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Model Checking Contest 2025
15th edition, Paris, France, June 24, 2025
Execution of r014-tall-174853743800352
Last Updated
June 24, 2025

About the Execution of 2024-gold for AutoFlight-PT-24b

Execution Summary
Max Memory
Used (MB)		 Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
15688.480 396435.00 1103843.00 459.50 T normal

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.r014-tall-174853743800352.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 AutoFlight-PT-24b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r014-tall-174853743800352
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 968K
-rw-r--r-- 1 mcc users 7.2K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.6K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 63K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.0K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.7K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 84K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.4K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 69K 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 3.7K 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 4 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 538K 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 1748549643092

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=AutoFlight-PT-24b
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-05-29 20:14:04] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-05-29 20:14:04] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-29 20:14:04] [INFO ] Load time of PNML (sax parser for PT used): 161 ms
[2025-05-29 20:14:04] [INFO ] Transformed 2230 places.
[2025-05-29 20:14:04] [INFO ] Transformed 2228 transitions.
[2025-05-29 20:14:04] [INFO ] Found NUPN structural information;
[2025-05-29 20:14:04] [INFO ] Parsed PT model containing 2230 places and 2228 transitions and 5186 arcs in 308 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 2230/2230 places, 2228/2228 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 892 transitions
Trivial Post-agglo rules discarded 892 transitions
Performed 892 trivial Post agglomeration. Transition count delta: 892
Iterating post reduction 0 with 892 rules applied. Total rules applied 892 place count 2230 transition count 1336
Reduce places removed 892 places and 0 transitions.
Ensure Unique test removed 120 transitions
Reduce isomorphic transitions removed 120 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 48 transitions
Trivial Post-agglo rules discarded 48 transitions
Performed 48 trivial Post agglomeration. Transition count delta: 48
Iterating post reduction 1 with 1060 rules applied. Total rules applied 1952 place count 1338 transition count 1168
Reduce places removed 48 places and 0 transitions.
Iterating post reduction 2 with 48 rules applied. Total rules applied 2000 place count 1290 transition count 1168
Performed 295 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 295 Pre rules applied. Total rules applied 2000 place count 1290 transition count 873
Deduced a syphon composed of 295 places in 21 ms
Reduce places removed 295 places and 0 transitions.
Iterating global reduction 3 with 590 rules applied. Total rules applied 2590 place count 995 transition count 873
Performed 434 Post agglomeration using F-continuation condition.Transition count delta: 434
Deduced a syphon composed of 434 places in 1 ms
Reduce places removed 434 places and 0 transitions.
Iterating global reduction 3 with 868 rules applied. Total rules applied 3458 place count 561 transition count 439
Renaming transitions due to excessive name length > 1024 char.
Applied a total of 3458 rules in 241 ms. Remains 561 /2230 variables (removed 1669) and now considering 439/2228 (removed 1789) transitions.
// Phase 1: matrix 439 rows 561 cols
[2025-05-29 20:14:04] [INFO ] Computed 148 invariants in 30 ms
[2025-05-29 20:14:06] [INFO ] Implicit Places using invariants in 1090 ms returned [171, 174, 177, 180, 183, 186, 189, 192, 195, 198, 201, 204, 207, 210, 213, 216, 219, 222, 225, 228, 231, 234, 237, 240, 560]
Discarding 25 places :
Implicit Place search using SMT only with invariants took 1118 ms to find 25 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 536/2230 places, 439/2228 transitions.
Performed 24 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 24 Pre rules applied. Total rules applied 0 place count 536 transition count 415
Deduced a syphon composed of 24 places in 1 ms
Reduce places removed 24 places and 0 transitions.
Iterating global reduction 0 with 48 rules applied. Total rules applied 48 place count 512 transition count 415
Performed 26 Post agglomeration using F-continuation condition.Transition count delta: 26
Deduced a syphon composed of 26 places in 1 ms
Reduce places removed 26 places and 0 transitions.
Iterating global reduction 0 with 52 rules applied. Total rules applied 100 place count 486 transition count 389
Applied a total of 100 rules in 14 ms. Remains 486 /536 variables (removed 50) and now considering 389/439 (removed 50) transitions.
// Phase 1: matrix 389 rows 486 cols
[2025-05-29 20:14:06] [INFO ] Computed 123 invariants in 3 ms
[2025-05-29 20:14:06] [INFO ] Implicit Places using invariants in 422 ms returned []
[2025-05-29 20:14:06] [INFO ] Invariant cache hit.
[2025-05-29 20:14:06] [INFO ] State equation strengthened by 120 read => feed constraints.
[2025-05-29 20:14:08] [INFO ] Implicit Places using invariants and state equation in 2440 ms returned []
Implicit Place search using SMT with State Equation took 2864 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 486/2230 places, 389/2228 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 4254 ms. Remains : 486/2230 places, 389/2228 transitions.
Discarding 96 transitions out of 389. Remains 293
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (497 resets) in 3816 ms. (10 steps per ms) remains 127/292 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 127/127 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 127/127 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 127/127 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 127/127 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 127/127 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 127/127 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 127/127 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 127/127 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 127/127 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 127/127 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 127/127 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 127/127 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 127/127 properties
BEST_FIRST walk for 404 steps (0 resets) in 9 ms. (40 steps per ms) remains 127/127 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 127/127 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 127/127 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 127/127 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 127/127 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 127/127 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 127/127 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 127/127 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 127/127 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 127/127 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 127/127 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 127/127 properties
BEST_FIRST walk for 404 steps (0 resets) in 10 ms. (36 steps per ms) remains 127/127 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 127/127 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 127/127 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 127/127 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 127/127 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 127/127 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 127/127 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 127/127 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 127/127 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 127/127 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 127/127 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 127/127 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 127/127 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 127/127 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 127/127 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 127/127 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 127/127 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 127/127 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 127/127 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 127/127 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 127/127 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 127/127 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 127/127 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 127/127 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 127/127 properties
[2025-05-29 20:14:10] [INFO ] Invariant cache hit.
