Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r144-tall-171631144000342.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-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 2-5568
Executing tool greatspnxred
Input is DoubleExponent-PT-004, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r144-tall-171631144000342
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 468K
-rw-r--r-- 1 mcc users 7.5K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 84K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.6K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 39K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.5K May 19 07:08 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 19 15:46 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K May 19 07:16 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 19 18:14 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.6K May 14 13:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 102K May 14 13:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.5K May 14 13:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 51K May 14 13:22 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 19 07:10 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 19 15:25 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 4 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 67K May 18 16:42 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 1716406256179

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DoubleExponent-PT-004
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-22 19:30:57] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2024-05-22 19:30:57] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-22 19:30:57] [INFO ] Load time of PNML (sax parser for PT used): 70 ms
[2024-05-22 19:30:57] [INFO ] Transformed 216 places.
[2024-05-22 19:30:57] [INFO ] Transformed 198 transitions.
[2024-05-22 19:30:57] [INFO ] Parsed PT model containing 216 places and 198 transitions and 558 arcs in 169 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 216/216 places, 198/198 transitions.
Reduce places removed 4 places and 0 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 0 with 52 rules applied. Total rules applied 52 place count 212 transition count 150
Reduce places removed 48 places and 0 transitions.
Iterating post reduction 1 with 48 rules applied. Total rules applied 100 place count 164 transition count 150
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 8 Pre rules applied. Total rules applied 100 place count 164 transition count 142
Deduced a syphon composed of 8 places in 4 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 2 with 16 rules applied. Total rules applied 116 place count 156 transition count 142
Performed 40 Post agglomeration using F-continuation condition.Transition count delta: 40
Deduced a syphon composed of 40 places in 1 ms
Reduce places removed 40 places and 0 transitions.
Iterating global reduction 2 with 80 rules applied. Total rules applied 196 place count 116 transition count 102
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 12 rules applied. Total rules applied 208 place count 110 transition count 102
Applied a total of 208 rules in 59 ms. Remains 110 /216 variables (removed 106) and now considering 102/198 (removed 96) transitions.
// Phase 1: matrix 102 rows 110 cols
[2024-05-22 19:30:57] [INFO ] Computed 21 invariants in 25 ms
[2024-05-22 19:30:57] [INFO ] Implicit Places using invariants in 266 ms returned [47, 48]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 293 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 108/216 places, 102/198 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 108 transition count 101
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 107 transition count 101
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 8 place count 104 transition count 98
Applied a total of 8 rules in 7 ms. Remains 104 /108 variables (removed 4) and now considering 98/102 (removed 4) transitions.
// Phase 1: matrix 98 rows 104 cols
[2024-05-22 19:30:57] [INFO ] Computed 19 invariants in 3 ms
[2024-05-22 19:30:58] [INFO ] Implicit Places using invariants in 103 ms returned []
[2024-05-22 19:30:58] [INFO ] Invariant cache hit.
[2024-05-22 19:30:58] [INFO ] State equation strengthened by 8 read => feed constraints.
[2024-05-22 19:30:58] [INFO ] Implicit Places using invariants and state equation in 244 ms returned []
Implicit Place search using SMT with State Equation took 349 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 104/216 places, 98/198 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 726 ms. Remains : 104/216 places, 98/198 transitions.
Discarding 22 transitions out of 98. Remains 76
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (4881 resets) in 2072 ms. (19 steps per ms) remains 61/75 properties
BEST_FIRST walk for 4002 steps (288 resets) in 106 ms. (37 steps per ms) remains 61/61 properties
BEST_FIRST walk for 4001 steps (297 resets) in 101 ms. (39 steps per ms) remains 61/61 properties
BEST_FIRST walk for 4001 steps (300 resets) in 28 ms. (137 steps per ms) remains 61/61 properties
BEST_FIRST walk for 4001 steps (302 resets) in 146 ms. (27 steps per ms) remains 61/61 properties
BEST_FIRST walk for 4002 steps (302 resets) in 41 ms. (95 steps per ms) remains 61/61 properties
BEST_FIRST walk for 4000 steps (299 resets) in 33 ms. (117 steps per ms) remains 61/61 properties
BEST_FIRST walk for 4000 steps (295 resets) in 35 ms. (111 steps per ms) remains 55/61 properties
BEST_FIRST walk for 4001 steps (303 resets) in 49 ms. (80 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4000 steps (299 resets) in 22 ms. (173 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4000 steps (298 resets) in 24 ms. (160 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4002 steps (293 resets) in 20 ms. (190 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4001 steps (306 resets) in 20 ms. (190 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4002 steps (287 resets) in 20 ms. (190 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4001 steps (294 resets) in 36 ms. (108 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4002 steps (303 resets) in 21 ms. (181 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4002 steps (288 resets) in 25 ms. (153 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4001 steps (311 resets) in 44 ms. (88 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4001 steps (305 resets) in 38 ms. (102 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4003 steps (289 resets) in 31 ms. (125 steps per ms) remains 49/55 properties
BEST_FIRST walk for 4001 steps (292 resets) in 23 ms. (166 steps per ms) remains 49/49 properties
BEST_FIRST walk for 4002 steps (316 resets) in 16 ms. (235 steps per ms) remains 49/49 properties
BEST_FIRST walk for 4001 steps (304 resets) in 41 ms. (95 steps per ms) remains 49/49 properties
BEST_FIRST walk for 4001 steps (287 resets) in 43 ms. (90 steps per ms) remains 49/49 properties
BEST_FIRST walk for 4001 steps (295 resets) in 26 ms. (148 steps per ms) remains 49/49 properties
BEST_FIRST walk for 4001 steps (294 resets) in 43 ms. (90 steps per ms) remains 49/49 properties
BEST_FIRST walk for 4001 steps (310 resets) in 26 ms. (148 steps per ms) remains 49/49 properties
BEST_FIRST walk for 4003 steps (306 resets) in 27 ms. (142 steps per ms) remains 49/49 properties
BEST_FIRST walk for 4001 steps (305 resets) in 24 ms. (160 steps per ms) remains 49/49 properties
BEST_FIRST walk for 4001 steps (302 resets) in 25 ms. (153 steps per ms) remains 49/49 properties
BEST_FIRST walk for 4002 steps (291 resets) in 43 ms. (90 steps per ms) remains 49/49 properties
BEST_FIRST walk for 4002 steps (288 resets) in 24 ms. (160 steps per ms) remains 49/49 properties
BEST_FIRST walk for 4001 steps (303 resets) in 27 ms. (142 steps per ms) remains 49/49 properties
BEST_FIRST walk for 4001 steps (311 resets) in 41 ms. (95 steps per ms) remains 49/49 properties
BEST_FIRST walk for 4003 steps (292 resets) in 35 ms. (111 steps per ms) remains 49/49 properties
BEST_FIRST walk for 4001 steps (308 resets) in 40 ms. (97 steps per ms) remains 49/49 properties
BEST_FIRST walk for 4003 steps (282 resets) in 25 ms. (153 steps per ms) remains 49/49 properties
BEST_FIRST walk for 4002 steps (304 resets) in 33 ms. (117 steps per ms) remains 49/49 properties
BEST_FIRST walk for 4000 steps (293 resets) in 23 ms. (166 steps per ms) remains 49/49 properties
BEST_FIRST walk for 4000 steps (293 resets) in 39 ms. (100 steps per ms) remains 49/49 properties
BEST_FIRST walk for 4002 steps (299 resets) in 24 ms. (160 steps per ms) remains 49/49 properties
BEST_FIRST walk for 4001 steps (301 resets) in 16 ms. (235 steps per ms) remains 49/49 properties
BEST_FIRST walk for 4001 steps (306 resets) in 22 ms. (173 steps per ms) remains 49/49 properties
BEST_FIRST walk for 4001 steps (297 resets) in 20 ms. (190 steps per ms) remains 49/49 properties
BEST_FIRST walk for 4003 steps (309 resets) in 20 ms. (190 steps per ms) remains 49/49 properties
BEST_FIRST walk for 4002 steps (302 resets) in 18 ms. (210 steps per ms) remains 49/49 properties
BEST_FIRST walk for 4001 steps (295 resets) in 18 ms. (210 steps per ms) remains 49/49 properties
BEST_FIRST walk for 4001 steps (317 resets) in 19 ms. (200 steps per ms) remains 49/49 properties
BEST_FIRST walk for 4002 steps (300 resets) in 40 ms. (97 steps per ms) remains 49/49 properties
BEST_FIRST walk for 4002 steps (300 resets) in 24 ms. (160 steps per ms) remains 49/49 properties
[2024-05-22 19:30:59] [INFO ] Invariant cache hit.
[2024-05-22 19:30:59] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/71 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/71 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 2 (OVERLAPS) 22/93 variables, 9/16 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/93 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 4 (OVERLAPS) 3/96 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 49 unsolved
[2024-05-22 19:31:00] [INFO ] Deduced a trap composed of 7 places in 38 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/96 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 7 (OVERLAPS) 4/100 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/100 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 9 (OVERLAPS) 98/198 variables, 100/120 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/198 variables, 8/128 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/198 variables, 0/128 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 12 (OVERLAPS) 4/202 variables, 4/132 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/202 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 14 (OVERLAPS) 0/202 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 49 unsolved
No progress, stopping.
After SMT solving in domain Real declared 202/202 variables, and 132 constraints, problems are : Problem set: 0 solved, 49 unsolved in 2340 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 17/17 constraints, State Equation: 104/104 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 49/49 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 49 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/71 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/71 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 2 (OVERLAPS) 22/93 variables, 9/16 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/93 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 4 (OVERLAPS) 3/96 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/96 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 7 (OVERLAPS) 4/100 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/100 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 9 (OVERLAPS) 98/198 variables, 100/120 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/198 variables, 8/128 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/198 variables, 39/167 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/198 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 13 (OVERLAPS) 4/202 variables, 4/171 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/202 variables, 10/181 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/202 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 16 (OVERLAPS) 0/202 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 49 unsolved
No progress, stopping.
After SMT solving in domain Int declared 202/202 variables, and 181 constraints, problems are : Problem set: 0 solved, 49 unsolved in 2951 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 17/17 constraints, State Equation: 104/104 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 49/49 constraints, Known Traps: 1/1 constraints]
After SMT, in 5337ms problems are : Problem set: 0 solved, 49 unsolved
Parikh walk visited 0 properties in 12602 ms.
Support contains 71 out of 104 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 104/104 places, 98/98 transitions.
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 104 transition count 98
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 103 transition count 97
Applied a total of 3 rules in 19 ms. Remains 103 /104 variables (removed 1) and now considering 97/98 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 103/104 places, 97/98 transitions.
RANDOM walk for 4000000 steps (500005 resets) in 19846 ms. (201 steps per ms) remains 47/49 properties
BEST_FIRST walk for 400001 steps (33329 resets) in 1663 ms. (240 steps per ms) remains 47/47 properties
BEST_FIRST walk for 400002 steps (33536 resets) in 1231 ms. (324 steps per ms) remains 47/47 properties
BEST_FIRST walk for 400000 steps (33307 resets) in 1192 ms. (335 steps per ms) remains 47/47 properties
BEST_FIRST walk for 400001 steps (33393 resets) in 1198 ms. (333 steps per ms) remains 47/47 properties
BEST_FIRST walk for 400001 steps (33370 resets) in 1401 ms. (285 steps per ms) remains 47/47 properties
BEST_FIRST walk for 400001 steps (33419 resets) in 1197 ms. (333 steps per ms) remains 47/47 properties
BEST_FIRST walk for 400000 steps (33296 resets) in 1589 ms. (251 steps per ms) remains 47/47 properties
BEST_FIRST walk for 400002 steps (33587 resets) in 2687 ms. (148 steps per ms) remains 47/47 properties
BEST_FIRST walk for 400002 steps (33380 resets) in 1791 ms. (223 steps per ms) remains 47/47 properties
BEST_FIRST walk for 400001 steps (33272 resets) in 1340 ms. (298 steps per ms) remains 47/47 properties
BEST_FIRST walk for 400001 steps (33443 resets) in 1414 ms. (282 steps per ms) remains 47/47 properties
BEST_FIRST walk for 400003 steps (33448 resets) in 1359 ms. (294 steps per ms) remains 47/47 properties
BEST_FIRST walk for 400001 steps (33449 resets) in 1328 ms. (300 steps per ms) remains 47/47 properties
BEST_FIRST walk for 400003 steps (33306 resets) in 1329 ms. (300 steps per ms) remains 47/47 properties
BEST_FIRST walk for 400002 steps (33037 resets) in 1324 ms. (301 steps per ms) remains 47/47 properties
BEST_FIRST walk for 400002 steps (33281 resets) in 1319 ms. (303 steps per ms) remains 47/47 properties
BEST_FIRST walk for 400002 steps (33499 resets) in 1470 ms. (271 steps per ms) remains 47/47 properties
BEST_FIRST walk for 400001 steps (33211 resets) in 1250 ms. (319 steps per ms) remains 47/47 properties
BEST_FIRST walk for 400002 steps (33490 resets) in 1299 ms. (307 steps per ms) remains 47/47 properties
BEST_FIRST walk for 400002 steps (33224 resets) in 1313 ms. (304 steps per ms) remains 47/47 properties
BEST_FIRST walk for 400001 steps (33396 resets) in 1278 ms. (312 steps per ms) remains 47/47 properties
BEST_FIRST walk for 400001 steps (33365 resets) in 1266 ms. (315 steps per ms) remains 47/47 properties
BEST_FIRST walk for 400001 steps (33278 resets) in 1759 ms. (227 steps per ms) remains 47/47 properties
BEST_FIRST walk for 400001 steps (33520 resets) in 1313 ms. (304 steps per ms) remains 47/47 properties
BEST_FIRST walk for 400001 steps (33474 resets) in 1297 ms. (308 steps per ms) remains 47/47 properties
BEST_FIRST walk for 400001 steps (33309 resets) in 1275 ms. (313 steps per ms) remains 47/47 properties
BEST_FIRST walk for 400001 steps (33212 resets) in 1288 ms. (310 steps per ms) remains 47/47 properties
BEST_FIRST walk for 400002 steps (33372 resets) in 1295 ms. (308 steps per ms) remains 47/47 properties
BEST_FIRST walk for 400002 steps (33018 resets) in 1280 ms. (312 steps per ms) remains 47/47 properties
BEST_FIRST walk for 400000 steps (33292 resets) in 1268 ms. (315 steps per ms) remains 47/47 properties
BEST_FIRST walk for 400002 steps (33564 resets) in 1275 ms. (313 steps per ms) remains 47/47 properties
BEST_FIRST walk for 400002 steps (33442 resets) in 1255 ms. (318 steps per ms) remains 47/47 properties
BEST_FIRST walk for 400001 steps (33297 resets) in 1251 ms. (319 steps per ms) remains 47/47 properties
BEST_FIRST walk for 400002 steps (33142 resets) in 1404 ms. (284 steps per ms) remains 47/47 properties
BEST_FIRST walk for 400002 steps (33332 resets) in 1321 ms. (302 steps per ms) remains 47/47 properties
BEST_FIRST walk for 400002 steps (33405 resets) in 1311 ms. (304 steps per ms) remains 47/47 properties
BEST_FIRST walk for 400001 steps (33295 resets) in 1290 ms. (309 steps per ms) remains 47/47 properties
BEST_FIRST walk for 400002 steps (33172 resets) in 1292 ms. (309 steps per ms) remains 47/47 properties
BEST_FIRST walk for 400000 steps (33326 resets) in 1291 ms. (309 steps per ms) remains 47/47 properties
BEST_FIRST walk for 400002 steps (33297 resets) in 1268 ms. (315 steps per ms) remains 47/47 properties
BEST_FIRST walk for 400002 steps (33328 resets) in 1272 ms. (314 steps per ms) remains 47/47 properties
BEST_FIRST walk for 400002 steps (33298 resets) in 1257 ms. (317 steps per ms) remains 47/47 properties
BEST_FIRST walk for 400001 steps (33424 resets) in 1275 ms. (313 steps per ms) remains 47/47 properties
BEST_FIRST walk for 400001 steps (33245 resets) in 1232 ms. (324 steps per ms) remains 47/47 properties
BEST_FIRST walk for 400003 steps (33509 resets) in 1235 ms. (323 steps per ms) remains 47/47 properties
BEST_FIRST walk for 400000 steps (33491 resets) in 1242 ms. (321 steps per ms) remains 47/47 properties
BEST_FIRST walk for 400003 steps (33337 resets) in 1253 ms. (318 steps per ms) remains 47/47 properties
Probably explored full state space saw : 882644 states, properties seen :28
Probabilistic random walk after 1765367 steps, saw 882644 distinct states, run finished after 21774 ms. (steps per millisecond=81 ) properties seen :28
Interrupted probabilistic random walk after 7634657 steps, run timeout after 78001 ms. (steps per millisecond=97 ) properties seen :13 out of 19
Exhaustive walk after 7634657 steps, saw 3817695 distinct states, run finished after 78012 ms. (steps per millisecond=97 ) properties seen :13
// Phase 1: matrix 97 rows 103 cols
[2024-05-22 19:33:24] [INFO ] Computed 19 invariants in 5 ms
[2024-05-22 19:33:24] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 21/32 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 46/78 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 11/89 variables, 6/17 constraints. Problems are: Problem set: 0 solved, 6 unsolved
[2024-05-22 19:33:24] [INFO ] Deduced a trap composed of 4 places in 38 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/89 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/89 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 95/184 variables, 89/107 constraints. Problems are: Problem set: 0 solved, 6 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/184 variables, 7/114 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/184 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (OVERLAPS) 16/200 variables, 14/128 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/200 variables, 2/130 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/200 variables, 1/131 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/200 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 15 (OVERLAPS) 0/200 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 200/200 variables, and 131 constraints, problems are : Problem set: 0 solved, 6 unsolved in 314 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 17/17 constraints, State Equation: 103/103 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 21/32 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 46/78 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 11/89 variables, 6/17 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/89 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/89 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 95/184 variables, 89/107 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/184 variables, 7/114 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/184 variables, 2/116 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/184 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (OVERLAPS) 16/200 variables, 14/130 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/200 variables, 2/132 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/200 variables, 1/133 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/200 variables, 4/137 constraints. Problems are: Problem set: 0 solved, 6 unsolved
[2024-05-22 19:33:24] [INFO ] Deduced a trap composed of 16 places in 35 ms of which 1 ms to minimize.
[2024-05-22 19:33:24] [INFO ] Deduced a trap composed of 13 places in 33 ms of which 1 ms to minimize.
[2024-05-22 19:33:24] [INFO ] Deduced a trap composed of 14 places in 30 ms of which 1 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/200 variables, 3/140 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/200 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 18 (OVERLAPS) 0/200 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 200/200 variables, and 140 constraints, problems are : Problem set: 0 solved, 6 unsolved in 440 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 17/17 constraints, State Equation: 103/103 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 4/4 constraints]
After SMT, in 772ms problems are : Problem set: 0 solved, 6 unsolved
Parikh walk visited 0 properties in 6080 ms.
Support contains 11 out of 103 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 103/103 places, 97/97 transitions.
Free-agglomeration rule (complex) applied 9 times.
Iterating global reduction 0 with 9 rules applied. Total rules applied 9 place count 103 transition count 88
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 18 place count 94 transition count 88
Partial Free-agglomeration rule applied 9 times.
Drop transitions (Partial Free agglomeration) removed 9 transitions
Iterating global reduction 1 with 9 rules applied. Total rules applied 27 place count 94 transition count 88
Applied a total of 27 rules in 15 ms. Remains 94 /103 variables (removed 9) and now considering 88/97 (removed 9) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 94/103 places, 88/97 transitions.
