] [INFO ] Deduced a trap composed of 68 places in 158 ms of which 46 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:46] [INFO ] Deduced a trap composed of 68 places in 192 ms of which 79 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:46] [INFO ] Deduced a trap composed of 78 places in 132 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:46] [INFO ] Deduced a trap composed of 73 places in 138 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:46] [INFO ] Deduced a trap composed of 78 places in 126 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:46] [INFO ] Deduced a trap composed of 78 places in 95 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:46] [INFO ] Deduced a trap composed of 63 places in 148 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:47] [INFO ] Deduced a trap composed of 66 places in 130 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:47] [INFO ] Deduced a trap composed of 68 places in 128 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:47] [INFO ] Deduced a trap composed of 68 places in 134 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:47] [INFO ] Deduced a trap composed of 68 places in 127 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:47] [INFO ] Deduced a trap composed of 68 places in 134 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:48] [INFO ] Deduced a trap composed of 73 places in 102 ms of which 16 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/342 variables, 20/462 constraints. Problems are: Problem set: 0 solved, 138 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:49] [INFO ] Deduced a trap composed of 67 places in 154 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:49] [INFO ] Deduced a trap composed of 67 places in 156 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:49] [INFO ] Deduced a trap composed of 63 places in 142 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:50] [INFO ] Deduced a trap composed of 74 places in 124 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:50] [INFO ] Deduced a trap composed of 81 places in 116 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:50] [INFO ] Deduced a trap composed of 56 places in 109 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:50] [INFO ] Deduced a trap composed of 58 places in 106 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:50] [INFO ] Deduced a trap composed of 76 places in 107 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:50] [INFO ] Deduced a trap composed of 81 places in 118 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:50] [INFO ] Deduced a trap composed of 81 places in 91 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:50] [INFO ] Deduced a trap composed of 66 places in 137 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:51] [INFO ] Deduced a trap composed of 68 places in 123 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:51] [INFO ] Deduced a trap composed of 69 places in 127 ms of which 26 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/342 variables, 13/475 constraints. Problems are: Problem set: 0 solved, 138 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:51] [INFO ] Deduced a trap composed of 70 places in 139 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:52] [INFO ] Deduced a trap composed of 68 places in 128 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:53] [INFO ] Deduced a trap composed of 66 places in 132 ms of which 19 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 3/478 constraints. Problems are: Problem set: 0 solved, 138 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:54] [INFO ] Deduced a trap composed of 56 places in 75 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:54] [INFO ] Deduced a trap composed of 56 places in 62 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:54] [INFO ] Deduced a trap composed of 73 places in 119 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:55] [INFO ] Deduced a trap composed of 73 places in 105 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:55] [INFO ] Deduced a trap composed of 70 places in 127 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:55] [INFO ] Deduced a trap composed of 70 places in 122 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:55] [INFO ] Deduced a trap composed of 70 places in 119 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:55] [INFO ] Deduced a trap composed of 70 places in 116 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:55] [INFO ] Deduced a trap composed of 75 places in 106 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:55] [INFO ] Deduced a trap composed of 75 places in 99 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:56] [INFO ] Deduced a trap composed of 71 places in 123 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:56] [INFO ] Deduced a trap composed of 71 places in 119 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:56] [INFO ] Deduced a trap composed of 71 places in 119 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:56] [INFO ] Deduced a trap composed of 71 places in 117 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:56] [INFO ] Deduced a trap composed of 71 places in 121 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:56] [INFO ] Deduced a trap composed of 71 places in 115 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:56] [INFO ] Deduced a trap composed of 76 places in 113 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:56] [INFO ] Deduced a trap composed of 76 places in 114 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:57] [INFO ] Deduced a trap composed of 76 places in 113 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:57] [INFO ] Deduced a trap composed of 56 places in 124 ms of which 24 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/342 variables, 20/498 constraints. Problems are: Problem set: 0 solved, 138 