Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r098-smll-174860112300247.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-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 2-5832
Executing tool gold2024
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 r098-smll-174860112300247
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 616K
-rw-r--r-- 1 mcc users 5.4K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 49K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.4K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.9K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 77K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.8K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 78K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 3 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 247K May 29 14:32 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 1748685292311

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=FireWire-PT-20
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-05-31 09:54:54] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-05-31 09:54:54] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-31 09:54:54] [INFO ] Load time of PNML (sax parser for PT used): 182 ms
[2025-05-31 09:54:54] [INFO ] Transformed 626 places.
[2025-05-31 09:54:54] [INFO ] Transformed 1031 transitions.
[2025-05-31 09:54:54] [INFO ] Found NUPN structural information;
[2025-05-31 09:54:54] [INFO ] Parsed PT model containing 626 places and 1031 transitions and 3196 arcs in 356 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 9 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 23 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 2 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 220 ms. Remains 272 /626 variables (removed 354) and now considering 1039/1031 (removed -8) transitions.
[2025-05-31 09:54:55] [INFO ] Flow matrix only has 986 transitions (discarded 53 similar events)
// Phase 1: matrix 986 rows 272 cols
[2025-05-31 09:54:55] [INFO ] Computed 10 invariants in 27 ms
[2025-05-31 09:54:56] [INFO ] Implicit Places using invariants in 895 ms returned []
[2025-05-31 09:54:56] [INFO ] Flow matrix only has 986 transitions (discarded 53 similar events)
[2025-05-31 09:54:56] [INFO ] Invariant cache hit.
[2025-05-31 09:54:56] [INFO ] State equation strengthened by 19 read => feed constraints.
[2025-05-31 09:54:58] [INFO ] Implicit Places using invariants and state equation in 2217 ms returned []
Implicit Place search using SMT with State Equation took 3308 ms to find 0 implicit places.
Running 1012 sub problems to find dead transitions.
[2025-05-31 09:54:58] [INFO ] Flow matrix only has 986 transitions (discarded 53 similar events)
[2025-05-31 09:54:58] [INFO ] Invariant cache hit.
[2025-05-31 09:54:58] [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
[2025-05-31 09:55:21] [INFO ] Deduced a trap composed of 79 places in 379 ms of which 30 ms to minimize.
[2025-05-31 09:55:21] [INFO ] Deduced a trap composed of 96 places in 322 ms of which 4 ms to minimize.
[2025-05-31 09:55:21] [INFO ] Deduced a trap composed of 88 places in 296 ms of which 3 ms to minimize.
[2025-05-31 09:55:23] [INFO ] Deduced a trap composed of 57 places in 105 ms of which 2 ms to minimize.
[2025-05-31 09:55:23] [INFO ] Deduced a trap composed of 57 places in 89 ms of which 1 ms to minimize.
[2025-05-31 09:55:23] [INFO ] Deduced a trap composed of 150 places in 247 ms of which 3 ms to minimize.
[2025-05-31 09:55:24] [INFO ] Deduced a trap composed of 169 places in 252 ms of which 3 ms to minimize.
[2025-05-31 09:55:24] [INFO ] Deduced a trap composed of 189 places in 325 ms of which 5 ms to minimize.
[2025-05-31 09:55:24] [INFO ] Deduced a trap composed of 179 places in 425 ms of which 4 ms to minimize.
[2025-05-31 09:55:25] [INFO ] Deduced a trap composed of 57 places in 65 ms of which 1 ms to minimize.
[2025-05-31 09:55:25] [INFO ] Deduced a trap composed of 34 places in 374 ms of which 4 ms to minimize.
[2025-05-31 09:55:27] [INFO ] Deduced a trap composed of 26 places in 387 ms of which 3 ms to minimize.
[2025-05-31 09:55:27] [INFO ] Deduced a trap composed of 58 places in 65 ms of which 1 ms to minimize.
[2025-05-31 09:55:27] [INFO ] Deduced a trap composed of 46 places in 54 ms of which 1 ms to minimize.
[2025-05-31 09:55:27] [INFO ] Deduced a trap composed of 58 places in 68 ms of which 2 ms to minimize.
[2025-05-31 09:55:27] [INFO ] Deduced a trap composed of 46 places in 72 ms of which 1 ms to minimize.
[2025-05-31 09:55:28] [INFO ] Deduced a trap composed of 58 places in 66 ms of which 1 ms to minimize.
[2025-05-31 09:55:28] [INFO ] Deduced a trap composed of 46 places in 54 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 272/1258 variables, and 300 constraints, problems are : Problem set: 0 solved, 1012 unsolved in 30067 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: 18/18 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, 18/300 constraints. Problems are: Problem set: 0 solved, 1012 unsolved
[2025-05-31 09:55:41] [INFO ] Deduced a trap composed of 189 places in 302 ms of which 3 ms to minimize.
[2025-05-31 09:55:41] [INFO ] Deduced a trap composed of 189 places in 296 ms of which 3 ms to minimize.
[2025-05-31 09:55:41] [INFO ] Deduced a trap composed of 199 places in 244 ms of which 2 ms to minimize.
[2025-05-31 09:55:43] [INFO ] Deduced a trap composed of 25 places in 304 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/272 variables, 4/304 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 304 constraints, problems are : Problem set: 0 solved, 1012 unsolved in 30028 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: 22/22 constraints]
After SMT, in 62772ms problems are : Problem set: 0 solved, 1012 unsolved
Search for dead transitions found 0 dead transitions in 62834ms
Starting structural reductions in LIVENESS mode, iteration 1 : 272/626 places, 1039/1031 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 66442 ms. Remains : 272/626 places, 1039/1031 transitions.
Discarding 473 transitions out of 1039. Remains 566
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (1520 resets) in 4617 ms. (8 steps per ms) remains 435/565 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 435/435 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 435/435 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 435/435 properties
BEST_FIRST walk for 404 steps (8 resets) in 12 ms. (31 steps per ms) remains 435/435 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 435/435 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 435/435 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 435/435 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 435/435 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 435/435 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 435/435 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 435/435 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 435/435 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 435/435 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 435/435 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 435/435 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 435/435 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 435/435 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 435/435 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 435/435 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 435/435 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 435/435 properties
BEST_FIRST walk for 404 steps (8 resets) in 12 ms. (31 steps per ms) remains 435/435 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 435/435 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 435/435 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 435/435 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 435/435 properties
BEST_FIRST walk for 404 steps (8 resets) in 12 ms. (31 steps per ms) remains 435/435 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 435/435 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 435/435 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 435/435 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 435/435 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 435/435 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 435/435 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 435/435 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 435/435 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 435/435 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 435/435 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 435/435 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 435/435 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 435/435 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 435/435 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 435/435 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 435/435 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 435/435 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 435/435 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 435/435 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 435/435 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 435/435 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 435/435 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 435/435 properties
[2025-05-31 09:56:02] [INFO ] Flow matrix only has 986 transitions (discarded 53 similar events)
[2025-05-31 09:56:02] [INFO ] Invariant cache hit.
[2025-05-31 09:56:02] [INFO ] State equation strengthened by 19 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/238 variables, 238/238 constraints. Problems are: Problem set: 0 solved, 435 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/238 variables, 0/238 constraints. Problems are: Problem set: 0 solved, 435 unsolved
SMT process timed out in 5891ms, After SMT, problems are : Problem set: 0 solved, 435 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 238 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 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 6 place count 269 transition count 1033
Iterating global reduction 1 with 3 rules applied. Total rules applied 9 place count 269 transition count 1033
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 19 transitions.
Iterating post reduction 1 with 19 rules applied. Total rules applied 28 place count 269 transition count 1014
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 40 place count 269 transition count 1002
Free-agglomeration rule applied 6 times.
Iterating global reduction 2 with 6 rules applied. Total rules applied 46 place count 269 transition count 996
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 52 place count 263 transition count 996
Applied a total of 52 rules in 180 ms. Remains 263 /272 variables (removed 9) and now considering 996/1039 (removed 43) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 180 ms. Remains : 263/272 places, 996/1039 transitions.