RANDOM walk for 4000000 steps (508785 resets) in 9509 ms. (420 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000001 steps (337090 resets) in 5065 ms. (789 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000001 steps (337495 resets) in 4846 ms. (825 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000001 steps (336894 resets) in 4962 ms. (805 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000001 steps (337094 resets) in 4973 ms. (804 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000001 steps (337336 resets) in 4988 ms. (801 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000002 steps (336856 resets) in 4819 ms. (829 steps per ms) remains 6/6 properties
Interrupted probabilistic random walk after 4401393 steps, run timeout after 39001 ms. (steps per millisecond=112 ) properties seen :0 out of 6
Probabilistic random walk after 4401393 steps, saw 2200708 distinct states, run finished after 39002 ms. (steps per millisecond=112 ) properties seen :0
// Phase 1: matrix 88 rows 94 cols
[2024-05-22 19:34:23] [INFO ] Computed 19 invariants in 8 ms
[2024-05-22 19:34:23] [INFO ] State equation strengthened by 12 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 31/42 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/42 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 35/77 variables, 8/14 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/77 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 5/82 variables, 3/17 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/82 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 86/168 variables, 82/99 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/168 variables, 11/110 constraints. Problems are: Problem set: 0 solved, 6 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/168 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (OVERLAPS) 14/182 variables, 12/122 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 2/124 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/182 variables, 1/125 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/182 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (OVERLAPS) 0/182 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 182/182 variables, and 125 constraints, problems are : Problem set: 0 solved, 6 unsolved in 256 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 17/17 constraints, State Equation: 94/94 constraints, ReadFeed: 12/12 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) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 31/42 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/42 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 35/77 variables, 8/14 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/77 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 5/82 variables, 3/17 constraints. Problems are: Problem set: 0 solved, 6 unsolved
[2024-05-22 19:34:23] [INFO ] Deduced a trap composed of 4 places in 36 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/82 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/82 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 86/168 variables, 82/100 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/168 variables, 11/111 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/168 variables, 2/113 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/168 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (OVERLAPS) 14/182 variables, 12/125 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/182 variables, 2/127 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/182 variables, 1/128 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/182 variables, 4/132 constraints. Problems are: Problem set: 0 solved, 6 unsolved
[2024-05-22 19:34:24] [INFO ] Deduced a trap composed of 13 places in 34 ms of which 0 ms to minimize.
[2024-05-22 19:34:24] [INFO ] Deduced a trap composed of 16 places in 26 ms of which 1 ms to minimize.
[2024-05-22 19:34:24] [INFO ] Deduced a trap composed of 11 places in 35 ms of which 1 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/182 variables, 3/135 constraints. Problems are: Problem set: 0 solved, 6 unsolved
[2024-05-22 19:34:24] [INFO ] Deduced a trap composed of 9 places in 39 ms of which 1 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/182 variables, 1/136 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/182 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 19 (OVERLAPS) 0/182 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 182/182 variables, and 136 constraints, problems are : Problem set: 0 solved, 6 unsolved in 619 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 17/17 constraints, State Equation: 94/94 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 5/5 constraints]
After SMT, in 893ms problems are : Problem set: 0 solved, 6 unsolved
Parikh walk visited 0 properties in 3332 ms.
Support contains 11 out of 94 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 94/94 places, 88/88 transitions.
Applied a total of 0 rules in 4 ms. Remains 94 /94 variables (removed 0) and now considering 88/88 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 94/94 places, 88/88 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 94/94 places, 88/88 transitions.
Applied a total of 0 rules in 4 ms. Remains 94 /94 variables (removed 0) and now considering 88/88 (removed 0) transitions.
[2024-05-22 19:34:27] [INFO ] Invariant cache hit.
[2024-05-22 19:34:27] [INFO ] Implicit Places using invariants in 67 ms returned []
[2024-05-22 19:34:27] [INFO ] Invariant cache hit.
[2024-05-22 19:34:27] [INFO ] State equation strengthened by 12 read => feed constraints.
[2024-05-22 19:34:28] [INFO ] Implicit Places using invariants and state equation in 198 ms returned [20, 62, 67, 85, 91]
[2024-05-22 19:34:28] [INFO ] Actually due to overlaps returned [67, 62]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 270 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 92/94 places, 88/88 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 92 transition count 87
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 91 transition count 87
Applied a total of 2 rules in 10 ms. Remains 91 /92 variables (removed 1) and now considering 87/88 (removed 1) transitions.
// Phase 1: matrix 87 rows 91 cols
[2024-05-22 19:34:28] [INFO ] Computed 17 invariants in 3 ms
[2024-05-22 19:34:28] [INFO ] Implicit Places using invariants in 65 ms returned []
[2024-05-22 19:34:28] [INFO ] Invariant cache hit.
[2024-05-22 19:34:28] [INFO ] State equation strengthened by 12 read => feed constraints.
[2024-05-22 19:34:28] [INFO ] Implicit Places using invariants and state equation in 189 ms returned [20, 82, 88]
[2024-05-22 19:34:28] [INFO ] Actually due to overlaps returned [88, 82]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 259 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 89/94 places, 87/88 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 89 transition count 86
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 88 transition count 86
Applied a total of 2 rules in 9 ms. Remains 88 /89 variables (removed 1) and now considering 86/87 (removed 1) transitions.
// Phase 1: matrix 86 rows 88 cols
[2024-05-22 19:34:28] [INFO ] Computed 15 invariants in 3 ms
[2024-05-22 19:34:28] [INFO ] Implicit Places using invariants in 57 ms returned []
[2024-05-22 19:34:28] [INFO ] Invariant cache hit.
[2024-05-22 19:34:28] [INFO ] State equation strengthened by 12 read => feed constraints.
[2024-05-22 19:34:28] [INFO ] Implicit Places using invariants and state equation in 158 ms returned [20]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 219 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 3 : 87/94 places, 86/88 transitions.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 87 transition count 86
Applied a total of 1 rules in 8 ms. Remains 87 /87 variables (removed 0) and now considering 86/86 (removed 0) transitions.
// Phase 1: matrix 86 rows 87 cols
[2024-05-22 19:34:28] [INFO ] Computed 14 invariants in 4 ms
[2024-05-22 19:34:28] [INFO ] Implicit Places using invariants in 61 ms returned []
[2024-05-22 19:34:28] [INFO ] Invariant cache hit.
[2024-05-22 19:34:28] [INFO ] State equation strengthened by 12 read => feed constraints.
[2024-05-22 19:34:28] [INFO ] Implicit Places using invariants and state equation in 171 ms returned []
Implicit Place search using SMT with State Equation took 234 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 4 : 87/94 places, 86/88 transitions.
Finished structural reductions in REACHABILITY mode , in 4 iterations and 1014 ms. Remains : 87/94 places, 86/88 transitions.
RANDOM walk for 4000000 steps (572126 resets) in 6840 ms. (584 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000000 steps (363768 resets) in 4720 ms. (847 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000001 steps (363696 resets) in 4758 ms. (840 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000001 steps (363384 resets) in 4702 ms. (850 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000000 steps (363508 resets) in 4709 ms. (849 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000001 steps (363329 resets) in 4834 ms. (827 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000000 steps (363204 resets) in 4328 ms. (924 steps per ms) remains 6/6 properties
Interrupted probabilistic random walk after 3751719 steps, run timeout after 33001 ms. (steps per millisecond=113 ) properties seen :0 out of 6
Probabilistic random walk after 3751719 steps, saw 1875840 distinct states, run finished after 33001 ms. (steps per millisecond=113 ) properties seen :0
[2024-05-22 19:35:13] [INFO ] Invariant cache hit.
[2024-05-22 19:35:13] [INFO ] State equation strengthened by 12 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 45/56 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 19/75 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 6 unsolved
[2024-05-22 19:35:13] [INFO ] Deduced a trap composed of 3 places in 35 ms of which 0 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 84/159 variables, 75/88 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/159 variables, 11/99 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/159 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 6 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 14/173 variables, 12/111 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/173 variables, 2/113 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/173 variables, 1/114 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/173 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (OVERLAPS) 0/173 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 173/173 variables, and 114 constraints, problems are : Problem set: 0 solved, 6 unsolved in 255 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 87/87 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 45/56 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 19/75 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 84/159 variables, 75/88 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/159 variables, 11/99 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/159 variables, 2/101 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/159 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (OVERLAPS) 14/173 variables, 12/113 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/173 variables, 2/115 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/173 variables, 1/116 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/173 variables, 4/120 constraints. Problems are: Problem set: 0 solved, 6 unsolved
[2024-05-22 19:35:13] [INFO ] Deduced a trap composed of 13 places in 38 ms of which 0 ms to minimize.
[2024-05-22 19:35:14] [INFO ] Deduced a trap composed of 11 places in 24 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/173 variables, 2/122 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/173 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 16 (OVERLAPS) 0/173 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 173/173 variables, and 122 constraints, problems are : Problem set: 0 solved, 6 unsolved in 329 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 87/87 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 3/3 constraints]
After SMT, in 591ms problems are : Problem set: 0 solved, 6 unsolved
Parikh walk visited 0 properties in 5868 ms.
Support contains 11 out of 87 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 87/87 places, 86/86 transitions.
Applied a total of 0 rules in 3 ms. Remains 87 /87 variables (removed 0) and now considering 86/86 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 87/87 places, 86/86 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 87/87 places, 86/86 transitions.
Applied a total of 0 rules in 3 ms. Remains 87 /87 variables (removed 0) and now considering 86/86 (removed 0) transitions.
[2024-05-22 19:35:20] [INFO ] Invariant cache hit.
[2024-05-22 19:35:20] [INFO ] Implicit Places using invariants in 62 ms returned []
[2024-05-22 19:35:20] [INFO ] Invariant cache hit.
[2024-05-22 19:35:20] [INFO ] State equation strengthened by 12 read => feed constraints.
[2024-05-22 19:35:20] [INFO ] Implicit Places using invariants and state equation in 171 ms returned []
Implicit Place search using SMT with State Equation took 236 ms to find 0 implicit places.
[2024-05-22 19:35:20] [INFO ] Redundant transitions in 2 ms returned []
Running 85 sub problems to find dead transitions.
[2024-05-22 19:35:20] [INFO ] Invariant cache hit.
[2024-05-22 19:35:20] [INFO ] State equation strengthened by 12 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 3 (OVERLAPS) 86/172 variables, 86/100 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/172 variables, 12/112 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/172 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 85 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 1/173 variables, 1/113 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/173 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 8 (OVERLAPS) 0/173 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 85 unsolved
No progress, stopping.
After SMT solving in domain Real declared 173/173 variables, and 113 constraints, problems are : Problem set: 0 solved, 85 unsolved in 1758 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 87/87 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 85/85 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 85 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 3 (OVERLAPS) 86/172 variables, 86/100 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/172 variables, 12/112 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/172 variables, 82/194 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/172 variables, 0/194 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 7 (OVERLAPS) 1/173 variables, 1/195 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/173 variables, 3/198 constraints. Problems are: Problem set: 0 solved, 85 unsolved
[2024-05-22 19:35:24] [INFO ] Deduced a trap composed of 8 places in 35 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/173 variables, 1/199 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/173 variables, 0/199 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 11 (OVERLAPS) 0/173 variables, 0/199 constraints. Problems are: Problem set: 0 solved, 85 unsolved
No progress, stopping.
After SMT solving in domain Int declared 173/173 variables, and 199 constraints, problems are : Problem set: 0 solved, 85 unsolved in 5144 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 87/87 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 85/85 constraints, Known Traps: 1/1 constraints]
After SMT, in 6930ms problems are : Problem set: 0 solved, 85 unsolved
Search for dead transitions found 0 dead transitions in 6932ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7179 ms. Remains : 87/87 places, 86/86 transitions.
RANDOM walk for 400000 steps (57237 resets) in 3609 ms. (110 steps per ms) remains 11/11 properties
Running SMT prover for 11 properties.
[2024-05-22 19:35:28] [INFO ] Invariant cache hit.
[2024-05-22 19:35:28] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-22 19:35:28] [INFO ] [Real]Absence check using 2 positive and 12 generalized place invariants in 4 ms returned sat
[2024-05-22 19:35:28] [INFO ] After 38ms SMT Verify possible using state equation in real domain returned unsat :0 sat :11
[2024-05-22 19:35:28] [INFO ] State equation strengthened by 12 read => feed constraints.
[2024-05-22 19:35:28] [INFO ] After 25ms SMT Verify possible using 12 Read/Feed constraints in real domain returned unsat :0 sat :11
TRAPS : Iteration 0
[2024-05-22 19:35:28] [INFO ] After 127ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:11
[2024-05-22 19:35:28] [INFO ] After 219ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:11
[2024-05-22 19:35:28] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-05-22 19:35:28] [INFO ] [Nat]Absence check using 2 positive and 12 generalized place invariants in 3 ms returned sat
[2024-05-22 19:35:28] [INFO ] After 38ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :11
[2024-05-22 19:35:28] [INFO ] After 28ms SMT Verify possible using 12 Read/Feed constraints in natural domain returned unsat :0 sat :11
TRAPS : Iteration 0
[2024-05-22 19:35:28] [INFO ] Deduced a trap composed of 11 places in 35 ms of which 1 ms to minimize.
[2024-05-22 19:35:28] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 46 ms
TRAPS : Iteration 1
[2024-05-22 19:35:28] [INFO ] After 255ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :11
[2024-05-22 19:35:28] [INFO ] After 356ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :11
RANDOM walk for 4000000 steps (572371 resets) in 9111 ms. (438 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000002 steps (363917 resets) in 4797 ms. (833 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000002 steps (364387 resets) in 4739 ms. (843 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000002 steps (363019 resets) in 4725 ms. (846 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000002 steps (363745 resets) in 5948 ms. (672 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000000 steps (363702 resets) in 4701 ms. (850 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000001 steps (364324 resets) in 4679 ms. (854 steps per ms) remains 6/6 properties
Interrupted probabilistic random walk after 4337421 steps, run timeout after 39001 ms. (steps per millisecond=111 ) properties seen :0 out of 6
Probabilistic random walk after 4337421 steps, saw 2168581 distinct states, run finished after 39001 ms. (steps per millisecond=111 ) properties seen :0
[2024-05-22 19:36:21] [INFO ] Invariant cache hit.
[2024-05-22 19:36:21] [INFO ] State equation strengthened by 12 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 45/56 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 19/75 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 6 unsolved
[2024-05-22 19:36:21] [INFO ] Deduced a trap composed of 3 places in 36 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 84/159 variables, 75/88 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/159 variables, 11/99 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/159 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 6 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 14/173 variables, 12/111 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/173 variables, 2/113 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/173 variables, 1/114 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/173 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (OVERLAPS) 0/173 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 173/173 variables, and 114 constraints, problems are : Problem set: 0 solved, 6 unsolved in 263 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 87/87 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 45/56 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 19/75 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 84/159 variables, 75/88 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/159 variables, 11/99 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/159 variables, 2/101 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/159 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (OVERLAPS) 14/173 variables, 12/113 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/173 variables, 2/115 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/173 variables, 1/116 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/173 variables, 4/120 constraints. Problems are: Problem set: 0 solved, 6 unsolved
[2024-05-22 19:36:22] [INFO ] Deduced a trap composed of 13 places in 34 ms of which 1 ms to minimize.
[2024-05-22 19:36:22] [INFO ] Deduced a trap composed of 11 places in 24 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/173 variables, 2/122 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/173 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 16 (OVERLAPS) 0/173 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 173/173 variables, and 122 constraints, problems are : Problem set: 0 solved, 6 unsolved in 327 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 87/87 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 3/3 constraints]
After SMT, in 606ms problems are : Problem set: 0 solved, 6 unsolved
Parikh walk visited 0 properties in 5764 ms.
Support contains 11 out of 87 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 87/87 places, 86/86 transitions.
Applied a total of 0 rules in 3 ms. Remains 87 /87 variables (removed 0) and now considering 86/86 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 87/87 places, 86/86 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 87/87 places, 86/86 transitions.
Applied a total of 0 rules in 4 ms. Remains 87 /87 variables (removed 0) and now considering 86/86 (removed 0) transitions.
[2024-05-22 19:36:27] [INFO ] Invariant cache hit.
[2024-05-22 19:36:28] [INFO ] Implicit Places using invariants in 53 ms returned []
[2024-05-22 19:36:28] [INFO ] Invariant cache hit.
[2024-05-22 19:36:28] [INFO ] State equation strengthened by 12 read => feed constraints.
[2024-05-22 19:36:28] [INFO ] Implicit Places using invariants and state equation in 173 ms returned []
Implicit Place search using SMT with State Equation took 227 ms to find 0 implicit places.
[2024-05-22 19:36:28] [INFO ] Redundant transitions in 1 ms returned []
Running 85 sub problems to find dead transitions.
[2024-05-22 19:36:28] [INFO ] Invariant cache hit.
[2024-05-22 19:36:28] [INFO ] State equation strengthened by 12 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 3 (OVERLAPS) 86/172 variables, 86/100 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/172 variables, 12/112 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/172 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 85 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 1/173 variables, 1/113 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/173 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 8 (OVERLAPS) 0/173 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 85 unsolved
No progress, stopping.
After SMT solving in domain Real declared 173/173 variables, and 113 constraints, problems are : Problem set: 0 solved, 85 unsolved in 1727 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 87/87 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 85/85 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 85 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 3 (OVERLAPS) 86/172 variables, 86/100 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/172 variables, 12/112 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/172 variables, 82/194 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/172 variables, 0/194 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 7 (OVERLAPS) 1/173 variables, 1/195 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/173 variables, 3/198 constraints. Problems are: Problem set: 0 solved, 85 unsolved
[2024-05-22 19:36:32] [INFO ] Deduced a trap composed of 8 places in 34 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/173 variables, 1/199 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/173 variables, 0/199 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 11 (OVERLAPS) 0/173 variables, 0/199 constraints. Problems are: Problem set: 0 solved, 85 unsolved
No progress, stopping.
After SMT solving in domain Int declared 173/173 variables, and 199 constraints, problems are : Problem set: 0 solved, 85 unsolved in 4731 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 87/87 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 85/85 constraints, Known Traps: 1/1 constraints]
After SMT, in 6483ms problems are : Problem set: 0 solved, 85 unsolved
Search for dead transitions found 0 dead transitions in 6486ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6724 ms. Remains : 87/87 places, 86/86 transitions.
RANDOM walk for 400000 steps (57164 resets) in 1094 ms. (365 steps per ms) remains 11/11 properties
Running SMT prover for 11 properties.
[2024-05-22 19:36:35] [INFO ] Invariant cache hit.
[2024-05-22 19:36:35] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-22 19:36:35] [INFO ] [Real]Absence check using 2 positive and 12 generalized place invariants in 3 ms returned sat
[2024-05-22 19:36:35] [INFO ] After 36ms SMT Verify possible using state equation in real domain returned unsat :0 sat :11
[2024-05-22 19:36:35] [INFO ] State equation strengthened by 12 read => feed constraints.
[2024-05-22 19:36:35] [INFO ] After 17ms SMT Verify possible using 12 Read/Feed constraints in real domain returned unsat :0 sat :11
TRAPS : Iteration 0
[2024-05-22 19:36:35] [INFO ] After 110ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:11
[2024-05-22 19:36:35] [INFO ] After 180ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:11
[2024-05-22 19:36:35] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-22 19:36:35] [INFO ] [Nat]Absence check using 2 positive and 12 generalized place invariants in 3 ms returned sat
[2024-05-22 19:36:35] [INFO ] After 35ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :11
[2024-05-22 19:36:35] [INFO ] After 26ms SMT Verify possible using 12 Read/Feed constraints in natural domain returned unsat :0 sat :11
TRAPS : Iteration 0
[2024-05-22 19:36:35] [INFO ] Deduced a trap composed of 11 places in 32 ms of which 0 ms to minimize.
[2024-05-22 19:36:35] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 44 ms
TRAPS : Iteration 1
[2024-05-22 19:36:35] [INFO ] After 236ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :11
[2024-05-22 19:36:35] [INFO ] After 329ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :11
RANDOM walk for 40000 steps (5656 resets) in 82 ms. (481 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40000 steps (3628 resets) in 104 ms. (380 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1217940 steps, run timeout after 3001 ms. (steps per millisecond=405 ) properties seen :0 out of 1
Probabilistic random walk after 1217940 steps, saw 608971 distinct states, run finished after 3001 ms. (steps per millisecond=405 ) properties seen :0
[2024-05-22 19:36:38] [INFO ] Invariant cache hit.