[2025-05-29 20:14:10] [INFO ] State equation strengthened by 120 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/218 variables, 218/218 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/218 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 2 (OVERLAPS) 178/396 variables, 78/296 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/396 variables, 178/474 constraints. Problems are: Problem set: 0 solved, 127 unsolved
[2025-05-29 20:14:12] [INFO ] Deduced a trap composed of 6 places in 76 ms of which 12 ms to minimize.
[2025-05-29 20:14:12] [INFO ] Deduced a trap composed of 6 places in 55 ms of which 1 ms to minimize.
[2025-05-29 20:14:12] [INFO ] Deduced a trap composed of 6 places in 104 ms of which 5 ms to minimize.
[2025-05-29 20:14:12] [INFO ] Deduced a trap composed of 6 places in 108 ms of which 1 ms to minimize.
[2025-05-29 20:14:12] [INFO ] Deduced a trap composed of 6 places in 169 ms of which 2 ms to minimize.
[2025-05-29 20:14:13] [INFO ] Deduced a trap composed of 6 places in 81 ms of which 2 ms to minimize.
[2025-05-29 20:14:13] [INFO ] Deduced a trap composed of 6 places in 75 ms of which 1 ms to minimize.
[2025-05-29 20:14:13] [INFO ] Deduced a trap composed of 6 places in 127 ms of which 3 ms to minimize.
[2025-05-29 20:14:13] [INFO ] Deduced a trap composed of 6 places in 61 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/396 variables, 9/483 constraints. Problems are: Problem set: 0 solved, 127 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 396/875 variables, and 483 constraints, problems are : Problem set: 0 solved, 127 unsolved in 5013 ms.
Refiners :[Domain max(s): 396/486 constraints, Positive P Invariants (semi-flows): 78/123 constraints, State Equation: 0/486 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 127/127 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 127 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/218 variables, 218/218 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/218 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 2 (OVERLAPS) 178/396 variables, 78/296 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/396 variables, 178/474 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/396 variables, 9/483 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/396 variables, 0/483 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 6 (OVERLAPS) 90/486 variables, 45/528 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/486 variables, 90/618 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/486 variables, 0/618 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 9 (OVERLAPS) 389/875 variables, 486/1104 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/875 variables, 120/1224 constraints. Problems are: Problem set: 0 solved, 127 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 875/875 variables, and 1351 constraints, problems are : Problem set: 0 solved, 127 unsolved in 5030 ms.
Refiners :[Domain max(s): 486/486 constraints, Positive P Invariants (semi-flows): 123/123 constraints, State Equation: 486/486 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 127/127 constraints, Known Traps: 9/9 constraints]
After SMT, in 10173ms problems are : Problem set: 0 solved, 127 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 218 out of 486 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 486/486 places, 389/389 transitions.
Discarding 13 places :
Symmetric choice reduction at 0 with 13 rule applications. Total rules 13 place count 473 transition count 376
Iterating global reduction 0 with 13 rules applied. Total rules applied 26 place count 473 transition count 376
Free-agglomeration rule applied 45 times.
Iterating global reduction 0 with 45 rules applied. Total rules applied 71 place count 473 transition count 331
Reduce places removed 45 places and 0 transitions.
Iterating post reduction 0 with 45 rules applied. Total rules applied 116 place count 428 transition count 331
Applied a total of 116 rules in 61 ms. Remains 428 /486 variables (removed 58) and now considering 331/389 (removed 58) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61 ms. Remains : 428/486 places, 331/389 transitions.
RANDOM walk for 4000000 steps (67127 resets) in 52325 ms. (76 steps per ms) remains 72/127 properties
BEST_FIRST walk for 400004 steps (249 resets) in 1247 ms. (320 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (247 resets) in 868 ms. (460 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (372 resets) in 896 ms. (445 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (374 resets) in 890 ms. (448 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (373 resets) in 897 ms. (445 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (352 resets) in 870 ms. (459 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (370 resets) in 898 ms. (444 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (355 resets) in 868 ms. (460 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (369 resets) in 914 ms. (437 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (351 resets) in 879 ms. (454 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (372 resets) in 889 ms. (449 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (351 resets) in 873 ms. (457 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (371 resets) in 893 ms. (447 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (358 resets) in 865 ms. (461 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (370 resets) in 892 ms. (447 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (347 resets) in 866 ms. (461 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (366 resets) in 900 ms. (443 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (356 resets) in 868 ms. (460 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (376 resets) in 900 ms. (443 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (351 resets) in 866 ms. (461 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (375 resets) in 902 ms. (442 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (352 resets) in 867 ms. (460 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (372 resets) in 905 ms. (441 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (352 resets) in 862 ms. (463 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (373 resets) in 889 ms. (449 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (352 resets) in 877 ms. (455 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (376 resets) in 898 ms. (444 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (352 resets) in 864 ms. (462 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (366 resets) in 890 ms. (448 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (350 resets) in 859 ms. (465 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (374 resets) in 900 ms. (443 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (349 resets) in 874 ms. (457 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (371 resets) in 893 ms. (447 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (354 resets) in 863 ms. (462 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (375 resets) in 894 ms. (446 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (353 resets) in 869 ms. (459 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (372 resets) in 896 ms. (445 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (352 resets) in 870 ms. (459 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (373 resets) in 898 ms. (444 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (353 resets) in 881 ms. (453 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (369 resets) in 900 ms. (443 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (351 resets) in 867 ms. (460 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (371 resets) in 889 ms. (449 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (346 resets) in 877 ms. (455 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (351 resets) in 870 ms. (459 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (350 resets) in 863 ms. (462 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (349 resets) in 863 ms. (462 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (353 resets) in 870 ms. (459 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400004 steps (349 resets) in 873 ms. (457 steps per ms) remains 72/72 properties
BEST_FIRST walk for 400003 steps (351 resets) in 875 ms. (456 steps per ms) remains 72/72 properties
// Phase 1: matrix 331 rows 428 cols
[2025-05-29 20:14:46] [INFO ] Computed 123 invariants in 2 ms
[2025-05-29 20:14:46] [INFO ] State equation strengthened by 165 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/119 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 1 (OVERLAPS) 175/294 variables, 27/27 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/294 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (OVERLAPS) 134/428 variables, 96/123 constraints. Problems are: Problem set: 0 solved, 72 unsolved
[2025-05-29 20:14:47] [INFO ] Deduced a trap composed of 4 places in 64 ms of which 2 ms to minimize.