RANDOM walk for 4000000 steps (125059 resets) in 91894 ms. (43 steps per ms) remains 212/435 properties
BEST_FIRST walk for 40003 steps (130 resets) in 210 ms. (189 steps per ms) remains 208/212 properties
BEST_FIRST walk for 40003 steps (234 resets) in 205 ms. (194 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40002 steps (135 resets) in 241 ms. (165 steps per ms) remains 206/208 properties
BEST_FIRST walk for 40003 steps (243 resets) in 214 ms. (186 steps per ms) remains 206/206 properties
BEST_FIRST walk for 40004 steps (128 resets) in 291 ms. (137 steps per ms) remains 206/206 properties
BEST_FIRST walk for 40004 steps (234 resets) in 274 ms. (145 steps per ms) remains 206/206 properties
BEST_FIRST walk for 40004 steps (132 resets) in 306 ms. (130 steps per ms) remains 206/206 properties
BEST_FIRST walk for 40003 steps (239 resets) in 262 ms. (152 steps per ms) remains 206/206 properties
BEST_FIRST walk for 40004 steps (129 resets) in 249 ms. (160 steps per ms) remains 206/206 properties
BEST_FIRST walk for 40003 steps (235 resets) in 141 ms. (281 steps per ms) remains 206/206 properties
BEST_FIRST walk for 40003 steps (135 resets) in 154 ms. (258 steps per ms) remains 206/206 properties
BEST_FIRST walk for 40004 steps (237 resets) in 141 ms. (281 steps per ms) remains 206/206 properties
BEST_FIRST walk for 40004 steps (132 resets) in 157 ms. (253 steps per ms) remains 204/206 properties
BEST_FIRST walk for 40003 steps (248 resets) in 140 ms. (283 steps per ms) remains 204/204 properties
BEST_FIRST walk for 40002 steps (128 resets) in 216 ms. (184 steps per ms) remains 202/204 properties
BEST_FIRST walk for 40004 steps (240 resets) in 179 ms. (222 steps per ms) remains 202/202 properties
BEST_FIRST walk for 40004 steps (127 resets) in 193 ms. (206 steps per ms) remains 201/202 properties
BEST_FIRST walk for 40004 steps (236 resets) in 179 ms. (222 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40001 steps (136 resets) in 201 ms. (198 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40004 steps (238 resets) in 179 ms. (222 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (133 resets) in 188 ms. (211 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40004 steps (227 resets) in 170 ms. (233 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40003 steps (135 resets) in 236 ms. (168 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40004 steps (232 resets) in 189 ms. (210 steps per ms) remains 201/201 properties
BEST_FIRST walk for 40002 steps (131 resets) in 252 ms. (158 steps per ms) remains 200/201 properties
BEST_FIRST walk for 40003 steps (240 resets) in 241 ms. (165 steps per ms) remains 200/200 properties
BEST_FIRST walk for 40004 steps (128 resets) in 246 ms. (161 steps per ms) remains 199/200 properties
BEST_FIRST walk for 40004 steps (235 resets) in 185 ms. (215 steps per ms) remains 199/199 properties
BEST_FIRST walk for 40004 steps (124 resets) in 174 ms. (228 steps per ms) remains 199/199 properties
BEST_FIRST walk for 40004 steps (231 resets) in 137 ms. (289 steps per ms) remains 199/199 properties
BEST_FIRST walk for 40003 steps (128 resets) in 149 ms. (266 steps per ms) remains 198/199 properties
BEST_FIRST walk for 40003 steps (246 resets) in 136 ms. (291 steps per ms) remains 198/198 properties
BEST_FIRST walk for 40003 steps (125 resets) in 150 ms. (264 steps per ms) remains 196/198 properties
BEST_FIRST walk for 40004 steps (228 resets) in 136 ms. (292 steps per ms) remains 196/196 properties
BEST_FIRST walk for 40004 steps (133 resets) in 149 ms. (266 steps per ms) remains 196/196 properties
BEST_FIRST walk for 40001 steps (241 resets) in 135 ms. (294 steps per ms) remains 196/196 properties
BEST_FIRST walk for 40004 steps (129 resets) in 151 ms. (263 steps per ms) remains 196/196 properties
BEST_FIRST walk for 40004 steps (239 resets) in 132 ms. (300 steps per ms) remains 196/196 properties
BEST_FIRST walk for 40004 steps (132 resets) in 157 ms. (253 steps per ms) remains 196/196 properties
BEST_FIRST walk for 40003 steps (229 resets) in 138 ms. (287 steps per ms) remains 196/196 properties
BEST_FIRST walk for 40003 steps (133 resets) in 152 ms. (261 steps per ms) remains 196/196 properties
BEST_FIRST walk for 40002 steps (238 resets) in 135 ms. (294 steps per ms) remains 196/196 properties
BEST_FIRST walk for 40004 steps (241 resets) in 135 ms. (294 steps per ms) remains 196/196 properties
BEST_FIRST walk for 40004 steps (233 resets) in 147 ms. (270 steps per ms) remains 196/196 properties
BEST_FIRST walk for 40004 steps (226 resets) in 132 ms. (300 steps per ms) remains 196/196 properties
BEST_FIRST walk for 40004 steps (241 resets) in 134 ms. (296 steps per ms) remains 196/196 properties
BEST_FIRST walk for 40003 steps (232 resets) in 132 ms. (300 steps per ms) remains 196/196 properties
BEST_FIRST walk for 40003 steps (242 resets) in 132 ms. (300 steps per ms) remains 196/196 properties
BEST_FIRST walk for 40003 steps (227 resets) in 131 ms. (303 steps per ms) remains 196/196 properties
BEST_FIRST walk for 40004 steps (243 resets) in 131 ms. (303 steps per ms) remains 196/196 properties
BEST_FIRST walk for 40003 steps (230 resets) in 136 ms. (291 steps per ms) remains 196/196 properties
BEST_FIRST walk for 40002 steps (233 resets) in 132 ms. (300 steps per ms) remains 196/196 properties
BEST_FIRST walk for 40004 steps (236 resets) in 133 ms. (298 steps per ms) remains 194/196 properties
BEST_FIRST walk for 40003 steps (130 resets) in 150 ms. (264 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40001 steps (134 resets) in 148 ms. (268 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40003 steps (136 resets) in 152 ms. (261 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40003 steps (121 resets) in 152 ms. (261 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (242 resets) in 134 ms. (296 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (237 resets) in 133 ms. (298 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40003 steps (243 resets) in 153 ms. (259 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40002 steps (239 resets) in 137 ms. (289 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40003 steps (233 resets) in 136 ms. (291 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40003 steps (248 resets) in 136 ms. (291 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40003 steps (242 resets) in 134 ms. (296 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40003 steps (243 resets) in 136 ms. (291 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (237 resets) in 141 ms. (281 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40003 steps (239 resets) in 136 ms. (291 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (240 resets) in 136 ms. (292 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (246 resets) in 143 ms. (277 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (247 resets) in 137 ms. (289 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40002 steps (240 resets) in 135 ms. (294 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40002 steps (243 resets) in 136 ms. (291 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40003 steps (233 resets) in 135 ms. (294 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (236 resets) in 135 ms. (294 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (239 resets) in 137 ms. (289 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (238 resets) in 137 ms. (289 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40003 steps (242 resets) in 134 ms. (296 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40003 steps (242 resets) in 135 ms. (294 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (235 resets) in 136 ms. (292 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (244 resets) in 135 ms. (294 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (236 resets) in 136 ms. (292 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40003 steps (245 resets) in 132 ms. (300 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40003 steps (242 resets) in 138 ms. (287 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (248 resets) in 136 ms. (292 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40002 steps (246 resets) in 135 ms. (294 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40002 steps (232 resets) in 135 ms. (294 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40003 steps (235 resets) in 134 ms. (296 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40003 steps (243 resets) in 136 ms. (291 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40003 steps (234 resets) in 137 ms. (289 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40002 steps (237 resets) in 135 ms. (294 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40004 steps (234 resets) in 135 ms. (294 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40003 steps (248 resets) in 135 ms. (294 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40002 steps (237 resets) in 135 ms. (294 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40003 steps (243 resets) in 144 ms. (275 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40003 steps (240 resets) in 142 ms. (279 steps per ms) remains 194/194 properties
BEST_FIRST walk for 40002 steps (242 resets) in 137 ms. (289 steps per ms) remains 193/194 properties
BEST_FIRST walk for 40004 steps (241 resets) in 137 ms. (289 steps per ms) remains 192/193 properties
BEST_FIRST walk for 40004 steps (246 resets) in 139 ms. (285 steps per ms) remains 192/192 properties
BEST_FIRST walk for 40004 steps (249 resets) in 156 ms. (254 steps per ms) remains 192/192 properties
BEST_FIRST walk for 40004 steps (246 resets) in 133 ms. (298 steps per ms) remains 192/192 properties
BEST_FIRST walk for 40004 steps (247 resets) in 138 ms. (287 steps per ms) remains 192/192 properties
BEST_FIRST walk for 40002 steps (237 resets) in 137 ms. (289 steps per ms) remains 192/192 properties
BEST_FIRST walk for 40003 steps (247 resets) in 135 ms. (294 steps per ms) remains 192/192 properties
BEST_FIRST walk for 40004 steps (245 resets) in 137 ms. (289 steps per ms) remains 192/192 properties
BEST_FIRST walk for 40003 steps (251 resets) in 136 ms. (291 steps per ms) remains 192/192 properties
BEST_FIRST walk for 40004 steps (243 resets) in 135 ms. (294 steps per ms) remains 192/192 properties
BEST_FIRST walk for 40004 steps (260 resets) in 137 ms. (289 steps per ms) remains 192/192 properties
BEST_FIRST walk for 40002 steps (243 resets) in 136 ms. (291 steps per ms) remains 192/192 properties
BEST_FIRST walk for 40001 steps (226 resets) in 137 ms. (289 steps per ms) remains 192/192 properties
BEST_FIRST walk for 40004 steps (239 resets) in 137 ms. (289 steps per ms) remains 192/192 properties
BEST_FIRST walk for 40004 steps (238 resets) in 138 ms. (287 steps per ms) remains 192/192 properties
BEST_FIRST walk for 40004 steps (255 resets) in 138 ms. (287 steps per ms) remains 192/192 properties
BEST_FIRST walk for 40004 steps (253 resets) in 136 ms. (292 steps per ms) remains 192/192 properties
BEST_FIRST walk for 40003 steps (241 resets) in 136 ms. (291 steps per ms) remains 192/192 properties
BEST_FIRST walk for 40002 steps (244 resets) in 136 ms. (291 steps per ms) remains 191/192 properties
BEST_FIRST walk for 40004 steps (244 resets) in 137 ms. (289 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40004 steps (245 resets) in 135 ms. (294 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40003 steps (249 resets) in 141 ms. (281 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40003 steps (226 resets) in 143 ms. (277 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40003 steps (242 resets) in 138 ms. (287 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40003 steps (233 resets) in 135 ms. (294 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40002 steps (246 resets) in 138 ms. (287 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40004 steps (243 resets) in 135 ms. (294 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40002 steps (242 resets) in 137 ms. (289 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40003 steps (251 resets) in 136 ms. (291 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40003 steps (203 resets) in 119 ms. (333 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40004 steps (213 resets) in 120 ms. (330 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40003 steps (205 resets) in 117 ms. (339 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40004 steps (201 resets) in 117 ms. (339 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40003 steps (244 resets) in 135 ms. (294 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40004 steps (201 resets) in 119 ms. (333 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40004 steps (200 resets) in 120 ms. (330 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40003 steps (233 resets) in 137 ms. (289 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40004 steps (224 resets) in 123 ms. (322 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40004 steps (249 resets) in 136 ms. (292 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40003 steps (238 resets) in 132 ms. (300 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40001 steps (250 resets) in 133 ms. (298 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40004 steps (247 resets) in 137 ms. (289 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40004 steps (240 resets) in 136 ms. (292 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40002 steps (240 resets) in 137 ms. (289 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40004 steps (239 resets) in 134 ms. (296 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40002 steps (240 resets) in 138 ms. (287 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40003 steps (248 resets) in 135 ms. (294 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40003 steps (211 resets) in 119 ms. (333 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40004 steps (207 resets) in 118 ms. (336 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40003 steps (205 resets) in 123 ms. (322 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40003 steps (201 resets) in 117 ms. (339 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40004 steps (247 resets) in 135 ms. (294 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40002 steps (207 resets) in 120 ms. (330 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40002 steps (208 resets) in 120 ms. (330 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40003 steps (245 resets) in 133 ms. (298 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40004 steps (241 resets) in 139 ms. (285 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40002 steps (251 resets) in 136 ms. (291 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40004 steps (243 resets) in 132 ms. (300 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40004 steps (250 resets) in 134 ms. (296 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40004 steps (252 resets) in 134 ms. (296 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40004 steps (242 resets) in 137 ms. (289 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40003 steps (242 resets) in 136 ms. (291 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40004 steps (236 resets) in 134 ms. (296 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40003 steps (237 resets) in 136 ms. (291 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40003 steps (214 resets) in 118 ms. (336 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40003 steps (198 resets) in 116 ms. (341 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40003 steps (206 resets) in 119 ms. (333 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40003 steps (200 resets) in 119 ms. (333 steps per ms) remains 191/191 properties
[2025-05-31 09:56:39] [INFO ] Flow matrix only has 945 transitions (discarded 51 similar events)
// Phase 1: matrix 945 rows 263 cols
[2025-05-31 09:56:39] [INFO ] Computed 10 invariants in 7 ms
[2025-05-31 09:56:39] [INFO ] State equation strengthened by 21 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/132 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 1 (OVERLAPS) 122/254 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 191 unsolved
[2025-05-31 09:56:41] [INFO ] Deduced a trap composed of 44 places in 78 ms of which 1 ms to minimize.