[2024-05-22 19:36:38] [INFO ] State equation strengthened by 12 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 43/44 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/44 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 21/65 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 76/141 variables, 65/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/141 variables, 10/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/141 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 26/167 variables, 17/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/167 variables, 2/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/167 variables, 1/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/167 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 2/169 variables, 2/107 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/169 variables, 2/109 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/169 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 4/173 variables, 3/112 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/173 variables, 1/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/173 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/173 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 173/173 variables, and 113 constraints, problems are : Problem set: 0 solved, 1 unsolved in 117 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 87/87 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 43/44 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/44 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 21/65 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 76/141 variables, 65/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/141 variables, 10/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/141 variables, 1/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/141 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 26/167 variables, 17/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/167 variables, 2/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/167 variables, 1/106 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:36:38] [INFO ] Deduced a trap composed of 4 places in 38 ms of which 0 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/167 variables, 1/107 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/167 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 2/169 variables, 2/109 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/169 variables, 2/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:36:39] [INFO ] Deduced a trap composed of 10 places in 26 ms of which 1 ms to minimize.
[2024-05-22 19:36:39] [INFO ] Deduced a trap composed of 11 places in 23 ms of which 0 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/169 variables, 2/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/169 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 4/173 variables, 3/116 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/173 variables, 1/117 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/173 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/173 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 173/173 variables, and 117 constraints, problems are : Problem set: 0 solved, 1 unsolved in 250 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 87/87 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 372ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 27 ms.
Support contains 1 out of 87 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 87/87 places, 86/86 transitions.
Free-agglomeration rule (complex) applied 4 times.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 87 transition count 82
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 8 place count 83 transition count 82
Partial Free-agglomeration rule applied 3 times.
Drop transitions (Partial Free agglomeration) removed 3 transitions
Iterating global reduction 1 with 3 rules applied. Total rules applied 11 place count 83 transition count 82
Applied a total of 11 rules in 17 ms. Remains 83 /87 variables (removed 4) and now considering 82/86 (removed 4) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 83/87 places, 82/86 transitions.
RANDOM walk for 40000 steps (5702 resets) in 99 ms. (400 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40000 steps (3620 resets) in 67 ms. (588 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1250218 steps, run timeout after 3001 ms. (steps per millisecond=416 ) properties seen :0 out of 1
Probabilistic random walk after 1250218 steps, saw 625104 distinct states, run finished after 3003 ms. (steps per millisecond=416 ) properties seen :0
// Phase 1: matrix 82 rows 83 cols
[2024-05-22 19:36:42] [INFO ] Computed 14 invariants in 3 ms
[2024-05-22 19:36:42] [INFO ] State equation strengthened by 14 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 41/42 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/42 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 21/63 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/63 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 74/137 variables, 63/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/137 variables, 10/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/137 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 25/162 variables, 17/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/162 variables, 2/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/162 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/162 variables, 4/107 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/162 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 1/163 variables, 1/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/163 variables, 1/109 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/163 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 2/165 variables, 2/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/165 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/165 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 165/165 variables, and 111 constraints, problems are : Problem set: 0 solved, 1 unsolved in 105 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 83/83 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 41/42 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/42 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 21/63 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/63 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 74/137 variables, 63/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/137 variables, 10/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/137 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/137 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 25/162 variables, 17/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/162 variables, 2/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/162 variables, 1/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/162 variables, 4/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/162 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 1/163 variables, 1/109 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/163 variables, 1/110 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/163 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/165 variables, 2/112 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:36:42] [INFO ] Deduced a trap composed of 11 places in 27 ms of which 1 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/165 variables, 1/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/165 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/165 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 165/165 variables, and 113 constraints, problems are : Problem set: 0 solved, 1 unsolved in 130 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 83/83 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 242ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 27 ms.
Support contains 1 out of 83 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 83/83 places, 82/82 transitions.
Applied a total of 0 rules in 3 ms. Remains 83 /83 variables (removed 0) and now considering 82/82 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 83/83 places, 82/82 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 83/83 places, 82/82 transitions.
Applied a total of 0 rules in 3 ms. Remains 83 /83 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2024-05-22 19:36:42] [INFO ] Invariant cache hit.
[2024-05-22 19:36:42] [INFO ] Implicit Places using invariants in 66 ms returned []
[2024-05-22 19:36:42] [INFO ] Invariant cache hit.
[2024-05-22 19:36:42] [INFO ] State equation strengthened by 14 read => feed constraints.
[2024-05-22 19:36:42] [INFO ] Implicit Places using invariants and state equation in 178 ms returned [25]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 245 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 82/83 places, 82/82 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 82 transition count 81
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 81 transition count 81
Applied a total of 2 rules in 7 ms. Remains 81 /82 variables (removed 1) and now considering 81/82 (removed 1) transitions.
// Phase 1: matrix 81 rows 81 cols
[2024-05-22 19:36:42] [INFO ] Computed 13 invariants in 1 ms
[2024-05-22 19:36:42] [INFO ] Implicit Places using invariants in 53 ms returned []
[2024-05-22 19:36:42] [INFO ] Invariant cache hit.
[2024-05-22 19:36:42] [INFO ] State equation strengthened by 14 read => feed constraints.
[2024-05-22 19:36:42] [INFO ] Implicit Places using invariants and state equation in 187 ms returned []
Implicit Place search using SMT with State Equation took 242 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 81/83 places, 81/82 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 498 ms. Remains : 81/83 places, 81/82 transitions.
RANDOM walk for 40000 steps (5710 resets) in 71 ms. (555 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40000 steps (3676 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1308393 steps, run timeout after 3001 ms. (steps per millisecond=435 ) properties seen :0 out of 1
Probabilistic random walk after 1308393 steps, saw 654199 distinct states, run finished after 3002 ms. (steps per millisecond=435 ) properties seen :0
[2024-05-22 19:36:46] [INFO ] Invariant cache hit.
[2024-05-22 19:36:46] [INFO ] State equation strengthened by 14 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 40/41 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/41 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 20/61 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/61 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 73/134 variables, 61/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 10/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/134 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 25/159 variables, 17/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/159 variables, 2/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/159 variables, 1/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/159 variables, 4/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/159 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 1/160 variables, 1/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/160 variables, 1/106 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/160 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 2/162 variables, 2/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/162 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/162 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 162/162 variables, and 108 constraints, problems are : Problem set: 0 solved, 1 unsolved in 91 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 81/81 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 40/41 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/41 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 20/61 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:36:46] [INFO ] Deduced a trap composed of 3 places in 31 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/61 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/61 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 73/134 variables, 61/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/134 variables, 10/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/134 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/134 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 25/159 variables, 17/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/159 variables, 2/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/159 variables, 1/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/159 variables, 4/106 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/159 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/160 variables, 1/107 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/160 variables, 1/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/160 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 2/162 variables, 2/110 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:36:46] [INFO ] Deduced a trap composed of 11 places in 26 ms of which 0 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/162 variables, 1/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/162 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/162 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 162/162 variables, and 111 constraints, problems are : Problem set: 0 solved, 1 unsolved in 173 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 81/81 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 285ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 27 ms.
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 81/81 transitions.
Applied a total of 0 rules in 6 ms. Remains 81 /81 variables (removed 0) and now considering 81/81 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 81/81 places, 81/81 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 81/81 transitions.
Applied a total of 0 rules in 9 ms. Remains 81 /81 variables (removed 0) and now considering 81/81 (removed 0) transitions.
[2024-05-22 19:36:46] [INFO ] Invariant cache hit.
[2024-05-22 19:36:46] [INFO ] Implicit Places using invariants in 64 ms returned []
[2024-05-22 19:36:46] [INFO ] Invariant cache hit.
[2024-05-22 19:36:46] [INFO ] State equation strengthened by 14 read => feed constraints.
[2024-05-22 19:36:46] [INFO ] Implicit Places using invariants and state equation in 167 ms returned []
Implicit Place search using SMT with State Equation took 242 ms to find 0 implicit places.
[2024-05-22 19:36:46] [INFO ] Redundant transitions in 1 ms returned []
Running 80 sub problems to find dead transitions.
[2024-05-22 19:36:46] [INFO ] Invariant cache hit.
[2024-05-22 19:36:46] [INFO ] State equation strengthened by 14 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/80 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 3 (OVERLAPS) 81/161 variables, 80/93 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/161 variables, 14/107 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/161 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 80 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 1/162 variables, 1/108 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/162 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 8 (OVERLAPS) 0/162 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 80 unsolved
No progress, stopping.
After SMT solving in domain Real declared 162/162 variables, and 108 constraints, problems are : Problem set: 0 solved, 80 unsolved in 1518 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 81/81 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 80/80 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 80 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/80 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 3 (OVERLAPS) 81/161 variables, 80/93 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/161 variables, 14/107 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/161 variables, 77/184 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/161 variables, 0/184 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 7 (OVERLAPS) 1/162 variables, 1/185 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/162 variables, 3/188 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/162 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 80 unsolved
[2024-05-22 19:36:51] [INFO ] Deduced a trap composed of 7 places in 41 ms of which 9 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/162 variables, 1/189 constraints. Problems are: Problem set: 0 solved, 80 unsolved
[2024-05-22 19:36:52] [INFO ] Deduced a trap composed of 10 places in 22 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/162 variables, 1/190 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/162 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 13 (OVERLAPS) 0/162 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 80 unsolved
No progress, stopping.
After SMT solving in domain Int declared 162/162 variables, and 190 constraints, problems are : Problem set: 0 solved, 80 unsolved in 6164 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 81/81 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 80/80 constraints, Known Traps: 2/2 constraints]
After SMT, in 7716ms problems are : Problem set: 0 solved, 80 unsolved
Search for dead transitions found 0 dead transitions in 7719ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7985 ms. Remains : 81/81 places, 81/81 transitions.
Attempting over-approximation, by ignoring read arcs.
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 6 Pre rules applied. Total rules applied 0 place count 81 transition count 75
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 75 transition count 75
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 15 place count 72 transition count 72
Iterating global reduction 0 with 3 rules applied. Total rules applied 18 place count 72 transition count 72
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 20 place count 71 transition count 71
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 0 with 2 rules applied. Total rules applied 22 place count 71 transition count 69
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 24 place count 69 transition count 69
Applied a total of 24 rules in 15 ms. Remains 69 /81 variables (removed 12) and now considering 69/81 (removed 12) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 69 rows 69 cols
[2024-05-22 19:36:54] [INFO ] Computed 13 invariants in 1 ms
[2024-05-22 19:36:54] [INFO ] [Real]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-05-22 19:36:54] [INFO ] [Real]Absence check using 2 positive and 11 generalized place invariants in 2 ms returned sat
[2024-05-22 19:36:54] [INFO ] After 22ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-22 19:36:54] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-05-22 19:36:54] [INFO ] After 2ms SMT Verify possible using 1 Read/Feed constraints in real domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-22 19:36:54] [INFO ] After 7ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :1
[2024-05-22 19:36:54] [INFO ] After 60ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 80 ms.
RANDOM walk for 40000 steps (5702 resets) in 47 ms. (833 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (3648 resets) in 28 ms. (1379 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1276488 steps, run timeout after 3001 ms. (steps per millisecond=425 ) properties seen :0 out of 1
Probabilistic random walk after 1276488 steps, saw 638261 distinct states, run finished after 3001 ms. (steps per millisecond=425 ) properties seen :0
// Phase 1: matrix 86 rows 87 cols
[2024-05-22 19:36:57] [INFO ] Computed 14 invariants in 3 ms
[2024-05-22 19:36:57] [INFO ] State equation strengthened by 12 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 43/44 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/44 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 21/65 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:36:57] [INFO ] Deduced a trap composed of 3 places in 34 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/65 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 76/141 variables, 65/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/141 variables, 10/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/141 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 26/167 variables, 17/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/167 variables, 2/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/167 variables, 1/106 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/167 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 2/169 variables, 2/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/169 variables, 2/110 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/169 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/173 variables, 3/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/173 variables, 1/114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/173 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/173 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 173/173 variables, and 114 constraints, problems are : Problem set: 0 solved, 1 unsolved in 135 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 87/87 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 43/44 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/44 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 21/65 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/65 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 76/141 variables, 65/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/141 variables, 10/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/141 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 26/167 variables, 17/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/167 variables, 2/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/167 variables, 1/106 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/167 variables, 1/107 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/167 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 2/169 variables, 2/109 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/169 variables, 2/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/169 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 4/173 variables, 3/114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/173 variables, 1/115 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/173 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/173 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 173/173 variables, and 115 constraints, problems are : Problem set: 0 solved, 1 unsolved in 90 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 87/87 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 240ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 24 ms.
Support contains 1 out of 87 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 87/87 places, 86/86 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 87 transition count 85
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 86 transition count 85
Partial Free-agglomeration rule applied 4 times.
Drop transitions (Partial Free agglomeration) removed 4 transitions
Iterating global reduction 1 with 4 rules applied. Total rules applied 6 place count 86 transition count 85
Applied a total of 6 rules in 12 ms. Remains 86 /87 variables (removed 1) and now considering 85/86 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 86/87 places, 85/86 transitions.
RANDOM walk for 40000 steps (5655 resets) in 65 ms. (606 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (3644 resets) in 28 ms. (1379 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1310149 steps, run timeout after 3001 ms. (steps per millisecond=436 ) properties seen :0 out of 1
Probabilistic random walk after 1310149 steps, saw 655080 distinct states, run finished after 3001 ms. (steps per millisecond=436 ) properties seen :0
// Phase 1: matrix 85 rows 86 cols
[2024-05-22 19:37:00] [INFO ] Computed 14 invariants in 5 ms
[2024-05-22 19:37:00] [INFO ] State equation strengthened by 14 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 42/43 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/43 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 21/64 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:37:00] [INFO ] Deduced a trap composed of 3 places in 37 ms of which 0 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/64 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 75/139 variables, 64/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/139 variables, 10/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/139 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 28/167 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/167 variables, 2/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/167 variables, 1/106 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/167 variables, 4/110 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/167 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 1/168 variables, 1/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/168 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/168 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 3/171 variables, 3/115 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/171 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/171 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 171/171 variables, and 115 constraints, problems are : Problem set: 0 solved, 1 unsolved in 150 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 86/86 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 42/43 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/43 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 21/64 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/64 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 75/139 variables, 64/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/139 variables, 10/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/139 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 28/167 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/167 variables, 2/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/167 variables, 1/106 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/167 variables, 4/110 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/167 variables, 1/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:37:01] [INFO ] Deduced a trap composed of 8 places in 43 ms of which 0 ms to minimize.
[2024-05-22 19:37:01] [INFO ] Deduced a trap composed of 12 places in 23 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/167 variables, 2/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/167 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 1/168 variables, 1/114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/168 variables, 1/115 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:37:01] [INFO ] Deduced a trap composed of 14 places in 28 ms of which 1 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/168 variables, 1/116 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/168 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 3/171 variables, 3/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:37:01] [INFO ] Deduced a trap composed of 11 places in 23 ms of which 2 ms to minimize.
At refinement iteration 21 (INCLUDED_ONLY) 0/171 variables, 1/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/171 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/171 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 171/171 variables, and 120 constraints, problems are : Problem set: 0 solved, 1 unsolved in 260 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 86/86 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 5/5 constraints]
After SMT, in 432ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 32 ms.
Support contains 1 out of 86 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 86/86 places, 85/85 transitions.
Applied a total of 0 rules in 2 ms. Remains 86 /86 variables (removed 0) and now considering 85/85 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 86/86 places, 85/85 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 86/86 places, 85/85 transitions.
Applied a total of 0 rules in 2 ms. Remains 86 /86 variables (removed 0) and now considering 85/85 (removed 0) transitions.
[2024-05-22 19:37:01] [INFO ] Invariant cache hit.
[2024-05-22 19:37:01] [INFO ] Implicit Places using invariants in 94 ms returned []
[2024-05-22 19:37:01] [INFO ] Invariant cache hit.
[2024-05-22 19:37:01] [INFO ] State equation strengthened by 14 read => feed constraints.
[2024-05-22 19:37:01] [INFO ] Implicit Places using invariants and state equation in 153 ms returned [25]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 250 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 85/86 places, 85/85 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 85 transition count 84
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 84 transition count 84
Applied a total of 2 rules in 7 ms. Remains 84 /85 variables (removed 1) and now considering 84/85 (removed 1) transitions.
// Phase 1: matrix 84 rows 84 cols
[2024-05-22 19:37:01] [INFO ] Computed 13 invariants in 3 ms
[2024-05-22 19:37:01] [INFO ] Implicit Places using invariants in 59 ms returned []
[2024-05-22 19:37:01] [INFO ] Invariant cache hit.
[2024-05-22 19:37:01] [INFO ] State equation strengthened by 14 read => feed constraints.
[2024-05-22 19:37:01] [INFO ] Implicit Places using invariants and state equation in 131 ms returned []
Implicit Place search using SMT with State Equation took 217 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 84/86 places, 84/85 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 476 ms. Remains : 84/86 places, 84/85 transitions.
RANDOM walk for 40000 steps (5702 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (3651 resets) in 33 ms. (1176 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1256240 steps, run timeout after 3001 ms. (steps per millisecond=418 ) properties seen :0 out of 1
Probabilistic random walk after 1256240 steps, saw 628117 distinct states, run finished after 3002 ms. (steps per millisecond=418 ) properties seen :0
[2024-05-22 19:37:04] [INFO ] Invariant cache hit.
[2024-05-22 19:37:04] [INFO ] State equation strengthened by 14 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 43/44 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/44 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 18/62 variables, 7/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/62 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 74/136 variables, 62/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/136 variables, 10/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/136 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 28/164 variables, 18/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/164 variables, 2/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/164 variables, 1/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/164 variables, 4/106 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/164 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 1/165 variables, 1/107 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/165 variables, 1/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/165 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 3/168 variables, 3/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/168 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/168 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 168/168 variables, and 111 constraints, problems are : Problem set: 0 solved, 1 unsolved in 88 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 84/84 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 43/44 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/44 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 18/62 variables, 7/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:37:04] [INFO ] Deduced a trap composed of 3 places in 36 ms of which 0 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/62 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/62 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 74/136 variables, 62/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/136 variables, 10/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/136 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 28/164 variables, 18/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/164 variables, 2/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/164 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/164 variables, 4/107 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/164 variables, 1/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:37:04] [INFO ] Deduced a trap composed of 12 places in 28 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/164 variables, 1/109 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/164 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 1/165 variables, 1/110 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/165 variables, 1/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/165 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 3/168 variables, 3/114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/168 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/168 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 168/168 variables, and 114 constraints, problems are : Problem set: 0 solved, 1 unsolved in 178 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 84/84 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 275ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 47 ms.
Support contains 1 out of 84 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 84/84 places, 84/84 transitions.
Applied a total of 0 rules in 2 ms. Remains 84 /84 variables (removed 0) and now considering 84/84 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 84/84 places, 84/84 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 84/84 places, 84/84 transitions.
Applied a total of 0 rules in 1 ms. Remains 84 /84 variables (removed 0) and now considering 84/84 (removed 0) transitions.
[2024-05-22 19:37:05] [INFO ] Invariant cache hit.
[2024-05-22 19:37:05] [INFO ] Implicit Places using invariants in 65 ms returned []
[2024-05-22 19:37:05] [INFO ] Invariant cache hit.
[2024-05-22 19:37:05] [INFO ] State equation strengthened by 14 read => feed constraints.
[2024-05-22 19:37:05] [INFO ] Implicit Places using invariants and state equation in 147 ms returned []
Implicit Place search using SMT with State Equation took 216 ms to find 0 implicit places.
[2024-05-22 19:37:05] [INFO ] Redundant transitions in 1 ms returned []
Running 83 sub problems to find dead transitions.
[2024-05-22 19:37:05] [INFO ] Invariant cache hit.