[2025-05-29 20:14:48] [INFO ] Deduced a trap composed of 4 places in 55 ms of which 1 ms to minimize.
[2025-05-29 20:14:48] [INFO ] Deduced a trap composed of 4 places in 52 ms of which 2 ms to minimize.
[2025-05-29 20:14:48] [INFO ] Deduced a trap composed of 6 places in 50 ms of which 1 ms to minimize.
[2025-05-29 20:14:48] [INFO ] Deduced a trap composed of 6 places in 56 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/428 variables, 5/128 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/428 variables, 0/128 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 6 (OVERLAPS) 331/759 variables, 428/556 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/759 variables, 165/721 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/759 variables, 0/721 constraints. Problems are: Problem set: 0 solved, 72 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/759 variables, 0/721 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Real declared 759/759 variables, and 721 constraints, problems are : Problem set: 0 solved, 72 unsolved in 9030 ms.
Refiners :[Positive P Invariants (semi-flows): 123/123 constraints, State Equation: 428/428 constraints, ReadFeed: 165/165 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 5/5 constraints]
Escalating to Integer solving :Problem set: 0 solved, 72 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/119 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 1 (OVERLAPS) 175/294 variables, 27/27 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/294 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (OVERLAPS) 134/428 variables, 96/123 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/428 variables, 5/128 constraints. Problems are: Problem set: 0 solved, 72 unsolved
[2025-05-29 20:14:56] [INFO ] Deduced a trap composed of 4 places in 51 ms of which 2 ms to minimize.
[2025-05-29 20:14:56] [INFO ] Deduced a trap composed of 6 places in 48 ms of which 1 ms to minimize.
[2025-05-29 20:14:56] [INFO ] Deduced a trap composed of 6 places in 47 ms of which 1 ms to minimize.
[2025-05-29 20:14:56] [INFO ] Deduced a trap composed of 6 places in 51 ms of which 1 ms to minimize.
[2025-05-29 20:14:56] [INFO ] Deduced a trap composed of 6 places in 55 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/428 variables, 5/133 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/428 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 7 (OVERLAPS) 331/759 variables, 428/561 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/759 variables, 165/726 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/759 variables, 72/798 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/759 variables, 0/798 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 11 (OVERLAPS) 0/759 variables, 0/798 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Int declared 759/759 variables, and 798 constraints, problems are : Problem set: 0 solved, 72 unsolved in 14517 ms.
Refiners :[Positive P Invariants (semi-flows): 123/123 constraints, State Equation: 428/428 constraints, ReadFeed: 165/165 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 10/10 constraints]
After SMT, in 23577ms problems are : Problem set: 0 solved, 72 unsolved
Fused 72 Parikh solutions to 71 different solutions.
Parikh walk visited 11 properties in 6571 ms.
Support contains 97 out of 428 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 428/428 places, 331/331 transitions.
Discarding 11 places :
Symmetric choice reduction at 0 with 11 rule applications. Total rules 11 place count 417 transition count 320
Iterating global reduction 0 with 11 rules applied. Total rules applied 22 place count 417 transition count 320
Free-agglomeration rule applied 3 times.
Iterating global reduction 0 with 3 rules applied. Total rules applied 25 place count 417 transition count 317
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 28 place count 414 transition count 317
Applied a total of 28 rules in 50 ms. Remains 414 /428 variables (removed 14) and now considering 317/331 (removed 14) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 50 ms. Remains : 414/428 places, 317/331 transitions.