[2025-05-31 09:56:41] [INFO ] Deduced a trap composed of 56 places in 71 ms of which 1 ms to minimize.
[2025-05-31 09:56:41] [INFO ] Deduced a trap composed of 44 places in 70 ms of which 1 ms to minimize.
[2025-05-31 09:56:42] [INFO ] Deduced a trap composed of 44 places in 69 ms of which 2 ms to minimize.
[2025-05-31 09:56:42] [INFO ] Deduced a trap composed of 55 places in 67 ms of which 1 ms to minimize.
[2025-05-31 09:56:42] [INFO ] Deduced a trap composed of 55 places in 64 ms of which 2 ms to minimize.
[2025-05-31 09:56:42] [INFO ] Deduced a trap composed of 55 places in 68 ms of which 1 ms to minimize.
[2025-05-31 09:56:43] [INFO ] Deduced a trap composed of 34 places in 338 ms of which 3 ms to minimize.
[2025-05-31 09:56:43] [INFO ] Deduced a trap composed of 56 places in 86 ms of which 1 ms to minimize.
[2025-05-31 09:56:44] [INFO ] Deduced a trap composed of 56 places in 268 ms of which 3 ms to minimize.
[2025-05-31 09:56:44] [INFO ] Deduced a trap composed of 79 places in 339 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/254 variables, 11/21 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 4 (OVERLAPS) 945/1199 variables, 254/275 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1199 variables, 21/296 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1199 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 7 (OVERLAPS) 9/1208 variables, 9/305 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1208 variables, 0/305 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 9 (OVERLAPS) 0/1208 variables, 0/305 constraints. Problems are: Problem set: 0 solved, 191 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1208/1208 variables, and 305 constraints, problems are : Problem set: 0 solved, 191 unsolved in 44169 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 263/263 constraints, ReadFeed: 21/21 constraints, PredecessorRefiner: 191/191 constraints, Known Traps: 11/11 constraints]
Escalating to Integer solving :Problem set: 0 solved, 191 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/132 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 1 (OVERLAPS) 122/254 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/254 variables, 11/21 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 4 (OVERLAPS) 945/1199 variables, 254/275 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1199 variables, 21/296 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1199 variables, 181/477 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1199 variables, 0/477 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 8 (OVERLAPS) 9/1208 variables, 9/486 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1208 variables, 10/496 constraints. Problems are: Problem set: 0 solved, 191 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1208/1208 variables, and 496 constraints, problems are : Problem set: 0 solved, 191 unsolved in 45016 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 263/263 constraints, ReadFeed: 21/21 constraints, PredecessorRefiner: 191/191 constraints, Known Traps: 11/11 constraints]
After SMT, in 89434ms problems are : Problem set: 0 solved, 191 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 132 out of 263 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 263/263 places, 996/996 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 258 transition count 816
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 258 transition count 816
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 11 place count 258 transition count 815
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 14 place count 255 transition count 806
Iterating global reduction 1 with 3 rules applied. Total rules applied 17 place count 255 transition count 806
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 1 with 12 rules applied. Total rules applied 29 place count 255 transition count 794
Free-agglomeration rule applied 5 times.
Iterating global reduction 2 with 5 rules applied. Total rules applied 34 place count 255 transition count 789
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 2 with 5 rules applied. Total rules applied 39 place count 250 transition count 789
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 48 place count 250 transition count 780
Applied a total of 48 rules in 93 ms. Remains 250 /263 variables (removed 13) and now considering 780/996 (removed 216) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 93 ms. Remains : 250/263 places, 780/996 transitions.
RANDOM walk for 4000000 steps (115391 resets) in 60587 ms. (66 steps per ms) remains 178/191 properties
BEST_FIRST walk for 40002 steps (73 resets) in 132 ms. (300 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40004 steps (213 resets) in 127 ms. (312 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40003 steps (72 resets) in 130 ms. (305 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40004 steps (225 resets) in 125 ms. (317 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40003 steps (73 resets) in 129 ms. (307 steps per ms) remains 177/178 properties
BEST_FIRST walk for 40002 steps (236 resets) in 127 ms. (312 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40003 steps (73 resets) in 131 ms. (303 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40003 steps (207 resets) in 127 ms. (312 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40002 steps (72 resets) in 133 ms. (298 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40003 steps (227 resets) in 136 ms. (291 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40004 steps (75 resets) in 152 ms. (261 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40003 steps (220 resets) in 156 ms. (254 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40003 steps (73 resets) in 158 ms. (251 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40004 steps (234 resets) in 154 ms. (258 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40003 steps (75 resets) in 158 ms. (251 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40004 steps (212 resets) in 158 ms. (251 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40002 steps (77 resets) in 159 ms. (250 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40003 steps (223 resets) in 151 ms. (263 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40003 steps (74 resets) in 149 ms. (266 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40002 steps (236 resets) in 130 ms. (305 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40002 steps (73 resets) in 130 ms. (305 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40004 steps (219 resets) in 126 ms. (314 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40003 steps (76 resets) in 129 ms. (307 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40004 steps (217 resets) in 129 ms. (307 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40003 steps (69 resets) in 131 ms. (303 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40004 steps (76 resets) in 135 ms. (294 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40004 steps (217 resets) in 128 ms. (310 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40003 steps (74 resets) in 127 ms. (312 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40004 steps (230 resets) in 125 ms. (317 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40003 steps (79 resets) in 130 ms. (305 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40002 steps (220 resets) in 125 ms. (317 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40004 steps (73 resets) in 129 ms. (307 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40004 steps (219 resets) in 126 ms. (314 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40003 steps (75 resets) in 151 ms. (263 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40003 steps (215 resets) in 153 ms. (259 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40003 steps (74 resets) in 160 ms. (248 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40004 steps (218 resets) in 160 ms. (248 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40003 steps (214 resets) in 150 ms. (264 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40004 steps (230 resets) in 152 ms. (261 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40003 steps (215 resets) in 152 ms. (261 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40002 steps (230 resets) in 144 ms. (275 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40004 steps (227 resets) in 144 ms. (275 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40002 steps (210 resets) in 119 ms. (333 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40003 steps (214 resets) in 118 ms. (336 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40003 steps (205 resets) in 122 ms. (325 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40003 steps (222 resets) in 118 ms. (336 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40003 steps (230 resets) in 119 ms. (333 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40003 steps (226 resets) in 120 ms. (330 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40002 steps (73 resets) in 135 ms. (294 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40003 steps (70 resets) in 128 ms. (310 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40004 steps (76 resets) in 144 ms. (275 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40004 steps (78 resets) in 130 ms. (305 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40003 steps (223 resets) in 125 ms. (317 steps per ms) remains 177/177 properties
BEST_FIRST walk for 40004 steps (231 resets) in 146 ms. (272 steps per ms) remains 177/177 properties
Interrupted probabilistic random walk after 2853096 steps, run timeout after 51001 ms. (steps per millisecond=55 ) properties seen :52 out of 177
Probabilistic random walk after 2853096 steps, saw 974636 distinct states, run finished after 51010 ms. (steps per millisecond=55 ) properties seen :52
[2025-05-31 09:59:17] [INFO ] Flow matrix only has 753 transitions (discarded 27 similar events)
// Phase 1: matrix 753 rows 250 cols
[2025-05-31 09:59:17] [INFO ] Computed 10 invariants in 4 ms
[2025-05-31 09:59:17] [INFO ] State equation strengthened by 15 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 125 unsolved
At refinement iteration 1 (OVERLAPS) 154/236 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 125 unsolved
[2025-05-31 09:59:19] [INFO ] Deduced a trap composed of 41 places in 161 ms of which 3 ms to minimize.
[2025-05-31 09:59:19] [INFO ] Deduced a trap composed of 41 places in 79 ms of which 6 ms to minimize.
[2025-05-31 09:59:19] [INFO ] Deduced a trap composed of 41 places in 49 ms of which 1 ms to minimize.
[2025-05-31 09:59:19] [INFO ] Deduced a trap composed of 52 places in 54 ms of which 2 ms to minimize.
[2025-05-31 09:59:19] [INFO ] Deduced a trap composed of 52 places in 57 ms of which 1 ms to minimize.
[2025-05-31 09:59:19] [INFO ] Deduced a trap composed of 52 places in 59 ms of which 1 ms to minimize.
[2025-05-31 09:59:20] [INFO ] Deduced a trap composed of 33 places in 192 ms of which 3 ms to minimize.
[2025-05-31 09:59:20] [INFO ] Deduced a trap composed of 30 places in 230 ms of which 3 ms to minimize.
[2025-05-31 09:59:20] [INFO ] Deduced a trap composed of 54 places in 57 ms of which 1 ms to minimize.