[2024-05-22 19:37:05] [INFO ] State equation strengthened by 14 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/83 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 83 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/83 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 83 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/83 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 83 unsolved
At refinement iteration 3 (OVERLAPS) 84/167 variables, 83/96 constraints. Problems are: Problem set: 0 solved, 83 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/167 variables, 14/110 constraints. Problems are: Problem set: 0 solved, 83 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/167 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 83 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 1/168 variables, 1/111 constraints. Problems are: Problem set: 0 solved, 83 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/168 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 83 unsolved
At refinement iteration 8 (OVERLAPS) 0/168 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 83 unsolved
No progress, stopping.
After SMT solving in domain Real declared 168/168 variables, and 111 constraints, problems are : Problem set: 0 solved, 83 unsolved in 1657 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 84/84 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 83/83 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 83 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/83 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 83 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/83 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 83 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/83 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 83 unsolved
At refinement iteration 3 (OVERLAPS) 84/167 variables, 83/96 constraints. Problems are: Problem set: 0 solved, 83 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/167 variables, 14/110 constraints. Problems are: Problem set: 0 solved, 83 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/167 variables, 80/190 constraints. Problems are: Problem set: 0 solved, 83 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/167 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 83 unsolved
At refinement iteration 7 (OVERLAPS) 1/168 variables, 1/191 constraints. Problems are: Problem set: 0 solved, 83 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/168 variables, 3/194 constraints. Problems are: Problem set: 0 solved, 83 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/168 variables, 0/194 constraints. Problems are: Problem set: 0 solved, 83 unsolved
At refinement iteration 10 (OVERLAPS) 0/168 variables, 0/194 constraints. Problems are: Problem set: 0 solved, 83 unsolved
No progress, stopping.
After SMT solving in domain Int declared 168/168 variables, and 194 constraints, problems are : Problem set: 0 solved, 83 unsolved in 4405 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 84/84 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 83/83 constraints, Known Traps: 0/0 constraints]
After SMT, in 6089ms problems are : Problem set: 0 solved, 83 unsolved
Search for dead transitions found 0 dead transitions in 6091ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6317 ms. Remains : 84/84 places, 84/84 transitions.
Attempting over-approximation, by ignoring read arcs.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 84 transition count 83
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 83 transition count 83
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 6 Pre rules applied. Total rules applied 2 place count 83 transition count 77
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 12 rules applied. Total rules applied 14 place count 77 transition count 77
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 17 place count 74 transition count 74
Iterating global reduction 2 with 3 rules applied. Total rules applied 20 place count 74 transition count 74
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 22 place count 73 transition count 73
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 2 with 1 rules applied. Total rules applied 23 place count 73 transition count 72
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 24 place count 72 transition count 72
Applied a total of 24 rules in 12 ms. Remains 72 /84 variables (removed 12) and now considering 72/84 (removed 12) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 72 rows 72 cols
[2024-05-22 19:37:11] [INFO ] Computed 13 invariants in 4 ms
[2024-05-22 19:37:11] [INFO ] [Real]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-05-22 19:37:11] [INFO ] [Real]Absence check using 2 positive and 11 generalized place invariants in 2 ms returned sat
[2024-05-22 19:37:11] [INFO ] After 24ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-22 19:37:11] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-05-22 19:37:11] [INFO ] After 3ms SMT Verify possible using 1 Read/Feed constraints in real domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-22 19:37:11] [INFO ] After 8ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :1
[2024-05-22 19:37:11] [INFO ] After 69ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 90 ms.
RANDOM walk for 40000 steps (5710 resets) in 49 ms. (800 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (3575 resets) in 30 ms. (1290 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1288418 steps, run timeout after 3001 ms. (steps per millisecond=429 ) properties seen :0 out of 1
Probabilistic random walk after 1288418 steps, saw 644220 distinct states, run finished after 3003 ms. (steps per millisecond=429 ) properties seen :0
// Phase 1: matrix 86 rows 87 cols
[2024-05-22 19:37:14] [INFO ] Computed 14 invariants in 5 ms
[2024-05-22 19:37:14] [INFO ] State equation strengthened by 12 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 19/65 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:37:14] [INFO ] Deduced a trap composed of 3 places in 34 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/65 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 76/141 variables, 65/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/141 variables, 10/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/141 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 26/167 variables, 17/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/167 variables, 2/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/167 variables, 1/106 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/167 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 2/169 variables, 2/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/169 variables, 2/110 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/169 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/173 variables, 3/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/173 variables, 1/114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/173 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/173 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 173/173 variables, and 114 constraints, problems are : Problem set: 0 solved, 1 unsolved in 148 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 87/87 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 19/65 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/65 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 76/141 variables, 65/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/141 variables, 10/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/141 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 26/167 variables, 17/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/167 variables, 2/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/167 variables, 1/106 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/167 variables, 1/107 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:37:14] [INFO ] Deduced a trap composed of 4 places in 34 ms of which 0 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/167 variables, 1/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/167 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 2/169 variables, 2/110 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/169 variables, 2/112 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/169 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 4/173 variables, 3/115 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/173 variables, 1/116 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/173 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/173 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 173/173 variables, and 116 constraints, problems are : Problem set: 0 solved, 1 unsolved in 142 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 87/87 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 300ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 18 ms.
Support contains 1 out of 87 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 87/87 places, 86/86 transitions.
Graph (complete) has 319 edges and 87 vertex of which 86 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 86 transition count 85
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 1 with 2 rules applied. Total rules applied 4 place count 86 transition count 83
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 6 place count 84 transition count 83
Partial Free-agglomeration rule applied 3 times.
Drop transitions (Partial Free agglomeration) removed 3 transitions
Iterating global reduction 2 with 3 rules applied. Total rules applied 9 place count 84 transition count 83
Applied a total of 9 rules in 12 ms. Remains 84 /87 variables (removed 3) and now considering 83/86 (removed 3) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 84/87 places, 83/86 transitions.
RANDOM walk for 40000 steps (5748 resets) in 52 ms. (754 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (3623 resets) in 29 ms. (1333 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1365839 steps, run timeout after 3001 ms. (steps per millisecond=455 ) properties seen :0 out of 1
Probabilistic random walk after 1365839 steps, saw 682941 distinct states, run finished after 3002 ms. (steps per millisecond=454 ) properties seen :0
// Phase 1: matrix 83 rows 84 cols
[2024-05-22 19:37:17] [INFO ] Computed 14 invariants in 5 ms
[2024-05-22 19:37:17] [INFO ] State equation strengthened by 14 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 58/59 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:37:17] [INFO ] Deduced a trap composed of 3 places in 36 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/59 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 2/61 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/61 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/79 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:37:18] [INFO ] Deduced a trap composed of 10 places in 38 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/79 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/79 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 83/162 variables, 79/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/162 variables, 14/107 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/162 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 5/167 variables, 5/112 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/167 variables, 2/114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/167 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/167 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 167/167 variables, and 114 constraints, problems are : Problem set: 0 solved, 1 unsolved in 209 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 84/84 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 58/59 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/59 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 2/61 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/61 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/79 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/79 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/79 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 83/162 variables, 79/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/162 variables, 14/107 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/162 variables, 1/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/162 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 5/167 variables, 5/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/167 variables, 2/115 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/167 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/167 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 167/167 variables, and 115 constraints, problems are : Problem set: 0 solved, 1 unsolved in 88 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 84/84 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 307ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 12 ms.
Support contains 1 out of 84 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 84/84 places, 83/83 transitions.
Applied a total of 0 rules in 1 ms. Remains 84 /84 variables (removed 0) and now considering 83/83 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 84/84 places, 83/83 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 84/84 places, 83/83 transitions.
Applied a total of 0 rules in 1 ms. Remains 84 /84 variables (removed 0) and now considering 83/83 (removed 0) transitions.
[2024-05-22 19:37:18] [INFO ] Invariant cache hit.
[2024-05-22 19:37:18] [INFO ] Implicit Places using invariants in 58 ms returned []
[2024-05-22 19:37:18] [INFO ] Invariant cache hit.
[2024-05-22 19:37:18] [INFO ] State equation strengthened by 14 read => feed constraints.
[2024-05-22 19:37:18] [INFO ] Implicit Places using invariants and state equation in 150 ms returned []
Implicit Place search using SMT with State Equation took 211 ms to find 0 implicit places.
[2024-05-22 19:37:18] [INFO ] Redundant transitions in 2 ms returned []
Running 82 sub problems to find dead transitions.
[2024-05-22 19:37:18] [INFO ] Invariant cache hit.
[2024-05-22 19:37:18] [INFO ] State equation strengthened by 14 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/83 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 82 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/83 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 82 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/83 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 82 unsolved
At refinement iteration 3 (OVERLAPS) 1/84 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 82 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/84 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 82 unsolved
At refinement iteration 5 (OVERLAPS) 83/167 variables, 84/98 constraints. Problems are: Problem set: 0 solved, 82 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/167 variables, 14/112 constraints. Problems are: Problem set: 0 solved, 82 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/167 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 82 unsolved
At refinement iteration 8 (OVERLAPS) 0/167 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 82 unsolved
No progress, stopping.
After SMT solving in domain Real declared 167/167 variables, and 112 constraints, problems are : Problem set: 0 solved, 82 unsolved in 1331 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 84/84 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 82/82 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 82 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/83 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 82 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/83 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 82 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/83 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 82 unsolved
At refinement iteration 3 (OVERLAPS) 1/84 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 82 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/84 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 82 unsolved
At refinement iteration 5 (OVERLAPS) 83/167 variables, 84/98 constraints. Problems are: Problem set: 0 solved, 82 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/167 variables, 14/112 constraints. Problems are: Problem set: 0 solved, 82 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/167 variables, 82/194 constraints. Problems are: Problem set: 0 solved, 82 unsolved
[2024-05-22 19:37:20] [INFO ] Deduced a trap composed of 32 places in 50 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/167 variables, 1/195 constraints. Problems are: Problem set: 0 solved, 82 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/167 variables, 0/195 constraints. Problems are: Problem set: 0 solved, 82 unsolved
[2024-05-22 19:37:22] [INFO ] Deduced a trap composed of 8 places in 31 ms of which 0 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/167 variables, 1/196 constraints. Problems are: Problem set: 0 solved, 82 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/167 variables, 0/196 constraints. Problems are: Problem set: 0 solved, 82 unsolved
At refinement iteration 12 (OVERLAPS) 0/167 variables, 0/196 constraints. Problems are: Problem set: 0 solved, 82 unsolved
No progress, stopping.
After SMT solving in domain Int declared 167/167 variables, and 196 constraints, problems are : Problem set: 0 solved, 82 unsolved in 4717 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 84/84 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 82/82 constraints, Known Traps: 2/2 constraints]
After SMT, in 6070ms problems are : Problem set: 0 solved, 82 unsolved
Search for dead transitions found 0 dead transitions in 6071ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6289 ms. Remains : 84/84 places, 83/83 transitions.
Attempting over-approximation, by ignoring read arcs.
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 6 Pre rules applied. Total rules applied 0 place count 84 transition count 77
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 78 transition count 77
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 14 place count 76 transition count 75
Iterating global reduction 0 with 2 rules applied. Total rules applied 16 place count 76 transition count 75
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 18 place count 75 transition count 74
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 19 place count 75 transition count 73
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 20 place count 74 transition count 73
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 21 place count 74 transition count 73
Applied a total of 21 rules in 6 ms. Remains 74 /84 variables (removed 10) and now considering 73/83 (removed 10) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 73 rows 74 cols
[2024-05-22 19:37:24] [INFO ] Computed 14 invariants in 1 ms
[2024-05-22 19:37:24] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2024-05-22 19:37:24] [INFO ] [Real]Absence check using 4 positive and 10 generalized place invariants in 2 ms returned sat
[2024-05-22 19:37:24] [INFO ] After 25ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-22 19:37:24] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-05-22 19:37:24] [INFO ] After 4ms SMT Verify possible using 1 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-22 19:37:24] [INFO ] After 58ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-22 19:37:24] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2024-05-22 19:37:24] [INFO ] [Nat]Absence check using 4 positive and 10 generalized place invariants in 2 ms returned sat
[2024-05-22 19:37:24] [INFO ] After 27ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-22 19:37:24] [INFO ] After 4ms SMT Verify possible using 1 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-22 19:37:24] [INFO ] After 10ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-22 19:37:24] [INFO ] After 70ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 141 ms.
RANDOM walk for 40000 steps (5688 resets) in 47 ms. (833 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (3554 resets) in 29 ms. (1333 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1306713 steps, run timeout after 3001 ms. (steps per millisecond=435 ) properties seen :0 out of 1
Probabilistic random walk after 1306713 steps, saw 653368 distinct states, run finished after 3002 ms. (steps per millisecond=435 ) properties seen :0
// Phase 1: matrix 86 rows 87 cols
[2024-05-22 19:37:27] [INFO ] Computed 14 invariants in 4 ms
[2024-05-22 19:37:27] [INFO ] State equation strengthened by 12 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 39/40 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 25/65 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:37:27] [INFO ] Deduced a trap composed of 3 places in 31 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/65 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 76/141 variables, 65/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/141 variables, 10/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/141 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 26/167 variables, 17/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/167 variables, 2/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/167 variables, 1/106 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/167 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 2/169 variables, 2/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/169 variables, 2/110 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/169 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/173 variables, 3/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/173 variables, 1/114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/173 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/173 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 173/173 variables, and 114 constraints, problems are : Problem set: 0 solved, 1 unsolved in 149 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 87/87 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 39/40 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 25/65 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/65 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 76/141 variables, 65/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/141 variables, 10/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/141 variables, 1/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/141 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 26/167 variables, 17/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/167 variables, 2/106 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/167 variables, 1/107 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:37:27] [INFO ] Deduced a trap composed of 6 places in 46 ms of which 1 ms to minimize.
[2024-05-22 19:37:27] [INFO ] Deduced a trap composed of 4 places in 28 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/167 variables, 2/109 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/167 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 2/169 variables, 2/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/169 variables, 2/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/169 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 4/173 variables, 3/116 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/173 variables, 1/117 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/173 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/173 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 173/173 variables, and 117 constraints, problems are : Problem set: 0 solved, 1 unsolved in 195 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 87/87 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 353ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 24 ms.
Support contains 1 out of 87 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 87/87 places, 86/86 transitions.
Graph (complete) has 319 edges and 87 vertex of which 86 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 86 transition count 85
Free-agglomeration rule (complex) applied 3 times.
Iterating global reduction 1 with 3 rules applied. Total rules applied 5 place count 86 transition count 82
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 8 place count 83 transition count 82
Partial Free-agglomeration rule applied 3 times.
Drop transitions (Partial Free agglomeration) removed 3 transitions
Iterating global reduction 2 with 3 rules applied. Total rules applied 11 place count 83 transition count 82
Applied a total of 11 rules in 9 ms. Remains 83 /87 variables (removed 4) and now considering 82/86 (removed 4) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 83/87 places, 82/86 transitions.
RANDOM walk for 40000 steps (5657 resets) in 49 ms. (800 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (3635 resets) in 30 ms. (1290 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1287811 steps, run timeout after 3001 ms. (steps per millisecond=429 ) properties seen :0 out of 1
Probabilistic random walk after 1287811 steps, saw 643911 distinct states, run finished after 3002 ms. (steps per millisecond=428 ) properties seen :0
// Phase 1: matrix 82 rows 83 cols
[2024-05-22 19:37:31] [INFO ] Computed 14 invariants in 4 ms
[2024-05-22 19:37:31] [INFO ] State equation strengthened by 14 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 38/60 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:37:31] [INFO ] Deduced a trap composed of 42 places in 49 ms of which 0 ms to minimize.
[2024-05-22 19:37:31] [INFO ] Deduced a trap composed of 42 places in 72 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/60 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/78 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:37:31] [INFO ] Deduced a trap composed of 4 places in 72 ms of which 1 ms to minimize.
[2024-05-22 19:37:31] [INFO ] Deduced a trap composed of 7 places in 51 ms of which 1 ms to minimize.
[2024-05-22 19:37:31] [INFO ] Deduced a trap composed of 6 places in 46 ms of which 1 ms to minimize.
[2024-05-22 19:37:31] [INFO ] Deduced a trap composed of 10 places in 45 ms of which 2 ms to minimize.
[2024-05-22 19:37:31] [INFO ] Deduced a trap composed of 7 places in 45 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/78 variables, 5/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/78 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 82/160 variables, 78/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/160 variables, 14/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/160 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 5/165 variables, 5/116 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/165 variables, 2/118 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/165 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/165 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 165/165 variables, and 118 constraints, problems are : Problem set: 0 solved, 1 unsolved in 498 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 83/83 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 7/7 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 38/60 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/60 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:37:31] [INFO ] Deduced a trap composed of 41 places in 36 ms of which 1 ms to minimize.
[2024-05-22 19:37:31] [INFO ] Deduced a trap composed of 39 places in 30 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/60 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 18/78 variables, 6/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/78 variables, 5/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/78 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 82/160 variables, 78/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/160 variables, 14/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/160 variables, 1/114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/160 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 5/165 variables, 5/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/165 variables, 2/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/165 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/165 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 165/165 variables, and 121 constraints, problems are : Problem set: 0 solved, 1 unsolved in 168 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 83/83 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 9/9 constraints]
After SMT, in 675ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 21 ms.
Support contains 1 out of 83 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 83/83 places, 82/82 transitions.
Applied a total of 0 rules in 1 ms. Remains 83 /83 variables (removed 0) and now considering 82/82 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 83/83 places, 82/82 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 83/83 places, 82/82 transitions.
Applied a total of 0 rules in 1 ms. Remains 83 /83 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2024-05-22 19:37:31] [INFO ] Invariant cache hit.
[2024-05-22 19:37:31] [INFO ] Implicit Places using invariants in 59 ms returned [25]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 61 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 82/83 places, 82/82 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 82 transition count 81
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 81 transition count 81
Applied a total of 2 rules in 3 ms. Remains 81 /82 variables (removed 1) and now considering 81/82 (removed 1) transitions.
// Phase 1: matrix 81 rows 81 cols
[2024-05-22 19:37:31] [INFO ] Computed 13 invariants in 1 ms
[2024-05-22 19:37:31] [INFO ] Implicit Places using invariants in 55 ms returned []
[2024-05-22 19:37:31] [INFO ] Invariant cache hit.
[2024-05-22 19:37:31] [INFO ] State equation strengthened by 14 read => feed constraints.
[2024-05-22 19:37:32] [INFO ] Implicit Places using invariants and state equation in 158 ms returned []
Implicit Place search using SMT with State Equation took 214 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 81/83 places, 81/82 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 279 ms. Remains : 81/83 places, 81/82 transitions.
RANDOM walk for 40000 steps (5688 resets) in 51 ms. (769 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (3682 resets) in 29 ms. (1333 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1341965 steps, run timeout after 3001 ms. (steps per millisecond=447 ) properties seen :0 out of 1
Probabilistic random walk after 1341965 steps, saw 670989 distinct states, run finished after 3001 ms. (steps per millisecond=447 ) properties seen :0
[2024-05-22 19:37:35] [INFO ] Invariant cache hit.
[2024-05-22 19:37:35] [INFO ] State equation strengthened by 14 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 36/58 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/76 variables, 6/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:37:35] [INFO ] Deduced a trap composed of 4 places in 44 ms of which 1 ms to minimize.
[2024-05-22 19:37:35] [INFO ] Deduced a trap composed of 9 places in 39 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/76 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/76 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 81/157 variables, 76/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/157 variables, 14/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:37:35] [INFO ] Deduced a trap composed of 33 places in 43 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/157 variables, 1/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/157 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 5/162 variables, 5/109 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/162 variables, 2/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/162 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/162 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 162/162 variables, and 111 constraints, problems are : Problem set: 0 solved, 1 unsolved in 225 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 81/81 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 36/58 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:37:35] [INFO ] Deduced a trap composed of 40 places in 37 ms of which 0 ms to minimize.