RANDOM walk for 4000000 steps (39611 resets) in 37710 ms. (106 steps per ms) remains 60/61 properties
BEST_FIRST walk for 400004 steps (239 resets) in 913 ms. (437 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400004 steps (232 resets) in 906 ms. (441 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400004 steps (323 resets) in 959 ms. (416 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400004 steps (291 resets) in 890 ms. (448 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400004 steps (331 resets) in 960 ms. (416 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400004 steps (286 resets) in 888 ms. (449 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400004 steps (285 resets) in 876 ms. (456 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400004 steps (335 resets) in 936 ms. (426 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400004 steps (286 resets) in 876 ms. (456 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400003 steps (293 resets) in 888 ms. (449 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400003 steps (347 resets) in 925 ms. (431 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400003 steps (294 resets) in 877 ms. (455 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400004 steps (282 resets) in 872 ms. (458 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400004 steps (334 resets) in 923 ms. (432 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400003 steps (288 resets) in 895 ms. (446 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400004 steps (294 resets) in 890 ms. (448 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400004 steps (322 resets) in 968 ms. (412 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400003 steps (282 resets) in 885 ms. (451 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400004 steps (275 resets) in 887 ms. (450 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400003 steps (328 resets) in 947 ms. (421 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400004 steps (281 resets) in 891 ms. (448 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400004 steps (300 resets) in 888 ms. (449 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400003 steps (329 resets) in 947 ms. (421 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400004 steps (289 resets) in 890 ms. (448 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400004 steps (286 resets) in 892 ms. (447 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400004 steps (332 resets) in 956 ms. (417 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400002 steps (286 resets) in 906 ms. (441 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400004 steps (286 resets) in 899 ms. (444 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400004 steps (342 resets) in 948 ms. (421 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400004 steps (290 resets) in 887 ms. (450 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400004 steps (298 resets) in 894 ms. (446 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400004 steps (289 resets) in 893 ms. (447 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400004 steps (280 resets) in 896 ms. (445 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400004 steps (288 resets) in 886 ms. (450 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400004 steps (294 resets) in 879 ms. (454 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400004 steps (288 resets) in 887 ms. (450 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400004 steps (290 resets) in 882 ms. (453 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400004 steps (278 resets) in 882 ms. (453 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400003 steps (288 resets) in 883 ms. (452 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400004 steps (286 resets) in 883 ms. (452 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400003 steps (286 resets) in 885 ms. (451 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400003 steps (293 resets) in 883 ms. (452 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400004 steps (291 resets) in 892 ms. (447 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400003 steps (293 resets) in 900 ms. (443 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400004 steps (291 resets) in 899 ms. (444 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400003 steps (297 resets) in 894 ms. (446 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400004 steps (299 resets) in 896 ms. (445 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400004 steps (292 resets) in 898 ms. (444 steps per ms) remains 59/60 properties
BEST_FIRST walk for 400004 steps (283 resets) in 897 ms. (445 steps per ms) remains 59/59 properties
BEST_FIRST walk for 400004 steps (297 resets) in 880 ms. (454 steps per ms) remains 59/59 properties
BEST_FIRST walk for 400003 steps (291 resets) in 885 ms. (451 steps per ms) remains 59/59 properties
BEST_FIRST walk for 400004 steps (291 resets) in 879 ms. (454 steps per ms) remains 59/59 properties
BEST_FIRST walk for 400004 steps (276 resets) in 887 ms. (450 steps per ms) remains 59/59 properties
BEST_FIRST walk for 400003 steps (290 resets) in 880 ms. (454 steps per ms) remains 59/59 properties
BEST_FIRST walk for 400003 steps (287 resets) in 879 ms. (454 steps per ms) remains 59/59 properties
BEST_FIRST walk for 400004 steps (287 resets) in 877 ms. (455 steps per ms) remains 59/59 properties
BEST_FIRST walk for 400004 steps (297 resets) in 868 ms. (460 steps per ms) remains 59/59 properties
BEST_FIRST walk for 400004 steps (304 resets) in 876 ms. (456 steps per ms) remains 59/59 properties
BEST_FIRST walk for 400004 steps (279 resets) in 876 ms. (456 steps per ms) remains 59/59 properties
BEST_FIRST walk for 400002 steps (284 resets) in 874 ms. (457 steps per ms) remains 59/59 properties
Interrupted probabilistic random walk after 6162717 steps, run timeout after 75001 ms. (steps per millisecond=82 ) properties seen :25 out of 59
Probabilistic random walk after 6162717 steps, saw 1937233 distinct states, run finished after 75008 ms. (steps per millisecond=82 ) properties seen :25
// Phase 1: matrix 317 rows 414 cols
[2025-05-29 20:16:56] [INFO ] Computed 123 invariants in 5 ms
[2025-05-29 20:16:56] [INFO ] State equation strengthened by 168 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 1 (OVERLAPS) 224/292 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/292 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 3 (OVERLAPS) 122/414 variables, 97/123 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/414 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 5 (OVERLAPS) 317/731 variables, 414/537 constraints. Problems are: Problem set: 0 solved, 34 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/731 variables, 168/705 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/731 variables, 0/705 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 8 (OVERLAPS) 0/731 variables, 0/705 constraints. Problems are: Problem set: 0 solved, 34 unsolved
No progress, stopping.
After SMT solving in domain Real declared 731/731 variables, and 705 constraints, problems are : Problem set: 0 solved, 34 unsolved in 2310 ms.
Refiners :[Positive P Invariants (semi-flows): 123/123 constraints, State Equation: 414/414 constraints, ReadFeed: 168/168 constraints, PredecessorRefiner: 34/34 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 34 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 1 (OVERLAPS) 224/292 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/292 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 3 (OVERLAPS) 122/414 variables, 97/123 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/414 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 5 (OVERLAPS) 317/731 variables, 414/537 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/731 variables, 168/705 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/731 variables, 34/739 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/731 variables, 0/739 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 9 (OVERLAPS) 0/731 variables, 0/739 constraints. Problems are: Problem set: 0 solved, 34 unsolved
No progress, stopping.
After SMT solving in domain Int declared 731/731 variables, and 739 constraints, problems are : Problem set: 0 solved, 34 unsolved in 7150 ms.