[2025-05-31 09:59:20] [INFO ] Deduced a trap composed of 54 places in 60 ms of which 2 ms to minimize.
[2025-05-31 09:59:20] [INFO ] Deduced a trap composed of 54 places in 55 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/236 variables, 11/21 constraints. Problems are: Problem set: 0 solved, 125 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/236 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 125 unsolved
At refinement iteration 4 (OVERLAPS) 753/989 variables, 236/257 constraints. Problems are: Problem set: 0 solved, 125 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/989 variables, 15/272 constraints. Problems are: Problem set: 0 solved, 125 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/989 variables, 0/272 constraints. Problems are: Problem set: 0 solved, 125 unsolved
At refinement iteration 7 (OVERLAPS) 14/1003 variables, 14/286 constraints. Problems are: Problem set: 0 solved, 125 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1003 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 125 unsolved
At refinement iteration 9 (OVERLAPS) 0/1003 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 125 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1003/1003 variables, and 286 constraints, problems are : Problem set: 0 solved, 125 unsolved in 21991 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 250/250 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 125/125 constraints, Known Traps: 11/11 constraints]
Escalating to Integer solving :Problem set: 0 solved, 125 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 125 unsolved
At refinement iteration 1 (OVERLAPS) 154/236 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 125 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/236 variables, 11/21 constraints. Problems are: Problem set: 0 solved, 125 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/236 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 125 unsolved
At refinement iteration 4 (OVERLAPS) 753/989 variables, 236/257 constraints. Problems are: Problem set: 0 solved, 125 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/989 variables, 15/272 constraints. Problems are: Problem set: 0 solved, 125 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/989 variables, 121/393 constraints. Problems are: Problem set: 0 solved, 125 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/989 variables, 0/393 constraints. Problems are: Problem set: 0 solved, 125 unsolved
At refinement iteration 8 (OVERLAPS) 14/1003 variables, 14/407 constraints. Problems are: Problem set: 0 solved, 125 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1003 variables, 4/411 constraints. Problems are: Problem set: 0 solved, 125 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1003 variables, 0/411 constraints. Problems are: Problem set: 0 solved, 125 unsolved
At refinement iteration 11 (OVERLAPS) 0/1003 variables, 0/411 constraints. Problems are: Problem set: 0 solved, 125 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1003/1003 variables, and 411 constraints, problems are : Problem set: 0 solved, 125 unsolved in 59047 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 250/250 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 125/125 constraints, Known Traps: 11/11 constraints]
After SMT, in 81225ms problems are : Problem set: 0 solved, 125 unsolved
Parikh walk visited 0 properties in 17566 ms.
Support contains 82 out of 250 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 250/250 places, 780/780 transitions.
Discarding 14 places :
Symmetric choice reduction at 0 with 14 rule applications. Total rules 14 place count 236 transition count 680
Iterating global reduction 0 with 14 rules applied. Total rules applied 28 place count 236 transition count 680
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 29 place count 236 transition count 679
Free-agglomeration rule applied 3 times.
Iterating global reduction 1 with 3 rules applied. Total rules applied 32 place count 236 transition count 676
Reduce places removed 3 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 1 with 12 rules applied. Total rules applied 44 place count 233 transition count 667
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 46 place count 231 transition count 665
Iterating global reduction 2 with 2 rules applied. Total rules applied 48 place count 231 transition count 665
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 54 place count 231 transition count 659
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 70 place count 231 transition count 643
Applied a total of 70 rules in 71 ms. Remains 231 /250 variables (removed 19) and now considering 643/780 (removed 137) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 71 ms. Remains : 231/250 places, 643/780 transitions.
RANDOM walk for 4000000 steps (124578 resets) in 47729 ms. (83 steps per ms) remains 122/125 properties
BEST_FIRST walk for 40003 steps (90 resets) in 248 ms. (160 steps per ms) remains 122/122 properties
BEST_FIRST walk for 40003 steps (236 resets) in 271 ms. (147 steps per ms) remains 122/122 properties
BEST_FIRST walk for 40004 steps (89 resets) in 258 ms. (154 steps per ms) remains 122/122 properties
BEST_FIRST walk for 40004 steps (228 resets) in 299 ms. (133 steps per ms) remains 122/122 properties
BEST_FIRST walk for 40003 steps (89 resets) in 332 ms. (120 steps per ms) remains 122/122 properties
BEST_FIRST walk for 40004 steps (238 resets) in 310 ms. (128 steps per ms) remains 122/122 properties
BEST_FIRST walk for 40004 steps (91 resets) in 301 ms. (132 steps per ms) remains 122/122 properties
BEST_FIRST walk for 40002 steps (239 resets) in 297 ms. (134 steps per ms) remains 122/122 properties
BEST_FIRST walk for 40004 steps (90 resets) in 313 ms. (127 steps per ms) remains 122/122 properties
BEST_FIRST walk for 40004 steps (250 resets) in 263 ms. (151 steps per ms) remains 122/122 properties
BEST_FIRST walk for 40004 steps (88 resets) in 350 ms. (113 steps per ms) remains 122/122 properties
BEST_FIRST walk for 40004 steps (231 resets) in 231 ms. (172 steps per ms) remains 122/122 properties
BEST_FIRST walk for 40004 steps (239 resets) in 323 ms. (123 steps per ms) remains 122/122 properties
BEST_FIRST walk for 40004 steps (81 resets) in 334 ms. (119 steps per ms) remains 122/122 properties
BEST_FIRST walk for 40001 steps (248 resets) in 327 ms. (121 steps per ms) remains 122/122 properties
BEST_FIRST walk for 40003 steps (95 resets) in 234 ms. (170 steps per ms) remains 122/122 properties
BEST_FIRST walk for 40004 steps (241 resets) in 251 ms. (158 steps per ms) remains 122/122 properties
BEST_FIRST walk for 40004 steps (90 resets) in 292 ms. (136 steps per ms) remains 122/122 properties
BEST_FIRST walk for 40004 steps (250 resets) in 277 ms. (143 steps per ms) remains 122/122 properties
BEST_FIRST walk for 40003 steps (87 resets) in 354 ms. (112 steps per ms) remains 122/122 properties
BEST_FIRST walk for 40004 steps (237 resets) in 249 ms. (160 steps per ms) remains 122/122 properties
BEST_FIRST walk for 40003 steps (92 resets) in 351 ms. (113 steps per ms) remains 122/122 properties
BEST_FIRST walk for 40003 steps (240 resets) in 304 ms. (131 steps per ms) remains 122/122 properties
BEST_FIRST walk for 40002 steps (91 resets) in 310 ms. (128 steps per ms) remains 122/122 properties
BEST_FIRST walk for 40004 steps (234 resets) in 320 ms. (124 steps per ms) remains 122/122 properties
BEST_FIRST walk for 40003 steps (93 resets) in 347 ms. (114 steps per ms) remains 122/122 properties
BEST_FIRST walk for 40003 steps (257 resets) in 332 ms. (120 steps per ms) remains 122/122 properties
BEST_FIRST walk for 40004 steps (94 resets) in 356 ms. (112 steps per ms) remains 122/122 properties
BEST_FIRST walk for 40003 steps (231 resets) in 188 ms. (211 steps per ms) remains 122/122 properties
BEST_FIRST walk for 40004 steps (91 resets) in 302 ms. (132 steps per ms) remains 122/122 properties
BEST_FIRST walk for 40003 steps (235 resets) in 245 ms. (162 steps per ms) remains 122/122 properties
BEST_FIRST walk for 40002 steps (89 resets) in 319 ms. (125 steps per ms) remains 122/122 properties
BEST_FIRST walk for 40001 steps (237 resets) in 236 ms. (168 steps per ms) remains 122/122 properties
BEST_FIRST walk for 40004 steps (237 resets) in 318 ms. (125 steps per ms) remains 122/122 properties
BEST_FIRST walk for 40004 steps (244 resets) in 312 ms. (127 steps per ms) remains 122/122 properties
BEST_FIRST walk for 40004 steps (249 resets) in 290 ms. (137 steps per ms) remains 122/122 properties
BEST_FIRST walk for 40004 steps (247 resets) in 186 ms. (213 steps per ms) remains 122/122 properties
BEST_FIRST walk for 40003 steps (252 resets) in 272 ms. (146 steps per ms) remains 122/122 properties
BEST_FIRST walk for 40002 steps (238 resets) in 316 ms. (126 steps per ms) remains 122/122 properties
BEST_FIRST walk for 40003 steps (94 resets) in 334 ms. (119 steps per ms) remains 122/122 properties
BEST_FIRST walk for 40003 steps (89 resets) in 372 ms. (107 steps per ms) remains 122/122 properties
BEST_FIRST walk for 40004 steps (92 resets) in 315 ms. (126 steps per ms) remains 122/122 properties
BEST_FIRST walk for 40003 steps (239 resets) in 257 ms. (155 steps per ms) remains 122/122 properties
BEST_FIRST walk for 40003 steps (239 resets) in 236 ms. (168 steps per ms) remains 122/122 properties
BEST_FIRST walk for 40004 steps (259 resets) in 309 ms. (129 steps per ms) remains 122/122 properties
BEST_FIRST walk for 40003 steps (235 resets) in 190 ms. (209 steps per ms) remains 122/122 properties
BEST_FIRST walk for 40003 steps (240 resets) in 250 ms. (159 steps per ms) remains 122/122 properties
BEST_FIRST walk for 40004 steps (250 resets) in 257 ms. (155 steps per ms) remains 122/122 properties
BEST_FIRST walk for 40004 steps (241 resets) in 197 ms. (202 steps per ms) remains 122/122 properties
BEST_FIRST walk for 40003 steps (241 resets) in 389 ms. (102 steps per ms) remains 122/122 properties
Interrupted probabilistic random walk after 2322080 steps, run timeout after 51001 ms. (steps per millisecond=45 ) properties seen :0 out of 122
Probabilistic random walk after 2322080 steps, saw 779836 distinct states, run finished after 51003 ms. (steps per millisecond=45 ) properties seen :0
[2025-05-31 10:02:05] [INFO ] Flow matrix only has 632 transitions (discarded 11 similar events)
// Phase 1: matrix 632 rows 231 cols
[2025-05-31 10:02:05] [INFO ] Computed 10 invariants in 4 ms
[2025-05-31 10:02:05] [INFO ] State equation strengthened by 73 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 122 unsolved
At refinement iteration 1 (OVERLAPS) 140/220 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 122 unsolved
[2025-05-31 10:02:07] [INFO ] Deduced a trap composed of 36 places in 201 ms of which 3 ms to minimize.