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:58:58] [INFO ] Deduced a trap composed of 56 places in 81 ms of which 14 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/342 variables, 1/499 constraints. Problems are: Problem set: 0 solved, 138 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:59:00] [INFO ] Deduced a trap composed of 78 places in 108 ms of which 16 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/342 variables, 1/500 constraints. Problems are: Problem set: 0 solved, 138 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:59:01] [INFO ] Deduced a trap composed of 56 places in 87 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:59:01] [INFO ] Deduced a trap composed of 56 places in 74 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:59:02] [INFO ] Deduced a trap composed of 74 places in 127 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:59:02] [INFO ] Deduced a trap composed of 81 places in 108 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:59:02] [INFO ] Deduced a trap composed of 81 places in 113 ms of which 16 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/342 variables, 5/505 constraints. Problems are: Problem set: 0 solved, 138 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:59:04] [INFO ] Deduced a trap composed of 73 places in 99 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:59:04] [INFO ] Deduced a trap composed of 68 places in 114 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:59:04] [INFO ] Deduced a trap composed of 68 places in 115 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:59:04] [INFO ] Deduced a trap composed of 68 places in 107 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:59:04] [INFO ] Deduced a trap composed of 70 places in 116 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:59:04] [INFO ] Deduced a trap composed of 75 places in 107 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:59:05] [INFO ] Deduced a trap composed of 75 places in 111 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:59:05] [INFO ] Deduced a trap composed of 80 places in 110 ms of which 17 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/342 variables, 8/513 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/342 variables, 0/513 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 21 (OVERLAPS) 543/885 variables, 342/855 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/885 variables, 138/993 constraints. Problems are: Problem set: 0 solved, 138 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:59:11] [INFO ] Deduced a trap composed of 68 places in 147 ms of which 31 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 885/885 variables, and 994 constraints, problems are : Problem set: 0 solved, 138 unsolved in 45019 ms.
Refiners :[Domain max(s): 342/342 constraints, Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 342/342 constraints, PredecessorRefiner: 138/138 constraints, Known Traps: 154/154 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 53081ms problems are : Problem set: 0 solved, 138 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 138 out of 342 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 342/342 places, 543/543 transitions.
Graph (complete) has 997 edges and 342 vertex of which 333 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.3 ms
Discarding 9 places :
Also discarding 0 output transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 61 transitions
Trivial Post-agglo rules discarded 61 transitions
Performed 61 trivial Post agglomeration. Transition count delta: 61
Iterating post reduction 0 with 61 rules applied. Total rules applied 62 place count 333 transition count 482
Reduce places removed 61 places and 0 transitions.
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 1 with 70 rules applied. Total rules applied 132 place count 272 transition count 473
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 136 place count 268 transition count 473
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 5 Pre rules applied. Total rules applied 136 place count 268 transition count 468
Deduced a syphon composed of 5 places in 1 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 3 with 10 rules applied. Total rules applied 146 place count 263 transition count 468
Discarding 47 places :
Symmetric choice reduction at 3 with 47 rule applications. Total rules 193 place count 216 transition count 358
Iterating global reduction 3 with 47 rules applied. Total rules applied 240 place count 216 transition count 358
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 245 place count 211 transition count 348
Iterating global reduction 3 with 5 rules applied. Total rules applied 250 place count 211 transition count 348
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 3 with 9 rules applied. Total rules applied 259 place count 211 transition count 339
Performed 12 Post agglomeration using F-continuation condition.Transition count delta: 12
Deduced a syphon composed of 12 places in 1 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 4 with 24 rules applied. Total rules applied 283 place count 199 transition count 327
Performed 10 Post agglomeration using F-continuation condition with reduction of 4 identical transitions.
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 4 with 20 rules applied. Total rules applied 303 place count 189 transition count 379
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 304 place count 189 transition count 378
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 5 with 2 rules applied. Total rules applied 306 place count 189 transition count 376
Free-agglomeration rule applied 2 times.
Iterating global reduction 5 with 2 rules applied. Total rules applied 308 place count 189 transition count 374
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 310 place count 187 transition count 374
Partial Free-agglomeration rule applied 10 times.