Refiners :[Positive P Invariants (semi-flows): 123/123 constraints, State Equation: 414/414 constraints, ReadFeed: 168/168 constraints, PredecessorRefiner: 34/34 constraints, Known Traps: 0/0 constraints]
After SMT, in 9481ms problems are : Problem set: 0 solved, 34 unsolved
Parikh walk visited 24 properties in 14350 ms.
Support contains 20 out of 414 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 414/414 places, 317/317 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 413 transition count 316
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 413 transition count 316
Free-agglomeration rule applied 30 times.
Iterating global reduction 0 with 30 rules applied. Total rules applied 32 place count 413 transition count 286
Reduce places removed 30 places and 0 transitions.
Iterating post reduction 0 with 30 rules applied. Total rules applied 62 place count 383 transition count 286
Applied a total of 62 rules in 50 ms. Remains 383 /414 variables (removed 31) and now considering 286/317 (removed 31) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 50 ms. Remains : 383/414 places, 286/317 transitions.
RANDOM walk for 4000000 steps (39601 resets) in 23586 ms. (169 steps per ms) remains 10/10 properties
BEST_FIRST walk for 4000002 steps (5252 resets) in 8891 ms. (449 steps per ms) remains 10/10 properties
BEST_FIRST walk for 4000003 steps (4816 resets) in 8126 ms. (492 steps per ms) remains 10/10 properties
BEST_FIRST walk for 4000003 steps (4798 resets) in 9167 ms. (436 steps per ms) remains 10/10 properties
BEST_FIRST walk for 4000004 steps (4809 resets) in 8132 ms. (491 steps per ms) remains 10/10 properties
BEST_FIRST walk for 4000004 steps (4858 resets) in 8128 ms. (492 steps per ms) remains 10/10 properties
BEST_FIRST walk for 4000003 steps (4784 resets) in 8121 ms. (492 steps per ms) remains 10/10 properties
BEST_FIRST walk for 4000004 steps (4824 resets) in 8145 ms. (491 steps per ms) remains 10/10 properties
BEST_FIRST walk for 4000004 steps (4827 resets) in 8153 ms. (490 steps per ms) remains 10/10 properties
BEST_FIRST walk for 4000003 steps (4767 resets) in 8087 ms. (494 steps per ms) remains 9/10 properties
BEST_FIRST walk for 4000004 steps (4782 resets) in 8022 ms. (498 steps per ms) remains 9/9 properties
// Phase 1: matrix 286 rows 383 cols
[2025-05-29 20:17:50] [INFO ] Computed 123 invariants in 5 ms
[2025-05-29 20:17:50] [INFO ] State equation strengthened by 198 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/18 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 226/244 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/244 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (OVERLAPS) 139/383 variables, 113/123 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/383 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (OVERLAPS) 286/669 variables, 383/506 constraints. Problems are: Problem set: 0 solved, 9 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/669 variables, 198/704 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/669 variables, 0/704 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (OVERLAPS) 0/669 variables, 0/704 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Real declared 669/669 variables, and 704 constraints, problems are : Problem set: 0 solved, 9 unsolved in 673 ms.
Refiners :[Positive P Invariants (semi-flows): 123/123 constraints, State Equation: 383/383 constraints, ReadFeed: 198/198 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 9 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/18 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 226/244 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/244 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (OVERLAPS) 139/383 variables, 113/123 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/383 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (OVERLAPS) 286/669 variables, 383/506 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/669 variables, 198/704 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/669 variables, 9/713 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/669 variables, 0/713 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 9 (OVERLAPS) 0/669 variables, 0/713 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Int declared 669/669 variables, and 713 constraints, problems are : Problem set: 0 solved, 9 unsolved in 1213 ms.
Refiners :[Positive P Invariants (semi-flows): 123/123 constraints, State Equation: 383/383 constraints, ReadFeed: 198/198 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints]
After SMT, in 1908ms problems are : Problem set: 0 solved, 9 unsolved
Parikh walk visited 0 properties in 4097 ms.
Support contains 18 out of 383 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 383/383 places, 286/286 transitions.
Free-agglomeration rule applied 2 times.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 383 transition count 284
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 381 transition count 284
Applied a total of 4 rules in 20 ms. Remains 381 /383 variables (removed 2) and now considering 284/286 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20 ms. Remains : 381/383 places, 284/286 transitions.
RANDOM walk for 4000000 steps (39521 resets) in 21058 ms. (189 steps per ms) remains 9/9 properties
BEST_FIRST walk for 4000003 steps (5615 resets) in 8888 ms. (449 steps per ms) remains 9/9 properties
BEST_FIRST walk for 4000003 steps (4893 resets) in 8053 ms. (496 steps per ms) remains 9/9 properties
BEST_FIRST walk for 4000004 steps (4935 resets) in 8022 ms. (498 steps per ms) remains 9/9 properties
BEST_FIRST walk for 4000003 steps (4962 resets) in 8055 ms. (496 steps per ms) remains 9/9 properties
BEST_FIRST walk for 4000004 steps (4883 resets) in 8047 ms. (497 steps per ms) remains 9/9 properties
BEST_FIRST walk for 4000003 steps (4926 resets) in 8012 ms. (499 steps per ms) remains 9/9 properties
BEST_FIRST walk for 4000003 steps (4952 resets) in 8022 ms. (498 steps per ms) remains 9/9 properties
BEST_FIRST walk for 4000003 steps (4938 resets) in 7962 ms. (502 steps per ms) remains 8/9 properties
BEST_FIRST walk for 4000004 steps (4907 resets) in 7914 ms. (505 steps per ms) remains 8/8 properties
// Phase 1: matrix 284 rows 381 cols
[2025-05-29 20:18:21] [INFO ] Computed 123 invariants in 2 ms
[2025-05-29 20:18:21] [INFO ] State equation strengthened by 200 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 225/241 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/241 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 140/381 variables, 114/123 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/381 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 284/665 variables, 381/504 constraints. Problems are: Problem set: 0 solved, 8 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/665 variables, 200/704 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/665 variables, 0/704 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (OVERLAPS) 0/665 variables, 0/704 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 665/665 variables, and 704 constraints, problems are : Problem set: 0 solved, 8 unsolved in 588 ms.