[2024-05-22 19:37:35] [INFO ] Deduced a trap composed of 38 places in 39 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/58 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/76 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/76 variables, 3/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:37:35] [INFO ] Deduced a trap composed of 10 places in 40 ms of which 1 ms to minimize.
[2024-05-22 19:37:35] [INFO ] Deduced a trap composed of 6 places in 34 ms of which 0 ms to minimize.
[2024-05-22 19:37:35] [INFO ] Deduced a trap composed of 25 places in 32 ms of which 1 ms to minimize.
[2024-05-22 19:37:35] [INFO ] Deduced a trap composed of 10 places in 35 ms of which 0 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/76 variables, 4/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/76 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 81/157 variables, 76/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/157 variables, 14/110 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/157 variables, 1/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/157 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 5/162 variables, 5/116 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/162 variables, 2/118 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/162 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/162 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 162/162 variables, and 118 constraints, problems are : Problem set: 0 solved, 1 unsolved in 329 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 81/81 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 9/9 constraints]
After SMT, in 560ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 20 ms.
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 81/81 transitions.
Applied a total of 0 rules in 1 ms. Remains 81 /81 variables (removed 0) and now considering 81/81 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 81/81 places, 81/81 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 81/81 transitions.
Applied a total of 0 rules in 2 ms. Remains 81 /81 variables (removed 0) and now considering 81/81 (removed 0) transitions.
[2024-05-22 19:37:35] [INFO ] Invariant cache hit.
[2024-05-22 19:37:35] [INFO ] Implicit Places using invariants in 62 ms returned []
[2024-05-22 19:37:35] [INFO ] Invariant cache hit.
[2024-05-22 19:37:35] [INFO ] State equation strengthened by 14 read => feed constraints.
[2024-05-22 19:37:35] [INFO ] Implicit Places using invariants and state equation in 174 ms returned []
Implicit Place search using SMT with State Equation took 237 ms to find 0 implicit places.
[2024-05-22 19:37:35] [INFO ] Redundant transitions in 2 ms returned []
Running 80 sub problems to find dead transitions.
[2024-05-22 19:37:35] [INFO ] Invariant cache hit.
[2024-05-22 19:37:35] [INFO ] State equation strengthened by 14 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/80 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 3 (OVERLAPS) 1/81 variables, 5/13 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/81 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 5 (OVERLAPS) 81/162 variables, 81/94 constraints. Problems are: Problem set: 0 solved, 80 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/162 variables, 14/108 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/162 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 8 (OVERLAPS) 0/162 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 80 unsolved
No progress, stopping.
After SMT solving in domain Real declared 162/162 variables, and 108 constraints, problems are : Problem set: 0 solved, 80 unsolved in 1287 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 81/81 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 80/80 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 80 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/80 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 3 (OVERLAPS) 1/81 variables, 5/13 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/81 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 5 (OVERLAPS) 81/162 variables, 81/94 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/162 variables, 14/108 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/162 variables, 80/188 constraints. Problems are: Problem set: 0 solved, 80 unsolved
[2024-05-22 19:37:37] [INFO ] Deduced a trap composed of 30 places in 40 ms of which 1 ms to minimize.
[2024-05-22 19:37:38] [INFO ] Deduced a trap composed of 8 places in 34 ms of which 1 ms to minimize.
[2024-05-22 19:37:38] [INFO ] Deduced a trap composed of 35 places in 39 ms of which 0 ms to minimize.
[2024-05-22 19:37:38] [INFO ] Deduced a trap composed of 34 places in 34 ms of which 0 ms to minimize.
[2024-05-22 19:37:38] [INFO ] Deduced a trap composed of 35 places in 39 ms of which 1 ms to minimize.
[2024-05-22 19:37:38] [INFO ] Deduced a trap composed of 36 places in 34 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/162 variables, 6/194 constraints. Problems are: Problem set: 0 solved, 80 unsolved
[2024-05-22 19:37:39] [INFO ] Deduced a trap composed of 35 places in 39 ms of which 1 ms to minimize.
[2024-05-22 19:37:39] [INFO ] Deduced a trap composed of 35 places in 30 ms of which 1 ms to minimize.
[2024-05-22 19:37:39] [INFO ] Deduced a trap composed of 3 places in 33 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/162 variables, 3/197 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/162 variables, 0/197 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 11 (OVERLAPS) 0/162 variables, 0/197 constraints. Problems are: Problem set: 0 solved, 80 unsolved
No progress, stopping.
After SMT solving in domain Int declared 162/162 variables, and 197 constraints, problems are : Problem set: 0 solved, 80 unsolved in 3654 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 81/81 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 80/80 constraints, Known Traps: 9/9 constraints]
After SMT, in 4965ms problems are : Problem set: 0 solved, 80 unsolved
Search for dead transitions found 0 dead transitions in 4966ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5214 ms. Remains : 81/81 places, 81/81 transitions.
Attempting over-approximation, by ignoring read arcs.
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 6 Pre rules applied. Total rules applied 0 place count 81 transition count 75
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 75 transition count 75
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 15 place count 72 transition count 72
Iterating global reduction 0 with 3 rules applied. Total rules applied 18 place count 72 transition count 72
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 20 place count 71 transition count 71
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 0 with 2 rules applied. Total rules applied 22 place count 71 transition count 69
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 24 place count 69 transition count 69
Applied a total of 24 rules in 13 ms. Remains 69 /81 variables (removed 12) and now considering 69/81 (removed 12) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 69 rows 69 cols
[2024-05-22 19:37:40] [INFO ] Computed 13 invariants in 2 ms
[2024-05-22 19:37:40] [INFO ] [Real]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-22 19:37:40] [INFO ] [Real]Absence check using 3 positive and 10 generalized place invariants in 2 ms returned sat
[2024-05-22 19:37:40] [INFO ] After 22ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-22 19:37:40] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-05-22 19:37:40] [INFO ] After 3ms SMT Verify possible using 1 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-22 19:37:40] [INFO ] After 60ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-22 19:37:40] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-22 19:37:40] [INFO ] [Nat]Absence check using 3 positive and 10 generalized place invariants in 2 ms returned sat
[2024-05-22 19:37:40] [INFO ] After 22ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-22 19:37:40] [INFO ] After 3ms SMT Verify possible using 1 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-22 19:37:40] [INFO ] After 8ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-22 19:37:40] [INFO ] After 63ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 141 ms.
RANDOM walk for 40000 steps (5718 resets) in 49 ms. (800 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (3638 resets) in 27 ms. (1428 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1303915 steps, run timeout after 3001 ms. (steps per millisecond=434 ) properties seen :0 out of 1
Probabilistic random walk after 1303915 steps, saw 651967 distinct states, run finished after 3002 ms. (steps per millisecond=434 ) properties seen :0
// Phase 1: matrix 86 rows 87 cols
[2024-05-22 19:37:44] [INFO ] Computed 14 invariants in 4 ms
[2024-05-22 19:37:44] [INFO ] State equation strengthened by 12 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 13/21 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/21 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 38/59 variables, 16/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/59 variables, 4/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/59 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 41/100 variables, 4/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/100 variables, 3/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/100 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 14/114 variables, 6/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/114 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 52/166 variables, 54/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/166 variables, 8/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/166 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 7/173 variables, 6/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/173 variables, 2/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/173 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/173 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 173/173 variables, and 113 constraints, problems are : Problem set: 0 solved, 1 unsolved in 85 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 87/87 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 13/21 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/21 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 38/59 variables, 16/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/59 variables, 4/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/59 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/59 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 41/100 variables, 4/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/100 variables, 3/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/100 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/114 variables, 6/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/114 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 52/166 variables, 54/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/166 variables, 8/106 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/166 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 7/173 variables, 6/112 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/173 variables, 2/114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/173 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/173 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 173/173 variables, and 114 constraints, problems are : Problem set: 0 solved, 1 unsolved in 80 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 87/87 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 176ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 16 ms.
Support contains 1 out of 87 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 87/87 places, 86/86 transitions.
Graph (complete) has 319 edges and 87 vertex of which 86 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 86 transition count 85
Free-agglomeration rule (complex) applied 4 times.
Iterating global reduction 1 with 4 rules applied. Total rules applied 6 place count 86 transition count 81
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 10 place count 82 transition count 81
Partial Free-agglomeration rule applied 4 times.
Drop transitions (Partial Free agglomeration) removed 4 transitions
Iterating global reduction 2 with 4 rules applied. Total rules applied 14 place count 82 transition count 81
Applied a total of 14 rules in 5 ms. Remains 82 /87 variables (removed 5) and now considering 81/86 (removed 5) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 82/87 places, 81/86 transitions.
RANDOM walk for 40000 steps (5754 resets) in 48 ms. (816 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (3669 resets) in 35 ms. (1111 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1363857 steps, run timeout after 3001 ms. (steps per millisecond=454 ) properties seen :0 out of 1
Probabilistic random walk after 1363857 steps, saw 681950 distinct states, run finished after 3001 ms. (steps per millisecond=454 ) properties seen :0
// Phase 1: matrix 81 rows 82 cols
[2024-05-22 19:37:47] [INFO ] Computed 14 invariants in 2 ms
[2024-05-22 19:37:47] [INFO ] State equation strengthened by 14 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 57/63 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:37:47] [INFO ] Deduced a trap composed of 39 places in 38 ms of which 1 ms to minimize.
[2024-05-22 19:37:47] [INFO ] Deduced a trap composed of 14 places in 35 ms of which 1 ms to minimize.
[2024-05-22 19:37:47] [INFO ] Deduced a trap composed of 37 places in 29 ms of which 1 ms to minimize.
[2024-05-22 19:37:47] [INFO ] Deduced a trap composed of 43 places in 30 ms of which 1 ms to minimize.
[2024-05-22 19:37:47] [INFO ] Deduced a trap composed of 18 places in 28 ms of which 1 ms to minimize.
[2024-05-22 19:37:47] [INFO ] Deduced a trap composed of 41 places in 30 ms of which 1 ms to minimize.
[2024-05-22 19:37:47] [INFO ] Deduced a trap composed of 43 places in 29 ms of which 1 ms to minimize.
[2024-05-22 19:37:47] [INFO ] Deduced a trap composed of 38 places in 29 ms of which 1 ms to minimize.
[2024-05-22 19:37:47] [INFO ] Deduced a trap composed of 40 places in 31 ms of which 1 ms to minimize.
[2024-05-22 19:37:47] [INFO ] Deduced a trap composed of 40 places in 34 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/63 variables, 10/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/63 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 14/77 variables, 5/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:37:47] [INFO ] Deduced a trap composed of 25 places in 43 ms of which 1 ms to minimize.
[2024-05-22 19:37:47] [INFO ] Deduced a trap composed of 17 places in 36 ms of which 1 ms to minimize.
[2024-05-22 19:37:47] [INFO ] Deduced a trap composed of 6 places in 34 ms of which 1 ms to minimize.
[2024-05-22 19:37:47] [INFO ] Deduced a trap composed of 32 places in 36 ms of which 1 ms to minimize.
[2024-05-22 19:37:47] [INFO ] Deduced a trap composed of 10 places in 33 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/77 variables, 5/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/77 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 81/158 variables, 77/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/158 variables, 14/118 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/158 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 5/163 variables, 5/123 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/163 variables, 2/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/163 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/163 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 163/163 variables, and 125 constraints, problems are : Problem set: 0 solved, 1 unsolved in 632 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 82/82 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 15/15 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 57/63 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/63 variables, 10/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:37:47] [INFO ] Deduced a trap composed of 3 places in 34 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/63 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/63 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 14/77 variables, 5/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/77 variables, 5/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/77 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 81/158 variables, 77/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/158 variables, 14/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/158 variables, 1/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/158 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 5/163 variables, 5/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/163 variables, 2/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/163 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/163 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 163/163 variables, and 127 constraints, problems are : Problem set: 0 solved, 1 unsolved in 124 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 82/82 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 16/16 constraints]
After SMT, in 777ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 14 ms.
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 81/81 transitions.
Applied a total of 0 rules in 2 ms. Remains 82 /82 variables (removed 0) and now considering 81/81 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 82/82 places, 81/81 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 81/81 transitions.
Applied a total of 0 rules in 1 ms. Remains 82 /82 variables (removed 0) and now considering 81/81 (removed 0) transitions.
[2024-05-22 19:37:48] [INFO ] Invariant cache hit.
[2024-05-22 19:37:48] [INFO ] Implicit Places using invariants in 61 ms returned [25]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 62 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 81/82 places, 81/81 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 81 transition count 80
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 80 transition count 80
Applied a total of 2 rules in 3 ms. Remains 80 /81 variables (removed 1) and now considering 80/81 (removed 1) transitions.
// Phase 1: matrix 80 rows 80 cols
[2024-05-22 19:37:48] [INFO ] Computed 13 invariants in 1 ms
[2024-05-22 19:37:48] [INFO ] Implicit Places using invariants in 58 ms returned []
[2024-05-22 19:37:48] [INFO ] Invariant cache hit.
[2024-05-22 19:37:48] [INFO ] State equation strengthened by 14 read => feed constraints.
[2024-05-22 19:37:48] [INFO ] Implicit Places using invariants and state equation in 172 ms returned []
Implicit Place search using SMT with State Equation took 232 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 80/82 places, 80/81 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 298 ms. Remains : 80/82 places, 80/81 transitions.
RANDOM walk for 40000 steps (5645 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (3661 resets) in 29 ms. (1333 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1319171 steps, run timeout after 3001 ms. (steps per millisecond=439 ) properties seen :0 out of 1
Probabilistic random walk after 1319171 steps, saw 659593 distinct states, run finished after 3002 ms. (steps per millisecond=439 ) properties seen :0
[2024-05-22 19:37:51] [INFO ] Invariant cache hit.
[2024-05-22 19:37:51] [INFO ] State equation strengthened by 14 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 55/61 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:37:51] [INFO ] Deduced a trap composed of 18 places in 39 ms of which 0 ms to minimize.
[2024-05-22 19:37:51] [INFO ] Deduced a trap composed of 14 places in 30 ms of which 1 ms to minimize.
[2024-05-22 19:37:51] [INFO ] Deduced a trap composed of 36 places in 31 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/61 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/61 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 14/75 variables, 5/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:37:51] [INFO ] Deduced a trap composed of 4 places in 36 ms of which 1 ms to minimize.
[2024-05-22 19:37:51] [INFO ] Deduced a trap composed of 7 places in 33 ms of which 1 ms to minimize.
[2024-05-22 19:37:51] [INFO ] Deduced a trap composed of 6 places in 30 ms of which 0 ms to minimize.
[2024-05-22 19:37:51] [INFO ] Deduced a trap composed of 7 places in 30 ms of which 1 ms to minimize.
[2024-05-22 19:37:51] [INFO ] Deduced a trap composed of 10 places in 27 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/75 variables, 5/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/75 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 80/155 variables, 75/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/155 variables, 14/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/155 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 5/160 variables, 5/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/160 variables, 2/115 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/160 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/160 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 160/160 variables, and 115 constraints, problems are : Problem set: 0 solved, 1 unsolved in 379 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 80/80 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 8/8 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 55/61 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/61 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:37:51] [INFO ] Deduced a trap composed of 39 places in 36 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/61 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/61 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 14/75 variables, 5/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/75 variables, 5/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/75 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 80/155 variables, 75/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/155 variables, 14/109 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/155 variables, 1/110 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:37:51] [INFO ] Deduced a trap composed of 3 places in 36 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/155 variables, 1/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/155 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 5/160 variables, 5/116 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/160 variables, 2/118 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/160 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/160 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 160/160 variables, and 118 constraints, problems are : Problem set: 0 solved, 1 unsolved in 187 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 80/80 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 10/10 constraints]
After SMT, in 571ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 17 ms.
Support contains 1 out of 80 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 80/80 places, 80/80 transitions.
Applied a total of 0 rules in 1 ms. Remains 80 /80 variables (removed 0) and now considering 80/80 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 80/80 places, 80/80 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 80/80 places, 80/80 transitions.
Applied a total of 0 rules in 1 ms. Remains 80 /80 variables (removed 0) and now considering 80/80 (removed 0) transitions.
[2024-05-22 19:37:51] [INFO ] Invariant cache hit.
[2024-05-22 19:37:52] [INFO ] Implicit Places using invariants in 60 ms returned []
[2024-05-22 19:37:52] [INFO ] Invariant cache hit.
[2024-05-22 19:37:52] [INFO ] State equation strengthened by 14 read => feed constraints.
[2024-05-22 19:37:52] [INFO ] Implicit Places using invariants and state equation in 164 ms returned []
Implicit Place search using SMT with State Equation took 226 ms to find 0 implicit places.
[2024-05-22 19:37:52] [INFO ] Redundant transitions in 2 ms returned []
Running 79 sub problems to find dead transitions.
[2024-05-22 19:37:52] [INFO ] Invariant cache hit.
[2024-05-22 19:37:52] [INFO ] State equation strengthened by 14 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/79 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 3 (OVERLAPS) 1/80 variables, 5/13 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/80 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 80/160 variables, 80/93 constraints. Problems are: Problem set: 0 solved, 79 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 14/107 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 8 (OVERLAPS) 0/160 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Real declared 160/160 variables, and 107 constraints, problems are : Problem set: 0 solved, 79 unsolved in 1282 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 80/80 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 79 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/79 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 3 (OVERLAPS) 1/80 variables, 5/13 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/80 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 80/160 variables, 80/93 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 14/107 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 79/186 constraints. Problems are: Problem set: 0 solved, 79 unsolved
[2024-05-22 19:37:54] [INFO ] Deduced a trap composed of 35 places in 35 ms of which 1 ms to minimize.
[2024-05-22 19:37:54] [INFO ] Deduced a trap composed of 8 places in 35 ms of which 0 ms to minimize.
[2024-05-22 19:37:54] [INFO ] Deduced a trap composed of 31 places in 37 ms of which 1 ms to minimize.
[2024-05-22 19:37:54] [INFO ] Deduced a trap composed of 33 places in 36 ms of which 1 ms to minimize.
[2024-05-22 19:37:54] [INFO ] Deduced a trap composed of 38 places in 39 ms of which 1 ms to minimize.
[2024-05-22 19:37:54] [INFO ] Deduced a trap composed of 40 places in 34 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 6/192 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 10 (OVERLAPS) 0/160 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Int declared 160/160 variables, and 192 constraints, problems are : Problem set: 0 solved, 79 unsolved in 3148 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 80/80 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 6/6 constraints]
After SMT, in 4457ms problems are : Problem set: 0 solved, 79 unsolved
Search for dead transitions found 0 dead transitions in 4459ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4696 ms. Remains : 80/80 places, 80/80 transitions.
Attempting over-approximation, by ignoring read arcs.
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 6 Pre rules applied. Total rules applied 0 place count 80 transition count 74
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 74 transition count 74
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 15 place count 71 transition count 71
Iterating global reduction 0 with 3 rules applied. Total rules applied 18 place count 71 transition count 71
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 20 place count 70 transition count 70
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 0 with 2 rules applied. Total rules applied 22 place count 70 transition count 68
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 24 place count 68 transition count 68
Applied a total of 24 rules in 7 ms. Remains 68 /80 variables (removed 12) and now considering 68/80 (removed 12) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 68 rows 68 cols
[2024-05-22 19:37:56] [INFO ] Computed 13 invariants in 3 ms
[2024-05-22 19:37:56] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 19:37:56] [INFO ] [Real]Absence check using 3 positive and 10 generalized place invariants in 2 ms returned sat
[2024-05-22 19:37:56] [INFO ] After 22ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-22 19:37:56] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-05-22 19:37:56] [INFO ] After 2ms SMT Verify possible using 1 Read/Feed constraints in real domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-22 19:37:56] [INFO ] Deduced a trap composed of 5 places in 34 ms of which 1 ms to minimize.