Drop transitions (Partial Free agglomeration) removed 10 transitions
Iterating global reduction 6 with 10 rules applied. Total rules applied 320 place count 187 transition count 374
Partial Free-agglomeration rule applied 8 times.
Drop transitions (Partial Free agglomeration) removed 8 transitions
Iterating global reduction 6 with 8 rules applied. Total rules applied 328 place count 187 transition count 374
Applied a total of 328 rules in 106 ms. Remains 187 /342 variables (removed 155) and now considering 374/543 (removed 169) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 106 ms. Remains : 187/342 places, 374/543 transitions.
RANDOM walk for 4000000 steps (425659 resets) in 49161 ms. (81 steps per ms) remains 30/138 properties
BEST_FIRST walk for 400004 steps (4647 resets) in 460 ms. (867 steps per ms) remains 30/30 properties
BEST_FIRST walk for 400003 steps (4628 resets) in 545 ms. (732 steps per ms) remains 30/30 properties
BEST_FIRST walk for 400004 steps (4664 resets) in 433 ms. (921 steps per ms) remains 30/30 properties
BEST_FIRST walk for 400004 steps (4626 resets) in 410 ms. (973 steps per ms) remains 30/30 properties
BEST_FIRST walk for 400003 steps (4638 resets) in 408 ms. (978 steps per ms) remains 30/30 properties
BEST_FIRST walk for 400004 steps (4601 resets) in 470 ms. (849 steps per ms) remains 30/30 properties
BEST_FIRST walk for 400004 steps (4626 resets) in 473 ms. (843 steps per ms) remains 30/30 properties
BEST_FIRST walk for 400003 steps (4617 resets) in 489 ms. (816 steps per ms) remains 30/30 properties
BEST_FIRST walk for 400004 steps (4670 resets) in 462 ms. (863 steps per ms) remains 30/30 properties
BEST_FIRST walk for 400004 steps (4626 resets) in 585 ms. (682 steps per ms) remains 26/30 properties
BEST_FIRST walk for 400004 steps (4612 resets) in 780 ms. (512 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (4583 resets) in 538 ms. (742 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (4637 resets) in 446 ms. (894 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (4610 resets) in 433 ms. (921 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (4624 resets) in 455 ms. (877 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (4648 resets) in 439 ms. (909 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (4660 resets) in 500 ms. (798 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (4623 resets) in 447 ms. (892 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (4641 resets) in 527 ms. (757 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (4629 resets) in 426 ms. (936 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (4602 resets) in 399 ms. (1000 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (4605 resets) in 434 ms. (919 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (4649 resets) in 482 ms. (828 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (4624 resets) in 458 ms. (871 steps per ms) remains 23/26 properties
BEST_FIRST walk for 400004 steps (4638 resets) in 534 ms. (747 steps per ms) remains 23/23 properties
BEST_FIRST walk for 400004 steps (4624 resets) in 469 ms. (851 steps per ms) remains 23/23 properties
[2026-05-25 09:59:29] [INFO ] Flow matrix only has 351 transitions (discarded 23 similar events)
// Phase 1: matrix 351 rows 187 cols
[2026-05-25 09:59:29] [INFO ] Computed 9 invariants in 3 ms
[2026-05-25 09:59:29] [INFO ] State equation strengthened by 7 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 1 (OVERLAPS) 15/38 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/38 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 3 (OVERLAPS) 149/187 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/187 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 5 (OVERLAPS) 351/538 variables, 187/196 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/538 variables, 7/203 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/538 variables, 0/203 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 8 (OVERLAPS) 0/538 variables, 0/203 constraints. Problems are: Problem set: 0 solved, 23 unsolved
No progress, stopping.