Refiners :[Positive P Invariants (semi-flows): 123/123 constraints, State Equation: 381/381 constraints, ReadFeed: 200/200 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 225/241 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/241 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 140/381 variables, 114/123 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/381 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 284/665 variables, 381/504 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/665 variables, 200/704 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/665 variables, 8/712 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/665 variables, 0/712 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (OVERLAPS) 0/665 variables, 0/712 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Int declared 665/665 variables, and 712 constraints, problems are : Problem set: 0 solved, 8 unsolved in 1040 ms.
Refiners :[Positive P Invariants (semi-flows): 123/123 constraints, State Equation: 381/381 constraints, ReadFeed: 200/200 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints]
After SMT, in 1646ms problems are : Problem set: 0 solved, 8 unsolved
Parikh walk visited 0 properties in 3366 ms.
Support contains 16 out of 381 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 381/381 places, 284/284 transitions.
Free-agglomeration rule applied 2 times.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 381 transition count 282
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 379 transition count 282
Applied a total of 4 rules in 18 ms. Remains 379 /381 variables (removed 2) and now considering 282/284 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 379/381 places, 282/284 transitions.
RANDOM walk for 4000000 steps (39635 resets) in 20615 ms. (194 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4000004 steps (5884 resets) in 8888 ms. (449 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4000004 steps (5098 resets) in 7985 ms. (500 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4000004 steps (5042 resets) in 7964 ms. (502 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4000003 steps (5080 resets) in 7972 ms. (501 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4000004 steps (5062 resets) in 7981 ms. (501 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4000003 steps (4934 resets) in 8041 ms. (497 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4000003 steps (5037 resets) in 7940 ms. (503 steps per ms) remains 7/8 properties
BEST_FIRST walk for 4000002 steps (5019 resets) in 7904 ms. (506 steps per ms) remains 7/7 properties
// Phase 1: matrix 282 rows 379 cols
[2025-05-29 20:18:50] [INFO ] Computed 123 invariants in 3 ms
[2025-05-29 20:18:50] [INFO ] State equation strengthened by 202 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 224/238 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/238 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 141/379 variables, 115/123 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/379 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 282/661 variables, 379/502 constraints. Problems are: Problem set: 0 solved, 7 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/661 variables, 202/704 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/661 variables, 0/704 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (OVERLAPS) 0/661 variables, 0/704 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 661/661 variables, and 704 constraints, problems are : Problem set: 0 solved, 7 unsolved in 556 ms.
Refiners :[Positive P Invariants (semi-flows): 123/123 constraints, State Equation: 379/379 constraints, ReadFeed: 202/202 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 224/238 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/238 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 141/379 variables, 115/123 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/379 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 282/661 variables, 379/502 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/661 variables, 202/704 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/661 variables, 7/711 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/661 variables, 0/711 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (OVERLAPS) 0/661 variables, 0/711 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Int declared 661/661 variables, and 711 constraints, problems are : Problem set: 0 solved, 7 unsolved in 1048 ms.
Refiners :[Positive P Invariants (semi-flows): 123/123 constraints, State Equation: 379/379 constraints, ReadFeed: 202/202 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints]
After SMT, in 1622ms problems are : Problem set: 0 solved, 7 unsolved
Parikh walk visited 0 properties in 2360 ms.
Support contains 14 out of 379 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 379/379 places, 282/282 transitions.
Free-agglomeration rule applied 2 times.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 379 transition count 280
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 377 transition count 280
Applied a total of 4 rules in 27 ms. Remains 377 /379 variables (removed 2) and now considering 280/282 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27 ms. Remains : 377/379 places, 280/282 transitions.
RANDOM walk for 4000000 steps (39666 resets) in 20017 ms. (199 steps per ms) remains 7/7 properties
BEST_FIRST walk for 4000003 steps (6174 resets) in 8948 ms. (446 steps per ms) remains 7/7 properties
BEST_FIRST walk for 4000003 steps (5038 resets) in 7910 ms. (505 steps per ms) remains 7/7 properties
BEST_FIRST walk for 4000004 steps (5153 resets) in 7940 ms. (503 steps per ms) remains 7/7 properties
BEST_FIRST walk for 4000004 steps (5103 resets) in 7965 ms. (502 steps per ms) remains 7/7 properties
BEST_FIRST walk for 4000004 steps (5127 resets) in 7903 ms. (506 steps per ms) remains 7/7 properties
BEST_FIRST walk for 4000002 steps (5161 resets) in 8399 ms. (476 steps per ms) remains 6/7 properties
BEST_FIRST walk for 4000003 steps (5211 resets) in 10435 ms. (383 steps per ms) remains 6/6 properties
// Phase 1: matrix 280 rows 377 cols
[2025-05-29 20:19:16] [INFO ] Computed 123 invariants in 1 ms
[2025-05-29 20:19:16] [INFO ] State equation strengthened by 204 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 223/235 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/235 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 142/377 variables, 116/123 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/377 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 280/657 variables, 377/500 constraints. Problems are: Problem set: 0 solved, 6 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/657 variables, 204/704 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/657 variables, 0/704 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 0/657 variables, 0/704 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 657/657 variables, and 704 constraints, problems are : Problem set: 0 solved, 6 unsolved in 537 ms.