TRAPS : Iteration 1
[2024-05-22 19:37:56] [INFO ] After 46ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-22 19:37:56] [INFO ] After 101ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-22 19:37:56] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-22 19:37:56] [INFO ] [Nat]Absence check using 3 positive and 10 generalized place invariants in 2 ms returned sat
[2024-05-22 19:37:56] [INFO ] After 22ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-22 19:37:56] [INFO ] After 2ms SMT Verify possible using 1 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-22 19:37:56] [INFO ] Deduced a trap composed of 5 places in 33 ms of which 1 ms to minimize.
[2024-05-22 19:37:56] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 41 ms
TRAPS : Iteration 1
[2024-05-22 19:37:56] [INFO ] After 53ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-22 19:37:56] [INFO ] After 110ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 224 ms.
RANDOM walk for 40000 steps (5699 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (3671 resets) in 28 ms. (1379 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1375353 steps, run timeout after 3001 ms. (steps per millisecond=458 ) properties seen :0 out of 1
Probabilistic random walk after 1375353 steps, saw 687705 distinct states, run finished after 3001 ms. (steps per millisecond=458 ) properties seen :0
// Phase 1: matrix 86 rows 87 cols
[2024-05-22 19:37:59] [INFO ] Computed 14 invariants in 3 ms
[2024-05-22 19:37:59] [INFO ] State equation strengthened by 12 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 19/23 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/23 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 45/68 variables, 3/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/68 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/68 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 21/89 variables, 9/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:37:59] [INFO ] Deduced a trap composed of 3 places in 34 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/89 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/89 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 75/164 variables, 69/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/164 variables, 12/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/164 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 9/173 variables, 8/112 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/173 variables, 2/114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/173 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/173 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 173/173 variables, and 114 constraints, problems are : Problem set: 0 solved, 1 unsolved in 118 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 87/87 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 19/23 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/23 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/23 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 45/68 variables, 3/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/68 variables, 2/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/68 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 21/89 variables, 9/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/89 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/89 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 75/164 variables, 69/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/164 variables, 12/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/164 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 9/173 variables, 8/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/173 variables, 2/115 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/173 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/173 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 173/173 variables, and 115 constraints, problems are : Problem set: 0 solved, 1 unsolved in 88 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 87/87 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 214ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 29 ms.
Support contains 1 out of 87 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 87/87 places, 86/86 transitions.
Graph (complete) has 319 edges and 87 vertex of which 86 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 86 transition count 85
Free-agglomeration rule (complex) applied 3 times.
Iterating global reduction 1 with 3 rules applied. Total rules applied 5 place count 86 transition count 82
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 8 place count 83 transition count 82
Partial Free-agglomeration rule applied 4 times.
Drop transitions (Partial Free agglomeration) removed 4 transitions
Iterating global reduction 2 with 4 rules applied. Total rules applied 12 place count 83 transition count 82
Applied a total of 12 rules in 5 ms. Remains 83 /87 variables (removed 4) and now considering 82/86 (removed 4) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 83/87 places, 82/86 transitions.
RANDOM walk for 40000 steps (5729 resets) in 50 ms. (784 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (3666 resets) in 27 ms. (1428 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1390595 steps, run timeout after 3001 ms. (steps per millisecond=463 ) properties seen :0 out of 1
Probabilistic random walk after 1390595 steps, saw 695307 distinct states, run finished after 3001 ms. (steps per millisecond=463 ) properties seen :0
// Phase 1: matrix 82 rows 83 cols
[2024-05-22 19:38:03] [INFO ] Computed 14 invariants in 1 ms
[2024-05-22 19:38:03] [INFO ] State equation strengthened by 13 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 59/60 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:38:03] [INFO ] Deduced a trap composed of 3 places in 29 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/60 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/60 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 18/78 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:38:03] [INFO ] Deduced a trap composed of 4 places in 40 ms of which 1 ms to minimize.
[2024-05-22 19:38:03] [INFO ] Deduced a trap composed of 7 places in 31 ms of which 1 ms to minimize.
[2024-05-22 19:38:03] [INFO ] Deduced a trap composed of 10 places in 30 ms of which 1 ms to minimize.
[2024-05-22 19:38:03] [INFO ] Deduced a trap composed of 6 places in 28 ms of which 1 ms to minimize.
[2024-05-22 19:38:03] [INFO ] Deduced a trap composed of 12 places in 25 ms of which 1 ms to minimize.
[2024-05-22 19:38:03] [INFO ] Deduced a trap composed of 13 places in 22 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/78 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/78 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 82/160 variables, 78/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 13/110 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 5/165 variables, 5/115 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/165 variables, 2/117 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/165 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/165 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 165/165 variables, and 117 constraints, problems are : Problem set: 0 solved, 1 unsolved in 316 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 83/83 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 7/7 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 59/60 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/60 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/60 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 18/78 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/78 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:38:03] [INFO ] Deduced a trap composed of 7 places in 38 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/78 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/78 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 82/160 variables, 78/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 13/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/160 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/160 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 5/165 variables, 5/117 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/165 variables, 2/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/165 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/165 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 165/165 variables, and 119 constraints, problems are : Problem set: 0 solved, 1 unsolved in 121 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 83/83 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 8/8 constraints]
After SMT, in 444ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 22 ms.
Support contains 1 out of 83 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 83/83 places, 82/82 transitions.
Applied a total of 0 rules in 1 ms. Remains 83 /83 variables (removed 0) and now considering 82/82 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 83/83 places, 82/82 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 83/83 places, 82/82 transitions.
Applied a total of 0 rules in 6 ms. Remains 83 /83 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2024-05-22 19:38:03] [INFO ] Invariant cache hit.
[2024-05-22 19:38:03] [INFO ] Implicit Places using invariants in 62 ms returned [25]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 63 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 82/83 places, 82/82 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 82 transition count 81
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 81 transition count 81
Applied a total of 2 rules in 3 ms. Remains 81 /82 variables (removed 1) and now considering 81/82 (removed 1) transitions.
// Phase 1: matrix 81 rows 81 cols
[2024-05-22 19:38:03] [INFO ] Computed 13 invariants in 2 ms
[2024-05-22 19:38:03] [INFO ] Implicit Places using invariants in 52 ms returned []
[2024-05-22 19:38:03] [INFO ] Invariant cache hit.
[2024-05-22 19:38:03] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-05-22 19:38:03] [INFO ] Implicit Places using invariants and state equation in 170 ms returned []
Implicit Place search using SMT with State Equation took 224 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 81/83 places, 81/82 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 297 ms. Remains : 81/83 places, 81/82 transitions.
RANDOM walk for 40000 steps (5735 resets) in 45 ms. (869 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40000 steps (3628 resets) in 31 ms. (1250 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1362856 steps, run timeout after 3001 ms. (steps per millisecond=454 ) properties seen :0 out of 1
Probabilistic random walk after 1362856 steps, saw 681437 distinct states, run finished after 3001 ms. (steps per millisecond=454 ) properties seen :0
[2024-05-22 19:38:06] [INFO ] Invariant cache hit.
[2024-05-22 19:38:06] [INFO ] State equation strengthened by 13 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 57/58 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 18/76 variables, 6/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:38:07] [INFO ] Deduced a trap composed of 4 places in 42 ms of which 1 ms to minimize.
[2024-05-22 19:38:07] [INFO ] Deduced a trap composed of 10 places in 31 ms of which 1 ms to minimize.
[2024-05-22 19:38:07] [INFO ] Deduced a trap composed of 7 places in 44 ms of which 0 ms to minimize.
[2024-05-22 19:38:07] [INFO ] Deduced a trap composed of 7 places in 27 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/76 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/76 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 81/157 variables, 76/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/157 variables, 13/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/157 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 5/162 variables, 5/109 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/162 variables, 2/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/162 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/162 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 162/162 variables, and 111 constraints, problems are : Problem set: 0 solved, 1 unsolved in 236 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 81/81 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 57/58 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:38:07] [INFO ] Deduced a trap composed of 12 places in 35 ms of which 0 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/58 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 18/76 variables, 6/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/76 variables, 4/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/76 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 81/157 variables, 76/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/157 variables, 13/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/157 variables, 1/106 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/157 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 5/162 variables, 5/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/162 variables, 2/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/162 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/162 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 162/162 variables, and 113 constraints, problems are : Problem set: 0 solved, 1 unsolved in 110 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 81/81 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 5/5 constraints]
After SMT, in 359ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 24 ms.
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 81/81 transitions.
Applied a total of 0 rules in 1 ms. Remains 81 /81 variables (removed 0) and now considering 81/81 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 81/81 places, 81/81 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 81/81 transitions.
Applied a total of 0 rules in 1 ms. Remains 81 /81 variables (removed 0) and now considering 81/81 (removed 0) transitions.
[2024-05-22 19:38:07] [INFO ] Invariant cache hit.
[2024-05-22 19:38:07] [INFO ] Implicit Places using invariants in 62 ms returned []
[2024-05-22 19:38:07] [INFO ] Invariant cache hit.
[2024-05-22 19:38:07] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-05-22 19:38:07] [INFO ] Implicit Places using invariants and state equation in 173 ms returned []
Implicit Place search using SMT with State Equation took 236 ms to find 0 implicit places.
[2024-05-22 19:38:07] [INFO ] Redundant transitions in 2 ms returned []
Running 80 sub problems to find dead transitions.
[2024-05-22 19:38:07] [INFO ] Invariant cache hit.
[2024-05-22 19:38:07] [INFO ] State equation strengthened by 13 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/80 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 3 (OVERLAPS) 1/81 variables, 5/13 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/81 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 5 (OVERLAPS) 81/162 variables, 81/94 constraints. Problems are: Problem set: 0 solved, 80 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/162 variables, 13/107 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/162 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 8 (OVERLAPS) 0/162 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 80 unsolved
No progress, stopping.
After SMT solving in domain Real declared 162/162 variables, and 107 constraints, problems are : Problem set: 0 solved, 80 unsolved in 1229 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 81/81 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 80/80 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 80 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/80 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 3 (OVERLAPS) 1/81 variables, 5/13 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/81 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 5 (OVERLAPS) 81/162 variables, 81/94 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/162 variables, 13/107 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/162 variables, 80/187 constraints. Problems are: Problem set: 0 solved, 80 unsolved
[2024-05-22 19:38:09] [INFO ] Deduced a trap composed of 4 places in 44 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/162 variables, 1/188 constraints. Problems are: Problem set: 0 solved, 80 unsolved
[2024-05-22 19:38:10] [INFO ] Deduced a trap composed of 29 places in 38 ms of which 1 ms to minimize.
[2024-05-22 19:38:10] [INFO ] Deduced a trap composed of 39 places in 41 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/162 variables, 2/190 constraints. Problems are: Problem set: 0 solved, 80 unsolved
[2024-05-22 19:38:11] [INFO ] Deduced a trap composed of 38 places in 37 ms of which 0 ms to minimize.
[2024-05-22 19:38:11] [INFO ] Deduced a trap composed of 39 places in 39 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/162 variables, 2/192 constraints. Problems are: Problem set: 0 solved, 80 unsolved
[2024-05-22 19:38:12] [INFO ] Deduced a trap composed of 8 places in 34 ms of which 0 ms to minimize.
[2024-05-22 19:38:12] [INFO ] Deduced a trap composed of 41 places in 40 ms of which 1 ms to minimize.
[2024-05-22 19:38:12] [INFO ] Deduced a trap composed of 41 places in 33 ms of which 0 ms to minimize.
[2024-05-22 19:38:12] [INFO ] Deduced a trap composed of 36 places in 36 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/162 variables, 4/196 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/162 variables, 0/196 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 13 (OVERLAPS) 0/162 variables, 0/196 constraints. Problems are: Problem set: 0 solved, 80 unsolved
No progress, stopping.
After SMT solving in domain Int declared 162/162 variables, and 196 constraints, problems are : Problem set: 0 solved, 80 unsolved in 5753 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 81/81 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 80/80 constraints, Known Traps: 9/9 constraints]
After SMT, in 7012ms problems are : Problem set: 0 solved, 80 unsolved
Search for dead transitions found 0 dead transitions in 7013ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7262 ms. Remains : 81/81 places, 81/81 transitions.
Attempting over-approximation, by ignoring read arcs.
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 6 Pre rules applied. Total rules applied 0 place count 81 transition count 75
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 75 transition count 75
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 15 place count 72 transition count 72
Iterating global reduction 0 with 3 rules applied. Total rules applied 18 place count 72 transition count 72
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 20 place count 71 transition count 71
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 0 with 2 rules applied. Total rules applied 22 place count 71 transition count 69
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 24 place count 69 transition count 69
Applied a total of 24 rules in 11 ms. Remains 69 /81 variables (removed 12) and now considering 69/81 (removed 12) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 69 rows 69 cols
[2024-05-22 19:38:14] [INFO ] Computed 13 invariants in 2 ms
[2024-05-22 19:38:14] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 19:38:14] [INFO ] [Real]Absence check using 3 positive and 10 generalized place invariants in 3 ms returned sat
[2024-05-22 19:38:14] [INFO ] After 27ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-22 19:38:14] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-05-22 19:38:14] [INFO ] After 4ms SMT Verify possible using 1 Read/Feed constraints in real domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-22 19:38:14] [INFO ] After 9ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :1
[2024-05-22 19:38:14] [INFO ] After 69ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 86 ms.
RANDOM walk for 40000 steps (5728 resets) in 53 ms. (740 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (3542 resets) in 35 ms. (1111 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 2057 steps, run visited all 1 properties in 8 ms. (steps per millisecond=257 )
Probabilistic random walk after 2057 steps, saw 1043 distinct states, run finished after 12 ms. (steps per millisecond=171 ) properties seen :1
RANDOM walk for 40000 steps (5668 resets) in 180 ms. (220 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (3612 resets) in 104 ms. (380 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1211885 steps, run timeout after 3001 ms. (steps per millisecond=403 ) properties seen :0 out of 1
Probabilistic random walk after 1211885 steps, saw 605942 distinct states, run finished after 3001 ms. (steps per millisecond=403 ) properties seen :0
// Phase 1: matrix 86 rows 87 cols
[2024-05-22 19:38:17] [INFO ] Computed 14 invariants in 4 ms
[2024-05-22 19:38:17] [INFO ] State equation strengthened by 12 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 7/8 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 13/21 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/21 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 38/59 variables, 16/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/59 variables, 4/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/59 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 41/100 variables, 4/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/100 variables, 3/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/100 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 14/114 variables, 6/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/114 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 52/166 variables, 54/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/166 variables, 8/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/166 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 7/173 variables, 6/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/173 variables, 2/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/173 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/173 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 173/173 variables, and 113 constraints, problems are : Problem set: 0 solved, 1 unsolved in 82 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 87/87 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 7/8 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 13/21 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/21 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 38/59 variables, 16/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/59 variables, 4/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/59 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/59 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 41/100 variables, 4/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/100 variables, 3/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/100 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 14/114 variables, 6/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:38:18] [INFO ] Deduced a trap composed of 3 places in 37 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/114 variables, 1/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/114 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 52/166 variables, 54/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/166 variables, 8/107 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/166 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 7/173 variables, 6/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/173 variables, 2/115 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/173 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/173 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 173/173 variables, and 115 constraints, problems are : Problem set: 0 solved, 1 unsolved in 130 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 87/87 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 218ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 26 ms.
Support contains 1 out of 87 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 87/87 places, 86/86 transitions.
Graph (complete) has 319 edges and 87 vertex of which 86 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 86 transition count 85
Free-agglomeration rule (complex) applied 3 times.
Iterating global reduction 1 with 3 rules applied. Total rules applied 5 place count 86 transition count 82
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 8 place count 83 transition count 82
Partial Free-agglomeration rule applied 4 times.
Drop transitions (Partial Free agglomeration) removed 4 transitions
Iterating global reduction 2 with 4 rules applied. Total rules applied 12 place count 83 transition count 82
Applied a total of 12 rules in 5 ms. Remains 83 /87 variables (removed 4) and now considering 82/86 (removed 4) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 83/87 places, 82/86 transitions.
RANDOM walk for 40000 steps (5699 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (3649 resets) in 28 ms. (1379 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1386452 steps, run timeout after 3001 ms. (steps per millisecond=461 ) properties seen :0 out of 1
Probabilistic random walk after 1386452 steps, saw 693235 distinct states, run finished after 3001 ms. (steps per millisecond=461 ) properties seen :0
// Phase 1: matrix 82 rows 83 cols
[2024-05-22 19:38:21] [INFO ] Computed 14 invariants in 4 ms
[2024-05-22 19:38:21] [INFO ] State equation strengthened by 13 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 59/60 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:38:21] [INFO ] Deduced a trap composed of 3 places in 33 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/60 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/60 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 18/78 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/78 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 82/160 variables, 78/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 13/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 5/165 variables, 5/109 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/165 variables, 2/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/165 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/165 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 165/165 variables, and 111 constraints, problems are : Problem set: 0 solved, 1 unsolved in 134 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 83/83 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 59/60 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/60 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/60 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 18/78 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/78 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 82/160 variables, 78/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 13/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 1/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 5/165 variables, 5/110 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/165 variables, 2/112 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:38:21] [INFO ] Deduced a trap composed of 13 places in 31 ms of which 0 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/165 variables, 1/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/165 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/165 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 165/165 variables, and 113 constraints, problems are : Problem set: 0 solved, 1 unsolved in 131 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 83/83 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 274ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 38 ms.
Support contains 1 out of 83 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 83/83 places, 82/82 transitions.
Applied a total of 0 rules in 1 ms. Remains 83 /83 variables (removed 0) and now considering 82/82 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 83/83 places, 82/82 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 83/83 places, 82/82 transitions.
Applied a total of 0 rules in 1 ms. Remains 83 /83 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2024-05-22 19:38:21] [INFO ] Invariant cache hit.
[2024-05-22 19:38:21] [INFO ] Implicit Places using invariants in 65 ms returned [25]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 66 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 82/83 places, 82/82 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 82 transition count 81
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 81 transition count 81
Applied a total of 2 rules in 3 ms. Remains 81 /82 variables (removed 1) and now considering 81/82 (removed 1) transitions.
// Phase 1: matrix 81 rows 81 cols
[2024-05-22 19:38:21] [INFO ] Computed 13 invariants in 2 ms
[2024-05-22 19:38:21] [INFO ] Implicit Places using invariants in 64 ms returned []
[2024-05-22 19:38:21] [INFO ] Invariant cache hit.
[2024-05-22 19:38:21] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-05-22 19:38:21] [INFO ] Implicit Places using invariants and state equation in 173 ms returned []
Implicit Place search using SMT with State Equation took 238 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 81/83 places, 81/82 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 308 ms. Remains : 81/83 places, 81/82 transitions.
RANDOM walk for 40000 steps (5723 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (3635 resets) in 28 ms. (1379 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1341266 steps, run timeout after 3001 ms. (steps per millisecond=446 ) properties seen :0 out of 1
Probabilistic random walk after 1341266 steps, saw 670634 distinct states, run finished after 3001 ms. (steps per millisecond=446 ) properties seen :0
[2024-05-22 19:38:24] [INFO ] Invariant cache hit.
[2024-05-22 19:38:24] [INFO ] State equation strengthened by 13 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 57/58 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 18/76 variables, 6/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:38:24] [INFO ] Deduced a trap composed of 7 places in 45 ms of which 1 ms to minimize.
[2024-05-22 19:38:24] [INFO ] Deduced a trap composed of 4 places in 42 ms of which 1 ms to minimize.
[2024-05-22 19:38:24] [INFO ] Deduced a trap composed of 8 places in 46 ms of which 1 ms to minimize.
[2024-05-22 19:38:24] [INFO ] Deduced a trap composed of 29 places in 36 ms of which 1 ms to minimize.
[2024-05-22 19:38:25] [INFO ] Deduced a trap composed of 10 places in 34 ms of which 0 ms to minimize.
[2024-05-22 19:38:25] [INFO ] Deduced a trap composed of 10 places in 36 ms of which 1 ms to minimize.
[2024-05-22 19:38:25] [INFO ] Deduced a trap composed of 7 places in 43 ms of which 1 ms to minimize.
[2024-05-22 19:38:25] [INFO ] Deduced a trap composed of 22 places in 45 ms of which 1 ms to minimize.