[2025-05-31 10:02:07] [INFO ] Deduced a trap composed of 41 places in 100 ms of which 2 ms to minimize.
[2025-05-31 10:02:07] [INFO ] Deduced a trap composed of 36 places in 63 ms of which 2 ms to minimize.
[2025-05-31 10:02:07] [INFO ] Deduced a trap composed of 44 places in 79 ms of which 2 ms to minimize.
[2025-05-31 10:02:07] [INFO ] Deduced a trap composed of 46 places in 78 ms of which 2 ms to minimize.
[2025-05-31 10:02:07] [INFO ] Deduced a trap composed of 52 places in 105 ms of which 2 ms to minimize.
[2025-05-31 10:02:08] [INFO ] Deduced a trap composed of 28 places in 330 ms of which 6 ms to minimize.
[2025-05-31 10:02:08] [INFO ] Deduced a trap composed of 49 places in 76 ms of which 2 ms to minimize.
[2025-05-31 10:02:09] [INFO ] Deduced a trap composed of 49 places in 58 ms of which 1 ms to minimize.
[2025-05-31 10:02:09] [INFO ] Deduced a trap composed of 54 places in 55 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/220 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 122 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/220 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 122 unsolved
At refinement iteration 4 (OVERLAPS) 632/852 variables, 220/240 constraints. Problems are: Problem set: 0 solved, 122 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/852 variables, 73/313 constraints. Problems are: Problem set: 0 solved, 122 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/852 variables, 0/313 constraints. Problems are: Problem set: 0 solved, 122 unsolved
At refinement iteration 7 (OVERLAPS) 11/863 variables, 11/324 constraints. Problems are: Problem set: 0 solved, 122 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/863 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 122 unsolved
At refinement iteration 9 (OVERLAPS) 0/863 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 122 unsolved
No progress, stopping.
After SMT solving in domain Real declared 863/863 variables, and 324 constraints, problems are : Problem set: 0 solved, 122 unsolved in 24826 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 231/231 constraints, ReadFeed: 73/73 constraints, PredecessorRefiner: 122/122 constraints, Known Traps: 10/10 constraints]
Escalating to Integer solving :Problem set: 0 solved, 122 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 122 unsolved
At refinement iteration 1 (OVERLAPS) 140/220 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 122 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/220 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 122 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/220 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 122 unsolved
At refinement iteration 4 (OVERLAPS) 632/852 variables, 220/240 constraints. Problems are: Problem set: 0 solved, 122 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/852 variables, 73/313 constraints. Problems are: Problem set: 0 solved, 122 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/852 variables, 118/431 constraints. Problems are: Problem set: 0 solved, 122 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/852 variables, 0/431 constraints. Problems are: Problem set: 0 solved, 122 unsolved
At refinement iteration 8 (OVERLAPS) 11/863 variables, 11/442 constraints. Problems are: Problem set: 0 solved, 122 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/863 variables, 4/446 constraints. Problems are: Problem set: 0 solved, 122 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/863 variables, 0/446 constraints. Problems are: Problem set: 0 solved, 122 unsolved
At refinement iteration 11 (OVERLAPS) 0/863 variables, 0/446 constraints. Problems are: Problem set: 0 solved, 122 unsolved
No progress, stopping.
After SMT solving in domain Int declared 863/863 variables, and 446 constraints, problems are : Problem set: 0 solved, 122 unsolved in 61065 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 231/231 constraints, ReadFeed: 73/73 constraints, PredecessorRefiner: 122/122 constraints, Known Traps: 10/10 constraints]
After SMT, in 86083ms problems are : Problem set: 0 solved, 122 unsolved
Parikh walk visited 0 properties in 30378 ms.
Support contains 80 out of 231 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 231/231 places, 643/643 transitions.
Applied a total of 0 rules in 16 ms. Remains 231 /231 variables (removed 0) and now considering 643/643 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 231/231 places, 643/643 transitions.
RANDOM walk for 3702366 steps (115462 resets) in 120004 ms. (30 steps per ms) remains 117/122 properties
BEST_FIRST walk for 40003 steps (95 resets) in 315 ms. (126 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40002 steps (245 resets) in 319 ms. (125 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (89 resets) in 408 ms. (97 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40003 steps (242 resets) in 314 ms. (126 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (88 resets) in 314 ms. (126 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40003 steps (234 resets) in 263 ms. (151 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (88 resets) in 324 ms. (123 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40003 steps (253 resets) in 275 ms. (144 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (95 resets) in 414 ms. (96 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (235 resets) in 360 ms. (110 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (96 resets) in 365 ms. (109 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (246 resets) in 348 ms. (114 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (228 resets) in 315 ms. (126 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (90 resets) in 365 ms. (109 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40003 steps (224 resets) in 286 ms. (139 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40003 steps (90 resets) in 373 ms. (106 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (234 resets) in 211 ms. (188 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40003 steps (90 resets) in 317 ms. (125 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40003 steps (239 resets) in 311 ms. (128 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40002 steps (90 resets) in 278 ms. (143 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40003 steps (233 resets) in 296 ms. (134 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (95 resets) in 372 ms. (107 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (242 resets) in 358 ms. (111 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40003 steps (93 resets) in 351 ms. (113 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (246 resets) in 321 ms. (124 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (95 resets) in 191 ms. (208 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40002 steps (249 resets) in 325 ms. (122 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (89 resets) in 278 ms. (143 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40002 steps (241 resets) in 285 ms. (139 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (92 resets) in 335 ms. (119 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40003 steps (235 resets) in 222 ms. (179 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40002 steps (92 resets) in 216 ms. (184 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (229 resets) in 323 ms. (123 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40002 steps (247 resets) in 315 ms. (126 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40003 steps (235 resets) in 253 ms. (157 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40003 steps (234 resets) in 242 ms. (164 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (224 resets) in 304 ms. (131 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (232 resets) in 312 ms. (127 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40003 steps (89 resets) in 442 ms. (90 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (92 resets) in 396 ms. (100 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40002 steps (241 resets) in 339 ms. (117 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40001 steps (240 resets) in 354 ms. (112 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40003 steps (239 resets) in 372 ms. (107 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40003 steps (247 resets) in 360 ms. (110 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (255 resets) in 410 ms. (97 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (253 resets) in 309 ms. (129 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (252 resets) in 271 ms. (147 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40002 steps (243 resets) in 264 ms. (150 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (237 resets) in 270 ms. (147 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40003 steps (227 resets) in 313 ms. (127 steps per ms) remains 117/117 properties
Interrupted probabilistic random walk after 5091669 steps, run timeout after 105001 ms. (steps per millisecond=48 ) properties seen :0 out of 117
Probabilistic random walk after 5091669 steps, saw 1656068 distinct states, run finished after 105002 ms. (steps per millisecond=48 ) properties seen :0
[2025-05-31 10:06:22] [INFO ] Flow matrix only has 632 transitions (discarded 11 similar events)
[2025-05-31 10:06:22] [INFO ] Invariant cache hit.
[2025-05-31 10:06:22] [INFO ] State equation strengthened by 73 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 1 (OVERLAPS) 141/220 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 117 unsolved
[2025-05-31 10:06:23] [INFO ] Deduced a trap composed of 36 places in 210 ms of which 3 ms to minimize.
[2025-05-31 10:06:23] [INFO ] Deduced a trap composed of 41 places in 104 ms of which 3 ms to minimize.
[2025-05-31 10:06:24] [INFO ] Deduced a trap composed of 36 places in 61 ms of which 2 ms to minimize.
[2025-05-31 10:06:24] [INFO ] Deduced a trap composed of 44 places in 75 ms of which 1 ms to minimize.
[2025-05-31 10:06:24] [INFO ] Deduced a trap composed of 46 places in 76 ms of which 2 ms to minimize.
[2025-05-31 10:06:24] [INFO ] Deduced a trap composed of 52 places in 75 ms of which 1 ms to minimize.
[2025-05-31 10:06:25] [INFO ] Deduced a trap composed of 28 places in 308 ms of which 4 ms to minimize.
[2025-05-31 10:06:25] [INFO ] Deduced a trap composed of 49 places in 73 ms of which 2 ms to minimize.
[2025-05-31 10:06:25] [INFO ] Deduced a trap composed of 49 places in 80 ms of which 2 ms to minimize.
[2025-05-31 10:06:25] [INFO ] Deduced a trap composed of 54 places in 82 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/220 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/220 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 4 (OVERLAPS) 632/852 variables, 220/240 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/852 variables, 73/313 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/852 variables, 0/313 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 7 (OVERLAPS) 11/863 variables, 11/324 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/863 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 117 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/863 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 117 unsolved
No progress, stopping.
After SMT solving in domain Real declared 863/863 variables, and 324 constraints, problems are : Problem set: 0 solved, 117 unsolved in 23826 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 231/231 constraints, ReadFeed: 73/73 constraints, PredecessorRefiner: 117/117 constraints, Known Traps: 10/10 constraints]
Escalating to Integer solving :Problem set: 0 solved, 117 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 1 (OVERLAPS) 141/220 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/220 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/220 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 4 (OVERLAPS) 632/852 variables, 220/240 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/852 variables, 73/313 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/852 variables, 113/426 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/852 variables, 0/426 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 8 (OVERLAPS) 11/863 variables, 11/437 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/863 variables, 4/441 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/863 variables, 0/441 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 11 (OVERLAPS) 0/863 variables, 0/441 constraints. Problems are: Problem set: 0 solved, 117 unsolved
No progress, stopping.
After SMT solving in domain Int declared 863/863 variables, and 441 constraints, problems are : Problem set: 0 solved, 117 unsolved in 57471 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 231/231 constraints, ReadFeed: 73/73 constraints, PredecessorRefiner: 117/117 constraints, Known Traps: 10/10 constraints]
After SMT, in 81429ms problems are : Problem set: 0 solved, 117 unsolved
Parikh walk visited 0 properties in 30465 ms.