Refiners :[Positive P Invariants (semi-flows): 123/123 constraints, State Equation: 377/377 constraints, ReadFeed: 204/204 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 223/235 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/235 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 142/377 variables, 116/123 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/377 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 280/657 variables, 377/500 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/657 variables, 204/704 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/657 variables, 6/710 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/657 variables, 0/710 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (OVERLAPS) 0/657 variables, 0/710 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 657/657 variables, and 710 constraints, problems are : Problem set: 0 solved, 6 unsolved in 907 ms.
Refiners :[Positive P Invariants (semi-flows): 123/123 constraints, State Equation: 377/377 constraints, ReadFeed: 204/204 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
After SMT, in 1457ms problems are : Problem set: 0 solved, 6 unsolved
Parikh walk visited 0 properties in 2788 ms.
Support contains 12 out of 377 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 377/377 places, 280/280 transitions.
Free-agglomeration rule applied 2 times.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 377 transition count 278
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 375 transition count 278
Applied a total of 4 rules in 31 ms. Remains 375 /377 variables (removed 2) and now considering 278/280 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 32 ms. Remains : 375/377 places, 278/280 transitions.
RANDOM walk for 4000000 steps (39127 resets) in 22486 ms. (177 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000003 steps (6592 resets) in 9058 ms. (441 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000004 steps (5220 resets) in 7875 ms. (507 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000001 steps (5201 resets) in 8004 ms. (499 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000003 steps (5326 resets) in 7893 ms. (506 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000004 steps (5135 resets) in 7751 ms. (515 steps per ms) remains 5/6 properties
BEST_FIRST walk for 4000003 steps (5262 resets) in 7823 ms. (511 steps per ms) remains 5/5 properties
// Phase 1: matrix 278 rows 375 cols
[2025-05-29 20:19:41] [INFO ] Computed 123 invariants in 2 ms
[2025-05-29 20:19:41] [INFO ] State equation strengthened by 206 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 222/232 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/232 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 143/375 variables, 117/123 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/375 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 278/653 variables, 375/498 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/653 variables, 206/704 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/653 variables, 0/704 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 0/653 variables, 0/704 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 653/653 variables, and 704 constraints, problems are : Problem set: 0 solved, 5 unsolved in 641 ms.
Refiners :[Positive P Invariants (semi-flows): 123/123 constraints, State Equation: 375/375 constraints, ReadFeed: 206/206 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 222/232 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/232 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 143/375 variables, 117/123 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/375 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 278/653 variables, 375/498 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/653 variables, 206/704 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/653 variables, 5/709 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/653 variables, 0/709 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (OVERLAPS) 0/653 variables, 0/709 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 653/653 variables, and 709 constraints, problems are : Problem set: 0 solved, 5 unsolved in 850 ms.
Refiners :[Positive P Invariants (semi-flows): 123/123 constraints, State Equation: 375/375 constraints, ReadFeed: 206/206 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
After SMT, in 1501ms problems are : Problem set: 0 solved, 5 unsolved
Parikh walk visited 0 properties in 1538 ms.
Support contains 10 out of 375 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 375/375 places, 278/278 transitions.
Free-agglomeration rule applied 2 times.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 375 transition count 276
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 373 transition count 276
Applied a total of 4 rules in 18 ms. Remains 373 /375 variables (removed 2) and now considering 276/278 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 373/375 places, 276/278 transitions.
RANDOM walk for 4000000 steps (38995 resets) in 18830 ms. (212 steps per ms) remains 5/5 properties
BEST_FIRST walk for 4000004 steps (7095 resets) in 9115 ms. (438 steps per ms) remains 5/5 properties
BEST_FIRST walk for 4000004 steps (5340 resets) in 7927 ms. (504 steps per ms) remains 5/5 properties
BEST_FIRST walk for 4000004 steps (5348 resets) in 7953 ms. (502 steps per ms) remains 5/5 properties
BEST_FIRST walk for 4000003 steps (5440 resets) in 7843 ms. (509 steps per ms) remains 4/5 properties
BEST_FIRST walk for 4000003 steps (5304 resets) in 7927 ms. (504 steps per ms) remains 4/4 properties
// Phase 1: matrix 276 rows 373 cols
[2025-05-29 20:20:01] [INFO ] Computed 123 invariants in 1 ms
[2025-05-29 20:20:01] [INFO ] State equation strengthened by 208 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 221/229 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/229 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 144/373 variables, 118/123 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/373 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 276/649 variables, 373/496 constraints. Problems are: Problem set: 0 solved, 4 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/649 variables, 208/704 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/649 variables, 0/704 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 0/649 variables, 0/704 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 649/649 variables, and 704 constraints, problems are : Problem set: 0 solved, 4 unsolved in 372 ms.
Refiners :[Positive P Invariants (semi-flows): 123/123 constraints, State Equation: 373/373 constraints, ReadFeed: 208/208 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 221/229 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/229 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 144/373 variables, 118/123 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/373 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 276/649 variables, 373/496 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/649 variables, 208/704 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/649 variables, 4/708 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/649 variables, 0/708 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 0/649 variables, 0/708 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 649/649 variables, and 708 constraints, problems are : Problem set: 0 solved, 4 unsolved in 649 ms.