[2024-05-22 19:38:25] [INFO ] Deduced a trap composed of 6 places in 23 ms of which 0 ms to minimize.
[2024-05-22 19:38:25] [INFO ] Deduced a trap composed of 17 places in 37 ms of which 1 ms to minimize.
[2024-05-22 19:38:25] [INFO ] Deduced a trap composed of 11 places in 38 ms of which 2 ms to minimize.
[2024-05-22 19:38:25] [INFO ] Deduced a trap composed of 26 places in 40 ms of which 1 ms to minimize.
[2024-05-22 19:38:25] [INFO ] Deduced a trap composed of 28 places in 34 ms of which 1 ms to minimize.
[2024-05-22 19:38:25] [INFO ] Deduced a trap composed of 30 places in 35 ms of which 0 ms to minimize.
[2024-05-22 19:38:25] [INFO ] Deduced a trap composed of 9 places in 34 ms of which 0 ms to minimize.
[2024-05-22 19:38:25] [INFO ] Deduced a trap composed of 27 places in 33 ms of which 1 ms to minimize.
[2024-05-22 19:38:25] [INFO ] Deduced a trap composed of 10 places in 33 ms of which 0 ms to minimize.
[2024-05-22 19:38:25] [INFO ] Deduced a trap composed of 13 places in 34 ms of which 2 ms to minimize.
[2024-05-22 19:38:25] [INFO ] Deduced a trap composed of 18 places in 32 ms of which 0 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/76 variables, 19/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/76 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 81/157 variables, 76/106 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/157 variables, 13/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/157 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 5/162 variables, 5/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/162 variables, 2/126 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/162 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/162 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 162/162 variables, and 126 constraints, problems are : Problem set: 0 solved, 1 unsolved in 851 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 81/81 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 19/19 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 57/58 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:38:25] [INFO ] Deduced a trap composed of 12 places in 39 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/58 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 18/76 variables, 6/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/76 variables, 19/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:38:25] [INFO ] Deduced a trap composed of 25 places in 70 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/76 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/76 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 81/157 variables, 76/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/157 variables, 13/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/157 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/157 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 5/162 variables, 5/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/162 variables, 2/129 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/162 variables, 0/129 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/162 variables, 0/129 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 162/162 variables, and 129 constraints, problems are : Problem set: 0 solved, 1 unsolved in 204 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 81/81 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 21/21 constraints]
After SMT, in 1064ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 20 ms.
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 81/81 transitions.
Applied a total of 0 rules in 1 ms. Remains 81 /81 variables (removed 0) and now considering 81/81 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 81/81 places, 81/81 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 81/81 transitions.
Applied a total of 0 rules in 1 ms. Remains 81 /81 variables (removed 0) and now considering 81/81 (removed 0) transitions.
[2024-05-22 19:38:25] [INFO ] Invariant cache hit.
[2024-05-22 19:38:25] [INFO ] Implicit Places using invariants in 58 ms returned []
[2024-05-22 19:38:25] [INFO ] Invariant cache hit.
[2024-05-22 19:38:25] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-05-22 19:38:26] [INFO ] Implicit Places using invariants and state equation in 161 ms returned []
Implicit Place search using SMT with State Equation took 221 ms to find 0 implicit places.
[2024-05-22 19:38:26] [INFO ] Redundant transitions in 4 ms returned []
Running 80 sub problems to find dead transitions.
[2024-05-22 19:38:26] [INFO ] Invariant cache hit.
[2024-05-22 19:38:26] [INFO ] State equation strengthened by 13 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/80 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 3 (OVERLAPS) 1/81 variables, 5/13 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/81 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 5 (OVERLAPS) 81/162 variables, 81/94 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/162 variables, 13/107 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/162 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 8 (OVERLAPS) 0/162 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 80 unsolved
No progress, stopping.
After SMT solving in domain Real declared 162/162 variables, and 107 constraints, problems are : Problem set: 0 solved, 80 unsolved in 1254 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 81/81 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 80/80 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 80 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/80 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 3 (OVERLAPS) 1/81 variables, 5/13 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/81 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 5 (OVERLAPS) 81/162 variables, 81/94 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/162 variables, 13/107 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/162 variables, 80/187 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/162 variables, 0/187 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 9 (OVERLAPS) 0/162 variables, 0/187 constraints. Problems are: Problem set: 0 solved, 80 unsolved
No progress, stopping.
After SMT solving in domain Int declared 162/162 variables, and 187 constraints, problems are : Problem set: 0 solved, 80 unsolved in 2548 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 81/81 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 80/80 constraints, Known Traps: 0/0 constraints]
After SMT, in 3828ms problems are : Problem set: 0 solved, 80 unsolved
Search for dead transitions found 0 dead transitions in 3830ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4065 ms. Remains : 81/81 places, 81/81 transitions.
Attempting over-approximation, by ignoring read arcs.
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 6 Pre rules applied. Total rules applied 0 place count 81 transition count 75
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 75 transition count 75
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 15 place count 72 transition count 72
Iterating global reduction 0 with 3 rules applied. Total rules applied 18 place count 72 transition count 72
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 20 place count 71 transition count 71
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 0 with 2 rules applied. Total rules applied 22 place count 71 transition count 69
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 24 place count 69 transition count 69
Applied a total of 24 rules in 8 ms. Remains 69 /81 variables (removed 12) and now considering 69/81 (removed 12) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 69 rows 69 cols
[2024-05-22 19:38:29] [INFO ] Computed 13 invariants in 3 ms
[2024-05-22 19:38:29] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 19:38:29] [INFO ] [Real]Absence check using 3 positive and 10 generalized place invariants in 3 ms returned sat
[2024-05-22 19:38:29] [INFO ] After 25ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-22 19:38:29] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-05-22 19:38:29] [INFO ] After 3ms SMT Verify possible using 1 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-22 19:38:29] [INFO ] After 59ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-22 19:38:30] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-22 19:38:30] [INFO ] [Nat]Absence check using 3 positive and 10 generalized place invariants in 2 ms returned sat
[2024-05-22 19:38:30] [INFO ] After 25ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-22 19:38:30] [INFO ] After 3ms SMT Verify possible using 1 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-22 19:38:30] [INFO ] Deduced a trap composed of 5 places in 34 ms of which 1 ms to minimize.
[2024-05-22 19:38:30] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 41 ms
TRAPS : Iteration 1
[2024-05-22 19:38:30] [INFO ] After 55ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-22 19:38:30] [INFO ] After 113ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 188 ms.
RANDOM walk for 40000 steps (5720 resets) in 47 ms. (833 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (3625 resets) in 29 ms. (1333 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1367969 steps, run timeout after 3001 ms. (steps per millisecond=455 ) properties seen :0 out of 1
Probabilistic random walk after 1367969 steps, saw 683994 distinct states, run finished after 3005 ms. (steps per millisecond=455 ) properties seen :0
// Phase 1: matrix 86 rows 87 cols
[2024-05-22 19:38:33] [INFO ] Computed 14 invariants in 3 ms
[2024-05-22 19:38:33] [INFO ] State equation strengthened by 12 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 43/44 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/44 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 21/65 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 76/141 variables, 65/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/141 variables, 10/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/141 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 26/167 variables, 17/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/167 variables, 2/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/167 variables, 1/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/167 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 2/169 variables, 2/107 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/169 variables, 2/109 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/169 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 4/173 variables, 3/112 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/173 variables, 1/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/173 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/173 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 173/173 variables, and 113 constraints, problems are : Problem set: 0 solved, 1 unsolved in 91 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 87/87 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 43/44 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/44 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 21/65 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 76/141 variables, 65/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/141 variables, 10/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/141 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 26/167 variables, 17/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/167 variables, 2/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/167 variables, 1/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/167 variables, 1/106 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:38:33] [INFO ] Deduced a trap composed of 9 places in 24 ms of which 0 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/167 variables, 1/107 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/167 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 2/169 variables, 2/109 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/169 variables, 2/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/169 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 4/173 variables, 3/114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/173 variables, 1/115 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/173 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/173 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 173/173 variables, and 115 constraints, problems are : Problem set: 0 solved, 1 unsolved in 131 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 87/87 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 232ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 18 ms.
Support contains 1 out of 87 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 87/87 places, 86/86 transitions.
Graph (complete) has 319 edges and 87 vertex of which 86 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 86 transition count 85
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 1 with 2 rules applied. Total rules applied 4 place count 86 transition count 83
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 6 place count 84 transition count 83
Partial Free-agglomeration rule applied 5 times.
Drop transitions (Partial Free agglomeration) removed 5 transitions
Iterating global reduction 2 with 5 rules applied. Total rules applied 11 place count 84 transition count 83
Applied a total of 11 rules in 6 ms. Remains 84 /87 variables (removed 3) and now considering 83/86 (removed 3) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 84/87 places, 83/86 transitions.
RANDOM walk for 40000 steps (5706 resets) in 59 ms. (666 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (3647 resets) in 33 ms. (1176 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1281068 steps, run timeout after 3001 ms. (steps per millisecond=426 ) properties seen :0 out of 1
Probabilistic random walk after 1281068 steps, saw 640539 distinct states, run finished after 3001 ms. (steps per millisecond=426 ) properties seen :0
// Phase 1: matrix 83 rows 84 cols
[2024-05-22 19:38:36] [INFO ] Computed 14 invariants in 4 ms
[2024-05-22 19:38:36] [INFO ] State equation strengthened by 14 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 41/45 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/45 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/45 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 52/97 variables, 6/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/97 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:38:36] [INFO ] Deduced a trap composed of 14 places in 37 ms of which 0 ms to minimize.
[2024-05-22 19:38:36] [INFO ] Deduced a trap composed of 39 places in 30 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/97 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/97 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 17/114 variables, 6/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/114 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/114 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 51/165 variables, 69/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/165 variables, 1/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/165 variables, 11/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/165 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/167 variables, 2/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/167 variables, 1/114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/167 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/167 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 167/167 variables, and 114 constraints, problems are : Problem set: 0 solved, 1 unsolved in 162 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 84/84 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 41/45 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/45 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/45 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/45 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 52/97 variables, 6/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/97 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/97 variables, 2/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/97 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 17/114 variables, 6/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/114 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:38:36] [INFO ] Deduced a trap composed of 6 places in 38 ms of which 0 ms to minimize.
[2024-05-22 19:38:36] [INFO ] Deduced a trap composed of 7 places in 38 ms of which 1 ms to minimize.
[2024-05-22 19:38:36] [INFO ] Deduced a trap composed of 9 places in 35 ms of which 1 ms to minimize.
[2024-05-22 19:38:36] [INFO ] Deduced a trap composed of 10 places in 38 ms of which 1 ms to minimize.
[2024-05-22 19:38:36] [INFO ] Deduced a trap composed of 11 places in 36 ms of which 0 ms to minimize.
[2024-05-22 19:38:36] [INFO ] Deduced a trap composed of 7 places in 32 ms of which 0 ms to minimize.
[2024-05-22 19:38:36] [INFO ] Deduced a trap composed of 21 places in 36 ms of which 1 ms to minimize.
[2024-05-22 19:38:36] [INFO ] Deduced a trap composed of 31 places in 32 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/114 variables, 8/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/114 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 51/165 variables, 69/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/165 variables, 1/109 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/165 variables, 11/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/165 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 2/167 variables, 2/122 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/167 variables, 1/123 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/167 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/167 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 167/167 variables, and 123 constraints, problems are : Problem set: 0 solved, 1 unsolved in 411 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 84/84 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 10/10 constraints]
After SMT, in 581ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 15 ms.
Support contains 1 out of 84 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 84/84 places, 83/83 transitions.
Applied a total of 0 rules in 1 ms. Remains 84 /84 variables (removed 0) and now considering 83/83 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 84/84 places, 83/83 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 84/84 places, 83/83 transitions.
Applied a total of 0 rules in 1 ms. Remains 84 /84 variables (removed 0) and now considering 83/83 (removed 0) transitions.
[2024-05-22 19:38:37] [INFO ] Invariant cache hit.
[2024-05-22 19:38:37] [INFO ] Implicit Places using invariants in 65 ms returned [25]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 66 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 83/84 places, 83/83 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 83 transition count 82
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 82 transition count 82
Applied a total of 2 rules in 3 ms. Remains 82 /83 variables (removed 1) and now considering 82/83 (removed 1) transitions.
// Phase 1: matrix 82 rows 82 cols
[2024-05-22 19:38:37] [INFO ] Computed 13 invariants in 1 ms
[2024-05-22 19:38:37] [INFO ] Implicit Places using invariants in 58 ms returned []
[2024-05-22 19:38:37] [INFO ] Invariant cache hit.
[2024-05-22 19:38:37] [INFO ] State equation strengthened by 14 read => feed constraints.
[2024-05-22 19:38:37] [INFO ] Implicit Places using invariants and state equation in 144 ms returned []
Implicit Place search using SMT with State Equation took 203 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 82/84 places, 82/83 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 273 ms. Remains : 82/84 places, 82/83 transitions.
RANDOM walk for 40000 steps (5739 resets) in 51 ms. (769 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (3684 resets) in 28 ms. (1379 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1377780 steps, run timeout after 3001 ms. (steps per millisecond=459 ) properties seen :0 out of 1
Probabilistic random walk after 1377780 steps, saw 688899 distinct states, run finished after 3001 ms. (steps per millisecond=459 ) properties seen :0
[2024-05-22 19:38:40] [INFO ] Invariant cache hit.
[2024-05-22 19:38:40] [INFO ] State equation strengthened by 14 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 39/43 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/43 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/43 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 51/94 variables, 5/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/94 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:38:40] [INFO ] Deduced a trap composed of 14 places in 40 ms of which 1 ms to minimize.
[2024-05-22 19:38:40] [INFO ] Deduced a trap composed of 39 places in 32 ms of which 1 ms to minimize.
[2024-05-22 19:38:40] [INFO ] Deduced a trap composed of 40 places in 28 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/94 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/94 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 17/111 variables, 6/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/111 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/111 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 51/162 variables, 68/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/162 variables, 1/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/162 variables, 11/109 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/162 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/164 variables, 2/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/164 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/164 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/164 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 164/164 variables, and 112 constraints, problems are : Problem set: 0 solved, 1 unsolved in 191 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 82/82 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 39/43 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/43 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/43 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/43 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 51/94 variables, 5/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/94 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/94 variables, 3/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:38:40] [INFO ] Deduced a trap composed of 17 places in 34 ms of which 0 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/94 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/94 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 17/111 variables, 6/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/111 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/111 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 51/162 variables, 68/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/162 variables, 1/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/162 variables, 11/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/162 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 2/164 variables, 2/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/164 variables, 1/114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/164 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/164 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 164/164 variables, and 114 constraints, problems are : Problem set: 0 solved, 1 unsolved in 132 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 82/82 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 328ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 18 ms.
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 82/82 transitions.
Applied a total of 0 rules in 1 ms. Remains 82 /82 variables (removed 0) and now considering 82/82 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 82/82 places, 82/82 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 82/82 transitions.
Applied a total of 0 rules in 1 ms. Remains 82 /82 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2024-05-22 19:38:40] [INFO ] Invariant cache hit.
[2024-05-22 19:38:40] [INFO ] Implicit Places using invariants in 62 ms returned []
[2024-05-22 19:38:40] [INFO ] Invariant cache hit.
[2024-05-22 19:38:40] [INFO ] State equation strengthened by 14 read => feed constraints.
[2024-05-22 19:38:40] [INFO ] Implicit Places using invariants and state equation in 156 ms returned []
Implicit Place search using SMT with State Equation took 220 ms to find 0 implicit places.
[2024-05-22 19:38:40] [INFO ] Redundant transitions in 1 ms returned []
Running 81 sub problems to find dead transitions.
[2024-05-22 19:38:40] [INFO ] Invariant cache hit.
[2024-05-22 19:38:40] [INFO ] State equation strengthened by 14 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/81 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 3 (OVERLAPS) 1/82 variables, 5/13 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/82 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 5 (OVERLAPS) 82/164 variables, 82/95 constraints. Problems are: Problem set: 0 solved, 81 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/164 variables, 14/109 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/164 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 8 (OVERLAPS) 0/164 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 81 unsolved
No progress, stopping.
After SMT solving in domain Real declared 164/164 variables, and 109 constraints, problems are : Problem set: 0 solved, 81 unsolved in 1291 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 82/82 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 81/81 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 81 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/81 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 3 (OVERLAPS) 1/82 variables, 5/13 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/82 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 5 (OVERLAPS) 82/164 variables, 82/95 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/164 variables, 14/109 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/164 variables, 81/190 constraints. Problems are: Problem set: 0 solved, 81 unsolved
[2024-05-22 19:38:43] [INFO ] Deduced a trap composed of 8 places in 29 ms of which 1 ms to minimize.
[2024-05-22 19:38:43] [INFO ] Deduced a trap composed of 34 places in 42 ms of which 0 ms to minimize.
[2024-05-22 19:38:43] [INFO ] Deduced a trap composed of 35 places in 37 ms of which 1 ms to minimize.
[2024-05-22 19:38:43] [INFO ] Deduced a trap composed of 35 places in 35 ms of which 1 ms to minimize.
[2024-05-22 19:38:43] [INFO ] Deduced a trap composed of 39 places in 36 ms of which 1 ms to minimize.
[2024-05-22 19:38:43] [INFO ] Deduced a trap composed of 37 places in 37 ms of which 1 ms to minimize.
[2024-05-22 19:38:43] [INFO ] Deduced a trap composed of 35 places in 37 ms of which 1 ms to minimize.
[2024-05-22 19:38:43] [INFO ] Deduced a trap composed of 39 places in 37 ms of which 0 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/164 variables, 8/198 constraints. Problems are: Problem set: 0 solved, 81 unsolved
[2024-05-22 19:38:44] [INFO ] Deduced a trap composed of 40 places in 36 ms of which 0 ms to minimize.
[2024-05-22 19:38:44] [INFO ] Deduced a trap composed of 40 places in 32 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/164 variables, 2/200 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/164 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 11 (OVERLAPS) 0/164 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 81 unsolved
No progress, stopping.
After SMT solving in domain Int declared 164/164 variables, and 200 constraints, problems are : Problem set: 0 solved, 81 unsolved in 4167 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 82/82 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 81/81 constraints, Known Traps: 10/10 constraints]
After SMT, in 5479ms problems are : Problem set: 0 solved, 81 unsolved
Search for dead transitions found 0 dead transitions in 5481ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5707 ms. Remains : 82/82 places, 82/82 transitions.
Attempting over-approximation, by ignoring read arcs.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 82 transition count 81
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 81 transition count 81
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 6 Pre rules applied. Total rules applied 2 place count 81 transition count 75
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 12 rules applied. Total rules applied 14 place count 75 transition count 75
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 17 place count 72 transition count 72
Iterating global reduction 2 with 3 rules applied. Total rules applied 20 place count 72 transition count 72
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 22 place count 71 transition count 71
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 2 with 1 rules applied. Total rules applied 23 place count 71 transition count 70
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 24 place count 70 transition count 70
Applied a total of 24 rules in 9 ms. Remains 70 /82 variables (removed 12) and now considering 70/82 (removed 12) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 70 rows 70 cols
[2024-05-22 19:38:46] [INFO ] Computed 13 invariants in 2 ms
[2024-05-22 19:38:46] [INFO ] [Real]Absence check using 5 positive place invariants in 1 ms returned sat
[2024-05-22 19:38:46] [INFO ] [Real]Absence check using 5 positive and 8 generalized place invariants in 3 ms returned sat
[2024-05-22 19:38:46] [INFO ] After 24ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-22 19:38:46] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-05-22 19:38:46] [INFO ] After 2ms SMT Verify possible using 1 Read/Feed constraints in real domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-22 19:38:46] [INFO ] After 7ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :1
[2024-05-22 19:38:46] [INFO ] After 63ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 76 ms.