Support contains 79 out of 231 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 231/231 places, 643/643 transitions.
Applied a total of 0 rules in 22 ms. Remains 231 /231 variables (removed 0) and now considering 643/643 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23 ms. Remains : 231/231 places, 643/643 transitions.
RANDOM walk for 3899446 steps (121575 resets) in 110936 ms. (35 steps per ms) remains 116/117 properties
BEST_FIRST walk for 40002 steps (96 resets) in 280 ms. (142 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40003 steps (253 resets) in 271 ms. (147 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40003 steps (90 resets) in 294 ms. (135 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40004 steps (248 resets) in 275 ms. (144 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40003 steps (91 resets) in 224 ms. (177 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40004 steps (231 resets) in 320 ms. (124 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40003 steps (87 resets) in 321 ms. (124 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40004 steps (242 resets) in 286 ms. (139 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40002 steps (90 resets) in 345 ms. (115 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40002 steps (235 resets) in 199 ms. (200 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40004 steps (96 resets) in 341 ms. (116 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40003 steps (231 resets) in 181 ms. (219 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40002 steps (245 resets) in 280 ms. (142 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40004 steps (91 resets) in 285 ms. (139 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40003 steps (236 resets) in 248 ms. (160 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40004 steps (92 resets) in 265 ms. (150 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40004 steps (240 resets) in 290 ms. (137 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40004 steps (95 resets) in 362 ms. (110 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40004 steps (234 resets) in 233 ms. (170 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40004 steps (93 resets) in 217 ms. (183 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40002 steps (228 resets) in 226 ms. (176 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40004 steps (87 resets) in 239 ms. (166 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40003 steps (244 resets) in 243 ms. (163 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40003 steps (90 resets) in 217 ms. (183 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40003 steps (237 resets) in 313 ms. (127 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40004 steps (90 resets) in 336 ms. (118 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40003 steps (234 resets) in 262 ms. (152 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40001 steps (88 resets) in 321 ms. (124 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40003 steps (233 resets) in 210 ms. (189 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40004 steps (91 resets) in 320 ms. (124 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40004 steps (253 resets) in 308 ms. (129 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40003 steps (88 resets) in 231 ms. (172 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40004 steps (241 resets) in 220 ms. (181 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40003 steps (240 resets) in 197 ms. (202 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40003 steps (247 resets) in 263 ms. (151 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40003 steps (244 resets) in 187 ms. (212 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40004 steps (239 resets) in 191 ms. (208 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40003 steps (255 resets) in 292 ms. (136 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40001 steps (93 resets) in 205 ms. (194 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40004 steps (85 resets) in 426 ms. (93 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40002 steps (232 resets) in 281 ms. (141 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40002 steps (242 resets) in 297 ms. (134 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40003 steps (241 resets) in 340 ms. (117 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40004 steps (240 resets) in 290 ms. (137 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40002 steps (238 resets) in 146 ms. (272 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40003 steps (240 resets) in 298 ms. (133 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40004 steps (241 resets) in 255 ms. (156 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40002 steps (258 resets) in 189 ms. (210 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40003 steps (242 resets) in 340 ms. (117 steps per ms) remains 116/116 properties
BEST_FIRST walk for 40003 steps (249 resets) in 190 ms. (209 steps per ms) remains 116/116 properties
Interrupted probabilistic random walk after 4631499 steps, run timeout after 102001 ms. (steps per millisecond=45 ) properties seen :0 out of 116
Probabilistic random walk after 4631499 steps, saw 1527974 distinct states, run finished after 102002 ms. (steps per millisecond=45 ) properties seen :0
[2025-05-31 10:10:31] [INFO ] Flow matrix only has 632 transitions (discarded 11 similar events)
[2025-05-31 10:10:31] [INFO ] Invariant cache hit.
[2025-05-31 10:10:31] [INFO ] State equation strengthened by 73 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/77 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 1 (OVERLAPS) 139/216 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 116 unsolved
[2025-05-31 10:10:31] [INFO ] Deduced a trap composed of 36 places in 78 ms of which 2 ms to minimize.
[2025-05-31 10:10:31] [INFO ] Deduced a trap composed of 36 places in 45 ms of which 1 ms to minimize.
[2025-05-31 10:10:32] [INFO ] Deduced a trap composed of 44 places in 50 ms of which 1 ms to minimize.
[2025-05-31 10:10:32] [INFO ] Deduced a trap composed of 46 places in 54 ms of which 1 ms to minimize.
[2025-05-31 10:10:32] [INFO ] Deduced a trap composed of 52 places in 48 ms of which 1 ms to minimize.
[2025-05-31 10:10:32] [INFO ] Deduced a trap composed of 28 places in 201 ms of which 2 ms to minimize.
[2025-05-31 10:10:32] [INFO ] Deduced a trap composed of 49 places in 53 ms of which 1 ms to minimize.
[2025-05-31 10:10:33] [INFO ] Deduced a trap composed of 49 places in 55 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/216 variables, 8/17 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/216 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 4 (OVERLAPS) 4/220 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/220 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 6 (OVERLAPS) 632/852 variables, 220/238 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/852 variables, 73/311 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/852 variables, 0/311 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 9 (OVERLAPS) 11/863 variables, 11/322 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/863 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 11 (OVERLAPS) 0/863 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 116 unsolved
No progress, stopping.
After SMT solving in domain Real declared 863/863 variables, and 322 constraints, problems are : Problem set: 0 solved, 116 unsolved in 16986 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 231/231 constraints, ReadFeed: 73/73 constraints, PredecessorRefiner: 116/116 constraints, Known Traps: 8/8 constraints]
Escalating to Integer solving :Problem set: 0 solved, 116 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/77 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 1 (OVERLAPS) 139/216 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/216 variables, 8/17 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/216 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 4 (OVERLAPS) 4/220 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 116 unsolved
[2025-05-31 10:10:49] [INFO ] Deduced a trap composed of 41 places in 46 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/220 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/220 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 7 (OVERLAPS) 632/852 variables, 220/239 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/852 variables, 73/312 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/852 variables, 112/424 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/852 variables, 0/424 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 11 (OVERLAPS) 11/863 variables, 11/435 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/863 variables, 4/439 constraints. Problems are: Problem set: 0 solved, 116 unsolved
[2025-05-31 10:11:26] [INFO ] Deduced a trap composed of 74 places in 322 ms of which 4 ms to minimize.
[2025-05-31 10:11:26] [INFO ] Deduced a trap composed of 71 places in 324 ms of which 4 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/863 variables, 2/441 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/863 variables, 0/441 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 15 (OVERLAPS) 0/863 variables, 0/441 constraints. Problems are: Problem set: 0 solved, 116 unsolved
No progress, stopping.
After SMT solving in domain Int declared 863/863 variables, and 441 constraints, problems are : Problem set: 0 solved, 116 unsolved in 97734 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 231/231 constraints, ReadFeed: 73/73 constraints, PredecessorRefiner: 116/116 constraints, Known Traps: 11/11 constraints]
After SMT, in 114855ms problems are : Problem set: 0 solved, 116 unsolved
Parikh walk visited 0 properties in 14575 ms.
Support contains 77 out of 231 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 231/231 places, 643/643 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 230 transition count 642
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 230 transition count 642
Applied a total of 2 rules in 16 ms. Remains 230 /231 variables (removed 1) and now considering 642/643 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 230/231 places, 642/643 transitions.