Refiners :[Positive P Invariants (semi-flows): 123/123 constraints, State Equation: 373/373 constraints, ReadFeed: 208/208 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
After SMT, in 1035ms problems are : Problem set: 0 solved, 4 unsolved
Parikh walk visited 0 properties in 971 ms.
Support contains 8 out of 373 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 373/373 places, 276/276 transitions.
Free-agglomeration rule applied 2 times.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 373 transition count 274
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 371 transition count 274
Applied a total of 4 rules in 14 ms. Remains 371 /373 variables (removed 2) and now considering 274/276 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 371/373 places, 274/276 transitions.
RANDOM walk for 4000000 steps (38607 resets) in 18316 ms. (218 steps per ms) remains 4/4 properties
BEST_FIRST walk for 4000003 steps (7488 resets) in 9143 ms. (437 steps per ms) remains 4/4 properties
BEST_FIRST walk for 4000004 steps (5353 resets) in 7780 ms. (514 steps per ms) remains 4/4 properties
BEST_FIRST walk for 4000004 steps (5327 resets) in 7713 ms. (518 steps per ms) remains 3/4 properties
BEST_FIRST walk for 4000003 steps (5402 resets) in 7573 ms. (528 steps per ms) remains 3/3 properties
// Phase 1: matrix 274 rows 371 cols
[2025-05-29 20:20:17] [INFO ] Computed 123 invariants in 3 ms
[2025-05-29 20:20:17] [INFO ] State equation strengthened by 210 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 220/226 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/226 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 145/371 variables, 119/123 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/371 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 274/645 variables, 371/494 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/645 variables, 210/704 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/645 variables, 0/704 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 0/645 variables, 0/704 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 645/645 variables, and 704 constraints, problems are : Problem set: 0 solved, 3 unsolved in 321 ms.
Refiners :[Positive P Invariants (semi-flows): 123/123 constraints, State Equation: 371/371 constraints, ReadFeed: 210/210 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 220/226 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/226 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 145/371 variables, 119/123 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/371 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 274/645 variables, 371/494 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/645 variables, 210/704 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/645 variables, 3/707 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/645 variables, 0/707 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 0/645 variables, 0/707 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 645/645 variables, and 707 constraints, problems are : Problem set: 0 solved, 3 unsolved in 576 ms.
Refiners :[Positive P Invariants (semi-flows): 123/123 constraints, State Equation: 371/371 constraints, ReadFeed: 210/210 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 915ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 0 properties in 748 ms.
Support contains 6 out of 371 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 371/371 places, 274/274 transitions.
Free-agglomeration rule applied 2 times.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 371 transition count 272
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 369 transition count 272
Applied a total of 4 rules in 14 ms. Remains 369 /371 variables (removed 2) and now considering 272/274 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 369/371 places, 272/274 transitions.
RANDOM walk for 4000000 steps (37771 resets) in 17431 ms. (229 steps per ms) remains 3/3 properties
BEST_FIRST walk for 4000003 steps (7885 resets) in 9145 ms. (437 steps per ms) remains 3/3 properties
BEST_FIRST walk for 4000004 steps (5305 resets) in 7636 ms. (523 steps per ms) remains 2/3 properties
BEST_FIRST walk for 4000004 steps (5375 resets) in 7406 ms. (540 steps per ms) remains 2/2 properties
// Phase 1: matrix 272 rows 369 cols
[2025-05-29 20:20:30] [INFO ] Computed 123 invariants in 2 ms
[2025-05-29 20:20:30] [INFO ] State equation strengthened by 212 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 219/223 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/223 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 146/369 variables, 120/123 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/369 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 272/641 variables, 369/492 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/641 variables, 212/704 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/641 variables, 0/704 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/641 variables, 0/704 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 641/641 variables, and 704 constraints, problems are : Problem set: 0 solved, 2 unsolved in 343 ms.
Refiners :[Positive P Invariants (semi-flows): 123/123 constraints, State Equation: 369/369 constraints, ReadFeed: 212/212 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 219/223 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/223 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 146/369 variables, 120/123 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/369 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 272/641 variables, 369/492 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/641 variables, 212/704 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/641 variables, 2/706 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/641 variables, 0/706 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/641 variables, 0/706 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 641/641 variables, and 706 constraints, problems are : Problem set: 0 solved, 2 unsolved in 725 ms.
Refiners :[Positive P Invariants (semi-flows): 123/123 constraints, State Equation: 369/369 constraints, ReadFeed: 212/212 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 1086ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 283 ms.
Support contains 4 out of 369 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 369/369 places, 272/272 transitions.
Free-agglomeration rule applied 2 times.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 369 transition count 270
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 367 transition count 270
Applied a total of 4 rules in 21 ms. Remains 367 /369 variables (removed 2) and now considering 270/272 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21 ms. Remains : 367/369 places, 270/272 transitions.
RANDOM walk for 4000000 steps (35959 resets) in 16259 ms. (246 steps per ms) remains 2/2 properties
BEST_FIRST walk for 4000002 steps (8194 resets) in 9061 ms. (441 steps per ms) remains 2/2 properties
BEST_FIRST walk for 28715 steps (23 resets) in 76 ms. (372 steps per ms) remains 0/2 properties
Able to resolve query QuasiLiveness after proving 293 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK PROBABILISTIC_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 395188 ms.
ITS solved all properties within timeout

BK_STOP 1748550039527

--------------------
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="AutoFlight-PT-24b"
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 AutoFlight-PT-24b, 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 r014-tall-174853743800352"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutoFlight-PT-24b.tgz
mv AutoFlight-PT-24b 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 ;