RANDOM walk for 40000 steps (5735 resets) in 59 ms. (666 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40000 steps (3652 resets) in 29 ms. (1333 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 2057 steps, run visited all 1 properties in 8 ms. (steps per millisecond=257 )
Probabilistic random walk after 2057 steps, saw 1043 distinct states, run finished after 8 ms. (steps per millisecond=257 ) properties seen :1
RANDOM walk for 40000 steps (5710 resets) in 48 ms. (816 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (3585 resets) in 29 ms. (1333 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1373579 steps, run timeout after 3001 ms. (steps per millisecond=457 ) properties seen :0 out of 1
Probabilistic random walk after 1373579 steps, saw 686818 distinct states, run finished after 3003 ms. (steps per millisecond=457 ) properties seen :0
// Phase 1: matrix 86 rows 87 cols
[2024-05-22 19:38:49] [INFO ] Computed 14 invariants in 4 ms
[2024-05-22 19:38:49] [INFO ] State equation strengthened by 12 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 9/12 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/12 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 42/54 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 21/75 variables, 9/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/75 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 83/158 variables, 69/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/158 variables, 12/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/158 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 4/162 variables, 2/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/162 variables, 4/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/162 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 11/173 variables, 10/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/173 variables, 2/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/173 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/173 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 173/173 variables, and 113 constraints, problems are : Problem set: 0 solved, 1 unsolved in 84 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 87/87 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 9/12 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/12 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 42/54 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 21/75 variables, 9/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/75 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 83/158 variables, 69/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/158 variables, 12/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/158 variables, 1/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/158 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 4/162 variables, 2/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/162 variables, 4/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/162 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 11/173 variables, 10/112 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/173 variables, 2/114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:38:49] [INFO ] Deduced a trap composed of 11 places in 27 ms of which 1 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/173 variables, 1/115 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/173 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/173 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 173/173 variables, and 115 constraints, problems are : Problem set: 0 solved, 1 unsolved in 133 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 87/87 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 226ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 24 ms.
Support contains 1 out of 87 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 87/87 places, 86/86 transitions.
Graph (complete) has 319 edges and 87 vertex of which 86 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 86 transition count 85
Free-agglomeration rule (complex) applied 3 times.
Iterating global reduction 1 with 3 rules applied. Total rules applied 5 place count 86 transition count 82
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 8 place count 83 transition count 82
Partial Free-agglomeration rule applied 4 times.
Drop transitions (Partial Free agglomeration) removed 4 transitions
Iterating global reduction 2 with 4 rules applied. Total rules applied 12 place count 83 transition count 82
Applied a total of 12 rules in 6 ms. Remains 83 /87 variables (removed 4) and now considering 82/86 (removed 4) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 83/87 places, 82/86 transitions.
RANDOM walk for 40000 steps (5720 resets) in 48 ms. (816 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40000 steps (3636 resets) in 30 ms. (1290 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1363962 steps, run timeout after 3001 ms. (steps per millisecond=454 ) properties seen :0 out of 1
Probabilistic random walk after 1363962 steps, saw 682003 distinct states, run finished after 3002 ms. (steps per millisecond=454 ) properties seen :0
// Phase 1: matrix 82 rows 83 cols
[2024-05-22 19:38:52] [INFO ] Computed 14 invariants in 4 ms
[2024-05-22 19:38:52] [INFO ] State equation strengthened by 14 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 59/60 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:38:52] [INFO ] Deduced a trap composed of 3 places in 38 ms of which 0 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/60 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/60 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 18/78 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:38:52] [INFO ] Deduced a trap composed of 4 places in 36 ms of which 1 ms to minimize.
[2024-05-22 19:38:52] [INFO ] Deduced a trap composed of 7 places in 32 ms of which 1 ms to minimize.
[2024-05-22 19:38:52] [INFO ] Deduced a trap composed of 7 places in 29 ms of which 1 ms to minimize.
[2024-05-22 19:38:52] [INFO ] Deduced a trap composed of 6 places in 30 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/78 variables, 4/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/78 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 82/160 variables, 78/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 14/109 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 5/165 variables, 5/114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/165 variables, 2/116 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/165 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/165 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 165/165 variables, and 116 constraints, problems are : Problem set: 0 solved, 1 unsolved in 273 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 83/83 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 5/5 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 59/60 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/60 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/60 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 18/78 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/78 variables, 4/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/78 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 82/160 variables, 78/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 14/109 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 1/110 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/160 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 5/165 variables, 5/115 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/165 variables, 2/117 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/165 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/165 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 165/165 variables, and 117 constraints, problems are : Problem set: 0 solved, 1 unsolved in 84 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 83/83 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 5/5 constraints]
After SMT, in 366ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 26 ms.
Support contains 1 out of 83 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 83/83 places, 82/82 transitions.
Applied a total of 0 rules in 1 ms. Remains 83 /83 variables (removed 0) and now considering 82/82 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 83/83 places, 82/82 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 83/83 places, 82/82 transitions.
Applied a total of 0 rules in 1 ms. Remains 83 /83 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2024-05-22 19:38:53] [INFO ] Invariant cache hit.
[2024-05-22 19:38:53] [INFO ] Implicit Places using invariants in 66 ms returned [25]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 67 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 82/83 places, 82/82 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 82 transition count 81
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 81 transition count 81
Applied a total of 2 rules in 3 ms. Remains 81 /82 variables (removed 1) and now considering 81/82 (removed 1) transitions.
// Phase 1: matrix 81 rows 81 cols
[2024-05-22 19:38:53] [INFO ] Computed 13 invariants in 1 ms
[2024-05-22 19:38:53] [INFO ] Implicit Places using invariants in 63 ms returned []
[2024-05-22 19:38:53] [INFO ] Invariant cache hit.
[2024-05-22 19:38:53] [INFO ] State equation strengthened by 14 read => feed constraints.
[2024-05-22 19:38:53] [INFO ] Implicit Places using invariants and state equation in 192 ms returned []
Implicit Place search using SMT with State Equation took 257 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 81/83 places, 81/82 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 328 ms. Remains : 81/83 places, 81/82 transitions.
RANDOM walk for 40000 steps (5705 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (3611 resets) in 34 ms. (1142 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1357317 steps, run timeout after 3001 ms. (steps per millisecond=452 ) properties seen :0 out of 1
Probabilistic random walk after 1357317 steps, saw 678666 distinct states, run finished after 3001 ms. (steps per millisecond=452 ) properties seen :0
[2024-05-22 19:38:56] [INFO ] Invariant cache hit.
[2024-05-22 19:38:56] [INFO ] State equation strengthened by 14 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 57/58 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 18/76 variables, 6/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:38:56] [INFO ] Deduced a trap composed of 4 places in 42 ms of which 1 ms to minimize.
[2024-05-22 19:38:56] [INFO ] Deduced a trap composed of 7 places in 36 ms of which 0 ms to minimize.
[2024-05-22 19:38:56] [INFO ] Deduced a trap composed of 7 places in 38 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/76 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/76 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 81/157 variables, 76/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/157 variables, 14/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/157 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 5/162 variables, 5/109 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/162 variables, 2/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/162 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/162 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 162/162 variables, and 111 constraints, problems are : Problem set: 0 solved, 1 unsolved in 205 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 81/81 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 57/58 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-22 19:38:56] [INFO ] Deduced a trap composed of 3 places in 32 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/58 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 18/76 variables, 6/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/76 variables, 3/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/76 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 81/157 variables, 76/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/157 variables, 14/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/157 variables, 1/106 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/157 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 5/162 variables, 5/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/162 variables, 2/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/162 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/162 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 162/162 variables, and 113 constraints, problems are : Problem set: 0 solved, 1 unsolved in 121 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 81/81 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 332ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 24 ms.
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 81/81 transitions.
Applied a total of 0 rules in 1 ms. Remains 81 /81 variables (removed 0) and now considering 81/81 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 81/81 places, 81/81 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 81/81 transitions.
Applied a total of 0 rules in 2 ms. Remains 81 /81 variables (removed 0) and now considering 81/81 (removed 0) transitions.
[2024-05-22 19:38:56] [INFO ] Invariant cache hit.
[2024-05-22 19:38:56] [INFO ] Implicit Places using invariants in 67 ms returned []
[2024-05-22 19:38:56] [INFO ] Invariant cache hit.
[2024-05-22 19:38:56] [INFO ] State equation strengthened by 14 read => feed constraints.
[2024-05-22 19:38:57] [INFO ] Implicit Places using invariants and state equation in 189 ms returned []
Implicit Place search using SMT with State Equation took 256 ms to find 0 implicit places.
[2024-05-22 19:38:57] [INFO ] Redundant transitions in 0 ms returned []
Running 80 sub problems to find dead transitions.
[2024-05-22 19:38:57] [INFO ] Invariant cache hit.
[2024-05-22 19:38:57] [INFO ] State equation strengthened by 14 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/80 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 3 (OVERLAPS) 1/81 variables, 5/13 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/81 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 5 (OVERLAPS) 81/162 variables, 81/94 constraints. Problems are: Problem set: 0 solved, 80 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/162 variables, 14/108 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/162 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 8 (OVERLAPS) 0/162 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 80 unsolved
No progress, stopping.
After SMT solving in domain Real declared 162/162 variables, and 108 constraints, problems are : Problem set: 0 solved, 80 unsolved in 1296 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 81/81 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 80/80 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 80 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/80 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 3 (OVERLAPS) 1/81 variables, 5/13 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/81 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 5 (OVERLAPS) 81/162 variables, 81/94 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/162 variables, 14/108 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/162 variables, 80/188 constraints. Problems are: Problem set: 0 solved, 80 unsolved
[2024-05-22 19:38:59] [INFO ] Deduced a trap composed of 32 places in 49 ms of which 1 ms to minimize.
[2024-05-22 19:38:59] [INFO ] Deduced a trap composed of 36 places in 49 ms of which 1 ms to minimize.
[2024-05-22 19:38:59] [INFO ] Deduced a trap composed of 36 places in 33 ms of which 1 ms to minimize.
[2024-05-22 19:38:59] [INFO ] Deduced a trap composed of 38 places in 36 ms of which 1 ms to minimize.
[2024-05-22 19:38:59] [INFO ] Deduced a trap composed of 34 places in 39 ms of which 1 ms to minimize.
[2024-05-22 19:38:59] [INFO ] Deduced a trap composed of 39 places in 39 ms of which 1 ms to minimize.
[2024-05-22 19:38:59] [INFO ] Deduced a trap composed of 40 places in 36 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/162 variables, 7/195 constraints. Problems are: Problem set: 0 solved, 80 unsolved
[2024-05-22 19:39:00] [INFO ] Deduced a trap composed of 36 places in 38 ms of which 0 ms to minimize.
[2024-05-22 19:39:00] [INFO ] Deduced a trap composed of 34 places in 32 ms of which 1 ms to minimize.
[2024-05-22 19:39:00] [INFO ] Deduced a trap composed of 40 places in 36 ms of which 0 ms to minimize.
[2024-05-22 19:39:00] [INFO ] Deduced a trap composed of 34 places in 34 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/162 variables, 4/199 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/162 variables, 0/199 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 11 (OVERLAPS) 0/162 variables, 0/199 constraints. Problems are: Problem set: 0 solved, 80 unsolved
No progress, stopping.
After SMT solving in domain Int declared 162/162 variables, and 199 constraints, problems are : Problem set: 0 solved, 80 unsolved in 4205 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 81/81 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 80/80 constraints, Known Traps: 11/11 constraints]
After SMT, in 5521ms problems are : Problem set: 0 solved, 80 unsolved
Search for dead transitions found 0 dead transitions in 5524ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5788 ms. Remains : 81/81 places, 81/81 transitions.
Attempting over-approximation, by ignoring read arcs.
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 6 Pre rules applied. Total rules applied 0 place count 81 transition count 75
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 75 transition count 75
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 15 place count 72 transition count 72
Iterating global reduction 0 with 3 rules applied. Total rules applied 18 place count 72 transition count 72
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 20 place count 71 transition count 71
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 21 place count 71 transition count 70
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 22 place count 70 transition count 70
Applied a total of 22 rules in 7 ms. Remains 70 /81 variables (removed 11) and now considering 70/81 (removed 11) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 70 rows 70 cols
[2024-05-22 19:39:02] [INFO ] Computed 13 invariants in 1 ms
[2024-05-22 19:39:02] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2024-05-22 19:39:02] [INFO ] [Real]Absence check using 5 positive and 8 generalized place invariants in 1 ms returned sat
[2024-05-22 19:39:02] [INFO ] After 23ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-22 19:39:02] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-05-22 19:39:02] [INFO ] After 3ms SMT Verify possible using 1 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-22 19:39:02] [INFO ] After 62ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-22 19:39:02] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2024-05-22 19:39:02] [INFO ] [Nat]Absence check using 5 positive and 8 generalized place invariants in 1 ms returned sat
[2024-05-22 19:39:02] [INFO ] After 20ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-22 19:39:02] [INFO ] After 3ms SMT Verify possible using 1 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-22 19:39:02] [INFO ] Deduced a trap composed of 5 places in 34 ms of which 0 ms to minimize.
[2024-05-22 19:39:02] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 42 ms
TRAPS : Iteration 1
[2024-05-22 19:39:02] [INFO ] After 55ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-22 19:39:02] [INFO ] After 120ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 193 ms.
Attempting over-approximation, by ignoring read arcs.
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 6 Pre rules applied. Total rules applied 0 place count 87 transition count 80
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 81 transition count 80
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 14 place count 79 transition count 78
Iterating global reduction 0 with 2 rules applied. Total rules applied 16 place count 79 transition count 78
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 18 place count 78 transition count 77
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 19 place count 78 transition count 76
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 20 place count 77 transition count 76
Applied a total of 20 rules in 6 ms. Remains 77 /87 variables (removed 10) and now considering 76/86 (removed 10) transitions.
Running SMT prover for 6 properties.
// Phase 1: matrix 76 rows 77 cols
[2024-05-22 19:39:02] [INFO ] Computed 14 invariants in 2 ms
[2024-05-22 19:39:02] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-22 19:39:02] [INFO ] [Real]Absence check using 2 positive and 12 generalized place invariants in 5 ms returned sat
[2024-05-22 19:39:02] [INFO ] After 43ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:5
[2024-05-22 19:39:02] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-05-22 19:39:02] [INFO ] After 4ms SMT Verify possible using 1 Read/Feed constraints in real domain returned unsat :0 sat :0 real:6
[2024-05-22 19:39:02] [INFO ] After 104ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:6
[2024-05-22 19:39:03] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-05-22 19:39:03] [INFO ] [Nat]Absence check using 2 positive and 12 generalized place invariants in 3 ms returned sat
[2024-05-22 19:39:03] [INFO ] After 60ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :6
[2024-05-22 19:39:03] [INFO ] After 22ms SMT Verify possible using 1 Read/Feed constraints in natural domain returned unsat :0 sat :6
TRAPS : Iteration 0
[2024-05-22 19:39:03] [INFO ] Deduced a trap composed of 10 places in 27 ms of which 0 ms to minimize.
[2024-05-22 19:39:03] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 33 ms
[2024-05-22 19:39:03] [INFO ] Deduced a trap composed of 11 places in 24 ms of which 0 ms to minimize.
[2024-05-22 19:39:03] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 32 ms
TRAPS : Iteration 1
[2024-05-22 19:39:03] [INFO ] After 173ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :6
[2024-05-22 19:39:03] [INFO ] After 316ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :6
Over-approximation ignoring read arcs solved 0 properties in 431 ms.
Unable to solve all queries for examination QuasiLiveness. Remains :6 assertions to prove.
No /home/mcc/execution/QuasiLiveness.xml examination file found. Proceeding without properties.
Parsed 6 properties from file /home/mcc/execution/QuasiLiveness.xml in 1 ms.
Working with output stream class java.io.PrintStream
Total runtime 485934 ms.
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running DoubleExponent-PT-004

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 216
TRANSITIONS: 198
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.004s, Sys 0.000s]


SAVING FILE /home/mcc/execution/model (.net / .def) ...
EXPORT TIME: [User 0.000s, Sys 0.000s]


----------------------------------------------------------------------
GreatSPN/Meddly.
Copyright (C) 1987-2022, University of Torino, Italy.
website: https://github.com/greatspn/SOURCES

Based on MEDDLY version 0.16.0
Copyright (C) 2009, Iowa State University Research Foundation, Inc.
website: http://meddly.sourceforge.net

Process ID: 1751
MODEL NAME: /home/mcc/execution/model
216 places, 198 transitions.
Enabling coverability test.

Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Building monolithic NSF...
Building monolithic NSF...
Building monolithic NSF...
Start RS construction.
Start RS construction.
Start RS construction.
Building monolithic NSF...
Start RS construction.
Convergence in 55 steps.
Creating all event NSFs..
Convergence in 55 steps.
Creating all event NSFs..
Convergence in 55 steps.
Building monolithic NSF...
Creating all event NSFs..
Convergence in 55 steps.
Creating all event NSFs..
Start RS construction.
Building monolithic NSF...
Building monolithic NSF...
Start RS construction.
Start RS construction.
Building monolithic NSF...
Start RS construction.
Convergence in 130 steps.
Creating all event NSFs..
Building monolithic NSF...
Start RS construction.
Convergence in 130 steps.
Creating all event NSFs..
Convergence in 130 steps.
Creating all event NSFs..
Building monolithic NSF...
Start RS construction.
Building monolithic NSF...
Start RS construction.
Convergence in 130 steps.
Creating all event NSFs..
Building monolithic NSF...
Start RS construction.
Convergence in 246 steps.
Creating all event NSFs..
Building monolithic NSF...
Start RS construction.
Convergence in 246 steps.
Creating all event NSFs..
Building monolithic NSF...
Start RS construction.
Convergence in 246 steps.
Creating all event NSFs..
Building monolithic NSF...
Start RS construction.
Convergence in 246 steps.
Creating all event NSFs..
Building monolithic NSF...
Start RS construction.
Convergence in 682 steps.
Creating all event NSFs..
Building monolithic NSF...
Start RS construction.
Convergence in 682 steps.
Creating all event NSFs..
Building monolithic NSF...
Start RS construction.
Convergence in 682 steps.
Creating all event NSFs..
Building monolithic NSF...
Start RS construction.
Convergence in 682 steps.
Creating all event NSFs..
Building monolithic NSF...
Start RS construction.
Convergence in 1149 steps.
Creating all event NSFs..
Building monolithic NSF...
Start RS construction.
Convergence in 1149 steps.
Creating all event NSFs..
Building monolithic NSF...
Start RS construction.
Convergence in 1149 steps.
Creating all event NSFs..
Building monolithic NSF...
Start RS construction.
Convergence in 2257 steps.
Creating all event NSFs..
Building monolithic NSF...
Start RS construction.
Convergence in 2257 steps.
Creating all event NSFs..
Building monolithic NSF...
Start RS construction.
Convergence in 1149 steps.
Creating all event NSFs..
Building monolithic NSF...
Start RS construction.
Convergence in 4348 steps.
Creating all event NSFs..
Building monolithic NSF...
Start RS construction.
Convergence in 4348 steps.
Creating all event NSFs..
Building monolithic NSF...
Start RS construction.
Convergence in 2257 steps.
Creating all event NSFs..
Building monolithic NSF...
Start RS construction.
Convergence in 2257 steps.
Creating all event NSFs..
Building monolithic NSF...
Start RS construction.
CANNOT_COMPUTE
EXITCODE: 87
----------------------------------------------------------------------

BK_STOP 1716406941793

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
++ perl -pe 's/.*\.//g'
+ 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
MEDDLY ERROR: Insufficient memory

MEDDLY ERROR: Insufficient memory

Error in allocating array of size 4194304 at unique_table.cc, line 313
MEDDLY ERROR: Insufficient memory

MEDDLY ERROR: Insufficient memory

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="DoubleExponent-PT-004"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="greatspnxred"
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 2-5568"
echo " Executing tool greatspnxred"
echo " Input is DoubleExponent-PT-004, 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 r144-tall-171631144000342"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DoubleExponent-PT-004.tgz
mv DoubleExponent-PT-004 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.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property QuasiLiveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -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 ;