After SMT solving in domain Real declared 538/538 variables, and 203 constraints, problems are : Problem set: 0 solved, 23 unsolved in 591 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 187/187 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 23/23 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 23 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 1 (OVERLAPS) 15/38 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/38 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 3 (OVERLAPS) 149/187 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 23 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:59:30] [INFO ] Deduced a trap composed of 25 places in 99 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:59:30] [INFO ] Deduced a trap composed of 26 places in 97 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:59:30] [INFO ] Deduced a trap composed of 33 places in 99 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:59:30] [INFO ] Deduced a trap composed of 37 places in 53 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:59:30] [INFO ] Deduced a trap composed of 37 places in 50 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/187 variables, 5/14 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/187 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 6 (OVERLAPS) 351/538 variables, 187/201 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/538 variables, 7/208 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/538 variables, 23/231 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/538 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 10 (OVERLAPS) 0/538 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 23 unsolved
No progress, stopping.
After SMT solving in domain Int declared 538/538 variables, and 231 constraints, problems are : Problem set: 0 solved, 23 unsolved in 2727 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 187/187 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 23/23 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3327ms problems are : Problem set: 0 solved, 23 unsolved
Fused 23 Parikh solutions to 16 different solutions.
Parikh walk visited 0 properties in 192 ms.
Support contains 23 out of 187 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 187/187 places, 374/374 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 78 transitions
Trivial Post-agglo rules discarded 78 transitions
Performed 78 trivial Post agglomeration. Transition count delta: 78
Iterating post reduction 0 with 78 rules applied. Total rules applied 78 place count 187 transition count 296
Reduce places removed 78 places and 0 transitions.
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 1 with 91 rules applied. Total rules applied 169 place count 109 transition count 283
Discarding 20 places :
Symmetric choice reduction at 2 with 20 rule applications. Total rules 189 place count 89 transition count 243
Iterating global reduction 2 with 20 rules applied. Total rules applied 209 place count 89 transition count 243
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 211 place count 87 transition count 239
Iterating global reduction 2 with 2 rules applied. Total rules applied 213 place count 87 transition count 239
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 214 place count 86 transition count 238
Iterating global reduction 2 with 1 rules applied. Total rules applied 215 place count 86 transition count 238
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 216 place count 85 transition count 234
Iterating global reduction 2 with 1 rules applied. Total rules applied 217 place count 85 transition count 234
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 223 place count 85 transition count 228
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
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 229 place count 82 transition count 225
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -24
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 235 place count 79 transition count 249
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 236 place count 79 transition count 248
Partial Free-agglomeration rule applied 5 times.
Drop transitions (Partial Free agglomeration) removed 5 transitions
Iterating global reduction 3 with 5 rules applied. Total rules applied 241 place count 79 transition count 248
Applied a total of 241 rules in 40 ms. Remains 79 /187 variables (removed 108) and now considering 248/374 (removed 126) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40 ms. Remains : 79/187 places, 248/374 transitions.
RANDOM walk for 4000000 steps (424315 resets) in 25658 ms. (155 steps per ms) remains 11/23 properties
BEST_FIRST walk for 4000002 steps (46840 resets) in 3387 ms. (1180 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000003 steps (46841 resets) in 3276 ms. (1220 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000003 steps (46845 resets) in 3286 ms. (1216 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000004 steps (46711 resets) in 3297 ms. (1212 steps per ms) remains 11/11 properties
BEST_FIRST walk for 3666483 steps (42916 resets) in 2926 ms. (1252 steps per ms) remains 0/11 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query StableMarking after proving 360 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK MARKED_SUFFIX_TEST TRIVIAL_UNMARKED_SCC_TEST BESTFIRST_WALK TOPOLOGICAL
Total runtime 116396 ms.

BK_STOP 1779703185536

--------------------
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
+ [[ StableMarking = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution StableMarking -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//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination StableMarking -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="HealthRecord-PT-17"
export BK_EXAMINATION="StableMarking"
export BK_TOOL="gold2025"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5973"
echo " Executing tool gold2025"
echo " Input is HealthRecord-PT-17, examination is StableMarking"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r160-tall-177961080100418"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/HealthRecord-PT-17.tgz
mv HealthRecord-PT-17 execution
cd execution
if [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "UpperBounds" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] || [ "StableMarking" = "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 [ "StableMarking" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "StableMarking" != "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 "StableMarking.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 '' StableMarking.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] ; then
echo "FORMULA_NAME StableMarking"
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 ;