RANDOM walk for 3919921 steps (122058 resets) in 113300 ms. (34 steps per ms) remains 115/116 properties
BEST_FIRST walk for 40003 steps (94 resets) in 259 ms. (153 steps per ms) remains 115/115 properties
BEST_FIRST walk for 40003 steps (234 resets) in 233 ms. (170 steps per ms) remains 115/115 properties
BEST_FIRST walk for 40002 steps (92 resets) in 361 ms. (110 steps per ms) remains 115/115 properties
BEST_FIRST walk for 40004 steps (237 resets) in 306 ms. (130 steps per ms) remains 115/115 properties
BEST_FIRST walk for 40004 steps (89 resets) in 234 ms. (170 steps per ms) remains 115/115 properties
BEST_FIRST walk for 40003 steps (242 resets) in 287 ms. (138 steps per ms) remains 115/115 properties
BEST_FIRST walk for 40002 steps (93 resets) in 211 ms. (188 steps per ms) remains 115/115 properties
BEST_FIRST walk for 40003 steps (235 resets) in 205 ms. (194 steps per ms) remains 115/115 properties
BEST_FIRST walk for 40002 steps (94 resets) in 180 ms. (221 steps per ms) remains 115/115 properties
BEST_FIRST walk for 40003 steps (228 resets) in 330 ms. (120 steps per ms) remains 115/115 properties
BEST_FIRST walk for 40002 steps (94 resets) in 264 ms. (150 steps per ms) remains 115/115 properties
BEST_FIRST walk for 40004 steps (245 resets) in 240 ms. (165 steps per ms) remains 115/115 properties
BEST_FIRST walk for 40002 steps (88 resets) in 234 ms. (170 steps per ms) remains 115/115 properties
BEST_FIRST walk for 40003 steps (237 resets) in 346 ms. (115 steps per ms) remains 115/115 properties
BEST_FIRST walk for 40002 steps (89 resets) in 342 ms. (116 steps per ms) remains 115/115 properties
BEST_FIRST walk for 40003 steps (228 resets) in 194 ms. (205 steps per ms) remains 115/115 properties
BEST_FIRST walk for 40003 steps (88 resets) in 261 ms. (152 steps per ms) remains 115/115 properties
BEST_FIRST walk for 40004 steps (246 resets) in 166 ms. (239 steps per ms) remains 115/115 properties
BEST_FIRST walk for 40003 steps (95 resets) in 253 ms. (157 steps per ms) remains 115/115 properties
BEST_FIRST walk for 40004 steps (226 resets) in 292 ms. (136 steps per ms) remains 115/115 properties
BEST_FIRST walk for 40003 steps (91 resets) in 276 ms. (144 steps per ms) remains 115/115 properties
BEST_FIRST walk for 40004 steps (242 resets) in 268 ms. (148 steps per ms) remains 115/115 properties
BEST_FIRST walk for 40004 steps (95 resets) in 347 ms. (114 steps per ms) remains 115/115 properties
BEST_FIRST walk for 40003 steps (249 resets) in 226 ms. (176 steps per ms) remains 115/115 properties
BEST_FIRST walk for 40004 steps (91 resets) in 226 ms. (176 steps per ms) remains 115/115 properties
BEST_FIRST walk for 40003 steps (240 resets) in 363 ms. (109 steps per ms) remains 115/115 properties
BEST_FIRST walk for 40002 steps (93 resets) in 247 ms. (161 steps per ms) remains 115/115 properties
BEST_FIRST walk for 40003 steps (234 resets) in 311 ms. (128 steps per ms) remains 115/115 properties
BEST_FIRST walk for 40002 steps (82 resets) in 369 ms. (108 steps per ms) remains 115/115 properties
BEST_FIRST walk for 40002 steps (252 resets) in 319 ms. (125 steps per ms) remains 115/115 properties
BEST_FIRST walk for 40003 steps (92 resets) in 359 ms. (111 steps per ms) remains 115/115 properties
BEST_FIRST walk for 40004 steps (227 resets) in 383 ms. (104 steps per ms) remains 115/115 properties
BEST_FIRST walk for 40004 steps (239 resets) in 288 ms. (138 steps per ms) remains 115/115 properties
BEST_FIRST walk for 40002 steps (227 resets) in 333 ms. (119 steps per ms) remains 115/115 properties
BEST_FIRST walk for 40003 steps (224 resets) in 211 ms. (188 steps per ms) remains 115/115 properties
BEST_FIRST walk for 40004 steps (238 resets) in 279 ms. (142 steps per ms) remains 115/115 properties
BEST_FIRST walk for 40003 steps (223 resets) in 181 ms. (219 steps per ms) remains 115/115 properties
BEST_FIRST walk for 40003 steps (92 resets) in 351 ms. (113 steps per ms) remains 115/115 properties
BEST_FIRST walk for 40004 steps (99 resets) in 299 ms. (133 steps per ms) remains 115/115 properties
BEST_FIRST walk for 40004 steps (251 resets) in 377 ms. (105 steps per ms) remains 115/115 properties
BEST_FIRST walk for 40003 steps (245 resets) in 189 ms. (210 steps per ms) remains 115/115 properties
BEST_FIRST walk for 40003 steps (243 resets) in 320 ms. (124 steps per ms) remains 115/115 properties
BEST_FIRST walk for 40003 steps (245 resets) in 267 ms. (149 steps per ms) remains 115/115 properties
BEST_FIRST walk for 40001 steps (250 resets) in 212 ms. (187 steps per ms) remains 115/115 properties
BEST_FIRST walk for 40004 steps (234 resets) in 222 ms. (179 steps per ms) remains 115/115 properties
BEST_FIRST walk for 40004 steps (247 resets) in 264 ms. (150 steps per ms) remains 115/115 properties
BEST_FIRST walk for 40004 steps (244 resets) in 202 ms. (197 steps per ms) remains 115/115 properties
BEST_FIRST walk for 40004 steps (233 resets) in 256 ms. (155 steps per ms) remains 115/115 properties
BEST_FIRST walk for 40003 steps (245 resets) in 162 ms. (245 steps per ms) remains 115/115 properties
BEST_FIRST walk for 40003 steps (235 resets) in 369 ms. (108 steps per ms) remains 115/115 properties
Interrupted probabilistic random walk after 4750909 steps, run timeout after 102001 ms. (steps per millisecond=46 ) properties seen :0 out of 115
Probabilistic random walk after 4750909 steps, saw 1563267 distinct states, run finished after 102001 ms. (steps per millisecond=46 ) properties seen :0
[2025-05-31 10:14:57] [INFO ] Flow matrix only has 631 transitions (discarded 11 similar events)
// Phase 1: matrix 631 rows 230 cols
[2025-05-31 10:14:57] [INFO ] Computed 10 invariants in 5 ms
[2025-05-31 10:14:57] [INFO ] State equation strengthened by 73 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 1 (OVERLAPS) 140/216 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 115 unsolved
[2025-05-31 10:14:58] [INFO ] Deduced a trap composed of 36 places in 113 ms of which 2 ms to minimize.
[2025-05-31 10:14:58] [INFO ] Deduced a trap composed of 36 places in 59 ms of which 1 ms to minimize.
[2025-05-31 10:14:58] [INFO ] Deduced a trap composed of 44 places in 54 ms of which 2 ms to minimize.
[2025-05-31 10:14:58] [INFO ] Deduced a trap composed of 46 places in 52 ms of which 1 ms to minimize.
[2025-05-31 10:14:58] [INFO ] Deduced a trap composed of 52 places in 50 ms of which 1 ms to minimize.
[2025-05-31 10:14:59] [INFO ] Deduced a trap composed of 28 places in 299 ms of which 4 ms to minimize.
[2025-05-31 10:14:59] [INFO ] Deduced a trap composed of 49 places in 69 ms of which 2 ms to minimize.
[2025-05-31 10:14:59] [INFO ] Deduced a trap composed of 49 places in 78 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/216 variables, 8/17 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/216 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 4 (OVERLAPS) 3/219 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/219 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 6 (OVERLAPS) 631/850 variables, 219/237 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/850 variables, 73/310 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/850 variables, 0/310 constraints. Problems are: Problem set: 0 solved, 115 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 11/861 variables, 11/321 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/861 variables, 0/321 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 11 (OVERLAPS) 0/861 variables, 0/321 constraints. Problems are: Problem set: 0 solved, 115 unsolved
No progress, stopping.
After SMT solving in domain Real declared 861/861 variables, and 321 constraints, problems are : Problem set: 0 solved, 115 unsolved in 13583 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 230/230 constraints, ReadFeed: 73/73 constraints, PredecessorRefiner: 115/115 constraints, Known Traps: 8/8 constraints]
Escalating to Integer solving :Problem set: 0 solved, 115 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 1 (OVERLAPS) 140/216 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/216 variables, 8/17 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/216 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 4 (OVERLAPS) 3/219 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/219 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 6 (OVERLAPS) 631/850 variables, 219/237 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/850 variables, 73/310 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/850 variables, 111/421 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/850 variables, 0/421 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 10 (OVERLAPS) 11/861 variables, 11/432 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/861 variables, 4/436 constraints. Problems are: Problem set: 0 solved, 115 unsolved
[2025-05-31 10:15:34] [INFO ] Deduced a trap composed of 41 places in 47 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/861 variables, 1/437 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/861 variables, 0/437 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 14 (OVERLAPS) 0/861 variables, 0/437 constraints. Problems are: Problem set: 0 solved, 115 unsolved
No progress, stopping.
After SMT solving in domain Int declared 861/861 variables, and 437 constraints, problems are : Problem set: 0 solved, 115 unsolved in 64978 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 230/230 constraints, ReadFeed: 73/73 constraints, PredecessorRefiner: 115/115 constraints, Known Traps: 9/9 constraints]
After SMT, in 78698ms problems are : Problem set: 0 solved, 115 unsolved
Parikh walk visited 0 properties in 18091 ms.
Support contains 76 out of 230 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 230/230 places, 642/642 transitions.
Applied a total of 0 rules in 18 ms. Remains 230 /230 variables (removed 0) and now considering 642/642 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 230/230 places, 642/642 transitions.
RANDOM walk for 3880386 steps (121119 resets) in 113468 ms. (34 steps per ms) remains 114/115 properties
BEST_FIRST walk for 40004 steps (90 resets) in 266 ms. (149 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (231 resets) in 280 ms. (142 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (88 resets) in 278 ms. (143 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (239 resets) in 260 ms. (153 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40002 steps (88 resets) in 307 ms. (129 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (229 resets) in 411 ms. (97 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (90 resets) in 407 ms. (98 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (237 resets) in 372 ms. (107 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40002 steps (96 resets) in 350 ms. (113 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (223 resets) in 285 ms. (139 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (90 resets) in 430 ms. (92 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (232 resets) in 396 ms. (100 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40002 steps (91 resets) in 419 ms. (95 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (245 resets) in 271 ms. (147 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (93 resets) in 293 ms. (136 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (242 resets) in 255 ms. (156 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (88 resets) in 316 ms. (126 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (258 resets) in 209 ms. (190 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (93 resets) in 282 ms. (141 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40002 steps (244 resets) in 237 ms. (168 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40002 steps (94 resets) in 343 ms. (116 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (247 resets) in 258 ms. (154 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (92 resets) in 386 ms. (103 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (239 resets) in 246 ms. (161 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (90 resets) in 278 ms. (143 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (249 resets) in 216 ms. (184 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (88 resets) in 389 ms. (102 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (229 resets) in 232 ms. (171 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (93 resets) in 275 ms. (144 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (233 resets) in 418 ms. (95 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (93 resets) in 370 ms. (107 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (232 resets) in 249 ms. (160 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (232 resets) in 330 ms. (120 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40002 steps (235 resets) in 189 ms. (210 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (227 resets) in 182 ms. (218 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (249 resets) in 268 ms. (148 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (243 resets) in 289 ms. (137 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (92 resets) in 280 ms. (142 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40002 steps (91 resets) in 479 ms. (83 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (247 resets) in 332 ms. (120 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (253 resets) in 315 ms. (126 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (246 resets) in 272 ms. (146 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40002 steps (249 resets) in 283 ms. (140 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (229 resets) in 253 ms. (157 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (244 resets) in 214 ms. (186 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (246 resets) in 303 ms. (131 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (250 resets) in 309 ms. (129 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (231 resets) in 311 ms. (128 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (233 resets) in 330 ms. (120 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40002 steps (243 resets) in 344 ms. (115 steps per ms) remains 114/114 properties
Interrupted probabilistic random walk after 5099669 steps, run timeout after 105001 ms. (steps per millisecond=48 ) properties seen :0 out of 114
Probabilistic random walk after 5099669 steps, saw 1658257 distinct states, run finished after 105003 ms. (steps per millisecond=48 ) properties seen :0
[2025-05-31 10:18:54] [INFO ] Flow matrix only has 631 transitions (discarded 11 similar events)
[2025-05-31 10:18:54] [INFO ] Invariant cache hit.
[2025-05-31 10:18:54] [INFO ] State equation strengthened by 73 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 1 (OVERLAPS) 138/212 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 114 unsolved
[2025-05-31 10:18:55] [INFO ] Deduced a trap composed of 36 places in 44 ms of which 1 ms to minimize.
[2025-05-31 10:18:55] [INFO ] Deduced a trap composed of 44 places in 55 ms of which 2 ms to minimize.
[2025-05-31 10:18:55] [INFO ] Deduced a trap composed of 46 places in 50 ms of which 1 ms to minimize.
[2025-05-31 10:18:55] [INFO ] Deduced a trap composed of 52 places in 48 ms of which 1 ms to minimize.
[2025-05-31 10:18:56] [INFO ] Deduced a trap composed of 29 places in 216 ms of which 3 ms to minimize.
[2025-05-31 10:18:56] [INFO ] Deduced a trap composed of 49 places in 57 ms of which 1 ms to minimize.
[2025-05-31 10:18:56] [INFO ] Deduced a trap composed of 28 places in 199 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/212 variables, 7/15 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/212 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 4 (OVERLAPS) 7/219 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 114 unsolved
[2025-05-31 10:18:58] [INFO ] Deduced a trap composed of 49 places in 50 ms of which 1 ms to minimize.
[2025-05-31 10:18:58] [INFO ] Deduced a trap composed of 36 places in 45 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/219 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/219 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 7 (OVERLAPS) 631/850 variables, 219/238 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/850 variables, 73/311 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/850 variables, 0/311 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 10 (OVERLAPS) 11/861 variables, 11/322 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/861 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 12 (OVERLAPS) 0/861 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 114 unsolved
No progress, stopping.
After SMT solving in domain Real declared 861/861 variables, and 322 constraints, problems are : Problem set: 0 solved, 114 unsolved in 17463 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 230/230 constraints, ReadFeed: 73/73 constraints, PredecessorRefiner: 114/114 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 114 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 1 (OVERLAPS) 138/212 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/212 variables, 7/15 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/212 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 4 (OVERLAPS) 7/219 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/219 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 114 unsolved
[2025-05-31 10:19:13] [INFO ] Deduced a trap composed of 41 places in 45 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/219 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/219 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 8 (OVERLAPS) 631/850 variables, 219/239 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/850 variables, 73/312 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/850 variables, 110/422 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/850 variables, 0/422 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 12 (OVERLAPS) 11/861 variables, 11/433 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/861 variables, 4/437 constraints. Problems are: Problem set: 0 solved, 114 unsolved
[2025-05-31 10:19:45] [INFO ] Deduced a trap composed of 71 places in 175 ms of which 3 ms to minimize.
[2025-05-31 10:19:45] [INFO ] Deduced a trap composed of 19 places in 169 ms of which 3 ms to minimize.
[2025-05-31 10:19:45] [INFO ] Deduced a trap composed of 20 places in 170 ms of which 3 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/861 variables, 3/440 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/861 variables, 0/440 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 16 (OVERLAPS) 0/861 variables, 0/440 constraints. Problems are: Problem set: 0 solved, 114 unsolved
No progress, stopping.
After SMT solving in domain Int declared 861/861 variables, and 440 constraints, problems are : Problem set: 0 solved, 114 unsolved in 70324 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 230/230 constraints, ReadFeed: 73/73 constraints, PredecessorRefiner: 114/114 constraints, Known Traps: 13/13 constraints]
After SMT, in 87920ms problems are : Problem set: 0 solved, 114 unsolved
Fused 114 Parikh solutions to 113 different solutions.
Parikh walk visited 0 properties in 16671 ms.
Support contains 74 out of 230 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 230/230 places, 642/642 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 229 transition count 641
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 229 transition count 641
Applied a total of 2 rules in 17 ms. Remains 229 /230 variables (removed 1) and now considering 641/642 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 229/230 places, 641/642 transitions.
RANDOM walk for 3898745 steps (121633 resets) in 119144 ms. (32 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (91 resets) in 316 ms. (126 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (225 resets) in 223 ms. (178 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (92 resets) in 270 ms. (147 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (233 resets) in 223 ms. (178 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40002 steps (86 resets) in 389 ms. (102 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (239 resets) in 305 ms. (130 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (87 resets) in 376 ms. (106 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (233 resets) in 181 ms. (219 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (92 resets) in 354 ms. (112 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (227 resets) in 262 ms. (152 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (89 resets) in 330 ms. (120 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (251 resets) in 265 ms. (150 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (93 resets) in 209 ms. (190 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (232 resets) in 336 ms. (118 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (87 resets) in 388 ms. (102 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40002 steps (232 resets) in 406 ms. (98 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (92 resets) in 346 ms. (115 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (245 resets) in 357 ms. (111 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (90 resets) in 256 ms. (155 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (241 resets) in 313 ms. (127 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40002 steps (93 resets) in 206 ms. (193 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (242 resets) in 250 ms. (159 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (89 resets) in 344 ms. (115 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (239 resets) in 312 ms. (127 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (91 resets) in 311 ms. (128 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (232 resets) in 225 ms. (177 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (89 resets) in 293 ms. (136 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (251 resets) in 330 ms. (120 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40002 steps (89 resets) in 228 ms. (174 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (242 resets) in 316 ms. (126 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (95 resets) in 223 ms. (178 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (229 resets) in 312 ms. (127 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (245 resets) in 200 ms. (199 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (242 resets) in 312 ms. (127 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (246 resets) in 269 ms. (148 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40001 steps (242 resets) in 212 ms. (187 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (241 resets) in 260 ms. (153 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (89 resets) in 283 ms. (140 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (88 resets) in 231 ms. (172 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (249 resets) in 218 ms. (182 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (240 resets) in 217 ms. (183 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (245 resets) in 277 ms. (143 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (242 resets) in 277 ms. (143 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40002 steps (253 resets) in 341 ms. (116 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (241 resets) in 322 ms. (123 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (232 resets) in 301 ms. (132 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (244 resets) in 330 ms. (120 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (237 resets) in 265 ms. (150 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40003 steps (229 resets) in 205 ms. (194 steps per ms) remains 114/114 properties
BEST_FIRST walk for 40004 steps (246 resets) in 348 ms. (114 steps per ms) remains 114/114 properties
Interrupted probabilistic random walk after 4947485 steps, run timeout after 105001 ms. (steps per millisecond=47 ) properties seen :0 out of 114
Probabilistic random walk after 4947485 steps, saw 1617812 distinct states, run finished after 105001 ms. (steps per millisecond=47 ) properties seen :0
[2025-05-31 10:22:59] [INFO ] Flow matrix only has 630 transitions (discarded 11 similar events)
// Phase 1: matrix 630 rows 229 cols
[2025-05-31 10:22:59] [INFO ] Computed 10 invariants in 4 ms
[2025-05-31 10:22:59] [INFO ] State equation strengthened by 73 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 1 (OVERLAPS) 138/212 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 114 unsolved
[2025-05-31 10:23:00] [INFO ] Deduced a trap composed of 36 places in 65 ms of which 2 ms to minimize.
[2025-05-31 10:23:00] [INFO ] Deduced a trap composed of 44 places in 72 ms of which 2 ms to minimize.
[2025-05-31 10:23:00] [INFO ] Deduced a trap composed of 46 places in 70 ms of which 2 ms to minimize.
[2025-05-31 10:23:00] [INFO ] Deduced a trap composed of 52 places in 72 ms of which 1 ms to minimize.
[2025-05-31 10:23:01] [INFO ] Deduced a trap composed of 29 places in 306 ms of which 4 ms to minimize.
[2025-05-31 10:23:01] [INFO ] Deduced a trap composed of 28 places in 271 ms of which 4 ms to minimize.
[2025-05-31 10:23:02] [INFO ] Deduced a trap composed of 49 places in 74 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/212 variables, 7/15 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/212 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 4 (OVERLAPS) 6/218 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 114 unsolved
[2025-05-31 10:23:04] [INFO ] Deduced a trap composed of 36 places in 73 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/218 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/218 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 7 (OVERLAPS) 630/848 variables, 218/236 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/848 variables, 73/309 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/848 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 10 (OVERLAPS) 11/859 variables, 11/320 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/859 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 12 (OVERLAPS) 0/859 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 114 unsolved
No progress, stopping.
After SMT solving in domain Real declared 859/859 variables, and 320 constraints, problems are : Problem set: 0 solved, 114 unsolved in 30993 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 229/229 constraints, ReadFeed: 73/73 constraints, PredecessorRefiner: 114/114 constraints, Known Traps: 8/8 constraints]
Escalating to Integer solving :Problem set: 0 solved, 114 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 1 (OVERLAPS) 138/212 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/212 variables, 7/15 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/212 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 4 (OVERLAPS) 6/218 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/218 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 114 unsolved
[2025-05-31 10:23:32] [INFO ] Deduced a trap composed of 41 places in 57 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/218 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/218 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 8 (OVERLAPS) 630/848 variables, 218/237 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/848 variables, 73/310 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/848 variables, 110/420 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/848 variables, 0/420 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 12 (OVERLAPS) 11/859 variables, 11/431 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/859 variables, 4/435 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/859 variables, 0/435 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 15 (OVERLAPS) 0/859 variables, 0/435 constraints. Problems are: Problem set: 0 solved, 114 unsolved
No progress, stopping.
After SMT solving in domain Int declared 859/859 variables, and 435 constraints, problems are : Problem set: 0 solved, 114 unsolved in 60626 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 229/229 constraints, ReadFeed: 73/73 constraints, PredecessorRefiner: 114/114 constraints, Known Traps: 9/9 constraints]
After SMT, in 91808ms problems are : Problem set: 0 solved, 114 unsolved
Fused 114 Parikh solutions to 113 different solutions.

BK_TIME_CONFINEMENT_REACHED

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -timeout 180 -rebuildPNML

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="gold2024"
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 2-5832"
echo " Executing tool gold2024"
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 r098-smll-174860112300247"
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 ;